Commit | Line | Data |
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79e53945 JB |
1 | /* |
2 | * Copyright © 2006-2007 Intel Corporation | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the next | |
12 | * paragraph) shall be included in all copies or substantial portions of the | |
13 | * Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | * | |
23 | * Authors: | |
24 | * Eric Anholt <eric@anholt.net> | |
25 | */ | |
26 | ||
618563e3 | 27 | #include <linux/dmi.h> |
c1c7af60 JB |
28 | #include <linux/module.h> |
29 | #include <linux/input.h> | |
79e53945 | 30 | #include <linux/i2c.h> |
7662c8bd | 31 | #include <linux/kernel.h> |
5a0e3ad6 | 32 | #include <linux/slab.h> |
9cce37f4 | 33 | #include <linux/vgaarb.h> |
e0dac65e | 34 | #include <drm/drm_edid.h> |
760285e7 | 35 | #include <drm/drmP.h> |
79e53945 | 36 | #include "intel_drv.h" |
760285e7 | 37 | #include <drm/i915_drm.h> |
79e53945 | 38 | #include "i915_drv.h" |
e5510fac | 39 | #include "i915_trace.h" |
319c1d42 | 40 | #include <drm/drm_atomic.h> |
c196e1d6 | 41 | #include <drm/drm_atomic_helper.h> |
760285e7 DH |
42 | #include <drm/drm_dp_helper.h> |
43 | #include <drm/drm_crtc_helper.h> | |
465c120c MR |
44 | #include <drm/drm_plane_helper.h> |
45 | #include <drm/drm_rect.h> | |
c0f372b3 | 46 | #include <linux/dma_remapping.h> |
fd8e058a AG |
47 | #include <linux/reservation.h> |
48 | #include <linux/dma-buf.h> | |
79e53945 | 49 | |
465c120c | 50 | /* Primary plane formats for gen <= 3 */ |
568db4f2 | 51 | static const uint32_t i8xx_primary_formats[] = { |
67fe7dc5 DL |
52 | DRM_FORMAT_C8, |
53 | DRM_FORMAT_RGB565, | |
465c120c | 54 | DRM_FORMAT_XRGB1555, |
67fe7dc5 | 55 | DRM_FORMAT_XRGB8888, |
465c120c MR |
56 | }; |
57 | ||
58 | /* Primary plane formats for gen >= 4 */ | |
568db4f2 | 59 | static const uint32_t i965_primary_formats[] = { |
6c0fd451 DL |
60 | DRM_FORMAT_C8, |
61 | DRM_FORMAT_RGB565, | |
62 | DRM_FORMAT_XRGB8888, | |
63 | DRM_FORMAT_XBGR8888, | |
64 | DRM_FORMAT_XRGB2101010, | |
65 | DRM_FORMAT_XBGR2101010, | |
66 | }; | |
67 | ||
68 | static const uint32_t skl_primary_formats[] = { | |
67fe7dc5 DL |
69 | DRM_FORMAT_C8, |
70 | DRM_FORMAT_RGB565, | |
71 | DRM_FORMAT_XRGB8888, | |
465c120c | 72 | DRM_FORMAT_XBGR8888, |
67fe7dc5 | 73 | DRM_FORMAT_ARGB8888, |
465c120c MR |
74 | DRM_FORMAT_ABGR8888, |
75 | DRM_FORMAT_XRGB2101010, | |
465c120c | 76 | DRM_FORMAT_XBGR2101010, |
ea916ea0 KM |
77 | DRM_FORMAT_YUYV, |
78 | DRM_FORMAT_YVYU, | |
79 | DRM_FORMAT_UYVY, | |
80 | DRM_FORMAT_VYUY, | |
465c120c MR |
81 | }; |
82 | ||
3d7d6510 MR |
83 | /* Cursor formats */ |
84 | static const uint32_t intel_cursor_formats[] = { | |
85 | DRM_FORMAT_ARGB8888, | |
86 | }; | |
87 | ||
f1f644dc | 88 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 89 | struct intel_crtc_state *pipe_config); |
18442d08 | 90 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 91 | struct intel_crtc_state *pipe_config); |
f1f644dc | 92 | |
eb1bfe80 JB |
93 | static int intel_framebuffer_init(struct drm_device *dev, |
94 | struct intel_framebuffer *ifb, | |
95 | struct drm_mode_fb_cmd2 *mode_cmd, | |
96 | struct drm_i915_gem_object *obj); | |
5b18e57c DV |
97 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc); |
98 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc); | |
29407aab | 99 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, |
f769cd24 VK |
100 | struct intel_link_m_n *m_n, |
101 | struct intel_link_m_n *m2_n2); | |
29407aab | 102 | static void ironlake_set_pipeconf(struct drm_crtc *crtc); |
229fca97 DV |
103 | static void haswell_set_pipeconf(struct drm_crtc *crtc); |
104 | static void intel_set_pipe_csc(struct drm_crtc *crtc); | |
d288f65f | 105 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 106 | const struct intel_crtc_state *pipe_config); |
d288f65f | 107 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 108 | const struct intel_crtc_state *pipe_config); |
613d2b27 ML |
109 | static void intel_begin_crtc_commit(struct drm_crtc *, struct drm_crtc_state *); |
110 | static void intel_finish_crtc_commit(struct drm_crtc *, struct drm_crtc_state *); | |
549e2bfb CK |
111 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
112 | struct intel_crtc_state *crtc_state); | |
5ab7b0b7 ID |
113 | static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, |
114 | int num_connectors); | |
bfd16b2a ML |
115 | static void skylake_pfit_enable(struct intel_crtc *crtc); |
116 | static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force); | |
117 | static void ironlake_pfit_enable(struct intel_crtc *crtc); | |
043e9bda | 118 | static void intel_modeset_setup_hw_state(struct drm_device *dev); |
2622a081 | 119 | static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc); |
e7457a9a | 120 | |
79e53945 | 121 | typedef struct { |
0206e353 | 122 | int min, max; |
79e53945 JB |
123 | } intel_range_t; |
124 | ||
125 | typedef struct { | |
0206e353 AJ |
126 | int dot_limit; |
127 | int p2_slow, p2_fast; | |
79e53945 JB |
128 | } intel_p2_t; |
129 | ||
d4906093 ML |
130 | typedef struct intel_limit intel_limit_t; |
131 | struct intel_limit { | |
0206e353 AJ |
132 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
133 | intel_p2_t p2; | |
d4906093 | 134 | }; |
79e53945 | 135 | |
bfa7df01 VS |
136 | /* returns HPLL frequency in kHz */ |
137 | static int valleyview_get_vco(struct drm_i915_private *dev_priv) | |
138 | { | |
139 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; | |
140 | ||
141 | /* Obtain SKU information */ | |
142 | mutex_lock(&dev_priv->sb_lock); | |
143 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & | |
144 | CCK_FUSE_HPLL_FREQ_MASK; | |
145 | mutex_unlock(&dev_priv->sb_lock); | |
146 | ||
147 | return vco_freq[hpll_freq] * 1000; | |
148 | } | |
149 | ||
150 | static int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, | |
151 | const char *name, u32 reg) | |
152 | { | |
153 | u32 val; | |
154 | int divider; | |
155 | ||
156 | if (dev_priv->hpll_freq == 0) | |
157 | dev_priv->hpll_freq = valleyview_get_vco(dev_priv); | |
158 | ||
159 | mutex_lock(&dev_priv->sb_lock); | |
160 | val = vlv_cck_read(dev_priv, reg); | |
161 | mutex_unlock(&dev_priv->sb_lock); | |
162 | ||
163 | divider = val & CCK_FREQUENCY_VALUES; | |
164 | ||
165 | WARN((val & CCK_FREQUENCY_STATUS) != | |
166 | (divider << CCK_FREQUENCY_STATUS_SHIFT), | |
167 | "%s change in progress\n", name); | |
168 | ||
169 | return DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, divider + 1); | |
170 | } | |
171 | ||
e7dc33f3 VS |
172 | static int |
173 | intel_pch_rawclk(struct drm_i915_private *dev_priv) | |
d2acd215 | 174 | { |
e7dc33f3 VS |
175 | return (I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK) * 1000; |
176 | } | |
d2acd215 | 177 | |
e7dc33f3 VS |
178 | static int |
179 | intel_vlv_hrawclk(struct drm_i915_private *dev_priv) | |
180 | { | |
35d38d1f VS |
181 | return vlv_get_cck_clock_hpll(dev_priv, "hrawclk", |
182 | CCK_DISPLAY_REF_CLOCK_CONTROL); | |
d2acd215 DV |
183 | } |
184 | ||
e7dc33f3 VS |
185 | static int |
186 | intel_g4x_hrawclk(struct drm_i915_private *dev_priv) | |
79e50a4f | 187 | { |
79e50a4f JN |
188 | uint32_t clkcfg; |
189 | ||
e7dc33f3 | 190 | /* hrawclock is 1/4 the FSB frequency */ |
79e50a4f JN |
191 | clkcfg = I915_READ(CLKCFG); |
192 | switch (clkcfg & CLKCFG_FSB_MASK) { | |
193 | case CLKCFG_FSB_400: | |
e7dc33f3 | 194 | return 100000; |
79e50a4f | 195 | case CLKCFG_FSB_533: |
e7dc33f3 | 196 | return 133333; |
79e50a4f | 197 | case CLKCFG_FSB_667: |
e7dc33f3 | 198 | return 166667; |
79e50a4f | 199 | case CLKCFG_FSB_800: |
e7dc33f3 | 200 | return 200000; |
79e50a4f | 201 | case CLKCFG_FSB_1067: |
e7dc33f3 | 202 | return 266667; |
79e50a4f | 203 | case CLKCFG_FSB_1333: |
e7dc33f3 | 204 | return 333333; |
79e50a4f JN |
205 | /* these two are just a guess; one of them might be right */ |
206 | case CLKCFG_FSB_1600: | |
207 | case CLKCFG_FSB_1600_ALT: | |
e7dc33f3 | 208 | return 400000; |
79e50a4f | 209 | default: |
e7dc33f3 | 210 | return 133333; |
79e50a4f JN |
211 | } |
212 | } | |
213 | ||
e7dc33f3 VS |
214 | static void intel_update_rawclk(struct drm_i915_private *dev_priv) |
215 | { | |
216 | if (HAS_PCH_SPLIT(dev_priv)) | |
217 | dev_priv->rawclk_freq = intel_pch_rawclk(dev_priv); | |
218 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) | |
219 | dev_priv->rawclk_freq = intel_vlv_hrawclk(dev_priv); | |
220 | else if (IS_G4X(dev_priv) || IS_PINEVIEW(dev_priv)) | |
221 | dev_priv->rawclk_freq = intel_g4x_hrawclk(dev_priv); | |
222 | else | |
223 | return; /* no rawclk on other platforms, or no need to know it */ | |
224 | ||
225 | DRM_DEBUG_DRIVER("rawclk rate: %d kHz\n", dev_priv->rawclk_freq); | |
226 | } | |
227 | ||
bfa7df01 VS |
228 | static void intel_update_czclk(struct drm_i915_private *dev_priv) |
229 | { | |
666a4537 | 230 | if (!(IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))) |
bfa7df01 VS |
231 | return; |
232 | ||
233 | dev_priv->czclk_freq = vlv_get_cck_clock_hpll(dev_priv, "czclk", | |
234 | CCK_CZ_CLOCK_CONTROL); | |
235 | ||
236 | DRM_DEBUG_DRIVER("CZ clock rate: %d kHz\n", dev_priv->czclk_freq); | |
237 | } | |
238 | ||
021357ac | 239 | static inline u32 /* units of 100MHz */ |
21a727b3 VS |
240 | intel_fdi_link_freq(struct drm_i915_private *dev_priv, |
241 | const struct intel_crtc_state *pipe_config) | |
021357ac | 242 | { |
21a727b3 VS |
243 | if (HAS_DDI(dev_priv)) |
244 | return pipe_config->port_clock; /* SPLL */ | |
245 | else if (IS_GEN5(dev_priv)) | |
246 | return ((I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2) * 10000; | |
e3b247da | 247 | else |
21a727b3 | 248 | return 270000; |
021357ac CW |
249 | } |
250 | ||
5d536e28 | 251 | static const intel_limit_t intel_limits_i8xx_dac = { |
0206e353 | 252 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 253 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 254 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
255 | .m = { .min = 96, .max = 140 }, |
256 | .m1 = { .min = 18, .max = 26 }, | |
257 | .m2 = { .min = 6, .max = 16 }, | |
258 | .p = { .min = 4, .max = 128 }, | |
259 | .p1 = { .min = 2, .max = 33 }, | |
273e27ca EA |
260 | .p2 = { .dot_limit = 165000, |
261 | .p2_slow = 4, .p2_fast = 2 }, | |
e4b36699 KP |
262 | }; |
263 | ||
5d536e28 DV |
264 | static const intel_limit_t intel_limits_i8xx_dvo = { |
265 | .dot = { .min = 25000, .max = 350000 }, | |
9c333719 | 266 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 267 | .n = { .min = 2, .max = 16 }, |
5d536e28 DV |
268 | .m = { .min = 96, .max = 140 }, |
269 | .m1 = { .min = 18, .max = 26 }, | |
270 | .m2 = { .min = 6, .max = 16 }, | |
271 | .p = { .min = 4, .max = 128 }, | |
272 | .p1 = { .min = 2, .max = 33 }, | |
273 | .p2 = { .dot_limit = 165000, | |
274 | .p2_slow = 4, .p2_fast = 4 }, | |
275 | }; | |
276 | ||
e4b36699 | 277 | static const intel_limit_t intel_limits_i8xx_lvds = { |
0206e353 | 278 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 279 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 280 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
281 | .m = { .min = 96, .max = 140 }, |
282 | .m1 = { .min = 18, .max = 26 }, | |
283 | .m2 = { .min = 6, .max = 16 }, | |
284 | .p = { .min = 4, .max = 128 }, | |
285 | .p1 = { .min = 1, .max = 6 }, | |
273e27ca EA |
286 | .p2 = { .dot_limit = 165000, |
287 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 | 288 | }; |
273e27ca | 289 | |
e4b36699 | 290 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
0206e353 AJ |
291 | .dot = { .min = 20000, .max = 400000 }, |
292 | .vco = { .min = 1400000, .max = 2800000 }, | |
293 | .n = { .min = 1, .max = 6 }, | |
294 | .m = { .min = 70, .max = 120 }, | |
4f7dfb67 PJ |
295 | .m1 = { .min = 8, .max = 18 }, |
296 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
297 | .p = { .min = 5, .max = 80 }, |
298 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
299 | .p2 = { .dot_limit = 200000, |
300 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
301 | }; |
302 | ||
303 | static const intel_limit_t intel_limits_i9xx_lvds = { | |
0206e353 AJ |
304 | .dot = { .min = 20000, .max = 400000 }, |
305 | .vco = { .min = 1400000, .max = 2800000 }, | |
306 | .n = { .min = 1, .max = 6 }, | |
307 | .m = { .min = 70, .max = 120 }, | |
53a7d2d1 PJ |
308 | .m1 = { .min = 8, .max = 18 }, |
309 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
310 | .p = { .min = 7, .max = 98 }, |
311 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
312 | .p2 = { .dot_limit = 112000, |
313 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 KP |
314 | }; |
315 | ||
273e27ca | 316 | |
e4b36699 | 317 | static const intel_limit_t intel_limits_g4x_sdvo = { |
273e27ca EA |
318 | .dot = { .min = 25000, .max = 270000 }, |
319 | .vco = { .min = 1750000, .max = 3500000}, | |
320 | .n = { .min = 1, .max = 4 }, | |
321 | .m = { .min = 104, .max = 138 }, | |
322 | .m1 = { .min = 17, .max = 23 }, | |
323 | .m2 = { .min = 5, .max = 11 }, | |
324 | .p = { .min = 10, .max = 30 }, | |
325 | .p1 = { .min = 1, .max = 3}, | |
326 | .p2 = { .dot_limit = 270000, | |
327 | .p2_slow = 10, | |
328 | .p2_fast = 10 | |
044c7c41 | 329 | }, |
e4b36699 KP |
330 | }; |
331 | ||
332 | static const intel_limit_t intel_limits_g4x_hdmi = { | |
273e27ca EA |
333 | .dot = { .min = 22000, .max = 400000 }, |
334 | .vco = { .min = 1750000, .max = 3500000}, | |
335 | .n = { .min = 1, .max = 4 }, | |
336 | .m = { .min = 104, .max = 138 }, | |
337 | .m1 = { .min = 16, .max = 23 }, | |
338 | .m2 = { .min = 5, .max = 11 }, | |
339 | .p = { .min = 5, .max = 80 }, | |
340 | .p1 = { .min = 1, .max = 8}, | |
341 | .p2 = { .dot_limit = 165000, | |
342 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
343 | }; |
344 | ||
345 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { | |
273e27ca EA |
346 | .dot = { .min = 20000, .max = 115000 }, |
347 | .vco = { .min = 1750000, .max = 3500000 }, | |
348 | .n = { .min = 1, .max = 3 }, | |
349 | .m = { .min = 104, .max = 138 }, | |
350 | .m1 = { .min = 17, .max = 23 }, | |
351 | .m2 = { .min = 5, .max = 11 }, | |
352 | .p = { .min = 28, .max = 112 }, | |
353 | .p1 = { .min = 2, .max = 8 }, | |
354 | .p2 = { .dot_limit = 0, | |
355 | .p2_slow = 14, .p2_fast = 14 | |
044c7c41 | 356 | }, |
e4b36699 KP |
357 | }; |
358 | ||
359 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { | |
273e27ca EA |
360 | .dot = { .min = 80000, .max = 224000 }, |
361 | .vco = { .min = 1750000, .max = 3500000 }, | |
362 | .n = { .min = 1, .max = 3 }, | |
363 | .m = { .min = 104, .max = 138 }, | |
364 | .m1 = { .min = 17, .max = 23 }, | |
365 | .m2 = { .min = 5, .max = 11 }, | |
366 | .p = { .min = 14, .max = 42 }, | |
367 | .p1 = { .min = 2, .max = 6 }, | |
368 | .p2 = { .dot_limit = 0, | |
369 | .p2_slow = 7, .p2_fast = 7 | |
044c7c41 | 370 | }, |
e4b36699 KP |
371 | }; |
372 | ||
f2b115e6 | 373 | static const intel_limit_t intel_limits_pineview_sdvo = { |
0206e353 AJ |
374 | .dot = { .min = 20000, .max = 400000}, |
375 | .vco = { .min = 1700000, .max = 3500000 }, | |
273e27ca | 376 | /* Pineview's Ncounter is a ring counter */ |
0206e353 AJ |
377 | .n = { .min = 3, .max = 6 }, |
378 | .m = { .min = 2, .max = 256 }, | |
273e27ca | 379 | /* Pineview only has one combined m divider, which we treat as m2. */ |
0206e353 AJ |
380 | .m1 = { .min = 0, .max = 0 }, |
381 | .m2 = { .min = 0, .max = 254 }, | |
382 | .p = { .min = 5, .max = 80 }, | |
383 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
384 | .p2 = { .dot_limit = 200000, |
385 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
386 | }; |
387 | ||
f2b115e6 | 388 | static const intel_limit_t intel_limits_pineview_lvds = { |
0206e353 AJ |
389 | .dot = { .min = 20000, .max = 400000 }, |
390 | .vco = { .min = 1700000, .max = 3500000 }, | |
391 | .n = { .min = 3, .max = 6 }, | |
392 | .m = { .min = 2, .max = 256 }, | |
393 | .m1 = { .min = 0, .max = 0 }, | |
394 | .m2 = { .min = 0, .max = 254 }, | |
395 | .p = { .min = 7, .max = 112 }, | |
396 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
397 | .p2 = { .dot_limit = 112000, |
398 | .p2_slow = 14, .p2_fast = 14 }, | |
e4b36699 KP |
399 | }; |
400 | ||
273e27ca EA |
401 | /* Ironlake / Sandybridge |
402 | * | |
403 | * We calculate clock using (register_value + 2) for N/M1/M2, so here | |
404 | * the range value for them is (actual_value - 2). | |
405 | */ | |
b91ad0ec | 406 | static const intel_limit_t intel_limits_ironlake_dac = { |
273e27ca EA |
407 | .dot = { .min = 25000, .max = 350000 }, |
408 | .vco = { .min = 1760000, .max = 3510000 }, | |
409 | .n = { .min = 1, .max = 5 }, | |
410 | .m = { .min = 79, .max = 127 }, | |
411 | .m1 = { .min = 12, .max = 22 }, | |
412 | .m2 = { .min = 5, .max = 9 }, | |
413 | .p = { .min = 5, .max = 80 }, | |
414 | .p1 = { .min = 1, .max = 8 }, | |
415 | .p2 = { .dot_limit = 225000, | |
416 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
417 | }; |
418 | ||
b91ad0ec | 419 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
273e27ca EA |
420 | .dot = { .min = 25000, .max = 350000 }, |
421 | .vco = { .min = 1760000, .max = 3510000 }, | |
422 | .n = { .min = 1, .max = 3 }, | |
423 | .m = { .min = 79, .max = 118 }, | |
424 | .m1 = { .min = 12, .max = 22 }, | |
425 | .m2 = { .min = 5, .max = 9 }, | |
426 | .p = { .min = 28, .max = 112 }, | |
427 | .p1 = { .min = 2, .max = 8 }, | |
428 | .p2 = { .dot_limit = 225000, | |
429 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
430 | }; |
431 | ||
432 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { | |
273e27ca EA |
433 | .dot = { .min = 25000, .max = 350000 }, |
434 | .vco = { .min = 1760000, .max = 3510000 }, | |
435 | .n = { .min = 1, .max = 3 }, | |
436 | .m = { .min = 79, .max = 127 }, | |
437 | .m1 = { .min = 12, .max = 22 }, | |
438 | .m2 = { .min = 5, .max = 9 }, | |
439 | .p = { .min = 14, .max = 56 }, | |
440 | .p1 = { .min = 2, .max = 8 }, | |
441 | .p2 = { .dot_limit = 225000, | |
442 | .p2_slow = 7, .p2_fast = 7 }, | |
b91ad0ec ZW |
443 | }; |
444 | ||
273e27ca | 445 | /* LVDS 100mhz refclk limits. */ |
b91ad0ec | 446 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
273e27ca EA |
447 | .dot = { .min = 25000, .max = 350000 }, |
448 | .vco = { .min = 1760000, .max = 3510000 }, | |
449 | .n = { .min = 1, .max = 2 }, | |
450 | .m = { .min = 79, .max = 126 }, | |
451 | .m1 = { .min = 12, .max = 22 }, | |
452 | .m2 = { .min = 5, .max = 9 }, | |
453 | .p = { .min = 28, .max = 112 }, | |
0206e353 | 454 | .p1 = { .min = 2, .max = 8 }, |
273e27ca EA |
455 | .p2 = { .dot_limit = 225000, |
456 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
457 | }; |
458 | ||
459 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { | |
273e27ca EA |
460 | .dot = { .min = 25000, .max = 350000 }, |
461 | .vco = { .min = 1760000, .max = 3510000 }, | |
462 | .n = { .min = 1, .max = 3 }, | |
463 | .m = { .min = 79, .max = 126 }, | |
464 | .m1 = { .min = 12, .max = 22 }, | |
465 | .m2 = { .min = 5, .max = 9 }, | |
466 | .p = { .min = 14, .max = 42 }, | |
0206e353 | 467 | .p1 = { .min = 2, .max = 6 }, |
273e27ca EA |
468 | .p2 = { .dot_limit = 225000, |
469 | .p2_slow = 7, .p2_fast = 7 }, | |
4547668a ZY |
470 | }; |
471 | ||
dc730512 | 472 | static const intel_limit_t intel_limits_vlv = { |
f01b7962 VS |
473 | /* |
474 | * These are the data rate limits (measured in fast clocks) | |
475 | * since those are the strictest limits we have. The fast | |
476 | * clock and actual rate limits are more relaxed, so checking | |
477 | * them would make no difference. | |
478 | */ | |
479 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, | |
75e53986 | 480 | .vco = { .min = 4000000, .max = 6000000 }, |
a0c4da24 | 481 | .n = { .min = 1, .max = 7 }, |
a0c4da24 JB |
482 | .m1 = { .min = 2, .max = 3 }, |
483 | .m2 = { .min = 11, .max = 156 }, | |
b99ab663 | 484 | .p1 = { .min = 2, .max = 3 }, |
5fdc9c49 | 485 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
a0c4da24 JB |
486 | }; |
487 | ||
ef9348c8 CML |
488 | static const intel_limit_t intel_limits_chv = { |
489 | /* | |
490 | * These are the data rate limits (measured in fast clocks) | |
491 | * since those are the strictest limits we have. The fast | |
492 | * clock and actual rate limits are more relaxed, so checking | |
493 | * them would make no difference. | |
494 | */ | |
495 | .dot = { .min = 25000 * 5, .max = 540000 * 5}, | |
17fe1021 | 496 | .vco = { .min = 4800000, .max = 6480000 }, |
ef9348c8 CML |
497 | .n = { .min = 1, .max = 1 }, |
498 | .m1 = { .min = 2, .max = 2 }, | |
499 | .m2 = { .min = 24 << 22, .max = 175 << 22 }, | |
500 | .p1 = { .min = 2, .max = 4 }, | |
501 | .p2 = { .p2_slow = 1, .p2_fast = 14 }, | |
502 | }; | |
503 | ||
5ab7b0b7 ID |
504 | static const intel_limit_t intel_limits_bxt = { |
505 | /* FIXME: find real dot limits */ | |
506 | .dot = { .min = 0, .max = INT_MAX }, | |
e6292556 | 507 | .vco = { .min = 4800000, .max = 6700000 }, |
5ab7b0b7 ID |
508 | .n = { .min = 1, .max = 1 }, |
509 | .m1 = { .min = 2, .max = 2 }, | |
510 | /* FIXME: find real m2 limits */ | |
511 | .m2 = { .min = 2 << 22, .max = 255 << 22 }, | |
512 | .p1 = { .min = 2, .max = 4 }, | |
513 | .p2 = { .p2_slow = 1, .p2_fast = 20 }, | |
514 | }; | |
515 | ||
cdba954e ACO |
516 | static bool |
517 | needs_modeset(struct drm_crtc_state *state) | |
518 | { | |
fc596660 | 519 | return drm_atomic_crtc_needs_modeset(state); |
cdba954e ACO |
520 | } |
521 | ||
e0638cdf PZ |
522 | /** |
523 | * Returns whether any output on the specified pipe is of the specified type | |
524 | */ | |
4093561b | 525 | bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type) |
e0638cdf | 526 | { |
409ee761 | 527 | struct drm_device *dev = crtc->base.dev; |
e0638cdf PZ |
528 | struct intel_encoder *encoder; |
529 | ||
409ee761 | 530 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
e0638cdf PZ |
531 | if (encoder->type == type) |
532 | return true; | |
533 | ||
534 | return false; | |
535 | } | |
536 | ||
d0737e1d ACO |
537 | /** |
538 | * Returns whether any output on the specified pipe will have the specified | |
539 | * type after a staged modeset is complete, i.e., the same as | |
540 | * intel_pipe_has_type() but looking at encoder->new_crtc instead of | |
541 | * encoder->crtc. | |
542 | */ | |
a93e255f ACO |
543 | static bool intel_pipe_will_have_type(const struct intel_crtc_state *crtc_state, |
544 | int type) | |
d0737e1d | 545 | { |
a93e255f | 546 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 547 | struct drm_connector *connector; |
a93e255f | 548 | struct drm_connector_state *connector_state; |
d0737e1d | 549 | struct intel_encoder *encoder; |
a93e255f ACO |
550 | int i, num_connectors = 0; |
551 | ||
da3ced29 | 552 | for_each_connector_in_state(state, connector, connector_state, i) { |
a93e255f ACO |
553 | if (connector_state->crtc != crtc_state->base.crtc) |
554 | continue; | |
555 | ||
556 | num_connectors++; | |
d0737e1d | 557 | |
a93e255f ACO |
558 | encoder = to_intel_encoder(connector_state->best_encoder); |
559 | if (encoder->type == type) | |
d0737e1d | 560 | return true; |
a93e255f ACO |
561 | } |
562 | ||
563 | WARN_ON(num_connectors == 0); | |
d0737e1d ACO |
564 | |
565 | return false; | |
566 | } | |
567 | ||
a93e255f ACO |
568 | static const intel_limit_t * |
569 | intel_ironlake_limit(struct intel_crtc_state *crtc_state, int refclk) | |
2c07245f | 570 | { |
a93e255f | 571 | struct drm_device *dev = crtc_state->base.crtc->dev; |
2c07245f | 572 | const intel_limit_t *limit; |
b91ad0ec | 573 | |
a93e255f | 574 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 575 | if (intel_is_dual_link_lvds(dev)) { |
1b894b59 | 576 | if (refclk == 100000) |
b91ad0ec ZW |
577 | limit = &intel_limits_ironlake_dual_lvds_100m; |
578 | else | |
579 | limit = &intel_limits_ironlake_dual_lvds; | |
580 | } else { | |
1b894b59 | 581 | if (refclk == 100000) |
b91ad0ec ZW |
582 | limit = &intel_limits_ironlake_single_lvds_100m; |
583 | else | |
584 | limit = &intel_limits_ironlake_single_lvds; | |
585 | } | |
c6bb3538 | 586 | } else |
b91ad0ec | 587 | limit = &intel_limits_ironlake_dac; |
2c07245f ZW |
588 | |
589 | return limit; | |
590 | } | |
591 | ||
a93e255f ACO |
592 | static const intel_limit_t * |
593 | intel_g4x_limit(struct intel_crtc_state *crtc_state) | |
044c7c41 | 594 | { |
a93e255f | 595 | struct drm_device *dev = crtc_state->base.crtc->dev; |
044c7c41 ML |
596 | const intel_limit_t *limit; |
597 | ||
a93e255f | 598 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 599 | if (intel_is_dual_link_lvds(dev)) |
e4b36699 | 600 | limit = &intel_limits_g4x_dual_channel_lvds; |
044c7c41 | 601 | else |
e4b36699 | 602 | limit = &intel_limits_g4x_single_channel_lvds; |
a93e255f ACO |
603 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI) || |
604 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_ANALOG)) { | |
e4b36699 | 605 | limit = &intel_limits_g4x_hdmi; |
a93e255f | 606 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO)) { |
e4b36699 | 607 | limit = &intel_limits_g4x_sdvo; |
044c7c41 | 608 | } else /* The option is for other outputs */ |
e4b36699 | 609 | limit = &intel_limits_i9xx_sdvo; |
044c7c41 ML |
610 | |
611 | return limit; | |
612 | } | |
613 | ||
a93e255f ACO |
614 | static const intel_limit_t * |
615 | intel_limit(struct intel_crtc_state *crtc_state, int refclk) | |
79e53945 | 616 | { |
a93e255f | 617 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 JB |
618 | const intel_limit_t *limit; |
619 | ||
5ab7b0b7 ID |
620 | if (IS_BROXTON(dev)) |
621 | limit = &intel_limits_bxt; | |
622 | else if (HAS_PCH_SPLIT(dev)) | |
a93e255f | 623 | limit = intel_ironlake_limit(crtc_state, refclk); |
2c07245f | 624 | else if (IS_G4X(dev)) { |
a93e255f | 625 | limit = intel_g4x_limit(crtc_state); |
f2b115e6 | 626 | } else if (IS_PINEVIEW(dev)) { |
a93e255f | 627 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
f2b115e6 | 628 | limit = &intel_limits_pineview_lvds; |
2177832f | 629 | else |
f2b115e6 | 630 | limit = &intel_limits_pineview_sdvo; |
ef9348c8 CML |
631 | } else if (IS_CHERRYVIEW(dev)) { |
632 | limit = &intel_limits_chv; | |
a0c4da24 | 633 | } else if (IS_VALLEYVIEW(dev)) { |
dc730512 | 634 | limit = &intel_limits_vlv; |
a6c45cf0 | 635 | } else if (!IS_GEN2(dev)) { |
a93e255f | 636 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
a6c45cf0 CW |
637 | limit = &intel_limits_i9xx_lvds; |
638 | else | |
639 | limit = &intel_limits_i9xx_sdvo; | |
79e53945 | 640 | } else { |
a93e255f | 641 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
e4b36699 | 642 | limit = &intel_limits_i8xx_lvds; |
a93e255f | 643 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
e4b36699 | 644 | limit = &intel_limits_i8xx_dvo; |
5d536e28 DV |
645 | else |
646 | limit = &intel_limits_i8xx_dac; | |
79e53945 JB |
647 | } |
648 | return limit; | |
649 | } | |
650 | ||
dccbea3b ID |
651 | /* |
652 | * Platform specific helpers to calculate the port PLL loopback- (clock.m), | |
653 | * and post-divider (clock.p) values, pre- (clock.vco) and post-divided fast | |
654 | * (clock.dot) clock rates. This fast dot clock is fed to the port's IO logic. | |
655 | * The helpers' return value is the rate of the clock that is fed to the | |
656 | * display engine's pipe which can be the above fast dot clock rate or a | |
657 | * divided-down version of it. | |
658 | */ | |
f2b115e6 | 659 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
dccbea3b | 660 | static int pnv_calc_dpll_params(int refclk, intel_clock_t *clock) |
79e53945 | 661 | { |
2177832f SL |
662 | clock->m = clock->m2 + 2; |
663 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e | 664 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
dccbea3b | 665 | return 0; |
fb03ac01 VS |
666 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
667 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
668 | |
669 | return clock->dot; | |
2177832f SL |
670 | } |
671 | ||
7429e9d4 DV |
672 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
673 | { | |
674 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); | |
675 | } | |
676 | ||
dccbea3b | 677 | static int i9xx_calc_dpll_params(int refclk, intel_clock_t *clock) |
2177832f | 678 | { |
7429e9d4 | 679 | clock->m = i9xx_dpll_compute_m(clock); |
79e53945 | 680 | clock->p = clock->p1 * clock->p2; |
ed5ca77e | 681 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
dccbea3b | 682 | return 0; |
fb03ac01 VS |
683 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
684 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
685 | |
686 | return clock->dot; | |
79e53945 JB |
687 | } |
688 | ||
dccbea3b | 689 | static int vlv_calc_dpll_params(int refclk, intel_clock_t *clock) |
589eca67 ID |
690 | { |
691 | clock->m = clock->m1 * clock->m2; | |
692 | clock->p = clock->p1 * clock->p2; | |
693 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
dccbea3b | 694 | return 0; |
589eca67 ID |
695 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
696 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
697 | |
698 | return clock->dot / 5; | |
589eca67 ID |
699 | } |
700 | ||
dccbea3b | 701 | int chv_calc_dpll_params(int refclk, intel_clock_t *clock) |
ef9348c8 CML |
702 | { |
703 | clock->m = clock->m1 * clock->m2; | |
704 | clock->p = clock->p1 * clock->p2; | |
705 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
dccbea3b | 706 | return 0; |
ef9348c8 CML |
707 | clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m, |
708 | clock->n << 22); | |
709 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
710 | |
711 | return clock->dot / 5; | |
ef9348c8 CML |
712 | } |
713 | ||
7c04d1d9 | 714 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
715 | /** |
716 | * Returns whether the given set of divisors are valid for a given refclk with | |
717 | * the given connectors. | |
718 | */ | |
719 | ||
1b894b59 CW |
720 | static bool intel_PLL_is_valid(struct drm_device *dev, |
721 | const intel_limit_t *limit, | |
722 | const intel_clock_t *clock) | |
79e53945 | 723 | { |
f01b7962 VS |
724 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
725 | INTELPllInvalid("n out of range\n"); | |
79e53945 | 726 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
0206e353 | 727 | INTELPllInvalid("p1 out of range\n"); |
79e53945 | 728 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
0206e353 | 729 | INTELPllInvalid("m2 out of range\n"); |
79e53945 | 730 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
0206e353 | 731 | INTELPllInvalid("m1 out of range\n"); |
f01b7962 | 732 | |
666a4537 WB |
733 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev) && |
734 | !IS_CHERRYVIEW(dev) && !IS_BROXTON(dev)) | |
f01b7962 VS |
735 | if (clock->m1 <= clock->m2) |
736 | INTELPllInvalid("m1 <= m2\n"); | |
737 | ||
666a4537 | 738 | if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) && !IS_BROXTON(dev)) { |
f01b7962 VS |
739 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
740 | INTELPllInvalid("p out of range\n"); | |
741 | if (clock->m < limit->m.min || limit->m.max < clock->m) | |
742 | INTELPllInvalid("m out of range\n"); | |
743 | } | |
744 | ||
79e53945 | 745 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
0206e353 | 746 | INTELPllInvalid("vco out of range\n"); |
79e53945 JB |
747 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
748 | * connector, etc., rather than just a single range. | |
749 | */ | |
750 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
0206e353 | 751 | INTELPllInvalid("dot out of range\n"); |
79e53945 JB |
752 | |
753 | return true; | |
754 | } | |
755 | ||
3b1429d9 VS |
756 | static int |
757 | i9xx_select_p2_div(const intel_limit_t *limit, | |
758 | const struct intel_crtc_state *crtc_state, | |
759 | int target) | |
79e53945 | 760 | { |
3b1429d9 | 761 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 | 762 | |
a93e255f | 763 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
79e53945 | 764 | /* |
a210b028 DV |
765 | * For LVDS just rely on its current settings for dual-channel. |
766 | * We haven't figured out how to reliably set up different | |
767 | * single/dual channel state, if we even can. | |
79e53945 | 768 | */ |
1974cad0 | 769 | if (intel_is_dual_link_lvds(dev)) |
3b1429d9 | 770 | return limit->p2.p2_fast; |
79e53945 | 771 | else |
3b1429d9 | 772 | return limit->p2.p2_slow; |
79e53945 JB |
773 | } else { |
774 | if (target < limit->p2.dot_limit) | |
3b1429d9 | 775 | return limit->p2.p2_slow; |
79e53945 | 776 | else |
3b1429d9 | 777 | return limit->p2.p2_fast; |
79e53945 | 778 | } |
3b1429d9 VS |
779 | } |
780 | ||
781 | static bool | |
782 | i9xx_find_best_dpll(const intel_limit_t *limit, | |
783 | struct intel_crtc_state *crtc_state, | |
784 | int target, int refclk, intel_clock_t *match_clock, | |
785 | intel_clock_t *best_clock) | |
786 | { | |
787 | struct drm_device *dev = crtc_state->base.crtc->dev; | |
788 | intel_clock_t clock; | |
789 | int err = target; | |
79e53945 | 790 | |
0206e353 | 791 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 792 | |
3b1429d9 VS |
793 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); |
794 | ||
42158660 ZY |
795 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
796 | clock.m1++) { | |
797 | for (clock.m2 = limit->m2.min; | |
798 | clock.m2 <= limit->m2.max; clock.m2++) { | |
c0efc387 | 799 | if (clock.m2 >= clock.m1) |
42158660 ZY |
800 | break; |
801 | for (clock.n = limit->n.min; | |
802 | clock.n <= limit->n.max; clock.n++) { | |
803 | for (clock.p1 = limit->p1.min; | |
804 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
805 | int this_err; |
806 | ||
dccbea3b | 807 | i9xx_calc_dpll_params(refclk, &clock); |
ac58c3f0 DV |
808 | if (!intel_PLL_is_valid(dev, limit, |
809 | &clock)) | |
810 | continue; | |
811 | if (match_clock && | |
812 | clock.p != match_clock->p) | |
813 | continue; | |
814 | ||
815 | this_err = abs(clock.dot - target); | |
816 | if (this_err < err) { | |
817 | *best_clock = clock; | |
818 | err = this_err; | |
819 | } | |
820 | } | |
821 | } | |
822 | } | |
823 | } | |
824 | ||
825 | return (err != target); | |
826 | } | |
827 | ||
828 | static bool | |
a93e255f ACO |
829 | pnv_find_best_dpll(const intel_limit_t *limit, |
830 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
831 | int target, int refclk, intel_clock_t *match_clock, |
832 | intel_clock_t *best_clock) | |
79e53945 | 833 | { |
3b1429d9 | 834 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 | 835 | intel_clock_t clock; |
79e53945 JB |
836 | int err = target; |
837 | ||
0206e353 | 838 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 839 | |
3b1429d9 VS |
840 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); |
841 | ||
42158660 ZY |
842 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
843 | clock.m1++) { | |
844 | for (clock.m2 = limit->m2.min; | |
845 | clock.m2 <= limit->m2.max; clock.m2++) { | |
42158660 ZY |
846 | for (clock.n = limit->n.min; |
847 | clock.n <= limit->n.max; clock.n++) { | |
848 | for (clock.p1 = limit->p1.min; | |
849 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
850 | int this_err; |
851 | ||
dccbea3b | 852 | pnv_calc_dpll_params(refclk, &clock); |
1b894b59 CW |
853 | if (!intel_PLL_is_valid(dev, limit, |
854 | &clock)) | |
79e53945 | 855 | continue; |
cec2f356 SP |
856 | if (match_clock && |
857 | clock.p != match_clock->p) | |
858 | continue; | |
79e53945 JB |
859 | |
860 | this_err = abs(clock.dot - target); | |
861 | if (this_err < err) { | |
862 | *best_clock = clock; | |
863 | err = this_err; | |
864 | } | |
865 | } | |
866 | } | |
867 | } | |
868 | } | |
869 | ||
870 | return (err != target); | |
871 | } | |
872 | ||
d4906093 | 873 | static bool |
a93e255f ACO |
874 | g4x_find_best_dpll(const intel_limit_t *limit, |
875 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
876 | int target, int refclk, intel_clock_t *match_clock, |
877 | intel_clock_t *best_clock) | |
d4906093 | 878 | { |
3b1429d9 | 879 | struct drm_device *dev = crtc_state->base.crtc->dev; |
d4906093 ML |
880 | intel_clock_t clock; |
881 | int max_n; | |
3b1429d9 | 882 | bool found = false; |
6ba770dc AJ |
883 | /* approximately equals target * 0.00585 */ |
884 | int err_most = (target >> 8) + (target >> 9); | |
d4906093 ML |
885 | |
886 | memset(best_clock, 0, sizeof(*best_clock)); | |
3b1429d9 VS |
887 | |
888 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); | |
889 | ||
d4906093 | 890 | max_n = limit->n.max; |
f77f13e2 | 891 | /* based on hardware requirement, prefer smaller n to precision */ |
d4906093 | 892 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
f77f13e2 | 893 | /* based on hardware requirement, prefere larger m1,m2 */ |
d4906093 ML |
894 | for (clock.m1 = limit->m1.max; |
895 | clock.m1 >= limit->m1.min; clock.m1--) { | |
896 | for (clock.m2 = limit->m2.max; | |
897 | clock.m2 >= limit->m2.min; clock.m2--) { | |
898 | for (clock.p1 = limit->p1.max; | |
899 | clock.p1 >= limit->p1.min; clock.p1--) { | |
900 | int this_err; | |
901 | ||
dccbea3b | 902 | i9xx_calc_dpll_params(refclk, &clock); |
1b894b59 CW |
903 | if (!intel_PLL_is_valid(dev, limit, |
904 | &clock)) | |
d4906093 | 905 | continue; |
1b894b59 CW |
906 | |
907 | this_err = abs(clock.dot - target); | |
d4906093 ML |
908 | if (this_err < err_most) { |
909 | *best_clock = clock; | |
910 | err_most = this_err; | |
911 | max_n = clock.n; | |
912 | found = true; | |
913 | } | |
914 | } | |
915 | } | |
916 | } | |
917 | } | |
2c07245f ZW |
918 | return found; |
919 | } | |
920 | ||
d5dd62bd ID |
921 | /* |
922 | * Check if the calculated PLL configuration is more optimal compared to the | |
923 | * best configuration and error found so far. Return the calculated error. | |
924 | */ | |
925 | static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq, | |
926 | const intel_clock_t *calculated_clock, | |
927 | const intel_clock_t *best_clock, | |
928 | unsigned int best_error_ppm, | |
929 | unsigned int *error_ppm) | |
930 | { | |
9ca3ba01 ID |
931 | /* |
932 | * For CHV ignore the error and consider only the P value. | |
933 | * Prefer a bigger P value based on HW requirements. | |
934 | */ | |
935 | if (IS_CHERRYVIEW(dev)) { | |
936 | *error_ppm = 0; | |
937 | ||
938 | return calculated_clock->p > best_clock->p; | |
939 | } | |
940 | ||
24be4e46 ID |
941 | if (WARN_ON_ONCE(!target_freq)) |
942 | return false; | |
943 | ||
d5dd62bd ID |
944 | *error_ppm = div_u64(1000000ULL * |
945 | abs(target_freq - calculated_clock->dot), | |
946 | target_freq); | |
947 | /* | |
948 | * Prefer a better P value over a better (smaller) error if the error | |
949 | * is small. Ensure this preference for future configurations too by | |
950 | * setting the error to 0. | |
951 | */ | |
952 | if (*error_ppm < 100 && calculated_clock->p > best_clock->p) { | |
953 | *error_ppm = 0; | |
954 | ||
955 | return true; | |
956 | } | |
957 | ||
958 | return *error_ppm + 10 < best_error_ppm; | |
959 | } | |
960 | ||
a0c4da24 | 961 | static bool |
a93e255f ACO |
962 | vlv_find_best_dpll(const intel_limit_t *limit, |
963 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
964 | int target, int refclk, intel_clock_t *match_clock, |
965 | intel_clock_t *best_clock) | |
a0c4da24 | 966 | { |
a93e255f | 967 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 968 | struct drm_device *dev = crtc->base.dev; |
6b4bf1c4 | 969 | intel_clock_t clock; |
69e4f900 | 970 | unsigned int bestppm = 1000000; |
27e639bf VS |
971 | /* min update 19.2 MHz */ |
972 | int max_n = min(limit->n.max, refclk / 19200); | |
49e497ef | 973 | bool found = false; |
a0c4da24 | 974 | |
6b4bf1c4 VS |
975 | target *= 5; /* fast clock */ |
976 | ||
977 | memset(best_clock, 0, sizeof(*best_clock)); | |
a0c4da24 JB |
978 | |
979 | /* based on hardware requirement, prefer smaller n to precision */ | |
27e639bf | 980 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
811bbf05 | 981 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
889059d8 | 982 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
c1a9ae43 | 983 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
6b4bf1c4 | 984 | clock.p = clock.p1 * clock.p2; |
a0c4da24 | 985 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
6b4bf1c4 | 986 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
d5dd62bd | 987 | unsigned int ppm; |
69e4f900 | 988 | |
6b4bf1c4 VS |
989 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
990 | refclk * clock.m1); | |
991 | ||
dccbea3b | 992 | vlv_calc_dpll_params(refclk, &clock); |
43b0ac53 | 993 | |
f01b7962 VS |
994 | if (!intel_PLL_is_valid(dev, limit, |
995 | &clock)) | |
43b0ac53 VS |
996 | continue; |
997 | ||
d5dd62bd ID |
998 | if (!vlv_PLL_is_optimal(dev, target, |
999 | &clock, | |
1000 | best_clock, | |
1001 | bestppm, &ppm)) | |
1002 | continue; | |
6b4bf1c4 | 1003 | |
d5dd62bd ID |
1004 | *best_clock = clock; |
1005 | bestppm = ppm; | |
1006 | found = true; | |
a0c4da24 JB |
1007 | } |
1008 | } | |
1009 | } | |
1010 | } | |
a0c4da24 | 1011 | |
49e497ef | 1012 | return found; |
a0c4da24 | 1013 | } |
a4fc5ed6 | 1014 | |
ef9348c8 | 1015 | static bool |
a93e255f ACO |
1016 | chv_find_best_dpll(const intel_limit_t *limit, |
1017 | struct intel_crtc_state *crtc_state, | |
ef9348c8 CML |
1018 | int target, int refclk, intel_clock_t *match_clock, |
1019 | intel_clock_t *best_clock) | |
1020 | { | |
a93e255f | 1021 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 1022 | struct drm_device *dev = crtc->base.dev; |
9ca3ba01 | 1023 | unsigned int best_error_ppm; |
ef9348c8 CML |
1024 | intel_clock_t clock; |
1025 | uint64_t m2; | |
1026 | int found = false; | |
1027 | ||
1028 | memset(best_clock, 0, sizeof(*best_clock)); | |
9ca3ba01 | 1029 | best_error_ppm = 1000000; |
ef9348c8 CML |
1030 | |
1031 | /* | |
1032 | * Based on hardware doc, the n always set to 1, and m1 always | |
1033 | * set to 2. If requires to support 200Mhz refclk, we need to | |
1034 | * revisit this because n may not 1 anymore. | |
1035 | */ | |
1036 | clock.n = 1, clock.m1 = 2; | |
1037 | target *= 5; /* fast clock */ | |
1038 | ||
1039 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { | |
1040 | for (clock.p2 = limit->p2.p2_fast; | |
1041 | clock.p2 >= limit->p2.p2_slow; | |
1042 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { | |
9ca3ba01 | 1043 | unsigned int error_ppm; |
ef9348c8 CML |
1044 | |
1045 | clock.p = clock.p1 * clock.p2; | |
1046 | ||
1047 | m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p * | |
1048 | clock.n) << 22, refclk * clock.m1); | |
1049 | ||
1050 | if (m2 > INT_MAX/clock.m1) | |
1051 | continue; | |
1052 | ||
1053 | clock.m2 = m2; | |
1054 | ||
dccbea3b | 1055 | chv_calc_dpll_params(refclk, &clock); |
ef9348c8 CML |
1056 | |
1057 | if (!intel_PLL_is_valid(dev, limit, &clock)) | |
1058 | continue; | |
1059 | ||
9ca3ba01 ID |
1060 | if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock, |
1061 | best_error_ppm, &error_ppm)) | |
1062 | continue; | |
1063 | ||
1064 | *best_clock = clock; | |
1065 | best_error_ppm = error_ppm; | |
1066 | found = true; | |
ef9348c8 CML |
1067 | } |
1068 | } | |
1069 | ||
1070 | return found; | |
1071 | } | |
1072 | ||
5ab7b0b7 ID |
1073 | bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock, |
1074 | intel_clock_t *best_clock) | |
1075 | { | |
1076 | int refclk = i9xx_get_refclk(crtc_state, 0); | |
1077 | ||
1078 | return chv_find_best_dpll(intel_limit(crtc_state, refclk), crtc_state, | |
1079 | target_clock, refclk, NULL, best_clock); | |
1080 | } | |
1081 | ||
20ddf665 VS |
1082 | bool intel_crtc_active(struct drm_crtc *crtc) |
1083 | { | |
1084 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1085 | ||
1086 | /* Be paranoid as we can arrive here with only partial | |
1087 | * state retrieved from the hardware during setup. | |
1088 | * | |
241bfc38 | 1089 | * We can ditch the adjusted_mode.crtc_clock check as soon |
20ddf665 VS |
1090 | * as Haswell has gained clock readout/fastboot support. |
1091 | * | |
66e514c1 | 1092 | * We can ditch the crtc->primary->fb check as soon as we can |
20ddf665 | 1093 | * properly reconstruct framebuffers. |
c3d1f436 MR |
1094 | * |
1095 | * FIXME: The intel_crtc->active here should be switched to | |
1096 | * crtc->state->active once we have proper CRTC states wired up | |
1097 | * for atomic. | |
20ddf665 | 1098 | */ |
c3d1f436 | 1099 | return intel_crtc->active && crtc->primary->state->fb && |
6e3c9717 | 1100 | intel_crtc->config->base.adjusted_mode.crtc_clock; |
20ddf665 VS |
1101 | } |
1102 | ||
a5c961d1 PZ |
1103 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
1104 | enum pipe pipe) | |
1105 | { | |
1106 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
1107 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1108 | ||
6e3c9717 | 1109 | return intel_crtc->config->cpu_transcoder; |
a5c961d1 PZ |
1110 | } |
1111 | ||
fbf49ea2 VS |
1112 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
1113 | { | |
1114 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f0f59a00 | 1115 | i915_reg_t reg = PIPEDSL(pipe); |
fbf49ea2 VS |
1116 | u32 line1, line2; |
1117 | u32 line_mask; | |
1118 | ||
1119 | if (IS_GEN2(dev)) | |
1120 | line_mask = DSL_LINEMASK_GEN2; | |
1121 | else | |
1122 | line_mask = DSL_LINEMASK_GEN3; | |
1123 | ||
1124 | line1 = I915_READ(reg) & line_mask; | |
6adfb1ef | 1125 | msleep(5); |
fbf49ea2 VS |
1126 | line2 = I915_READ(reg) & line_mask; |
1127 | ||
1128 | return line1 == line2; | |
1129 | } | |
1130 | ||
ab7ad7f6 KP |
1131 | /* |
1132 | * intel_wait_for_pipe_off - wait for pipe to turn off | |
575f7ab7 | 1133 | * @crtc: crtc whose pipe to wait for |
9d0498a2 JB |
1134 | * |
1135 | * After disabling a pipe, we can't wait for vblank in the usual way, | |
1136 | * spinning on the vblank interrupt status bit, since we won't actually | |
1137 | * see an interrupt when the pipe is disabled. | |
1138 | * | |
ab7ad7f6 KP |
1139 | * On Gen4 and above: |
1140 | * wait for the pipe register state bit to turn off | |
1141 | * | |
1142 | * Otherwise: | |
1143 | * wait for the display line value to settle (it usually | |
1144 | * ends up stopping at the start of the next frame). | |
58e10eb9 | 1145 | * |
9d0498a2 | 1146 | */ |
575f7ab7 | 1147 | static void intel_wait_for_pipe_off(struct intel_crtc *crtc) |
9d0498a2 | 1148 | { |
575f7ab7 | 1149 | struct drm_device *dev = crtc->base.dev; |
9d0498a2 | 1150 | struct drm_i915_private *dev_priv = dev->dev_private; |
6e3c9717 | 1151 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 1152 | enum pipe pipe = crtc->pipe; |
ab7ad7f6 KP |
1153 | |
1154 | if (INTEL_INFO(dev)->gen >= 4) { | |
f0f59a00 | 1155 | i915_reg_t reg = PIPECONF(cpu_transcoder); |
ab7ad7f6 KP |
1156 | |
1157 | /* Wait for the Pipe State to go off */ | |
58e10eb9 CW |
1158 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
1159 | 100)) | |
284637d9 | 1160 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1161 | } else { |
ab7ad7f6 | 1162 | /* Wait for the display line to settle */ |
fbf49ea2 | 1163 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
284637d9 | 1164 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1165 | } |
79e53945 JB |
1166 | } |
1167 | ||
b24e7179 | 1168 | /* Only for pre-ILK configs */ |
55607e8a DV |
1169 | void assert_pll(struct drm_i915_private *dev_priv, |
1170 | enum pipe pipe, bool state) | |
b24e7179 | 1171 | { |
b24e7179 JB |
1172 | u32 val; |
1173 | bool cur_state; | |
1174 | ||
649636ef | 1175 | val = I915_READ(DPLL(pipe)); |
b24e7179 | 1176 | cur_state = !!(val & DPLL_VCO_ENABLE); |
e2c719b7 | 1177 | I915_STATE_WARN(cur_state != state, |
b24e7179 | 1178 | "PLL state assertion failure (expected %s, current %s)\n", |
87ad3212 | 1179 | onoff(state), onoff(cur_state)); |
b24e7179 | 1180 | } |
b24e7179 | 1181 | |
23538ef1 JN |
1182 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
1183 | static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) | |
1184 | { | |
1185 | u32 val; | |
1186 | bool cur_state; | |
1187 | ||
a580516d | 1188 | mutex_lock(&dev_priv->sb_lock); |
23538ef1 | 1189 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); |
a580516d | 1190 | mutex_unlock(&dev_priv->sb_lock); |
23538ef1 JN |
1191 | |
1192 | cur_state = val & DSI_PLL_VCO_EN; | |
e2c719b7 | 1193 | I915_STATE_WARN(cur_state != state, |
23538ef1 | 1194 | "DSI PLL state assertion failure (expected %s, current %s)\n", |
87ad3212 | 1195 | onoff(state), onoff(cur_state)); |
23538ef1 JN |
1196 | } |
1197 | #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) | |
1198 | #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) | |
1199 | ||
040484af JB |
1200 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, |
1201 | enum pipe pipe, bool state) | |
1202 | { | |
040484af | 1203 | bool cur_state; |
ad80a810 PZ |
1204 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1205 | pipe); | |
040484af | 1206 | |
affa9354 PZ |
1207 | if (HAS_DDI(dev_priv->dev)) { |
1208 | /* DDI does not have a specific FDI_TX register */ | |
649636ef | 1209 | u32 val = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); |
ad80a810 | 1210 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
bf507ef7 | 1211 | } else { |
649636ef | 1212 | u32 val = I915_READ(FDI_TX_CTL(pipe)); |
bf507ef7 ED |
1213 | cur_state = !!(val & FDI_TX_ENABLE); |
1214 | } | |
e2c719b7 | 1215 | I915_STATE_WARN(cur_state != state, |
040484af | 1216 | "FDI TX state assertion failure (expected %s, current %s)\n", |
87ad3212 | 1217 | onoff(state), onoff(cur_state)); |
040484af JB |
1218 | } |
1219 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) | |
1220 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) | |
1221 | ||
1222 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, | |
1223 | enum pipe pipe, bool state) | |
1224 | { | |
040484af JB |
1225 | u32 val; |
1226 | bool cur_state; | |
1227 | ||
649636ef | 1228 | val = I915_READ(FDI_RX_CTL(pipe)); |
d63fa0dc | 1229 | cur_state = !!(val & FDI_RX_ENABLE); |
e2c719b7 | 1230 | I915_STATE_WARN(cur_state != state, |
040484af | 1231 | "FDI RX state assertion failure (expected %s, current %s)\n", |
87ad3212 | 1232 | onoff(state), onoff(cur_state)); |
040484af JB |
1233 | } |
1234 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) | |
1235 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) | |
1236 | ||
1237 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, | |
1238 | enum pipe pipe) | |
1239 | { | |
040484af JB |
1240 | u32 val; |
1241 | ||
1242 | /* ILK FDI PLL is always enabled */ | |
3d13ef2e | 1243 | if (INTEL_INFO(dev_priv->dev)->gen == 5) |
040484af JB |
1244 | return; |
1245 | ||
bf507ef7 | 1246 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
affa9354 | 1247 | if (HAS_DDI(dev_priv->dev)) |
bf507ef7 ED |
1248 | return; |
1249 | ||
649636ef | 1250 | val = I915_READ(FDI_TX_CTL(pipe)); |
e2c719b7 | 1251 | I915_STATE_WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
040484af JB |
1252 | } |
1253 | ||
55607e8a DV |
1254 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1255 | enum pipe pipe, bool state) | |
040484af | 1256 | { |
040484af | 1257 | u32 val; |
55607e8a | 1258 | bool cur_state; |
040484af | 1259 | |
649636ef | 1260 | val = I915_READ(FDI_RX_CTL(pipe)); |
55607e8a | 1261 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
e2c719b7 | 1262 | I915_STATE_WARN(cur_state != state, |
55607e8a | 1263 | "FDI RX PLL assertion failure (expected %s, current %s)\n", |
87ad3212 | 1264 | onoff(state), onoff(cur_state)); |
040484af JB |
1265 | } |
1266 | ||
b680c37a DV |
1267 | void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1268 | enum pipe pipe) | |
ea0760cf | 1269 | { |
bedd4dba | 1270 | struct drm_device *dev = dev_priv->dev; |
f0f59a00 | 1271 | i915_reg_t pp_reg; |
ea0760cf JB |
1272 | u32 val; |
1273 | enum pipe panel_pipe = PIPE_A; | |
0de3b485 | 1274 | bool locked = true; |
ea0760cf | 1275 | |
bedd4dba JN |
1276 | if (WARN_ON(HAS_DDI(dev))) |
1277 | return; | |
1278 | ||
1279 | if (HAS_PCH_SPLIT(dev)) { | |
1280 | u32 port_sel; | |
1281 | ||
ea0760cf | 1282 | pp_reg = PCH_PP_CONTROL; |
bedd4dba JN |
1283 | port_sel = I915_READ(PCH_PP_ON_DELAYS) & PANEL_PORT_SELECT_MASK; |
1284 | ||
1285 | if (port_sel == PANEL_PORT_SELECT_LVDS && | |
1286 | I915_READ(PCH_LVDS) & LVDS_PIPEB_SELECT) | |
1287 | panel_pipe = PIPE_B; | |
1288 | /* XXX: else fix for eDP */ | |
666a4537 | 1289 | } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
bedd4dba JN |
1290 | /* presumably write lock depends on pipe, not port select */ |
1291 | pp_reg = VLV_PIPE_PP_CONTROL(pipe); | |
1292 | panel_pipe = pipe; | |
ea0760cf JB |
1293 | } else { |
1294 | pp_reg = PP_CONTROL; | |
bedd4dba JN |
1295 | if (I915_READ(LVDS) & LVDS_PIPEB_SELECT) |
1296 | panel_pipe = PIPE_B; | |
ea0760cf JB |
1297 | } |
1298 | ||
1299 | val = I915_READ(pp_reg); | |
1300 | if (!(val & PANEL_POWER_ON) || | |
ec49ba2d | 1301 | ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) |
ea0760cf JB |
1302 | locked = false; |
1303 | ||
e2c719b7 | 1304 | I915_STATE_WARN(panel_pipe == pipe && locked, |
ea0760cf | 1305 | "panel assertion failure, pipe %c regs locked\n", |
9db4a9c7 | 1306 | pipe_name(pipe)); |
ea0760cf JB |
1307 | } |
1308 | ||
93ce0ba6 JN |
1309 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1310 | enum pipe pipe, bool state) | |
1311 | { | |
1312 | struct drm_device *dev = dev_priv->dev; | |
1313 | bool cur_state; | |
1314 | ||
d9d82081 | 1315 | if (IS_845G(dev) || IS_I865G(dev)) |
0b87c24e | 1316 | cur_state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE; |
d9d82081 | 1317 | else |
5efb3e28 | 1318 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
93ce0ba6 | 1319 | |
e2c719b7 | 1320 | I915_STATE_WARN(cur_state != state, |
93ce0ba6 | 1321 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", |
87ad3212 | 1322 | pipe_name(pipe), onoff(state), onoff(cur_state)); |
93ce0ba6 JN |
1323 | } |
1324 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) | |
1325 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) | |
1326 | ||
b840d907 JB |
1327 | void assert_pipe(struct drm_i915_private *dev_priv, |
1328 | enum pipe pipe, bool state) | |
b24e7179 | 1329 | { |
63d7bbe9 | 1330 | bool cur_state; |
702e7a56 PZ |
1331 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1332 | pipe); | |
4feed0eb | 1333 | enum intel_display_power_domain power_domain; |
b24e7179 | 1334 | |
b6b5d049 VS |
1335 | /* if we need the pipe quirk it must be always on */ |
1336 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1337 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
8e636784 DV |
1338 | state = true; |
1339 | ||
4feed0eb ID |
1340 | power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); |
1341 | if (intel_display_power_get_if_enabled(dev_priv, power_domain)) { | |
649636ef | 1342 | u32 val = I915_READ(PIPECONF(cpu_transcoder)); |
69310161 | 1343 | cur_state = !!(val & PIPECONF_ENABLE); |
4feed0eb ID |
1344 | |
1345 | intel_display_power_put(dev_priv, power_domain); | |
1346 | } else { | |
1347 | cur_state = false; | |
69310161 PZ |
1348 | } |
1349 | ||
e2c719b7 | 1350 | I915_STATE_WARN(cur_state != state, |
63d7bbe9 | 1351 | "pipe %c assertion failure (expected %s, current %s)\n", |
87ad3212 | 1352 | pipe_name(pipe), onoff(state), onoff(cur_state)); |
b24e7179 JB |
1353 | } |
1354 | ||
931872fc CW |
1355 | static void assert_plane(struct drm_i915_private *dev_priv, |
1356 | enum plane plane, bool state) | |
b24e7179 | 1357 | { |
b24e7179 | 1358 | u32 val; |
931872fc | 1359 | bool cur_state; |
b24e7179 | 1360 | |
649636ef | 1361 | val = I915_READ(DSPCNTR(plane)); |
931872fc | 1362 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
e2c719b7 | 1363 | I915_STATE_WARN(cur_state != state, |
931872fc | 1364 | "plane %c assertion failure (expected %s, current %s)\n", |
87ad3212 | 1365 | plane_name(plane), onoff(state), onoff(cur_state)); |
b24e7179 JB |
1366 | } |
1367 | ||
931872fc CW |
1368 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1369 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) | |
1370 | ||
b24e7179 JB |
1371 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1372 | enum pipe pipe) | |
1373 | { | |
653e1026 | 1374 | struct drm_device *dev = dev_priv->dev; |
649636ef | 1375 | int i; |
b24e7179 | 1376 | |
653e1026 VS |
1377 | /* Primary planes are fixed to pipes on gen4+ */ |
1378 | if (INTEL_INFO(dev)->gen >= 4) { | |
649636ef | 1379 | u32 val = I915_READ(DSPCNTR(pipe)); |
e2c719b7 | 1380 | I915_STATE_WARN(val & DISPLAY_PLANE_ENABLE, |
28c05794 AJ |
1381 | "plane %c assertion failure, should be disabled but not\n", |
1382 | plane_name(pipe)); | |
19ec1358 | 1383 | return; |
28c05794 | 1384 | } |
19ec1358 | 1385 | |
b24e7179 | 1386 | /* Need to check both planes against the pipe */ |
055e393f | 1387 | for_each_pipe(dev_priv, i) { |
649636ef VS |
1388 | u32 val = I915_READ(DSPCNTR(i)); |
1389 | enum pipe cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> | |
b24e7179 | 1390 | DISPPLANE_SEL_PIPE_SHIFT; |
e2c719b7 | 1391 | I915_STATE_WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
9db4a9c7 JB |
1392 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1393 | plane_name(i), pipe_name(pipe)); | |
b24e7179 JB |
1394 | } |
1395 | } | |
1396 | ||
19332d7a JB |
1397 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1398 | enum pipe pipe) | |
1399 | { | |
20674eef | 1400 | struct drm_device *dev = dev_priv->dev; |
649636ef | 1401 | int sprite; |
19332d7a | 1402 | |
7feb8b88 | 1403 | if (INTEL_INFO(dev)->gen >= 9) { |
3bdcfc0c | 1404 | for_each_sprite(dev_priv, pipe, sprite) { |
649636ef | 1405 | u32 val = I915_READ(PLANE_CTL(pipe, sprite)); |
e2c719b7 | 1406 | I915_STATE_WARN(val & PLANE_CTL_ENABLE, |
7feb8b88 DL |
1407 | "plane %d assertion failure, should be off on pipe %c but is still active\n", |
1408 | sprite, pipe_name(pipe)); | |
1409 | } | |
666a4537 | 1410 | } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
3bdcfc0c | 1411 | for_each_sprite(dev_priv, pipe, sprite) { |
649636ef | 1412 | u32 val = I915_READ(SPCNTR(pipe, sprite)); |
e2c719b7 | 1413 | I915_STATE_WARN(val & SP_ENABLE, |
20674eef | 1414 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1fe47785 | 1415 | sprite_name(pipe, sprite), pipe_name(pipe)); |
20674eef VS |
1416 | } |
1417 | } else if (INTEL_INFO(dev)->gen >= 7) { | |
649636ef | 1418 | u32 val = I915_READ(SPRCTL(pipe)); |
e2c719b7 | 1419 | I915_STATE_WARN(val & SPRITE_ENABLE, |
06da8da2 | 1420 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef VS |
1421 | plane_name(pipe), pipe_name(pipe)); |
1422 | } else if (INTEL_INFO(dev)->gen >= 5) { | |
649636ef | 1423 | u32 val = I915_READ(DVSCNTR(pipe)); |
e2c719b7 | 1424 | I915_STATE_WARN(val & DVS_ENABLE, |
06da8da2 | 1425 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef | 1426 | plane_name(pipe), pipe_name(pipe)); |
19332d7a JB |
1427 | } |
1428 | } | |
1429 | ||
08c71e5e VS |
1430 | static void assert_vblank_disabled(struct drm_crtc *crtc) |
1431 | { | |
e2c719b7 | 1432 | if (I915_STATE_WARN_ON(drm_crtc_vblank_get(crtc) == 0)) |
08c71e5e VS |
1433 | drm_crtc_vblank_put(crtc); |
1434 | } | |
1435 | ||
7abd4b35 ACO |
1436 | void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1437 | enum pipe pipe) | |
92f2584a | 1438 | { |
92f2584a JB |
1439 | u32 val; |
1440 | bool enabled; | |
1441 | ||
649636ef | 1442 | val = I915_READ(PCH_TRANSCONF(pipe)); |
92f2584a | 1443 | enabled = !!(val & TRANS_ENABLE); |
e2c719b7 | 1444 | I915_STATE_WARN(enabled, |
9db4a9c7 JB |
1445 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
1446 | pipe_name(pipe)); | |
92f2584a JB |
1447 | } |
1448 | ||
4e634389 KP |
1449 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1450 | enum pipe pipe, u32 port_sel, u32 val) | |
f0575e92 KP |
1451 | { |
1452 | if ((val & DP_PORT_EN) == 0) | |
1453 | return false; | |
1454 | ||
1455 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
f0f59a00 | 1456 | u32 trans_dp_ctl = I915_READ(TRANS_DP_CTL(pipe)); |
f0575e92 KP |
1457 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) |
1458 | return false; | |
44f37d1f CML |
1459 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1460 | if ((val & DP_PIPE_MASK_CHV) != DP_PIPE_SELECT_CHV(pipe)) | |
1461 | return false; | |
f0575e92 KP |
1462 | } else { |
1463 | if ((val & DP_PIPE_MASK) != (pipe << 30)) | |
1464 | return false; | |
1465 | } | |
1466 | return true; | |
1467 | } | |
1468 | ||
1519b995 KP |
1469 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1470 | enum pipe pipe, u32 val) | |
1471 | { | |
dc0fa718 | 1472 | if ((val & SDVO_ENABLE) == 0) |
1519b995 KP |
1473 | return false; |
1474 | ||
1475 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
dc0fa718 | 1476 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1519b995 | 1477 | return false; |
44f37d1f CML |
1478 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1479 | if ((val & SDVO_PIPE_SEL_MASK_CHV) != SDVO_PIPE_SEL_CHV(pipe)) | |
1480 | return false; | |
1519b995 | 1481 | } else { |
dc0fa718 | 1482 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1519b995 KP |
1483 | return false; |
1484 | } | |
1485 | return true; | |
1486 | } | |
1487 | ||
1488 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, | |
1489 | enum pipe pipe, u32 val) | |
1490 | { | |
1491 | if ((val & LVDS_PORT_EN) == 0) | |
1492 | return false; | |
1493 | ||
1494 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1495 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1496 | return false; | |
1497 | } else { | |
1498 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) | |
1499 | return false; | |
1500 | } | |
1501 | return true; | |
1502 | } | |
1503 | ||
1504 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, | |
1505 | enum pipe pipe, u32 val) | |
1506 | { | |
1507 | if ((val & ADPA_DAC_ENABLE) == 0) | |
1508 | return false; | |
1509 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1510 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1511 | return false; | |
1512 | } else { | |
1513 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) | |
1514 | return false; | |
1515 | } | |
1516 | return true; | |
1517 | } | |
1518 | ||
291906f1 | 1519 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
f0f59a00 VS |
1520 | enum pipe pipe, i915_reg_t reg, |
1521 | u32 port_sel) | |
291906f1 | 1522 | { |
47a05eca | 1523 | u32 val = I915_READ(reg); |
e2c719b7 | 1524 | I915_STATE_WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
291906f1 | 1525 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
f0f59a00 | 1526 | i915_mmio_reg_offset(reg), pipe_name(pipe)); |
de9a35ab | 1527 | |
e2c719b7 | 1528 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
75c5da27 | 1529 | && (val & DP_PIPEB_SELECT), |
de9a35ab | 1530 | "IBX PCH dp port still using transcoder B\n"); |
291906f1 JB |
1531 | } |
1532 | ||
1533 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, | |
f0f59a00 | 1534 | enum pipe pipe, i915_reg_t reg) |
291906f1 | 1535 | { |
47a05eca | 1536 | u32 val = I915_READ(reg); |
e2c719b7 | 1537 | I915_STATE_WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
23c99e77 | 1538 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
f0f59a00 | 1539 | i915_mmio_reg_offset(reg), pipe_name(pipe)); |
de9a35ab | 1540 | |
e2c719b7 | 1541 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
75c5da27 | 1542 | && (val & SDVO_PIPE_B_SELECT), |
de9a35ab | 1543 | "IBX PCH hdmi port still using transcoder B\n"); |
291906f1 JB |
1544 | } |
1545 | ||
1546 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, | |
1547 | enum pipe pipe) | |
1548 | { | |
291906f1 | 1549 | u32 val; |
291906f1 | 1550 | |
f0575e92 KP |
1551 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1552 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); | |
1553 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); | |
291906f1 | 1554 | |
649636ef | 1555 | val = I915_READ(PCH_ADPA); |
e2c719b7 | 1556 | I915_STATE_WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1557 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1558 | pipe_name(pipe)); |
291906f1 | 1559 | |
649636ef | 1560 | val = I915_READ(PCH_LVDS); |
e2c719b7 | 1561 | I915_STATE_WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1562 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1563 | pipe_name(pipe)); |
291906f1 | 1564 | |
e2debe91 PZ |
1565 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1566 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); | |
1567 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); | |
291906f1 JB |
1568 | } |
1569 | ||
d288f65f | 1570 | static void vlv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1571 | const struct intel_crtc_state *pipe_config) |
87442f73 | 1572 | { |
426115cf DV |
1573 | struct drm_device *dev = crtc->base.dev; |
1574 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f0f59a00 | 1575 | i915_reg_t reg = DPLL(crtc->pipe); |
d288f65f | 1576 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
87442f73 | 1577 | |
426115cf | 1578 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87442f73 | 1579 | |
87442f73 | 1580 | /* PLL is protected by panel, make sure we can write it */ |
6a9e7363 | 1581 | if (IS_MOBILE(dev_priv->dev)) |
426115cf | 1582 | assert_panel_unlocked(dev_priv, crtc->pipe); |
87442f73 | 1583 | |
426115cf DV |
1584 | I915_WRITE(reg, dpll); |
1585 | POSTING_READ(reg); | |
1586 | udelay(150); | |
1587 | ||
1588 | if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) | |
1589 | DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); | |
1590 | ||
d288f65f | 1591 | I915_WRITE(DPLL_MD(crtc->pipe), pipe_config->dpll_hw_state.dpll_md); |
426115cf | 1592 | POSTING_READ(DPLL_MD(crtc->pipe)); |
87442f73 DV |
1593 | |
1594 | /* We do this three times for luck */ | |
426115cf | 1595 | I915_WRITE(reg, dpll); |
87442f73 DV |
1596 | POSTING_READ(reg); |
1597 | udelay(150); /* wait for warmup */ | |
426115cf | 1598 | I915_WRITE(reg, dpll); |
87442f73 DV |
1599 | POSTING_READ(reg); |
1600 | udelay(150); /* wait for warmup */ | |
426115cf | 1601 | I915_WRITE(reg, dpll); |
87442f73 DV |
1602 | POSTING_READ(reg); |
1603 | udelay(150); /* wait for warmup */ | |
1604 | } | |
1605 | ||
d288f65f | 1606 | static void chv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1607 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
1608 | { |
1609 | struct drm_device *dev = crtc->base.dev; | |
1610 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1611 | int pipe = crtc->pipe; | |
1612 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9d556c99 CML |
1613 | u32 tmp; |
1614 | ||
1615 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
1616 | ||
a580516d | 1617 | mutex_lock(&dev_priv->sb_lock); |
9d556c99 CML |
1618 | |
1619 | /* Enable back the 10bit clock to display controller */ | |
1620 | tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1621 | tmp |= DPIO_DCLKP_EN; | |
1622 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); | |
1623 | ||
54433e91 VS |
1624 | mutex_unlock(&dev_priv->sb_lock); |
1625 | ||
9d556c99 CML |
1626 | /* |
1627 | * Need to wait > 100ns between dclkp clock enable bit and PLL enable. | |
1628 | */ | |
1629 | udelay(1); | |
1630 | ||
1631 | /* Enable PLL */ | |
d288f65f | 1632 | I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll); |
9d556c99 CML |
1633 | |
1634 | /* Check PLL is locked */ | |
a11b0703 | 1635 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
9d556c99 CML |
1636 | DRM_ERROR("PLL %d failed to lock\n", pipe); |
1637 | ||
a11b0703 | 1638 | /* not sure when this should be written */ |
d288f65f | 1639 | I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); |
a11b0703 | 1640 | POSTING_READ(DPLL_MD(pipe)); |
9d556c99 CML |
1641 | } |
1642 | ||
1c4e0274 VS |
1643 | static int intel_num_dvo_pipes(struct drm_device *dev) |
1644 | { | |
1645 | struct intel_crtc *crtc; | |
1646 | int count = 0; | |
1647 | ||
1648 | for_each_intel_crtc(dev, crtc) | |
3538b9df | 1649 | count += crtc->base.state->active && |
409ee761 | 1650 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO); |
1c4e0274 VS |
1651 | |
1652 | return count; | |
1653 | } | |
1654 | ||
66e3d5c0 | 1655 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1656 | { |
66e3d5c0 DV |
1657 | struct drm_device *dev = crtc->base.dev; |
1658 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f0f59a00 | 1659 | i915_reg_t reg = DPLL(crtc->pipe); |
6e3c9717 | 1660 | u32 dpll = crtc->config->dpll_hw_state.dpll; |
63d7bbe9 | 1661 | |
66e3d5c0 | 1662 | assert_pipe_disabled(dev_priv, crtc->pipe); |
58c6eaa2 | 1663 | |
63d7bbe9 | 1664 | /* No really, not for ILK+ */ |
3d13ef2e | 1665 | BUG_ON(INTEL_INFO(dev)->gen >= 5); |
63d7bbe9 JB |
1666 | |
1667 | /* PLL is protected by panel, make sure we can write it */ | |
66e3d5c0 DV |
1668 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1669 | assert_panel_unlocked(dev_priv, crtc->pipe); | |
63d7bbe9 | 1670 | |
1c4e0274 VS |
1671 | /* Enable DVO 2x clock on both PLLs if necessary */ |
1672 | if (IS_I830(dev) && intel_num_dvo_pipes(dev) > 0) { | |
1673 | /* | |
1674 | * It appears to be important that we don't enable this | |
1675 | * for the current pipe before otherwise configuring the | |
1676 | * PLL. No idea how this should be handled if multiple | |
1677 | * DVO outputs are enabled simultaneosly. | |
1678 | */ | |
1679 | dpll |= DPLL_DVO_2X_MODE; | |
1680 | I915_WRITE(DPLL(!crtc->pipe), | |
1681 | I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE); | |
1682 | } | |
66e3d5c0 | 1683 | |
c2b63374 VS |
1684 | /* |
1685 | * Apparently we need to have VGA mode enabled prior to changing | |
1686 | * the P1/P2 dividers. Otherwise the DPLL will keep using the old | |
1687 | * dividers, even though the register value does change. | |
1688 | */ | |
1689 | I915_WRITE(reg, 0); | |
1690 | ||
8e7a65aa VS |
1691 | I915_WRITE(reg, dpll); |
1692 | ||
66e3d5c0 DV |
1693 | /* Wait for the clocks to stabilize. */ |
1694 | POSTING_READ(reg); | |
1695 | udelay(150); | |
1696 | ||
1697 | if (INTEL_INFO(dev)->gen >= 4) { | |
1698 | I915_WRITE(DPLL_MD(crtc->pipe), | |
6e3c9717 | 1699 | crtc->config->dpll_hw_state.dpll_md); |
66e3d5c0 DV |
1700 | } else { |
1701 | /* The pixel multiplier can only be updated once the | |
1702 | * DPLL is enabled and the clocks are stable. | |
1703 | * | |
1704 | * So write it again. | |
1705 | */ | |
1706 | I915_WRITE(reg, dpll); | |
1707 | } | |
63d7bbe9 JB |
1708 | |
1709 | /* We do this three times for luck */ | |
66e3d5c0 | 1710 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1711 | POSTING_READ(reg); |
1712 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1713 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1714 | POSTING_READ(reg); |
1715 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1716 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1717 | POSTING_READ(reg); |
1718 | udelay(150); /* wait for warmup */ | |
1719 | } | |
1720 | ||
1721 | /** | |
50b44a44 | 1722 | * i9xx_disable_pll - disable a PLL |
63d7bbe9 JB |
1723 | * @dev_priv: i915 private structure |
1724 | * @pipe: pipe PLL to disable | |
1725 | * | |
1726 | * Disable the PLL for @pipe, making sure the pipe is off first. | |
1727 | * | |
1728 | * Note! This is for pre-ILK only. | |
1729 | */ | |
1c4e0274 | 1730 | static void i9xx_disable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1731 | { |
1c4e0274 VS |
1732 | struct drm_device *dev = crtc->base.dev; |
1733 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1734 | enum pipe pipe = crtc->pipe; | |
1735 | ||
1736 | /* Disable DVO 2x clock on both PLLs if necessary */ | |
1737 | if (IS_I830(dev) && | |
409ee761 | 1738 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO) && |
3538b9df | 1739 | !intel_num_dvo_pipes(dev)) { |
1c4e0274 VS |
1740 | I915_WRITE(DPLL(PIPE_B), |
1741 | I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE); | |
1742 | I915_WRITE(DPLL(PIPE_A), | |
1743 | I915_READ(DPLL(PIPE_A)) & ~DPLL_DVO_2X_MODE); | |
1744 | } | |
1745 | ||
b6b5d049 VS |
1746 | /* Don't disable pipe or pipe PLLs if needed */ |
1747 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1748 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
63d7bbe9 JB |
1749 | return; |
1750 | ||
1751 | /* Make sure the pipe isn't still relying on us */ | |
1752 | assert_pipe_disabled(dev_priv, pipe); | |
1753 | ||
b8afb911 | 1754 | I915_WRITE(DPLL(pipe), DPLL_VGA_MODE_DIS); |
50b44a44 | 1755 | POSTING_READ(DPLL(pipe)); |
63d7bbe9 JB |
1756 | } |
1757 | ||
f6071166 JB |
1758 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1759 | { | |
b8afb911 | 1760 | u32 val; |
f6071166 JB |
1761 | |
1762 | /* Make sure the pipe isn't still relying on us */ | |
1763 | assert_pipe_disabled(dev_priv, pipe); | |
1764 | ||
e5cbfbfb ID |
1765 | /* |
1766 | * Leave integrated clock source and reference clock enabled for pipe B. | |
1767 | * The latter is needed for VGA hotplug / manual detection. | |
1768 | */ | |
b8afb911 | 1769 | val = DPLL_VGA_MODE_DIS; |
f6071166 | 1770 | if (pipe == PIPE_B) |
60bfe44f | 1771 | val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REF_CLK_ENABLE_VLV; |
f6071166 JB |
1772 | I915_WRITE(DPLL(pipe), val); |
1773 | POSTING_READ(DPLL(pipe)); | |
076ed3b2 CML |
1774 | |
1775 | } | |
1776 | ||
1777 | static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) | |
1778 | { | |
d752048d | 1779 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
076ed3b2 CML |
1780 | u32 val; |
1781 | ||
a11b0703 VS |
1782 | /* Make sure the pipe isn't still relying on us */ |
1783 | assert_pipe_disabled(dev_priv, pipe); | |
076ed3b2 | 1784 | |
a11b0703 | 1785 | /* Set PLL en = 0 */ |
60bfe44f VS |
1786 | val = DPLL_SSC_REF_CLK_CHV | |
1787 | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; | |
a11b0703 VS |
1788 | if (pipe != PIPE_A) |
1789 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
1790 | I915_WRITE(DPLL(pipe), val); | |
1791 | POSTING_READ(DPLL(pipe)); | |
d752048d | 1792 | |
a580516d | 1793 | mutex_lock(&dev_priv->sb_lock); |
d752048d VS |
1794 | |
1795 | /* Disable 10bit clock to display controller */ | |
1796 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1797 | val &= ~DPIO_DCLKP_EN; | |
1798 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val); | |
1799 | ||
a580516d | 1800 | mutex_unlock(&dev_priv->sb_lock); |
f6071166 JB |
1801 | } |
1802 | ||
e4607fcf | 1803 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
9b6de0a1 VS |
1804 | struct intel_digital_port *dport, |
1805 | unsigned int expected_mask) | |
89b667f8 JB |
1806 | { |
1807 | u32 port_mask; | |
f0f59a00 | 1808 | i915_reg_t dpll_reg; |
89b667f8 | 1809 | |
e4607fcf CML |
1810 | switch (dport->port) { |
1811 | case PORT_B: | |
89b667f8 | 1812 | port_mask = DPLL_PORTB_READY_MASK; |
00fc31b7 | 1813 | dpll_reg = DPLL(0); |
e4607fcf CML |
1814 | break; |
1815 | case PORT_C: | |
89b667f8 | 1816 | port_mask = DPLL_PORTC_READY_MASK; |
00fc31b7 | 1817 | dpll_reg = DPLL(0); |
9b6de0a1 | 1818 | expected_mask <<= 4; |
00fc31b7 CML |
1819 | break; |
1820 | case PORT_D: | |
1821 | port_mask = DPLL_PORTD_READY_MASK; | |
1822 | dpll_reg = DPIO_PHY_STATUS; | |
e4607fcf CML |
1823 | break; |
1824 | default: | |
1825 | BUG(); | |
1826 | } | |
89b667f8 | 1827 | |
9b6de0a1 VS |
1828 | if (wait_for((I915_READ(dpll_reg) & port_mask) == expected_mask, 1000)) |
1829 | WARN(1, "timed out waiting for port %c ready: got 0x%x, expected 0x%x\n", | |
1830 | port_name(dport->port), I915_READ(dpll_reg) & port_mask, expected_mask); | |
89b667f8 JB |
1831 | } |
1832 | ||
b8a4f404 PZ |
1833 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1834 | enum pipe pipe) | |
040484af | 1835 | { |
23670b32 | 1836 | struct drm_device *dev = dev_priv->dev; |
7c26e5c6 | 1837 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
e2b78267 | 1838 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
f0f59a00 VS |
1839 | i915_reg_t reg; |
1840 | uint32_t val, pipeconf_val; | |
040484af JB |
1841 | |
1842 | /* PCH only available on ILK+ */ | |
55522f37 | 1843 | BUG_ON(!HAS_PCH_SPLIT(dev)); |
040484af JB |
1844 | |
1845 | /* Make sure PCH DPLL is enabled */ | |
8106ddbd | 1846 | assert_shared_dpll_enabled(dev_priv, intel_crtc->config->shared_dpll); |
040484af JB |
1847 | |
1848 | /* FDI must be feeding us bits for PCH ports */ | |
1849 | assert_fdi_tx_enabled(dev_priv, pipe); | |
1850 | assert_fdi_rx_enabled(dev_priv, pipe); | |
1851 | ||
23670b32 DV |
1852 | if (HAS_PCH_CPT(dev)) { |
1853 | /* Workaround: Set the timing override bit before enabling the | |
1854 | * pch transcoder. */ | |
1855 | reg = TRANS_CHICKEN2(pipe); | |
1856 | val = I915_READ(reg); | |
1857 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1858 | I915_WRITE(reg, val); | |
59c859d6 | 1859 | } |
23670b32 | 1860 | |
ab9412ba | 1861 | reg = PCH_TRANSCONF(pipe); |
040484af | 1862 | val = I915_READ(reg); |
5f7f726d | 1863 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
e9bcff5c JB |
1864 | |
1865 | if (HAS_PCH_IBX(dev_priv->dev)) { | |
1866 | /* | |
c5de7c6f VS |
1867 | * Make the BPC in transcoder be consistent with |
1868 | * that in pipeconf reg. For HDMI we must use 8bpc | |
1869 | * here for both 8bpc and 12bpc. | |
e9bcff5c | 1870 | */ |
dfd07d72 | 1871 | val &= ~PIPECONF_BPC_MASK; |
c5de7c6f VS |
1872 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_HDMI)) |
1873 | val |= PIPECONF_8BPC; | |
1874 | else | |
1875 | val |= pipeconf_val & PIPECONF_BPC_MASK; | |
e9bcff5c | 1876 | } |
5f7f726d PZ |
1877 | |
1878 | val &= ~TRANS_INTERLACE_MASK; | |
1879 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) | |
7c26e5c6 | 1880 | if (HAS_PCH_IBX(dev_priv->dev) && |
409ee761 | 1881 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
7c26e5c6 PZ |
1882 | val |= TRANS_LEGACY_INTERLACED_ILK; |
1883 | else | |
1884 | val |= TRANS_INTERLACED; | |
5f7f726d PZ |
1885 | else |
1886 | val |= TRANS_PROGRESSIVE; | |
1887 | ||
040484af JB |
1888 | I915_WRITE(reg, val | TRANS_ENABLE); |
1889 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) | |
4bb6f1f3 | 1890 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
040484af JB |
1891 | } |
1892 | ||
8fb033d7 | 1893 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
937bb610 | 1894 | enum transcoder cpu_transcoder) |
040484af | 1895 | { |
8fb033d7 | 1896 | u32 val, pipeconf_val; |
8fb033d7 PZ |
1897 | |
1898 | /* PCH only available on ILK+ */ | |
55522f37 | 1899 | BUG_ON(!HAS_PCH_SPLIT(dev_priv->dev)); |
8fb033d7 | 1900 | |
8fb033d7 | 1901 | /* FDI must be feeding us bits for PCH ports */ |
1a240d4d | 1902 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
937bb610 | 1903 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
8fb033d7 | 1904 | |
223a6fdf | 1905 | /* Workaround: set timing override bit. */ |
36c0d0cf | 1906 | val = I915_READ(TRANS_CHICKEN2(PIPE_A)); |
23670b32 | 1907 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
36c0d0cf | 1908 | I915_WRITE(TRANS_CHICKEN2(PIPE_A), val); |
223a6fdf | 1909 | |
25f3ef11 | 1910 | val = TRANS_ENABLE; |
937bb610 | 1911 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
8fb033d7 | 1912 | |
9a76b1c6 PZ |
1913 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
1914 | PIPECONF_INTERLACED_ILK) | |
a35f2679 | 1915 | val |= TRANS_INTERLACED; |
8fb033d7 PZ |
1916 | else |
1917 | val |= TRANS_PROGRESSIVE; | |
1918 | ||
ab9412ba DV |
1919 | I915_WRITE(LPT_TRANSCONF, val); |
1920 | if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100)) | |
937bb610 | 1921 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
8fb033d7 PZ |
1922 | } |
1923 | ||
b8a4f404 PZ |
1924 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
1925 | enum pipe pipe) | |
040484af | 1926 | { |
23670b32 | 1927 | struct drm_device *dev = dev_priv->dev; |
f0f59a00 VS |
1928 | i915_reg_t reg; |
1929 | uint32_t val; | |
040484af JB |
1930 | |
1931 | /* FDI relies on the transcoder */ | |
1932 | assert_fdi_tx_disabled(dev_priv, pipe); | |
1933 | assert_fdi_rx_disabled(dev_priv, pipe); | |
1934 | ||
291906f1 JB |
1935 | /* Ports must be off as well */ |
1936 | assert_pch_ports_disabled(dev_priv, pipe); | |
1937 | ||
ab9412ba | 1938 | reg = PCH_TRANSCONF(pipe); |
040484af JB |
1939 | val = I915_READ(reg); |
1940 | val &= ~TRANS_ENABLE; | |
1941 | I915_WRITE(reg, val); | |
1942 | /* wait for PCH transcoder off, transcoder state */ | |
1943 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) | |
4bb6f1f3 | 1944 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
23670b32 | 1945 | |
c465613b | 1946 | if (HAS_PCH_CPT(dev)) { |
23670b32 DV |
1947 | /* Workaround: Clear the timing override chicken bit again. */ |
1948 | reg = TRANS_CHICKEN2(pipe); | |
1949 | val = I915_READ(reg); | |
1950 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1951 | I915_WRITE(reg, val); | |
1952 | } | |
040484af JB |
1953 | } |
1954 | ||
ab4d966c | 1955 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
8fb033d7 | 1956 | { |
8fb033d7 PZ |
1957 | u32 val; |
1958 | ||
ab9412ba | 1959 | val = I915_READ(LPT_TRANSCONF); |
8fb033d7 | 1960 | val &= ~TRANS_ENABLE; |
ab9412ba | 1961 | I915_WRITE(LPT_TRANSCONF, val); |
8fb033d7 | 1962 | /* wait for PCH transcoder off, transcoder state */ |
ab9412ba | 1963 | if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) |
8a52fd9f | 1964 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
223a6fdf PZ |
1965 | |
1966 | /* Workaround: clear timing override bit. */ | |
36c0d0cf | 1967 | val = I915_READ(TRANS_CHICKEN2(PIPE_A)); |
23670b32 | 1968 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
36c0d0cf | 1969 | I915_WRITE(TRANS_CHICKEN2(PIPE_A), val); |
040484af JB |
1970 | } |
1971 | ||
b24e7179 | 1972 | /** |
309cfea8 | 1973 | * intel_enable_pipe - enable a pipe, asserting requirements |
0372264a | 1974 | * @crtc: crtc responsible for the pipe |
b24e7179 | 1975 | * |
0372264a | 1976 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
b24e7179 | 1977 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
b24e7179 | 1978 | */ |
e1fdc473 | 1979 | static void intel_enable_pipe(struct intel_crtc *crtc) |
b24e7179 | 1980 | { |
0372264a PZ |
1981 | struct drm_device *dev = crtc->base.dev; |
1982 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1983 | enum pipe pipe = crtc->pipe; | |
1a70a728 | 1984 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
1a240d4d | 1985 | enum pipe pch_transcoder; |
f0f59a00 | 1986 | i915_reg_t reg; |
b24e7179 JB |
1987 | u32 val; |
1988 | ||
9e2ee2dd VS |
1989 | DRM_DEBUG_KMS("enabling pipe %c\n", pipe_name(pipe)); |
1990 | ||
58c6eaa2 | 1991 | assert_planes_disabled(dev_priv, pipe); |
93ce0ba6 | 1992 | assert_cursor_disabled(dev_priv, pipe); |
58c6eaa2 DV |
1993 | assert_sprites_disabled(dev_priv, pipe); |
1994 | ||
681e5811 | 1995 | if (HAS_PCH_LPT(dev_priv->dev)) |
cc391bbb PZ |
1996 | pch_transcoder = TRANSCODER_A; |
1997 | else | |
1998 | pch_transcoder = pipe; | |
1999 | ||
b24e7179 JB |
2000 | /* |
2001 | * A pipe without a PLL won't actually be able to drive bits from | |
2002 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't | |
2003 | * need the check. | |
2004 | */ | |
50360403 | 2005 | if (HAS_GMCH_DISPLAY(dev_priv->dev)) |
a65347ba | 2006 | if (crtc->config->has_dsi_encoder) |
23538ef1 JN |
2007 | assert_dsi_pll_enabled(dev_priv); |
2008 | else | |
2009 | assert_pll_enabled(dev_priv, pipe); | |
040484af | 2010 | else { |
6e3c9717 | 2011 | if (crtc->config->has_pch_encoder) { |
040484af | 2012 | /* if driving the PCH, we need FDI enabled */ |
cc391bbb | 2013 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
1a240d4d DV |
2014 | assert_fdi_tx_pll_enabled(dev_priv, |
2015 | (enum pipe) cpu_transcoder); | |
040484af JB |
2016 | } |
2017 | /* FIXME: assert CPU port conditions for SNB+ */ | |
2018 | } | |
b24e7179 | 2019 | |
702e7a56 | 2020 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2021 | val = I915_READ(reg); |
7ad25d48 | 2022 | if (val & PIPECONF_ENABLE) { |
b6b5d049 VS |
2023 | WARN_ON(!((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
2024 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE))); | |
00d70b15 | 2025 | return; |
7ad25d48 | 2026 | } |
00d70b15 CW |
2027 | |
2028 | I915_WRITE(reg, val | PIPECONF_ENABLE); | |
851855d8 | 2029 | POSTING_READ(reg); |
b7792d8b VS |
2030 | |
2031 | /* | |
2032 | * Until the pipe starts DSL will read as 0, which would cause | |
2033 | * an apparent vblank timestamp jump, which messes up also the | |
2034 | * frame count when it's derived from the timestamps. So let's | |
2035 | * wait for the pipe to start properly before we call | |
2036 | * drm_crtc_vblank_on() | |
2037 | */ | |
2038 | if (dev->max_vblank_count == 0 && | |
2039 | wait_for(intel_get_crtc_scanline(crtc) != crtc->scanline_offset, 50)) | |
2040 | DRM_ERROR("pipe %c didn't start\n", pipe_name(pipe)); | |
b24e7179 JB |
2041 | } |
2042 | ||
2043 | /** | |
309cfea8 | 2044 | * intel_disable_pipe - disable a pipe, asserting requirements |
575f7ab7 | 2045 | * @crtc: crtc whose pipes is to be disabled |
b24e7179 | 2046 | * |
575f7ab7 VS |
2047 | * Disable the pipe of @crtc, making sure that various hardware |
2048 | * specific requirements are met, if applicable, e.g. plane | |
2049 | * disabled, panel fitter off, etc. | |
b24e7179 JB |
2050 | * |
2051 | * Will wait until the pipe has shut down before returning. | |
2052 | */ | |
575f7ab7 | 2053 | static void intel_disable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2054 | { |
575f7ab7 | 2055 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
6e3c9717 | 2056 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 2057 | enum pipe pipe = crtc->pipe; |
f0f59a00 | 2058 | i915_reg_t reg; |
b24e7179 JB |
2059 | u32 val; |
2060 | ||
9e2ee2dd VS |
2061 | DRM_DEBUG_KMS("disabling pipe %c\n", pipe_name(pipe)); |
2062 | ||
b24e7179 JB |
2063 | /* |
2064 | * Make sure planes won't keep trying to pump pixels to us, | |
2065 | * or we might hang the display. | |
2066 | */ | |
2067 | assert_planes_disabled(dev_priv, pipe); | |
93ce0ba6 | 2068 | assert_cursor_disabled(dev_priv, pipe); |
19332d7a | 2069 | assert_sprites_disabled(dev_priv, pipe); |
b24e7179 | 2070 | |
702e7a56 | 2071 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2072 | val = I915_READ(reg); |
00d70b15 CW |
2073 | if ((val & PIPECONF_ENABLE) == 0) |
2074 | return; | |
2075 | ||
67adc644 VS |
2076 | /* |
2077 | * Double wide has implications for planes | |
2078 | * so best keep it disabled when not needed. | |
2079 | */ | |
6e3c9717 | 2080 | if (crtc->config->double_wide) |
67adc644 VS |
2081 | val &= ~PIPECONF_DOUBLE_WIDE; |
2082 | ||
2083 | /* Don't disable pipe or pipe PLLs if needed */ | |
b6b5d049 VS |
2084 | if (!(pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) && |
2085 | !(pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
67adc644 VS |
2086 | val &= ~PIPECONF_ENABLE; |
2087 | ||
2088 | I915_WRITE(reg, val); | |
2089 | if ((val & PIPECONF_ENABLE) == 0) | |
2090 | intel_wait_for_pipe_off(crtc); | |
b24e7179 JB |
2091 | } |
2092 | ||
693db184 CW |
2093 | static bool need_vtd_wa(struct drm_device *dev) |
2094 | { | |
2095 | #ifdef CONFIG_INTEL_IOMMU | |
2096 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) | |
2097 | return true; | |
2098 | #endif | |
2099 | return false; | |
2100 | } | |
2101 | ||
832be82f VS |
2102 | static unsigned int intel_tile_size(const struct drm_i915_private *dev_priv) |
2103 | { | |
2104 | return IS_GEN2(dev_priv) ? 2048 : 4096; | |
2105 | } | |
2106 | ||
27ba3910 VS |
2107 | static unsigned int intel_tile_width_bytes(const struct drm_i915_private *dev_priv, |
2108 | uint64_t fb_modifier, unsigned int cpp) | |
7b49f948 VS |
2109 | { |
2110 | switch (fb_modifier) { | |
2111 | case DRM_FORMAT_MOD_NONE: | |
2112 | return cpp; | |
2113 | case I915_FORMAT_MOD_X_TILED: | |
2114 | if (IS_GEN2(dev_priv)) | |
2115 | return 128; | |
2116 | else | |
2117 | return 512; | |
2118 | case I915_FORMAT_MOD_Y_TILED: | |
2119 | if (IS_GEN2(dev_priv) || HAS_128_BYTE_Y_TILING(dev_priv)) | |
2120 | return 128; | |
2121 | else | |
2122 | return 512; | |
2123 | case I915_FORMAT_MOD_Yf_TILED: | |
2124 | switch (cpp) { | |
2125 | case 1: | |
2126 | return 64; | |
2127 | case 2: | |
2128 | case 4: | |
2129 | return 128; | |
2130 | case 8: | |
2131 | case 16: | |
2132 | return 256; | |
2133 | default: | |
2134 | MISSING_CASE(cpp); | |
2135 | return cpp; | |
2136 | } | |
2137 | break; | |
2138 | default: | |
2139 | MISSING_CASE(fb_modifier); | |
2140 | return cpp; | |
2141 | } | |
2142 | } | |
2143 | ||
832be82f VS |
2144 | unsigned int intel_tile_height(const struct drm_i915_private *dev_priv, |
2145 | uint64_t fb_modifier, unsigned int cpp) | |
a57ce0b2 | 2146 | { |
832be82f VS |
2147 | if (fb_modifier == DRM_FORMAT_MOD_NONE) |
2148 | return 1; | |
2149 | else | |
2150 | return intel_tile_size(dev_priv) / | |
27ba3910 | 2151 | intel_tile_width_bytes(dev_priv, fb_modifier, cpp); |
6761dd31 TU |
2152 | } |
2153 | ||
8d0deca8 VS |
2154 | /* Return the tile dimensions in pixel units */ |
2155 | static void intel_tile_dims(const struct drm_i915_private *dev_priv, | |
2156 | unsigned int *tile_width, | |
2157 | unsigned int *tile_height, | |
2158 | uint64_t fb_modifier, | |
2159 | unsigned int cpp) | |
2160 | { | |
2161 | unsigned int tile_width_bytes = | |
2162 | intel_tile_width_bytes(dev_priv, fb_modifier, cpp); | |
2163 | ||
2164 | *tile_width = tile_width_bytes / cpp; | |
2165 | *tile_height = intel_tile_size(dev_priv) / tile_width_bytes; | |
2166 | } | |
2167 | ||
6761dd31 TU |
2168 | unsigned int |
2169 | intel_fb_align_height(struct drm_device *dev, unsigned int height, | |
832be82f | 2170 | uint32_t pixel_format, uint64_t fb_modifier) |
6761dd31 | 2171 | { |
832be82f VS |
2172 | unsigned int cpp = drm_format_plane_cpp(pixel_format, 0); |
2173 | unsigned int tile_height = intel_tile_height(to_i915(dev), fb_modifier, cpp); | |
2174 | ||
2175 | return ALIGN(height, tile_height); | |
a57ce0b2 JB |
2176 | } |
2177 | ||
1663b9d6 VS |
2178 | unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info) |
2179 | { | |
2180 | unsigned int size = 0; | |
2181 | int i; | |
2182 | ||
2183 | for (i = 0 ; i < ARRAY_SIZE(rot_info->plane); i++) | |
2184 | size += rot_info->plane[i].width * rot_info->plane[i].height; | |
2185 | ||
2186 | return size; | |
2187 | } | |
2188 | ||
75c82a53 | 2189 | static void |
3465c580 VS |
2190 | intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, |
2191 | const struct drm_framebuffer *fb, | |
2192 | unsigned int rotation) | |
f64b98cd | 2193 | { |
2d7a215f VS |
2194 | if (intel_rotation_90_or_270(rotation)) { |
2195 | *view = i915_ggtt_view_rotated; | |
2196 | view->params.rotated = to_intel_framebuffer(fb)->rot_info; | |
2197 | } else { | |
2198 | *view = i915_ggtt_view_normal; | |
2199 | } | |
2200 | } | |
50470bb0 | 2201 | |
2d7a215f VS |
2202 | static void |
2203 | intel_fill_fb_info(struct drm_i915_private *dev_priv, | |
2204 | struct drm_framebuffer *fb) | |
2205 | { | |
2206 | struct intel_rotation_info *info = &to_intel_framebuffer(fb)->rot_info; | |
2207 | unsigned int tile_size, tile_width, tile_height, cpp; | |
50470bb0 | 2208 | |
d9b3288e VS |
2209 | tile_size = intel_tile_size(dev_priv); |
2210 | ||
2211 | cpp = drm_format_plane_cpp(fb->pixel_format, 0); | |
8d0deca8 VS |
2212 | intel_tile_dims(dev_priv, &tile_width, &tile_height, |
2213 | fb->modifier[0], cpp); | |
d9b3288e | 2214 | |
1663b9d6 VS |
2215 | info->plane[0].width = DIV_ROUND_UP(fb->pitches[0], tile_width * cpp); |
2216 | info->plane[0].height = DIV_ROUND_UP(fb->height, tile_height); | |
84fe03f7 | 2217 | |
89e3e142 | 2218 | if (info->pixel_format == DRM_FORMAT_NV12) { |
832be82f | 2219 | cpp = drm_format_plane_cpp(fb->pixel_format, 1); |
8d0deca8 VS |
2220 | intel_tile_dims(dev_priv, &tile_width, &tile_height, |
2221 | fb->modifier[1], cpp); | |
d9b3288e | 2222 | |
2d7a215f | 2223 | info->uv_offset = fb->offsets[1]; |
1663b9d6 VS |
2224 | info->plane[1].width = DIV_ROUND_UP(fb->pitches[1], tile_width * cpp); |
2225 | info->plane[1].height = DIV_ROUND_UP(fb->height / 2, tile_height); | |
89e3e142 | 2226 | } |
f64b98cd TU |
2227 | } |
2228 | ||
603525d7 | 2229 | static unsigned int intel_linear_alignment(const struct drm_i915_private *dev_priv) |
4e9a86b6 VS |
2230 | { |
2231 | if (INTEL_INFO(dev_priv)->gen >= 9) | |
2232 | return 256 * 1024; | |
985b8bb4 | 2233 | else if (IS_BROADWATER(dev_priv) || IS_CRESTLINE(dev_priv) || |
666a4537 | 2234 | IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
4e9a86b6 VS |
2235 | return 128 * 1024; |
2236 | else if (INTEL_INFO(dev_priv)->gen >= 4) | |
2237 | return 4 * 1024; | |
2238 | else | |
44c5905e | 2239 | return 0; |
4e9a86b6 VS |
2240 | } |
2241 | ||
603525d7 VS |
2242 | static unsigned int intel_surf_alignment(const struct drm_i915_private *dev_priv, |
2243 | uint64_t fb_modifier) | |
2244 | { | |
2245 | switch (fb_modifier) { | |
2246 | case DRM_FORMAT_MOD_NONE: | |
2247 | return intel_linear_alignment(dev_priv); | |
2248 | case I915_FORMAT_MOD_X_TILED: | |
2249 | if (INTEL_INFO(dev_priv)->gen >= 9) | |
2250 | return 256 * 1024; | |
2251 | return 0; | |
2252 | case I915_FORMAT_MOD_Y_TILED: | |
2253 | case I915_FORMAT_MOD_Yf_TILED: | |
2254 | return 1 * 1024 * 1024; | |
2255 | default: | |
2256 | MISSING_CASE(fb_modifier); | |
2257 | return 0; | |
2258 | } | |
2259 | } | |
2260 | ||
127bd2ac | 2261 | int |
3465c580 VS |
2262 | intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, |
2263 | unsigned int rotation) | |
6b95a207 | 2264 | { |
850c4cdc | 2265 | struct drm_device *dev = fb->dev; |
ce453d81 | 2266 | struct drm_i915_private *dev_priv = dev->dev_private; |
850c4cdc | 2267 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd | 2268 | struct i915_ggtt_view view; |
6b95a207 KH |
2269 | u32 alignment; |
2270 | int ret; | |
2271 | ||
ebcdd39e MR |
2272 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
2273 | ||
603525d7 | 2274 | alignment = intel_surf_alignment(dev_priv, fb->modifier[0]); |
6b95a207 | 2275 | |
3465c580 | 2276 | intel_fill_fb_ggtt_view(&view, fb, rotation); |
f64b98cd | 2277 | |
693db184 CW |
2278 | /* Note that the w/a also requires 64 PTE of padding following the |
2279 | * bo. We currently fill all unused PTE with the shadow page and so | |
2280 | * we should always have valid PTE following the scanout preventing | |
2281 | * the VT-d warning. | |
2282 | */ | |
2283 | if (need_vtd_wa(dev) && alignment < 256 * 1024) | |
2284 | alignment = 256 * 1024; | |
2285 | ||
d6dd6843 PZ |
2286 | /* |
2287 | * Global gtt pte registers are special registers which actually forward | |
2288 | * writes to a chunk of system memory. Which means that there is no risk | |
2289 | * that the register values disappear as soon as we call | |
2290 | * intel_runtime_pm_put(), so it is correct to wrap only the | |
2291 | * pin/unpin/fence and not more. | |
2292 | */ | |
2293 | intel_runtime_pm_get(dev_priv); | |
2294 | ||
7580d774 ML |
2295 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, |
2296 | &view); | |
48b956c5 | 2297 | if (ret) |
b26a6b35 | 2298 | goto err_pm; |
6b95a207 KH |
2299 | |
2300 | /* Install a fence for tiled scan-out. Pre-i965 always needs a | |
2301 | * fence, whereas 965+ only requires a fence if using | |
2302 | * framebuffer compression. For simplicity, we always install | |
2303 | * a fence as the cost is not that onerous. | |
2304 | */ | |
9807216f VK |
2305 | if (view.type == I915_GGTT_VIEW_NORMAL) { |
2306 | ret = i915_gem_object_get_fence(obj); | |
2307 | if (ret == -EDEADLK) { | |
2308 | /* | |
2309 | * -EDEADLK means there are no free fences | |
2310 | * no pending flips. | |
2311 | * | |
2312 | * This is propagated to atomic, but it uses | |
2313 | * -EDEADLK to force a locking recovery, so | |
2314 | * change the returned error to -EBUSY. | |
2315 | */ | |
2316 | ret = -EBUSY; | |
2317 | goto err_unpin; | |
2318 | } else if (ret) | |
2319 | goto err_unpin; | |
1690e1eb | 2320 | |
9807216f VK |
2321 | i915_gem_object_pin_fence(obj); |
2322 | } | |
6b95a207 | 2323 | |
d6dd6843 | 2324 | intel_runtime_pm_put(dev_priv); |
6b95a207 | 2325 | return 0; |
48b956c5 CW |
2326 | |
2327 | err_unpin: | |
f64b98cd | 2328 | i915_gem_object_unpin_from_display_plane(obj, &view); |
b26a6b35 | 2329 | err_pm: |
d6dd6843 | 2330 | intel_runtime_pm_put(dev_priv); |
48b956c5 | 2331 | return ret; |
6b95a207 KH |
2332 | } |
2333 | ||
3465c580 | 2334 | static void intel_unpin_fb_obj(struct drm_framebuffer *fb, unsigned int rotation) |
1690e1eb | 2335 | { |
82bc3b2d | 2336 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd | 2337 | struct i915_ggtt_view view; |
82bc3b2d | 2338 | |
ebcdd39e MR |
2339 | WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex)); |
2340 | ||
3465c580 | 2341 | intel_fill_fb_ggtt_view(&view, fb, rotation); |
f64b98cd | 2342 | |
9807216f VK |
2343 | if (view.type == I915_GGTT_VIEW_NORMAL) |
2344 | i915_gem_object_unpin_fence(obj); | |
2345 | ||
f64b98cd | 2346 | i915_gem_object_unpin_from_display_plane(obj, &view); |
1690e1eb CW |
2347 | } |
2348 | ||
29cf9491 VS |
2349 | /* |
2350 | * Adjust the tile offset by moving the difference into | |
2351 | * the x/y offsets. | |
2352 | * | |
2353 | * Input tile dimensions and pitch must already be | |
2354 | * rotated to match x and y, and in pixel units. | |
2355 | */ | |
2356 | static u32 intel_adjust_tile_offset(int *x, int *y, | |
2357 | unsigned int tile_width, | |
2358 | unsigned int tile_height, | |
2359 | unsigned int tile_size, | |
2360 | unsigned int pitch_tiles, | |
2361 | u32 old_offset, | |
2362 | u32 new_offset) | |
2363 | { | |
2364 | unsigned int tiles; | |
2365 | ||
2366 | WARN_ON(old_offset & (tile_size - 1)); | |
2367 | WARN_ON(new_offset & (tile_size - 1)); | |
2368 | WARN_ON(new_offset > old_offset); | |
2369 | ||
2370 | tiles = (old_offset - new_offset) / tile_size; | |
2371 | ||
2372 | *y += tiles / pitch_tiles * tile_height; | |
2373 | *x += tiles % pitch_tiles * tile_width; | |
2374 | ||
2375 | return new_offset; | |
2376 | } | |
2377 | ||
8d0deca8 VS |
2378 | /* |
2379 | * Computes the linear offset to the base tile and adjusts | |
2380 | * x, y. bytes per pixel is assumed to be a power-of-two. | |
2381 | * | |
2382 | * In the 90/270 rotated case, x and y are assumed | |
2383 | * to be already rotated to match the rotated GTT view, and | |
2384 | * pitch is the tile_height aligned framebuffer height. | |
2385 | */ | |
4f2d9934 VS |
2386 | u32 intel_compute_tile_offset(int *x, int *y, |
2387 | const struct drm_framebuffer *fb, int plane, | |
8d0deca8 VS |
2388 | unsigned int pitch, |
2389 | unsigned int rotation) | |
c2c75131 | 2390 | { |
4f2d9934 VS |
2391 | const struct drm_i915_private *dev_priv = to_i915(fb->dev); |
2392 | uint64_t fb_modifier = fb->modifier[plane]; | |
2393 | unsigned int cpp = drm_format_plane_cpp(fb->pixel_format, plane); | |
29cf9491 VS |
2394 | u32 offset, offset_aligned, alignment; |
2395 | ||
2396 | alignment = intel_surf_alignment(dev_priv, fb_modifier); | |
2397 | if (alignment) | |
2398 | alignment--; | |
2399 | ||
b5c65338 | 2400 | if (fb_modifier != DRM_FORMAT_MOD_NONE) { |
8d0deca8 VS |
2401 | unsigned int tile_size, tile_width, tile_height; |
2402 | unsigned int tile_rows, tiles, pitch_tiles; | |
c2c75131 | 2403 | |
d843310d | 2404 | tile_size = intel_tile_size(dev_priv); |
8d0deca8 VS |
2405 | intel_tile_dims(dev_priv, &tile_width, &tile_height, |
2406 | fb_modifier, cpp); | |
2407 | ||
2408 | if (intel_rotation_90_or_270(rotation)) { | |
2409 | pitch_tiles = pitch / tile_height; | |
2410 | swap(tile_width, tile_height); | |
2411 | } else { | |
2412 | pitch_tiles = pitch / (tile_width * cpp); | |
2413 | } | |
d843310d VS |
2414 | |
2415 | tile_rows = *y / tile_height; | |
2416 | *y %= tile_height; | |
c2c75131 | 2417 | |
8d0deca8 VS |
2418 | tiles = *x / tile_width; |
2419 | *x %= tile_width; | |
bc752862 | 2420 | |
29cf9491 VS |
2421 | offset = (tile_rows * pitch_tiles + tiles) * tile_size; |
2422 | offset_aligned = offset & ~alignment; | |
bc752862 | 2423 | |
29cf9491 VS |
2424 | intel_adjust_tile_offset(x, y, tile_width, tile_height, |
2425 | tile_size, pitch_tiles, | |
2426 | offset, offset_aligned); | |
2427 | } else { | |
bc752862 | 2428 | offset = *y * pitch + *x * cpp; |
29cf9491 VS |
2429 | offset_aligned = offset & ~alignment; |
2430 | ||
4e9a86b6 VS |
2431 | *y = (offset & alignment) / pitch; |
2432 | *x = ((offset & alignment) - *y * pitch) / cpp; | |
bc752862 | 2433 | } |
29cf9491 VS |
2434 | |
2435 | return offset_aligned; | |
c2c75131 DV |
2436 | } |
2437 | ||
b35d63fa | 2438 | static int i9xx_format_to_fourcc(int format) |
46f297fb JB |
2439 | { |
2440 | switch (format) { | |
2441 | case DISPPLANE_8BPP: | |
2442 | return DRM_FORMAT_C8; | |
2443 | case DISPPLANE_BGRX555: | |
2444 | return DRM_FORMAT_XRGB1555; | |
2445 | case DISPPLANE_BGRX565: | |
2446 | return DRM_FORMAT_RGB565; | |
2447 | default: | |
2448 | case DISPPLANE_BGRX888: | |
2449 | return DRM_FORMAT_XRGB8888; | |
2450 | case DISPPLANE_RGBX888: | |
2451 | return DRM_FORMAT_XBGR8888; | |
2452 | case DISPPLANE_BGRX101010: | |
2453 | return DRM_FORMAT_XRGB2101010; | |
2454 | case DISPPLANE_RGBX101010: | |
2455 | return DRM_FORMAT_XBGR2101010; | |
2456 | } | |
2457 | } | |
2458 | ||
bc8d7dff DL |
2459 | static int skl_format_to_fourcc(int format, bool rgb_order, bool alpha) |
2460 | { | |
2461 | switch (format) { | |
2462 | case PLANE_CTL_FORMAT_RGB_565: | |
2463 | return DRM_FORMAT_RGB565; | |
2464 | default: | |
2465 | case PLANE_CTL_FORMAT_XRGB_8888: | |
2466 | if (rgb_order) { | |
2467 | if (alpha) | |
2468 | return DRM_FORMAT_ABGR8888; | |
2469 | else | |
2470 | return DRM_FORMAT_XBGR8888; | |
2471 | } else { | |
2472 | if (alpha) | |
2473 | return DRM_FORMAT_ARGB8888; | |
2474 | else | |
2475 | return DRM_FORMAT_XRGB8888; | |
2476 | } | |
2477 | case PLANE_CTL_FORMAT_XRGB_2101010: | |
2478 | if (rgb_order) | |
2479 | return DRM_FORMAT_XBGR2101010; | |
2480 | else | |
2481 | return DRM_FORMAT_XRGB2101010; | |
2482 | } | |
2483 | } | |
2484 | ||
5724dbd1 | 2485 | static bool |
f6936e29 DV |
2486 | intel_alloc_initial_plane_obj(struct intel_crtc *crtc, |
2487 | struct intel_initial_plane_config *plane_config) | |
46f297fb JB |
2488 | { |
2489 | struct drm_device *dev = crtc->base.dev; | |
3badb49f | 2490 | struct drm_i915_private *dev_priv = to_i915(dev); |
46f297fb JB |
2491 | struct drm_i915_gem_object *obj = NULL; |
2492 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; | |
2d14030b | 2493 | struct drm_framebuffer *fb = &plane_config->fb->base; |
f37b5c2b DV |
2494 | u32 base_aligned = round_down(plane_config->base, PAGE_SIZE); |
2495 | u32 size_aligned = round_up(plane_config->base + plane_config->size, | |
2496 | PAGE_SIZE); | |
2497 | ||
2498 | size_aligned -= base_aligned; | |
46f297fb | 2499 | |
ff2652ea CW |
2500 | if (plane_config->size == 0) |
2501 | return false; | |
2502 | ||
3badb49f PZ |
2503 | /* If the FB is too big, just don't use it since fbdev is not very |
2504 | * important and we should probably use that space with FBC or other | |
2505 | * features. */ | |
2506 | if (size_aligned * 2 > dev_priv->gtt.stolen_usable_size) | |
2507 | return false; | |
2508 | ||
12c83d99 TU |
2509 | mutex_lock(&dev->struct_mutex); |
2510 | ||
f37b5c2b DV |
2511 | obj = i915_gem_object_create_stolen_for_preallocated(dev, |
2512 | base_aligned, | |
2513 | base_aligned, | |
2514 | size_aligned); | |
12c83d99 TU |
2515 | if (!obj) { |
2516 | mutex_unlock(&dev->struct_mutex); | |
484b41dd | 2517 | return false; |
12c83d99 | 2518 | } |
46f297fb | 2519 | |
49af449b DL |
2520 | obj->tiling_mode = plane_config->tiling; |
2521 | if (obj->tiling_mode == I915_TILING_X) | |
6bf129df | 2522 | obj->stride = fb->pitches[0]; |
46f297fb | 2523 | |
6bf129df DL |
2524 | mode_cmd.pixel_format = fb->pixel_format; |
2525 | mode_cmd.width = fb->width; | |
2526 | mode_cmd.height = fb->height; | |
2527 | mode_cmd.pitches[0] = fb->pitches[0]; | |
18c5247e DV |
2528 | mode_cmd.modifier[0] = fb->modifier[0]; |
2529 | mode_cmd.flags = DRM_MODE_FB_MODIFIERS; | |
46f297fb | 2530 | |
6bf129df | 2531 | if (intel_framebuffer_init(dev, to_intel_framebuffer(fb), |
484b41dd | 2532 | &mode_cmd, obj)) { |
46f297fb JB |
2533 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2534 | goto out_unref_obj; | |
2535 | } | |
12c83d99 | 2536 | |
46f297fb | 2537 | mutex_unlock(&dev->struct_mutex); |
484b41dd | 2538 | |
f6936e29 | 2539 | DRM_DEBUG_KMS("initial plane fb obj %p\n", obj); |
484b41dd | 2540 | return true; |
46f297fb JB |
2541 | |
2542 | out_unref_obj: | |
2543 | drm_gem_object_unreference(&obj->base); | |
2544 | mutex_unlock(&dev->struct_mutex); | |
484b41dd JB |
2545 | return false; |
2546 | } | |
2547 | ||
afd65eb4 MR |
2548 | /* Update plane->state->fb to match plane->fb after driver-internal updates */ |
2549 | static void | |
2550 | update_state_fb(struct drm_plane *plane) | |
2551 | { | |
2552 | if (plane->fb == plane->state->fb) | |
2553 | return; | |
2554 | ||
2555 | if (plane->state->fb) | |
2556 | drm_framebuffer_unreference(plane->state->fb); | |
2557 | plane->state->fb = plane->fb; | |
2558 | if (plane->state->fb) | |
2559 | drm_framebuffer_reference(plane->state->fb); | |
2560 | } | |
2561 | ||
5724dbd1 | 2562 | static void |
f6936e29 DV |
2563 | intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, |
2564 | struct intel_initial_plane_config *plane_config) | |
484b41dd JB |
2565 | { |
2566 | struct drm_device *dev = intel_crtc->base.dev; | |
d9ceb816 | 2567 | struct drm_i915_private *dev_priv = dev->dev_private; |
484b41dd JB |
2568 | struct drm_crtc *c; |
2569 | struct intel_crtc *i; | |
2ff8fde1 | 2570 | struct drm_i915_gem_object *obj; |
88595ac9 | 2571 | struct drm_plane *primary = intel_crtc->base.primary; |
be5651f2 | 2572 | struct drm_plane_state *plane_state = primary->state; |
200757f5 MR |
2573 | struct drm_crtc_state *crtc_state = intel_crtc->base.state; |
2574 | struct intel_plane *intel_plane = to_intel_plane(primary); | |
0a8d8a86 MR |
2575 | struct intel_plane_state *intel_state = |
2576 | to_intel_plane_state(plane_state); | |
88595ac9 | 2577 | struct drm_framebuffer *fb; |
484b41dd | 2578 | |
2d14030b | 2579 | if (!plane_config->fb) |
484b41dd JB |
2580 | return; |
2581 | ||
f6936e29 | 2582 | if (intel_alloc_initial_plane_obj(intel_crtc, plane_config)) { |
88595ac9 DV |
2583 | fb = &plane_config->fb->base; |
2584 | goto valid_fb; | |
f55548b5 | 2585 | } |
484b41dd | 2586 | |
2d14030b | 2587 | kfree(plane_config->fb); |
484b41dd JB |
2588 | |
2589 | /* | |
2590 | * Failed to alloc the obj, check to see if we should share | |
2591 | * an fb with another CRTC instead | |
2592 | */ | |
70e1e0ec | 2593 | for_each_crtc(dev, c) { |
484b41dd JB |
2594 | i = to_intel_crtc(c); |
2595 | ||
2596 | if (c == &intel_crtc->base) | |
2597 | continue; | |
2598 | ||
2ff8fde1 MR |
2599 | if (!i->active) |
2600 | continue; | |
2601 | ||
88595ac9 DV |
2602 | fb = c->primary->fb; |
2603 | if (!fb) | |
484b41dd JB |
2604 | continue; |
2605 | ||
88595ac9 | 2606 | obj = intel_fb_obj(fb); |
2ff8fde1 | 2607 | if (i915_gem_obj_ggtt_offset(obj) == plane_config->base) { |
88595ac9 DV |
2608 | drm_framebuffer_reference(fb); |
2609 | goto valid_fb; | |
484b41dd JB |
2610 | } |
2611 | } | |
88595ac9 | 2612 | |
200757f5 MR |
2613 | /* |
2614 | * We've failed to reconstruct the BIOS FB. Current display state | |
2615 | * indicates that the primary plane is visible, but has a NULL FB, | |
2616 | * which will lead to problems later if we don't fix it up. The | |
2617 | * simplest solution is to just disable the primary plane now and | |
2618 | * pretend the BIOS never had it enabled. | |
2619 | */ | |
2620 | to_intel_plane_state(plane_state)->visible = false; | |
2621 | crtc_state->plane_mask &= ~(1 << drm_plane_index(primary)); | |
2622a081 | 2622 | intel_pre_disable_primary_noatomic(&intel_crtc->base); |
200757f5 MR |
2623 | intel_plane->disable_plane(primary, &intel_crtc->base); |
2624 | ||
88595ac9 DV |
2625 | return; |
2626 | ||
2627 | valid_fb: | |
f44e2659 VS |
2628 | plane_state->src_x = 0; |
2629 | plane_state->src_y = 0; | |
be5651f2 ML |
2630 | plane_state->src_w = fb->width << 16; |
2631 | plane_state->src_h = fb->height << 16; | |
2632 | ||
f44e2659 VS |
2633 | plane_state->crtc_x = 0; |
2634 | plane_state->crtc_y = 0; | |
be5651f2 ML |
2635 | plane_state->crtc_w = fb->width; |
2636 | plane_state->crtc_h = fb->height; | |
2637 | ||
0a8d8a86 MR |
2638 | intel_state->src.x1 = plane_state->src_x; |
2639 | intel_state->src.y1 = plane_state->src_y; | |
2640 | intel_state->src.x2 = plane_state->src_x + plane_state->src_w; | |
2641 | intel_state->src.y2 = plane_state->src_y + plane_state->src_h; | |
2642 | intel_state->dst.x1 = plane_state->crtc_x; | |
2643 | intel_state->dst.y1 = plane_state->crtc_y; | |
2644 | intel_state->dst.x2 = plane_state->crtc_x + plane_state->crtc_w; | |
2645 | intel_state->dst.y2 = plane_state->crtc_y + plane_state->crtc_h; | |
2646 | ||
88595ac9 DV |
2647 | obj = intel_fb_obj(fb); |
2648 | if (obj->tiling_mode != I915_TILING_NONE) | |
2649 | dev_priv->preserve_bios_swizzle = true; | |
2650 | ||
be5651f2 ML |
2651 | drm_framebuffer_reference(fb); |
2652 | primary->fb = primary->state->fb = fb; | |
36750f28 | 2653 | primary->crtc = primary->state->crtc = &intel_crtc->base; |
36750f28 | 2654 | intel_crtc->base.state->plane_mask |= (1 << drm_plane_index(primary)); |
a9ff8714 | 2655 | obj->frontbuffer_bits |= to_intel_plane(primary)->frontbuffer_bit; |
46f297fb JB |
2656 | } |
2657 | ||
a8d201af ML |
2658 | static void i9xx_update_primary_plane(struct drm_plane *primary, |
2659 | const struct intel_crtc_state *crtc_state, | |
2660 | const struct intel_plane_state *plane_state) | |
81255565 | 2661 | { |
a8d201af | 2662 | struct drm_device *dev = primary->dev; |
81255565 | 2663 | struct drm_i915_private *dev_priv = dev->dev_private; |
a8d201af ML |
2664 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
2665 | struct drm_framebuffer *fb = plane_state->base.fb; | |
2666 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
81255565 | 2667 | int plane = intel_crtc->plane; |
54ea9da8 | 2668 | u32 linear_offset; |
81255565 | 2669 | u32 dspcntr; |
f0f59a00 | 2670 | i915_reg_t reg = DSPCNTR(plane); |
8d0deca8 | 2671 | unsigned int rotation = plane_state->base.rotation; |
ac484963 | 2672 | int cpp = drm_format_plane_cpp(fb->pixel_format, 0); |
54ea9da8 VS |
2673 | int x = plane_state->src.x1 >> 16; |
2674 | int y = plane_state->src.y1 >> 16; | |
c9ba6fad | 2675 | |
f45651ba VS |
2676 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2677 | ||
fdd508a6 | 2678 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2679 | |
2680 | if (INTEL_INFO(dev)->gen < 4) { | |
2681 | if (intel_crtc->pipe == PIPE_B) | |
2682 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
2683 | ||
2684 | /* pipesrc and dspsize control the size that is scaled from, | |
2685 | * which should always be the user's requested size. | |
2686 | */ | |
2687 | I915_WRITE(DSPSIZE(plane), | |
a8d201af ML |
2688 | ((crtc_state->pipe_src_h - 1) << 16) | |
2689 | (crtc_state->pipe_src_w - 1)); | |
f45651ba | 2690 | I915_WRITE(DSPPOS(plane), 0); |
c14b0485 VS |
2691 | } else if (IS_CHERRYVIEW(dev) && plane == PLANE_B) { |
2692 | I915_WRITE(PRIMSIZE(plane), | |
a8d201af ML |
2693 | ((crtc_state->pipe_src_h - 1) << 16) | |
2694 | (crtc_state->pipe_src_w - 1)); | |
c14b0485 VS |
2695 | I915_WRITE(PRIMPOS(plane), 0); |
2696 | I915_WRITE(PRIMCNSTALPHA(plane), 0); | |
f45651ba | 2697 | } |
81255565 | 2698 | |
57779d06 VS |
2699 | switch (fb->pixel_format) { |
2700 | case DRM_FORMAT_C8: | |
81255565 JB |
2701 | dspcntr |= DISPPLANE_8BPP; |
2702 | break; | |
57779d06 | 2703 | case DRM_FORMAT_XRGB1555: |
57779d06 | 2704 | dspcntr |= DISPPLANE_BGRX555; |
81255565 | 2705 | break; |
57779d06 VS |
2706 | case DRM_FORMAT_RGB565: |
2707 | dspcntr |= DISPPLANE_BGRX565; | |
2708 | break; | |
2709 | case DRM_FORMAT_XRGB8888: | |
57779d06 VS |
2710 | dspcntr |= DISPPLANE_BGRX888; |
2711 | break; | |
2712 | case DRM_FORMAT_XBGR8888: | |
57779d06 VS |
2713 | dspcntr |= DISPPLANE_RGBX888; |
2714 | break; | |
2715 | case DRM_FORMAT_XRGB2101010: | |
57779d06 VS |
2716 | dspcntr |= DISPPLANE_BGRX101010; |
2717 | break; | |
2718 | case DRM_FORMAT_XBGR2101010: | |
57779d06 | 2719 | dspcntr |= DISPPLANE_RGBX101010; |
81255565 JB |
2720 | break; |
2721 | default: | |
baba133a | 2722 | BUG(); |
81255565 | 2723 | } |
57779d06 | 2724 | |
f45651ba VS |
2725 | if (INTEL_INFO(dev)->gen >= 4 && |
2726 | obj->tiling_mode != I915_TILING_NONE) | |
2727 | dspcntr |= DISPPLANE_TILED; | |
81255565 | 2728 | |
de1aa629 VS |
2729 | if (IS_G4X(dev)) |
2730 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
2731 | ||
ac484963 | 2732 | linear_offset = y * fb->pitches[0] + x * cpp; |
81255565 | 2733 | |
c2c75131 DV |
2734 | if (INTEL_INFO(dev)->gen >= 4) { |
2735 | intel_crtc->dspaddr_offset = | |
4f2d9934 | 2736 | intel_compute_tile_offset(&x, &y, fb, 0, |
8d0deca8 | 2737 | fb->pitches[0], rotation); |
c2c75131 DV |
2738 | linear_offset -= intel_crtc->dspaddr_offset; |
2739 | } else { | |
e506a0c6 | 2740 | intel_crtc->dspaddr_offset = linear_offset; |
c2c75131 | 2741 | } |
e506a0c6 | 2742 | |
8d0deca8 | 2743 | if (rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2744 | dspcntr |= DISPPLANE_ROTATE_180; |
2745 | ||
a8d201af ML |
2746 | x += (crtc_state->pipe_src_w - 1); |
2747 | y += (crtc_state->pipe_src_h - 1); | |
48404c1e SJ |
2748 | |
2749 | /* Finding the last pixel of the last line of the display | |
2750 | data and adding to linear_offset*/ | |
2751 | linear_offset += | |
a8d201af | 2752 | (crtc_state->pipe_src_h - 1) * fb->pitches[0] + |
ac484963 | 2753 | (crtc_state->pipe_src_w - 1) * cpp; |
48404c1e SJ |
2754 | } |
2755 | ||
2db3366b PZ |
2756 | intel_crtc->adjusted_x = x; |
2757 | intel_crtc->adjusted_y = y; | |
2758 | ||
48404c1e SJ |
2759 | I915_WRITE(reg, dspcntr); |
2760 | ||
01f2c773 | 2761 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
a6c45cf0 | 2762 | if (INTEL_INFO(dev)->gen >= 4) { |
85ba7b7d DV |
2763 | I915_WRITE(DSPSURF(plane), |
2764 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
5eddb70b | 2765 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
e506a0c6 | 2766 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
5eddb70b | 2767 | } else |
f343c5f6 | 2768 | I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); |
5eddb70b | 2769 | POSTING_READ(reg); |
17638cd6 JB |
2770 | } |
2771 | ||
a8d201af ML |
2772 | static void i9xx_disable_primary_plane(struct drm_plane *primary, |
2773 | struct drm_crtc *crtc) | |
17638cd6 JB |
2774 | { |
2775 | struct drm_device *dev = crtc->dev; | |
2776 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2777 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
17638cd6 | 2778 | int plane = intel_crtc->plane; |
f45651ba | 2779 | |
a8d201af ML |
2780 | I915_WRITE(DSPCNTR(plane), 0); |
2781 | if (INTEL_INFO(dev_priv)->gen >= 4) | |
fdd508a6 | 2782 | I915_WRITE(DSPSURF(plane), 0); |
a8d201af ML |
2783 | else |
2784 | I915_WRITE(DSPADDR(plane), 0); | |
2785 | POSTING_READ(DSPCNTR(plane)); | |
2786 | } | |
c9ba6fad | 2787 | |
a8d201af ML |
2788 | static void ironlake_update_primary_plane(struct drm_plane *primary, |
2789 | const struct intel_crtc_state *crtc_state, | |
2790 | const struct intel_plane_state *plane_state) | |
2791 | { | |
2792 | struct drm_device *dev = primary->dev; | |
2793 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2794 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); | |
2795 | struct drm_framebuffer *fb = plane_state->base.fb; | |
2796 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
2797 | int plane = intel_crtc->plane; | |
54ea9da8 | 2798 | u32 linear_offset; |
a8d201af ML |
2799 | u32 dspcntr; |
2800 | i915_reg_t reg = DSPCNTR(plane); | |
8d0deca8 | 2801 | unsigned int rotation = plane_state->base.rotation; |
ac484963 | 2802 | int cpp = drm_format_plane_cpp(fb->pixel_format, 0); |
a8d201af ML |
2803 | int x = plane_state->src.x1 >> 16; |
2804 | int y = plane_state->src.y1 >> 16; | |
c9ba6fad | 2805 | |
f45651ba | 2806 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
fdd508a6 | 2807 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2808 | |
2809 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
2810 | dspcntr |= DISPPLANE_PIPE_CSC_ENABLE; | |
17638cd6 | 2811 | |
57779d06 VS |
2812 | switch (fb->pixel_format) { |
2813 | case DRM_FORMAT_C8: | |
17638cd6 JB |
2814 | dspcntr |= DISPPLANE_8BPP; |
2815 | break; | |
57779d06 VS |
2816 | case DRM_FORMAT_RGB565: |
2817 | dspcntr |= DISPPLANE_BGRX565; | |
17638cd6 | 2818 | break; |
57779d06 | 2819 | case DRM_FORMAT_XRGB8888: |
57779d06 VS |
2820 | dspcntr |= DISPPLANE_BGRX888; |
2821 | break; | |
2822 | case DRM_FORMAT_XBGR8888: | |
57779d06 VS |
2823 | dspcntr |= DISPPLANE_RGBX888; |
2824 | break; | |
2825 | case DRM_FORMAT_XRGB2101010: | |
57779d06 VS |
2826 | dspcntr |= DISPPLANE_BGRX101010; |
2827 | break; | |
2828 | case DRM_FORMAT_XBGR2101010: | |
57779d06 | 2829 | dspcntr |= DISPPLANE_RGBX101010; |
17638cd6 JB |
2830 | break; |
2831 | default: | |
baba133a | 2832 | BUG(); |
17638cd6 JB |
2833 | } |
2834 | ||
2835 | if (obj->tiling_mode != I915_TILING_NONE) | |
2836 | dspcntr |= DISPPLANE_TILED; | |
17638cd6 | 2837 | |
f45651ba | 2838 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) |
1f5d76db | 2839 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
17638cd6 | 2840 | |
ac484963 | 2841 | linear_offset = y * fb->pitches[0] + x * cpp; |
c2c75131 | 2842 | intel_crtc->dspaddr_offset = |
4f2d9934 | 2843 | intel_compute_tile_offset(&x, &y, fb, 0, |
8d0deca8 | 2844 | fb->pitches[0], rotation); |
c2c75131 | 2845 | linear_offset -= intel_crtc->dspaddr_offset; |
8d0deca8 | 2846 | if (rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2847 | dspcntr |= DISPPLANE_ROTATE_180; |
2848 | ||
2849 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { | |
a8d201af ML |
2850 | x += (crtc_state->pipe_src_w - 1); |
2851 | y += (crtc_state->pipe_src_h - 1); | |
48404c1e SJ |
2852 | |
2853 | /* Finding the last pixel of the last line of the display | |
2854 | data and adding to linear_offset*/ | |
2855 | linear_offset += | |
a8d201af | 2856 | (crtc_state->pipe_src_h - 1) * fb->pitches[0] + |
ac484963 | 2857 | (crtc_state->pipe_src_w - 1) * cpp; |
48404c1e SJ |
2858 | } |
2859 | } | |
2860 | ||
2db3366b PZ |
2861 | intel_crtc->adjusted_x = x; |
2862 | intel_crtc->adjusted_y = y; | |
2863 | ||
48404c1e | 2864 | I915_WRITE(reg, dspcntr); |
17638cd6 | 2865 | |
01f2c773 | 2866 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
85ba7b7d DV |
2867 | I915_WRITE(DSPSURF(plane), |
2868 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
b3dc685e | 2869 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
bc1c91eb DL |
2870 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
2871 | } else { | |
2872 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); | |
2873 | I915_WRITE(DSPLINOFF(plane), linear_offset); | |
2874 | } | |
17638cd6 | 2875 | POSTING_READ(reg); |
17638cd6 JB |
2876 | } |
2877 | ||
7b49f948 VS |
2878 | u32 intel_fb_stride_alignment(const struct drm_i915_private *dev_priv, |
2879 | uint64_t fb_modifier, uint32_t pixel_format) | |
b321803d | 2880 | { |
7b49f948 | 2881 | if (fb_modifier == DRM_FORMAT_MOD_NONE) { |
b321803d | 2882 | return 64; |
7b49f948 VS |
2883 | } else { |
2884 | int cpp = drm_format_plane_cpp(pixel_format, 0); | |
2885 | ||
27ba3910 | 2886 | return intel_tile_width_bytes(dev_priv, fb_modifier, cpp); |
b321803d DL |
2887 | } |
2888 | } | |
2889 | ||
44eb0cb9 MK |
2890 | u32 intel_plane_obj_offset(struct intel_plane *intel_plane, |
2891 | struct drm_i915_gem_object *obj, | |
2892 | unsigned int plane) | |
121920fa | 2893 | { |
ce7f1728 | 2894 | struct i915_ggtt_view view; |
dedf278c | 2895 | struct i915_vma *vma; |
44eb0cb9 | 2896 | u64 offset; |
121920fa | 2897 | |
e7941294 | 2898 | intel_fill_fb_ggtt_view(&view, intel_plane->base.state->fb, |
3465c580 | 2899 | intel_plane->base.state->rotation); |
121920fa | 2900 | |
ce7f1728 | 2901 | vma = i915_gem_obj_to_ggtt_view(obj, &view); |
dedf278c | 2902 | if (WARN(!vma, "ggtt vma for display object not found! (view=%u)\n", |
ce7f1728 | 2903 | view.type)) |
dedf278c TU |
2904 | return -1; |
2905 | ||
44eb0cb9 | 2906 | offset = vma->node.start; |
dedf278c TU |
2907 | |
2908 | if (plane == 1) { | |
7723f47d | 2909 | offset += vma->ggtt_view.params.rotated.uv_start_page * |
dedf278c TU |
2910 | PAGE_SIZE; |
2911 | } | |
2912 | ||
44eb0cb9 MK |
2913 | WARN_ON(upper_32_bits(offset)); |
2914 | ||
2915 | return lower_32_bits(offset); | |
121920fa TU |
2916 | } |
2917 | ||
e435d6e5 ML |
2918 | static void skl_detach_scaler(struct intel_crtc *intel_crtc, int id) |
2919 | { | |
2920 | struct drm_device *dev = intel_crtc->base.dev; | |
2921 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2922 | ||
2923 | I915_WRITE(SKL_PS_CTRL(intel_crtc->pipe, id), 0); | |
2924 | I915_WRITE(SKL_PS_WIN_POS(intel_crtc->pipe, id), 0); | |
2925 | I915_WRITE(SKL_PS_WIN_SZ(intel_crtc->pipe, id), 0); | |
e435d6e5 ML |
2926 | } |
2927 | ||
a1b2278e CK |
2928 | /* |
2929 | * This function detaches (aka. unbinds) unused scalers in hardware | |
2930 | */ | |
0583236e | 2931 | static void skl_detach_scalers(struct intel_crtc *intel_crtc) |
a1b2278e | 2932 | { |
a1b2278e CK |
2933 | struct intel_crtc_scaler_state *scaler_state; |
2934 | int i; | |
2935 | ||
a1b2278e CK |
2936 | scaler_state = &intel_crtc->config->scaler_state; |
2937 | ||
2938 | /* loop through and disable scalers that aren't in use */ | |
2939 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
e435d6e5 ML |
2940 | if (!scaler_state->scalers[i].in_use) |
2941 | skl_detach_scaler(intel_crtc, i); | |
a1b2278e CK |
2942 | } |
2943 | } | |
2944 | ||
6156a456 | 2945 | u32 skl_plane_ctl_format(uint32_t pixel_format) |
70d21f0e | 2946 | { |
6156a456 | 2947 | switch (pixel_format) { |
d161cf7a | 2948 | case DRM_FORMAT_C8: |
c34ce3d1 | 2949 | return PLANE_CTL_FORMAT_INDEXED; |
70d21f0e | 2950 | case DRM_FORMAT_RGB565: |
c34ce3d1 | 2951 | return PLANE_CTL_FORMAT_RGB_565; |
70d21f0e | 2952 | case DRM_FORMAT_XBGR8888: |
c34ce3d1 | 2953 | return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX; |
6156a456 | 2954 | case DRM_FORMAT_XRGB8888: |
c34ce3d1 | 2955 | return PLANE_CTL_FORMAT_XRGB_8888; |
6156a456 CK |
2956 | /* |
2957 | * XXX: For ARBG/ABGR formats we default to expecting scanout buffers | |
2958 | * to be already pre-multiplied. We need to add a knob (or a different | |
2959 | * DRM_FORMAT) for user-space to configure that. | |
2960 | */ | |
f75fb42a | 2961 | case DRM_FORMAT_ABGR8888: |
c34ce3d1 | 2962 | return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX | |
6156a456 | 2963 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
6156a456 | 2964 | case DRM_FORMAT_ARGB8888: |
c34ce3d1 | 2965 | return PLANE_CTL_FORMAT_XRGB_8888 | |
6156a456 | 2966 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
70d21f0e | 2967 | case DRM_FORMAT_XRGB2101010: |
c34ce3d1 | 2968 | return PLANE_CTL_FORMAT_XRGB_2101010; |
70d21f0e | 2969 | case DRM_FORMAT_XBGR2101010: |
c34ce3d1 | 2970 | return PLANE_CTL_ORDER_RGBX | PLANE_CTL_FORMAT_XRGB_2101010; |
6156a456 | 2971 | case DRM_FORMAT_YUYV: |
c34ce3d1 | 2972 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV; |
6156a456 | 2973 | case DRM_FORMAT_YVYU: |
c34ce3d1 | 2974 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YVYU; |
6156a456 | 2975 | case DRM_FORMAT_UYVY: |
c34ce3d1 | 2976 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY; |
6156a456 | 2977 | case DRM_FORMAT_VYUY: |
c34ce3d1 | 2978 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY; |
70d21f0e | 2979 | default: |
4249eeef | 2980 | MISSING_CASE(pixel_format); |
70d21f0e | 2981 | } |
8cfcba41 | 2982 | |
c34ce3d1 | 2983 | return 0; |
6156a456 | 2984 | } |
70d21f0e | 2985 | |
6156a456 CK |
2986 | u32 skl_plane_ctl_tiling(uint64_t fb_modifier) |
2987 | { | |
6156a456 | 2988 | switch (fb_modifier) { |
30af77c4 | 2989 | case DRM_FORMAT_MOD_NONE: |
70d21f0e | 2990 | break; |
30af77c4 | 2991 | case I915_FORMAT_MOD_X_TILED: |
c34ce3d1 | 2992 | return PLANE_CTL_TILED_X; |
b321803d | 2993 | case I915_FORMAT_MOD_Y_TILED: |
c34ce3d1 | 2994 | return PLANE_CTL_TILED_Y; |
b321803d | 2995 | case I915_FORMAT_MOD_Yf_TILED: |
c34ce3d1 | 2996 | return PLANE_CTL_TILED_YF; |
70d21f0e | 2997 | default: |
6156a456 | 2998 | MISSING_CASE(fb_modifier); |
70d21f0e | 2999 | } |
8cfcba41 | 3000 | |
c34ce3d1 | 3001 | return 0; |
6156a456 | 3002 | } |
70d21f0e | 3003 | |
6156a456 CK |
3004 | u32 skl_plane_ctl_rotation(unsigned int rotation) |
3005 | { | |
3b7a5119 | 3006 | switch (rotation) { |
6156a456 CK |
3007 | case BIT(DRM_ROTATE_0): |
3008 | break; | |
1e8df167 SJ |
3009 | /* |
3010 | * DRM_ROTATE_ is counter clockwise to stay compatible with Xrandr | |
3011 | * while i915 HW rotation is clockwise, thats why this swapping. | |
3012 | */ | |
3b7a5119 | 3013 | case BIT(DRM_ROTATE_90): |
1e8df167 | 3014 | return PLANE_CTL_ROTATE_270; |
3b7a5119 | 3015 | case BIT(DRM_ROTATE_180): |
c34ce3d1 | 3016 | return PLANE_CTL_ROTATE_180; |
3b7a5119 | 3017 | case BIT(DRM_ROTATE_270): |
1e8df167 | 3018 | return PLANE_CTL_ROTATE_90; |
6156a456 CK |
3019 | default: |
3020 | MISSING_CASE(rotation); | |
3021 | } | |
3022 | ||
c34ce3d1 | 3023 | return 0; |
6156a456 CK |
3024 | } |
3025 | ||
a8d201af ML |
3026 | static void skylake_update_primary_plane(struct drm_plane *plane, |
3027 | const struct intel_crtc_state *crtc_state, | |
3028 | const struct intel_plane_state *plane_state) | |
6156a456 | 3029 | { |
a8d201af | 3030 | struct drm_device *dev = plane->dev; |
6156a456 | 3031 | struct drm_i915_private *dev_priv = dev->dev_private; |
a8d201af ML |
3032 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
3033 | struct drm_framebuffer *fb = plane_state->base.fb; | |
3034 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); | |
6156a456 CK |
3035 | int pipe = intel_crtc->pipe; |
3036 | u32 plane_ctl, stride_div, stride; | |
3037 | u32 tile_height, plane_offset, plane_size; | |
a8d201af | 3038 | unsigned int rotation = plane_state->base.rotation; |
6156a456 | 3039 | int x_offset, y_offset; |
44eb0cb9 | 3040 | u32 surf_addr; |
a8d201af ML |
3041 | int scaler_id = plane_state->scaler_id; |
3042 | int src_x = plane_state->src.x1 >> 16; | |
3043 | int src_y = plane_state->src.y1 >> 16; | |
3044 | int src_w = drm_rect_width(&plane_state->src) >> 16; | |
3045 | int src_h = drm_rect_height(&plane_state->src) >> 16; | |
3046 | int dst_x = plane_state->dst.x1; | |
3047 | int dst_y = plane_state->dst.y1; | |
3048 | int dst_w = drm_rect_width(&plane_state->dst); | |
3049 | int dst_h = drm_rect_height(&plane_state->dst); | |
70d21f0e | 3050 | |
6156a456 CK |
3051 | plane_ctl = PLANE_CTL_ENABLE | |
3052 | PLANE_CTL_PIPE_GAMMA_ENABLE | | |
3053 | PLANE_CTL_PIPE_CSC_ENABLE; | |
3054 | ||
3055 | plane_ctl |= skl_plane_ctl_format(fb->pixel_format); | |
3056 | plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]); | |
3057 | plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; | |
6156a456 CK |
3058 | plane_ctl |= skl_plane_ctl_rotation(rotation); |
3059 | ||
7b49f948 | 3060 | stride_div = intel_fb_stride_alignment(dev_priv, fb->modifier[0], |
b321803d | 3061 | fb->pixel_format); |
dedf278c | 3062 | surf_addr = intel_plane_obj_offset(to_intel_plane(plane), obj, 0); |
3b7a5119 | 3063 | |
a42e5a23 PZ |
3064 | WARN_ON(drm_rect_width(&plane_state->src) == 0); |
3065 | ||
3b7a5119 | 3066 | if (intel_rotation_90_or_270(rotation)) { |
832be82f VS |
3067 | int cpp = drm_format_plane_cpp(fb->pixel_format, 0); |
3068 | ||
3b7a5119 | 3069 | /* stride = Surface height in tiles */ |
832be82f | 3070 | tile_height = intel_tile_height(dev_priv, fb->modifier[0], cpp); |
3b7a5119 | 3071 | stride = DIV_ROUND_UP(fb->height, tile_height); |
a8d201af ML |
3072 | x_offset = stride * tile_height - src_y - src_h; |
3073 | y_offset = src_x; | |
6156a456 | 3074 | plane_size = (src_w - 1) << 16 | (src_h - 1); |
3b7a5119 SJ |
3075 | } else { |
3076 | stride = fb->pitches[0] / stride_div; | |
a8d201af ML |
3077 | x_offset = src_x; |
3078 | y_offset = src_y; | |
6156a456 | 3079 | plane_size = (src_h - 1) << 16 | (src_w - 1); |
3b7a5119 SJ |
3080 | } |
3081 | plane_offset = y_offset << 16 | x_offset; | |
b321803d | 3082 | |
2db3366b PZ |
3083 | intel_crtc->adjusted_x = x_offset; |
3084 | intel_crtc->adjusted_y = y_offset; | |
3085 | ||
70d21f0e | 3086 | I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl); |
3b7a5119 SJ |
3087 | I915_WRITE(PLANE_OFFSET(pipe, 0), plane_offset); |
3088 | I915_WRITE(PLANE_SIZE(pipe, 0), plane_size); | |
3089 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
6156a456 CK |
3090 | |
3091 | if (scaler_id >= 0) { | |
3092 | uint32_t ps_ctrl = 0; | |
3093 | ||
3094 | WARN_ON(!dst_w || !dst_h); | |
3095 | ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(0) | | |
3096 | crtc_state->scaler_state.scalers[scaler_id].mode; | |
3097 | I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl); | |
3098 | I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0); | |
3099 | I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (dst_x << 16) | dst_y); | |
3100 | I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id), (dst_w << 16) | dst_h); | |
3101 | I915_WRITE(PLANE_POS(pipe, 0), 0); | |
3102 | } else { | |
3103 | I915_WRITE(PLANE_POS(pipe, 0), (dst_y << 16) | dst_x); | |
3104 | } | |
3105 | ||
121920fa | 3106 | I915_WRITE(PLANE_SURF(pipe, 0), surf_addr); |
70d21f0e DL |
3107 | |
3108 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
3109 | } | |
3110 | ||
a8d201af ML |
3111 | static void skylake_disable_primary_plane(struct drm_plane *primary, |
3112 | struct drm_crtc *crtc) | |
17638cd6 JB |
3113 | { |
3114 | struct drm_device *dev = crtc->dev; | |
3115 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a8d201af | 3116 | int pipe = to_intel_crtc(crtc)->pipe; |
17638cd6 | 3117 | |
a8d201af ML |
3118 | I915_WRITE(PLANE_CTL(pipe, 0), 0); |
3119 | I915_WRITE(PLANE_SURF(pipe, 0), 0); | |
3120 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
3121 | } | |
29b9bde6 | 3122 | |
a8d201af ML |
3123 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
3124 | static int | |
3125 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
3126 | int x, int y, enum mode_set_atomic state) | |
3127 | { | |
3128 | /* Support for kgdboc is disabled, this needs a major rework. */ | |
3129 | DRM_ERROR("legacy panic handler not supported any more.\n"); | |
3130 | ||
3131 | return -ENODEV; | |
81255565 JB |
3132 | } |
3133 | ||
7514747d | 3134 | static void intel_complete_page_flips(struct drm_device *dev) |
96a02917 | 3135 | { |
96a02917 VS |
3136 | struct drm_crtc *crtc; |
3137 | ||
70e1e0ec | 3138 | for_each_crtc(dev, crtc) { |
96a02917 VS |
3139 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3140 | enum plane plane = intel_crtc->plane; | |
3141 | ||
3142 | intel_prepare_page_flip(dev, plane); | |
3143 | intel_finish_page_flip_plane(dev, plane); | |
3144 | } | |
7514747d VS |
3145 | } |
3146 | ||
3147 | static void intel_update_primary_planes(struct drm_device *dev) | |
3148 | { | |
7514747d | 3149 | struct drm_crtc *crtc; |
96a02917 | 3150 | |
70e1e0ec | 3151 | for_each_crtc(dev, crtc) { |
11c22da6 ML |
3152 | struct intel_plane *plane = to_intel_plane(crtc->primary); |
3153 | struct intel_plane_state *plane_state; | |
96a02917 | 3154 | |
11c22da6 | 3155 | drm_modeset_lock_crtc(crtc, &plane->base); |
11c22da6 ML |
3156 | plane_state = to_intel_plane_state(plane->base.state); |
3157 | ||
a8d201af ML |
3158 | if (plane_state->visible) |
3159 | plane->update_plane(&plane->base, | |
3160 | to_intel_crtc_state(crtc->state), | |
3161 | plane_state); | |
11c22da6 ML |
3162 | |
3163 | drm_modeset_unlock_crtc(crtc); | |
96a02917 VS |
3164 | } |
3165 | } | |
3166 | ||
7514747d VS |
3167 | void intel_prepare_reset(struct drm_device *dev) |
3168 | { | |
3169 | /* no reset support for gen2 */ | |
3170 | if (IS_GEN2(dev)) | |
3171 | return; | |
3172 | ||
3173 | /* reset doesn't touch the display */ | |
3174 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) | |
3175 | return; | |
3176 | ||
3177 | drm_modeset_lock_all(dev); | |
f98ce92f VS |
3178 | /* |
3179 | * Disabling the crtcs gracefully seems nicer. Also the | |
3180 | * g33 docs say we should at least disable all the planes. | |
3181 | */ | |
6b72d486 | 3182 | intel_display_suspend(dev); |
7514747d VS |
3183 | } |
3184 | ||
3185 | void intel_finish_reset(struct drm_device *dev) | |
3186 | { | |
3187 | struct drm_i915_private *dev_priv = to_i915(dev); | |
3188 | ||
3189 | /* | |
3190 | * Flips in the rings will be nuked by the reset, | |
3191 | * so complete all pending flips so that user space | |
3192 | * will get its events and not get stuck. | |
3193 | */ | |
3194 | intel_complete_page_flips(dev); | |
3195 | ||
3196 | /* no reset support for gen2 */ | |
3197 | if (IS_GEN2(dev)) | |
3198 | return; | |
3199 | ||
3200 | /* reset doesn't touch the display */ | |
3201 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) { | |
3202 | /* | |
3203 | * Flips in the rings have been nuked by the reset, | |
3204 | * so update the base address of all primary | |
3205 | * planes to the the last fb to make sure we're | |
3206 | * showing the correct fb after a reset. | |
11c22da6 ML |
3207 | * |
3208 | * FIXME: Atomic will make this obsolete since we won't schedule | |
3209 | * CS-based flips (which might get lost in gpu resets) any more. | |
7514747d VS |
3210 | */ |
3211 | intel_update_primary_planes(dev); | |
3212 | return; | |
3213 | } | |
3214 | ||
3215 | /* | |
3216 | * The display has been reset as well, | |
3217 | * so need a full re-initialization. | |
3218 | */ | |
3219 | intel_runtime_pm_disable_interrupts(dev_priv); | |
3220 | intel_runtime_pm_enable_interrupts(dev_priv); | |
3221 | ||
3222 | intel_modeset_init_hw(dev); | |
3223 | ||
3224 | spin_lock_irq(&dev_priv->irq_lock); | |
3225 | if (dev_priv->display.hpd_irq_setup) | |
3226 | dev_priv->display.hpd_irq_setup(dev); | |
3227 | spin_unlock_irq(&dev_priv->irq_lock); | |
3228 | ||
043e9bda | 3229 | intel_display_resume(dev); |
7514747d VS |
3230 | |
3231 | intel_hpd_init(dev_priv); | |
3232 | ||
3233 | drm_modeset_unlock_all(dev); | |
3234 | } | |
3235 | ||
7d5e3799 CW |
3236 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
3237 | { | |
3238 | struct drm_device *dev = crtc->dev; | |
3239 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3240 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7d5e3799 CW |
3241 | bool pending; |
3242 | ||
3243 | if (i915_reset_in_progress(&dev_priv->gpu_error) || | |
3244 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
3245 | return false; | |
3246 | ||
5e2d7afc | 3247 | spin_lock_irq(&dev->event_lock); |
7d5e3799 | 3248 | pending = to_intel_crtc(crtc)->unpin_work != NULL; |
5e2d7afc | 3249 | spin_unlock_irq(&dev->event_lock); |
7d5e3799 CW |
3250 | |
3251 | return pending; | |
3252 | } | |
3253 | ||
bfd16b2a ML |
3254 | static void intel_update_pipe_config(struct intel_crtc *crtc, |
3255 | struct intel_crtc_state *old_crtc_state) | |
e30e8f75 GP |
3256 | { |
3257 | struct drm_device *dev = crtc->base.dev; | |
3258 | struct drm_i915_private *dev_priv = dev->dev_private; | |
bfd16b2a ML |
3259 | struct intel_crtc_state *pipe_config = |
3260 | to_intel_crtc_state(crtc->base.state); | |
e30e8f75 | 3261 | |
bfd16b2a ML |
3262 | /* drm_atomic_helper_update_legacy_modeset_state might not be called. */ |
3263 | crtc->base.mode = crtc->base.state->mode; | |
3264 | ||
3265 | DRM_DEBUG_KMS("Updating pipe size %ix%i -> %ix%i\n", | |
3266 | old_crtc_state->pipe_src_w, old_crtc_state->pipe_src_h, | |
3267 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
e30e8f75 | 3268 | |
44522d85 ML |
3269 | if (HAS_DDI(dev)) |
3270 | intel_set_pipe_csc(&crtc->base); | |
3271 | ||
e30e8f75 GP |
3272 | /* |
3273 | * Update pipe size and adjust fitter if needed: the reason for this is | |
3274 | * that in compute_mode_changes we check the native mode (not the pfit | |
3275 | * mode) to see if we can flip rather than do a full mode set. In the | |
3276 | * fastboot case, we'll flip, but if we don't update the pipesrc and | |
3277 | * pfit state, we'll end up with a big fb scanned out into the wrong | |
3278 | * sized surface. | |
e30e8f75 GP |
3279 | */ |
3280 | ||
e30e8f75 | 3281 | I915_WRITE(PIPESRC(crtc->pipe), |
bfd16b2a ML |
3282 | ((pipe_config->pipe_src_w - 1) << 16) | |
3283 | (pipe_config->pipe_src_h - 1)); | |
3284 | ||
3285 | /* on skylake this is done by detaching scalers */ | |
3286 | if (INTEL_INFO(dev)->gen >= 9) { | |
3287 | skl_detach_scalers(crtc); | |
3288 | ||
3289 | if (pipe_config->pch_pfit.enabled) | |
3290 | skylake_pfit_enable(crtc); | |
3291 | } else if (HAS_PCH_SPLIT(dev)) { | |
3292 | if (pipe_config->pch_pfit.enabled) | |
3293 | ironlake_pfit_enable(crtc); | |
3294 | else if (old_crtc_state->pch_pfit.enabled) | |
3295 | ironlake_pfit_disable(crtc, true); | |
e30e8f75 | 3296 | } |
e30e8f75 GP |
3297 | } |
3298 | ||
5e84e1a4 ZW |
3299 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
3300 | { | |
3301 | struct drm_device *dev = crtc->dev; | |
3302 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3303 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3304 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3305 | i915_reg_t reg; |
3306 | u32 temp; | |
5e84e1a4 ZW |
3307 | |
3308 | /* enable normal train */ | |
3309 | reg = FDI_TX_CTL(pipe); | |
3310 | temp = I915_READ(reg); | |
61e499bf | 3311 | if (IS_IVYBRIDGE(dev)) { |
357555c0 JB |
3312 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3313 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; | |
61e499bf KP |
3314 | } else { |
3315 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3316 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; | |
357555c0 | 3317 | } |
5e84e1a4 ZW |
3318 | I915_WRITE(reg, temp); |
3319 | ||
3320 | reg = FDI_RX_CTL(pipe); | |
3321 | temp = I915_READ(reg); | |
3322 | if (HAS_PCH_CPT(dev)) { | |
3323 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3324 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; | |
3325 | } else { | |
3326 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3327 | temp |= FDI_LINK_TRAIN_NONE; | |
3328 | } | |
3329 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); | |
3330 | ||
3331 | /* wait one idle pattern time */ | |
3332 | POSTING_READ(reg); | |
3333 | udelay(1000); | |
357555c0 JB |
3334 | |
3335 | /* IVB wants error correction enabled */ | |
3336 | if (IS_IVYBRIDGE(dev)) | |
3337 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | | |
3338 | FDI_FE_ERRC_ENABLE); | |
5e84e1a4 ZW |
3339 | } |
3340 | ||
8db9d77b ZW |
3341 | /* The FDI link training functions for ILK/Ibexpeak. */ |
3342 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) | |
3343 | { | |
3344 | struct drm_device *dev = crtc->dev; | |
3345 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3346 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3347 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3348 | i915_reg_t reg; |
3349 | u32 temp, tries; | |
8db9d77b | 3350 | |
1c8562f6 | 3351 | /* FDI needs bits from pipe first */ |
0fc932b8 | 3352 | assert_pipe_enabled(dev_priv, pipe); |
0fc932b8 | 3353 | |
e1a44743 AJ |
3354 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3355 | for train result */ | |
5eddb70b CW |
3356 | reg = FDI_RX_IMR(pipe); |
3357 | temp = I915_READ(reg); | |
e1a44743 AJ |
3358 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3359 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3360 | I915_WRITE(reg, temp); |
3361 | I915_READ(reg); | |
e1a44743 AJ |
3362 | udelay(150); |
3363 | ||
8db9d77b | 3364 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3365 | reg = FDI_TX_CTL(pipe); |
3366 | temp = I915_READ(reg); | |
627eb5a3 | 3367 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3368 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3369 | temp &= ~FDI_LINK_TRAIN_NONE; |
3370 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b | 3371 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3372 | |
5eddb70b CW |
3373 | reg = FDI_RX_CTL(pipe); |
3374 | temp = I915_READ(reg); | |
8db9d77b ZW |
3375 | temp &= ~FDI_LINK_TRAIN_NONE; |
3376 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b CW |
3377 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3378 | ||
3379 | POSTING_READ(reg); | |
8db9d77b ZW |
3380 | udelay(150); |
3381 | ||
5b2adf89 | 3382 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
8f5718a6 DV |
3383 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3384 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | | |
3385 | FDI_RX_PHASE_SYNC_POINTER_EN); | |
5b2adf89 | 3386 | |
5eddb70b | 3387 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3388 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3389 | temp = I915_READ(reg); |
8db9d77b ZW |
3390 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3391 | ||
3392 | if ((temp & FDI_RX_BIT_LOCK)) { | |
3393 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
5eddb70b | 3394 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
8db9d77b ZW |
3395 | break; |
3396 | } | |
8db9d77b | 3397 | } |
e1a44743 | 3398 | if (tries == 5) |
5eddb70b | 3399 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3400 | |
3401 | /* Train 2 */ | |
5eddb70b CW |
3402 | reg = FDI_TX_CTL(pipe); |
3403 | temp = I915_READ(reg); | |
8db9d77b ZW |
3404 | temp &= ~FDI_LINK_TRAIN_NONE; |
3405 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3406 | I915_WRITE(reg, temp); |
8db9d77b | 3407 | |
5eddb70b CW |
3408 | reg = FDI_RX_CTL(pipe); |
3409 | temp = I915_READ(reg); | |
8db9d77b ZW |
3410 | temp &= ~FDI_LINK_TRAIN_NONE; |
3411 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3412 | I915_WRITE(reg, temp); |
8db9d77b | 3413 | |
5eddb70b CW |
3414 | POSTING_READ(reg); |
3415 | udelay(150); | |
8db9d77b | 3416 | |
5eddb70b | 3417 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3418 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3419 | temp = I915_READ(reg); |
8db9d77b ZW |
3420 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3421 | ||
3422 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
5eddb70b | 3423 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
8db9d77b ZW |
3424 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3425 | break; | |
3426 | } | |
8db9d77b | 3427 | } |
e1a44743 | 3428 | if (tries == 5) |
5eddb70b | 3429 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3430 | |
3431 | DRM_DEBUG_KMS("FDI train done\n"); | |
5c5313c8 | 3432 | |
8db9d77b ZW |
3433 | } |
3434 | ||
0206e353 | 3435 | static const int snb_b_fdi_train_param[] = { |
8db9d77b ZW |
3436 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
3437 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, | |
3438 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, | |
3439 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, | |
3440 | }; | |
3441 | ||
3442 | /* The FDI link training functions for SNB/Cougarpoint. */ | |
3443 | static void gen6_fdi_link_train(struct drm_crtc *crtc) | |
3444 | { | |
3445 | struct drm_device *dev = crtc->dev; | |
3446 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3447 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3448 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3449 | i915_reg_t reg; |
3450 | u32 temp, i, retry; | |
8db9d77b | 3451 | |
e1a44743 AJ |
3452 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3453 | for train result */ | |
5eddb70b CW |
3454 | reg = FDI_RX_IMR(pipe); |
3455 | temp = I915_READ(reg); | |
e1a44743 AJ |
3456 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3457 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3458 | I915_WRITE(reg, temp); |
3459 | ||
3460 | POSTING_READ(reg); | |
e1a44743 AJ |
3461 | udelay(150); |
3462 | ||
8db9d77b | 3463 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3464 | reg = FDI_TX_CTL(pipe); |
3465 | temp = I915_READ(reg); | |
627eb5a3 | 3466 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3467 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3468 | temp &= ~FDI_LINK_TRAIN_NONE; |
3469 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3470 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3471 | /* SNB-B */ | |
3472 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
5eddb70b | 3473 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3474 | |
d74cf324 DV |
3475 | I915_WRITE(FDI_RX_MISC(pipe), |
3476 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
3477 | ||
5eddb70b CW |
3478 | reg = FDI_RX_CTL(pipe); |
3479 | temp = I915_READ(reg); | |
8db9d77b ZW |
3480 | if (HAS_PCH_CPT(dev)) { |
3481 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3482 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3483 | } else { | |
3484 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3485 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3486 | } | |
5eddb70b CW |
3487 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3488 | ||
3489 | POSTING_READ(reg); | |
8db9d77b ZW |
3490 | udelay(150); |
3491 | ||
0206e353 | 3492 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3493 | reg = FDI_TX_CTL(pipe); |
3494 | temp = I915_READ(reg); | |
8db9d77b ZW |
3495 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3496 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3497 | I915_WRITE(reg, temp); |
3498 | ||
3499 | POSTING_READ(reg); | |
8db9d77b ZW |
3500 | udelay(500); |
3501 | ||
fa37d39e SP |
3502 | for (retry = 0; retry < 5; retry++) { |
3503 | reg = FDI_RX_IIR(pipe); | |
3504 | temp = I915_READ(reg); | |
3505 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3506 | if (temp & FDI_RX_BIT_LOCK) { | |
3507 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3508 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
3509 | break; | |
3510 | } | |
3511 | udelay(50); | |
8db9d77b | 3512 | } |
fa37d39e SP |
3513 | if (retry < 5) |
3514 | break; | |
8db9d77b ZW |
3515 | } |
3516 | if (i == 4) | |
5eddb70b | 3517 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3518 | |
3519 | /* Train 2 */ | |
5eddb70b CW |
3520 | reg = FDI_TX_CTL(pipe); |
3521 | temp = I915_READ(reg); | |
8db9d77b ZW |
3522 | temp &= ~FDI_LINK_TRAIN_NONE; |
3523 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3524 | if (IS_GEN6(dev)) { | |
3525 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3526 | /* SNB-B */ | |
3527 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
3528 | } | |
5eddb70b | 3529 | I915_WRITE(reg, temp); |
8db9d77b | 3530 | |
5eddb70b CW |
3531 | reg = FDI_RX_CTL(pipe); |
3532 | temp = I915_READ(reg); | |
8db9d77b ZW |
3533 | if (HAS_PCH_CPT(dev)) { |
3534 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3535 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
3536 | } else { | |
3537 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3538 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3539 | } | |
5eddb70b CW |
3540 | I915_WRITE(reg, temp); |
3541 | ||
3542 | POSTING_READ(reg); | |
8db9d77b ZW |
3543 | udelay(150); |
3544 | ||
0206e353 | 3545 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3546 | reg = FDI_TX_CTL(pipe); |
3547 | temp = I915_READ(reg); | |
8db9d77b ZW |
3548 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3549 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3550 | I915_WRITE(reg, temp); |
3551 | ||
3552 | POSTING_READ(reg); | |
8db9d77b ZW |
3553 | udelay(500); |
3554 | ||
fa37d39e SP |
3555 | for (retry = 0; retry < 5; retry++) { |
3556 | reg = FDI_RX_IIR(pipe); | |
3557 | temp = I915_READ(reg); | |
3558 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3559 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
3560 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3561 | DRM_DEBUG_KMS("FDI train 2 done.\n"); | |
3562 | break; | |
3563 | } | |
3564 | udelay(50); | |
8db9d77b | 3565 | } |
fa37d39e SP |
3566 | if (retry < 5) |
3567 | break; | |
8db9d77b ZW |
3568 | } |
3569 | if (i == 4) | |
5eddb70b | 3570 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3571 | |
3572 | DRM_DEBUG_KMS("FDI train done.\n"); | |
3573 | } | |
3574 | ||
357555c0 JB |
3575 | /* Manual link training for Ivy Bridge A0 parts */ |
3576 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) | |
3577 | { | |
3578 | struct drm_device *dev = crtc->dev; | |
3579 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3580 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3581 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3582 | i915_reg_t reg; |
3583 | u32 temp, i, j; | |
357555c0 JB |
3584 | |
3585 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit | |
3586 | for train result */ | |
3587 | reg = FDI_RX_IMR(pipe); | |
3588 | temp = I915_READ(reg); | |
3589 | temp &= ~FDI_RX_SYMBOL_LOCK; | |
3590 | temp &= ~FDI_RX_BIT_LOCK; | |
3591 | I915_WRITE(reg, temp); | |
3592 | ||
3593 | POSTING_READ(reg); | |
3594 | udelay(150); | |
3595 | ||
01a415fd DV |
3596 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
3597 | I915_READ(FDI_RX_IIR(pipe))); | |
3598 | ||
139ccd3f JB |
3599 | /* Try each vswing and preemphasis setting twice before moving on */ |
3600 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { | |
3601 | /* disable first in case we need to retry */ | |
3602 | reg = FDI_TX_CTL(pipe); | |
3603 | temp = I915_READ(reg); | |
3604 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); | |
3605 | temp &= ~FDI_TX_ENABLE; | |
3606 | I915_WRITE(reg, temp); | |
357555c0 | 3607 | |
139ccd3f JB |
3608 | reg = FDI_RX_CTL(pipe); |
3609 | temp = I915_READ(reg); | |
3610 | temp &= ~FDI_LINK_TRAIN_AUTO; | |
3611 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3612 | temp &= ~FDI_RX_ENABLE; | |
3613 | I915_WRITE(reg, temp); | |
357555c0 | 3614 | |
139ccd3f | 3615 | /* enable CPU FDI TX and PCH FDI RX */ |
357555c0 JB |
3616 | reg = FDI_TX_CTL(pipe); |
3617 | temp = I915_READ(reg); | |
139ccd3f | 3618 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3619 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
139ccd3f | 3620 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
357555c0 | 3621 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
139ccd3f JB |
3622 | temp |= snb_b_fdi_train_param[j/2]; |
3623 | temp |= FDI_COMPOSITE_SYNC; | |
3624 | I915_WRITE(reg, temp | FDI_TX_ENABLE); | |
357555c0 | 3625 | |
139ccd3f JB |
3626 | I915_WRITE(FDI_RX_MISC(pipe), |
3627 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
357555c0 | 3628 | |
139ccd3f | 3629 | reg = FDI_RX_CTL(pipe); |
357555c0 | 3630 | temp = I915_READ(reg); |
139ccd3f JB |
3631 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3632 | temp |= FDI_COMPOSITE_SYNC; | |
3633 | I915_WRITE(reg, temp | FDI_RX_ENABLE); | |
357555c0 | 3634 | |
139ccd3f JB |
3635 | POSTING_READ(reg); |
3636 | udelay(1); /* should be 0.5us */ | |
357555c0 | 3637 | |
139ccd3f JB |
3638 | for (i = 0; i < 4; i++) { |
3639 | reg = FDI_RX_IIR(pipe); | |
3640 | temp = I915_READ(reg); | |
3641 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3642 | |
139ccd3f JB |
3643 | if (temp & FDI_RX_BIT_LOCK || |
3644 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { | |
3645 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3646 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", | |
3647 | i); | |
3648 | break; | |
3649 | } | |
3650 | udelay(1); /* should be 0.5us */ | |
3651 | } | |
3652 | if (i == 4) { | |
3653 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); | |
3654 | continue; | |
3655 | } | |
357555c0 | 3656 | |
139ccd3f | 3657 | /* Train 2 */ |
357555c0 JB |
3658 | reg = FDI_TX_CTL(pipe); |
3659 | temp = I915_READ(reg); | |
139ccd3f JB |
3660 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3661 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; | |
3662 | I915_WRITE(reg, temp); | |
3663 | ||
3664 | reg = FDI_RX_CTL(pipe); | |
3665 | temp = I915_READ(reg); | |
3666 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3667 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
357555c0 JB |
3668 | I915_WRITE(reg, temp); |
3669 | ||
3670 | POSTING_READ(reg); | |
139ccd3f | 3671 | udelay(2); /* should be 1.5us */ |
357555c0 | 3672 | |
139ccd3f JB |
3673 | for (i = 0; i < 4; i++) { |
3674 | reg = FDI_RX_IIR(pipe); | |
3675 | temp = I915_READ(reg); | |
3676 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3677 | |
139ccd3f JB |
3678 | if (temp & FDI_RX_SYMBOL_LOCK || |
3679 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { | |
3680 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3681 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", | |
3682 | i); | |
3683 | goto train_done; | |
3684 | } | |
3685 | udelay(2); /* should be 1.5us */ | |
357555c0 | 3686 | } |
139ccd3f JB |
3687 | if (i == 4) |
3688 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); | |
357555c0 | 3689 | } |
357555c0 | 3690 | |
139ccd3f | 3691 | train_done: |
357555c0 JB |
3692 | DRM_DEBUG_KMS("FDI train done.\n"); |
3693 | } | |
3694 | ||
88cefb6c | 3695 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
2c07245f | 3696 | { |
88cefb6c | 3697 | struct drm_device *dev = intel_crtc->base.dev; |
2c07245f | 3698 | struct drm_i915_private *dev_priv = dev->dev_private; |
2c07245f | 3699 | int pipe = intel_crtc->pipe; |
f0f59a00 VS |
3700 | i915_reg_t reg; |
3701 | u32 temp; | |
c64e311e | 3702 | |
c98e9dcf | 3703 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
5eddb70b CW |
3704 | reg = FDI_RX_CTL(pipe); |
3705 | temp = I915_READ(reg); | |
627eb5a3 | 3706 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
6e3c9717 | 3707 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
dfd07d72 | 3708 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
5eddb70b CW |
3709 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
3710 | ||
3711 | POSTING_READ(reg); | |
c98e9dcf JB |
3712 | udelay(200); |
3713 | ||
3714 | /* Switch from Rawclk to PCDclk */ | |
5eddb70b CW |
3715 | temp = I915_READ(reg); |
3716 | I915_WRITE(reg, temp | FDI_PCDCLK); | |
3717 | ||
3718 | POSTING_READ(reg); | |
c98e9dcf JB |
3719 | udelay(200); |
3720 | ||
20749730 PZ |
3721 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
3722 | reg = FDI_TX_CTL(pipe); | |
3723 | temp = I915_READ(reg); | |
3724 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { | |
3725 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); | |
5eddb70b | 3726 | |
20749730 PZ |
3727 | POSTING_READ(reg); |
3728 | udelay(100); | |
6be4a607 | 3729 | } |
0e23b99d JB |
3730 | } |
3731 | ||
88cefb6c DV |
3732 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
3733 | { | |
3734 | struct drm_device *dev = intel_crtc->base.dev; | |
3735 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3736 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3737 | i915_reg_t reg; |
3738 | u32 temp; | |
88cefb6c DV |
3739 | |
3740 | /* Switch from PCDclk to Rawclk */ | |
3741 | reg = FDI_RX_CTL(pipe); | |
3742 | temp = I915_READ(reg); | |
3743 | I915_WRITE(reg, temp & ~FDI_PCDCLK); | |
3744 | ||
3745 | /* Disable CPU FDI TX PLL */ | |
3746 | reg = FDI_TX_CTL(pipe); | |
3747 | temp = I915_READ(reg); | |
3748 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); | |
3749 | ||
3750 | POSTING_READ(reg); | |
3751 | udelay(100); | |
3752 | ||
3753 | reg = FDI_RX_CTL(pipe); | |
3754 | temp = I915_READ(reg); | |
3755 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); | |
3756 | ||
3757 | /* Wait for the clocks to turn off. */ | |
3758 | POSTING_READ(reg); | |
3759 | udelay(100); | |
3760 | } | |
3761 | ||
0fc932b8 JB |
3762 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
3763 | { | |
3764 | struct drm_device *dev = crtc->dev; | |
3765 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3766 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3767 | int pipe = intel_crtc->pipe; | |
f0f59a00 VS |
3768 | i915_reg_t reg; |
3769 | u32 temp; | |
0fc932b8 JB |
3770 | |
3771 | /* disable CPU FDI tx and PCH FDI rx */ | |
3772 | reg = FDI_TX_CTL(pipe); | |
3773 | temp = I915_READ(reg); | |
3774 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); | |
3775 | POSTING_READ(reg); | |
3776 | ||
3777 | reg = FDI_RX_CTL(pipe); | |
3778 | temp = I915_READ(reg); | |
3779 | temp &= ~(0x7 << 16); | |
dfd07d72 | 3780 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3781 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
3782 | ||
3783 | POSTING_READ(reg); | |
3784 | udelay(100); | |
3785 | ||
3786 | /* Ironlake workaround, disable clock pointer after downing FDI */ | |
eba905b2 | 3787 | if (HAS_PCH_IBX(dev)) |
6f06ce18 | 3788 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
0fc932b8 JB |
3789 | |
3790 | /* still set train pattern 1 */ | |
3791 | reg = FDI_TX_CTL(pipe); | |
3792 | temp = I915_READ(reg); | |
3793 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3794 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3795 | I915_WRITE(reg, temp); | |
3796 | ||
3797 | reg = FDI_RX_CTL(pipe); | |
3798 | temp = I915_READ(reg); | |
3799 | if (HAS_PCH_CPT(dev)) { | |
3800 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3801 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3802 | } else { | |
3803 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3804 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3805 | } | |
3806 | /* BPC in FDI rx is consistent with that in PIPECONF */ | |
3807 | temp &= ~(0x07 << 16); | |
dfd07d72 | 3808 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3809 | I915_WRITE(reg, temp); |
3810 | ||
3811 | POSTING_READ(reg); | |
3812 | udelay(100); | |
3813 | } | |
3814 | ||
5dce5b93 CW |
3815 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
3816 | { | |
3817 | struct intel_crtc *crtc; | |
3818 | ||
3819 | /* Note that we don't need to be called with mode_config.lock here | |
3820 | * as our list of CRTC objects is static for the lifetime of the | |
3821 | * device and so cannot disappear as we iterate. Similarly, we can | |
3822 | * happily treat the predicates as racy, atomic checks as userspace | |
3823 | * cannot claim and pin a new fb without at least acquring the | |
3824 | * struct_mutex and so serialising with us. | |
3825 | */ | |
d3fcc808 | 3826 | for_each_intel_crtc(dev, crtc) { |
5dce5b93 CW |
3827 | if (atomic_read(&crtc->unpin_work_count) == 0) |
3828 | continue; | |
3829 | ||
3830 | if (crtc->unpin_work) | |
3831 | intel_wait_for_vblank(dev, crtc->pipe); | |
3832 | ||
3833 | return true; | |
3834 | } | |
3835 | ||
3836 | return false; | |
3837 | } | |
3838 | ||
d6bbafa1 CW |
3839 | static void page_flip_completed(struct intel_crtc *intel_crtc) |
3840 | { | |
3841 | struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); | |
3842 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
3843 | ||
3844 | /* ensure that the unpin work is consistent wrt ->pending. */ | |
3845 | smp_rmb(); | |
3846 | intel_crtc->unpin_work = NULL; | |
3847 | ||
3848 | if (work->event) | |
3849 | drm_send_vblank_event(intel_crtc->base.dev, | |
3850 | intel_crtc->pipe, | |
3851 | work->event); | |
3852 | ||
3853 | drm_crtc_vblank_put(&intel_crtc->base); | |
3854 | ||
3855 | wake_up_all(&dev_priv->pending_flip_queue); | |
3856 | queue_work(dev_priv->wq, &work->work); | |
3857 | ||
3858 | trace_i915_flip_complete(intel_crtc->plane, | |
3859 | work->pending_flip_obj); | |
3860 | } | |
3861 | ||
5008e874 | 3862 | static int intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
e6c3a2a6 | 3863 | { |
0f91128d | 3864 | struct drm_device *dev = crtc->dev; |
5bb61643 | 3865 | struct drm_i915_private *dev_priv = dev->dev_private; |
5008e874 | 3866 | long ret; |
e6c3a2a6 | 3867 | |
2c10d571 | 3868 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
5008e874 ML |
3869 | |
3870 | ret = wait_event_interruptible_timeout( | |
3871 | dev_priv->pending_flip_queue, | |
3872 | !intel_crtc_has_pending_flip(crtc), | |
3873 | 60*HZ); | |
3874 | ||
3875 | if (ret < 0) | |
3876 | return ret; | |
3877 | ||
3878 | if (ret == 0) { | |
9c787942 | 3879 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2c10d571 | 3880 | |
5e2d7afc | 3881 | spin_lock_irq(&dev->event_lock); |
9c787942 CW |
3882 | if (intel_crtc->unpin_work) { |
3883 | WARN_ONCE(1, "Removing stuck page flip\n"); | |
3884 | page_flip_completed(intel_crtc); | |
3885 | } | |
5e2d7afc | 3886 | spin_unlock_irq(&dev->event_lock); |
9c787942 | 3887 | } |
5bb61643 | 3888 | |
5008e874 | 3889 | return 0; |
e6c3a2a6 CW |
3890 | } |
3891 | ||
060f02d8 VS |
3892 | static void lpt_disable_iclkip(struct drm_i915_private *dev_priv) |
3893 | { | |
3894 | u32 temp; | |
3895 | ||
3896 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); | |
3897 | ||
3898 | mutex_lock(&dev_priv->sb_lock); | |
3899 | ||
3900 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); | |
3901 | temp |= SBI_SSCCTL_DISABLE; | |
3902 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); | |
3903 | ||
3904 | mutex_unlock(&dev_priv->sb_lock); | |
3905 | } | |
3906 | ||
e615efe4 ED |
3907 | /* Program iCLKIP clock to the desired frequency */ |
3908 | static void lpt_program_iclkip(struct drm_crtc *crtc) | |
3909 | { | |
64b46a06 | 3910 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); |
6e3c9717 | 3911 | int clock = to_intel_crtc(crtc)->config->base.adjusted_mode.crtc_clock; |
e615efe4 ED |
3912 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
3913 | u32 temp; | |
3914 | ||
060f02d8 | 3915 | lpt_disable_iclkip(dev_priv); |
e615efe4 | 3916 | |
64b46a06 VS |
3917 | /* The iCLK virtual clock root frequency is in MHz, |
3918 | * but the adjusted_mode->crtc_clock in in KHz. To get the | |
3919 | * divisors, it is necessary to divide one by another, so we | |
3920 | * convert the virtual clock precision to KHz here for higher | |
3921 | * precision. | |
3922 | */ | |
3923 | for (auxdiv = 0; auxdiv < 2; auxdiv++) { | |
e615efe4 ED |
3924 | u32 iclk_virtual_root_freq = 172800 * 1000; |
3925 | u32 iclk_pi_range = 64; | |
64b46a06 | 3926 | u32 desired_divisor; |
e615efe4 | 3927 | |
64b46a06 VS |
3928 | desired_divisor = DIV_ROUND_CLOSEST(iclk_virtual_root_freq, |
3929 | clock << auxdiv); | |
3930 | divsel = (desired_divisor / iclk_pi_range) - 2; | |
3931 | phaseinc = desired_divisor % iclk_pi_range; | |
e615efe4 | 3932 | |
64b46a06 VS |
3933 | /* |
3934 | * Near 20MHz is a corner case which is | |
3935 | * out of range for the 7-bit divisor | |
3936 | */ | |
3937 | if (divsel <= 0x7f) | |
3938 | break; | |
e615efe4 ED |
3939 | } |
3940 | ||
3941 | /* This should not happen with any sane values */ | |
3942 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & | |
3943 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); | |
3944 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & | |
3945 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); | |
3946 | ||
3947 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", | |
12d7ceed | 3948 | clock, |
e615efe4 ED |
3949 | auxdiv, |
3950 | divsel, | |
3951 | phasedir, | |
3952 | phaseinc); | |
3953 | ||
060f02d8 VS |
3954 | mutex_lock(&dev_priv->sb_lock); |
3955 | ||
e615efe4 | 3956 | /* Program SSCDIVINTPHASE6 */ |
988d6ee8 | 3957 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
e615efe4 ED |
3958 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
3959 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); | |
3960 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; | |
3961 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); | |
3962 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); | |
3963 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; | |
988d6ee8 | 3964 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
e615efe4 ED |
3965 | |
3966 | /* Program SSCAUXDIV */ | |
988d6ee8 | 3967 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
e615efe4 ED |
3968 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
3969 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); | |
988d6ee8 | 3970 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
e615efe4 ED |
3971 | |
3972 | /* Enable modulator and associated divider */ | |
988d6ee8 | 3973 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
e615efe4 | 3974 | temp &= ~SBI_SSCCTL_DISABLE; |
988d6ee8 | 3975 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
e615efe4 | 3976 | |
060f02d8 VS |
3977 | mutex_unlock(&dev_priv->sb_lock); |
3978 | ||
e615efe4 ED |
3979 | /* Wait for initialization time */ |
3980 | udelay(24); | |
3981 | ||
3982 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); | |
3983 | } | |
3984 | ||
8802e5b6 VS |
3985 | int lpt_get_iclkip(struct drm_i915_private *dev_priv) |
3986 | { | |
3987 | u32 divsel, phaseinc, auxdiv; | |
3988 | u32 iclk_virtual_root_freq = 172800 * 1000; | |
3989 | u32 iclk_pi_range = 64; | |
3990 | u32 desired_divisor; | |
3991 | u32 temp; | |
3992 | ||
3993 | if ((I915_READ(PIXCLK_GATE) & PIXCLK_GATE_UNGATE) == 0) | |
3994 | return 0; | |
3995 | ||
3996 | mutex_lock(&dev_priv->sb_lock); | |
3997 | ||
3998 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); | |
3999 | if (temp & SBI_SSCCTL_DISABLE) { | |
4000 | mutex_unlock(&dev_priv->sb_lock); | |
4001 | return 0; | |
4002 | } | |
4003 | ||
4004 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); | |
4005 | divsel = (temp & SBI_SSCDIVINTPHASE_DIVSEL_MASK) >> | |
4006 | SBI_SSCDIVINTPHASE_DIVSEL_SHIFT; | |
4007 | phaseinc = (temp & SBI_SSCDIVINTPHASE_INCVAL_MASK) >> | |
4008 | SBI_SSCDIVINTPHASE_INCVAL_SHIFT; | |
4009 | ||
4010 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); | |
4011 | auxdiv = (temp & SBI_SSCAUXDIV_FINALDIV2SEL_MASK) >> | |
4012 | SBI_SSCAUXDIV_FINALDIV2SEL_SHIFT; | |
4013 | ||
4014 | mutex_unlock(&dev_priv->sb_lock); | |
4015 | ||
4016 | desired_divisor = (divsel + 2) * iclk_pi_range + phaseinc; | |
4017 | ||
4018 | return DIV_ROUND_CLOSEST(iclk_virtual_root_freq, | |
4019 | desired_divisor << auxdiv); | |
4020 | } | |
4021 | ||
275f01b2 DV |
4022 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
4023 | enum pipe pch_transcoder) | |
4024 | { | |
4025 | struct drm_device *dev = crtc->base.dev; | |
4026 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 4027 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
275f01b2 DV |
4028 | |
4029 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), | |
4030 | I915_READ(HTOTAL(cpu_transcoder))); | |
4031 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), | |
4032 | I915_READ(HBLANK(cpu_transcoder))); | |
4033 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), | |
4034 | I915_READ(HSYNC(cpu_transcoder))); | |
4035 | ||
4036 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), | |
4037 | I915_READ(VTOTAL(cpu_transcoder))); | |
4038 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), | |
4039 | I915_READ(VBLANK(cpu_transcoder))); | |
4040 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), | |
4041 | I915_READ(VSYNC(cpu_transcoder))); | |
4042 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), | |
4043 | I915_READ(VSYNCSHIFT(cpu_transcoder))); | |
4044 | } | |
4045 | ||
003632d9 | 4046 | static void cpt_set_fdi_bc_bifurcation(struct drm_device *dev, bool enable) |
1fbc0d78 DV |
4047 | { |
4048 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4049 | uint32_t temp; | |
4050 | ||
4051 | temp = I915_READ(SOUTH_CHICKEN1); | |
003632d9 | 4052 | if (!!(temp & FDI_BC_BIFURCATION_SELECT) == enable) |
1fbc0d78 DV |
4053 | return; |
4054 | ||
4055 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); | |
4056 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
4057 | ||
003632d9 ACO |
4058 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
4059 | if (enable) | |
4060 | temp |= FDI_BC_BIFURCATION_SELECT; | |
4061 | ||
4062 | DRM_DEBUG_KMS("%sabling fdi C rx\n", enable ? "en" : "dis"); | |
1fbc0d78 DV |
4063 | I915_WRITE(SOUTH_CHICKEN1, temp); |
4064 | POSTING_READ(SOUTH_CHICKEN1); | |
4065 | } | |
4066 | ||
4067 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) | |
4068 | { | |
4069 | struct drm_device *dev = intel_crtc->base.dev; | |
1fbc0d78 DV |
4070 | |
4071 | switch (intel_crtc->pipe) { | |
4072 | case PIPE_A: | |
4073 | break; | |
4074 | case PIPE_B: | |
6e3c9717 | 4075 | if (intel_crtc->config->fdi_lanes > 2) |
003632d9 | 4076 | cpt_set_fdi_bc_bifurcation(dev, false); |
1fbc0d78 | 4077 | else |
003632d9 | 4078 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4079 | |
4080 | break; | |
4081 | case PIPE_C: | |
003632d9 | 4082 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4083 | |
4084 | break; | |
4085 | default: | |
4086 | BUG(); | |
4087 | } | |
4088 | } | |
4089 | ||
c48b5305 VS |
4090 | /* Return which DP Port should be selected for Transcoder DP control */ |
4091 | static enum port | |
4092 | intel_trans_dp_port_sel(struct drm_crtc *crtc) | |
4093 | { | |
4094 | struct drm_device *dev = crtc->dev; | |
4095 | struct intel_encoder *encoder; | |
4096 | ||
4097 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
4098 | if (encoder->type == INTEL_OUTPUT_DISPLAYPORT || | |
4099 | encoder->type == INTEL_OUTPUT_EDP) | |
4100 | return enc_to_dig_port(&encoder->base)->port; | |
4101 | } | |
4102 | ||
4103 | return -1; | |
4104 | } | |
4105 | ||
f67a559d JB |
4106 | /* |
4107 | * Enable PCH resources required for PCH ports: | |
4108 | * - PCH PLLs | |
4109 | * - FDI training & RX/TX | |
4110 | * - update transcoder timings | |
4111 | * - DP transcoding bits | |
4112 | * - transcoder | |
4113 | */ | |
4114 | static void ironlake_pch_enable(struct drm_crtc *crtc) | |
0e23b99d JB |
4115 | { |
4116 | struct drm_device *dev = crtc->dev; | |
4117 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4118 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4119 | int pipe = intel_crtc->pipe; | |
f0f59a00 | 4120 | u32 temp; |
2c07245f | 4121 | |
ab9412ba | 4122 | assert_pch_transcoder_disabled(dev_priv, pipe); |
e7e164db | 4123 | |
1fbc0d78 DV |
4124 | if (IS_IVYBRIDGE(dev)) |
4125 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); | |
4126 | ||
cd986abb DV |
4127 | /* Write the TU size bits before fdi link training, so that error |
4128 | * detection works. */ | |
4129 | I915_WRITE(FDI_RX_TUSIZE1(pipe), | |
4130 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); | |
4131 | ||
3860b2ec VS |
4132 | /* |
4133 | * Sometimes spurious CPU pipe underruns happen during FDI | |
4134 | * training, at least with VGA+HDMI cloning. Suppress them. | |
4135 | */ | |
4136 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
4137 | ||
c98e9dcf | 4138 | /* For PCH output, training FDI link */ |
674cf967 | 4139 | dev_priv->display.fdi_link_train(crtc); |
2c07245f | 4140 | |
3ad8a208 DV |
4141 | /* We need to program the right clock selection before writing the pixel |
4142 | * mutliplier into the DPLL. */ | |
303b81e0 | 4143 | if (HAS_PCH_CPT(dev)) { |
ee7b9f93 | 4144 | u32 sel; |
4b645f14 | 4145 | |
c98e9dcf | 4146 | temp = I915_READ(PCH_DPLL_SEL); |
11887397 DV |
4147 | temp |= TRANS_DPLL_ENABLE(pipe); |
4148 | sel = TRANS_DPLLB_SEL(pipe); | |
8106ddbd ACO |
4149 | if (intel_crtc->config->shared_dpll == |
4150 | intel_get_shared_dpll_by_id(dev_priv, DPLL_ID_PCH_PLL_B)) | |
ee7b9f93 JB |
4151 | temp |= sel; |
4152 | else | |
4153 | temp &= ~sel; | |
c98e9dcf | 4154 | I915_WRITE(PCH_DPLL_SEL, temp); |
c98e9dcf | 4155 | } |
5eddb70b | 4156 | |
3ad8a208 DV |
4157 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
4158 | * transcoder, and we actually should do this to not upset any PCH | |
4159 | * transcoder that already use the clock when we share it. | |
4160 | * | |
4161 | * Note that enable_shared_dpll tries to do the right thing, but | |
4162 | * get_shared_dpll unconditionally resets the pll - we need that to have | |
4163 | * the right LVDS enable sequence. */ | |
85b3894f | 4164 | intel_enable_shared_dpll(intel_crtc); |
3ad8a208 | 4165 | |
d9b6cb56 JB |
4166 | /* set transcoder timing, panel must allow it */ |
4167 | assert_panel_unlocked(dev_priv, pipe); | |
275f01b2 | 4168 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
8db9d77b | 4169 | |
303b81e0 | 4170 | intel_fdi_normal_train(crtc); |
5e84e1a4 | 4171 | |
3860b2ec VS |
4172 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4173 | ||
c98e9dcf | 4174 | /* For PCH DP, enable TRANS_DP_CTL */ |
6e3c9717 | 4175 | if (HAS_PCH_CPT(dev) && intel_crtc->config->has_dp_encoder) { |
9c4edaee VS |
4176 | const struct drm_display_mode *adjusted_mode = |
4177 | &intel_crtc->config->base.adjusted_mode; | |
dfd07d72 | 4178 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
f0f59a00 | 4179 | i915_reg_t reg = TRANS_DP_CTL(pipe); |
5eddb70b CW |
4180 | temp = I915_READ(reg); |
4181 | temp &= ~(TRANS_DP_PORT_SEL_MASK | | |
220cad3c EA |
4182 | TRANS_DP_SYNC_MASK | |
4183 | TRANS_DP_BPC_MASK); | |
e3ef4479 | 4184 | temp |= TRANS_DP_OUTPUT_ENABLE; |
9325c9f0 | 4185 | temp |= bpc << 9; /* same format but at 11:9 */ |
c98e9dcf | 4186 | |
9c4edaee | 4187 | if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) |
5eddb70b | 4188 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
9c4edaee | 4189 | if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) |
5eddb70b | 4190 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
c98e9dcf JB |
4191 | |
4192 | switch (intel_trans_dp_port_sel(crtc)) { | |
c48b5305 | 4193 | case PORT_B: |
5eddb70b | 4194 | temp |= TRANS_DP_PORT_SEL_B; |
c98e9dcf | 4195 | break; |
c48b5305 | 4196 | case PORT_C: |
5eddb70b | 4197 | temp |= TRANS_DP_PORT_SEL_C; |
c98e9dcf | 4198 | break; |
c48b5305 | 4199 | case PORT_D: |
5eddb70b | 4200 | temp |= TRANS_DP_PORT_SEL_D; |
c98e9dcf JB |
4201 | break; |
4202 | default: | |
e95d41e1 | 4203 | BUG(); |
32f9d658 | 4204 | } |
2c07245f | 4205 | |
5eddb70b | 4206 | I915_WRITE(reg, temp); |
6be4a607 | 4207 | } |
b52eb4dc | 4208 | |
b8a4f404 | 4209 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
f67a559d JB |
4210 | } |
4211 | ||
1507e5bd PZ |
4212 | static void lpt_pch_enable(struct drm_crtc *crtc) |
4213 | { | |
4214 | struct drm_device *dev = crtc->dev; | |
4215 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4216 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6e3c9717 | 4217 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
1507e5bd | 4218 | |
ab9412ba | 4219 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
1507e5bd | 4220 | |
8c52b5e8 | 4221 | lpt_program_iclkip(crtc); |
1507e5bd | 4222 | |
0540e488 | 4223 | /* Set transcoder timing. */ |
275f01b2 | 4224 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
1507e5bd | 4225 | |
937bb610 | 4226 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
f67a559d JB |
4227 | } |
4228 | ||
a1520318 | 4229 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
d4270e57 JB |
4230 | { |
4231 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f0f59a00 | 4232 | i915_reg_t dslreg = PIPEDSL(pipe); |
d4270e57 JB |
4233 | u32 temp; |
4234 | ||
4235 | temp = I915_READ(dslreg); | |
4236 | udelay(500); | |
4237 | if (wait_for(I915_READ(dslreg) != temp, 5)) { | |
d4270e57 | 4238 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
84f44ce7 | 4239 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
d4270e57 JB |
4240 | } |
4241 | } | |
4242 | ||
86adf9d7 ML |
4243 | static int |
4244 | skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach, | |
4245 | unsigned scaler_user, int *scaler_id, unsigned int rotation, | |
4246 | int src_w, int src_h, int dst_w, int dst_h) | |
a1b2278e | 4247 | { |
86adf9d7 ML |
4248 | struct intel_crtc_scaler_state *scaler_state = |
4249 | &crtc_state->scaler_state; | |
4250 | struct intel_crtc *intel_crtc = | |
4251 | to_intel_crtc(crtc_state->base.crtc); | |
a1b2278e | 4252 | int need_scaling; |
6156a456 CK |
4253 | |
4254 | need_scaling = intel_rotation_90_or_270(rotation) ? | |
4255 | (src_h != dst_w || src_w != dst_h): | |
4256 | (src_w != dst_w || src_h != dst_h); | |
a1b2278e CK |
4257 | |
4258 | /* | |
4259 | * if plane is being disabled or scaler is no more required or force detach | |
4260 | * - free scaler binded to this plane/crtc | |
4261 | * - in order to do this, update crtc->scaler_usage | |
4262 | * | |
4263 | * Here scaler state in crtc_state is set free so that | |
4264 | * scaler can be assigned to other user. Actual register | |
4265 | * update to free the scaler is done in plane/panel-fit programming. | |
4266 | * For this purpose crtc/plane_state->scaler_id isn't reset here. | |
4267 | */ | |
86adf9d7 | 4268 | if (force_detach || !need_scaling) { |
a1b2278e | 4269 | if (*scaler_id >= 0) { |
86adf9d7 | 4270 | scaler_state->scaler_users &= ~(1 << scaler_user); |
a1b2278e CK |
4271 | scaler_state->scalers[*scaler_id].in_use = 0; |
4272 | ||
86adf9d7 ML |
4273 | DRM_DEBUG_KMS("scaler_user index %u.%u: " |
4274 | "Staged freeing scaler id %d scaler_users = 0x%x\n", | |
4275 | intel_crtc->pipe, scaler_user, *scaler_id, | |
a1b2278e CK |
4276 | scaler_state->scaler_users); |
4277 | *scaler_id = -1; | |
4278 | } | |
4279 | return 0; | |
4280 | } | |
4281 | ||
4282 | /* range checks */ | |
4283 | if (src_w < SKL_MIN_SRC_W || src_h < SKL_MIN_SRC_H || | |
4284 | dst_w < SKL_MIN_DST_W || dst_h < SKL_MIN_DST_H || | |
4285 | ||
4286 | src_w > SKL_MAX_SRC_W || src_h > SKL_MAX_SRC_H || | |
4287 | dst_w > SKL_MAX_DST_W || dst_h > SKL_MAX_DST_H) { | |
86adf9d7 | 4288 | DRM_DEBUG_KMS("scaler_user index %u.%u: src %ux%u dst %ux%u " |
a1b2278e | 4289 | "size is out of scaler range\n", |
86adf9d7 | 4290 | intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h); |
a1b2278e CK |
4291 | return -EINVAL; |
4292 | } | |
4293 | ||
86adf9d7 ML |
4294 | /* mark this plane as a scaler user in crtc_state */ |
4295 | scaler_state->scaler_users |= (1 << scaler_user); | |
4296 | DRM_DEBUG_KMS("scaler_user index %u.%u: " | |
4297 | "staged scaling request for %ux%u->%ux%u scaler_users = 0x%x\n", | |
4298 | intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h, | |
4299 | scaler_state->scaler_users); | |
4300 | ||
4301 | return 0; | |
4302 | } | |
4303 | ||
4304 | /** | |
4305 | * skl_update_scaler_crtc - Stages update to scaler state for a given crtc. | |
4306 | * | |
4307 | * @state: crtc's scaler state | |
86adf9d7 ML |
4308 | * |
4309 | * Return | |
4310 | * 0 - scaler_usage updated successfully | |
4311 | * error - requested scaling cannot be supported or other error condition | |
4312 | */ | |
e435d6e5 | 4313 | int skl_update_scaler_crtc(struct intel_crtc_state *state) |
86adf9d7 ML |
4314 | { |
4315 | struct intel_crtc *intel_crtc = to_intel_crtc(state->base.crtc); | |
7c5f93b0 | 4316 | const struct drm_display_mode *adjusted_mode = &state->base.adjusted_mode; |
86adf9d7 ML |
4317 | |
4318 | DRM_DEBUG_KMS("Updating scaler for [CRTC:%i] scaler_user index %u.%u\n", | |
4319 | intel_crtc->base.base.id, intel_crtc->pipe, SKL_CRTC_INDEX); | |
4320 | ||
e435d6e5 | 4321 | return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX, |
fa5a7970 | 4322 | &state->scaler_state.scaler_id, BIT(DRM_ROTATE_0), |
86adf9d7 | 4323 | state->pipe_src_w, state->pipe_src_h, |
aad941d5 | 4324 | adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay); |
86adf9d7 ML |
4325 | } |
4326 | ||
4327 | /** | |
4328 | * skl_update_scaler_plane - Stages update to scaler state for a given plane. | |
4329 | * | |
4330 | * @state: crtc's scaler state | |
86adf9d7 ML |
4331 | * @plane_state: atomic plane state to update |
4332 | * | |
4333 | * Return | |
4334 | * 0 - scaler_usage updated successfully | |
4335 | * error - requested scaling cannot be supported or other error condition | |
4336 | */ | |
da20eabd ML |
4337 | static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state, |
4338 | struct intel_plane_state *plane_state) | |
86adf9d7 ML |
4339 | { |
4340 | ||
4341 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); | |
da20eabd ML |
4342 | struct intel_plane *intel_plane = |
4343 | to_intel_plane(plane_state->base.plane); | |
86adf9d7 ML |
4344 | struct drm_framebuffer *fb = plane_state->base.fb; |
4345 | int ret; | |
4346 | ||
4347 | bool force_detach = !fb || !plane_state->visible; | |
4348 | ||
4349 | DRM_DEBUG_KMS("Updating scaler for [PLANE:%d] scaler_user index %u.%u\n", | |
4350 | intel_plane->base.base.id, intel_crtc->pipe, | |
4351 | drm_plane_index(&intel_plane->base)); | |
4352 | ||
4353 | ret = skl_update_scaler(crtc_state, force_detach, | |
4354 | drm_plane_index(&intel_plane->base), | |
4355 | &plane_state->scaler_id, | |
4356 | plane_state->base.rotation, | |
4357 | drm_rect_width(&plane_state->src) >> 16, | |
4358 | drm_rect_height(&plane_state->src) >> 16, | |
4359 | drm_rect_width(&plane_state->dst), | |
4360 | drm_rect_height(&plane_state->dst)); | |
4361 | ||
4362 | if (ret || plane_state->scaler_id < 0) | |
4363 | return ret; | |
4364 | ||
a1b2278e | 4365 | /* check colorkey */ |
818ed961 | 4366 | if (plane_state->ckey.flags != I915_SET_COLORKEY_NONE) { |
86adf9d7 | 4367 | DRM_DEBUG_KMS("[PLANE:%d] scaling with color key not allowed", |
818ed961 | 4368 | intel_plane->base.base.id); |
a1b2278e CK |
4369 | return -EINVAL; |
4370 | } | |
4371 | ||
4372 | /* Check src format */ | |
86adf9d7 ML |
4373 | switch (fb->pixel_format) { |
4374 | case DRM_FORMAT_RGB565: | |
4375 | case DRM_FORMAT_XBGR8888: | |
4376 | case DRM_FORMAT_XRGB8888: | |
4377 | case DRM_FORMAT_ABGR8888: | |
4378 | case DRM_FORMAT_ARGB8888: | |
4379 | case DRM_FORMAT_XRGB2101010: | |
4380 | case DRM_FORMAT_XBGR2101010: | |
4381 | case DRM_FORMAT_YUYV: | |
4382 | case DRM_FORMAT_YVYU: | |
4383 | case DRM_FORMAT_UYVY: | |
4384 | case DRM_FORMAT_VYUY: | |
4385 | break; | |
4386 | default: | |
4387 | DRM_DEBUG_KMS("[PLANE:%d] FB:%d unsupported scaling format 0x%x\n", | |
4388 | intel_plane->base.base.id, fb->base.id, fb->pixel_format); | |
4389 | return -EINVAL; | |
a1b2278e CK |
4390 | } |
4391 | ||
a1b2278e CK |
4392 | return 0; |
4393 | } | |
4394 | ||
e435d6e5 ML |
4395 | static void skylake_scaler_disable(struct intel_crtc *crtc) |
4396 | { | |
4397 | int i; | |
4398 | ||
4399 | for (i = 0; i < crtc->num_scalers; i++) | |
4400 | skl_detach_scaler(crtc, i); | |
4401 | } | |
4402 | ||
4403 | static void skylake_pfit_enable(struct intel_crtc *crtc) | |
bd2e244f JB |
4404 | { |
4405 | struct drm_device *dev = crtc->base.dev; | |
4406 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4407 | int pipe = crtc->pipe; | |
a1b2278e CK |
4408 | struct intel_crtc_scaler_state *scaler_state = |
4409 | &crtc->config->scaler_state; | |
4410 | ||
4411 | DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config); | |
4412 | ||
6e3c9717 | 4413 | if (crtc->config->pch_pfit.enabled) { |
a1b2278e CK |
4414 | int id; |
4415 | ||
4416 | if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) { | |
4417 | DRM_ERROR("Requesting pfit without getting a scaler first\n"); | |
4418 | return; | |
4419 | } | |
4420 | ||
4421 | id = scaler_state->scaler_id; | |
4422 | I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN | | |
4423 | PS_FILTER_MEDIUM | scaler_state->scalers[id].mode); | |
4424 | I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos); | |
4425 | I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size); | |
4426 | ||
4427 | DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id); | |
bd2e244f JB |
4428 | } |
4429 | } | |
4430 | ||
b074cec8 JB |
4431 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
4432 | { | |
4433 | struct drm_device *dev = crtc->base.dev; | |
4434 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4435 | int pipe = crtc->pipe; | |
4436 | ||
6e3c9717 | 4437 | if (crtc->config->pch_pfit.enabled) { |
b074cec8 JB |
4438 | /* Force use of hard-coded filter coefficients |
4439 | * as some pre-programmed values are broken, | |
4440 | * e.g. x201. | |
4441 | */ | |
4442 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) | |
4443 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | | |
4444 | PF_PIPE_SEL_IVB(pipe)); | |
4445 | else | |
4446 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); | |
6e3c9717 ACO |
4447 | I915_WRITE(PF_WIN_POS(pipe), crtc->config->pch_pfit.pos); |
4448 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config->pch_pfit.size); | |
d4270e57 JB |
4449 | } |
4450 | } | |
4451 | ||
20bc8673 | 4452 | void hsw_enable_ips(struct intel_crtc *crtc) |
d77e4531 | 4453 | { |
cea165c3 VS |
4454 | struct drm_device *dev = crtc->base.dev; |
4455 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d77e4531 | 4456 | |
6e3c9717 | 4457 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4458 | return; |
4459 | ||
cea165c3 VS |
4460 | /* We can only enable IPS after we enable a plane and wait for a vblank */ |
4461 | intel_wait_for_vblank(dev, crtc->pipe); | |
4462 | ||
d77e4531 | 4463 | assert_plane_enabled(dev_priv, crtc->plane); |
cea165c3 | 4464 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4465 | mutex_lock(&dev_priv->rps.hw_lock); |
4466 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); | |
4467 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4468 | /* Quoting Art Runyan: "its not safe to expect any particular | |
4469 | * value in IPS_CTL bit 31 after enabling IPS through the | |
e59150dc JB |
4470 | * mailbox." Moreover, the mailbox may return a bogus state, |
4471 | * so we need to just enable it and continue on. | |
2a114cc1 BW |
4472 | */ |
4473 | } else { | |
4474 | I915_WRITE(IPS_CTL, IPS_ENABLE); | |
4475 | /* The bit only becomes 1 in the next vblank, so this wait here | |
4476 | * is essentially intel_wait_for_vblank. If we don't have this | |
4477 | * and don't wait for vblanks until the end of crtc_enable, then | |
4478 | * the HW state readout code will complain that the expected | |
4479 | * IPS_CTL value is not the one we read. */ | |
4480 | if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) | |
4481 | DRM_ERROR("Timed out waiting for IPS enable\n"); | |
4482 | } | |
d77e4531 PZ |
4483 | } |
4484 | ||
20bc8673 | 4485 | void hsw_disable_ips(struct intel_crtc *crtc) |
d77e4531 PZ |
4486 | { |
4487 | struct drm_device *dev = crtc->base.dev; | |
4488 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4489 | ||
6e3c9717 | 4490 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4491 | return; |
4492 | ||
4493 | assert_plane_enabled(dev_priv, crtc->plane); | |
23d0b130 | 4494 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4495 | mutex_lock(&dev_priv->rps.hw_lock); |
4496 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); | |
4497 | mutex_unlock(&dev_priv->rps.hw_lock); | |
23d0b130 BW |
4498 | /* wait for pcode to finish disabling IPS, which may take up to 42ms */ |
4499 | if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42)) | |
4500 | DRM_ERROR("Timed out waiting for IPS disable\n"); | |
e59150dc | 4501 | } else { |
2a114cc1 | 4502 | I915_WRITE(IPS_CTL, 0); |
e59150dc JB |
4503 | POSTING_READ(IPS_CTL); |
4504 | } | |
d77e4531 PZ |
4505 | |
4506 | /* We need to wait for a vblank before we can disable the plane. */ | |
4507 | intel_wait_for_vblank(dev, crtc->pipe); | |
4508 | } | |
4509 | ||
4510 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ | |
4511 | static void intel_crtc_load_lut(struct drm_crtc *crtc) | |
4512 | { | |
4513 | struct drm_device *dev = crtc->dev; | |
4514 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4515 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4516 | enum pipe pipe = intel_crtc->pipe; | |
d77e4531 PZ |
4517 | int i; |
4518 | bool reenable_ips = false; | |
4519 | ||
4520 | /* The clocks have to be on to load the palette. */ | |
53d9f4e9 | 4521 | if (!crtc->state->active) |
d77e4531 PZ |
4522 | return; |
4523 | ||
50360403 | 4524 | if (HAS_GMCH_DISPLAY(dev_priv->dev)) { |
a65347ba | 4525 | if (intel_crtc->config->has_dsi_encoder) |
d77e4531 PZ |
4526 | assert_dsi_pll_enabled(dev_priv); |
4527 | else | |
4528 | assert_pll_enabled(dev_priv, pipe); | |
4529 | } | |
4530 | ||
d77e4531 PZ |
4531 | /* Workaround : Do not read or write the pipe palette/gamma data while |
4532 | * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled. | |
4533 | */ | |
6e3c9717 | 4534 | if (IS_HASWELL(dev) && intel_crtc->config->ips_enabled && |
d77e4531 PZ |
4535 | ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) == |
4536 | GAMMA_MODE_MODE_SPLIT)) { | |
4537 | hsw_disable_ips(intel_crtc); | |
4538 | reenable_ips = true; | |
4539 | } | |
4540 | ||
4541 | for (i = 0; i < 256; i++) { | |
f0f59a00 | 4542 | i915_reg_t palreg; |
f65a9c5b VS |
4543 | |
4544 | if (HAS_GMCH_DISPLAY(dev)) | |
4545 | palreg = PALETTE(pipe, i); | |
4546 | else | |
4547 | palreg = LGC_PALETTE(pipe, i); | |
4548 | ||
4549 | I915_WRITE(palreg, | |
d77e4531 PZ |
4550 | (intel_crtc->lut_r[i] << 16) | |
4551 | (intel_crtc->lut_g[i] << 8) | | |
4552 | intel_crtc->lut_b[i]); | |
4553 | } | |
4554 | ||
4555 | if (reenable_ips) | |
4556 | hsw_enable_ips(intel_crtc); | |
4557 | } | |
4558 | ||
7cac945f | 4559 | static void intel_crtc_dpms_overlay_disable(struct intel_crtc *intel_crtc) |
d3eedb1a | 4560 | { |
7cac945f | 4561 | if (intel_crtc->overlay) { |
d3eedb1a VS |
4562 | struct drm_device *dev = intel_crtc->base.dev; |
4563 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4564 | ||
4565 | mutex_lock(&dev->struct_mutex); | |
4566 | dev_priv->mm.interruptible = false; | |
4567 | (void) intel_overlay_switch_off(intel_crtc->overlay); | |
4568 | dev_priv->mm.interruptible = true; | |
4569 | mutex_unlock(&dev->struct_mutex); | |
4570 | } | |
4571 | ||
4572 | /* Let userspace switch the overlay on again. In most cases userspace | |
4573 | * has to recompute where to put it anyway. | |
4574 | */ | |
4575 | } | |
4576 | ||
87d4300a ML |
4577 | /** |
4578 | * intel_post_enable_primary - Perform operations after enabling primary plane | |
4579 | * @crtc: the CRTC whose primary plane was just enabled | |
4580 | * | |
4581 | * Performs potentially sleeping operations that must be done after the primary | |
4582 | * plane is enabled, such as updating FBC and IPS. Note that this may be | |
4583 | * called due to an explicit primary plane update, or due to an implicit | |
4584 | * re-enable that is caused when a sprite plane is updated to no longer | |
4585 | * completely hide the primary plane. | |
4586 | */ | |
4587 | static void | |
4588 | intel_post_enable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4589 | { |
4590 | struct drm_device *dev = crtc->dev; | |
87d4300a | 4591 | struct drm_i915_private *dev_priv = dev->dev_private; |
a5c4d7bc VS |
4592 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4593 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4594 | |
87d4300a ML |
4595 | /* |
4596 | * FIXME IPS should be fine as long as one plane is | |
4597 | * enabled, but in practice it seems to have problems | |
4598 | * when going from primary only to sprite only and vice | |
4599 | * versa. | |
4600 | */ | |
a5c4d7bc VS |
4601 | hsw_enable_ips(intel_crtc); |
4602 | ||
f99d7069 | 4603 | /* |
87d4300a ML |
4604 | * Gen2 reports pipe underruns whenever all planes are disabled. |
4605 | * So don't enable underrun reporting before at least some planes | |
4606 | * are enabled. | |
4607 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4608 | * but leave the pipe running. | |
f99d7069 | 4609 | */ |
87d4300a ML |
4610 | if (IS_GEN2(dev)) |
4611 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
4612 | ||
aca7b684 VS |
4613 | /* Underruns don't always raise interrupts, so check manually. */ |
4614 | intel_check_cpu_fifo_underruns(dev_priv); | |
4615 | intel_check_pch_fifo_underruns(dev_priv); | |
a5c4d7bc VS |
4616 | } |
4617 | ||
2622a081 | 4618 | /* FIXME move all this to pre_plane_update() with proper state tracking */ |
87d4300a ML |
4619 | static void |
4620 | intel_pre_disable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4621 | { |
4622 | struct drm_device *dev = crtc->dev; | |
4623 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4624 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4625 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4626 | |
87d4300a ML |
4627 | /* |
4628 | * Gen2 reports pipe underruns whenever all planes are disabled. | |
4629 | * So diasble underrun reporting before all the planes get disabled. | |
4630 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4631 | * but leave the pipe running. | |
4632 | */ | |
4633 | if (IS_GEN2(dev)) | |
4634 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
a5c4d7bc | 4635 | |
2622a081 VS |
4636 | /* |
4637 | * FIXME IPS should be fine as long as one plane is | |
4638 | * enabled, but in practice it seems to have problems | |
4639 | * when going from primary only to sprite only and vice | |
4640 | * versa. | |
4641 | */ | |
4642 | hsw_disable_ips(intel_crtc); | |
4643 | } | |
4644 | ||
4645 | /* FIXME get rid of this and use pre_plane_update */ | |
4646 | static void | |
4647 | intel_pre_disable_primary_noatomic(struct drm_crtc *crtc) | |
4648 | { | |
4649 | struct drm_device *dev = crtc->dev; | |
4650 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4651 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4652 | int pipe = intel_crtc->pipe; | |
4653 | ||
4654 | intel_pre_disable_primary(crtc); | |
4655 | ||
87d4300a ML |
4656 | /* |
4657 | * Vblank time updates from the shadow to live plane control register | |
4658 | * are blocked if the memory self-refresh mode is active at that | |
4659 | * moment. So to make sure the plane gets truly disabled, disable | |
4660 | * first the self-refresh mode. The self-refresh enable bit in turn | |
4661 | * will be checked/applied by the HW only at the next frame start | |
4662 | * event which is after the vblank start event, so we need to have a | |
4663 | * wait-for-vblank between disabling the plane and the pipe. | |
4664 | */ | |
262cd2e1 | 4665 | if (HAS_GMCH_DISPLAY(dev)) { |
87d4300a | 4666 | intel_set_memory_cxsr(dev_priv, false); |
262cd2e1 VS |
4667 | dev_priv->wm.vlv.cxsr = false; |
4668 | intel_wait_for_vblank(dev, pipe); | |
4669 | } | |
87d4300a ML |
4670 | } |
4671 | ||
cd202f69 | 4672 | static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state) |
ac21b225 | 4673 | { |
cd202f69 ML |
4674 | struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); |
4675 | struct drm_atomic_state *old_state = old_crtc_state->base.state; | |
92826fcd ML |
4676 | struct intel_crtc_state *pipe_config = |
4677 | to_intel_crtc_state(crtc->base.state); | |
ac21b225 | 4678 | struct drm_device *dev = crtc->base.dev; |
cd202f69 ML |
4679 | struct drm_plane *primary = crtc->base.primary; |
4680 | struct drm_plane_state *old_pri_state = | |
4681 | drm_atomic_get_existing_plane_state(old_state, primary); | |
ac21b225 | 4682 | |
cd202f69 | 4683 | intel_frontbuffer_flip(dev, pipe_config->fb_bits); |
ac21b225 | 4684 | |
ab1d3a0e | 4685 | crtc->wm.cxsr_allowed = true; |
852eb00d | 4686 | |
caed361d | 4687 | if (pipe_config->update_wm_post && pipe_config->base.active) |
f015c551 VS |
4688 | intel_update_watermarks(&crtc->base); |
4689 | ||
cd202f69 ML |
4690 | if (old_pri_state) { |
4691 | struct intel_plane_state *primary_state = | |
4692 | to_intel_plane_state(primary->state); | |
4693 | struct intel_plane_state *old_primary_state = | |
4694 | to_intel_plane_state(old_pri_state); | |
4695 | ||
31ae71fc ML |
4696 | intel_fbc_post_update(crtc); |
4697 | ||
cd202f69 ML |
4698 | if (primary_state->visible && |
4699 | (needs_modeset(&pipe_config->base) || | |
4700 | !old_primary_state->visible)) | |
4701 | intel_post_enable_primary(&crtc->base); | |
4702 | } | |
ac21b225 ML |
4703 | } |
4704 | ||
5c74cd73 | 4705 | static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state) |
ac21b225 | 4706 | { |
5c74cd73 | 4707 | struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); |
ac21b225 | 4708 | struct drm_device *dev = crtc->base.dev; |
eddfcbcd | 4709 | struct drm_i915_private *dev_priv = dev->dev_private; |
ab1d3a0e ML |
4710 | struct intel_crtc_state *pipe_config = |
4711 | to_intel_crtc_state(crtc->base.state); | |
5c74cd73 ML |
4712 | struct drm_atomic_state *old_state = old_crtc_state->base.state; |
4713 | struct drm_plane *primary = crtc->base.primary; | |
4714 | struct drm_plane_state *old_pri_state = | |
4715 | drm_atomic_get_existing_plane_state(old_state, primary); | |
4716 | bool modeset = needs_modeset(&pipe_config->base); | |
ac21b225 | 4717 | |
5c74cd73 ML |
4718 | if (old_pri_state) { |
4719 | struct intel_plane_state *primary_state = | |
4720 | to_intel_plane_state(primary->state); | |
4721 | struct intel_plane_state *old_primary_state = | |
4722 | to_intel_plane_state(old_pri_state); | |
4723 | ||
31ae71fc ML |
4724 | intel_fbc_pre_update(crtc); |
4725 | ||
5c74cd73 ML |
4726 | if (old_primary_state->visible && |
4727 | (modeset || !primary_state->visible)) | |
4728 | intel_pre_disable_primary(&crtc->base); | |
4729 | } | |
852eb00d | 4730 | |
ab1d3a0e | 4731 | if (pipe_config->disable_cxsr) { |
852eb00d | 4732 | crtc->wm.cxsr_allowed = false; |
2dfd178d | 4733 | |
2622a081 VS |
4734 | /* |
4735 | * Vblank time updates from the shadow to live plane control register | |
4736 | * are blocked if the memory self-refresh mode is active at that | |
4737 | * moment. So to make sure the plane gets truly disabled, disable | |
4738 | * first the self-refresh mode. The self-refresh enable bit in turn | |
4739 | * will be checked/applied by the HW only at the next frame start | |
4740 | * event which is after the vblank start event, so we need to have a | |
4741 | * wait-for-vblank between disabling the plane and the pipe. | |
4742 | */ | |
4743 | if (old_crtc_state->base.active) { | |
2dfd178d | 4744 | intel_set_memory_cxsr(dev_priv, false); |
2622a081 VS |
4745 | dev_priv->wm.vlv.cxsr = false; |
4746 | intel_wait_for_vblank(dev, crtc->pipe); | |
4747 | } | |
852eb00d | 4748 | } |
92826fcd | 4749 | |
ed4a6a7c MR |
4750 | /* |
4751 | * IVB workaround: must disable low power watermarks for at least | |
4752 | * one frame before enabling scaling. LP watermarks can be re-enabled | |
4753 | * when scaling is disabled. | |
4754 | * | |
4755 | * WaCxSRDisabledForSpriteScaling:ivb | |
4756 | */ | |
4757 | if (pipe_config->disable_lp_wm) { | |
4758 | ilk_disable_lp_wm(dev); | |
4759 | intel_wait_for_vblank(dev, crtc->pipe); | |
4760 | } | |
4761 | ||
4762 | /* | |
4763 | * If we're doing a modeset, we're done. No need to do any pre-vblank | |
4764 | * watermark programming here. | |
4765 | */ | |
4766 | if (needs_modeset(&pipe_config->base)) | |
4767 | return; | |
4768 | ||
4769 | /* | |
4770 | * For platforms that support atomic watermarks, program the | |
4771 | * 'intermediate' watermarks immediately. On pre-gen9 platforms, these | |
4772 | * will be the intermediate values that are safe for both pre- and | |
4773 | * post- vblank; when vblank happens, the 'active' values will be set | |
4774 | * to the final 'target' values and we'll do this again to get the | |
4775 | * optimal watermarks. For gen9+ platforms, the values we program here | |
4776 | * will be the final target values which will get automatically latched | |
4777 | * at vblank time; no further programming will be necessary. | |
4778 | * | |
4779 | * If a platform hasn't been transitioned to atomic watermarks yet, | |
4780 | * we'll continue to update watermarks the old way, if flags tell | |
4781 | * us to. | |
4782 | */ | |
4783 | if (dev_priv->display.initial_watermarks != NULL) | |
4784 | dev_priv->display.initial_watermarks(pipe_config); | |
caed361d | 4785 | else if (pipe_config->update_wm_pre) |
92826fcd | 4786 | intel_update_watermarks(&crtc->base); |
ac21b225 ML |
4787 | } |
4788 | ||
d032ffa0 | 4789 | static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned plane_mask) |
87d4300a ML |
4790 | { |
4791 | struct drm_device *dev = crtc->dev; | |
4792 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
d032ffa0 | 4793 | struct drm_plane *p; |
87d4300a ML |
4794 | int pipe = intel_crtc->pipe; |
4795 | ||
7cac945f | 4796 | intel_crtc_dpms_overlay_disable(intel_crtc); |
27321ae8 | 4797 | |
d032ffa0 ML |
4798 | drm_for_each_plane_mask(p, dev, plane_mask) |
4799 | to_intel_plane(p)->disable_plane(p, crtc); | |
f98551ae | 4800 | |
f99d7069 DV |
4801 | /* |
4802 | * FIXME: Once we grow proper nuclear flip support out of this we need | |
4803 | * to compute the mask of flip planes precisely. For the time being | |
4804 | * consider this a flip to a NULL plane. | |
4805 | */ | |
4806 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe)); | |
a5c4d7bc VS |
4807 | } |
4808 | ||
f67a559d JB |
4809 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
4810 | { | |
4811 | struct drm_device *dev = crtc->dev; | |
4812 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4813 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4814 | struct intel_encoder *encoder; |
f67a559d | 4815 | int pipe = intel_crtc->pipe; |
f67a559d | 4816 | |
53d9f4e9 | 4817 | if (WARN_ON(intel_crtc->active)) |
f67a559d JB |
4818 | return; |
4819 | ||
81b088ca VS |
4820 | if (intel_crtc->config->has_pch_encoder) |
4821 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); | |
4822 | ||
6e3c9717 | 4823 | if (intel_crtc->config->has_pch_encoder) |
b14b1055 DV |
4824 | intel_prepare_shared_dpll(intel_crtc); |
4825 | ||
6e3c9717 | 4826 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4827 | intel_dp_set_m_n(intel_crtc, M1_N1); |
29407aab DV |
4828 | |
4829 | intel_set_pipe_timings(intel_crtc); | |
4830 | ||
6e3c9717 | 4831 | if (intel_crtc->config->has_pch_encoder) { |
29407aab | 4832 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4833 | &intel_crtc->config->fdi_m_n, NULL); |
29407aab DV |
4834 | } |
4835 | ||
4836 | ironlake_set_pipeconf(crtc); | |
4837 | ||
f67a559d | 4838 | intel_crtc->active = true; |
8664281b | 4839 | |
a72e4c9f | 4840 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
8664281b | 4841 | |
f6736a1a | 4842 | for_each_encoder_on_crtc(dev, crtc, encoder) |
952735ee DV |
4843 | if (encoder->pre_enable) |
4844 | encoder->pre_enable(encoder); | |
f67a559d | 4845 | |
6e3c9717 | 4846 | if (intel_crtc->config->has_pch_encoder) { |
fff367c7 DV |
4847 | /* Note: FDI PLL enabling _must_ be done before we enable the |
4848 | * cpu pipes, hence this is separate from all the other fdi/pch | |
4849 | * enabling. */ | |
88cefb6c | 4850 | ironlake_fdi_pll_enable(intel_crtc); |
46b6f814 DV |
4851 | } else { |
4852 | assert_fdi_tx_disabled(dev_priv, pipe); | |
4853 | assert_fdi_rx_disabled(dev_priv, pipe); | |
4854 | } | |
f67a559d | 4855 | |
b074cec8 | 4856 | ironlake_pfit_enable(intel_crtc); |
f67a559d | 4857 | |
9c54c0dd JB |
4858 | /* |
4859 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4860 | * clocks enabled | |
4861 | */ | |
4862 | intel_crtc_load_lut(crtc); | |
4863 | ||
1d5bf5d9 ID |
4864 | if (dev_priv->display.initial_watermarks != NULL) |
4865 | dev_priv->display.initial_watermarks(intel_crtc->config); | |
e1fdc473 | 4866 | intel_enable_pipe(intel_crtc); |
f67a559d | 4867 | |
6e3c9717 | 4868 | if (intel_crtc->config->has_pch_encoder) |
f67a559d | 4869 | ironlake_pch_enable(crtc); |
c98e9dcf | 4870 | |
f9b61ff6 DV |
4871 | assert_vblank_disabled(crtc); |
4872 | drm_crtc_vblank_on(crtc); | |
4873 | ||
fa5c73b1 DV |
4874 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4875 | encoder->enable(encoder); | |
61b77ddd DV |
4876 | |
4877 | if (HAS_PCH_CPT(dev)) | |
a1520318 | 4878 | cpt_verify_modeset(dev, intel_crtc->pipe); |
37ca8d4c VS |
4879 | |
4880 | /* Must wait for vblank to avoid spurious PCH FIFO underruns */ | |
4881 | if (intel_crtc->config->has_pch_encoder) | |
4882 | intel_wait_for_vblank(dev, pipe); | |
4883 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); | |
6be4a607 JB |
4884 | } |
4885 | ||
42db64ef PZ |
4886 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
4887 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) | |
4888 | { | |
f5adf94e | 4889 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
42db64ef PZ |
4890 | } |
4891 | ||
4f771f10 PZ |
4892 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
4893 | { | |
4894 | struct drm_device *dev = crtc->dev; | |
4895 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4896 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4897 | struct intel_encoder *encoder; | |
99d736a2 ML |
4898 | int pipe = intel_crtc->pipe, hsw_workaround_pipe; |
4899 | struct intel_crtc_state *pipe_config = | |
4900 | to_intel_crtc_state(crtc->state); | |
4f771f10 | 4901 | |
53d9f4e9 | 4902 | if (WARN_ON(intel_crtc->active)) |
4f771f10 PZ |
4903 | return; |
4904 | ||
81b088ca VS |
4905 | if (intel_crtc->config->has_pch_encoder) |
4906 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, | |
4907 | false); | |
4908 | ||
8106ddbd | 4909 | if (intel_crtc->config->shared_dpll) |
df8ad70c DV |
4910 | intel_enable_shared_dpll(intel_crtc); |
4911 | ||
6e3c9717 | 4912 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4913 | intel_dp_set_m_n(intel_crtc, M1_N1); |
229fca97 DV |
4914 | |
4915 | intel_set_pipe_timings(intel_crtc); | |
4916 | ||
6e3c9717 ACO |
4917 | if (intel_crtc->config->cpu_transcoder != TRANSCODER_EDP) { |
4918 | I915_WRITE(PIPE_MULT(intel_crtc->config->cpu_transcoder), | |
4919 | intel_crtc->config->pixel_multiplier - 1); | |
ebb69c95 CT |
4920 | } |
4921 | ||
6e3c9717 | 4922 | if (intel_crtc->config->has_pch_encoder) { |
229fca97 | 4923 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4924 | &intel_crtc->config->fdi_m_n, NULL); |
229fca97 DV |
4925 | } |
4926 | ||
4927 | haswell_set_pipeconf(crtc); | |
4928 | ||
4929 | intel_set_pipe_csc(crtc); | |
4930 | ||
4f771f10 | 4931 | intel_crtc->active = true; |
8664281b | 4932 | |
6b698516 DV |
4933 | if (intel_crtc->config->has_pch_encoder) |
4934 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
4935 | else | |
4936 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
4937 | ||
7d4aefd0 | 4938 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4f771f10 PZ |
4939 | if (encoder->pre_enable) |
4940 | encoder->pre_enable(encoder); | |
7d4aefd0 | 4941 | } |
4f771f10 | 4942 | |
d2d65408 | 4943 | if (intel_crtc->config->has_pch_encoder) |
4fe9467d | 4944 | dev_priv->display.fdi_link_train(crtc); |
4fe9467d | 4945 | |
a65347ba | 4946 | if (!intel_crtc->config->has_dsi_encoder) |
7d4aefd0 | 4947 | intel_ddi_enable_pipe_clock(intel_crtc); |
4f771f10 | 4948 | |
1c132b44 | 4949 | if (INTEL_INFO(dev)->gen >= 9) |
e435d6e5 | 4950 | skylake_pfit_enable(intel_crtc); |
ff6d9f55 | 4951 | else |
1c132b44 | 4952 | ironlake_pfit_enable(intel_crtc); |
4f771f10 PZ |
4953 | |
4954 | /* | |
4955 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4956 | * clocks enabled | |
4957 | */ | |
4958 | intel_crtc_load_lut(crtc); | |
4959 | ||
1f544388 | 4960 | intel_ddi_set_pipe_settings(crtc); |
a65347ba | 4961 | if (!intel_crtc->config->has_dsi_encoder) |
7d4aefd0 | 4962 | intel_ddi_enable_transcoder_func(crtc); |
4f771f10 | 4963 | |
1d5bf5d9 ID |
4964 | if (dev_priv->display.initial_watermarks != NULL) |
4965 | dev_priv->display.initial_watermarks(pipe_config); | |
4966 | else | |
4967 | intel_update_watermarks(crtc); | |
e1fdc473 | 4968 | intel_enable_pipe(intel_crtc); |
42db64ef | 4969 | |
6e3c9717 | 4970 | if (intel_crtc->config->has_pch_encoder) |
1507e5bd | 4971 | lpt_pch_enable(crtc); |
4f771f10 | 4972 | |
a65347ba | 4973 | if (intel_crtc->config->dp_encoder_is_mst) |
0e32b39c DA |
4974 | intel_ddi_set_vc_payload_alloc(crtc, true); |
4975 | ||
f9b61ff6 DV |
4976 | assert_vblank_disabled(crtc); |
4977 | drm_crtc_vblank_on(crtc); | |
4978 | ||
8807e55b | 4979 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4f771f10 | 4980 | encoder->enable(encoder); |
8807e55b JN |
4981 | intel_opregion_notify_encoder(encoder, true); |
4982 | } | |
4f771f10 | 4983 | |
6b698516 DV |
4984 | if (intel_crtc->config->has_pch_encoder) { |
4985 | intel_wait_for_vblank(dev, pipe); | |
4986 | intel_wait_for_vblank(dev, pipe); | |
4987 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
d2d65408 VS |
4988 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
4989 | true); | |
6b698516 | 4990 | } |
d2d65408 | 4991 | |
e4916946 PZ |
4992 | /* If we change the relative order between pipe/planes enabling, we need |
4993 | * to change the workaround. */ | |
99d736a2 ML |
4994 | hsw_workaround_pipe = pipe_config->hsw_workaround_pipe; |
4995 | if (IS_HASWELL(dev) && hsw_workaround_pipe != INVALID_PIPE) { | |
4996 | intel_wait_for_vblank(dev, hsw_workaround_pipe); | |
4997 | intel_wait_for_vblank(dev, hsw_workaround_pipe); | |
4998 | } | |
4f771f10 PZ |
4999 | } |
5000 | ||
bfd16b2a | 5001 | static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force) |
3f8dce3a DV |
5002 | { |
5003 | struct drm_device *dev = crtc->base.dev; | |
5004 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5005 | int pipe = crtc->pipe; | |
5006 | ||
5007 | /* To avoid upsetting the power well on haswell only disable the pfit if | |
5008 | * it's in use. The hw state code will make sure we get this right. */ | |
bfd16b2a | 5009 | if (force || crtc->config->pch_pfit.enabled) { |
3f8dce3a DV |
5010 | I915_WRITE(PF_CTL(pipe), 0); |
5011 | I915_WRITE(PF_WIN_POS(pipe), 0); | |
5012 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
5013 | } | |
5014 | } | |
5015 | ||
6be4a607 JB |
5016 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
5017 | { | |
5018 | struct drm_device *dev = crtc->dev; | |
5019 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5020 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 5021 | struct intel_encoder *encoder; |
6be4a607 | 5022 | int pipe = intel_crtc->pipe; |
b52eb4dc | 5023 | |
37ca8d4c VS |
5024 | if (intel_crtc->config->has_pch_encoder) |
5025 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); | |
5026 | ||
ea9d758d DV |
5027 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5028 | encoder->disable(encoder); | |
5029 | ||
f9b61ff6 DV |
5030 | drm_crtc_vblank_off(crtc); |
5031 | assert_vblank_disabled(crtc); | |
5032 | ||
3860b2ec VS |
5033 | /* |
5034 | * Sometimes spurious CPU pipe underruns happen when the | |
5035 | * pipe is already disabled, but FDI RX/TX is still enabled. | |
5036 | * Happens at least with VGA+HDMI cloning. Suppress them. | |
5037 | */ | |
5038 | if (intel_crtc->config->has_pch_encoder) | |
5039 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
5040 | ||
575f7ab7 | 5041 | intel_disable_pipe(intel_crtc); |
32f9d658 | 5042 | |
bfd16b2a | 5043 | ironlake_pfit_disable(intel_crtc, false); |
2c07245f | 5044 | |
3860b2ec | 5045 | if (intel_crtc->config->has_pch_encoder) { |
5a74f70a | 5046 | ironlake_fdi_disable(crtc); |
3860b2ec VS |
5047 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
5048 | } | |
5a74f70a | 5049 | |
bf49ec8c DV |
5050 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5051 | if (encoder->post_disable) | |
5052 | encoder->post_disable(encoder); | |
2c07245f | 5053 | |
6e3c9717 | 5054 | if (intel_crtc->config->has_pch_encoder) { |
d925c59a | 5055 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
6be4a607 | 5056 | |
d925c59a | 5057 | if (HAS_PCH_CPT(dev)) { |
f0f59a00 VS |
5058 | i915_reg_t reg; |
5059 | u32 temp; | |
5060 | ||
d925c59a DV |
5061 | /* disable TRANS_DP_CTL */ |
5062 | reg = TRANS_DP_CTL(pipe); | |
5063 | temp = I915_READ(reg); | |
5064 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | | |
5065 | TRANS_DP_PORT_SEL_MASK); | |
5066 | temp |= TRANS_DP_PORT_SEL_NONE; | |
5067 | I915_WRITE(reg, temp); | |
5068 | ||
5069 | /* disable DPLL_SEL */ | |
5070 | temp = I915_READ(PCH_DPLL_SEL); | |
11887397 | 5071 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
d925c59a | 5072 | I915_WRITE(PCH_DPLL_SEL, temp); |
9db4a9c7 | 5073 | } |
e3421a18 | 5074 | |
d925c59a DV |
5075 | ironlake_fdi_pll_disable(intel_crtc); |
5076 | } | |
81b088ca VS |
5077 | |
5078 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); | |
6be4a607 | 5079 | } |
1b3c7a47 | 5080 | |
4f771f10 | 5081 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
ee7b9f93 | 5082 | { |
4f771f10 PZ |
5083 | struct drm_device *dev = crtc->dev; |
5084 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee7b9f93 | 5085 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4f771f10 | 5086 | struct intel_encoder *encoder; |
6e3c9717 | 5087 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee7b9f93 | 5088 | |
d2d65408 VS |
5089 | if (intel_crtc->config->has_pch_encoder) |
5090 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, | |
5091 | false); | |
5092 | ||
8807e55b JN |
5093 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
5094 | intel_opregion_notify_encoder(encoder, false); | |
4f771f10 | 5095 | encoder->disable(encoder); |
8807e55b | 5096 | } |
4f771f10 | 5097 | |
f9b61ff6 DV |
5098 | drm_crtc_vblank_off(crtc); |
5099 | assert_vblank_disabled(crtc); | |
5100 | ||
575f7ab7 | 5101 | intel_disable_pipe(intel_crtc); |
4f771f10 | 5102 | |
6e3c9717 | 5103 | if (intel_crtc->config->dp_encoder_is_mst) |
a4bf214f VS |
5104 | intel_ddi_set_vc_payload_alloc(crtc, false); |
5105 | ||
a65347ba | 5106 | if (!intel_crtc->config->has_dsi_encoder) |
7d4aefd0 | 5107 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); |
4f771f10 | 5108 | |
1c132b44 | 5109 | if (INTEL_INFO(dev)->gen >= 9) |
e435d6e5 | 5110 | skylake_scaler_disable(intel_crtc); |
ff6d9f55 | 5111 | else |
bfd16b2a | 5112 | ironlake_pfit_disable(intel_crtc, false); |
4f771f10 | 5113 | |
a65347ba | 5114 | if (!intel_crtc->config->has_dsi_encoder) |
7d4aefd0 | 5115 | intel_ddi_disable_pipe_clock(intel_crtc); |
4f771f10 | 5116 | |
97b040aa ID |
5117 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5118 | if (encoder->post_disable) | |
5119 | encoder->post_disable(encoder); | |
81b088ca | 5120 | |
92966a37 VS |
5121 | if (intel_crtc->config->has_pch_encoder) { |
5122 | lpt_disable_pch_transcoder(dev_priv); | |
503a74e9 | 5123 | lpt_disable_iclkip(dev_priv); |
92966a37 VS |
5124 | intel_ddi_fdi_disable(crtc); |
5125 | ||
81b088ca VS |
5126 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
5127 | true); | |
92966a37 | 5128 | } |
4f771f10 PZ |
5129 | } |
5130 | ||
2dd24552 JB |
5131 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
5132 | { | |
5133 | struct drm_device *dev = crtc->base.dev; | |
5134 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 5135 | struct intel_crtc_state *pipe_config = crtc->config; |
2dd24552 | 5136 | |
681a8504 | 5137 | if (!pipe_config->gmch_pfit.control) |
2dd24552 JB |
5138 | return; |
5139 | ||
2dd24552 | 5140 | /* |
c0b03411 DV |
5141 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
5142 | * according to register description and PRM. | |
2dd24552 | 5143 | */ |
c0b03411 DV |
5144 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
5145 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
2dd24552 | 5146 | |
b074cec8 JB |
5147 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
5148 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); | |
5a80c45c DV |
5149 | |
5150 | /* Border color in case we don't scale up to the full screen. Black by | |
5151 | * default, change to something else for debugging. */ | |
5152 | I915_WRITE(BCLRPAT(crtc->pipe), 0); | |
2dd24552 JB |
5153 | } |
5154 | ||
d05410f9 DA |
5155 | static enum intel_display_power_domain port_to_power_domain(enum port port) |
5156 | { | |
5157 | switch (port) { | |
5158 | case PORT_A: | |
6331a704 | 5159 | return POWER_DOMAIN_PORT_DDI_A_LANES; |
d05410f9 | 5160 | case PORT_B: |
6331a704 | 5161 | return POWER_DOMAIN_PORT_DDI_B_LANES; |
d05410f9 | 5162 | case PORT_C: |
6331a704 | 5163 | return POWER_DOMAIN_PORT_DDI_C_LANES; |
d05410f9 | 5164 | case PORT_D: |
6331a704 | 5165 | return POWER_DOMAIN_PORT_DDI_D_LANES; |
d8e19f99 | 5166 | case PORT_E: |
6331a704 | 5167 | return POWER_DOMAIN_PORT_DDI_E_LANES; |
d05410f9 | 5168 | default: |
b9fec167 | 5169 | MISSING_CASE(port); |
d05410f9 DA |
5170 | return POWER_DOMAIN_PORT_OTHER; |
5171 | } | |
5172 | } | |
5173 | ||
25f78f58 VS |
5174 | static enum intel_display_power_domain port_to_aux_power_domain(enum port port) |
5175 | { | |
5176 | switch (port) { | |
5177 | case PORT_A: | |
5178 | return POWER_DOMAIN_AUX_A; | |
5179 | case PORT_B: | |
5180 | return POWER_DOMAIN_AUX_B; | |
5181 | case PORT_C: | |
5182 | return POWER_DOMAIN_AUX_C; | |
5183 | case PORT_D: | |
5184 | return POWER_DOMAIN_AUX_D; | |
5185 | case PORT_E: | |
5186 | /* FIXME: Check VBT for actual wiring of PORT E */ | |
5187 | return POWER_DOMAIN_AUX_D; | |
5188 | default: | |
b9fec167 | 5189 | MISSING_CASE(port); |
25f78f58 VS |
5190 | return POWER_DOMAIN_AUX_A; |
5191 | } | |
5192 | } | |
5193 | ||
319be8ae ID |
5194 | enum intel_display_power_domain |
5195 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) | |
5196 | { | |
5197 | struct drm_device *dev = intel_encoder->base.dev; | |
5198 | struct intel_digital_port *intel_dig_port; | |
5199 | ||
5200 | switch (intel_encoder->type) { | |
5201 | case INTEL_OUTPUT_UNKNOWN: | |
5202 | /* Only DDI platforms should ever use this output type */ | |
5203 | WARN_ON_ONCE(!HAS_DDI(dev)); | |
5204 | case INTEL_OUTPUT_DISPLAYPORT: | |
5205 | case INTEL_OUTPUT_HDMI: | |
5206 | case INTEL_OUTPUT_EDP: | |
5207 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
d05410f9 | 5208 | return port_to_power_domain(intel_dig_port->port); |
0e32b39c DA |
5209 | case INTEL_OUTPUT_DP_MST: |
5210 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; | |
5211 | return port_to_power_domain(intel_dig_port->port); | |
319be8ae ID |
5212 | case INTEL_OUTPUT_ANALOG: |
5213 | return POWER_DOMAIN_PORT_CRT; | |
5214 | case INTEL_OUTPUT_DSI: | |
5215 | return POWER_DOMAIN_PORT_DSI; | |
5216 | default: | |
5217 | return POWER_DOMAIN_PORT_OTHER; | |
5218 | } | |
5219 | } | |
5220 | ||
25f78f58 VS |
5221 | enum intel_display_power_domain |
5222 | intel_display_port_aux_power_domain(struct intel_encoder *intel_encoder) | |
5223 | { | |
5224 | struct drm_device *dev = intel_encoder->base.dev; | |
5225 | struct intel_digital_port *intel_dig_port; | |
5226 | ||
5227 | switch (intel_encoder->type) { | |
5228 | case INTEL_OUTPUT_UNKNOWN: | |
651174a4 ID |
5229 | case INTEL_OUTPUT_HDMI: |
5230 | /* | |
5231 | * Only DDI platforms should ever use these output types. | |
5232 | * We can get here after the HDMI detect code has already set | |
5233 | * the type of the shared encoder. Since we can't be sure | |
5234 | * what's the status of the given connectors, play safe and | |
5235 | * run the DP detection too. | |
5236 | */ | |
25f78f58 VS |
5237 | WARN_ON_ONCE(!HAS_DDI(dev)); |
5238 | case INTEL_OUTPUT_DISPLAYPORT: | |
5239 | case INTEL_OUTPUT_EDP: | |
5240 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
5241 | return port_to_aux_power_domain(intel_dig_port->port); | |
5242 | case INTEL_OUTPUT_DP_MST: | |
5243 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; | |
5244 | return port_to_aux_power_domain(intel_dig_port->port); | |
5245 | default: | |
b9fec167 | 5246 | MISSING_CASE(intel_encoder->type); |
25f78f58 VS |
5247 | return POWER_DOMAIN_AUX_A; |
5248 | } | |
5249 | } | |
5250 | ||
74bff5f9 ML |
5251 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc, |
5252 | struct intel_crtc_state *crtc_state) | |
77d22dca | 5253 | { |
319be8ae | 5254 | struct drm_device *dev = crtc->dev; |
74bff5f9 | 5255 | struct drm_encoder *encoder; |
319be8ae ID |
5256 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
5257 | enum pipe pipe = intel_crtc->pipe; | |
77d22dca | 5258 | unsigned long mask; |
74bff5f9 | 5259 | enum transcoder transcoder = crtc_state->cpu_transcoder; |
77d22dca | 5260 | |
74bff5f9 | 5261 | if (!crtc_state->base.active) |
292b990e ML |
5262 | return 0; |
5263 | ||
77d22dca ID |
5264 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); |
5265 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); | |
74bff5f9 ML |
5266 | if (crtc_state->pch_pfit.enabled || |
5267 | crtc_state->pch_pfit.force_thru) | |
77d22dca ID |
5268 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); |
5269 | ||
74bff5f9 ML |
5270 | drm_for_each_encoder_mask(encoder, dev, crtc_state->base.encoder_mask) { |
5271 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); | |
5272 | ||
319be8ae | 5273 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); |
74bff5f9 | 5274 | } |
319be8ae | 5275 | |
77d22dca ID |
5276 | return mask; |
5277 | } | |
5278 | ||
74bff5f9 ML |
5279 | static unsigned long |
5280 | modeset_get_crtc_power_domains(struct drm_crtc *crtc, | |
5281 | struct intel_crtc_state *crtc_state) | |
77d22dca | 5282 | { |
292b990e ML |
5283 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
5284 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5285 | enum intel_display_power_domain domain; | |
5286 | unsigned long domains, new_domains, old_domains; | |
77d22dca | 5287 | |
292b990e | 5288 | old_domains = intel_crtc->enabled_power_domains; |
74bff5f9 ML |
5289 | intel_crtc->enabled_power_domains = new_domains = |
5290 | get_crtc_power_domains(crtc, crtc_state); | |
77d22dca | 5291 | |
292b990e ML |
5292 | domains = new_domains & ~old_domains; |
5293 | ||
5294 | for_each_power_domain(domain, domains) | |
5295 | intel_display_power_get(dev_priv, domain); | |
5296 | ||
5297 | return old_domains & ~new_domains; | |
5298 | } | |
5299 | ||
5300 | static void modeset_put_power_domains(struct drm_i915_private *dev_priv, | |
5301 | unsigned long domains) | |
5302 | { | |
5303 | enum intel_display_power_domain domain; | |
5304 | ||
5305 | for_each_power_domain(domain, domains) | |
5306 | intel_display_power_put(dev_priv, domain); | |
5307 | } | |
77d22dca | 5308 | |
adafdc6f MK |
5309 | static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv) |
5310 | { | |
5311 | int max_cdclk_freq = dev_priv->max_cdclk_freq; | |
5312 | ||
5313 | if (INTEL_INFO(dev_priv)->gen >= 9 || | |
5314 | IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) | |
5315 | return max_cdclk_freq; | |
5316 | else if (IS_CHERRYVIEW(dev_priv)) | |
5317 | return max_cdclk_freq*95/100; | |
5318 | else if (INTEL_INFO(dev_priv)->gen < 4) | |
5319 | return 2*max_cdclk_freq*90/100; | |
5320 | else | |
5321 | return max_cdclk_freq*90/100; | |
5322 | } | |
5323 | ||
560a7ae4 DL |
5324 | static void intel_update_max_cdclk(struct drm_device *dev) |
5325 | { | |
5326 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5327 | ||
ef11bdb3 | 5328 | if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { |
560a7ae4 DL |
5329 | u32 limit = I915_READ(SKL_DFSM) & SKL_DFSM_CDCLK_LIMIT_MASK; |
5330 | ||
5331 | if (limit == SKL_DFSM_CDCLK_LIMIT_675) | |
5332 | dev_priv->max_cdclk_freq = 675000; | |
5333 | else if (limit == SKL_DFSM_CDCLK_LIMIT_540) | |
5334 | dev_priv->max_cdclk_freq = 540000; | |
5335 | else if (limit == SKL_DFSM_CDCLK_LIMIT_450) | |
5336 | dev_priv->max_cdclk_freq = 450000; | |
5337 | else | |
5338 | dev_priv->max_cdclk_freq = 337500; | |
5339 | } else if (IS_BROADWELL(dev)) { | |
5340 | /* | |
5341 | * FIXME with extra cooling we can allow | |
5342 | * 540 MHz for ULX and 675 Mhz for ULT. | |
5343 | * How can we know if extra cooling is | |
5344 | * available? PCI ID, VTB, something else? | |
5345 | */ | |
5346 | if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
5347 | dev_priv->max_cdclk_freq = 450000; | |
5348 | else if (IS_BDW_ULX(dev)) | |
5349 | dev_priv->max_cdclk_freq = 450000; | |
5350 | else if (IS_BDW_ULT(dev)) | |
5351 | dev_priv->max_cdclk_freq = 540000; | |
5352 | else | |
5353 | dev_priv->max_cdclk_freq = 675000; | |
0904deaf MK |
5354 | } else if (IS_CHERRYVIEW(dev)) { |
5355 | dev_priv->max_cdclk_freq = 320000; | |
560a7ae4 DL |
5356 | } else if (IS_VALLEYVIEW(dev)) { |
5357 | dev_priv->max_cdclk_freq = 400000; | |
5358 | } else { | |
5359 | /* otherwise assume cdclk is fixed */ | |
5360 | dev_priv->max_cdclk_freq = dev_priv->cdclk_freq; | |
5361 | } | |
5362 | ||
adafdc6f MK |
5363 | dev_priv->max_dotclk_freq = intel_compute_max_dotclk(dev_priv); |
5364 | ||
560a7ae4 DL |
5365 | DRM_DEBUG_DRIVER("Max CD clock rate: %d kHz\n", |
5366 | dev_priv->max_cdclk_freq); | |
adafdc6f MK |
5367 | |
5368 | DRM_DEBUG_DRIVER("Max dotclock rate: %d kHz\n", | |
5369 | dev_priv->max_dotclk_freq); | |
560a7ae4 DL |
5370 | } |
5371 | ||
5372 | static void intel_update_cdclk(struct drm_device *dev) | |
5373 | { | |
5374 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5375 | ||
5376 | dev_priv->cdclk_freq = dev_priv->display.get_display_clock_speed(dev); | |
5377 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n", | |
5378 | dev_priv->cdclk_freq); | |
5379 | ||
5380 | /* | |
5381 | * Program the gmbus_freq based on the cdclk frequency. | |
5382 | * BSpec erroneously claims we should aim for 4MHz, but | |
5383 | * in fact 1MHz is the correct frequency. | |
5384 | */ | |
666a4537 | 5385 | if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
560a7ae4 DL |
5386 | /* |
5387 | * Program the gmbus_freq based on the cdclk frequency. | |
5388 | * BSpec erroneously claims we should aim for 4MHz, but | |
5389 | * in fact 1MHz is the correct frequency. | |
5390 | */ | |
5391 | I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->cdclk_freq, 1000)); | |
5392 | } | |
5393 | ||
5394 | if (dev_priv->max_cdclk_freq == 0) | |
5395 | intel_update_max_cdclk(dev); | |
5396 | } | |
5397 | ||
70d0c574 | 5398 | static void broxton_set_cdclk(struct drm_device *dev, int frequency) |
f8437dd1 VK |
5399 | { |
5400 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5401 | uint32_t divider; | |
5402 | uint32_t ratio; | |
5403 | uint32_t current_freq; | |
5404 | int ret; | |
5405 | ||
5406 | /* frequency = 19.2MHz * ratio / 2 / div{1,1.5,2,4} */ | |
5407 | switch (frequency) { | |
5408 | case 144000: | |
5409 | divider = BXT_CDCLK_CD2X_DIV_SEL_4; | |
5410 | ratio = BXT_DE_PLL_RATIO(60); | |
5411 | break; | |
5412 | case 288000: | |
5413 | divider = BXT_CDCLK_CD2X_DIV_SEL_2; | |
5414 | ratio = BXT_DE_PLL_RATIO(60); | |
5415 | break; | |
5416 | case 384000: | |
5417 | divider = BXT_CDCLK_CD2X_DIV_SEL_1_5; | |
5418 | ratio = BXT_DE_PLL_RATIO(60); | |
5419 | break; | |
5420 | case 576000: | |
5421 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; | |
5422 | ratio = BXT_DE_PLL_RATIO(60); | |
5423 | break; | |
5424 | case 624000: | |
5425 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; | |
5426 | ratio = BXT_DE_PLL_RATIO(65); | |
5427 | break; | |
5428 | case 19200: | |
5429 | /* | |
5430 | * Bypass frequency with DE PLL disabled. Init ratio, divider | |
5431 | * to suppress GCC warning. | |
5432 | */ | |
5433 | ratio = 0; | |
5434 | divider = 0; | |
5435 | break; | |
5436 | default: | |
5437 | DRM_ERROR("unsupported CDCLK freq %d", frequency); | |
5438 | ||
5439 | return; | |
5440 | } | |
5441 | ||
5442 | mutex_lock(&dev_priv->rps.hw_lock); | |
5443 | /* Inform power controller of upcoming frequency change */ | |
5444 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
5445 | 0x80000000); | |
5446 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5447 | ||
5448 | if (ret) { | |
5449 | DRM_ERROR("PCode CDCLK freq change notify failed (err %d, freq %d)\n", | |
5450 | ret, frequency); | |
5451 | return; | |
5452 | } | |
5453 | ||
5454 | current_freq = I915_READ(CDCLK_CTL) & CDCLK_FREQ_DECIMAL_MASK; | |
5455 | /* convert from .1 fixpoint MHz with -1MHz offset to kHz */ | |
5456 | current_freq = current_freq * 500 + 1000; | |
5457 | ||
5458 | /* | |
5459 | * DE PLL has to be disabled when | |
5460 | * - setting to 19.2MHz (bypass, PLL isn't used) | |
5461 | * - before setting to 624MHz (PLL needs toggling) | |
5462 | * - before setting to any frequency from 624MHz (PLL needs toggling) | |
5463 | */ | |
5464 | if (frequency == 19200 || frequency == 624000 || | |
5465 | current_freq == 624000) { | |
5466 | I915_WRITE(BXT_DE_PLL_ENABLE, ~BXT_DE_PLL_PLL_ENABLE); | |
5467 | /* Timeout 200us */ | |
5468 | if (wait_for(!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK), | |
5469 | 1)) | |
5470 | DRM_ERROR("timout waiting for DE PLL unlock\n"); | |
5471 | } | |
5472 | ||
5473 | if (frequency != 19200) { | |
5474 | uint32_t val; | |
5475 | ||
5476 | val = I915_READ(BXT_DE_PLL_CTL); | |
5477 | val &= ~BXT_DE_PLL_RATIO_MASK; | |
5478 | val |= ratio; | |
5479 | I915_WRITE(BXT_DE_PLL_CTL, val); | |
5480 | ||
5481 | I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE); | |
5482 | /* Timeout 200us */ | |
5483 | if (wait_for(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK, 1)) | |
5484 | DRM_ERROR("timeout waiting for DE PLL lock\n"); | |
5485 | ||
5486 | val = I915_READ(CDCLK_CTL); | |
5487 | val &= ~BXT_CDCLK_CD2X_DIV_SEL_MASK; | |
5488 | val |= divider; | |
5489 | /* | |
5490 | * Disable SSA Precharge when CD clock frequency < 500 MHz, | |
5491 | * enable otherwise. | |
5492 | */ | |
5493 | val &= ~BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
5494 | if (frequency >= 500000) | |
5495 | val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
5496 | ||
5497 | val &= ~CDCLK_FREQ_DECIMAL_MASK; | |
5498 | /* convert from kHz to .1 fixpoint MHz with -1MHz offset */ | |
5499 | val |= (frequency - 1000) / 500; | |
5500 | I915_WRITE(CDCLK_CTL, val); | |
5501 | } | |
5502 | ||
5503 | mutex_lock(&dev_priv->rps.hw_lock); | |
5504 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
5505 | DIV_ROUND_UP(frequency, 25000)); | |
5506 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5507 | ||
5508 | if (ret) { | |
5509 | DRM_ERROR("PCode CDCLK freq set failed, (err %d, freq %d)\n", | |
5510 | ret, frequency); | |
5511 | return; | |
5512 | } | |
5513 | ||
a47871bd | 5514 | intel_update_cdclk(dev); |
f8437dd1 VK |
5515 | } |
5516 | ||
5517 | void broxton_init_cdclk(struct drm_device *dev) | |
5518 | { | |
5519 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5520 | uint32_t val; | |
5521 | ||
5522 | /* | |
5523 | * NDE_RSTWRN_OPT RST PCH Handshake En must always be 0b on BXT | |
5524 | * or else the reset will hang because there is no PCH to respond. | |
5525 | * Move the handshake programming to initialization sequence. | |
5526 | * Previously was left up to BIOS. | |
5527 | */ | |
5528 | val = I915_READ(HSW_NDE_RSTWRN_OPT); | |
5529 | val &= ~RESET_PCH_HANDSHAKE_ENABLE; | |
5530 | I915_WRITE(HSW_NDE_RSTWRN_OPT, val); | |
5531 | ||
5532 | /* Enable PG1 for cdclk */ | |
5533 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); | |
5534 | ||
5535 | /* check if cd clock is enabled */ | |
5536 | if (I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_PLL_ENABLE) { | |
5537 | DRM_DEBUG_KMS("Display already initialized\n"); | |
5538 | return; | |
5539 | } | |
5540 | ||
5541 | /* | |
5542 | * FIXME: | |
5543 | * - The initial CDCLK needs to be read from VBT. | |
5544 | * Need to make this change after VBT has changes for BXT. | |
5545 | * - check if setting the max (or any) cdclk freq is really necessary | |
5546 | * here, it belongs to modeset time | |
5547 | */ | |
5548 | broxton_set_cdclk(dev, 624000); | |
5549 | ||
5550 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST); | |
22e02c0b VS |
5551 | POSTING_READ(DBUF_CTL); |
5552 | ||
f8437dd1 VK |
5553 | udelay(10); |
5554 | ||
5555 | if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) | |
5556 | DRM_ERROR("DBuf power enable timeout!\n"); | |
5557 | } | |
5558 | ||
5559 | void broxton_uninit_cdclk(struct drm_device *dev) | |
5560 | { | |
5561 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5562 | ||
5563 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST); | |
22e02c0b VS |
5564 | POSTING_READ(DBUF_CTL); |
5565 | ||
f8437dd1 VK |
5566 | udelay(10); |
5567 | ||
5568 | if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE) | |
5569 | DRM_ERROR("DBuf power disable timeout!\n"); | |
5570 | ||
5571 | /* Set minimum (bypass) frequency, in effect turning off the DE PLL */ | |
5572 | broxton_set_cdclk(dev, 19200); | |
5573 | ||
5574 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
5575 | } | |
5576 | ||
5d96d8af DL |
5577 | static const struct skl_cdclk_entry { |
5578 | unsigned int freq; | |
5579 | unsigned int vco; | |
5580 | } skl_cdclk_frequencies[] = { | |
5581 | { .freq = 308570, .vco = 8640 }, | |
5582 | { .freq = 337500, .vco = 8100 }, | |
5583 | { .freq = 432000, .vco = 8640 }, | |
5584 | { .freq = 450000, .vco = 8100 }, | |
5585 | { .freq = 540000, .vco = 8100 }, | |
5586 | { .freq = 617140, .vco = 8640 }, | |
5587 | { .freq = 675000, .vco = 8100 }, | |
5588 | }; | |
5589 | ||
5590 | static unsigned int skl_cdclk_decimal(unsigned int freq) | |
5591 | { | |
5592 | return (freq - 1000) / 500; | |
5593 | } | |
5594 | ||
5595 | static unsigned int skl_cdclk_get_vco(unsigned int freq) | |
5596 | { | |
5597 | unsigned int i; | |
5598 | ||
5599 | for (i = 0; i < ARRAY_SIZE(skl_cdclk_frequencies); i++) { | |
5600 | const struct skl_cdclk_entry *e = &skl_cdclk_frequencies[i]; | |
5601 | ||
5602 | if (e->freq == freq) | |
5603 | return e->vco; | |
5604 | } | |
5605 | ||
5606 | return 8100; | |
5607 | } | |
5608 | ||
5609 | static void | |
5610 | skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco) | |
5611 | { | |
5612 | unsigned int min_freq; | |
5613 | u32 val; | |
5614 | ||
5615 | /* select the minimum CDCLK before enabling DPLL 0 */ | |
5616 | val = I915_READ(CDCLK_CTL); | |
5617 | val &= ~CDCLK_FREQ_SEL_MASK | ~CDCLK_FREQ_DECIMAL_MASK; | |
5618 | val |= CDCLK_FREQ_337_308; | |
5619 | ||
5620 | if (required_vco == 8640) | |
5621 | min_freq = 308570; | |
5622 | else | |
5623 | min_freq = 337500; | |
5624 | ||
5625 | val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_freq); | |
5626 | ||
5627 | I915_WRITE(CDCLK_CTL, val); | |
5628 | POSTING_READ(CDCLK_CTL); | |
5629 | ||
5630 | /* | |
5631 | * We always enable DPLL0 with the lowest link rate possible, but still | |
5632 | * taking into account the VCO required to operate the eDP panel at the | |
5633 | * desired frequency. The usual DP link rates operate with a VCO of | |
5634 | * 8100 while the eDP 1.4 alternate link rates need a VCO of 8640. | |
5635 | * The modeset code is responsible for the selection of the exact link | |
5636 | * rate later on, with the constraint of choosing a frequency that | |
5637 | * works with required_vco. | |
5638 | */ | |
5639 | val = I915_READ(DPLL_CTRL1); | |
5640 | ||
5641 | val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) | | |
5642 | DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)); | |
5643 | val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0); | |
5644 | if (required_vco == 8640) | |
5645 | val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080, | |
5646 | SKL_DPLL0); | |
5647 | else | |
5648 | val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810, | |
5649 | SKL_DPLL0); | |
5650 | ||
5651 | I915_WRITE(DPLL_CTRL1, val); | |
5652 | POSTING_READ(DPLL_CTRL1); | |
5653 | ||
5654 | I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) | LCPLL_PLL_ENABLE); | |
5655 | ||
5656 | if (wait_for(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK, 5)) | |
5657 | DRM_ERROR("DPLL0 not locked\n"); | |
5658 | } | |
5659 | ||
5660 | static bool skl_cdclk_pcu_ready(struct drm_i915_private *dev_priv) | |
5661 | { | |
5662 | int ret; | |
5663 | u32 val; | |
5664 | ||
5665 | /* inform PCU we want to change CDCLK */ | |
5666 | val = SKL_CDCLK_PREPARE_FOR_CHANGE; | |
5667 | mutex_lock(&dev_priv->rps.hw_lock); | |
5668 | ret = sandybridge_pcode_read(dev_priv, SKL_PCODE_CDCLK_CONTROL, &val); | |
5669 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5670 | ||
5671 | return ret == 0 && (val & SKL_CDCLK_READY_FOR_CHANGE); | |
5672 | } | |
5673 | ||
5674 | static bool skl_cdclk_wait_for_pcu_ready(struct drm_i915_private *dev_priv) | |
5675 | { | |
5676 | unsigned int i; | |
5677 | ||
5678 | for (i = 0; i < 15; i++) { | |
5679 | if (skl_cdclk_pcu_ready(dev_priv)) | |
5680 | return true; | |
5681 | udelay(10); | |
5682 | } | |
5683 | ||
5684 | return false; | |
5685 | } | |
5686 | ||
5687 | static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq) | |
5688 | { | |
560a7ae4 | 5689 | struct drm_device *dev = dev_priv->dev; |
5d96d8af DL |
5690 | u32 freq_select, pcu_ack; |
5691 | ||
5692 | DRM_DEBUG_DRIVER("Changing CDCLK to %dKHz\n", freq); | |
5693 | ||
5694 | if (!skl_cdclk_wait_for_pcu_ready(dev_priv)) { | |
5695 | DRM_ERROR("failed to inform PCU about cdclk change\n"); | |
5696 | return; | |
5697 | } | |
5698 | ||
5699 | /* set CDCLK_CTL */ | |
5700 | switch(freq) { | |
5701 | case 450000: | |
5702 | case 432000: | |
5703 | freq_select = CDCLK_FREQ_450_432; | |
5704 | pcu_ack = 1; | |
5705 | break; | |
5706 | case 540000: | |
5707 | freq_select = CDCLK_FREQ_540; | |
5708 | pcu_ack = 2; | |
5709 | break; | |
5710 | case 308570: | |
5711 | case 337500: | |
5712 | default: | |
5713 | freq_select = CDCLK_FREQ_337_308; | |
5714 | pcu_ack = 0; | |
5715 | break; | |
5716 | case 617140: | |
5717 | case 675000: | |
5718 | freq_select = CDCLK_FREQ_675_617; | |
5719 | pcu_ack = 3; | |
5720 | break; | |
5721 | } | |
5722 | ||
5723 | I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(freq)); | |
5724 | POSTING_READ(CDCLK_CTL); | |
5725 | ||
5726 | /* inform PCU of the change */ | |
5727 | mutex_lock(&dev_priv->rps.hw_lock); | |
5728 | sandybridge_pcode_write(dev_priv, SKL_PCODE_CDCLK_CONTROL, pcu_ack); | |
5729 | mutex_unlock(&dev_priv->rps.hw_lock); | |
560a7ae4 DL |
5730 | |
5731 | intel_update_cdclk(dev); | |
5d96d8af DL |
5732 | } |
5733 | ||
5734 | void skl_uninit_cdclk(struct drm_i915_private *dev_priv) | |
5735 | { | |
5736 | /* disable DBUF power */ | |
5737 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST); | |
5738 | POSTING_READ(DBUF_CTL); | |
5739 | ||
5740 | udelay(10); | |
5741 | ||
5742 | if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE) | |
5743 | DRM_ERROR("DBuf power disable timeout\n"); | |
5744 | ||
ab96c1ee ID |
5745 | /* disable DPLL0 */ |
5746 | I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE); | |
5747 | if (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 1)) | |
5748 | DRM_ERROR("Couldn't disable DPLL0\n"); | |
5d96d8af DL |
5749 | } |
5750 | ||
5751 | void skl_init_cdclk(struct drm_i915_private *dev_priv) | |
5752 | { | |
5d96d8af DL |
5753 | unsigned int required_vco; |
5754 | ||
39d9b85a GW |
5755 | /* DPLL0 not enabled (happens on early BIOS versions) */ |
5756 | if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE)) { | |
5757 | /* enable DPLL0 */ | |
5758 | required_vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk); | |
5759 | skl_dpll0_enable(dev_priv, required_vco); | |
5d96d8af DL |
5760 | } |
5761 | ||
5d96d8af DL |
5762 | /* set CDCLK to the frequency the BIOS chose */ |
5763 | skl_set_cdclk(dev_priv, dev_priv->skl_boot_cdclk); | |
5764 | ||
5765 | /* enable DBUF power */ | |
5766 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST); | |
5767 | POSTING_READ(DBUF_CTL); | |
5768 | ||
5769 | udelay(10); | |
5770 | ||
5771 | if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) | |
5772 | DRM_ERROR("DBuf power enable timeout\n"); | |
5773 | } | |
5774 | ||
c73666f3 SK |
5775 | int skl_sanitize_cdclk(struct drm_i915_private *dev_priv) |
5776 | { | |
5777 | uint32_t lcpll1 = I915_READ(LCPLL1_CTL); | |
5778 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
5779 | int freq = dev_priv->skl_boot_cdclk; | |
5780 | ||
f1b391a5 SK |
5781 | /* |
5782 | * check if the pre-os intialized the display | |
5783 | * There is SWF18 scratchpad register defined which is set by the | |
5784 | * pre-os which can be used by the OS drivers to check the status | |
5785 | */ | |
5786 | if ((I915_READ(SWF_ILK(0x18)) & 0x00FFFFFF) == 0) | |
5787 | goto sanitize; | |
5788 | ||
c73666f3 SK |
5789 | /* Is PLL enabled and locked ? */ |
5790 | if (!((lcpll1 & LCPLL_PLL_ENABLE) && (lcpll1 & LCPLL_PLL_LOCK))) | |
5791 | goto sanitize; | |
5792 | ||
5793 | /* DPLL okay; verify the cdclock | |
5794 | * | |
5795 | * Noticed in some instances that the freq selection is correct but | |
5796 | * decimal part is programmed wrong from BIOS where pre-os does not | |
5797 | * enable display. Verify the same as well. | |
5798 | */ | |
5799 | if (cdctl == ((cdctl & CDCLK_FREQ_SEL_MASK) | skl_cdclk_decimal(freq))) | |
5800 | /* All well; nothing to sanitize */ | |
5801 | return false; | |
5802 | sanitize: | |
5803 | /* | |
5804 | * As of now initialize with max cdclk till | |
5805 | * we get dynamic cdclk support | |
5806 | * */ | |
5807 | dev_priv->skl_boot_cdclk = dev_priv->max_cdclk_freq; | |
5808 | skl_init_cdclk(dev_priv); | |
5809 | ||
5810 | /* we did have to sanitize */ | |
5811 | return true; | |
5812 | } | |
5813 | ||
30a970c6 JB |
5814 | /* Adjust CDclk dividers to allow high res or save power if possible */ |
5815 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) | |
5816 | { | |
5817 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5818 | u32 val, cmd; | |
5819 | ||
164dfd28 VK |
5820 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
5821 | != dev_priv->cdclk_freq); | |
d60c4473 | 5822 | |
dfcab17e | 5823 | if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */ |
30a970c6 | 5824 | cmd = 2; |
dfcab17e | 5825 | else if (cdclk == 266667) |
30a970c6 JB |
5826 | cmd = 1; |
5827 | else | |
5828 | cmd = 0; | |
5829 | ||
5830 | mutex_lock(&dev_priv->rps.hw_lock); | |
5831 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5832 | val &= ~DSPFREQGUAR_MASK; | |
5833 | val |= (cmd << DSPFREQGUAR_SHIFT); | |
5834 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5835 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5836 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), | |
5837 | 50)) { | |
5838 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5839 | } | |
5840 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5841 | ||
54433e91 VS |
5842 | mutex_lock(&dev_priv->sb_lock); |
5843 | ||
dfcab17e | 5844 | if (cdclk == 400000) { |
6bcda4f0 | 5845 | u32 divider; |
30a970c6 | 5846 | |
6bcda4f0 | 5847 | divider = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; |
30a970c6 | 5848 | |
30a970c6 JB |
5849 | /* adjust cdclk divider */ |
5850 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
87d5d259 | 5851 | val &= ~CCK_FREQUENCY_VALUES; |
30a970c6 JB |
5852 | val |= divider; |
5853 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); | |
a877e801 VS |
5854 | |
5855 | if (wait_for((vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL) & | |
87d5d259 | 5856 | CCK_FREQUENCY_STATUS) == (divider << CCK_FREQUENCY_STATUS_SHIFT), |
a877e801 VS |
5857 | 50)) |
5858 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
30a970c6 JB |
5859 | } |
5860 | ||
30a970c6 JB |
5861 | /* adjust self-refresh exit latency value */ |
5862 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); | |
5863 | val &= ~0x7f; | |
5864 | ||
5865 | /* | |
5866 | * For high bandwidth configs, we set a higher latency in the bunit | |
5867 | * so that the core display fetch happens in time to avoid underruns. | |
5868 | */ | |
dfcab17e | 5869 | if (cdclk == 400000) |
30a970c6 JB |
5870 | val |= 4500 / 250; /* 4.5 usec */ |
5871 | else | |
5872 | val |= 3000 / 250; /* 3.0 usec */ | |
5873 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); | |
54433e91 | 5874 | |
a580516d | 5875 | mutex_unlock(&dev_priv->sb_lock); |
30a970c6 | 5876 | |
b6283055 | 5877 | intel_update_cdclk(dev); |
30a970c6 JB |
5878 | } |
5879 | ||
383c5a6a VS |
5880 | static void cherryview_set_cdclk(struct drm_device *dev, int cdclk) |
5881 | { | |
5882 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5883 | u32 val, cmd; | |
5884 | ||
164dfd28 VK |
5885 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
5886 | != dev_priv->cdclk_freq); | |
383c5a6a VS |
5887 | |
5888 | switch (cdclk) { | |
383c5a6a VS |
5889 | case 333333: |
5890 | case 320000: | |
383c5a6a | 5891 | case 266667: |
383c5a6a | 5892 | case 200000: |
383c5a6a VS |
5893 | break; |
5894 | default: | |
5f77eeb0 | 5895 | MISSING_CASE(cdclk); |
383c5a6a VS |
5896 | return; |
5897 | } | |
5898 | ||
9d0d3fda VS |
5899 | /* |
5900 | * Specs are full of misinformation, but testing on actual | |
5901 | * hardware has shown that we just need to write the desired | |
5902 | * CCK divider into the Punit register. | |
5903 | */ | |
5904 | cmd = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; | |
5905 | ||
383c5a6a VS |
5906 | mutex_lock(&dev_priv->rps.hw_lock); |
5907 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5908 | val &= ~DSPFREQGUAR_MASK_CHV; | |
5909 | val |= (cmd << DSPFREQGUAR_SHIFT_CHV); | |
5910 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5911 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5912 | DSPFREQSTAT_MASK_CHV) == (cmd << DSPFREQSTAT_SHIFT_CHV), | |
5913 | 50)) { | |
5914 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5915 | } | |
5916 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5917 | ||
b6283055 | 5918 | intel_update_cdclk(dev); |
383c5a6a VS |
5919 | } |
5920 | ||
30a970c6 JB |
5921 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, |
5922 | int max_pixclk) | |
5923 | { | |
6bcda4f0 | 5924 | int freq_320 = (dev_priv->hpll_freq << 1) % 320000 != 0 ? 333333 : 320000; |
6cca3195 | 5925 | int limit = IS_CHERRYVIEW(dev_priv) ? 95 : 90; |
29dc7ef3 | 5926 | |
30a970c6 JB |
5927 | /* |
5928 | * Really only a few cases to deal with, as only 4 CDclks are supported: | |
5929 | * 200MHz | |
5930 | * 267MHz | |
29dc7ef3 | 5931 | * 320/333MHz (depends on HPLL freq) |
6cca3195 VS |
5932 | * 400MHz (VLV only) |
5933 | * So we check to see whether we're above 90% (VLV) or 95% (CHV) | |
5934 | * of the lower bin and adjust if needed. | |
e37c67a1 VS |
5935 | * |
5936 | * We seem to get an unstable or solid color picture at 200MHz. | |
5937 | * Not sure what's wrong. For now use 200MHz only when all pipes | |
5938 | * are off. | |
30a970c6 | 5939 | */ |
6cca3195 VS |
5940 | if (!IS_CHERRYVIEW(dev_priv) && |
5941 | max_pixclk > freq_320*limit/100) | |
dfcab17e | 5942 | return 400000; |
6cca3195 | 5943 | else if (max_pixclk > 266667*limit/100) |
29dc7ef3 | 5944 | return freq_320; |
e37c67a1 | 5945 | else if (max_pixclk > 0) |
dfcab17e | 5946 | return 266667; |
e37c67a1 VS |
5947 | else |
5948 | return 200000; | |
30a970c6 JB |
5949 | } |
5950 | ||
f8437dd1 VK |
5951 | static int broxton_calc_cdclk(struct drm_i915_private *dev_priv, |
5952 | int max_pixclk) | |
5953 | { | |
5954 | /* | |
5955 | * FIXME: | |
5956 | * - remove the guardband, it's not needed on BXT | |
5957 | * - set 19.2MHz bypass frequency if there are no active pipes | |
5958 | */ | |
5959 | if (max_pixclk > 576000*9/10) | |
5960 | return 624000; | |
5961 | else if (max_pixclk > 384000*9/10) | |
5962 | return 576000; | |
5963 | else if (max_pixclk > 288000*9/10) | |
5964 | return 384000; | |
5965 | else if (max_pixclk > 144000*9/10) | |
5966 | return 288000; | |
5967 | else | |
5968 | return 144000; | |
5969 | } | |
5970 | ||
e8788cbc | 5971 | /* Compute the max pixel clock for new configuration. */ |
a821fc46 ACO |
5972 | static int intel_mode_max_pixclk(struct drm_device *dev, |
5973 | struct drm_atomic_state *state) | |
30a970c6 | 5974 | { |
565602d7 ML |
5975 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
5976 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5977 | struct drm_crtc *crtc; | |
5978 | struct drm_crtc_state *crtc_state; | |
5979 | unsigned max_pixclk = 0, i; | |
5980 | enum pipe pipe; | |
30a970c6 | 5981 | |
565602d7 ML |
5982 | memcpy(intel_state->min_pixclk, dev_priv->min_pixclk, |
5983 | sizeof(intel_state->min_pixclk)); | |
304603f4 | 5984 | |
565602d7 ML |
5985 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
5986 | int pixclk = 0; | |
5987 | ||
5988 | if (crtc_state->enable) | |
5989 | pixclk = crtc_state->adjusted_mode.crtc_clock; | |
304603f4 | 5990 | |
565602d7 | 5991 | intel_state->min_pixclk[i] = pixclk; |
30a970c6 JB |
5992 | } |
5993 | ||
565602d7 ML |
5994 | for_each_pipe(dev_priv, pipe) |
5995 | max_pixclk = max(intel_state->min_pixclk[pipe], max_pixclk); | |
5996 | ||
30a970c6 JB |
5997 | return max_pixclk; |
5998 | } | |
5999 | ||
27c329ed | 6000 | static int valleyview_modeset_calc_cdclk(struct drm_atomic_state *state) |
30a970c6 | 6001 | { |
27c329ed ML |
6002 | struct drm_device *dev = state->dev; |
6003 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6004 | int max_pixclk = intel_mode_max_pixclk(dev, state); | |
1a617b77 ML |
6005 | struct intel_atomic_state *intel_state = |
6006 | to_intel_atomic_state(state); | |
30a970c6 | 6007 | |
304603f4 ACO |
6008 | if (max_pixclk < 0) |
6009 | return max_pixclk; | |
30a970c6 | 6010 | |
1a617b77 | 6011 | intel_state->cdclk = intel_state->dev_cdclk = |
27c329ed | 6012 | valleyview_calc_cdclk(dev_priv, max_pixclk); |
0a9ab303 | 6013 | |
1a617b77 ML |
6014 | if (!intel_state->active_crtcs) |
6015 | intel_state->dev_cdclk = valleyview_calc_cdclk(dev_priv, 0); | |
6016 | ||
27c329ed ML |
6017 | return 0; |
6018 | } | |
304603f4 | 6019 | |
27c329ed ML |
6020 | static int broxton_modeset_calc_cdclk(struct drm_atomic_state *state) |
6021 | { | |
6022 | struct drm_device *dev = state->dev; | |
6023 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6024 | int max_pixclk = intel_mode_max_pixclk(dev, state); | |
1a617b77 ML |
6025 | struct intel_atomic_state *intel_state = |
6026 | to_intel_atomic_state(state); | |
85a96e7a | 6027 | |
27c329ed ML |
6028 | if (max_pixclk < 0) |
6029 | return max_pixclk; | |
85a96e7a | 6030 | |
1a617b77 | 6031 | intel_state->cdclk = intel_state->dev_cdclk = |
27c329ed | 6032 | broxton_calc_cdclk(dev_priv, max_pixclk); |
85a96e7a | 6033 | |
1a617b77 ML |
6034 | if (!intel_state->active_crtcs) |
6035 | intel_state->dev_cdclk = broxton_calc_cdclk(dev_priv, 0); | |
6036 | ||
27c329ed | 6037 | return 0; |
30a970c6 JB |
6038 | } |
6039 | ||
1e69cd74 VS |
6040 | static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv) |
6041 | { | |
6042 | unsigned int credits, default_credits; | |
6043 | ||
6044 | if (IS_CHERRYVIEW(dev_priv)) | |
6045 | default_credits = PFI_CREDIT(12); | |
6046 | else | |
6047 | default_credits = PFI_CREDIT(8); | |
6048 | ||
bfa7df01 | 6049 | if (dev_priv->cdclk_freq >= dev_priv->czclk_freq) { |
1e69cd74 VS |
6050 | /* CHV suggested value is 31 or 63 */ |
6051 | if (IS_CHERRYVIEW(dev_priv)) | |
fcc0008f | 6052 | credits = PFI_CREDIT_63; |
1e69cd74 VS |
6053 | else |
6054 | credits = PFI_CREDIT(15); | |
6055 | } else { | |
6056 | credits = default_credits; | |
6057 | } | |
6058 | ||
6059 | /* | |
6060 | * WA - write default credits before re-programming | |
6061 | * FIXME: should we also set the resend bit here? | |
6062 | */ | |
6063 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
6064 | default_credits); | |
6065 | ||
6066 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
6067 | credits | PFI_CREDIT_RESEND); | |
6068 | ||
6069 | /* | |
6070 | * FIXME is this guaranteed to clear | |
6071 | * immediately or should we poll for it? | |
6072 | */ | |
6073 | WARN_ON(I915_READ(GCI_CONTROL) & PFI_CREDIT_RESEND); | |
6074 | } | |
6075 | ||
27c329ed | 6076 | static void valleyview_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
30a970c6 | 6077 | { |
a821fc46 | 6078 | struct drm_device *dev = old_state->dev; |
30a970c6 | 6079 | struct drm_i915_private *dev_priv = dev->dev_private; |
1a617b77 ML |
6080 | struct intel_atomic_state *old_intel_state = |
6081 | to_intel_atomic_state(old_state); | |
6082 | unsigned req_cdclk = old_intel_state->dev_cdclk; | |
30a970c6 | 6083 | |
27c329ed ML |
6084 | /* |
6085 | * FIXME: We can end up here with all power domains off, yet | |
6086 | * with a CDCLK frequency other than the minimum. To account | |
6087 | * for this take the PIPE-A power domain, which covers the HW | |
6088 | * blocks needed for the following programming. This can be | |
6089 | * removed once it's guaranteed that we get here either with | |
6090 | * the minimum CDCLK set, or the required power domains | |
6091 | * enabled. | |
6092 | */ | |
6093 | intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); | |
738c05c0 | 6094 | |
27c329ed ML |
6095 | if (IS_CHERRYVIEW(dev)) |
6096 | cherryview_set_cdclk(dev, req_cdclk); | |
6097 | else | |
6098 | valleyview_set_cdclk(dev, req_cdclk); | |
738c05c0 | 6099 | |
27c329ed | 6100 | vlv_program_pfi_credits(dev_priv); |
1e69cd74 | 6101 | |
27c329ed | 6102 | intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A); |
30a970c6 JB |
6103 | } |
6104 | ||
89b667f8 JB |
6105 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
6106 | { | |
6107 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 6108 | struct drm_i915_private *dev_priv = to_i915(dev); |
89b667f8 JB |
6109 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6110 | struct intel_encoder *encoder; | |
6111 | int pipe = intel_crtc->pipe; | |
89b667f8 | 6112 | |
53d9f4e9 | 6113 | if (WARN_ON(intel_crtc->active)) |
89b667f8 JB |
6114 | return; |
6115 | ||
6e3c9717 | 6116 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 6117 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
6118 | |
6119 | intel_set_pipe_timings(intel_crtc); | |
6120 | ||
c14b0485 VS |
6121 | if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) { |
6122 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6123 | ||
6124 | I915_WRITE(CHV_BLEND(pipe), CHV_BLEND_LEGACY); | |
6125 | I915_WRITE(CHV_CANVAS(pipe), 0); | |
6126 | } | |
6127 | ||
5b18e57c DV |
6128 | i9xx_set_pipeconf(intel_crtc); |
6129 | ||
89b667f8 | 6130 | intel_crtc->active = true; |
89b667f8 | 6131 | |
a72e4c9f | 6132 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 6133 | |
89b667f8 JB |
6134 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6135 | if (encoder->pre_pll_enable) | |
6136 | encoder->pre_pll_enable(encoder); | |
6137 | ||
a65347ba | 6138 | if (!intel_crtc->config->has_dsi_encoder) { |
c0b4c660 VS |
6139 | if (IS_CHERRYVIEW(dev)) { |
6140 | chv_prepare_pll(intel_crtc, intel_crtc->config); | |
6e3c9717 | 6141 | chv_enable_pll(intel_crtc, intel_crtc->config); |
c0b4c660 VS |
6142 | } else { |
6143 | vlv_prepare_pll(intel_crtc, intel_crtc->config); | |
6e3c9717 | 6144 | vlv_enable_pll(intel_crtc, intel_crtc->config); |
c0b4c660 | 6145 | } |
9d556c99 | 6146 | } |
89b667f8 JB |
6147 | |
6148 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
6149 | if (encoder->pre_enable) | |
6150 | encoder->pre_enable(encoder); | |
6151 | ||
2dd24552 JB |
6152 | i9xx_pfit_enable(intel_crtc); |
6153 | ||
63cbb074 VS |
6154 | intel_crtc_load_lut(crtc); |
6155 | ||
caed361d | 6156 | intel_update_watermarks(crtc); |
e1fdc473 | 6157 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6158 | |
4b3a9526 VS |
6159 | assert_vblank_disabled(crtc); |
6160 | drm_crtc_vblank_on(crtc); | |
6161 | ||
f9b61ff6 DV |
6162 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6163 | encoder->enable(encoder); | |
89b667f8 JB |
6164 | } |
6165 | ||
f13c2ef3 DV |
6166 | static void i9xx_set_pll_dividers(struct intel_crtc *crtc) |
6167 | { | |
6168 | struct drm_device *dev = crtc->base.dev; | |
6169 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6170 | ||
6e3c9717 ACO |
6171 | I915_WRITE(FP0(crtc->pipe), crtc->config->dpll_hw_state.fp0); |
6172 | I915_WRITE(FP1(crtc->pipe), crtc->config->dpll_hw_state.fp1); | |
f13c2ef3 DV |
6173 | } |
6174 | ||
0b8765c6 | 6175 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
79e53945 JB |
6176 | { |
6177 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 6178 | struct drm_i915_private *dev_priv = to_i915(dev); |
79e53945 | 6179 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
ef9c3aee | 6180 | struct intel_encoder *encoder; |
79e53945 | 6181 | int pipe = intel_crtc->pipe; |
79e53945 | 6182 | |
53d9f4e9 | 6183 | if (WARN_ON(intel_crtc->active)) |
f7abfe8b CW |
6184 | return; |
6185 | ||
f13c2ef3 DV |
6186 | i9xx_set_pll_dividers(intel_crtc); |
6187 | ||
6e3c9717 | 6188 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 6189 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
6190 | |
6191 | intel_set_pipe_timings(intel_crtc); | |
6192 | ||
5b18e57c DV |
6193 | i9xx_set_pipeconf(intel_crtc); |
6194 | ||
f7abfe8b | 6195 | intel_crtc->active = true; |
6b383a7f | 6196 | |
4a3436e8 | 6197 | if (!IS_GEN2(dev)) |
a72e4c9f | 6198 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 6199 | |
9d6d9f19 MK |
6200 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6201 | if (encoder->pre_enable) | |
6202 | encoder->pre_enable(encoder); | |
6203 | ||
f6736a1a DV |
6204 | i9xx_enable_pll(intel_crtc); |
6205 | ||
2dd24552 JB |
6206 | i9xx_pfit_enable(intel_crtc); |
6207 | ||
63cbb074 VS |
6208 | intel_crtc_load_lut(crtc); |
6209 | ||
f37fcc2a | 6210 | intel_update_watermarks(crtc); |
e1fdc473 | 6211 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6212 | |
4b3a9526 VS |
6213 | assert_vblank_disabled(crtc); |
6214 | drm_crtc_vblank_on(crtc); | |
6215 | ||
f9b61ff6 DV |
6216 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6217 | encoder->enable(encoder); | |
0b8765c6 | 6218 | } |
79e53945 | 6219 | |
87476d63 DV |
6220 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
6221 | { | |
6222 | struct drm_device *dev = crtc->base.dev; | |
6223 | struct drm_i915_private *dev_priv = dev->dev_private; | |
87476d63 | 6224 | |
6e3c9717 | 6225 | if (!crtc->config->gmch_pfit.control) |
328d8e82 | 6226 | return; |
87476d63 | 6227 | |
328d8e82 | 6228 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87476d63 | 6229 | |
328d8e82 DV |
6230 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
6231 | I915_READ(PFIT_CONTROL)); | |
6232 | I915_WRITE(PFIT_CONTROL, 0); | |
87476d63 DV |
6233 | } |
6234 | ||
0b8765c6 JB |
6235 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
6236 | { | |
6237 | struct drm_device *dev = crtc->dev; | |
6238 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6239 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 6240 | struct intel_encoder *encoder; |
0b8765c6 | 6241 | int pipe = intel_crtc->pipe; |
ef9c3aee | 6242 | |
6304cd91 VS |
6243 | /* |
6244 | * On gen2 planes are double buffered but the pipe isn't, so we must | |
6245 | * wait for planes to fully turn off before disabling the pipe. | |
564ed191 ID |
6246 | * We also need to wait on all gmch platforms because of the |
6247 | * self-refresh mode constraint explained above. | |
6304cd91 | 6248 | */ |
564ed191 | 6249 | intel_wait_for_vblank(dev, pipe); |
6304cd91 | 6250 | |
4b3a9526 VS |
6251 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6252 | encoder->disable(encoder); | |
6253 | ||
f9b61ff6 DV |
6254 | drm_crtc_vblank_off(crtc); |
6255 | assert_vblank_disabled(crtc); | |
6256 | ||
575f7ab7 | 6257 | intel_disable_pipe(intel_crtc); |
24a1f16d | 6258 | |
87476d63 | 6259 | i9xx_pfit_disable(intel_crtc); |
24a1f16d | 6260 | |
89b667f8 JB |
6261 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6262 | if (encoder->post_disable) | |
6263 | encoder->post_disable(encoder); | |
6264 | ||
a65347ba | 6265 | if (!intel_crtc->config->has_dsi_encoder) { |
076ed3b2 CML |
6266 | if (IS_CHERRYVIEW(dev)) |
6267 | chv_disable_pll(dev_priv, pipe); | |
6268 | else if (IS_VALLEYVIEW(dev)) | |
6269 | vlv_disable_pll(dev_priv, pipe); | |
6270 | else | |
1c4e0274 | 6271 | i9xx_disable_pll(intel_crtc); |
076ed3b2 | 6272 | } |
0b8765c6 | 6273 | |
d6db995f VS |
6274 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6275 | if (encoder->post_pll_disable) | |
6276 | encoder->post_pll_disable(encoder); | |
6277 | ||
4a3436e8 | 6278 | if (!IS_GEN2(dev)) |
a72e4c9f | 6279 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
0b8765c6 JB |
6280 | } |
6281 | ||
b17d48e2 ML |
6282 | static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) |
6283 | { | |
842e0307 | 6284 | struct intel_encoder *encoder; |
b17d48e2 ML |
6285 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6286 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); | |
6287 | enum intel_display_power_domain domain; | |
6288 | unsigned long domains; | |
6289 | ||
6290 | if (!intel_crtc->active) | |
6291 | return; | |
6292 | ||
a539205a | 6293 | if (to_intel_plane_state(crtc->primary->state)->visible) { |
fc32b1fd ML |
6294 | WARN_ON(intel_crtc->unpin_work); |
6295 | ||
2622a081 | 6296 | intel_pre_disable_primary_noatomic(crtc); |
54a41961 ML |
6297 | |
6298 | intel_crtc_disable_planes(crtc, 1 << drm_plane_index(crtc->primary)); | |
6299 | to_intel_plane_state(crtc->primary->state)->visible = false; | |
a539205a ML |
6300 | } |
6301 | ||
b17d48e2 | 6302 | dev_priv->display.crtc_disable(crtc); |
842e0307 ML |
6303 | |
6304 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was enabled, now disabled\n", | |
6305 | crtc->base.id); | |
6306 | ||
6307 | WARN_ON(drm_atomic_set_mode_for_crtc(crtc->state, NULL) < 0); | |
6308 | crtc->state->active = false; | |
37d9078b | 6309 | intel_crtc->active = false; |
842e0307 ML |
6310 | crtc->enabled = false; |
6311 | crtc->state->connector_mask = 0; | |
6312 | crtc->state->encoder_mask = 0; | |
6313 | ||
6314 | for_each_encoder_on_crtc(crtc->dev, crtc, encoder) | |
6315 | encoder->base.crtc = NULL; | |
6316 | ||
58f9c0bc | 6317 | intel_fbc_disable(intel_crtc); |
37d9078b | 6318 | intel_update_watermarks(crtc); |
1f7457b1 | 6319 | intel_disable_shared_dpll(intel_crtc); |
b17d48e2 ML |
6320 | |
6321 | domains = intel_crtc->enabled_power_domains; | |
6322 | for_each_power_domain(domain, domains) | |
6323 | intel_display_power_put(dev_priv, domain); | |
6324 | intel_crtc->enabled_power_domains = 0; | |
565602d7 ML |
6325 | |
6326 | dev_priv->active_crtcs &= ~(1 << intel_crtc->pipe); | |
6327 | dev_priv->min_pixclk[intel_crtc->pipe] = 0; | |
b17d48e2 ML |
6328 | } |
6329 | ||
6b72d486 ML |
6330 | /* |
6331 | * turn all crtc's off, but do not adjust state | |
6332 | * This has to be paired with a call to intel_modeset_setup_hw_state. | |
6333 | */ | |
70e0bd74 | 6334 | int intel_display_suspend(struct drm_device *dev) |
ee7b9f93 | 6335 | { |
e2c8b870 | 6336 | struct drm_i915_private *dev_priv = to_i915(dev); |
70e0bd74 | 6337 | struct drm_atomic_state *state; |
e2c8b870 | 6338 | int ret; |
70e0bd74 | 6339 | |
e2c8b870 ML |
6340 | state = drm_atomic_helper_suspend(dev); |
6341 | ret = PTR_ERR_OR_ZERO(state); | |
70e0bd74 ML |
6342 | if (ret) |
6343 | DRM_ERROR("Suspending crtc's failed with %i\n", ret); | |
e2c8b870 ML |
6344 | else |
6345 | dev_priv->modeset_restore_state = state; | |
70e0bd74 | 6346 | return ret; |
ee7b9f93 JB |
6347 | } |
6348 | ||
ea5b213a | 6349 | void intel_encoder_destroy(struct drm_encoder *encoder) |
7e7d76c3 | 6350 | { |
4ef69c7a | 6351 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
ea5b213a | 6352 | |
ea5b213a CW |
6353 | drm_encoder_cleanup(encoder); |
6354 | kfree(intel_encoder); | |
7e7d76c3 JB |
6355 | } |
6356 | ||
0a91ca29 DV |
6357 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
6358 | * internal consistency). */ | |
b980514c | 6359 | static void intel_connector_check_state(struct intel_connector *connector) |
79e53945 | 6360 | { |
35dd3c64 ML |
6361 | struct drm_crtc *crtc = connector->base.state->crtc; |
6362 | ||
6363 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
6364 | connector->base.base.id, | |
6365 | connector->base.name); | |
6366 | ||
0a91ca29 | 6367 | if (connector->get_hw_state(connector)) { |
e85376cb | 6368 | struct intel_encoder *encoder = connector->encoder; |
35dd3c64 | 6369 | struct drm_connector_state *conn_state = connector->base.state; |
0a91ca29 | 6370 | |
35dd3c64 ML |
6371 | I915_STATE_WARN(!crtc, |
6372 | "connector enabled without attached crtc\n"); | |
0a91ca29 | 6373 | |
35dd3c64 ML |
6374 | if (!crtc) |
6375 | return; | |
6376 | ||
6377 | I915_STATE_WARN(!crtc->state->active, | |
6378 | "connector is active, but attached crtc isn't\n"); | |
6379 | ||
e85376cb | 6380 | if (!encoder || encoder->type == INTEL_OUTPUT_DP_MST) |
35dd3c64 ML |
6381 | return; |
6382 | ||
e85376cb | 6383 | I915_STATE_WARN(conn_state->best_encoder != &encoder->base, |
35dd3c64 ML |
6384 | "atomic encoder doesn't match attached encoder\n"); |
6385 | ||
e85376cb | 6386 | I915_STATE_WARN(conn_state->crtc != encoder->base.crtc, |
35dd3c64 ML |
6387 | "attached encoder crtc differs from connector crtc\n"); |
6388 | } else { | |
4d688a2a ML |
6389 | I915_STATE_WARN(crtc && crtc->state->active, |
6390 | "attached crtc is active, but connector isn't\n"); | |
35dd3c64 ML |
6391 | I915_STATE_WARN(!crtc && connector->base.state->best_encoder, |
6392 | "best encoder set without crtc!\n"); | |
0a91ca29 | 6393 | } |
79e53945 JB |
6394 | } |
6395 | ||
08d9bc92 ACO |
6396 | int intel_connector_init(struct intel_connector *connector) |
6397 | { | |
5350a031 | 6398 | drm_atomic_helper_connector_reset(&connector->base); |
08d9bc92 | 6399 | |
5350a031 | 6400 | if (!connector->base.state) |
08d9bc92 ACO |
6401 | return -ENOMEM; |
6402 | ||
08d9bc92 ACO |
6403 | return 0; |
6404 | } | |
6405 | ||
6406 | struct intel_connector *intel_connector_alloc(void) | |
6407 | { | |
6408 | struct intel_connector *connector; | |
6409 | ||
6410 | connector = kzalloc(sizeof *connector, GFP_KERNEL); | |
6411 | if (!connector) | |
6412 | return NULL; | |
6413 | ||
6414 | if (intel_connector_init(connector) < 0) { | |
6415 | kfree(connector); | |
6416 | return NULL; | |
6417 | } | |
6418 | ||
6419 | return connector; | |
6420 | } | |
6421 | ||
f0947c37 DV |
6422 | /* Simple connector->get_hw_state implementation for encoders that support only |
6423 | * one connector and no cloning and hence the encoder state determines the state | |
6424 | * of the connector. */ | |
6425 | bool intel_connector_get_hw_state(struct intel_connector *connector) | |
ea5b213a | 6426 | { |
24929352 | 6427 | enum pipe pipe = 0; |
f0947c37 | 6428 | struct intel_encoder *encoder = connector->encoder; |
ea5b213a | 6429 | |
f0947c37 | 6430 | return encoder->get_hw_state(encoder, &pipe); |
ea5b213a CW |
6431 | } |
6432 | ||
6d293983 | 6433 | static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state) |
d272ddfa | 6434 | { |
6d293983 ACO |
6435 | if (crtc_state->base.enable && crtc_state->has_pch_encoder) |
6436 | return crtc_state->fdi_lanes; | |
d272ddfa VS |
6437 | |
6438 | return 0; | |
6439 | } | |
6440 | ||
6d293983 | 6441 | static int ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
5cec258b | 6442 | struct intel_crtc_state *pipe_config) |
1857e1da | 6443 | { |
6d293983 ACO |
6444 | struct drm_atomic_state *state = pipe_config->base.state; |
6445 | struct intel_crtc *other_crtc; | |
6446 | struct intel_crtc_state *other_crtc_state; | |
6447 | ||
1857e1da DV |
6448 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", |
6449 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6450 | if (pipe_config->fdi_lanes > 4) { | |
6451 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", | |
6452 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6453 | return -EINVAL; |
1857e1da DV |
6454 | } |
6455 | ||
bafb6553 | 6456 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
1857e1da DV |
6457 | if (pipe_config->fdi_lanes > 2) { |
6458 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", | |
6459 | pipe_config->fdi_lanes); | |
6d293983 | 6460 | return -EINVAL; |
1857e1da | 6461 | } else { |
6d293983 | 6462 | return 0; |
1857e1da DV |
6463 | } |
6464 | } | |
6465 | ||
6466 | if (INTEL_INFO(dev)->num_pipes == 2) | |
6d293983 | 6467 | return 0; |
1857e1da DV |
6468 | |
6469 | /* Ivybridge 3 pipe is really complicated */ | |
6470 | switch (pipe) { | |
6471 | case PIPE_A: | |
6d293983 | 6472 | return 0; |
1857e1da | 6473 | case PIPE_B: |
6d293983 ACO |
6474 | if (pipe_config->fdi_lanes <= 2) |
6475 | return 0; | |
6476 | ||
6477 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_C)); | |
6478 | other_crtc_state = | |
6479 | intel_atomic_get_crtc_state(state, other_crtc); | |
6480 | if (IS_ERR(other_crtc_state)) | |
6481 | return PTR_ERR(other_crtc_state); | |
6482 | ||
6483 | if (pipe_required_fdi_lanes(other_crtc_state) > 0) { | |
1857e1da DV |
6484 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
6485 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6486 | return -EINVAL; |
1857e1da | 6487 | } |
6d293983 | 6488 | return 0; |
1857e1da | 6489 | case PIPE_C: |
251cc67c VS |
6490 | if (pipe_config->fdi_lanes > 2) { |
6491 | DRM_DEBUG_KMS("only 2 lanes on pipe %c: required %i lanes\n", | |
6492 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6493 | return -EINVAL; |
251cc67c | 6494 | } |
6d293983 ACO |
6495 | |
6496 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_B)); | |
6497 | other_crtc_state = | |
6498 | intel_atomic_get_crtc_state(state, other_crtc); | |
6499 | if (IS_ERR(other_crtc_state)) | |
6500 | return PTR_ERR(other_crtc_state); | |
6501 | ||
6502 | if (pipe_required_fdi_lanes(other_crtc_state) > 2) { | |
1857e1da | 6503 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
6d293983 | 6504 | return -EINVAL; |
1857e1da | 6505 | } |
6d293983 | 6506 | return 0; |
1857e1da DV |
6507 | default: |
6508 | BUG(); | |
6509 | } | |
6510 | } | |
6511 | ||
e29c22c0 DV |
6512 | #define RETRY 1 |
6513 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, | |
5cec258b | 6514 | struct intel_crtc_state *pipe_config) |
877d48d5 | 6515 | { |
1857e1da | 6516 | struct drm_device *dev = intel_crtc->base.dev; |
7c5f93b0 | 6517 | const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
6d293983 ACO |
6518 | int lane, link_bw, fdi_dotclock, ret; |
6519 | bool needs_recompute = false; | |
877d48d5 | 6520 | |
e29c22c0 | 6521 | retry: |
877d48d5 DV |
6522 | /* FDI is a binary signal running at ~2.7GHz, encoding |
6523 | * each output octet as 10 bits. The actual frequency | |
6524 | * is stored as a divider into a 100MHz clock, and the | |
6525 | * mode pixel clock is stored in units of 1KHz. | |
6526 | * Hence the bw of each lane in terms of the mode signal | |
6527 | * is: | |
6528 | */ | |
21a727b3 | 6529 | link_bw = intel_fdi_link_freq(to_i915(dev), pipe_config); |
877d48d5 | 6530 | |
241bfc38 | 6531 | fdi_dotclock = adjusted_mode->crtc_clock; |
877d48d5 | 6532 | |
2bd89a07 | 6533 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
877d48d5 DV |
6534 | pipe_config->pipe_bpp); |
6535 | ||
6536 | pipe_config->fdi_lanes = lane; | |
6537 | ||
2bd89a07 | 6538 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
877d48d5 | 6539 | link_bw, &pipe_config->fdi_m_n); |
1857e1da | 6540 | |
e3b247da | 6541 | ret = ironlake_check_fdi_lanes(dev, intel_crtc->pipe, pipe_config); |
6d293983 | 6542 | if (ret == -EINVAL && pipe_config->pipe_bpp > 6*3) { |
e29c22c0 DV |
6543 | pipe_config->pipe_bpp -= 2*3; |
6544 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", | |
6545 | pipe_config->pipe_bpp); | |
6546 | needs_recompute = true; | |
6547 | pipe_config->bw_constrained = true; | |
6548 | ||
6549 | goto retry; | |
6550 | } | |
6551 | ||
6552 | if (needs_recompute) | |
6553 | return RETRY; | |
6554 | ||
6d293983 | 6555 | return ret; |
877d48d5 DV |
6556 | } |
6557 | ||
8cfb3407 VS |
6558 | static bool pipe_config_supports_ips(struct drm_i915_private *dev_priv, |
6559 | struct intel_crtc_state *pipe_config) | |
6560 | { | |
6561 | if (pipe_config->pipe_bpp > 24) | |
6562 | return false; | |
6563 | ||
6564 | /* HSW can handle pixel rate up to cdclk? */ | |
6565 | if (IS_HASWELL(dev_priv->dev)) | |
6566 | return true; | |
6567 | ||
6568 | /* | |
b432e5cf VS |
6569 | * We compare against max which means we must take |
6570 | * the increased cdclk requirement into account when | |
6571 | * calculating the new cdclk. | |
6572 | * | |
6573 | * Should measure whether using a lower cdclk w/o IPS | |
8cfb3407 VS |
6574 | */ |
6575 | return ilk_pipe_pixel_rate(pipe_config) <= | |
6576 | dev_priv->max_cdclk_freq * 95 / 100; | |
6577 | } | |
6578 | ||
42db64ef | 6579 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
5cec258b | 6580 | struct intel_crtc_state *pipe_config) |
42db64ef | 6581 | { |
8cfb3407 VS |
6582 | struct drm_device *dev = crtc->base.dev; |
6583 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6584 | ||
d330a953 | 6585 | pipe_config->ips_enabled = i915.enable_ips && |
8cfb3407 VS |
6586 | hsw_crtc_supports_ips(crtc) && |
6587 | pipe_config_supports_ips(dev_priv, pipe_config); | |
42db64ef PZ |
6588 | } |
6589 | ||
39acb4aa VS |
6590 | static bool intel_crtc_supports_double_wide(const struct intel_crtc *crtc) |
6591 | { | |
6592 | const struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); | |
6593 | ||
6594 | /* GDG double wide on either pipe, otherwise pipe A only */ | |
6595 | return INTEL_INFO(dev_priv)->gen < 4 && | |
6596 | (crtc->pipe == PIPE_A || IS_I915G(dev_priv)); | |
6597 | } | |
6598 | ||
a43f6e0f | 6599 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
5cec258b | 6600 | struct intel_crtc_state *pipe_config) |
79e53945 | 6601 | { |
a43f6e0f | 6602 | struct drm_device *dev = crtc->base.dev; |
8bd31e67 | 6603 | struct drm_i915_private *dev_priv = dev->dev_private; |
7c5f93b0 | 6604 | const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
89749350 | 6605 | |
ad3a4479 | 6606 | /* FIXME should check pixel clock limits on all platforms */ |
cf532bb2 | 6607 | if (INTEL_INFO(dev)->gen < 4) { |
39acb4aa | 6608 | int clock_limit = dev_priv->max_cdclk_freq * 9 / 10; |
cf532bb2 VS |
6609 | |
6610 | /* | |
39acb4aa | 6611 | * Enable double wide mode when the dot clock |
cf532bb2 | 6612 | * is > 90% of the (display) core speed. |
cf532bb2 | 6613 | */ |
39acb4aa VS |
6614 | if (intel_crtc_supports_double_wide(crtc) && |
6615 | adjusted_mode->crtc_clock > clock_limit) { | |
ad3a4479 | 6616 | clock_limit *= 2; |
cf532bb2 | 6617 | pipe_config->double_wide = true; |
ad3a4479 VS |
6618 | } |
6619 | ||
39acb4aa VS |
6620 | if (adjusted_mode->crtc_clock > clock_limit) { |
6621 | DRM_DEBUG_KMS("requested pixel clock (%d kHz) too high (max: %d kHz, double wide: %s)\n", | |
6622 | adjusted_mode->crtc_clock, clock_limit, | |
6623 | yesno(pipe_config->double_wide)); | |
e29c22c0 | 6624 | return -EINVAL; |
39acb4aa | 6625 | } |
2c07245f | 6626 | } |
89749350 | 6627 | |
1d1d0e27 VS |
6628 | /* |
6629 | * Pipe horizontal size must be even in: | |
6630 | * - DVO ganged mode | |
6631 | * - LVDS dual channel mode | |
6632 | * - Double wide pipe | |
6633 | */ | |
a93e255f | 6634 | if ((intel_pipe_will_have_type(pipe_config, INTEL_OUTPUT_LVDS) && |
1d1d0e27 VS |
6635 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) |
6636 | pipe_config->pipe_src_w &= ~1; | |
6637 | ||
8693a824 DL |
6638 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
6639 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. | |
44f46b42 CW |
6640 | */ |
6641 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && | |
aad941d5 | 6642 | adjusted_mode->crtc_hsync_start == adjusted_mode->crtc_hdisplay) |
e29c22c0 | 6643 | return -EINVAL; |
44f46b42 | 6644 | |
f5adf94e | 6645 | if (HAS_IPS(dev)) |
a43f6e0f DV |
6646 | hsw_compute_ips_config(crtc, pipe_config); |
6647 | ||
877d48d5 | 6648 | if (pipe_config->has_pch_encoder) |
a43f6e0f | 6649 | return ironlake_fdi_compute_config(crtc, pipe_config); |
877d48d5 | 6650 | |
cf5a15be | 6651 | return 0; |
79e53945 JB |
6652 | } |
6653 | ||
1652d19e VS |
6654 | static int skylake_get_display_clock_speed(struct drm_device *dev) |
6655 | { | |
6656 | struct drm_i915_private *dev_priv = to_i915(dev); | |
6657 | uint32_t lcpll1 = I915_READ(LCPLL1_CTL); | |
6658 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
6659 | uint32_t linkrate; | |
6660 | ||
414355a7 | 6661 | if (!(lcpll1 & LCPLL_PLL_ENABLE)) |
1652d19e | 6662 | return 24000; /* 24MHz is the cd freq with NSSC ref */ |
1652d19e VS |
6663 | |
6664 | if ((cdctl & CDCLK_FREQ_SEL_MASK) == CDCLK_FREQ_540) | |
6665 | return 540000; | |
6666 | ||
6667 | linkrate = (I915_READ(DPLL_CTRL1) & | |
71cd8423 | 6668 | DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) >> 1; |
1652d19e | 6669 | |
71cd8423 DL |
6670 | if (linkrate == DPLL_CTRL1_LINK_RATE_2160 || |
6671 | linkrate == DPLL_CTRL1_LINK_RATE_1080) { | |
1652d19e VS |
6672 | /* vco 8640 */ |
6673 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
6674 | case CDCLK_FREQ_450_432: | |
6675 | return 432000; | |
6676 | case CDCLK_FREQ_337_308: | |
6677 | return 308570; | |
6678 | case CDCLK_FREQ_675_617: | |
6679 | return 617140; | |
6680 | default: | |
6681 | WARN(1, "Unknown cd freq selection\n"); | |
6682 | } | |
6683 | } else { | |
6684 | /* vco 8100 */ | |
6685 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
6686 | case CDCLK_FREQ_450_432: | |
6687 | return 450000; | |
6688 | case CDCLK_FREQ_337_308: | |
6689 | return 337500; | |
6690 | case CDCLK_FREQ_675_617: | |
6691 | return 675000; | |
6692 | default: | |
6693 | WARN(1, "Unknown cd freq selection\n"); | |
6694 | } | |
6695 | } | |
6696 | ||
6697 | /* error case, do as if DPLL0 isn't enabled */ | |
6698 | return 24000; | |
6699 | } | |
6700 | ||
acd3f3d3 BP |
6701 | static int broxton_get_display_clock_speed(struct drm_device *dev) |
6702 | { | |
6703 | struct drm_i915_private *dev_priv = to_i915(dev); | |
6704 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
6705 | uint32_t pll_ratio = I915_READ(BXT_DE_PLL_CTL) & BXT_DE_PLL_RATIO_MASK; | |
6706 | uint32_t pll_enab = I915_READ(BXT_DE_PLL_ENABLE); | |
6707 | int cdclk; | |
6708 | ||
6709 | if (!(pll_enab & BXT_DE_PLL_PLL_ENABLE)) | |
6710 | return 19200; | |
6711 | ||
6712 | cdclk = 19200 * pll_ratio / 2; | |
6713 | ||
6714 | switch (cdctl & BXT_CDCLK_CD2X_DIV_SEL_MASK) { | |
6715 | case BXT_CDCLK_CD2X_DIV_SEL_1: | |
6716 | return cdclk; /* 576MHz or 624MHz */ | |
6717 | case BXT_CDCLK_CD2X_DIV_SEL_1_5: | |
6718 | return cdclk * 2 / 3; /* 384MHz */ | |
6719 | case BXT_CDCLK_CD2X_DIV_SEL_2: | |
6720 | return cdclk / 2; /* 288MHz */ | |
6721 | case BXT_CDCLK_CD2X_DIV_SEL_4: | |
6722 | return cdclk / 4; /* 144MHz */ | |
6723 | } | |
6724 | ||
6725 | /* error case, do as if DE PLL isn't enabled */ | |
6726 | return 19200; | |
6727 | } | |
6728 | ||
1652d19e VS |
6729 | static int broadwell_get_display_clock_speed(struct drm_device *dev) |
6730 | { | |
6731 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6732 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
6733 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
6734 | ||
6735 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
6736 | return 800000; | |
6737 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
6738 | return 450000; | |
6739 | else if (freq == LCPLL_CLK_FREQ_450) | |
6740 | return 450000; | |
6741 | else if (freq == LCPLL_CLK_FREQ_54O_BDW) | |
6742 | return 540000; | |
6743 | else if (freq == LCPLL_CLK_FREQ_337_5_BDW) | |
6744 | return 337500; | |
6745 | else | |
6746 | return 675000; | |
6747 | } | |
6748 | ||
6749 | static int haswell_get_display_clock_speed(struct drm_device *dev) | |
6750 | { | |
6751 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6752 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
6753 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
6754 | ||
6755 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
6756 | return 800000; | |
6757 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
6758 | return 450000; | |
6759 | else if (freq == LCPLL_CLK_FREQ_450) | |
6760 | return 450000; | |
6761 | else if (IS_HSW_ULT(dev)) | |
6762 | return 337500; | |
6763 | else | |
6764 | return 540000; | |
79e53945 JB |
6765 | } |
6766 | ||
25eb05fc JB |
6767 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
6768 | { | |
bfa7df01 VS |
6769 | return vlv_get_cck_clock_hpll(to_i915(dev), "cdclk", |
6770 | CCK_DISPLAY_CLOCK_CONTROL); | |
25eb05fc JB |
6771 | } |
6772 | ||
b37a6434 VS |
6773 | static int ilk_get_display_clock_speed(struct drm_device *dev) |
6774 | { | |
6775 | return 450000; | |
6776 | } | |
6777 | ||
e70236a8 JB |
6778 | static int i945_get_display_clock_speed(struct drm_device *dev) |
6779 | { | |
6780 | return 400000; | |
6781 | } | |
79e53945 | 6782 | |
e70236a8 | 6783 | static int i915_get_display_clock_speed(struct drm_device *dev) |
79e53945 | 6784 | { |
e907f170 | 6785 | return 333333; |
e70236a8 | 6786 | } |
79e53945 | 6787 | |
e70236a8 JB |
6788 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
6789 | { | |
6790 | return 200000; | |
6791 | } | |
79e53945 | 6792 | |
257a7ffc DV |
6793 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
6794 | { | |
6795 | u16 gcfgc = 0; | |
6796 | ||
6797 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); | |
6798 | ||
6799 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6800 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: | |
e907f170 | 6801 | return 266667; |
257a7ffc | 6802 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: |
e907f170 | 6803 | return 333333; |
257a7ffc | 6804 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: |
e907f170 | 6805 | return 444444; |
257a7ffc DV |
6806 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: |
6807 | return 200000; | |
6808 | default: | |
6809 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); | |
6810 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: | |
e907f170 | 6811 | return 133333; |
257a7ffc | 6812 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: |
e907f170 | 6813 | return 166667; |
257a7ffc DV |
6814 | } |
6815 | } | |
6816 | ||
e70236a8 JB |
6817 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
6818 | { | |
6819 | u16 gcfgc = 0; | |
79e53945 | 6820 | |
e70236a8 JB |
6821 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
6822 | ||
6823 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
e907f170 | 6824 | return 133333; |
e70236a8 JB |
6825 | else { |
6826 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6827 | case GC_DISPLAY_CLOCK_333_MHZ: | |
e907f170 | 6828 | return 333333; |
e70236a8 JB |
6829 | default: |
6830 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
6831 | return 190000; | |
79e53945 | 6832 | } |
e70236a8 JB |
6833 | } |
6834 | } | |
6835 | ||
6836 | static int i865_get_display_clock_speed(struct drm_device *dev) | |
6837 | { | |
e907f170 | 6838 | return 266667; |
e70236a8 JB |
6839 | } |
6840 | ||
1b1d2716 | 6841 | static int i85x_get_display_clock_speed(struct drm_device *dev) |
e70236a8 JB |
6842 | { |
6843 | u16 hpllcc = 0; | |
1b1d2716 | 6844 | |
65cd2b3f VS |
6845 | /* |
6846 | * 852GM/852GMV only supports 133 MHz and the HPLLCC | |
6847 | * encoding is different :( | |
6848 | * FIXME is this the right way to detect 852GM/852GMV? | |
6849 | */ | |
6850 | if (dev->pdev->revision == 0x1) | |
6851 | return 133333; | |
6852 | ||
1b1d2716 VS |
6853 | pci_bus_read_config_word(dev->pdev->bus, |
6854 | PCI_DEVFN(0, 3), HPLLCC, &hpllcc); | |
6855 | ||
e70236a8 JB |
6856 | /* Assume that the hardware is in the high speed state. This |
6857 | * should be the default. | |
6858 | */ | |
6859 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
6860 | case GC_CLOCK_133_200: | |
1b1d2716 | 6861 | case GC_CLOCK_133_200_2: |
e70236a8 JB |
6862 | case GC_CLOCK_100_200: |
6863 | return 200000; | |
6864 | case GC_CLOCK_166_250: | |
6865 | return 250000; | |
6866 | case GC_CLOCK_100_133: | |
e907f170 | 6867 | return 133333; |
1b1d2716 VS |
6868 | case GC_CLOCK_133_266: |
6869 | case GC_CLOCK_133_266_2: | |
6870 | case GC_CLOCK_166_266: | |
6871 | return 266667; | |
e70236a8 | 6872 | } |
79e53945 | 6873 | |
e70236a8 JB |
6874 | /* Shouldn't happen */ |
6875 | return 0; | |
6876 | } | |
79e53945 | 6877 | |
e70236a8 JB |
6878 | static int i830_get_display_clock_speed(struct drm_device *dev) |
6879 | { | |
e907f170 | 6880 | return 133333; |
79e53945 JB |
6881 | } |
6882 | ||
34edce2f VS |
6883 | static unsigned int intel_hpll_vco(struct drm_device *dev) |
6884 | { | |
6885 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6886 | static const unsigned int blb_vco[8] = { | |
6887 | [0] = 3200000, | |
6888 | [1] = 4000000, | |
6889 | [2] = 5333333, | |
6890 | [3] = 4800000, | |
6891 | [4] = 6400000, | |
6892 | }; | |
6893 | static const unsigned int pnv_vco[8] = { | |
6894 | [0] = 3200000, | |
6895 | [1] = 4000000, | |
6896 | [2] = 5333333, | |
6897 | [3] = 4800000, | |
6898 | [4] = 2666667, | |
6899 | }; | |
6900 | static const unsigned int cl_vco[8] = { | |
6901 | [0] = 3200000, | |
6902 | [1] = 4000000, | |
6903 | [2] = 5333333, | |
6904 | [3] = 6400000, | |
6905 | [4] = 3333333, | |
6906 | [5] = 3566667, | |
6907 | [6] = 4266667, | |
6908 | }; | |
6909 | static const unsigned int elk_vco[8] = { | |
6910 | [0] = 3200000, | |
6911 | [1] = 4000000, | |
6912 | [2] = 5333333, | |
6913 | [3] = 4800000, | |
6914 | }; | |
6915 | static const unsigned int ctg_vco[8] = { | |
6916 | [0] = 3200000, | |
6917 | [1] = 4000000, | |
6918 | [2] = 5333333, | |
6919 | [3] = 6400000, | |
6920 | [4] = 2666667, | |
6921 | [5] = 4266667, | |
6922 | }; | |
6923 | const unsigned int *vco_table; | |
6924 | unsigned int vco; | |
6925 | uint8_t tmp = 0; | |
6926 | ||
6927 | /* FIXME other chipsets? */ | |
6928 | if (IS_GM45(dev)) | |
6929 | vco_table = ctg_vco; | |
6930 | else if (IS_G4X(dev)) | |
6931 | vco_table = elk_vco; | |
6932 | else if (IS_CRESTLINE(dev)) | |
6933 | vco_table = cl_vco; | |
6934 | else if (IS_PINEVIEW(dev)) | |
6935 | vco_table = pnv_vco; | |
6936 | else if (IS_G33(dev)) | |
6937 | vco_table = blb_vco; | |
6938 | else | |
6939 | return 0; | |
6940 | ||
6941 | tmp = I915_READ(IS_MOBILE(dev) ? HPLLVCO_MOBILE : HPLLVCO); | |
6942 | ||
6943 | vco = vco_table[tmp & 0x7]; | |
6944 | if (vco == 0) | |
6945 | DRM_ERROR("Bad HPLL VCO (HPLLVCO=0x%02x)\n", tmp); | |
6946 | else | |
6947 | DRM_DEBUG_KMS("HPLL VCO %u kHz\n", vco); | |
6948 | ||
6949 | return vco; | |
6950 | } | |
6951 | ||
6952 | static int gm45_get_display_clock_speed(struct drm_device *dev) | |
6953 | { | |
6954 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
6955 | uint16_t tmp = 0; | |
6956 | ||
6957 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
6958 | ||
6959 | cdclk_sel = (tmp >> 12) & 0x1; | |
6960 | ||
6961 | switch (vco) { | |
6962 | case 2666667: | |
6963 | case 4000000: | |
6964 | case 5333333: | |
6965 | return cdclk_sel ? 333333 : 222222; | |
6966 | case 3200000: | |
6967 | return cdclk_sel ? 320000 : 228571; | |
6968 | default: | |
6969 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u, CFGC=0x%04x\n", vco, tmp); | |
6970 | return 222222; | |
6971 | } | |
6972 | } | |
6973 | ||
6974 | static int i965gm_get_display_clock_speed(struct drm_device *dev) | |
6975 | { | |
6976 | static const uint8_t div_3200[] = { 16, 10, 8 }; | |
6977 | static const uint8_t div_4000[] = { 20, 12, 10 }; | |
6978 | static const uint8_t div_5333[] = { 24, 16, 14 }; | |
6979 | const uint8_t *div_table; | |
6980 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
6981 | uint16_t tmp = 0; | |
6982 | ||
6983 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
6984 | ||
6985 | cdclk_sel = ((tmp >> 8) & 0x1f) - 1; | |
6986 | ||
6987 | if (cdclk_sel >= ARRAY_SIZE(div_3200)) | |
6988 | goto fail; | |
6989 | ||
6990 | switch (vco) { | |
6991 | case 3200000: | |
6992 | div_table = div_3200; | |
6993 | break; | |
6994 | case 4000000: | |
6995 | div_table = div_4000; | |
6996 | break; | |
6997 | case 5333333: | |
6998 | div_table = div_5333; | |
6999 | break; | |
7000 | default: | |
7001 | goto fail; | |
7002 | } | |
7003 | ||
7004 | return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]); | |
7005 | ||
caf4e252 | 7006 | fail: |
34edce2f VS |
7007 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%04x\n", vco, tmp); |
7008 | return 200000; | |
7009 | } | |
7010 | ||
7011 | static int g33_get_display_clock_speed(struct drm_device *dev) | |
7012 | { | |
7013 | static const uint8_t div_3200[] = { 12, 10, 8, 7, 5, 16 }; | |
7014 | static const uint8_t div_4000[] = { 14, 12, 10, 8, 6, 20 }; | |
7015 | static const uint8_t div_4800[] = { 20, 14, 12, 10, 8, 24 }; | |
7016 | static const uint8_t div_5333[] = { 20, 16, 12, 12, 8, 28 }; | |
7017 | const uint8_t *div_table; | |
7018 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
7019 | uint16_t tmp = 0; | |
7020 | ||
7021 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
7022 | ||
7023 | cdclk_sel = (tmp >> 4) & 0x7; | |
7024 | ||
7025 | if (cdclk_sel >= ARRAY_SIZE(div_3200)) | |
7026 | goto fail; | |
7027 | ||
7028 | switch (vco) { | |
7029 | case 3200000: | |
7030 | div_table = div_3200; | |
7031 | break; | |
7032 | case 4000000: | |
7033 | div_table = div_4000; | |
7034 | break; | |
7035 | case 4800000: | |
7036 | div_table = div_4800; | |
7037 | break; | |
7038 | case 5333333: | |
7039 | div_table = div_5333; | |
7040 | break; | |
7041 | default: | |
7042 | goto fail; | |
7043 | } | |
7044 | ||
7045 | return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]); | |
7046 | ||
caf4e252 | 7047 | fail: |
34edce2f VS |
7048 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%08x\n", vco, tmp); |
7049 | return 190476; | |
7050 | } | |
7051 | ||
2c07245f | 7052 | static void |
a65851af | 7053 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
2c07245f | 7054 | { |
a65851af VS |
7055 | while (*num > DATA_LINK_M_N_MASK || |
7056 | *den > DATA_LINK_M_N_MASK) { | |
2c07245f ZW |
7057 | *num >>= 1; |
7058 | *den >>= 1; | |
7059 | } | |
7060 | } | |
7061 | ||
a65851af VS |
7062 | static void compute_m_n(unsigned int m, unsigned int n, |
7063 | uint32_t *ret_m, uint32_t *ret_n) | |
7064 | { | |
7065 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); | |
7066 | *ret_m = div_u64((uint64_t) m * *ret_n, n); | |
7067 | intel_reduce_m_n_ratio(ret_m, ret_n); | |
7068 | } | |
7069 | ||
e69d0bc1 DV |
7070 | void |
7071 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, | |
7072 | int pixel_clock, int link_clock, | |
7073 | struct intel_link_m_n *m_n) | |
2c07245f | 7074 | { |
e69d0bc1 | 7075 | m_n->tu = 64; |
a65851af VS |
7076 | |
7077 | compute_m_n(bits_per_pixel * pixel_clock, | |
7078 | link_clock * nlanes * 8, | |
7079 | &m_n->gmch_m, &m_n->gmch_n); | |
7080 | ||
7081 | compute_m_n(pixel_clock, link_clock, | |
7082 | &m_n->link_m, &m_n->link_n); | |
2c07245f ZW |
7083 | } |
7084 | ||
a7615030 CW |
7085 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
7086 | { | |
d330a953 JN |
7087 | if (i915.panel_use_ssc >= 0) |
7088 | return i915.panel_use_ssc != 0; | |
41aa3448 | 7089 | return dev_priv->vbt.lvds_use_ssc |
435793df | 7090 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
a7615030 CW |
7091 | } |
7092 | ||
a93e255f ACO |
7093 | static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, |
7094 | int num_connectors) | |
c65d77d8 | 7095 | { |
a93e255f | 7096 | struct drm_device *dev = crtc_state->base.crtc->dev; |
c65d77d8 JB |
7097 | struct drm_i915_private *dev_priv = dev->dev_private; |
7098 | int refclk; | |
7099 | ||
a93e255f ACO |
7100 | WARN_ON(!crtc_state->base.state); |
7101 | ||
666a4537 | 7102 | if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev) || IS_BROXTON(dev)) { |
9a0ea498 | 7103 | refclk = 100000; |
a93e255f | 7104 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
c65d77d8 | 7105 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
e91e941b VS |
7106 | refclk = dev_priv->vbt.lvds_ssc_freq; |
7107 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
c65d77d8 JB |
7108 | } else if (!IS_GEN2(dev)) { |
7109 | refclk = 96000; | |
7110 | } else { | |
7111 | refclk = 48000; | |
7112 | } | |
7113 | ||
7114 | return refclk; | |
7115 | } | |
7116 | ||
7429e9d4 | 7117 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
c65d77d8 | 7118 | { |
7df00d7a | 7119 | return (1 << dpll->n) << 16 | dpll->m2; |
7429e9d4 | 7120 | } |
f47709a9 | 7121 | |
7429e9d4 DV |
7122 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
7123 | { | |
7124 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; | |
c65d77d8 JB |
7125 | } |
7126 | ||
f47709a9 | 7127 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
190f68c5 | 7128 | struct intel_crtc_state *crtc_state, |
a7516a05 JB |
7129 | intel_clock_t *reduced_clock) |
7130 | { | |
f47709a9 | 7131 | struct drm_device *dev = crtc->base.dev; |
a7516a05 JB |
7132 | u32 fp, fp2 = 0; |
7133 | ||
7134 | if (IS_PINEVIEW(dev)) { | |
190f68c5 | 7135 | fp = pnv_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 7136 | if (reduced_clock) |
7429e9d4 | 7137 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
a7516a05 | 7138 | } else { |
190f68c5 | 7139 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 7140 | if (reduced_clock) |
7429e9d4 | 7141 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
a7516a05 JB |
7142 | } |
7143 | ||
190f68c5 | 7144 | crtc_state->dpll_hw_state.fp0 = fp; |
a7516a05 | 7145 | |
f47709a9 | 7146 | crtc->lowfreq_avail = false; |
a93e255f | 7147 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ab585dea | 7148 | reduced_clock) { |
190f68c5 | 7149 | crtc_state->dpll_hw_state.fp1 = fp2; |
f47709a9 | 7150 | crtc->lowfreq_avail = true; |
a7516a05 | 7151 | } else { |
190f68c5 | 7152 | crtc_state->dpll_hw_state.fp1 = fp; |
a7516a05 JB |
7153 | } |
7154 | } | |
7155 | ||
5e69f97f CML |
7156 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
7157 | pipe) | |
89b667f8 JB |
7158 | { |
7159 | u32 reg_val; | |
7160 | ||
7161 | /* | |
7162 | * PLLB opamp always calibrates to max value of 0x3f, force enable it | |
7163 | * and set it to a reasonable value instead. | |
7164 | */ | |
ab3c759a | 7165 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 JB |
7166 | reg_val &= 0xffffff00; |
7167 | reg_val |= 0x00000030; | |
ab3c759a | 7168 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 7169 | |
ab3c759a | 7170 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
7171 | reg_val &= 0x8cffffff; |
7172 | reg_val = 0x8c000000; | |
ab3c759a | 7173 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 | 7174 | |
ab3c759a | 7175 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 | 7176 | reg_val &= 0xffffff00; |
ab3c759a | 7177 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 7178 | |
ab3c759a | 7179 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
7180 | reg_val &= 0x00ffffff; |
7181 | reg_val |= 0xb0000000; | |
ab3c759a | 7182 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 JB |
7183 | } |
7184 | ||
b551842d DV |
7185 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
7186 | struct intel_link_m_n *m_n) | |
7187 | { | |
7188 | struct drm_device *dev = crtc->base.dev; | |
7189 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7190 | int pipe = crtc->pipe; | |
7191 | ||
e3b95f1e DV |
7192 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
7193 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); | |
7194 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); | |
7195 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); | |
b551842d DV |
7196 | } |
7197 | ||
7198 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, | |
f769cd24 VK |
7199 | struct intel_link_m_n *m_n, |
7200 | struct intel_link_m_n *m2_n2) | |
b551842d DV |
7201 | { |
7202 | struct drm_device *dev = crtc->base.dev; | |
7203 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7204 | int pipe = crtc->pipe; | |
6e3c9717 | 7205 | enum transcoder transcoder = crtc->config->cpu_transcoder; |
b551842d DV |
7206 | |
7207 | if (INTEL_INFO(dev)->gen >= 5) { | |
7208 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
7209 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); | |
7210 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); | |
7211 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); | |
f769cd24 VK |
7212 | /* M2_N2 registers to be set only for gen < 8 (M2_N2 available |
7213 | * for gen < 8) and if DRRS is supported (to make sure the | |
7214 | * registers are not unnecessarily accessed). | |
7215 | */ | |
44395bfe | 7216 | if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) && |
6e3c9717 | 7217 | crtc->config->has_drrs) { |
f769cd24 VK |
7218 | I915_WRITE(PIPE_DATA_M2(transcoder), |
7219 | TU_SIZE(m2_n2->tu) | m2_n2->gmch_m); | |
7220 | I915_WRITE(PIPE_DATA_N2(transcoder), m2_n2->gmch_n); | |
7221 | I915_WRITE(PIPE_LINK_M2(transcoder), m2_n2->link_m); | |
7222 | I915_WRITE(PIPE_LINK_N2(transcoder), m2_n2->link_n); | |
7223 | } | |
b551842d | 7224 | } else { |
e3b95f1e DV |
7225 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
7226 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); | |
7227 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); | |
7228 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); | |
b551842d DV |
7229 | } |
7230 | } | |
7231 | ||
fe3cd48d | 7232 | void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n) |
03afc4a2 | 7233 | { |
fe3cd48d R |
7234 | struct intel_link_m_n *dp_m_n, *dp_m2_n2 = NULL; |
7235 | ||
7236 | if (m_n == M1_N1) { | |
7237 | dp_m_n = &crtc->config->dp_m_n; | |
7238 | dp_m2_n2 = &crtc->config->dp_m2_n2; | |
7239 | } else if (m_n == M2_N2) { | |
7240 | ||
7241 | /* | |
7242 | * M2_N2 registers are not supported. Hence m2_n2 divider value | |
7243 | * needs to be programmed into M1_N1. | |
7244 | */ | |
7245 | dp_m_n = &crtc->config->dp_m2_n2; | |
7246 | } else { | |
7247 | DRM_ERROR("Unsupported divider value\n"); | |
7248 | return; | |
7249 | } | |
7250 | ||
6e3c9717 ACO |
7251 | if (crtc->config->has_pch_encoder) |
7252 | intel_pch_transcoder_set_m_n(crtc, &crtc->config->dp_m_n); | |
03afc4a2 | 7253 | else |
fe3cd48d | 7254 | intel_cpu_transcoder_set_m_n(crtc, dp_m_n, dp_m2_n2); |
03afc4a2 DV |
7255 | } |
7256 | ||
251ac862 DV |
7257 | static void vlv_compute_dpll(struct intel_crtc *crtc, |
7258 | struct intel_crtc_state *pipe_config) | |
bdd4b6a6 DV |
7259 | { |
7260 | u32 dpll, dpll_md; | |
7261 | ||
7262 | /* | |
7263 | * Enable DPIO clock input. We should never disable the reference | |
7264 | * clock for pipe B, since VGA hotplug / manual detection depends | |
7265 | * on it. | |
7266 | */ | |
60bfe44f VS |
7267 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REF_CLK_ENABLE_VLV | |
7268 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_REF_CLK_VLV; | |
bdd4b6a6 DV |
7269 | /* We should never disable this, set it here for state tracking */ |
7270 | if (crtc->pipe == PIPE_B) | |
7271 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
7272 | dpll |= DPLL_VCO_ENABLE; | |
d288f65f | 7273 | pipe_config->dpll_hw_state.dpll = dpll; |
bdd4b6a6 | 7274 | |
d288f65f | 7275 | dpll_md = (pipe_config->pixel_multiplier - 1) |
bdd4b6a6 | 7276 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
d288f65f | 7277 | pipe_config->dpll_hw_state.dpll_md = dpll_md; |
bdd4b6a6 DV |
7278 | } |
7279 | ||
d288f65f | 7280 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7281 | const struct intel_crtc_state *pipe_config) |
a0c4da24 | 7282 | { |
f47709a9 | 7283 | struct drm_device *dev = crtc->base.dev; |
a0c4da24 | 7284 | struct drm_i915_private *dev_priv = dev->dev_private; |
f47709a9 | 7285 | int pipe = crtc->pipe; |
bdd4b6a6 | 7286 | u32 mdiv; |
a0c4da24 | 7287 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
bdd4b6a6 | 7288 | u32 coreclk, reg_val; |
a0c4da24 | 7289 | |
a580516d | 7290 | mutex_lock(&dev_priv->sb_lock); |
09153000 | 7291 | |
d288f65f VS |
7292 | bestn = pipe_config->dpll.n; |
7293 | bestm1 = pipe_config->dpll.m1; | |
7294 | bestm2 = pipe_config->dpll.m2; | |
7295 | bestp1 = pipe_config->dpll.p1; | |
7296 | bestp2 = pipe_config->dpll.p2; | |
a0c4da24 | 7297 | |
89b667f8 JB |
7298 | /* See eDP HDMI DPIO driver vbios notes doc */ |
7299 | ||
7300 | /* PLL B needs special handling */ | |
bdd4b6a6 | 7301 | if (pipe == PIPE_B) |
5e69f97f | 7302 | vlv_pllb_recal_opamp(dev_priv, pipe); |
89b667f8 JB |
7303 | |
7304 | /* Set up Tx target for periodic Rcomp update */ | |
ab3c759a | 7305 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
89b667f8 JB |
7306 | |
7307 | /* Disable target IRef on PLL */ | |
ab3c759a | 7308 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
89b667f8 | 7309 | reg_val &= 0x00ffffff; |
ab3c759a | 7310 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
89b667f8 JB |
7311 | |
7312 | /* Disable fast lock */ | |
ab3c759a | 7313 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
89b667f8 JB |
7314 | |
7315 | /* Set idtafcrecal before PLL is enabled */ | |
a0c4da24 JB |
7316 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
7317 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); | |
7318 | mdiv |= ((bestn << DPIO_N_SHIFT)); | |
a0c4da24 | 7319 | mdiv |= (1 << DPIO_K_SHIFT); |
7df5080b JB |
7320 | |
7321 | /* | |
7322 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, | |
7323 | * but we don't support that). | |
7324 | * Note: don't use the DAC post divider as it seems unstable. | |
7325 | */ | |
7326 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); | |
ab3c759a | 7327 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 7328 | |
a0c4da24 | 7329 | mdiv |= DPIO_ENABLE_CALIBRATION; |
ab3c759a | 7330 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 7331 | |
89b667f8 | 7332 | /* Set HBR and RBR LPF coefficients */ |
d288f65f | 7333 | if (pipe_config->port_clock == 162000 || |
409ee761 ACO |
7334 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG) || |
7335 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) | |
ab3c759a | 7336 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
885b0120 | 7337 | 0x009f0003); |
89b667f8 | 7338 | else |
ab3c759a | 7339 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
89b667f8 JB |
7340 | 0x00d0000f); |
7341 | ||
681a8504 | 7342 | if (pipe_config->has_dp_encoder) { |
89b667f8 | 7343 | /* Use SSC source */ |
bdd4b6a6 | 7344 | if (pipe == PIPE_A) |
ab3c759a | 7345 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7346 | 0x0df40000); |
7347 | else | |
ab3c759a | 7348 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7349 | 0x0df70000); |
7350 | } else { /* HDMI or VGA */ | |
7351 | /* Use bend source */ | |
bdd4b6a6 | 7352 | if (pipe == PIPE_A) |
ab3c759a | 7353 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7354 | 0x0df70000); |
7355 | else | |
ab3c759a | 7356 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7357 | 0x0df40000); |
7358 | } | |
a0c4da24 | 7359 | |
ab3c759a | 7360 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
89b667f8 | 7361 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
409ee761 ACO |
7362 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
7363 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) | |
89b667f8 | 7364 | coreclk |= 0x01000000; |
ab3c759a | 7365 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
a0c4da24 | 7366 | |
ab3c759a | 7367 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
a580516d | 7368 | mutex_unlock(&dev_priv->sb_lock); |
a0c4da24 JB |
7369 | } |
7370 | ||
251ac862 DV |
7371 | static void chv_compute_dpll(struct intel_crtc *crtc, |
7372 | struct intel_crtc_state *pipe_config) | |
1ae0d137 | 7373 | { |
60bfe44f VS |
7374 | pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLK_CHV | |
7375 | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | | |
1ae0d137 VS |
7376 | DPLL_VCO_ENABLE; |
7377 | if (crtc->pipe != PIPE_A) | |
d288f65f | 7378 | pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
1ae0d137 | 7379 | |
d288f65f VS |
7380 | pipe_config->dpll_hw_state.dpll_md = |
7381 | (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
1ae0d137 VS |
7382 | } |
7383 | ||
d288f65f | 7384 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7385 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
7386 | { |
7387 | struct drm_device *dev = crtc->base.dev; | |
7388 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7389 | int pipe = crtc->pipe; | |
f0f59a00 | 7390 | i915_reg_t dpll_reg = DPLL(crtc->pipe); |
9d556c99 | 7391 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
9cbe40c1 | 7392 | u32 loopfilter, tribuf_calcntr; |
9d556c99 | 7393 | u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac; |
a945ce7e | 7394 | u32 dpio_val; |
9cbe40c1 | 7395 | int vco; |
9d556c99 | 7396 | |
d288f65f VS |
7397 | bestn = pipe_config->dpll.n; |
7398 | bestm2_frac = pipe_config->dpll.m2 & 0x3fffff; | |
7399 | bestm1 = pipe_config->dpll.m1; | |
7400 | bestm2 = pipe_config->dpll.m2 >> 22; | |
7401 | bestp1 = pipe_config->dpll.p1; | |
7402 | bestp2 = pipe_config->dpll.p2; | |
9cbe40c1 | 7403 | vco = pipe_config->dpll.vco; |
a945ce7e | 7404 | dpio_val = 0; |
9cbe40c1 | 7405 | loopfilter = 0; |
9d556c99 CML |
7406 | |
7407 | /* | |
7408 | * Enable Refclk and SSC | |
7409 | */ | |
a11b0703 | 7410 | I915_WRITE(dpll_reg, |
d288f65f | 7411 | pipe_config->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); |
a11b0703 | 7412 | |
a580516d | 7413 | mutex_lock(&dev_priv->sb_lock); |
9d556c99 | 7414 | |
9d556c99 CML |
7415 | /* p1 and p2 divider */ |
7416 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW13(port), | |
7417 | 5 << DPIO_CHV_S1_DIV_SHIFT | | |
7418 | bestp1 << DPIO_CHV_P1_DIV_SHIFT | | |
7419 | bestp2 << DPIO_CHV_P2_DIV_SHIFT | | |
7420 | 1 << DPIO_CHV_K_DIV_SHIFT); | |
7421 | ||
7422 | /* Feedback post-divider - m2 */ | |
7423 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW0(port), bestm2); | |
7424 | ||
7425 | /* Feedback refclk divider - n and m1 */ | |
7426 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW1(port), | |
7427 | DPIO_CHV_M1_DIV_BY_2 | | |
7428 | 1 << DPIO_CHV_N_DIV_SHIFT); | |
7429 | ||
7430 | /* M2 fraction division */ | |
25a25dfc | 7431 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW2(port), bestm2_frac); |
9d556c99 CML |
7432 | |
7433 | /* M2 fraction division enable */ | |
a945ce7e VP |
7434 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
7435 | dpio_val &= ~(DPIO_CHV_FEEDFWD_GAIN_MASK | DPIO_CHV_FRAC_DIV_EN); | |
7436 | dpio_val |= (2 << DPIO_CHV_FEEDFWD_GAIN_SHIFT); | |
7437 | if (bestm2_frac) | |
7438 | dpio_val |= DPIO_CHV_FRAC_DIV_EN; | |
7439 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW3(port), dpio_val); | |
9d556c99 | 7440 | |
de3a0fde VP |
7441 | /* Program digital lock detect threshold */ |
7442 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW9(port)); | |
7443 | dpio_val &= ~(DPIO_CHV_INT_LOCK_THRESHOLD_MASK | | |
7444 | DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE); | |
7445 | dpio_val |= (0x5 << DPIO_CHV_INT_LOCK_THRESHOLD_SHIFT); | |
7446 | if (!bestm2_frac) | |
7447 | dpio_val |= DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE; | |
7448 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW9(port), dpio_val); | |
7449 | ||
9d556c99 | 7450 | /* Loop filter */ |
9cbe40c1 VP |
7451 | if (vco == 5400000) { |
7452 | loopfilter |= (0x3 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7453 | loopfilter |= (0x8 << DPIO_CHV_INT_COEFF_SHIFT); | |
7454 | loopfilter |= (0x1 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7455 | tribuf_calcntr = 0x9; | |
7456 | } else if (vco <= 6200000) { | |
7457 | loopfilter |= (0x5 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7458 | loopfilter |= (0xB << DPIO_CHV_INT_COEFF_SHIFT); | |
7459 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7460 | tribuf_calcntr = 0x9; | |
7461 | } else if (vco <= 6480000) { | |
7462 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7463 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
7464 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7465 | tribuf_calcntr = 0x8; | |
7466 | } else { | |
7467 | /* Not supported. Apply the same limits as in the max case */ | |
7468 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7469 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
7470 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7471 | tribuf_calcntr = 0; | |
7472 | } | |
9d556c99 CML |
7473 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW6(port), loopfilter); |
7474 | ||
968040b2 | 7475 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW8(port)); |
9cbe40c1 VP |
7476 | dpio_val &= ~DPIO_CHV_TDC_TARGET_CNT_MASK; |
7477 | dpio_val |= (tribuf_calcntr << DPIO_CHV_TDC_TARGET_CNT_SHIFT); | |
7478 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW8(port), dpio_val); | |
7479 | ||
9d556c99 CML |
7480 | /* AFC Recal */ |
7481 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), | |
7482 | vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)) | | |
7483 | DPIO_AFC_RECAL); | |
7484 | ||
a580516d | 7485 | mutex_unlock(&dev_priv->sb_lock); |
9d556c99 CML |
7486 | } |
7487 | ||
d288f65f VS |
7488 | /** |
7489 | * vlv_force_pll_on - forcibly enable just the PLL | |
7490 | * @dev_priv: i915 private structure | |
7491 | * @pipe: pipe PLL to enable | |
7492 | * @dpll: PLL configuration | |
7493 | * | |
7494 | * Enable the PLL for @pipe using the supplied @dpll config. To be used | |
7495 | * in cases where we need the PLL enabled even when @pipe is not going to | |
7496 | * be enabled. | |
7497 | */ | |
3f36b937 TU |
7498 | int vlv_force_pll_on(struct drm_device *dev, enum pipe pipe, |
7499 | const struct dpll *dpll) | |
d288f65f VS |
7500 | { |
7501 | struct intel_crtc *crtc = | |
7502 | to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); | |
3f36b937 TU |
7503 | struct intel_crtc_state *pipe_config; |
7504 | ||
7505 | pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL); | |
7506 | if (!pipe_config) | |
7507 | return -ENOMEM; | |
7508 | ||
7509 | pipe_config->base.crtc = &crtc->base; | |
7510 | pipe_config->pixel_multiplier = 1; | |
7511 | pipe_config->dpll = *dpll; | |
d288f65f VS |
7512 | |
7513 | if (IS_CHERRYVIEW(dev)) { | |
3f36b937 TU |
7514 | chv_compute_dpll(crtc, pipe_config); |
7515 | chv_prepare_pll(crtc, pipe_config); | |
7516 | chv_enable_pll(crtc, pipe_config); | |
d288f65f | 7517 | } else { |
3f36b937 TU |
7518 | vlv_compute_dpll(crtc, pipe_config); |
7519 | vlv_prepare_pll(crtc, pipe_config); | |
7520 | vlv_enable_pll(crtc, pipe_config); | |
d288f65f | 7521 | } |
3f36b937 TU |
7522 | |
7523 | kfree(pipe_config); | |
7524 | ||
7525 | return 0; | |
d288f65f VS |
7526 | } |
7527 | ||
7528 | /** | |
7529 | * vlv_force_pll_off - forcibly disable just the PLL | |
7530 | * @dev_priv: i915 private structure | |
7531 | * @pipe: pipe PLL to disable | |
7532 | * | |
7533 | * Disable the PLL for @pipe. To be used in cases where we need | |
7534 | * the PLL enabled even when @pipe is not going to be enabled. | |
7535 | */ | |
7536 | void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe) | |
7537 | { | |
7538 | if (IS_CHERRYVIEW(dev)) | |
7539 | chv_disable_pll(to_i915(dev), pipe); | |
7540 | else | |
7541 | vlv_disable_pll(to_i915(dev), pipe); | |
7542 | } | |
7543 | ||
251ac862 DV |
7544 | static void i9xx_compute_dpll(struct intel_crtc *crtc, |
7545 | struct intel_crtc_state *crtc_state, | |
7546 | intel_clock_t *reduced_clock, | |
7547 | int num_connectors) | |
eb1cbe48 | 7548 | { |
f47709a9 | 7549 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 7550 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 DV |
7551 | u32 dpll; |
7552 | bool is_sdvo; | |
190f68c5 | 7553 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 7554 | |
190f68c5 | 7555 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 7556 | |
a93e255f ACO |
7557 | is_sdvo = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO) || |
7558 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI); | |
eb1cbe48 DV |
7559 | |
7560 | dpll = DPLL_VGA_MODE_DIS; | |
7561 | ||
a93e255f | 7562 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
eb1cbe48 DV |
7563 | dpll |= DPLLB_MODE_LVDS; |
7564 | else | |
7565 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
6cc5f341 | 7566 | |
ef1b460d | 7567 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
190f68c5 | 7568 | dpll |= (crtc_state->pixel_multiplier - 1) |
198a037f | 7569 | << SDVO_MULTIPLIER_SHIFT_HIRES; |
eb1cbe48 | 7570 | } |
198a037f DV |
7571 | |
7572 | if (is_sdvo) | |
4a33e48d | 7573 | dpll |= DPLL_SDVO_HIGH_SPEED; |
198a037f | 7574 | |
190f68c5 | 7575 | if (crtc_state->has_dp_encoder) |
4a33e48d | 7576 | dpll |= DPLL_SDVO_HIGH_SPEED; |
eb1cbe48 DV |
7577 | |
7578 | /* compute bitmask from p1 value */ | |
7579 | if (IS_PINEVIEW(dev)) | |
7580 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; | |
7581 | else { | |
7582 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
7583 | if (IS_G4X(dev) && reduced_clock) | |
7584 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; | |
7585 | } | |
7586 | switch (clock->p2) { | |
7587 | case 5: | |
7588 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
7589 | break; | |
7590 | case 7: | |
7591 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
7592 | break; | |
7593 | case 10: | |
7594 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
7595 | break; | |
7596 | case 14: | |
7597 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
7598 | break; | |
7599 | } | |
7600 | if (INTEL_INFO(dev)->gen >= 4) | |
7601 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
7602 | ||
190f68c5 | 7603 | if (crtc_state->sdvo_tv_clock) |
eb1cbe48 | 7604 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
a93e255f | 7605 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
7606 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7607 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
7608 | else | |
7609 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7610 | ||
7611 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 7612 | crtc_state->dpll_hw_state.dpll = dpll; |
8bcc2795 | 7613 | |
eb1cbe48 | 7614 | if (INTEL_INFO(dev)->gen >= 4) { |
190f68c5 | 7615 | u32 dpll_md = (crtc_state->pixel_multiplier - 1) |
ef1b460d | 7616 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
190f68c5 | 7617 | crtc_state->dpll_hw_state.dpll_md = dpll_md; |
eb1cbe48 DV |
7618 | } |
7619 | } | |
7620 | ||
251ac862 DV |
7621 | static void i8xx_compute_dpll(struct intel_crtc *crtc, |
7622 | struct intel_crtc_state *crtc_state, | |
7623 | intel_clock_t *reduced_clock, | |
7624 | int num_connectors) | |
eb1cbe48 | 7625 | { |
f47709a9 | 7626 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 7627 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 | 7628 | u32 dpll; |
190f68c5 | 7629 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 7630 | |
190f68c5 | 7631 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 7632 | |
eb1cbe48 DV |
7633 | dpll = DPLL_VGA_MODE_DIS; |
7634 | ||
a93e255f | 7635 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
eb1cbe48 DV |
7636 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
7637 | } else { | |
7638 | if (clock->p1 == 2) | |
7639 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
7640 | else | |
7641 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
7642 | if (clock->p2 == 4) | |
7643 | dpll |= PLL_P2_DIVIDE_BY_4; | |
7644 | } | |
7645 | ||
a93e255f | 7646 | if (!IS_I830(dev) && intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
4a33e48d DV |
7647 | dpll |= DPLL_DVO_2X_MODE; |
7648 | ||
a93e255f | 7649 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
7650 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7651 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
7652 | else | |
7653 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7654 | ||
7655 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 7656 | crtc_state->dpll_hw_state.dpll = dpll; |
eb1cbe48 DV |
7657 | } |
7658 | ||
8a654f3b | 7659 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
b0e77b9c PZ |
7660 | { |
7661 | struct drm_device *dev = intel_crtc->base.dev; | |
7662 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7663 | enum pipe pipe = intel_crtc->pipe; | |
6e3c9717 | 7664 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
7c5f93b0 | 7665 | const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode; |
1caea6e9 VS |
7666 | uint32_t crtc_vtotal, crtc_vblank_end; |
7667 | int vsyncshift = 0; | |
4d8a62ea DV |
7668 | |
7669 | /* We need to be careful not to changed the adjusted mode, for otherwise | |
7670 | * the hw state checker will get angry at the mismatch. */ | |
7671 | crtc_vtotal = adjusted_mode->crtc_vtotal; | |
7672 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; | |
b0e77b9c | 7673 | |
609aeaca | 7674 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
b0e77b9c | 7675 | /* the chip adds 2 halflines automatically */ |
4d8a62ea DV |
7676 | crtc_vtotal -= 1; |
7677 | crtc_vblank_end -= 1; | |
609aeaca | 7678 | |
409ee761 | 7679 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
609aeaca VS |
7680 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; |
7681 | else | |
7682 | vsyncshift = adjusted_mode->crtc_hsync_start - | |
7683 | adjusted_mode->crtc_htotal / 2; | |
1caea6e9 VS |
7684 | if (vsyncshift < 0) |
7685 | vsyncshift += adjusted_mode->crtc_htotal; | |
b0e77b9c PZ |
7686 | } |
7687 | ||
7688 | if (INTEL_INFO(dev)->gen > 3) | |
fe2b8f9d | 7689 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
b0e77b9c | 7690 | |
fe2b8f9d | 7691 | I915_WRITE(HTOTAL(cpu_transcoder), |
b0e77b9c PZ |
7692 | (adjusted_mode->crtc_hdisplay - 1) | |
7693 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
fe2b8f9d | 7694 | I915_WRITE(HBLANK(cpu_transcoder), |
b0e77b9c PZ |
7695 | (adjusted_mode->crtc_hblank_start - 1) | |
7696 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
fe2b8f9d | 7697 | I915_WRITE(HSYNC(cpu_transcoder), |
b0e77b9c PZ |
7698 | (adjusted_mode->crtc_hsync_start - 1) | |
7699 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
7700 | ||
fe2b8f9d | 7701 | I915_WRITE(VTOTAL(cpu_transcoder), |
b0e77b9c | 7702 | (adjusted_mode->crtc_vdisplay - 1) | |
4d8a62ea | 7703 | ((crtc_vtotal - 1) << 16)); |
fe2b8f9d | 7704 | I915_WRITE(VBLANK(cpu_transcoder), |
b0e77b9c | 7705 | (adjusted_mode->crtc_vblank_start - 1) | |
4d8a62ea | 7706 | ((crtc_vblank_end - 1) << 16)); |
fe2b8f9d | 7707 | I915_WRITE(VSYNC(cpu_transcoder), |
b0e77b9c PZ |
7708 | (adjusted_mode->crtc_vsync_start - 1) | |
7709 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
7710 | ||
b5e508d4 PZ |
7711 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
7712 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is | |
7713 | * documented on the DDI_FUNC_CTL register description, EDP Input Select | |
7714 | * bits. */ | |
7715 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && | |
7716 | (pipe == PIPE_B || pipe == PIPE_C)) | |
7717 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); | |
7718 | ||
b0e77b9c PZ |
7719 | /* pipesrc controls the size that is scaled from, which should |
7720 | * always be the user's requested size. | |
7721 | */ | |
7722 | I915_WRITE(PIPESRC(pipe), | |
6e3c9717 ACO |
7723 | ((intel_crtc->config->pipe_src_w - 1) << 16) | |
7724 | (intel_crtc->config->pipe_src_h - 1)); | |
b0e77b9c PZ |
7725 | } |
7726 | ||
1bd1bd80 | 7727 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
5cec258b | 7728 | struct intel_crtc_state *pipe_config) |
1bd1bd80 DV |
7729 | { |
7730 | struct drm_device *dev = crtc->base.dev; | |
7731 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7732 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; | |
7733 | uint32_t tmp; | |
7734 | ||
7735 | tmp = I915_READ(HTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
7736 | pipe_config->base.adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; |
7737 | pipe_config->base.adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7738 | tmp = I915_READ(HBLANK(cpu_transcoder)); |
2d112de7 ACO |
7739 | pipe_config->base.adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; |
7740 | pipe_config->base.adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7741 | tmp = I915_READ(HSYNC(cpu_transcoder)); |
2d112de7 ACO |
7742 | pipe_config->base.adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; |
7743 | pipe_config->base.adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
7744 | |
7745 | tmp = I915_READ(VTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
7746 | pipe_config->base.adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; |
7747 | pipe_config->base.adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7748 | tmp = I915_READ(VBLANK(cpu_transcoder)); |
2d112de7 ACO |
7749 | pipe_config->base.adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; |
7750 | pipe_config->base.adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7751 | tmp = I915_READ(VSYNC(cpu_transcoder)); |
2d112de7 ACO |
7752 | pipe_config->base.adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; |
7753 | pipe_config->base.adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
7754 | |
7755 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { | |
2d112de7 ACO |
7756 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; |
7757 | pipe_config->base.adjusted_mode.crtc_vtotal += 1; | |
7758 | pipe_config->base.adjusted_mode.crtc_vblank_end += 1; | |
1bd1bd80 DV |
7759 | } |
7760 | ||
7761 | tmp = I915_READ(PIPESRC(crtc->pipe)); | |
37327abd VS |
7762 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
7763 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; | |
7764 | ||
2d112de7 ACO |
7765 | pipe_config->base.mode.vdisplay = pipe_config->pipe_src_h; |
7766 | pipe_config->base.mode.hdisplay = pipe_config->pipe_src_w; | |
1bd1bd80 DV |
7767 | } |
7768 | ||
f6a83288 | 7769 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
5cec258b | 7770 | struct intel_crtc_state *pipe_config) |
babea61d | 7771 | { |
2d112de7 ACO |
7772 | mode->hdisplay = pipe_config->base.adjusted_mode.crtc_hdisplay; |
7773 | mode->htotal = pipe_config->base.adjusted_mode.crtc_htotal; | |
7774 | mode->hsync_start = pipe_config->base.adjusted_mode.crtc_hsync_start; | |
7775 | mode->hsync_end = pipe_config->base.adjusted_mode.crtc_hsync_end; | |
babea61d | 7776 | |
2d112de7 ACO |
7777 | mode->vdisplay = pipe_config->base.adjusted_mode.crtc_vdisplay; |
7778 | mode->vtotal = pipe_config->base.adjusted_mode.crtc_vtotal; | |
7779 | mode->vsync_start = pipe_config->base.adjusted_mode.crtc_vsync_start; | |
7780 | mode->vsync_end = pipe_config->base.adjusted_mode.crtc_vsync_end; | |
babea61d | 7781 | |
2d112de7 | 7782 | mode->flags = pipe_config->base.adjusted_mode.flags; |
cd13f5ab | 7783 | mode->type = DRM_MODE_TYPE_DRIVER; |
babea61d | 7784 | |
2d112de7 ACO |
7785 | mode->clock = pipe_config->base.adjusted_mode.crtc_clock; |
7786 | mode->flags |= pipe_config->base.adjusted_mode.flags; | |
cd13f5ab ML |
7787 | |
7788 | mode->hsync = drm_mode_hsync(mode); | |
7789 | mode->vrefresh = drm_mode_vrefresh(mode); | |
7790 | drm_mode_set_name(mode); | |
babea61d JB |
7791 | } |
7792 | ||
84b046f3 DV |
7793 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
7794 | { | |
7795 | struct drm_device *dev = intel_crtc->base.dev; | |
7796 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7797 | uint32_t pipeconf; | |
7798 | ||
9f11a9e4 | 7799 | pipeconf = 0; |
84b046f3 | 7800 | |
b6b5d049 VS |
7801 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
7802 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
7803 | pipeconf |= I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE; | |
67c72a12 | 7804 | |
6e3c9717 | 7805 | if (intel_crtc->config->double_wide) |
cf532bb2 | 7806 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
84b046f3 | 7807 | |
ff9ce46e | 7808 | /* only g4x and later have fancy bpc/dither controls */ |
666a4537 | 7809 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
ff9ce46e | 7810 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
6e3c9717 | 7811 | if (intel_crtc->config->dither && intel_crtc->config->pipe_bpp != 30) |
ff9ce46e | 7812 | pipeconf |= PIPECONF_DITHER_EN | |
84b046f3 | 7813 | PIPECONF_DITHER_TYPE_SP; |
84b046f3 | 7814 | |
6e3c9717 | 7815 | switch (intel_crtc->config->pipe_bpp) { |
ff9ce46e DV |
7816 | case 18: |
7817 | pipeconf |= PIPECONF_6BPC; | |
7818 | break; | |
7819 | case 24: | |
7820 | pipeconf |= PIPECONF_8BPC; | |
7821 | break; | |
7822 | case 30: | |
7823 | pipeconf |= PIPECONF_10BPC; | |
7824 | break; | |
7825 | default: | |
7826 | /* Case prevented by intel_choose_pipe_bpp_dither. */ | |
7827 | BUG(); | |
84b046f3 DV |
7828 | } |
7829 | } | |
7830 | ||
7831 | if (HAS_PIPE_CXSR(dev)) { | |
7832 | if (intel_crtc->lowfreq_avail) { | |
7833 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); | |
7834 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; | |
7835 | } else { | |
7836 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); | |
84b046f3 DV |
7837 | } |
7838 | } | |
7839 | ||
6e3c9717 | 7840 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
efc2cfff | 7841 | if (INTEL_INFO(dev)->gen < 4 || |
409ee761 | 7842 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
efc2cfff VS |
7843 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
7844 | else | |
7845 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; | |
7846 | } else | |
84b046f3 DV |
7847 | pipeconf |= PIPECONF_PROGRESSIVE; |
7848 | ||
666a4537 WB |
7849 | if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) && |
7850 | intel_crtc->config->limited_color_range) | |
9f11a9e4 | 7851 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; |
9c8e09b7 | 7852 | |
84b046f3 DV |
7853 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
7854 | POSTING_READ(PIPECONF(intel_crtc->pipe)); | |
7855 | } | |
7856 | ||
190f68c5 ACO |
7857 | static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, |
7858 | struct intel_crtc_state *crtc_state) | |
79e53945 | 7859 | { |
c7653199 | 7860 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 7861 | struct drm_i915_private *dev_priv = dev->dev_private; |
c751ce4f | 7862 | int refclk, num_connectors = 0; |
c329a4ec DV |
7863 | intel_clock_t clock; |
7864 | bool ok; | |
d4906093 | 7865 | const intel_limit_t *limit; |
55bb9992 | 7866 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 7867 | struct drm_connector *connector; |
55bb9992 ACO |
7868 | struct drm_connector_state *connector_state; |
7869 | int i; | |
79e53945 | 7870 | |
dd3cd74a ACO |
7871 | memset(&crtc_state->dpll_hw_state, 0, |
7872 | sizeof(crtc_state->dpll_hw_state)); | |
7873 | ||
a65347ba JN |
7874 | if (crtc_state->has_dsi_encoder) |
7875 | return 0; | |
43565a06 | 7876 | |
a65347ba JN |
7877 | for_each_connector_in_state(state, connector, connector_state, i) { |
7878 | if (connector_state->crtc == &crtc->base) | |
7879 | num_connectors++; | |
79e53945 JB |
7880 | } |
7881 | ||
190f68c5 | 7882 | if (!crtc_state->clock_set) { |
a93e255f | 7883 | refclk = i9xx_get_refclk(crtc_state, num_connectors); |
79e53945 | 7884 | |
e9fd1c02 JN |
7885 | /* |
7886 | * Returns a set of divisors for the desired target clock with | |
7887 | * the given refclk, or FALSE. The returned values represent | |
7888 | * the clock equation: reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + | |
7889 | * 2) / p1 / p2. | |
7890 | */ | |
a93e255f ACO |
7891 | limit = intel_limit(crtc_state, refclk); |
7892 | ok = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 7893 | crtc_state->port_clock, |
e9fd1c02 | 7894 | refclk, NULL, &clock); |
f2335330 | 7895 | if (!ok) { |
e9fd1c02 JN |
7896 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
7897 | return -EINVAL; | |
7898 | } | |
79e53945 | 7899 | |
f2335330 | 7900 | /* Compat-code for transition, will disappear. */ |
190f68c5 ACO |
7901 | crtc_state->dpll.n = clock.n; |
7902 | crtc_state->dpll.m1 = clock.m1; | |
7903 | crtc_state->dpll.m2 = clock.m2; | |
7904 | crtc_state->dpll.p1 = clock.p1; | |
7905 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 7906 | } |
7026d4ac | 7907 | |
e9fd1c02 | 7908 | if (IS_GEN2(dev)) { |
c329a4ec | 7909 | i8xx_compute_dpll(crtc, crtc_state, NULL, |
251ac862 | 7910 | num_connectors); |
9d556c99 | 7911 | } else if (IS_CHERRYVIEW(dev)) { |
251ac862 | 7912 | chv_compute_dpll(crtc, crtc_state); |
e9fd1c02 | 7913 | } else if (IS_VALLEYVIEW(dev)) { |
251ac862 | 7914 | vlv_compute_dpll(crtc, crtc_state); |
e9fd1c02 | 7915 | } else { |
c329a4ec | 7916 | i9xx_compute_dpll(crtc, crtc_state, NULL, |
251ac862 | 7917 | num_connectors); |
e9fd1c02 | 7918 | } |
79e53945 | 7919 | |
c8f7a0db | 7920 | return 0; |
f564048e EA |
7921 | } |
7922 | ||
2fa2fe9a | 7923 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 7924 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
7925 | { |
7926 | struct drm_device *dev = crtc->base.dev; | |
7927 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7928 | uint32_t tmp; | |
7929 | ||
dc9e7dec VS |
7930 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
7931 | return; | |
7932 | ||
2fa2fe9a | 7933 | tmp = I915_READ(PFIT_CONTROL); |
06922821 DV |
7934 | if (!(tmp & PFIT_ENABLE)) |
7935 | return; | |
2fa2fe9a | 7936 | |
06922821 | 7937 | /* Check whether the pfit is attached to our pipe. */ |
2fa2fe9a DV |
7938 | if (INTEL_INFO(dev)->gen < 4) { |
7939 | if (crtc->pipe != PIPE_B) | |
7940 | return; | |
2fa2fe9a DV |
7941 | } else { |
7942 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) | |
7943 | return; | |
7944 | } | |
7945 | ||
06922821 | 7946 | pipe_config->gmch_pfit.control = tmp; |
2fa2fe9a DV |
7947 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
7948 | if (INTEL_INFO(dev)->gen < 5) | |
7949 | pipe_config->gmch_pfit.lvds_border_bits = | |
7950 | I915_READ(LVDS) & LVDS_BORDER_ENABLE; | |
7951 | } | |
7952 | ||
acbec814 | 7953 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 7954 | struct intel_crtc_state *pipe_config) |
acbec814 JB |
7955 | { |
7956 | struct drm_device *dev = crtc->base.dev; | |
7957 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7958 | int pipe = pipe_config->cpu_transcoder; | |
7959 | intel_clock_t clock; | |
7960 | u32 mdiv; | |
662c6ecb | 7961 | int refclk = 100000; |
acbec814 | 7962 | |
f573de5a SK |
7963 | /* In case of MIPI DPLL will not even be used */ |
7964 | if (!(pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE)) | |
7965 | return; | |
7966 | ||
a580516d | 7967 | mutex_lock(&dev_priv->sb_lock); |
ab3c759a | 7968 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
a580516d | 7969 | mutex_unlock(&dev_priv->sb_lock); |
acbec814 JB |
7970 | |
7971 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; | |
7972 | clock.m2 = mdiv & DPIO_M2DIV_MASK; | |
7973 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; | |
7974 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; | |
7975 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; | |
7976 | ||
dccbea3b | 7977 | pipe_config->port_clock = vlv_calc_dpll_params(refclk, &clock); |
acbec814 JB |
7978 | } |
7979 | ||
5724dbd1 DL |
7980 | static void |
7981 | i9xx_get_initial_plane_config(struct intel_crtc *crtc, | |
7982 | struct intel_initial_plane_config *plane_config) | |
1ad292b5 JB |
7983 | { |
7984 | struct drm_device *dev = crtc->base.dev; | |
7985 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7986 | u32 val, base, offset; | |
7987 | int pipe = crtc->pipe, plane = crtc->plane; | |
7988 | int fourcc, pixel_format; | |
6761dd31 | 7989 | unsigned int aligned_height; |
b113d5ee | 7990 | struct drm_framebuffer *fb; |
1b842c89 | 7991 | struct intel_framebuffer *intel_fb; |
1ad292b5 | 7992 | |
42a7b088 DL |
7993 | val = I915_READ(DSPCNTR(plane)); |
7994 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
7995 | return; | |
7996 | ||
d9806c9f | 7997 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 7998 | if (!intel_fb) { |
1ad292b5 JB |
7999 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
8000 | return; | |
8001 | } | |
8002 | ||
1b842c89 DL |
8003 | fb = &intel_fb->base; |
8004 | ||
18c5247e DV |
8005 | if (INTEL_INFO(dev)->gen >= 4) { |
8006 | if (val & DISPPLANE_TILED) { | |
49af449b | 8007 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
8008 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
8009 | } | |
8010 | } | |
1ad292b5 JB |
8011 | |
8012 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 8013 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
8014 | fb->pixel_format = fourcc; |
8015 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
1ad292b5 JB |
8016 | |
8017 | if (INTEL_INFO(dev)->gen >= 4) { | |
49af449b | 8018 | if (plane_config->tiling) |
1ad292b5 JB |
8019 | offset = I915_READ(DSPTILEOFF(plane)); |
8020 | else | |
8021 | offset = I915_READ(DSPLINOFF(plane)); | |
8022 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; | |
8023 | } else { | |
8024 | base = I915_READ(DSPADDR(plane)); | |
8025 | } | |
8026 | plane_config->base = base; | |
8027 | ||
8028 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
8029 | fb->width = ((val >> 16) & 0xfff) + 1; |
8030 | fb->height = ((val >> 0) & 0xfff) + 1; | |
1ad292b5 JB |
8031 | |
8032 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 8033 | fb->pitches[0] = val & 0xffffffc0; |
1ad292b5 | 8034 | |
b113d5ee | 8035 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
8036 | fb->pixel_format, |
8037 | fb->modifier[0]); | |
1ad292b5 | 8038 | |
f37b5c2b | 8039 | plane_config->size = fb->pitches[0] * aligned_height; |
1ad292b5 | 8040 | |
2844a921 DL |
8041 | DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
8042 | pipe_name(pipe), plane, fb->width, fb->height, | |
8043 | fb->bits_per_pixel, base, fb->pitches[0], | |
8044 | plane_config->size); | |
1ad292b5 | 8045 | |
2d14030b | 8046 | plane_config->fb = intel_fb; |
1ad292b5 JB |
8047 | } |
8048 | ||
70b23a98 | 8049 | static void chv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 8050 | struct intel_crtc_state *pipe_config) |
70b23a98 VS |
8051 | { |
8052 | struct drm_device *dev = crtc->base.dev; | |
8053 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8054 | int pipe = pipe_config->cpu_transcoder; | |
8055 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
8056 | intel_clock_t clock; | |
0d7b6b11 | 8057 | u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2, pll_dw3; |
70b23a98 VS |
8058 | int refclk = 100000; |
8059 | ||
a580516d | 8060 | mutex_lock(&dev_priv->sb_lock); |
70b23a98 VS |
8061 | cmn_dw13 = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW13(port)); |
8062 | pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); | |
8063 | pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); | |
8064 | pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); | |
0d7b6b11 | 8065 | pll_dw3 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
a580516d | 8066 | mutex_unlock(&dev_priv->sb_lock); |
70b23a98 VS |
8067 | |
8068 | clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; | |
0d7b6b11 ID |
8069 | clock.m2 = (pll_dw0 & 0xff) << 22; |
8070 | if (pll_dw3 & DPIO_CHV_FRAC_DIV_EN) | |
8071 | clock.m2 |= pll_dw2 & 0x3fffff; | |
70b23a98 VS |
8072 | clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; |
8073 | clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; | |
8074 | clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; | |
8075 | ||
dccbea3b | 8076 | pipe_config->port_clock = chv_calc_dpll_params(refclk, &clock); |
70b23a98 VS |
8077 | } |
8078 | ||
0e8ffe1b | 8079 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 8080 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
8081 | { |
8082 | struct drm_device *dev = crtc->base.dev; | |
8083 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1729050e | 8084 | enum intel_display_power_domain power_domain; |
0e8ffe1b | 8085 | uint32_t tmp; |
1729050e | 8086 | bool ret; |
0e8ffe1b | 8087 | |
1729050e ID |
8088 | power_domain = POWER_DOMAIN_PIPE(crtc->pipe); |
8089 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
b5482bd0 ID |
8090 | return false; |
8091 | ||
e143a21c | 8092 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
8106ddbd | 8093 | pipe_config->shared_dpll = NULL; |
eccb140b | 8094 | |
1729050e ID |
8095 | ret = false; |
8096 | ||
0e8ffe1b DV |
8097 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
8098 | if (!(tmp & PIPECONF_ENABLE)) | |
1729050e | 8099 | goto out; |
0e8ffe1b | 8100 | |
666a4537 | 8101 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
42571aef VS |
8102 | switch (tmp & PIPECONF_BPC_MASK) { |
8103 | case PIPECONF_6BPC: | |
8104 | pipe_config->pipe_bpp = 18; | |
8105 | break; | |
8106 | case PIPECONF_8BPC: | |
8107 | pipe_config->pipe_bpp = 24; | |
8108 | break; | |
8109 | case PIPECONF_10BPC: | |
8110 | pipe_config->pipe_bpp = 30; | |
8111 | break; | |
8112 | default: | |
8113 | break; | |
8114 | } | |
8115 | } | |
8116 | ||
666a4537 WB |
8117 | if ((IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) && |
8118 | (tmp & PIPECONF_COLOR_RANGE_SELECT)) | |
b5a9fa09 DV |
8119 | pipe_config->limited_color_range = true; |
8120 | ||
282740f7 VS |
8121 | if (INTEL_INFO(dev)->gen < 4) |
8122 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; | |
8123 | ||
1bd1bd80 DV |
8124 | intel_get_pipe_timings(crtc, pipe_config); |
8125 | ||
2fa2fe9a DV |
8126 | i9xx_get_pfit_config(crtc, pipe_config); |
8127 | ||
6c49f241 DV |
8128 | if (INTEL_INFO(dev)->gen >= 4) { |
8129 | tmp = I915_READ(DPLL_MD(crtc->pipe)); | |
8130 | pipe_config->pixel_multiplier = | |
8131 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) | |
8132 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; | |
8bcc2795 | 8133 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6c49f241 DV |
8134 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
8135 | tmp = I915_READ(DPLL(crtc->pipe)); | |
8136 | pipe_config->pixel_multiplier = | |
8137 | ((tmp & SDVO_MULTIPLIER_MASK) | |
8138 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; | |
8139 | } else { | |
8140 | /* Note that on i915G/GM the pixel multiplier is in the sdvo | |
8141 | * port and will be fixed up in the encoder->get_config | |
8142 | * function. */ | |
8143 | pipe_config->pixel_multiplier = 1; | |
8144 | } | |
8bcc2795 | 8145 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
666a4537 | 8146 | if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev)) { |
1c4e0274 VS |
8147 | /* |
8148 | * DPLL_DVO_2X_MODE must be enabled for both DPLLs | |
8149 | * on 830. Filter it out here so that we don't | |
8150 | * report errors due to that. | |
8151 | */ | |
8152 | if (IS_I830(dev)) | |
8153 | pipe_config->dpll_hw_state.dpll &= ~DPLL_DVO_2X_MODE; | |
8154 | ||
8bcc2795 DV |
8155 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); |
8156 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); | |
165e901c VS |
8157 | } else { |
8158 | /* Mask out read-only status bits. */ | |
8159 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | | |
8160 | DPLL_PORTC_READY_MASK | | |
8161 | DPLL_PORTB_READY_MASK); | |
8bcc2795 | 8162 | } |
6c49f241 | 8163 | |
70b23a98 VS |
8164 | if (IS_CHERRYVIEW(dev)) |
8165 | chv_crtc_clock_get(crtc, pipe_config); | |
8166 | else if (IS_VALLEYVIEW(dev)) | |
acbec814 JB |
8167 | vlv_crtc_clock_get(crtc, pipe_config); |
8168 | else | |
8169 | i9xx_crtc_clock_get(crtc, pipe_config); | |
18442d08 | 8170 | |
0f64614d VS |
8171 | /* |
8172 | * Normally the dotclock is filled in by the encoder .get_config() | |
8173 | * but in case the pipe is enabled w/o any ports we need a sane | |
8174 | * default. | |
8175 | */ | |
8176 | pipe_config->base.adjusted_mode.crtc_clock = | |
8177 | pipe_config->port_clock / pipe_config->pixel_multiplier; | |
8178 | ||
1729050e ID |
8179 | ret = true; |
8180 | ||
8181 | out: | |
8182 | intel_display_power_put(dev_priv, power_domain); | |
8183 | ||
8184 | return ret; | |
0e8ffe1b DV |
8185 | } |
8186 | ||
dde86e2d | 8187 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
13d83a67 JB |
8188 | { |
8189 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13d83a67 | 8190 | struct intel_encoder *encoder; |
74cfd7ac | 8191 | u32 val, final; |
13d83a67 | 8192 | bool has_lvds = false; |
199e5d79 | 8193 | bool has_cpu_edp = false; |
199e5d79 | 8194 | bool has_panel = false; |
99eb6a01 KP |
8195 | bool has_ck505 = false; |
8196 | bool can_ssc = false; | |
13d83a67 JB |
8197 | |
8198 | /* We need to take the global config into account */ | |
b2784e15 | 8199 | for_each_intel_encoder(dev, encoder) { |
199e5d79 KP |
8200 | switch (encoder->type) { |
8201 | case INTEL_OUTPUT_LVDS: | |
8202 | has_panel = true; | |
8203 | has_lvds = true; | |
8204 | break; | |
8205 | case INTEL_OUTPUT_EDP: | |
8206 | has_panel = true; | |
2de6905f | 8207 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
199e5d79 KP |
8208 | has_cpu_edp = true; |
8209 | break; | |
6847d71b PZ |
8210 | default: |
8211 | break; | |
13d83a67 JB |
8212 | } |
8213 | } | |
8214 | ||
99eb6a01 | 8215 | if (HAS_PCH_IBX(dev)) { |
41aa3448 | 8216 | has_ck505 = dev_priv->vbt.display_clock_mode; |
99eb6a01 KP |
8217 | can_ssc = has_ck505; |
8218 | } else { | |
8219 | has_ck505 = false; | |
8220 | can_ssc = true; | |
8221 | } | |
8222 | ||
2de6905f ID |
8223 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n", |
8224 | has_panel, has_lvds, has_ck505); | |
13d83a67 JB |
8225 | |
8226 | /* Ironlake: try to setup display ref clock before DPLL | |
8227 | * enabling. This is only under driver's control after | |
8228 | * PCH B stepping, previous chipset stepping should be | |
8229 | * ignoring this setting. | |
8230 | */ | |
74cfd7ac CW |
8231 | val = I915_READ(PCH_DREF_CONTROL); |
8232 | ||
8233 | /* As we must carefully and slowly disable/enable each source in turn, | |
8234 | * compute the final state we want first and check if we need to | |
8235 | * make any changes at all. | |
8236 | */ | |
8237 | final = val; | |
8238 | final &= ~DREF_NONSPREAD_SOURCE_MASK; | |
8239 | if (has_ck505) | |
8240 | final |= DREF_NONSPREAD_CK505_ENABLE; | |
8241 | else | |
8242 | final |= DREF_NONSPREAD_SOURCE_ENABLE; | |
8243 | ||
8244 | final &= ~DREF_SSC_SOURCE_MASK; | |
8245 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; | |
8246 | final &= ~DREF_SSC1_ENABLE; | |
8247 | ||
8248 | if (has_panel) { | |
8249 | final |= DREF_SSC_SOURCE_ENABLE; | |
8250 | ||
8251 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
8252 | final |= DREF_SSC1_ENABLE; | |
8253 | ||
8254 | if (has_cpu_edp) { | |
8255 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
8256 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; | |
8257 | else | |
8258 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; | |
8259 | } else | |
8260 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
8261 | } else { | |
8262 | final |= DREF_SSC_SOURCE_DISABLE; | |
8263 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
8264 | } | |
8265 | ||
8266 | if (final == val) | |
8267 | return; | |
8268 | ||
13d83a67 | 8269 | /* Always enable nonspread source */ |
74cfd7ac | 8270 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
13d83a67 | 8271 | |
99eb6a01 | 8272 | if (has_ck505) |
74cfd7ac | 8273 | val |= DREF_NONSPREAD_CK505_ENABLE; |
99eb6a01 | 8274 | else |
74cfd7ac | 8275 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
13d83a67 | 8276 | |
199e5d79 | 8277 | if (has_panel) { |
74cfd7ac CW |
8278 | val &= ~DREF_SSC_SOURCE_MASK; |
8279 | val |= DREF_SSC_SOURCE_ENABLE; | |
13d83a67 | 8280 | |
199e5d79 | 8281 | /* SSC must be turned on before enabling the CPU output */ |
99eb6a01 | 8282 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 8283 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
74cfd7ac | 8284 | val |= DREF_SSC1_ENABLE; |
e77166b5 | 8285 | } else |
74cfd7ac | 8286 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 KP |
8287 | |
8288 | /* Get SSC going before enabling the outputs */ | |
74cfd7ac | 8289 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8290 | POSTING_READ(PCH_DREF_CONTROL); |
8291 | udelay(200); | |
8292 | ||
74cfd7ac | 8293 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
13d83a67 JB |
8294 | |
8295 | /* Enable CPU source on CPU attached eDP */ | |
199e5d79 | 8296 | if (has_cpu_edp) { |
99eb6a01 | 8297 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 8298 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
74cfd7ac | 8299 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
eba905b2 | 8300 | } else |
74cfd7ac | 8301 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
199e5d79 | 8302 | } else |
74cfd7ac | 8303 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 8304 | |
74cfd7ac | 8305 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8306 | POSTING_READ(PCH_DREF_CONTROL); |
8307 | udelay(200); | |
8308 | } else { | |
8309 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); | |
8310 | ||
74cfd7ac | 8311 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
199e5d79 KP |
8312 | |
8313 | /* Turn off CPU output */ | |
74cfd7ac | 8314 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 8315 | |
74cfd7ac | 8316 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8317 | POSTING_READ(PCH_DREF_CONTROL); |
8318 | udelay(200); | |
8319 | ||
8320 | /* Turn off the SSC source */ | |
74cfd7ac CW |
8321 | val &= ~DREF_SSC_SOURCE_MASK; |
8322 | val |= DREF_SSC_SOURCE_DISABLE; | |
199e5d79 KP |
8323 | |
8324 | /* Turn off SSC1 */ | |
74cfd7ac | 8325 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 | 8326 | |
74cfd7ac | 8327 | I915_WRITE(PCH_DREF_CONTROL, val); |
13d83a67 JB |
8328 | POSTING_READ(PCH_DREF_CONTROL); |
8329 | udelay(200); | |
8330 | } | |
74cfd7ac CW |
8331 | |
8332 | BUG_ON(val != final); | |
13d83a67 JB |
8333 | } |
8334 | ||
f31f2d55 | 8335 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
dde86e2d | 8336 | { |
f31f2d55 | 8337 | uint32_t tmp; |
dde86e2d | 8338 | |
0ff066a9 PZ |
8339 | tmp = I915_READ(SOUTH_CHICKEN2); |
8340 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; | |
8341 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 8342 | |
0ff066a9 PZ |
8343 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
8344 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) | |
8345 | DRM_ERROR("FDI mPHY reset assert timeout\n"); | |
dde86e2d | 8346 | |
0ff066a9 PZ |
8347 | tmp = I915_READ(SOUTH_CHICKEN2); |
8348 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; | |
8349 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 8350 | |
0ff066a9 PZ |
8351 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
8352 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) | |
8353 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); | |
f31f2d55 PZ |
8354 | } |
8355 | ||
8356 | /* WaMPhyProgramming:hsw */ | |
8357 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) | |
8358 | { | |
8359 | uint32_t tmp; | |
dde86e2d PZ |
8360 | |
8361 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); | |
8362 | tmp &= ~(0xFF << 24); | |
8363 | tmp |= (0x12 << 24); | |
8364 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); | |
8365 | ||
dde86e2d PZ |
8366 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
8367 | tmp |= (1 << 11); | |
8368 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); | |
8369 | ||
8370 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); | |
8371 | tmp |= (1 << 11); | |
8372 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); | |
8373 | ||
dde86e2d PZ |
8374 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
8375 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
8376 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); | |
8377 | ||
8378 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); | |
8379 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
8380 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); | |
8381 | ||
0ff066a9 PZ |
8382 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
8383 | tmp &= ~(7 << 13); | |
8384 | tmp |= (5 << 13); | |
8385 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); | |
dde86e2d | 8386 | |
0ff066a9 PZ |
8387 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
8388 | tmp &= ~(7 << 13); | |
8389 | tmp |= (5 << 13); | |
8390 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); | |
dde86e2d PZ |
8391 | |
8392 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); | |
8393 | tmp &= ~0xFF; | |
8394 | tmp |= 0x1C; | |
8395 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); | |
8396 | ||
8397 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); | |
8398 | tmp &= ~0xFF; | |
8399 | tmp |= 0x1C; | |
8400 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); | |
8401 | ||
8402 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); | |
8403 | tmp &= ~(0xFF << 16); | |
8404 | tmp |= (0x1C << 16); | |
8405 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); | |
8406 | ||
8407 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); | |
8408 | tmp &= ~(0xFF << 16); | |
8409 | tmp |= (0x1C << 16); | |
8410 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); | |
8411 | ||
0ff066a9 PZ |
8412 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
8413 | tmp |= (1 << 27); | |
8414 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); | |
dde86e2d | 8415 | |
0ff066a9 PZ |
8416 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
8417 | tmp |= (1 << 27); | |
8418 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); | |
dde86e2d | 8419 | |
0ff066a9 PZ |
8420 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
8421 | tmp &= ~(0xF << 28); | |
8422 | tmp |= (4 << 28); | |
8423 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); | |
dde86e2d | 8424 | |
0ff066a9 PZ |
8425 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
8426 | tmp &= ~(0xF << 28); | |
8427 | tmp |= (4 << 28); | |
8428 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); | |
f31f2d55 PZ |
8429 | } |
8430 | ||
2fa86a1f PZ |
8431 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
8432 | * Programming" based on the parameters passed: | |
8433 | * - Sequence to enable CLKOUT_DP | |
8434 | * - Sequence to enable CLKOUT_DP without spread | |
8435 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O | |
8436 | */ | |
8437 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, | |
8438 | bool with_fdi) | |
f31f2d55 PZ |
8439 | { |
8440 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa86a1f PZ |
8441 | uint32_t reg, tmp; |
8442 | ||
8443 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) | |
8444 | with_spread = true; | |
c2699524 | 8445 | if (WARN(HAS_PCH_LPT_LP(dev) && with_fdi, "LP PCH doesn't have FDI\n")) |
2fa86a1f | 8446 | with_fdi = false; |
f31f2d55 | 8447 | |
a580516d | 8448 | mutex_lock(&dev_priv->sb_lock); |
f31f2d55 PZ |
8449 | |
8450 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8451 | tmp &= ~SBI_SSCCTL_DISABLE; | |
8452 | tmp |= SBI_SSCCTL_PATHALT; | |
8453 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8454 | ||
8455 | udelay(24); | |
8456 | ||
2fa86a1f PZ |
8457 | if (with_spread) { |
8458 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8459 | tmp &= ~SBI_SSCCTL_PATHALT; | |
8460 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
f31f2d55 | 8461 | |
2fa86a1f PZ |
8462 | if (with_fdi) { |
8463 | lpt_reset_fdi_mphy(dev_priv); | |
8464 | lpt_program_fdi_mphy(dev_priv); | |
8465 | } | |
8466 | } | |
dde86e2d | 8467 | |
c2699524 | 8468 | reg = HAS_PCH_LPT_LP(dev) ? SBI_GEN0 : SBI_DBUFF0; |
2fa86a1f PZ |
8469 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
8470 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
8471 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
c00db246 | 8472 | |
a580516d | 8473 | mutex_unlock(&dev_priv->sb_lock); |
dde86e2d PZ |
8474 | } |
8475 | ||
47701c3b PZ |
8476 | /* Sequence to disable CLKOUT_DP */ |
8477 | static void lpt_disable_clkout_dp(struct drm_device *dev) | |
8478 | { | |
8479 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8480 | uint32_t reg, tmp; | |
8481 | ||
a580516d | 8482 | mutex_lock(&dev_priv->sb_lock); |
47701c3b | 8483 | |
c2699524 | 8484 | reg = HAS_PCH_LPT_LP(dev) ? SBI_GEN0 : SBI_DBUFF0; |
47701c3b PZ |
8485 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
8486 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
8487 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
8488 | ||
8489 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8490 | if (!(tmp & SBI_SSCCTL_DISABLE)) { | |
8491 | if (!(tmp & SBI_SSCCTL_PATHALT)) { | |
8492 | tmp |= SBI_SSCCTL_PATHALT; | |
8493 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8494 | udelay(32); | |
8495 | } | |
8496 | tmp |= SBI_SSCCTL_DISABLE; | |
8497 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8498 | } | |
8499 | ||
a580516d | 8500 | mutex_unlock(&dev_priv->sb_lock); |
47701c3b PZ |
8501 | } |
8502 | ||
f7be2c21 VS |
8503 | #define BEND_IDX(steps) ((50 + (steps)) / 5) |
8504 | ||
8505 | static const uint16_t sscdivintphase[] = { | |
8506 | [BEND_IDX( 50)] = 0x3B23, | |
8507 | [BEND_IDX( 45)] = 0x3B23, | |
8508 | [BEND_IDX( 40)] = 0x3C23, | |
8509 | [BEND_IDX( 35)] = 0x3C23, | |
8510 | [BEND_IDX( 30)] = 0x3D23, | |
8511 | [BEND_IDX( 25)] = 0x3D23, | |
8512 | [BEND_IDX( 20)] = 0x3E23, | |
8513 | [BEND_IDX( 15)] = 0x3E23, | |
8514 | [BEND_IDX( 10)] = 0x3F23, | |
8515 | [BEND_IDX( 5)] = 0x3F23, | |
8516 | [BEND_IDX( 0)] = 0x0025, | |
8517 | [BEND_IDX( -5)] = 0x0025, | |
8518 | [BEND_IDX(-10)] = 0x0125, | |
8519 | [BEND_IDX(-15)] = 0x0125, | |
8520 | [BEND_IDX(-20)] = 0x0225, | |
8521 | [BEND_IDX(-25)] = 0x0225, | |
8522 | [BEND_IDX(-30)] = 0x0325, | |
8523 | [BEND_IDX(-35)] = 0x0325, | |
8524 | [BEND_IDX(-40)] = 0x0425, | |
8525 | [BEND_IDX(-45)] = 0x0425, | |
8526 | [BEND_IDX(-50)] = 0x0525, | |
8527 | }; | |
8528 | ||
8529 | /* | |
8530 | * Bend CLKOUT_DP | |
8531 | * steps -50 to 50 inclusive, in steps of 5 | |
8532 | * < 0 slow down the clock, > 0 speed up the clock, 0 == no bend (135MHz) | |
8533 | * change in clock period = -(steps / 10) * 5.787 ps | |
8534 | */ | |
8535 | static void lpt_bend_clkout_dp(struct drm_i915_private *dev_priv, int steps) | |
8536 | { | |
8537 | uint32_t tmp; | |
8538 | int idx = BEND_IDX(steps); | |
8539 | ||
8540 | if (WARN_ON(steps % 5 != 0)) | |
8541 | return; | |
8542 | ||
8543 | if (WARN_ON(idx >= ARRAY_SIZE(sscdivintphase))) | |
8544 | return; | |
8545 | ||
8546 | mutex_lock(&dev_priv->sb_lock); | |
8547 | ||
8548 | if (steps % 10 != 0) | |
8549 | tmp = 0xAAAAAAAB; | |
8550 | else | |
8551 | tmp = 0x00000000; | |
8552 | intel_sbi_write(dev_priv, SBI_SSCDITHPHASE, tmp, SBI_ICLK); | |
8553 | ||
8554 | tmp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE, SBI_ICLK); | |
8555 | tmp &= 0xffff0000; | |
8556 | tmp |= sscdivintphase[idx]; | |
8557 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE, tmp, SBI_ICLK); | |
8558 | ||
8559 | mutex_unlock(&dev_priv->sb_lock); | |
8560 | } | |
8561 | ||
8562 | #undef BEND_IDX | |
8563 | ||
bf8fa3d3 PZ |
8564 | static void lpt_init_pch_refclk(struct drm_device *dev) |
8565 | { | |
bf8fa3d3 PZ |
8566 | struct intel_encoder *encoder; |
8567 | bool has_vga = false; | |
8568 | ||
b2784e15 | 8569 | for_each_intel_encoder(dev, encoder) { |
bf8fa3d3 PZ |
8570 | switch (encoder->type) { |
8571 | case INTEL_OUTPUT_ANALOG: | |
8572 | has_vga = true; | |
8573 | break; | |
6847d71b PZ |
8574 | default: |
8575 | break; | |
bf8fa3d3 PZ |
8576 | } |
8577 | } | |
8578 | ||
f7be2c21 VS |
8579 | if (has_vga) { |
8580 | lpt_bend_clkout_dp(to_i915(dev), 0); | |
47701c3b | 8581 | lpt_enable_clkout_dp(dev, true, true); |
f7be2c21 | 8582 | } else { |
47701c3b | 8583 | lpt_disable_clkout_dp(dev); |
f7be2c21 | 8584 | } |
bf8fa3d3 PZ |
8585 | } |
8586 | ||
dde86e2d PZ |
8587 | /* |
8588 | * Initialize reference clocks when the driver loads | |
8589 | */ | |
8590 | void intel_init_pch_refclk(struct drm_device *dev) | |
8591 | { | |
8592 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
8593 | ironlake_init_pch_refclk(dev); | |
8594 | else if (HAS_PCH_LPT(dev)) | |
8595 | lpt_init_pch_refclk(dev); | |
8596 | } | |
8597 | ||
55bb9992 | 8598 | static int ironlake_get_refclk(struct intel_crtc_state *crtc_state) |
d9d444cb | 8599 | { |
55bb9992 | 8600 | struct drm_device *dev = crtc_state->base.crtc->dev; |
d9d444cb | 8601 | struct drm_i915_private *dev_priv = dev->dev_private; |
55bb9992 | 8602 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 8603 | struct drm_connector *connector; |
55bb9992 | 8604 | struct drm_connector_state *connector_state; |
d9d444cb | 8605 | struct intel_encoder *encoder; |
55bb9992 | 8606 | int num_connectors = 0, i; |
d9d444cb JB |
8607 | bool is_lvds = false; |
8608 | ||
da3ced29 | 8609 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
8610 | if (connector_state->crtc != crtc_state->base.crtc) |
8611 | continue; | |
8612 | ||
8613 | encoder = to_intel_encoder(connector_state->best_encoder); | |
8614 | ||
d9d444cb JB |
8615 | switch (encoder->type) { |
8616 | case INTEL_OUTPUT_LVDS: | |
8617 | is_lvds = true; | |
8618 | break; | |
6847d71b PZ |
8619 | default: |
8620 | break; | |
d9d444cb JB |
8621 | } |
8622 | num_connectors++; | |
8623 | } | |
8624 | ||
8625 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { | |
e91e941b | 8626 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", |
41aa3448 | 8627 | dev_priv->vbt.lvds_ssc_freq); |
e91e941b | 8628 | return dev_priv->vbt.lvds_ssc_freq; |
d9d444cb JB |
8629 | } |
8630 | ||
8631 | return 120000; | |
8632 | } | |
8633 | ||
6ff93609 | 8634 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
79e53945 | 8635 | { |
c8203565 | 8636 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
79e53945 JB |
8637 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8638 | int pipe = intel_crtc->pipe; | |
c8203565 PZ |
8639 | uint32_t val; |
8640 | ||
78114071 | 8641 | val = 0; |
c8203565 | 8642 | |
6e3c9717 | 8643 | switch (intel_crtc->config->pipe_bpp) { |
c8203565 | 8644 | case 18: |
dfd07d72 | 8645 | val |= PIPECONF_6BPC; |
c8203565 PZ |
8646 | break; |
8647 | case 24: | |
dfd07d72 | 8648 | val |= PIPECONF_8BPC; |
c8203565 PZ |
8649 | break; |
8650 | case 30: | |
dfd07d72 | 8651 | val |= PIPECONF_10BPC; |
c8203565 PZ |
8652 | break; |
8653 | case 36: | |
dfd07d72 | 8654 | val |= PIPECONF_12BPC; |
c8203565 PZ |
8655 | break; |
8656 | default: | |
cc769b62 PZ |
8657 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
8658 | BUG(); | |
c8203565 PZ |
8659 | } |
8660 | ||
6e3c9717 | 8661 | if (intel_crtc->config->dither) |
c8203565 PZ |
8662 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
8663 | ||
6e3c9717 | 8664 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
c8203565 PZ |
8665 | val |= PIPECONF_INTERLACED_ILK; |
8666 | else | |
8667 | val |= PIPECONF_PROGRESSIVE; | |
8668 | ||
6e3c9717 | 8669 | if (intel_crtc->config->limited_color_range) |
3685a8f3 | 8670 | val |= PIPECONF_COLOR_RANGE_SELECT; |
3685a8f3 | 8671 | |
c8203565 PZ |
8672 | I915_WRITE(PIPECONF(pipe), val); |
8673 | POSTING_READ(PIPECONF(pipe)); | |
8674 | } | |
8675 | ||
86d3efce VS |
8676 | /* |
8677 | * Set up the pipe CSC unit. | |
8678 | * | |
8679 | * Currently only full range RGB to limited range RGB conversion | |
8680 | * is supported, but eventually this should handle various | |
8681 | * RGB<->YCbCr scenarios as well. | |
8682 | */ | |
50f3b016 | 8683 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
86d3efce VS |
8684 | { |
8685 | struct drm_device *dev = crtc->dev; | |
8686 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8687 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8688 | int pipe = intel_crtc->pipe; | |
8689 | uint16_t coeff = 0x7800; /* 1.0 */ | |
8690 | ||
8691 | /* | |
8692 | * TODO: Check what kind of values actually come out of the pipe | |
8693 | * with these coeff/postoff values and adjust to get the best | |
8694 | * accuracy. Perhaps we even need to take the bpc value into | |
8695 | * consideration. | |
8696 | */ | |
8697 | ||
6e3c9717 | 8698 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
8699 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
8700 | ||
8701 | /* | |
8702 | * GY/GU and RY/RU should be the other way around according | |
8703 | * to BSpec, but reality doesn't agree. Just set them up in | |
8704 | * a way that results in the correct picture. | |
8705 | */ | |
8706 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); | |
8707 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); | |
8708 | ||
8709 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); | |
8710 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); | |
8711 | ||
8712 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); | |
8713 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); | |
8714 | ||
8715 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); | |
8716 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); | |
8717 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); | |
8718 | ||
8719 | if (INTEL_INFO(dev)->gen > 6) { | |
8720 | uint16_t postoff = 0; | |
8721 | ||
6e3c9717 | 8722 | if (intel_crtc->config->limited_color_range) |
32cf0cb0 | 8723 | postoff = (16 * (1 << 12) / 255) & 0x1fff; |
86d3efce VS |
8724 | |
8725 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); | |
8726 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); | |
8727 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); | |
8728 | ||
8729 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); | |
8730 | } else { | |
8731 | uint32_t mode = CSC_MODE_YUV_TO_RGB; | |
8732 | ||
6e3c9717 | 8733 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
8734 | mode |= CSC_BLACK_SCREEN_OFFSET; |
8735 | ||
8736 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); | |
8737 | } | |
8738 | } | |
8739 | ||
6ff93609 | 8740 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
ee2b0b38 | 8741 | { |
756f85cf PZ |
8742 | struct drm_device *dev = crtc->dev; |
8743 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee2b0b38 | 8744 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
756f85cf | 8745 | enum pipe pipe = intel_crtc->pipe; |
6e3c9717 | 8746 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee2b0b38 PZ |
8747 | uint32_t val; |
8748 | ||
3eff4faa | 8749 | val = 0; |
ee2b0b38 | 8750 | |
6e3c9717 | 8751 | if (IS_HASWELL(dev) && intel_crtc->config->dither) |
ee2b0b38 PZ |
8752 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
8753 | ||
6e3c9717 | 8754 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
ee2b0b38 PZ |
8755 | val |= PIPECONF_INTERLACED_ILK; |
8756 | else | |
8757 | val |= PIPECONF_PROGRESSIVE; | |
8758 | ||
702e7a56 PZ |
8759 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
8760 | POSTING_READ(PIPECONF(cpu_transcoder)); | |
3eff4faa DV |
8761 | |
8762 | I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT); | |
8763 | POSTING_READ(GAMMA_MODE(intel_crtc->pipe)); | |
756f85cf | 8764 | |
3cdf122c | 8765 | if (IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9) { |
756f85cf PZ |
8766 | val = 0; |
8767 | ||
6e3c9717 | 8768 | switch (intel_crtc->config->pipe_bpp) { |
756f85cf PZ |
8769 | case 18: |
8770 | val |= PIPEMISC_DITHER_6_BPC; | |
8771 | break; | |
8772 | case 24: | |
8773 | val |= PIPEMISC_DITHER_8_BPC; | |
8774 | break; | |
8775 | case 30: | |
8776 | val |= PIPEMISC_DITHER_10_BPC; | |
8777 | break; | |
8778 | case 36: | |
8779 | val |= PIPEMISC_DITHER_12_BPC; | |
8780 | break; | |
8781 | default: | |
8782 | /* Case prevented by pipe_config_set_bpp. */ | |
8783 | BUG(); | |
8784 | } | |
8785 | ||
6e3c9717 | 8786 | if (intel_crtc->config->dither) |
756f85cf PZ |
8787 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; |
8788 | ||
8789 | I915_WRITE(PIPEMISC(pipe), val); | |
8790 | } | |
ee2b0b38 PZ |
8791 | } |
8792 | ||
6591c6e4 | 8793 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
190f68c5 | 8794 | struct intel_crtc_state *crtc_state, |
6591c6e4 PZ |
8795 | intel_clock_t *clock, |
8796 | bool *has_reduced_clock, | |
8797 | intel_clock_t *reduced_clock) | |
8798 | { | |
8799 | struct drm_device *dev = crtc->dev; | |
8800 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6591c6e4 | 8801 | int refclk; |
d4906093 | 8802 | const intel_limit_t *limit; |
c329a4ec | 8803 | bool ret; |
79e53945 | 8804 | |
55bb9992 | 8805 | refclk = ironlake_get_refclk(crtc_state); |
79e53945 | 8806 | |
d4906093 ML |
8807 | /* |
8808 | * Returns a set of divisors for the desired target clock with the given | |
8809 | * refclk, or FALSE. The returned values represent the clock equation: | |
8810 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
8811 | */ | |
a93e255f ACO |
8812 | limit = intel_limit(crtc_state, refclk); |
8813 | ret = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 8814 | crtc_state->port_clock, |
ee9300bb | 8815 | refclk, NULL, clock); |
6591c6e4 PZ |
8816 | if (!ret) |
8817 | return false; | |
cda4b7d3 | 8818 | |
6591c6e4 PZ |
8819 | return true; |
8820 | } | |
8821 | ||
d4b1931c PZ |
8822 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
8823 | { | |
8824 | /* | |
8825 | * Account for spread spectrum to avoid | |
8826 | * oversubscribing the link. Max center spread | |
8827 | * is 2.5%; use 5% for safety's sake. | |
8828 | */ | |
8829 | u32 bps = target_clock * bpp * 21 / 20; | |
619d4d04 | 8830 | return DIV_ROUND_UP(bps, link_bw * 8); |
d4b1931c PZ |
8831 | } |
8832 | ||
7429e9d4 | 8833 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
6cf86a5e | 8834 | { |
7429e9d4 | 8835 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
f48d8f23 PZ |
8836 | } |
8837 | ||
de13a2e3 | 8838 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
190f68c5 | 8839 | struct intel_crtc_state *crtc_state, |
7429e9d4 | 8840 | u32 *fp, |
9a7c7890 | 8841 | intel_clock_t *reduced_clock, u32 *fp2) |
79e53945 | 8842 | { |
de13a2e3 | 8843 | struct drm_crtc *crtc = &intel_crtc->base; |
79e53945 JB |
8844 | struct drm_device *dev = crtc->dev; |
8845 | struct drm_i915_private *dev_priv = dev->dev_private; | |
55bb9992 | 8846 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 8847 | struct drm_connector *connector; |
55bb9992 ACO |
8848 | struct drm_connector_state *connector_state; |
8849 | struct intel_encoder *encoder; | |
de13a2e3 | 8850 | uint32_t dpll; |
55bb9992 | 8851 | int factor, num_connectors = 0, i; |
09ede541 | 8852 | bool is_lvds = false, is_sdvo = false; |
79e53945 | 8853 | |
da3ced29 | 8854 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
8855 | if (connector_state->crtc != crtc_state->base.crtc) |
8856 | continue; | |
8857 | ||
8858 | encoder = to_intel_encoder(connector_state->best_encoder); | |
8859 | ||
8860 | switch (encoder->type) { | |
79e53945 JB |
8861 | case INTEL_OUTPUT_LVDS: |
8862 | is_lvds = true; | |
8863 | break; | |
8864 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 8865 | case INTEL_OUTPUT_HDMI: |
79e53945 | 8866 | is_sdvo = true; |
79e53945 | 8867 | break; |
6847d71b PZ |
8868 | default: |
8869 | break; | |
79e53945 | 8870 | } |
43565a06 | 8871 | |
c751ce4f | 8872 | num_connectors++; |
79e53945 | 8873 | } |
79e53945 | 8874 | |
c1858123 | 8875 | /* Enable autotuning of the PLL clock (if permissible) */ |
8febb297 EA |
8876 | factor = 21; |
8877 | if (is_lvds) { | |
8878 | if ((intel_panel_use_ssc(dev_priv) && | |
e91e941b | 8879 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
f0b44056 | 8880 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
8febb297 | 8881 | factor = 25; |
190f68c5 | 8882 | } else if (crtc_state->sdvo_tv_clock) |
8febb297 | 8883 | factor = 20; |
c1858123 | 8884 | |
190f68c5 | 8885 | if (ironlake_needs_fb_cb_tune(&crtc_state->dpll, factor)) |
7d0ac5b7 | 8886 | *fp |= FP_CB_TUNE; |
2c07245f | 8887 | |
9a7c7890 DV |
8888 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
8889 | *fp2 |= FP_CB_TUNE; | |
8890 | ||
5eddb70b | 8891 | dpll = 0; |
2c07245f | 8892 | |
a07d6787 EA |
8893 | if (is_lvds) |
8894 | dpll |= DPLLB_MODE_LVDS; | |
8895 | else | |
8896 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
198a037f | 8897 | |
190f68c5 | 8898 | dpll |= (crtc_state->pixel_multiplier - 1) |
ef1b460d | 8899 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
198a037f DV |
8900 | |
8901 | if (is_sdvo) | |
4a33e48d | 8902 | dpll |= DPLL_SDVO_HIGH_SPEED; |
190f68c5 | 8903 | if (crtc_state->has_dp_encoder) |
4a33e48d | 8904 | dpll |= DPLL_SDVO_HIGH_SPEED; |
79e53945 | 8905 | |
a07d6787 | 8906 | /* compute bitmask from p1 value */ |
190f68c5 | 8907 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
a07d6787 | 8908 | /* also FPA1 */ |
190f68c5 | 8909 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
a07d6787 | 8910 | |
190f68c5 | 8911 | switch (crtc_state->dpll.p2) { |
a07d6787 EA |
8912 | case 5: |
8913 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
8914 | break; | |
8915 | case 7: | |
8916 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
8917 | break; | |
8918 | case 10: | |
8919 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
8920 | break; | |
8921 | case 14: | |
8922 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
8923 | break; | |
79e53945 JB |
8924 | } |
8925 | ||
b4c09f3b | 8926 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
43565a06 | 8927 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
79e53945 JB |
8928 | else |
8929 | dpll |= PLL_REF_INPUT_DREFCLK; | |
8930 | ||
959e16d6 | 8931 | return dpll | DPLL_VCO_ENABLE; |
de13a2e3 PZ |
8932 | } |
8933 | ||
190f68c5 ACO |
8934 | static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, |
8935 | struct intel_crtc_state *crtc_state) | |
de13a2e3 | 8936 | { |
c7653199 | 8937 | struct drm_device *dev = crtc->base.dev; |
de13a2e3 | 8938 | intel_clock_t clock, reduced_clock; |
cbbab5bd | 8939 | u32 dpll = 0, fp = 0, fp2 = 0; |
e2f12b07 | 8940 | bool ok, has_reduced_clock = false; |
8b47047b | 8941 | bool is_lvds = false; |
e2b78267 | 8942 | struct intel_shared_dpll *pll; |
de13a2e3 | 8943 | |
dd3cd74a ACO |
8944 | memset(&crtc_state->dpll_hw_state, 0, |
8945 | sizeof(crtc_state->dpll_hw_state)); | |
8946 | ||
7905df29 | 8947 | is_lvds = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS); |
79e53945 | 8948 | |
5dc5298b PZ |
8949 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
8950 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); | |
a07d6787 | 8951 | |
190f68c5 | 8952 | ok = ironlake_compute_clocks(&crtc->base, crtc_state, &clock, |
de13a2e3 | 8953 | &has_reduced_clock, &reduced_clock); |
190f68c5 | 8954 | if (!ok && !crtc_state->clock_set) { |
de13a2e3 PZ |
8955 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
8956 | return -EINVAL; | |
79e53945 | 8957 | } |
f47709a9 | 8958 | /* Compat-code for transition, will disappear. */ |
190f68c5 ACO |
8959 | if (!crtc_state->clock_set) { |
8960 | crtc_state->dpll.n = clock.n; | |
8961 | crtc_state->dpll.m1 = clock.m1; | |
8962 | crtc_state->dpll.m2 = clock.m2; | |
8963 | crtc_state->dpll.p1 = clock.p1; | |
8964 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 8965 | } |
79e53945 | 8966 | |
5dc5298b | 8967 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
190f68c5 ACO |
8968 | if (crtc_state->has_pch_encoder) { |
8969 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); | |
cbbab5bd | 8970 | if (has_reduced_clock) |
7429e9d4 | 8971 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
cbbab5bd | 8972 | |
190f68c5 | 8973 | dpll = ironlake_compute_dpll(crtc, crtc_state, |
cbbab5bd DV |
8974 | &fp, &reduced_clock, |
8975 | has_reduced_clock ? &fp2 : NULL); | |
8976 | ||
190f68c5 ACO |
8977 | crtc_state->dpll_hw_state.dpll = dpll; |
8978 | crtc_state->dpll_hw_state.fp0 = fp; | |
66e985c0 | 8979 | if (has_reduced_clock) |
190f68c5 | 8980 | crtc_state->dpll_hw_state.fp1 = fp2; |
66e985c0 | 8981 | else |
190f68c5 | 8982 | crtc_state->dpll_hw_state.fp1 = fp; |
66e985c0 | 8983 | |
daedf20a | 8984 | pll = intel_get_shared_dpll(crtc, crtc_state, NULL); |
ee7b9f93 | 8985 | if (pll == NULL) { |
84f44ce7 | 8986 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
c7653199 | 8987 | pipe_name(crtc->pipe)); |
4b645f14 JB |
8988 | return -EINVAL; |
8989 | } | |
3fb37703 | 8990 | } |
79e53945 | 8991 | |
ab585dea | 8992 | if (is_lvds && has_reduced_clock) |
c7653199 | 8993 | crtc->lowfreq_avail = true; |
bcd644e0 | 8994 | else |
c7653199 | 8995 | crtc->lowfreq_avail = false; |
e2b78267 | 8996 | |
c8f7a0db | 8997 | return 0; |
79e53945 JB |
8998 | } |
8999 | ||
eb14cb74 VS |
9000 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
9001 | struct intel_link_m_n *m_n) | |
9002 | { | |
9003 | struct drm_device *dev = crtc->base.dev; | |
9004 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9005 | enum pipe pipe = crtc->pipe; | |
9006 | ||
9007 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); | |
9008 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); | |
9009 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
9010 | & ~TU_SIZE_MASK; | |
9011 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); | |
9012 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
9013 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
9014 | } | |
9015 | ||
9016 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, | |
9017 | enum transcoder transcoder, | |
b95af8be VK |
9018 | struct intel_link_m_n *m_n, |
9019 | struct intel_link_m_n *m2_n2) | |
72419203 DV |
9020 | { |
9021 | struct drm_device *dev = crtc->base.dev; | |
9022 | struct drm_i915_private *dev_priv = dev->dev_private; | |
eb14cb74 | 9023 | enum pipe pipe = crtc->pipe; |
72419203 | 9024 | |
eb14cb74 VS |
9025 | if (INTEL_INFO(dev)->gen >= 5) { |
9026 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); | |
9027 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); | |
9028 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) | |
9029 | & ~TU_SIZE_MASK; | |
9030 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); | |
9031 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) | |
9032 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
b95af8be VK |
9033 | /* Read M2_N2 registers only for gen < 8 (M2_N2 available for |
9034 | * gen < 8) and if DRRS is supported (to make sure the | |
9035 | * registers are not unnecessarily read). | |
9036 | */ | |
9037 | if (m2_n2 && INTEL_INFO(dev)->gen < 8 && | |
6e3c9717 | 9038 | crtc->config->has_drrs) { |
b95af8be VK |
9039 | m2_n2->link_m = I915_READ(PIPE_LINK_M2(transcoder)); |
9040 | m2_n2->link_n = I915_READ(PIPE_LINK_N2(transcoder)); | |
9041 | m2_n2->gmch_m = I915_READ(PIPE_DATA_M2(transcoder)) | |
9042 | & ~TU_SIZE_MASK; | |
9043 | m2_n2->gmch_n = I915_READ(PIPE_DATA_N2(transcoder)); | |
9044 | m2_n2->tu = ((I915_READ(PIPE_DATA_M2(transcoder)) | |
9045 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
9046 | } | |
eb14cb74 VS |
9047 | } else { |
9048 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); | |
9049 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); | |
9050 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) | |
9051 | & ~TU_SIZE_MASK; | |
9052 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); | |
9053 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) | |
9054 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
9055 | } | |
9056 | } | |
9057 | ||
9058 | void intel_dp_get_m_n(struct intel_crtc *crtc, | |
5cec258b | 9059 | struct intel_crtc_state *pipe_config) |
eb14cb74 | 9060 | { |
681a8504 | 9061 | if (pipe_config->has_pch_encoder) |
eb14cb74 VS |
9062 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); |
9063 | else | |
9064 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be VK |
9065 | &pipe_config->dp_m_n, |
9066 | &pipe_config->dp_m2_n2); | |
eb14cb74 | 9067 | } |
72419203 | 9068 | |
eb14cb74 | 9069 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
5cec258b | 9070 | struct intel_crtc_state *pipe_config) |
eb14cb74 VS |
9071 | { |
9072 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be | 9073 | &pipe_config->fdi_m_n, NULL); |
72419203 DV |
9074 | } |
9075 | ||
bd2e244f | 9076 | static void skylake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 9077 | struct intel_crtc_state *pipe_config) |
bd2e244f JB |
9078 | { |
9079 | struct drm_device *dev = crtc->base.dev; | |
9080 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a1b2278e CK |
9081 | struct intel_crtc_scaler_state *scaler_state = &pipe_config->scaler_state; |
9082 | uint32_t ps_ctrl = 0; | |
9083 | int id = -1; | |
9084 | int i; | |
bd2e244f | 9085 | |
a1b2278e CK |
9086 | /* find scaler attached to this pipe */ |
9087 | for (i = 0; i < crtc->num_scalers; i++) { | |
9088 | ps_ctrl = I915_READ(SKL_PS_CTRL(crtc->pipe, i)); | |
9089 | if (ps_ctrl & PS_SCALER_EN && !(ps_ctrl & PS_PLANE_SEL_MASK)) { | |
9090 | id = i; | |
9091 | pipe_config->pch_pfit.enabled = true; | |
9092 | pipe_config->pch_pfit.pos = I915_READ(SKL_PS_WIN_POS(crtc->pipe, i)); | |
9093 | pipe_config->pch_pfit.size = I915_READ(SKL_PS_WIN_SZ(crtc->pipe, i)); | |
9094 | break; | |
9095 | } | |
9096 | } | |
bd2e244f | 9097 | |
a1b2278e CK |
9098 | scaler_state->scaler_id = id; |
9099 | if (id >= 0) { | |
9100 | scaler_state->scaler_users |= (1 << SKL_CRTC_INDEX); | |
9101 | } else { | |
9102 | scaler_state->scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
bd2e244f JB |
9103 | } |
9104 | } | |
9105 | ||
5724dbd1 DL |
9106 | static void |
9107 | skylake_get_initial_plane_config(struct intel_crtc *crtc, | |
9108 | struct intel_initial_plane_config *plane_config) | |
bc8d7dff DL |
9109 | { |
9110 | struct drm_device *dev = crtc->base.dev; | |
9111 | struct drm_i915_private *dev_priv = dev->dev_private; | |
40f46283 | 9112 | u32 val, base, offset, stride_mult, tiling; |
bc8d7dff DL |
9113 | int pipe = crtc->pipe; |
9114 | int fourcc, pixel_format; | |
6761dd31 | 9115 | unsigned int aligned_height; |
bc8d7dff | 9116 | struct drm_framebuffer *fb; |
1b842c89 | 9117 | struct intel_framebuffer *intel_fb; |
bc8d7dff | 9118 | |
d9806c9f | 9119 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 9120 | if (!intel_fb) { |
bc8d7dff DL |
9121 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
9122 | return; | |
9123 | } | |
9124 | ||
1b842c89 DL |
9125 | fb = &intel_fb->base; |
9126 | ||
bc8d7dff | 9127 | val = I915_READ(PLANE_CTL(pipe, 0)); |
42a7b088 DL |
9128 | if (!(val & PLANE_CTL_ENABLE)) |
9129 | goto error; | |
9130 | ||
bc8d7dff DL |
9131 | pixel_format = val & PLANE_CTL_FORMAT_MASK; |
9132 | fourcc = skl_format_to_fourcc(pixel_format, | |
9133 | val & PLANE_CTL_ORDER_RGBX, | |
9134 | val & PLANE_CTL_ALPHA_MASK); | |
9135 | fb->pixel_format = fourcc; | |
9136 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
9137 | ||
40f46283 DL |
9138 | tiling = val & PLANE_CTL_TILED_MASK; |
9139 | switch (tiling) { | |
9140 | case PLANE_CTL_TILED_LINEAR: | |
9141 | fb->modifier[0] = DRM_FORMAT_MOD_NONE; | |
9142 | break; | |
9143 | case PLANE_CTL_TILED_X: | |
9144 | plane_config->tiling = I915_TILING_X; | |
9145 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
9146 | break; | |
9147 | case PLANE_CTL_TILED_Y: | |
9148 | fb->modifier[0] = I915_FORMAT_MOD_Y_TILED; | |
9149 | break; | |
9150 | case PLANE_CTL_TILED_YF: | |
9151 | fb->modifier[0] = I915_FORMAT_MOD_Yf_TILED; | |
9152 | break; | |
9153 | default: | |
9154 | MISSING_CASE(tiling); | |
9155 | goto error; | |
9156 | } | |
9157 | ||
bc8d7dff DL |
9158 | base = I915_READ(PLANE_SURF(pipe, 0)) & 0xfffff000; |
9159 | plane_config->base = base; | |
9160 | ||
9161 | offset = I915_READ(PLANE_OFFSET(pipe, 0)); | |
9162 | ||
9163 | val = I915_READ(PLANE_SIZE(pipe, 0)); | |
9164 | fb->height = ((val >> 16) & 0xfff) + 1; | |
9165 | fb->width = ((val >> 0) & 0x1fff) + 1; | |
9166 | ||
9167 | val = I915_READ(PLANE_STRIDE(pipe, 0)); | |
7b49f948 | 9168 | stride_mult = intel_fb_stride_alignment(dev_priv, fb->modifier[0], |
40f46283 | 9169 | fb->pixel_format); |
bc8d7dff DL |
9170 | fb->pitches[0] = (val & 0x3ff) * stride_mult; |
9171 | ||
9172 | aligned_height = intel_fb_align_height(dev, fb->height, | |
091df6cb DV |
9173 | fb->pixel_format, |
9174 | fb->modifier[0]); | |
bc8d7dff | 9175 | |
f37b5c2b | 9176 | plane_config->size = fb->pitches[0] * aligned_height; |
bc8d7dff DL |
9177 | |
9178 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", | |
9179 | pipe_name(pipe), fb->width, fb->height, | |
9180 | fb->bits_per_pixel, base, fb->pitches[0], | |
9181 | plane_config->size); | |
9182 | ||
2d14030b | 9183 | plane_config->fb = intel_fb; |
bc8d7dff DL |
9184 | return; |
9185 | ||
9186 | error: | |
9187 | kfree(fb); | |
9188 | } | |
9189 | ||
2fa2fe9a | 9190 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 9191 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
9192 | { |
9193 | struct drm_device *dev = crtc->base.dev; | |
9194 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9195 | uint32_t tmp; | |
9196 | ||
9197 | tmp = I915_READ(PF_CTL(crtc->pipe)); | |
9198 | ||
9199 | if (tmp & PF_ENABLE) { | |
fd4daa9c | 9200 | pipe_config->pch_pfit.enabled = true; |
2fa2fe9a DV |
9201 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
9202 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); | |
cb8b2a30 DV |
9203 | |
9204 | /* We currently do not free assignements of panel fitters on | |
9205 | * ivb/hsw (since we don't use the higher upscaling modes which | |
9206 | * differentiates them) so just WARN about this case for now. */ | |
9207 | if (IS_GEN7(dev)) { | |
9208 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != | |
9209 | PF_PIPE_SEL_IVB(crtc->pipe)); | |
9210 | } | |
2fa2fe9a | 9211 | } |
79e53945 JB |
9212 | } |
9213 | ||
5724dbd1 DL |
9214 | static void |
9215 | ironlake_get_initial_plane_config(struct intel_crtc *crtc, | |
9216 | struct intel_initial_plane_config *plane_config) | |
4c6baa59 JB |
9217 | { |
9218 | struct drm_device *dev = crtc->base.dev; | |
9219 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9220 | u32 val, base, offset; | |
aeee5a49 | 9221 | int pipe = crtc->pipe; |
4c6baa59 | 9222 | int fourcc, pixel_format; |
6761dd31 | 9223 | unsigned int aligned_height; |
b113d5ee | 9224 | struct drm_framebuffer *fb; |
1b842c89 | 9225 | struct intel_framebuffer *intel_fb; |
4c6baa59 | 9226 | |
42a7b088 DL |
9227 | val = I915_READ(DSPCNTR(pipe)); |
9228 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
9229 | return; | |
9230 | ||
d9806c9f | 9231 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 9232 | if (!intel_fb) { |
4c6baa59 JB |
9233 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
9234 | return; | |
9235 | } | |
9236 | ||
1b842c89 DL |
9237 | fb = &intel_fb->base; |
9238 | ||
18c5247e DV |
9239 | if (INTEL_INFO(dev)->gen >= 4) { |
9240 | if (val & DISPPLANE_TILED) { | |
49af449b | 9241 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
9242 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
9243 | } | |
9244 | } | |
4c6baa59 JB |
9245 | |
9246 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 9247 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
9248 | fb->pixel_format = fourcc; |
9249 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
4c6baa59 | 9250 | |
aeee5a49 | 9251 | base = I915_READ(DSPSURF(pipe)) & 0xfffff000; |
4c6baa59 | 9252 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
aeee5a49 | 9253 | offset = I915_READ(DSPOFFSET(pipe)); |
4c6baa59 | 9254 | } else { |
49af449b | 9255 | if (plane_config->tiling) |
aeee5a49 | 9256 | offset = I915_READ(DSPTILEOFF(pipe)); |
4c6baa59 | 9257 | else |
aeee5a49 | 9258 | offset = I915_READ(DSPLINOFF(pipe)); |
4c6baa59 JB |
9259 | } |
9260 | plane_config->base = base; | |
9261 | ||
9262 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
9263 | fb->width = ((val >> 16) & 0xfff) + 1; |
9264 | fb->height = ((val >> 0) & 0xfff) + 1; | |
4c6baa59 JB |
9265 | |
9266 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 9267 | fb->pitches[0] = val & 0xffffffc0; |
4c6baa59 | 9268 | |
b113d5ee | 9269 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
9270 | fb->pixel_format, |
9271 | fb->modifier[0]); | |
4c6baa59 | 9272 | |
f37b5c2b | 9273 | plane_config->size = fb->pitches[0] * aligned_height; |
4c6baa59 | 9274 | |
2844a921 DL |
9275 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
9276 | pipe_name(pipe), fb->width, fb->height, | |
9277 | fb->bits_per_pixel, base, fb->pitches[0], | |
9278 | plane_config->size); | |
b113d5ee | 9279 | |
2d14030b | 9280 | plane_config->fb = intel_fb; |
4c6baa59 JB |
9281 | } |
9282 | ||
0e8ffe1b | 9283 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 9284 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
9285 | { |
9286 | struct drm_device *dev = crtc->base.dev; | |
9287 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1729050e | 9288 | enum intel_display_power_domain power_domain; |
0e8ffe1b | 9289 | uint32_t tmp; |
1729050e | 9290 | bool ret; |
0e8ffe1b | 9291 | |
1729050e ID |
9292 | power_domain = POWER_DOMAIN_PIPE(crtc->pipe); |
9293 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
930e8c9e PZ |
9294 | return false; |
9295 | ||
e143a21c | 9296 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
8106ddbd | 9297 | pipe_config->shared_dpll = NULL; |
eccb140b | 9298 | |
1729050e | 9299 | ret = false; |
0e8ffe1b DV |
9300 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
9301 | if (!(tmp & PIPECONF_ENABLE)) | |
1729050e | 9302 | goto out; |
0e8ffe1b | 9303 | |
42571aef VS |
9304 | switch (tmp & PIPECONF_BPC_MASK) { |
9305 | case PIPECONF_6BPC: | |
9306 | pipe_config->pipe_bpp = 18; | |
9307 | break; | |
9308 | case PIPECONF_8BPC: | |
9309 | pipe_config->pipe_bpp = 24; | |
9310 | break; | |
9311 | case PIPECONF_10BPC: | |
9312 | pipe_config->pipe_bpp = 30; | |
9313 | break; | |
9314 | case PIPECONF_12BPC: | |
9315 | pipe_config->pipe_bpp = 36; | |
9316 | break; | |
9317 | default: | |
9318 | break; | |
9319 | } | |
9320 | ||
b5a9fa09 DV |
9321 | if (tmp & PIPECONF_COLOR_RANGE_SELECT) |
9322 | pipe_config->limited_color_range = true; | |
9323 | ||
ab9412ba | 9324 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
66e985c0 | 9325 | struct intel_shared_dpll *pll; |
8106ddbd | 9326 | enum intel_dpll_id pll_id; |
66e985c0 | 9327 | |
88adfff1 DV |
9328 | pipe_config->has_pch_encoder = true; |
9329 | ||
627eb5a3 DV |
9330 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
9331 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
9332 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
72419203 DV |
9333 | |
9334 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
6c49f241 | 9335 | |
c0d43d62 | 9336 | if (HAS_PCH_IBX(dev_priv->dev)) { |
8106ddbd | 9337 | pll_id = (enum intel_dpll_id) crtc->pipe; |
c0d43d62 DV |
9338 | } else { |
9339 | tmp = I915_READ(PCH_DPLL_SEL); | |
9340 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) | |
8106ddbd | 9341 | pll_id = DPLL_ID_PCH_PLL_B; |
c0d43d62 | 9342 | else |
8106ddbd | 9343 | pll_id= DPLL_ID_PCH_PLL_A; |
c0d43d62 | 9344 | } |
66e985c0 | 9345 | |
8106ddbd ACO |
9346 | pipe_config->shared_dpll = |
9347 | intel_get_shared_dpll_by_id(dev_priv, pll_id); | |
9348 | pll = pipe_config->shared_dpll; | |
66e985c0 | 9349 | |
2edd6443 ACO |
9350 | WARN_ON(!pll->funcs.get_hw_state(dev_priv, pll, |
9351 | &pipe_config->dpll_hw_state)); | |
c93f54cf DV |
9352 | |
9353 | tmp = pipe_config->dpll_hw_state.dpll; | |
9354 | pipe_config->pixel_multiplier = | |
9355 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) | |
9356 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; | |
18442d08 VS |
9357 | |
9358 | ironlake_pch_clock_get(crtc, pipe_config); | |
6c49f241 DV |
9359 | } else { |
9360 | pipe_config->pixel_multiplier = 1; | |
627eb5a3 DV |
9361 | } |
9362 | ||
1bd1bd80 DV |
9363 | intel_get_pipe_timings(crtc, pipe_config); |
9364 | ||
2fa2fe9a DV |
9365 | ironlake_get_pfit_config(crtc, pipe_config); |
9366 | ||
1729050e ID |
9367 | ret = true; |
9368 | ||
9369 | out: | |
9370 | intel_display_power_put(dev_priv, power_domain); | |
9371 | ||
9372 | return ret; | |
0e8ffe1b DV |
9373 | } |
9374 | ||
be256dc7 PZ |
9375 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
9376 | { | |
9377 | struct drm_device *dev = dev_priv->dev; | |
be256dc7 | 9378 | struct intel_crtc *crtc; |
be256dc7 | 9379 | |
d3fcc808 | 9380 | for_each_intel_crtc(dev, crtc) |
e2c719b7 | 9381 | I915_STATE_WARN(crtc->active, "CRTC for pipe %c enabled\n", |
be256dc7 PZ |
9382 | pipe_name(crtc->pipe)); |
9383 | ||
e2c719b7 RC |
9384 | I915_STATE_WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); |
9385 | I915_STATE_WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL enabled\n"); | |
01403de3 VS |
9386 | I915_STATE_WARN(I915_READ(WRPLL_CTL(0)) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n"); |
9387 | I915_STATE_WARN(I915_READ(WRPLL_CTL(1)) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n"); | |
e2c719b7 RC |
9388 | I915_STATE_WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); |
9389 | I915_STATE_WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, | |
be256dc7 | 9390 | "CPU PWM1 enabled\n"); |
c5107b87 | 9391 | if (IS_HASWELL(dev)) |
e2c719b7 | 9392 | I915_STATE_WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, |
c5107b87 | 9393 | "CPU PWM2 enabled\n"); |
e2c719b7 | 9394 | I915_STATE_WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, |
be256dc7 | 9395 | "PCH PWM1 enabled\n"); |
e2c719b7 | 9396 | I915_STATE_WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |
be256dc7 | 9397 | "Utility pin enabled\n"); |
e2c719b7 | 9398 | I915_STATE_WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); |
be256dc7 | 9399 | |
9926ada1 PZ |
9400 | /* |
9401 | * In theory we can still leave IRQs enabled, as long as only the HPD | |
9402 | * interrupts remain enabled. We used to check for that, but since it's | |
9403 | * gen-specific and since we only disable LCPLL after we fully disable | |
9404 | * the interrupts, the check below should be enough. | |
9405 | */ | |
e2c719b7 | 9406 | I915_STATE_WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n"); |
be256dc7 PZ |
9407 | } |
9408 | ||
9ccd5aeb PZ |
9409 | static uint32_t hsw_read_dcomp(struct drm_i915_private *dev_priv) |
9410 | { | |
9411 | struct drm_device *dev = dev_priv->dev; | |
9412 | ||
9413 | if (IS_HASWELL(dev)) | |
9414 | return I915_READ(D_COMP_HSW); | |
9415 | else | |
9416 | return I915_READ(D_COMP_BDW); | |
9417 | } | |
9418 | ||
3c4c9b81 PZ |
9419 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
9420 | { | |
9421 | struct drm_device *dev = dev_priv->dev; | |
9422 | ||
9423 | if (IS_HASWELL(dev)) { | |
9424 | mutex_lock(&dev_priv->rps.hw_lock); | |
9425 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, | |
9426 | val)) | |
f475dadf | 9427 | DRM_ERROR("Failed to write to D_COMP\n"); |
3c4c9b81 PZ |
9428 | mutex_unlock(&dev_priv->rps.hw_lock); |
9429 | } else { | |
9ccd5aeb PZ |
9430 | I915_WRITE(D_COMP_BDW, val); |
9431 | POSTING_READ(D_COMP_BDW); | |
3c4c9b81 | 9432 | } |
be256dc7 PZ |
9433 | } |
9434 | ||
9435 | /* | |
9436 | * This function implements pieces of two sequences from BSpec: | |
9437 | * - Sequence for display software to disable LCPLL | |
9438 | * - Sequence for display software to allow package C8+ | |
9439 | * The steps implemented here are just the steps that actually touch the LCPLL | |
9440 | * register. Callers should take care of disabling all the display engine | |
9441 | * functions, doing the mode unset, fixing interrupts, etc. | |
9442 | */ | |
6ff58d53 PZ |
9443 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
9444 | bool switch_to_fclk, bool allow_power_down) | |
be256dc7 PZ |
9445 | { |
9446 | uint32_t val; | |
9447 | ||
9448 | assert_can_disable_lcpll(dev_priv); | |
9449 | ||
9450 | val = I915_READ(LCPLL_CTL); | |
9451 | ||
9452 | if (switch_to_fclk) { | |
9453 | val |= LCPLL_CD_SOURCE_FCLK; | |
9454 | I915_WRITE(LCPLL_CTL, val); | |
9455 | ||
9456 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & | |
9457 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
9458 | DRM_ERROR("Switching to FCLK failed\n"); | |
9459 | ||
9460 | val = I915_READ(LCPLL_CTL); | |
9461 | } | |
9462 | ||
9463 | val |= LCPLL_PLL_DISABLE; | |
9464 | I915_WRITE(LCPLL_CTL, val); | |
9465 | POSTING_READ(LCPLL_CTL); | |
9466 | ||
9467 | if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1)) | |
9468 | DRM_ERROR("LCPLL still locked\n"); | |
9469 | ||
9ccd5aeb | 9470 | val = hsw_read_dcomp(dev_priv); |
be256dc7 | 9471 | val |= D_COMP_COMP_DISABLE; |
3c4c9b81 | 9472 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
9473 | ndelay(100); |
9474 | ||
9ccd5aeb PZ |
9475 | if (wait_for((hsw_read_dcomp(dev_priv) & D_COMP_RCOMP_IN_PROGRESS) == 0, |
9476 | 1)) | |
be256dc7 PZ |
9477 | DRM_ERROR("D_COMP RCOMP still in progress\n"); |
9478 | ||
9479 | if (allow_power_down) { | |
9480 | val = I915_READ(LCPLL_CTL); | |
9481 | val |= LCPLL_POWER_DOWN_ALLOW; | |
9482 | I915_WRITE(LCPLL_CTL, val); | |
9483 | POSTING_READ(LCPLL_CTL); | |
9484 | } | |
9485 | } | |
9486 | ||
9487 | /* | |
9488 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL | |
9489 | * source. | |
9490 | */ | |
6ff58d53 | 9491 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
be256dc7 PZ |
9492 | { |
9493 | uint32_t val; | |
9494 | ||
9495 | val = I915_READ(LCPLL_CTL); | |
9496 | ||
9497 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | | |
9498 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) | |
9499 | return; | |
9500 | ||
a8a8bd54 PZ |
9501 | /* |
9502 | * Make sure we're not on PC8 state before disabling PC8, otherwise | |
9503 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. | |
a8a8bd54 | 9504 | */ |
59bad947 | 9505 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
215733fa | 9506 | |
be256dc7 PZ |
9507 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
9508 | val &= ~LCPLL_POWER_DOWN_ALLOW; | |
9509 | I915_WRITE(LCPLL_CTL, val); | |
35d8f2eb | 9510 | POSTING_READ(LCPLL_CTL); |
be256dc7 PZ |
9511 | } |
9512 | ||
9ccd5aeb | 9513 | val = hsw_read_dcomp(dev_priv); |
be256dc7 PZ |
9514 | val |= D_COMP_COMP_FORCE; |
9515 | val &= ~D_COMP_COMP_DISABLE; | |
3c4c9b81 | 9516 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
9517 | |
9518 | val = I915_READ(LCPLL_CTL); | |
9519 | val &= ~LCPLL_PLL_DISABLE; | |
9520 | I915_WRITE(LCPLL_CTL, val); | |
9521 | ||
9522 | if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5)) | |
9523 | DRM_ERROR("LCPLL not locked yet\n"); | |
9524 | ||
9525 | if (val & LCPLL_CD_SOURCE_FCLK) { | |
9526 | val = I915_READ(LCPLL_CTL); | |
9527 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
9528 | I915_WRITE(LCPLL_CTL, val); | |
9529 | ||
9530 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & | |
9531 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
9532 | DRM_ERROR("Switching back to LCPLL failed\n"); | |
9533 | } | |
215733fa | 9534 | |
59bad947 | 9535 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
b6283055 | 9536 | intel_update_cdclk(dev_priv->dev); |
be256dc7 PZ |
9537 | } |
9538 | ||
765dab67 PZ |
9539 | /* |
9540 | * Package states C8 and deeper are really deep PC states that can only be | |
9541 | * reached when all the devices on the system allow it, so even if the graphics | |
9542 | * device allows PC8+, it doesn't mean the system will actually get to these | |
9543 | * states. Our driver only allows PC8+ when going into runtime PM. | |
9544 | * | |
9545 | * The requirements for PC8+ are that all the outputs are disabled, the power | |
9546 | * well is disabled and most interrupts are disabled, and these are also | |
9547 | * requirements for runtime PM. When these conditions are met, we manually do | |
9548 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk | |
9549 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard | |
9550 | * hang the machine. | |
9551 | * | |
9552 | * When we really reach PC8 or deeper states (not just when we allow it) we lose | |
9553 | * the state of some registers, so when we come back from PC8+ we need to | |
9554 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't | |
9555 | * need to take care of the registers kept by RC6. Notice that this happens even | |
9556 | * if we don't put the device in PCI D3 state (which is what currently happens | |
9557 | * because of the runtime PM support). | |
9558 | * | |
9559 | * For more, read "Display Sequences for Package C8" on the hardware | |
9560 | * documentation. | |
9561 | */ | |
a14cb6fc | 9562 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
c67a470b | 9563 | { |
c67a470b PZ |
9564 | struct drm_device *dev = dev_priv->dev; |
9565 | uint32_t val; | |
9566 | ||
c67a470b PZ |
9567 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
9568 | ||
c2699524 | 9569 | if (HAS_PCH_LPT_LP(dev)) { |
c67a470b PZ |
9570 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
9571 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; | |
9572 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
9573 | } | |
9574 | ||
9575 | lpt_disable_clkout_dp(dev); | |
c67a470b PZ |
9576 | hsw_disable_lcpll(dev_priv, true, true); |
9577 | } | |
9578 | ||
a14cb6fc | 9579 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
c67a470b PZ |
9580 | { |
9581 | struct drm_device *dev = dev_priv->dev; | |
9582 | uint32_t val; | |
9583 | ||
c67a470b PZ |
9584 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
9585 | ||
9586 | hsw_restore_lcpll(dev_priv); | |
c67a470b PZ |
9587 | lpt_init_pch_refclk(dev); |
9588 | ||
c2699524 | 9589 | if (HAS_PCH_LPT_LP(dev)) { |
c67a470b PZ |
9590 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
9591 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; | |
9592 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
9593 | } | |
c67a470b PZ |
9594 | } |
9595 | ||
27c329ed | 9596 | static void broxton_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
f8437dd1 | 9597 | { |
a821fc46 | 9598 | struct drm_device *dev = old_state->dev; |
1a617b77 ML |
9599 | struct intel_atomic_state *old_intel_state = |
9600 | to_intel_atomic_state(old_state); | |
9601 | unsigned int req_cdclk = old_intel_state->dev_cdclk; | |
f8437dd1 | 9602 | |
27c329ed | 9603 | broxton_set_cdclk(dev, req_cdclk); |
f8437dd1 VK |
9604 | } |
9605 | ||
b432e5cf | 9606 | /* compute the max rate for new configuration */ |
27c329ed | 9607 | static int ilk_max_pixel_rate(struct drm_atomic_state *state) |
b432e5cf | 9608 | { |
565602d7 ML |
9609 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
9610 | struct drm_i915_private *dev_priv = state->dev->dev_private; | |
9611 | struct drm_crtc *crtc; | |
9612 | struct drm_crtc_state *cstate; | |
27c329ed | 9613 | struct intel_crtc_state *crtc_state; |
565602d7 ML |
9614 | unsigned max_pixel_rate = 0, i; |
9615 | enum pipe pipe; | |
b432e5cf | 9616 | |
565602d7 ML |
9617 | memcpy(intel_state->min_pixclk, dev_priv->min_pixclk, |
9618 | sizeof(intel_state->min_pixclk)); | |
27c329ed | 9619 | |
565602d7 ML |
9620 | for_each_crtc_in_state(state, crtc, cstate, i) { |
9621 | int pixel_rate; | |
27c329ed | 9622 | |
565602d7 ML |
9623 | crtc_state = to_intel_crtc_state(cstate); |
9624 | if (!crtc_state->base.enable) { | |
9625 | intel_state->min_pixclk[i] = 0; | |
b432e5cf | 9626 | continue; |
565602d7 | 9627 | } |
b432e5cf | 9628 | |
27c329ed | 9629 | pixel_rate = ilk_pipe_pixel_rate(crtc_state); |
b432e5cf VS |
9630 | |
9631 | /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ | |
565602d7 | 9632 | if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled) |
b432e5cf VS |
9633 | pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); |
9634 | ||
565602d7 | 9635 | intel_state->min_pixclk[i] = pixel_rate; |
b432e5cf VS |
9636 | } |
9637 | ||
565602d7 ML |
9638 | for_each_pipe(dev_priv, pipe) |
9639 | max_pixel_rate = max(intel_state->min_pixclk[pipe], max_pixel_rate); | |
9640 | ||
b432e5cf VS |
9641 | return max_pixel_rate; |
9642 | } | |
9643 | ||
9644 | static void broadwell_set_cdclk(struct drm_device *dev, int cdclk) | |
9645 | { | |
9646 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9647 | uint32_t val, data; | |
9648 | int ret; | |
9649 | ||
9650 | if (WARN((I915_READ(LCPLL_CTL) & | |
9651 | (LCPLL_PLL_DISABLE | LCPLL_PLL_LOCK | | |
9652 | LCPLL_CD_CLOCK_DISABLE | LCPLL_ROOT_CD_CLOCK_DISABLE | | |
9653 | LCPLL_CD2X_CLOCK_DISABLE | LCPLL_POWER_DOWN_ALLOW | | |
9654 | LCPLL_CD_SOURCE_FCLK)) != LCPLL_PLL_LOCK, | |
9655 | "trying to change cdclk frequency with cdclk not enabled\n")) | |
9656 | return; | |
9657 | ||
9658 | mutex_lock(&dev_priv->rps.hw_lock); | |
9659 | ret = sandybridge_pcode_write(dev_priv, | |
9660 | BDW_PCODE_DISPLAY_FREQ_CHANGE_REQ, 0x0); | |
9661 | mutex_unlock(&dev_priv->rps.hw_lock); | |
9662 | if (ret) { | |
9663 | DRM_ERROR("failed to inform pcode about cdclk change\n"); | |
9664 | return; | |
9665 | } | |
9666 | ||
9667 | val = I915_READ(LCPLL_CTL); | |
9668 | val |= LCPLL_CD_SOURCE_FCLK; | |
9669 | I915_WRITE(LCPLL_CTL, val); | |
9670 | ||
5ba00178 TU |
9671 | if (wait_for_us(I915_READ(LCPLL_CTL) & |
9672 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
b432e5cf VS |
9673 | DRM_ERROR("Switching to FCLK failed\n"); |
9674 | ||
9675 | val = I915_READ(LCPLL_CTL); | |
9676 | val &= ~LCPLL_CLK_FREQ_MASK; | |
9677 | ||
9678 | switch (cdclk) { | |
9679 | case 450000: | |
9680 | val |= LCPLL_CLK_FREQ_450; | |
9681 | data = 0; | |
9682 | break; | |
9683 | case 540000: | |
9684 | val |= LCPLL_CLK_FREQ_54O_BDW; | |
9685 | data = 1; | |
9686 | break; | |
9687 | case 337500: | |
9688 | val |= LCPLL_CLK_FREQ_337_5_BDW; | |
9689 | data = 2; | |
9690 | break; | |
9691 | case 675000: | |
9692 | val |= LCPLL_CLK_FREQ_675_BDW; | |
9693 | data = 3; | |
9694 | break; | |
9695 | default: | |
9696 | WARN(1, "invalid cdclk frequency\n"); | |
9697 | return; | |
9698 | } | |
9699 | ||
9700 | I915_WRITE(LCPLL_CTL, val); | |
9701 | ||
9702 | val = I915_READ(LCPLL_CTL); | |
9703 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
9704 | I915_WRITE(LCPLL_CTL, val); | |
9705 | ||
5ba00178 TU |
9706 | if (wait_for_us((I915_READ(LCPLL_CTL) & |
9707 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
b432e5cf VS |
9708 | DRM_ERROR("Switching back to LCPLL failed\n"); |
9709 | ||
9710 | mutex_lock(&dev_priv->rps.hw_lock); | |
9711 | sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, data); | |
9712 | mutex_unlock(&dev_priv->rps.hw_lock); | |
9713 | ||
9714 | intel_update_cdclk(dev); | |
9715 | ||
9716 | WARN(cdclk != dev_priv->cdclk_freq, | |
9717 | "cdclk requested %d kHz but got %d kHz\n", | |
9718 | cdclk, dev_priv->cdclk_freq); | |
9719 | } | |
9720 | ||
27c329ed | 9721 | static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state) |
b432e5cf | 9722 | { |
27c329ed | 9723 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
1a617b77 | 9724 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
27c329ed | 9725 | int max_pixclk = ilk_max_pixel_rate(state); |
b432e5cf VS |
9726 | int cdclk; |
9727 | ||
9728 | /* | |
9729 | * FIXME should also account for plane ratio | |
9730 | * once 64bpp pixel formats are supported. | |
9731 | */ | |
27c329ed | 9732 | if (max_pixclk > 540000) |
b432e5cf | 9733 | cdclk = 675000; |
27c329ed | 9734 | else if (max_pixclk > 450000) |
b432e5cf | 9735 | cdclk = 540000; |
27c329ed | 9736 | else if (max_pixclk > 337500) |
b432e5cf VS |
9737 | cdclk = 450000; |
9738 | else | |
9739 | cdclk = 337500; | |
9740 | ||
b432e5cf | 9741 | if (cdclk > dev_priv->max_cdclk_freq) { |
63ba534e ML |
9742 | DRM_DEBUG_KMS("requested cdclk (%d kHz) exceeds max (%d kHz)\n", |
9743 | cdclk, dev_priv->max_cdclk_freq); | |
9744 | return -EINVAL; | |
b432e5cf VS |
9745 | } |
9746 | ||
1a617b77 ML |
9747 | intel_state->cdclk = intel_state->dev_cdclk = cdclk; |
9748 | if (!intel_state->active_crtcs) | |
9749 | intel_state->dev_cdclk = 337500; | |
b432e5cf VS |
9750 | |
9751 | return 0; | |
9752 | } | |
9753 | ||
27c329ed | 9754 | static void broadwell_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
b432e5cf | 9755 | { |
27c329ed | 9756 | struct drm_device *dev = old_state->dev; |
1a617b77 ML |
9757 | struct intel_atomic_state *old_intel_state = |
9758 | to_intel_atomic_state(old_state); | |
9759 | unsigned req_cdclk = old_intel_state->dev_cdclk; | |
b432e5cf | 9760 | |
27c329ed | 9761 | broadwell_set_cdclk(dev, req_cdclk); |
b432e5cf VS |
9762 | } |
9763 | ||
190f68c5 ACO |
9764 | static int haswell_crtc_compute_clock(struct intel_crtc *crtc, |
9765 | struct intel_crtc_state *crtc_state) | |
09b4ddf9 | 9766 | { |
af3997b5 MK |
9767 | struct intel_encoder *intel_encoder = |
9768 | intel_ddi_get_crtc_new_encoder(crtc_state); | |
9769 | ||
9770 | if (intel_encoder->type != INTEL_OUTPUT_DSI) { | |
9771 | if (!intel_ddi_pll_select(crtc, crtc_state)) | |
9772 | return -EINVAL; | |
9773 | } | |
716c2e55 | 9774 | |
c7653199 | 9775 | crtc->lowfreq_avail = false; |
644cef34 | 9776 | |
c8f7a0db | 9777 | return 0; |
79e53945 JB |
9778 | } |
9779 | ||
3760b59c S |
9780 | static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv, |
9781 | enum port port, | |
9782 | struct intel_crtc_state *pipe_config) | |
9783 | { | |
8106ddbd ACO |
9784 | enum intel_dpll_id id; |
9785 | ||
3760b59c S |
9786 | switch (port) { |
9787 | case PORT_A: | |
9788 | pipe_config->ddi_pll_sel = SKL_DPLL0; | |
08250c4b | 9789 | id = DPLL_ID_SKL_DPLL0; |
3760b59c S |
9790 | break; |
9791 | case PORT_B: | |
9792 | pipe_config->ddi_pll_sel = SKL_DPLL1; | |
08250c4b | 9793 | id = DPLL_ID_SKL_DPLL1; |
3760b59c S |
9794 | break; |
9795 | case PORT_C: | |
9796 | pipe_config->ddi_pll_sel = SKL_DPLL2; | |
08250c4b | 9797 | id = DPLL_ID_SKL_DPLL2; |
3760b59c S |
9798 | break; |
9799 | default: | |
9800 | DRM_ERROR("Incorrect port type\n"); | |
8106ddbd | 9801 | return; |
3760b59c | 9802 | } |
8106ddbd ACO |
9803 | |
9804 | pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id); | |
3760b59c S |
9805 | } |
9806 | ||
96b7dfb7 S |
9807 | static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv, |
9808 | enum port port, | |
5cec258b | 9809 | struct intel_crtc_state *pipe_config) |
96b7dfb7 | 9810 | { |
8106ddbd | 9811 | enum intel_dpll_id id; |
a3c988ea | 9812 | u32 temp; |
96b7dfb7 S |
9813 | |
9814 | temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port); | |
9815 | pipe_config->ddi_pll_sel = temp >> (port * 3 + 1); | |
9816 | ||
9817 | switch (pipe_config->ddi_pll_sel) { | |
3148ade7 | 9818 | case SKL_DPLL0: |
a3c988ea ACO |
9819 | id = DPLL_ID_SKL_DPLL0; |
9820 | break; | |
96b7dfb7 | 9821 | case SKL_DPLL1: |
8106ddbd | 9822 | id = DPLL_ID_SKL_DPLL1; |
96b7dfb7 S |
9823 | break; |
9824 | case SKL_DPLL2: | |
8106ddbd | 9825 | id = DPLL_ID_SKL_DPLL2; |
96b7dfb7 S |
9826 | break; |
9827 | case SKL_DPLL3: | |
8106ddbd | 9828 | id = DPLL_ID_SKL_DPLL3; |
96b7dfb7 | 9829 | break; |
8106ddbd ACO |
9830 | default: |
9831 | MISSING_CASE(pipe_config->ddi_pll_sel); | |
9832 | return; | |
96b7dfb7 | 9833 | } |
8106ddbd ACO |
9834 | |
9835 | pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id); | |
96b7dfb7 S |
9836 | } |
9837 | ||
7d2c8175 DL |
9838 | static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv, |
9839 | enum port port, | |
5cec258b | 9840 | struct intel_crtc_state *pipe_config) |
7d2c8175 | 9841 | { |
8106ddbd ACO |
9842 | enum intel_dpll_id id; |
9843 | ||
7d2c8175 DL |
9844 | pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port)); |
9845 | ||
9846 | switch (pipe_config->ddi_pll_sel) { | |
9847 | case PORT_CLK_SEL_WRPLL1: | |
8106ddbd | 9848 | id = DPLL_ID_WRPLL1; |
7d2c8175 DL |
9849 | break; |
9850 | case PORT_CLK_SEL_WRPLL2: | |
8106ddbd | 9851 | id = DPLL_ID_WRPLL2; |
7d2c8175 | 9852 | break; |
00490c22 | 9853 | case PORT_CLK_SEL_SPLL: |
8106ddbd | 9854 | id = DPLL_ID_SPLL; |
79bd23da | 9855 | break; |
9d16da65 ACO |
9856 | case PORT_CLK_SEL_LCPLL_810: |
9857 | id = DPLL_ID_LCPLL_810; | |
9858 | break; | |
9859 | case PORT_CLK_SEL_LCPLL_1350: | |
9860 | id = DPLL_ID_LCPLL_1350; | |
9861 | break; | |
9862 | case PORT_CLK_SEL_LCPLL_2700: | |
9863 | id = DPLL_ID_LCPLL_2700; | |
9864 | break; | |
8106ddbd ACO |
9865 | default: |
9866 | MISSING_CASE(pipe_config->ddi_pll_sel); | |
9867 | /* fall through */ | |
9868 | case PORT_CLK_SEL_NONE: | |
8106ddbd | 9869 | return; |
7d2c8175 | 9870 | } |
8106ddbd ACO |
9871 | |
9872 | pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id); | |
7d2c8175 DL |
9873 | } |
9874 | ||
26804afd | 9875 | static void haswell_get_ddi_port_state(struct intel_crtc *crtc, |
5cec258b | 9876 | struct intel_crtc_state *pipe_config) |
26804afd DV |
9877 | { |
9878 | struct drm_device *dev = crtc->base.dev; | |
9879 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d452c5b6 | 9880 | struct intel_shared_dpll *pll; |
26804afd DV |
9881 | enum port port; |
9882 | uint32_t tmp; | |
9883 | ||
9884 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); | |
9885 | ||
9886 | port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; | |
9887 | ||
ef11bdb3 | 9888 | if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) |
96b7dfb7 | 9889 | skylake_get_ddi_pll(dev_priv, port, pipe_config); |
3760b59c S |
9890 | else if (IS_BROXTON(dev)) |
9891 | bxt_get_ddi_pll(dev_priv, port, pipe_config); | |
96b7dfb7 S |
9892 | else |
9893 | haswell_get_ddi_pll(dev_priv, port, pipe_config); | |
9cd86933 | 9894 | |
8106ddbd ACO |
9895 | pll = pipe_config->shared_dpll; |
9896 | if (pll) { | |
2edd6443 ACO |
9897 | WARN_ON(!pll->funcs.get_hw_state(dev_priv, pll, |
9898 | &pipe_config->dpll_hw_state)); | |
d452c5b6 DV |
9899 | } |
9900 | ||
26804afd DV |
9901 | /* |
9902 | * Haswell has only FDI/PCH transcoder A. It is which is connected to | |
9903 | * DDI E. So just check whether this pipe is wired to DDI E and whether | |
9904 | * the PCH transcoder is on. | |
9905 | */ | |
ca370455 DL |
9906 | if (INTEL_INFO(dev)->gen < 9 && |
9907 | (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { | |
26804afd DV |
9908 | pipe_config->has_pch_encoder = true; |
9909 | ||
9910 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); | |
9911 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
9912 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
9913 | ||
9914 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
9915 | } | |
9916 | } | |
9917 | ||
0e8ffe1b | 9918 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 9919 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
9920 | { |
9921 | struct drm_device *dev = crtc->base.dev; | |
9922 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1729050e ID |
9923 | enum intel_display_power_domain power_domain; |
9924 | unsigned long power_domain_mask; | |
0e8ffe1b | 9925 | uint32_t tmp; |
1729050e | 9926 | bool ret; |
0e8ffe1b | 9927 | |
1729050e ID |
9928 | power_domain = POWER_DOMAIN_PIPE(crtc->pipe); |
9929 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
b5482bd0 | 9930 | return false; |
1729050e ID |
9931 | power_domain_mask = BIT(power_domain); |
9932 | ||
9933 | ret = false; | |
b5482bd0 | 9934 | |
e143a21c | 9935 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
8106ddbd | 9936 | pipe_config->shared_dpll = NULL; |
c0d43d62 | 9937 | |
eccb140b DV |
9938 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
9939 | if (tmp & TRANS_DDI_FUNC_ENABLE) { | |
9940 | enum pipe trans_edp_pipe; | |
9941 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { | |
9942 | default: | |
9943 | WARN(1, "unknown pipe linked to edp transcoder\n"); | |
9944 | case TRANS_DDI_EDP_INPUT_A_ONOFF: | |
9945 | case TRANS_DDI_EDP_INPUT_A_ON: | |
9946 | trans_edp_pipe = PIPE_A; | |
9947 | break; | |
9948 | case TRANS_DDI_EDP_INPUT_B_ONOFF: | |
9949 | trans_edp_pipe = PIPE_B; | |
9950 | break; | |
9951 | case TRANS_DDI_EDP_INPUT_C_ONOFF: | |
9952 | trans_edp_pipe = PIPE_C; | |
9953 | break; | |
9954 | } | |
9955 | ||
9956 | if (trans_edp_pipe == crtc->pipe) | |
9957 | pipe_config->cpu_transcoder = TRANSCODER_EDP; | |
9958 | } | |
9959 | ||
1729050e ID |
9960 | power_domain = POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder); |
9961 | if (!intel_display_power_get_if_enabled(dev_priv, power_domain)) | |
9962 | goto out; | |
9963 | power_domain_mask |= BIT(power_domain); | |
2bfce950 | 9964 | |
eccb140b | 9965 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); |
0e8ffe1b | 9966 | if (!(tmp & PIPECONF_ENABLE)) |
1729050e | 9967 | goto out; |
0e8ffe1b | 9968 | |
26804afd | 9969 | haswell_get_ddi_port_state(crtc, pipe_config); |
627eb5a3 | 9970 | |
1bd1bd80 DV |
9971 | intel_get_pipe_timings(crtc, pipe_config); |
9972 | ||
a1b2278e CK |
9973 | if (INTEL_INFO(dev)->gen >= 9) { |
9974 | skl_init_scalers(dev, crtc, pipe_config); | |
9975 | } | |
9976 | ||
af99ceda CK |
9977 | if (INTEL_INFO(dev)->gen >= 9) { |
9978 | pipe_config->scaler_state.scaler_id = -1; | |
9979 | pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
9980 | } | |
9981 | ||
1729050e ID |
9982 | power_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
9983 | if (intel_display_power_get_if_enabled(dev_priv, power_domain)) { | |
9984 | power_domain_mask |= BIT(power_domain); | |
1c132b44 | 9985 | if (INTEL_INFO(dev)->gen >= 9) |
bd2e244f | 9986 | skylake_get_pfit_config(crtc, pipe_config); |
ff6d9f55 | 9987 | else |
1c132b44 | 9988 | ironlake_get_pfit_config(crtc, pipe_config); |
bd2e244f | 9989 | } |
88adfff1 | 9990 | |
e59150dc JB |
9991 | if (IS_HASWELL(dev)) |
9992 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && | |
9993 | (I915_READ(IPS_CTL) & IPS_ENABLE); | |
42db64ef | 9994 | |
ebb69c95 CT |
9995 | if (pipe_config->cpu_transcoder != TRANSCODER_EDP) { |
9996 | pipe_config->pixel_multiplier = | |
9997 | I915_READ(PIPE_MULT(pipe_config->cpu_transcoder)) + 1; | |
9998 | } else { | |
9999 | pipe_config->pixel_multiplier = 1; | |
10000 | } | |
6c49f241 | 10001 | |
1729050e ID |
10002 | ret = true; |
10003 | ||
10004 | out: | |
10005 | for_each_power_domain(power_domain, power_domain_mask) | |
10006 | intel_display_power_put(dev_priv, power_domain); | |
10007 | ||
10008 | return ret; | |
0e8ffe1b DV |
10009 | } |
10010 | ||
55a08b3f ML |
10011 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base, |
10012 | const struct intel_plane_state *plane_state) | |
560b85bb CW |
10013 | { |
10014 | struct drm_device *dev = crtc->dev; | |
10015 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10016 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
dc41c154 | 10017 | uint32_t cntl = 0, size = 0; |
560b85bb | 10018 | |
55a08b3f ML |
10019 | if (plane_state && plane_state->visible) { |
10020 | unsigned int width = plane_state->base.crtc_w; | |
10021 | unsigned int height = plane_state->base.crtc_h; | |
dc41c154 VS |
10022 | unsigned int stride = roundup_pow_of_two(width) * 4; |
10023 | ||
10024 | switch (stride) { | |
10025 | default: | |
10026 | WARN_ONCE(1, "Invalid cursor width/stride, width=%u, stride=%u\n", | |
10027 | width, stride); | |
10028 | stride = 256; | |
10029 | /* fallthrough */ | |
10030 | case 256: | |
10031 | case 512: | |
10032 | case 1024: | |
10033 | case 2048: | |
10034 | break; | |
4b0e333e CW |
10035 | } |
10036 | ||
dc41c154 VS |
10037 | cntl |= CURSOR_ENABLE | |
10038 | CURSOR_GAMMA_ENABLE | | |
10039 | CURSOR_FORMAT_ARGB | | |
10040 | CURSOR_STRIDE(stride); | |
10041 | ||
10042 | size = (height << 12) | width; | |
4b0e333e | 10043 | } |
560b85bb | 10044 | |
dc41c154 VS |
10045 | if (intel_crtc->cursor_cntl != 0 && |
10046 | (intel_crtc->cursor_base != base || | |
10047 | intel_crtc->cursor_size != size || | |
10048 | intel_crtc->cursor_cntl != cntl)) { | |
10049 | /* On these chipsets we can only modify the base/size/stride | |
10050 | * whilst the cursor is disabled. | |
10051 | */ | |
0b87c24e VS |
10052 | I915_WRITE(CURCNTR(PIPE_A), 0); |
10053 | POSTING_READ(CURCNTR(PIPE_A)); | |
dc41c154 | 10054 | intel_crtc->cursor_cntl = 0; |
4b0e333e | 10055 | } |
560b85bb | 10056 | |
99d1f387 | 10057 | if (intel_crtc->cursor_base != base) { |
0b87c24e | 10058 | I915_WRITE(CURBASE(PIPE_A), base); |
99d1f387 VS |
10059 | intel_crtc->cursor_base = base; |
10060 | } | |
4726e0b0 | 10061 | |
dc41c154 VS |
10062 | if (intel_crtc->cursor_size != size) { |
10063 | I915_WRITE(CURSIZE, size); | |
10064 | intel_crtc->cursor_size = size; | |
4b0e333e | 10065 | } |
560b85bb | 10066 | |
4b0e333e | 10067 | if (intel_crtc->cursor_cntl != cntl) { |
0b87c24e VS |
10068 | I915_WRITE(CURCNTR(PIPE_A), cntl); |
10069 | POSTING_READ(CURCNTR(PIPE_A)); | |
4b0e333e | 10070 | intel_crtc->cursor_cntl = cntl; |
560b85bb | 10071 | } |
560b85bb CW |
10072 | } |
10073 | ||
55a08b3f ML |
10074 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base, |
10075 | const struct intel_plane_state *plane_state) | |
65a21cd6 JB |
10076 | { |
10077 | struct drm_device *dev = crtc->dev; | |
10078 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10079 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10080 | int pipe = intel_crtc->pipe; | |
663f3122 | 10081 | uint32_t cntl = 0; |
4b0e333e | 10082 | |
55a08b3f | 10083 | if (plane_state && plane_state->visible) { |
4b0e333e | 10084 | cntl = MCURSOR_GAMMA_ENABLE; |
55a08b3f | 10085 | switch (plane_state->base.crtc_w) { |
4726e0b0 SK |
10086 | case 64: |
10087 | cntl |= CURSOR_MODE_64_ARGB_AX; | |
10088 | break; | |
10089 | case 128: | |
10090 | cntl |= CURSOR_MODE_128_ARGB_AX; | |
10091 | break; | |
10092 | case 256: | |
10093 | cntl |= CURSOR_MODE_256_ARGB_AX; | |
10094 | break; | |
10095 | default: | |
55a08b3f | 10096 | MISSING_CASE(plane_state->base.crtc_w); |
4726e0b0 | 10097 | return; |
65a21cd6 | 10098 | } |
4b0e333e | 10099 | cntl |= pipe << 28; /* Connect to correct pipe */ |
47bf17a7 | 10100 | |
fc6f93bc | 10101 | if (HAS_DDI(dev)) |
47bf17a7 | 10102 | cntl |= CURSOR_PIPE_CSC_ENABLE; |
65a21cd6 | 10103 | |
55a08b3f ML |
10104 | if (plane_state->base.rotation == BIT(DRM_ROTATE_180)) |
10105 | cntl |= CURSOR_ROTATE_180; | |
10106 | } | |
4398ad45 | 10107 | |
4b0e333e CW |
10108 | if (intel_crtc->cursor_cntl != cntl) { |
10109 | I915_WRITE(CURCNTR(pipe), cntl); | |
10110 | POSTING_READ(CURCNTR(pipe)); | |
10111 | intel_crtc->cursor_cntl = cntl; | |
65a21cd6 | 10112 | } |
4b0e333e | 10113 | |
65a21cd6 | 10114 | /* and commit changes on next vblank */ |
5efb3e28 VS |
10115 | I915_WRITE(CURBASE(pipe), base); |
10116 | POSTING_READ(CURBASE(pipe)); | |
99d1f387 VS |
10117 | |
10118 | intel_crtc->cursor_base = base; | |
65a21cd6 JB |
10119 | } |
10120 | ||
cda4b7d3 | 10121 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
6b383a7f | 10122 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
55a08b3f | 10123 | const struct intel_plane_state *plane_state) |
cda4b7d3 CW |
10124 | { |
10125 | struct drm_device *dev = crtc->dev; | |
10126 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10127 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10128 | int pipe = intel_crtc->pipe; | |
55a08b3f ML |
10129 | u32 base = intel_crtc->cursor_addr; |
10130 | u32 pos = 0; | |
cda4b7d3 | 10131 | |
55a08b3f ML |
10132 | if (plane_state) { |
10133 | int x = plane_state->base.crtc_x; | |
10134 | int y = plane_state->base.crtc_y; | |
cda4b7d3 | 10135 | |
55a08b3f ML |
10136 | if (x < 0) { |
10137 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; | |
10138 | x = -x; | |
10139 | } | |
10140 | pos |= x << CURSOR_X_SHIFT; | |
cda4b7d3 | 10141 | |
55a08b3f ML |
10142 | if (y < 0) { |
10143 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; | |
10144 | y = -y; | |
10145 | } | |
10146 | pos |= y << CURSOR_Y_SHIFT; | |
10147 | ||
10148 | /* ILK+ do this automagically */ | |
10149 | if (HAS_GMCH_DISPLAY(dev) && | |
10150 | plane_state->base.rotation == BIT(DRM_ROTATE_180)) { | |
10151 | base += (plane_state->base.crtc_h * | |
10152 | plane_state->base.crtc_w - 1) * 4; | |
10153 | } | |
cda4b7d3 | 10154 | } |
cda4b7d3 | 10155 | |
5efb3e28 VS |
10156 | I915_WRITE(CURPOS(pipe), pos); |
10157 | ||
8ac54669 | 10158 | if (IS_845G(dev) || IS_I865G(dev)) |
55a08b3f | 10159 | i845_update_cursor(crtc, base, plane_state); |
5efb3e28 | 10160 | else |
55a08b3f | 10161 | i9xx_update_cursor(crtc, base, plane_state); |
cda4b7d3 CW |
10162 | } |
10163 | ||
dc41c154 VS |
10164 | static bool cursor_size_ok(struct drm_device *dev, |
10165 | uint32_t width, uint32_t height) | |
10166 | { | |
10167 | if (width == 0 || height == 0) | |
10168 | return false; | |
10169 | ||
10170 | /* | |
10171 | * 845g/865g are special in that they are only limited by | |
10172 | * the width of their cursors, the height is arbitrary up to | |
10173 | * the precision of the register. Everything else requires | |
10174 | * square cursors, limited to a few power-of-two sizes. | |
10175 | */ | |
10176 | if (IS_845G(dev) || IS_I865G(dev)) { | |
10177 | if ((width & 63) != 0) | |
10178 | return false; | |
10179 | ||
10180 | if (width > (IS_845G(dev) ? 64 : 512)) | |
10181 | return false; | |
10182 | ||
10183 | if (height > 1023) | |
10184 | return false; | |
10185 | } else { | |
10186 | switch (width | height) { | |
10187 | case 256: | |
10188 | case 128: | |
10189 | if (IS_GEN2(dev)) | |
10190 | return false; | |
10191 | case 64: | |
10192 | break; | |
10193 | default: | |
10194 | return false; | |
10195 | } | |
10196 | } | |
10197 | ||
10198 | return true; | |
10199 | } | |
10200 | ||
79e53945 | 10201 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
7203425a | 10202 | u16 *blue, uint32_t start, uint32_t size) |
79e53945 | 10203 | { |
7203425a | 10204 | int end = (start + size > 256) ? 256 : start + size, i; |
79e53945 | 10205 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 10206 | |
7203425a | 10207 | for (i = start; i < end; i++) { |
79e53945 JB |
10208 | intel_crtc->lut_r[i] = red[i] >> 8; |
10209 | intel_crtc->lut_g[i] = green[i] >> 8; | |
10210 | intel_crtc->lut_b[i] = blue[i] >> 8; | |
10211 | } | |
10212 | ||
10213 | intel_crtc_load_lut(crtc); | |
10214 | } | |
10215 | ||
79e53945 JB |
10216 | /* VESA 640x480x72Hz mode to set on the pipe */ |
10217 | static struct drm_display_mode load_detect_mode = { | |
10218 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
10219 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
10220 | }; | |
10221 | ||
a8bb6818 DV |
10222 | struct drm_framebuffer * |
10223 | __intel_framebuffer_create(struct drm_device *dev, | |
10224 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10225 | struct drm_i915_gem_object *obj) | |
d2dff872 CW |
10226 | { |
10227 | struct intel_framebuffer *intel_fb; | |
10228 | int ret; | |
10229 | ||
10230 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
dcb1394e | 10231 | if (!intel_fb) |
d2dff872 | 10232 | return ERR_PTR(-ENOMEM); |
d2dff872 CW |
10233 | |
10234 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); | |
dd4916c5 DV |
10235 | if (ret) |
10236 | goto err; | |
d2dff872 CW |
10237 | |
10238 | return &intel_fb->base; | |
dcb1394e | 10239 | |
dd4916c5 | 10240 | err: |
dd4916c5 | 10241 | kfree(intel_fb); |
dd4916c5 | 10242 | return ERR_PTR(ret); |
d2dff872 CW |
10243 | } |
10244 | ||
b5ea642a | 10245 | static struct drm_framebuffer * |
a8bb6818 DV |
10246 | intel_framebuffer_create(struct drm_device *dev, |
10247 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10248 | struct drm_i915_gem_object *obj) | |
10249 | { | |
10250 | struct drm_framebuffer *fb; | |
10251 | int ret; | |
10252 | ||
10253 | ret = i915_mutex_lock_interruptible(dev); | |
10254 | if (ret) | |
10255 | return ERR_PTR(ret); | |
10256 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); | |
10257 | mutex_unlock(&dev->struct_mutex); | |
10258 | ||
10259 | return fb; | |
10260 | } | |
10261 | ||
d2dff872 CW |
10262 | static u32 |
10263 | intel_framebuffer_pitch_for_width(int width, int bpp) | |
10264 | { | |
10265 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); | |
10266 | return ALIGN(pitch, 64); | |
10267 | } | |
10268 | ||
10269 | static u32 | |
10270 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) | |
10271 | { | |
10272 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); | |
1267a26b | 10273 | return PAGE_ALIGN(pitch * mode->vdisplay); |
d2dff872 CW |
10274 | } |
10275 | ||
10276 | static struct drm_framebuffer * | |
10277 | intel_framebuffer_create_for_mode(struct drm_device *dev, | |
10278 | struct drm_display_mode *mode, | |
10279 | int depth, int bpp) | |
10280 | { | |
dcb1394e | 10281 | struct drm_framebuffer *fb; |
d2dff872 | 10282 | struct drm_i915_gem_object *obj; |
0fed39bd | 10283 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
d2dff872 CW |
10284 | |
10285 | obj = i915_gem_alloc_object(dev, | |
10286 | intel_framebuffer_size_for_mode(mode, bpp)); | |
10287 | if (obj == NULL) | |
10288 | return ERR_PTR(-ENOMEM); | |
10289 | ||
10290 | mode_cmd.width = mode->hdisplay; | |
10291 | mode_cmd.height = mode->vdisplay; | |
308e5bcb JB |
10292 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
10293 | bpp); | |
5ca0c34a | 10294 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
d2dff872 | 10295 | |
dcb1394e LW |
10296 | fb = intel_framebuffer_create(dev, &mode_cmd, obj); |
10297 | if (IS_ERR(fb)) | |
10298 | drm_gem_object_unreference_unlocked(&obj->base); | |
10299 | ||
10300 | return fb; | |
d2dff872 CW |
10301 | } |
10302 | ||
10303 | static struct drm_framebuffer * | |
10304 | mode_fits_in_fbdev(struct drm_device *dev, | |
10305 | struct drm_display_mode *mode) | |
10306 | { | |
0695726e | 10307 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
d2dff872 CW |
10308 | struct drm_i915_private *dev_priv = dev->dev_private; |
10309 | struct drm_i915_gem_object *obj; | |
10310 | struct drm_framebuffer *fb; | |
10311 | ||
4c0e5528 | 10312 | if (!dev_priv->fbdev) |
d2dff872 CW |
10313 | return NULL; |
10314 | ||
4c0e5528 | 10315 | if (!dev_priv->fbdev->fb) |
d2dff872 CW |
10316 | return NULL; |
10317 | ||
4c0e5528 DV |
10318 | obj = dev_priv->fbdev->fb->obj; |
10319 | BUG_ON(!obj); | |
10320 | ||
8bcd4553 | 10321 | fb = &dev_priv->fbdev->fb->base; |
01f2c773 VS |
10322 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
10323 | fb->bits_per_pixel)) | |
d2dff872 CW |
10324 | return NULL; |
10325 | ||
01f2c773 | 10326 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
d2dff872 CW |
10327 | return NULL; |
10328 | ||
edde3617 | 10329 | drm_framebuffer_reference(fb); |
d2dff872 | 10330 | return fb; |
4520f53a DV |
10331 | #else |
10332 | return NULL; | |
10333 | #endif | |
d2dff872 CW |
10334 | } |
10335 | ||
d3a40d1b ACO |
10336 | static int intel_modeset_setup_plane_state(struct drm_atomic_state *state, |
10337 | struct drm_crtc *crtc, | |
10338 | struct drm_display_mode *mode, | |
10339 | struct drm_framebuffer *fb, | |
10340 | int x, int y) | |
10341 | { | |
10342 | struct drm_plane_state *plane_state; | |
10343 | int hdisplay, vdisplay; | |
10344 | int ret; | |
10345 | ||
10346 | plane_state = drm_atomic_get_plane_state(state, crtc->primary); | |
10347 | if (IS_ERR(plane_state)) | |
10348 | return PTR_ERR(plane_state); | |
10349 | ||
10350 | if (mode) | |
10351 | drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); | |
10352 | else | |
10353 | hdisplay = vdisplay = 0; | |
10354 | ||
10355 | ret = drm_atomic_set_crtc_for_plane(plane_state, fb ? crtc : NULL); | |
10356 | if (ret) | |
10357 | return ret; | |
10358 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
10359 | plane_state->crtc_x = 0; | |
10360 | plane_state->crtc_y = 0; | |
10361 | plane_state->crtc_w = hdisplay; | |
10362 | plane_state->crtc_h = vdisplay; | |
10363 | plane_state->src_x = x << 16; | |
10364 | plane_state->src_y = y << 16; | |
10365 | plane_state->src_w = hdisplay << 16; | |
10366 | plane_state->src_h = vdisplay << 16; | |
10367 | ||
10368 | return 0; | |
10369 | } | |
10370 | ||
d2434ab7 | 10371 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
7173188d | 10372 | struct drm_display_mode *mode, |
51fd371b RC |
10373 | struct intel_load_detect_pipe *old, |
10374 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 JB |
10375 | { |
10376 | struct intel_crtc *intel_crtc; | |
d2434ab7 DV |
10377 | struct intel_encoder *intel_encoder = |
10378 | intel_attached_encoder(connector); | |
79e53945 | 10379 | struct drm_crtc *possible_crtc; |
4ef69c7a | 10380 | struct drm_encoder *encoder = &intel_encoder->base; |
79e53945 JB |
10381 | struct drm_crtc *crtc = NULL; |
10382 | struct drm_device *dev = encoder->dev; | |
94352cf9 | 10383 | struct drm_framebuffer *fb; |
51fd371b | 10384 | struct drm_mode_config *config = &dev->mode_config; |
edde3617 | 10385 | struct drm_atomic_state *state = NULL, *restore_state = NULL; |
944b0c76 | 10386 | struct drm_connector_state *connector_state; |
4be07317 | 10387 | struct intel_crtc_state *crtc_state; |
51fd371b | 10388 | int ret, i = -1; |
79e53945 | 10389 | |
d2dff872 | 10390 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 10391 | connector->base.id, connector->name, |
8e329a03 | 10392 | encoder->base.id, encoder->name); |
d2dff872 | 10393 | |
edde3617 ML |
10394 | old->restore_state = NULL; |
10395 | ||
51fd371b RC |
10396 | retry: |
10397 | ret = drm_modeset_lock(&config->connection_mutex, ctx); | |
10398 | if (ret) | |
ad3c558f | 10399 | goto fail; |
6e9f798d | 10400 | |
79e53945 JB |
10401 | /* |
10402 | * Algorithm gets a little messy: | |
7a5e4805 | 10403 | * |
79e53945 JB |
10404 | * - if the connector already has an assigned crtc, use it (but make |
10405 | * sure it's on first) | |
7a5e4805 | 10406 | * |
79e53945 JB |
10407 | * - try to find the first unused crtc that can drive this connector, |
10408 | * and use that if we find one | |
79e53945 JB |
10409 | */ |
10410 | ||
10411 | /* See if we already have a CRTC for this connector */ | |
edde3617 ML |
10412 | if (connector->state->crtc) { |
10413 | crtc = connector->state->crtc; | |
8261b191 | 10414 | |
51fd371b | 10415 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
4d02e2de | 10416 | if (ret) |
ad3c558f | 10417 | goto fail; |
8261b191 CW |
10418 | |
10419 | /* Make sure the crtc and connector are running */ | |
edde3617 | 10420 | goto found; |
79e53945 JB |
10421 | } |
10422 | ||
10423 | /* Find an unused one (if possible) */ | |
70e1e0ec | 10424 | for_each_crtc(dev, possible_crtc) { |
79e53945 JB |
10425 | i++; |
10426 | if (!(encoder->possible_crtcs & (1 << i))) | |
10427 | continue; | |
edde3617 ML |
10428 | |
10429 | ret = drm_modeset_lock(&possible_crtc->mutex, ctx); | |
10430 | if (ret) | |
10431 | goto fail; | |
10432 | ||
10433 | if (possible_crtc->state->enable) { | |
10434 | drm_modeset_unlock(&possible_crtc->mutex); | |
a459249c | 10435 | continue; |
edde3617 | 10436 | } |
a459249c VS |
10437 | |
10438 | crtc = possible_crtc; | |
10439 | break; | |
79e53945 JB |
10440 | } |
10441 | ||
10442 | /* | |
10443 | * If we didn't find an unused CRTC, don't use any. | |
10444 | */ | |
10445 | if (!crtc) { | |
7173188d | 10446 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
ad3c558f | 10447 | goto fail; |
79e53945 JB |
10448 | } |
10449 | ||
edde3617 ML |
10450 | found: |
10451 | intel_crtc = to_intel_crtc(crtc); | |
10452 | ||
4d02e2de DV |
10453 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); |
10454 | if (ret) | |
ad3c558f | 10455 | goto fail; |
79e53945 | 10456 | |
83a57153 | 10457 | state = drm_atomic_state_alloc(dev); |
edde3617 ML |
10458 | restore_state = drm_atomic_state_alloc(dev); |
10459 | if (!state || !restore_state) { | |
10460 | ret = -ENOMEM; | |
10461 | goto fail; | |
10462 | } | |
83a57153 ACO |
10463 | |
10464 | state->acquire_ctx = ctx; | |
edde3617 | 10465 | restore_state->acquire_ctx = ctx; |
83a57153 | 10466 | |
944b0c76 ACO |
10467 | connector_state = drm_atomic_get_connector_state(state, connector); |
10468 | if (IS_ERR(connector_state)) { | |
10469 | ret = PTR_ERR(connector_state); | |
10470 | goto fail; | |
10471 | } | |
10472 | ||
edde3617 ML |
10473 | ret = drm_atomic_set_crtc_for_connector(connector_state, crtc); |
10474 | if (ret) | |
10475 | goto fail; | |
944b0c76 | 10476 | |
4be07317 ACO |
10477 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
10478 | if (IS_ERR(crtc_state)) { | |
10479 | ret = PTR_ERR(crtc_state); | |
10480 | goto fail; | |
10481 | } | |
10482 | ||
49d6fa21 | 10483 | crtc_state->base.active = crtc_state->base.enable = true; |
4be07317 | 10484 | |
6492711d CW |
10485 | if (!mode) |
10486 | mode = &load_detect_mode; | |
79e53945 | 10487 | |
d2dff872 CW |
10488 | /* We need a framebuffer large enough to accommodate all accesses |
10489 | * that the plane may generate whilst we perform load detection. | |
10490 | * We can not rely on the fbcon either being present (we get called | |
10491 | * during its initialisation to detect all boot displays, or it may | |
10492 | * not even exist) or that it is large enough to satisfy the | |
10493 | * requested mode. | |
10494 | */ | |
94352cf9 DV |
10495 | fb = mode_fits_in_fbdev(dev, mode); |
10496 | if (fb == NULL) { | |
d2dff872 | 10497 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
94352cf9 | 10498 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
d2dff872 CW |
10499 | } else |
10500 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); | |
94352cf9 | 10501 | if (IS_ERR(fb)) { |
d2dff872 | 10502 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
412b61d8 | 10503 | goto fail; |
79e53945 | 10504 | } |
79e53945 | 10505 | |
d3a40d1b ACO |
10506 | ret = intel_modeset_setup_plane_state(state, crtc, mode, fb, 0, 0); |
10507 | if (ret) | |
10508 | goto fail; | |
10509 | ||
edde3617 ML |
10510 | drm_framebuffer_unreference(fb); |
10511 | ||
10512 | ret = drm_atomic_set_mode_for_crtc(&crtc_state->base, mode); | |
10513 | if (ret) | |
10514 | goto fail; | |
10515 | ||
10516 | ret = PTR_ERR_OR_ZERO(drm_atomic_get_connector_state(restore_state, connector)); | |
10517 | if (!ret) | |
10518 | ret = PTR_ERR_OR_ZERO(drm_atomic_get_crtc_state(restore_state, crtc)); | |
10519 | if (!ret) | |
10520 | ret = PTR_ERR_OR_ZERO(drm_atomic_get_plane_state(restore_state, crtc->primary)); | |
10521 | if (ret) { | |
10522 | DRM_DEBUG_KMS("Failed to create a copy of old state to restore: %i\n", ret); | |
10523 | goto fail; | |
10524 | } | |
8c7b5ccb | 10525 | |
3ba86073 ML |
10526 | ret = drm_atomic_commit(state); |
10527 | if (ret) { | |
6492711d | 10528 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
412b61d8 | 10529 | goto fail; |
79e53945 | 10530 | } |
edde3617 ML |
10531 | |
10532 | old->restore_state = restore_state; | |
7173188d | 10533 | |
79e53945 | 10534 | /* let the connector get through one full cycle before testing */ |
9d0498a2 | 10535 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
7173188d | 10536 | return true; |
412b61d8 | 10537 | |
ad3c558f | 10538 | fail: |
e5d958ef | 10539 | drm_atomic_state_free(state); |
edde3617 ML |
10540 | drm_atomic_state_free(restore_state); |
10541 | restore_state = state = NULL; | |
83a57153 | 10542 | |
51fd371b RC |
10543 | if (ret == -EDEADLK) { |
10544 | drm_modeset_backoff(ctx); | |
10545 | goto retry; | |
10546 | } | |
10547 | ||
412b61d8 | 10548 | return false; |
79e53945 JB |
10549 | } |
10550 | ||
d2434ab7 | 10551 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
49172fee ACO |
10552 | struct intel_load_detect_pipe *old, |
10553 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 | 10554 | { |
d2434ab7 DV |
10555 | struct intel_encoder *intel_encoder = |
10556 | intel_attached_encoder(connector); | |
4ef69c7a | 10557 | struct drm_encoder *encoder = &intel_encoder->base; |
edde3617 | 10558 | struct drm_atomic_state *state = old->restore_state; |
d3a40d1b | 10559 | int ret; |
79e53945 | 10560 | |
d2dff872 | 10561 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 10562 | connector->base.id, connector->name, |
8e329a03 | 10563 | encoder->base.id, encoder->name); |
d2dff872 | 10564 | |
edde3617 | 10565 | if (!state) |
0622a53c | 10566 | return; |
79e53945 | 10567 | |
edde3617 ML |
10568 | ret = drm_atomic_commit(state); |
10569 | if (ret) { | |
10570 | DRM_DEBUG_KMS("Couldn't release load detect pipe: %i\n", ret); | |
10571 | drm_atomic_state_free(state); | |
10572 | } | |
79e53945 JB |
10573 | } |
10574 | ||
da4a1efa | 10575 | static int i9xx_pll_refclk(struct drm_device *dev, |
5cec258b | 10576 | const struct intel_crtc_state *pipe_config) |
da4a1efa VS |
10577 | { |
10578 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10579 | u32 dpll = pipe_config->dpll_hw_state.dpll; | |
10580 | ||
10581 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) | |
e91e941b | 10582 | return dev_priv->vbt.lvds_ssc_freq; |
da4a1efa VS |
10583 | else if (HAS_PCH_SPLIT(dev)) |
10584 | return 120000; | |
10585 | else if (!IS_GEN2(dev)) | |
10586 | return 96000; | |
10587 | else | |
10588 | return 48000; | |
10589 | } | |
10590 | ||
79e53945 | 10591 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
f1f644dc | 10592 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 10593 | struct intel_crtc_state *pipe_config) |
79e53945 | 10594 | { |
f1f644dc | 10595 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 10596 | struct drm_i915_private *dev_priv = dev->dev_private; |
f1f644dc | 10597 | int pipe = pipe_config->cpu_transcoder; |
293623f7 | 10598 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
79e53945 JB |
10599 | u32 fp; |
10600 | intel_clock_t clock; | |
dccbea3b | 10601 | int port_clock; |
da4a1efa | 10602 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
79e53945 JB |
10603 | |
10604 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
293623f7 | 10605 | fp = pipe_config->dpll_hw_state.fp0; |
79e53945 | 10606 | else |
293623f7 | 10607 | fp = pipe_config->dpll_hw_state.fp1; |
79e53945 JB |
10608 | |
10609 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
f2b115e6 AJ |
10610 | if (IS_PINEVIEW(dev)) { |
10611 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; | |
10612 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
2177832f SL |
10613 | } else { |
10614 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
10615 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
10616 | } | |
10617 | ||
a6c45cf0 | 10618 | if (!IS_GEN2(dev)) { |
f2b115e6 AJ |
10619 | if (IS_PINEVIEW(dev)) |
10620 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> | |
10621 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); | |
2177832f SL |
10622 | else |
10623 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
79e53945 JB |
10624 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
10625 | ||
10626 | switch (dpll & DPLL_MODE_MASK) { | |
10627 | case DPLLB_MODE_DAC_SERIAL: | |
10628 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
10629 | 5 : 10; | |
10630 | break; | |
10631 | case DPLLB_MODE_LVDS: | |
10632 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
10633 | 7 : 14; | |
10634 | break; | |
10635 | default: | |
28c97730 | 10636 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
79e53945 | 10637 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
f1f644dc | 10638 | return; |
79e53945 JB |
10639 | } |
10640 | ||
ac58c3f0 | 10641 | if (IS_PINEVIEW(dev)) |
dccbea3b | 10642 | port_clock = pnv_calc_dpll_params(refclk, &clock); |
ac58c3f0 | 10643 | else |
dccbea3b | 10644 | port_clock = i9xx_calc_dpll_params(refclk, &clock); |
79e53945 | 10645 | } else { |
0fb58223 | 10646 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
b1c560d1 | 10647 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
79e53945 JB |
10648 | |
10649 | if (is_lvds) { | |
10650 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
10651 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
b1c560d1 VS |
10652 | |
10653 | if (lvds & LVDS_CLKB_POWER_UP) | |
10654 | clock.p2 = 7; | |
10655 | else | |
10656 | clock.p2 = 14; | |
79e53945 JB |
10657 | } else { |
10658 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
10659 | clock.p1 = 2; | |
10660 | else { | |
10661 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
10662 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
10663 | } | |
10664 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
10665 | clock.p2 = 4; | |
10666 | else | |
10667 | clock.p2 = 2; | |
79e53945 | 10668 | } |
da4a1efa | 10669 | |
dccbea3b | 10670 | port_clock = i9xx_calc_dpll_params(refclk, &clock); |
79e53945 JB |
10671 | } |
10672 | ||
18442d08 VS |
10673 | /* |
10674 | * This value includes pixel_multiplier. We will use | |
241bfc38 | 10675 | * port_clock to compute adjusted_mode.crtc_clock in the |
18442d08 VS |
10676 | * encoder's get_config() function. |
10677 | */ | |
dccbea3b | 10678 | pipe_config->port_clock = port_clock; |
f1f644dc JB |
10679 | } |
10680 | ||
6878da05 VS |
10681 | int intel_dotclock_calculate(int link_freq, |
10682 | const struct intel_link_m_n *m_n) | |
f1f644dc | 10683 | { |
f1f644dc JB |
10684 | /* |
10685 | * The calculation for the data clock is: | |
1041a02f | 10686 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
f1f644dc | 10687 | * But we want to avoid losing precison if possible, so: |
1041a02f | 10688 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
f1f644dc JB |
10689 | * |
10690 | * and the link clock is simpler: | |
1041a02f | 10691 | * link_clock = (m * link_clock) / n |
f1f644dc JB |
10692 | */ |
10693 | ||
6878da05 VS |
10694 | if (!m_n->link_n) |
10695 | return 0; | |
f1f644dc | 10696 | |
6878da05 VS |
10697 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
10698 | } | |
f1f644dc | 10699 | |
18442d08 | 10700 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 10701 | struct intel_crtc_state *pipe_config) |
6878da05 | 10702 | { |
e3b247da | 10703 | struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); |
79e53945 | 10704 | |
18442d08 VS |
10705 | /* read out port_clock from the DPLL */ |
10706 | i9xx_crtc_clock_get(crtc, pipe_config); | |
f1f644dc | 10707 | |
f1f644dc | 10708 | /* |
e3b247da VS |
10709 | * In case there is an active pipe without active ports, |
10710 | * we may need some idea for the dotclock anyway. | |
10711 | * Calculate one based on the FDI configuration. | |
79e53945 | 10712 | */ |
2d112de7 | 10713 | pipe_config->base.adjusted_mode.crtc_clock = |
21a727b3 | 10714 | intel_dotclock_calculate(intel_fdi_link_freq(dev_priv, pipe_config), |
18442d08 | 10715 | &pipe_config->fdi_m_n); |
79e53945 JB |
10716 | } |
10717 | ||
10718 | /** Returns the currently programmed mode of the given pipe. */ | |
10719 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
10720 | struct drm_crtc *crtc) | |
10721 | { | |
548f245b | 10722 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 10723 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 10724 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
79e53945 | 10725 | struct drm_display_mode *mode; |
3f36b937 | 10726 | struct intel_crtc_state *pipe_config; |
fe2b8f9d PZ |
10727 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
10728 | int hsync = I915_READ(HSYNC(cpu_transcoder)); | |
10729 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); | |
10730 | int vsync = I915_READ(VSYNC(cpu_transcoder)); | |
293623f7 | 10731 | enum pipe pipe = intel_crtc->pipe; |
79e53945 JB |
10732 | |
10733 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
10734 | if (!mode) | |
10735 | return NULL; | |
10736 | ||
3f36b937 TU |
10737 | pipe_config = kzalloc(sizeof(*pipe_config), GFP_KERNEL); |
10738 | if (!pipe_config) { | |
10739 | kfree(mode); | |
10740 | return NULL; | |
10741 | } | |
10742 | ||
f1f644dc JB |
10743 | /* |
10744 | * Construct a pipe_config sufficient for getting the clock info | |
10745 | * back out of crtc_clock_get. | |
10746 | * | |
10747 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need | |
10748 | * to use a real value here instead. | |
10749 | */ | |
3f36b937 TU |
10750 | pipe_config->cpu_transcoder = (enum transcoder) pipe; |
10751 | pipe_config->pixel_multiplier = 1; | |
10752 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(pipe)); | |
10753 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(pipe)); | |
10754 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(pipe)); | |
10755 | i9xx_crtc_clock_get(intel_crtc, pipe_config); | |
10756 | ||
10757 | mode->clock = pipe_config->port_clock / pipe_config->pixel_multiplier; | |
79e53945 JB |
10758 | mode->hdisplay = (htot & 0xffff) + 1; |
10759 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
10760 | mode->hsync_start = (hsync & 0xffff) + 1; | |
10761 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
10762 | mode->vdisplay = (vtot & 0xffff) + 1; | |
10763 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
10764 | mode->vsync_start = (vsync & 0xffff) + 1; | |
10765 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
10766 | ||
10767 | drm_mode_set_name(mode); | |
79e53945 | 10768 | |
3f36b937 TU |
10769 | kfree(pipe_config); |
10770 | ||
79e53945 JB |
10771 | return mode; |
10772 | } | |
10773 | ||
f047e395 CW |
10774 | void intel_mark_busy(struct drm_device *dev) |
10775 | { | |
c67a470b PZ |
10776 | struct drm_i915_private *dev_priv = dev->dev_private; |
10777 | ||
f62a0076 CW |
10778 | if (dev_priv->mm.busy) |
10779 | return; | |
10780 | ||
43694d69 | 10781 | intel_runtime_pm_get(dev_priv); |
c67a470b | 10782 | i915_update_gfx_val(dev_priv); |
43cf3bf0 CW |
10783 | if (INTEL_INFO(dev)->gen >= 6) |
10784 | gen6_rps_busy(dev_priv); | |
f62a0076 | 10785 | dev_priv->mm.busy = true; |
f047e395 CW |
10786 | } |
10787 | ||
10788 | void intel_mark_idle(struct drm_device *dev) | |
652c393a | 10789 | { |
c67a470b | 10790 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 10791 | |
f62a0076 CW |
10792 | if (!dev_priv->mm.busy) |
10793 | return; | |
10794 | ||
10795 | dev_priv->mm.busy = false; | |
10796 | ||
3d13ef2e | 10797 | if (INTEL_INFO(dev)->gen >= 6) |
b29c19b6 | 10798 | gen6_rps_idle(dev->dev_private); |
bb4cdd53 | 10799 | |
43694d69 | 10800 | intel_runtime_pm_put(dev_priv); |
652c393a JB |
10801 | } |
10802 | ||
79e53945 JB |
10803 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
10804 | { | |
10805 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
67e77c5a DV |
10806 | struct drm_device *dev = crtc->dev; |
10807 | struct intel_unpin_work *work; | |
67e77c5a | 10808 | |
5e2d7afc | 10809 | spin_lock_irq(&dev->event_lock); |
67e77c5a DV |
10810 | work = intel_crtc->unpin_work; |
10811 | intel_crtc->unpin_work = NULL; | |
5e2d7afc | 10812 | spin_unlock_irq(&dev->event_lock); |
67e77c5a DV |
10813 | |
10814 | if (work) { | |
10815 | cancel_work_sync(&work->work); | |
10816 | kfree(work); | |
10817 | } | |
79e53945 JB |
10818 | |
10819 | drm_crtc_cleanup(crtc); | |
67e77c5a | 10820 | |
79e53945 JB |
10821 | kfree(intel_crtc); |
10822 | } | |
10823 | ||
6b95a207 KH |
10824 | static void intel_unpin_work_fn(struct work_struct *__work) |
10825 | { | |
10826 | struct intel_unpin_work *work = | |
10827 | container_of(__work, struct intel_unpin_work, work); | |
a9ff8714 VS |
10828 | struct intel_crtc *crtc = to_intel_crtc(work->crtc); |
10829 | struct drm_device *dev = crtc->base.dev; | |
10830 | struct drm_plane *primary = crtc->base.primary; | |
6b95a207 | 10831 | |
b4a98e57 | 10832 | mutex_lock(&dev->struct_mutex); |
3465c580 | 10833 | intel_unpin_fb_obj(work->old_fb, primary->state->rotation); |
05394f39 | 10834 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
d9e86c0e | 10835 | |
f06cc1b9 | 10836 | if (work->flip_queued_req) |
146d84f0 | 10837 | i915_gem_request_assign(&work->flip_queued_req, NULL); |
b4a98e57 CW |
10838 | mutex_unlock(&dev->struct_mutex); |
10839 | ||
a9ff8714 | 10840 | intel_frontbuffer_flip_complete(dev, to_intel_plane(primary)->frontbuffer_bit); |
1eb52238 | 10841 | intel_fbc_post_update(crtc); |
89ed88ba | 10842 | drm_framebuffer_unreference(work->old_fb); |
f99d7069 | 10843 | |
a9ff8714 VS |
10844 | BUG_ON(atomic_read(&crtc->unpin_work_count) == 0); |
10845 | atomic_dec(&crtc->unpin_work_count); | |
b4a98e57 | 10846 | |
6b95a207 KH |
10847 | kfree(work); |
10848 | } | |
10849 | ||
1afe3e9d | 10850 | static void do_intel_finish_page_flip(struct drm_device *dev, |
49b14a5c | 10851 | struct drm_crtc *crtc) |
6b95a207 | 10852 | { |
6b95a207 KH |
10853 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
10854 | struct intel_unpin_work *work; | |
6b95a207 KH |
10855 | unsigned long flags; |
10856 | ||
10857 | /* Ignore early vblank irqs */ | |
10858 | if (intel_crtc == NULL) | |
10859 | return; | |
10860 | ||
f326038a DV |
10861 | /* |
10862 | * This is called both by irq handlers and the reset code (to complete | |
10863 | * lost pageflips) so needs the full irqsave spinlocks. | |
10864 | */ | |
6b95a207 KH |
10865 | spin_lock_irqsave(&dev->event_lock, flags); |
10866 | work = intel_crtc->unpin_work; | |
e7d841ca CW |
10867 | |
10868 | /* Ensure we don't miss a work->pending update ... */ | |
10869 | smp_rmb(); | |
10870 | ||
10871 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { | |
6b95a207 KH |
10872 | spin_unlock_irqrestore(&dev->event_lock, flags); |
10873 | return; | |
10874 | } | |
10875 | ||
d6bbafa1 | 10876 | page_flip_completed(intel_crtc); |
0af7e4df | 10877 | |
6b95a207 | 10878 | spin_unlock_irqrestore(&dev->event_lock, flags); |
6b95a207 KH |
10879 | } |
10880 | ||
1afe3e9d JB |
10881 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
10882 | { | |
fbee40df | 10883 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
10884 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
10885 | ||
49b14a5c | 10886 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
10887 | } |
10888 | ||
10889 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) | |
10890 | { | |
fbee40df | 10891 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
10892 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
10893 | ||
49b14a5c | 10894 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
10895 | } |
10896 | ||
75f7f3ec VS |
10897 | /* Is 'a' after or equal to 'b'? */ |
10898 | static bool g4x_flip_count_after_eq(u32 a, u32 b) | |
10899 | { | |
10900 | return !((a - b) & 0x80000000); | |
10901 | } | |
10902 | ||
10903 | static bool page_flip_finished(struct intel_crtc *crtc) | |
10904 | { | |
10905 | struct drm_device *dev = crtc->base.dev; | |
10906 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10907 | ||
bdfa7542 VS |
10908 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
10909 | crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
10910 | return true; | |
10911 | ||
75f7f3ec VS |
10912 | /* |
10913 | * The relevant registers doen't exist on pre-ctg. | |
10914 | * As the flip done interrupt doesn't trigger for mmio | |
10915 | * flips on gmch platforms, a flip count check isn't | |
10916 | * really needed there. But since ctg has the registers, | |
10917 | * include it in the check anyway. | |
10918 | */ | |
10919 | if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) | |
10920 | return true; | |
10921 | ||
e8861675 ML |
10922 | /* |
10923 | * BDW signals flip done immediately if the plane | |
10924 | * is disabled, even if the plane enable is already | |
10925 | * armed to occur at the next vblank :( | |
10926 | */ | |
10927 | ||
75f7f3ec VS |
10928 | /* |
10929 | * A DSPSURFLIVE check isn't enough in case the mmio and CS flips | |
10930 | * used the same base address. In that case the mmio flip might | |
10931 | * have completed, but the CS hasn't even executed the flip yet. | |
10932 | * | |
10933 | * A flip count check isn't enough as the CS might have updated | |
10934 | * the base address just after start of vblank, but before we | |
10935 | * managed to process the interrupt. This means we'd complete the | |
10936 | * CS flip too soon. | |
10937 | * | |
10938 | * Combining both checks should get us a good enough result. It may | |
10939 | * still happen that the CS flip has been executed, but has not | |
10940 | * yet actually completed. But in case the base address is the same | |
10941 | * anyway, we don't really care. | |
10942 | */ | |
10943 | return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == | |
10944 | crtc->unpin_work->gtt_offset && | |
fd8f507c | 10945 | g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_G4X(crtc->pipe)), |
75f7f3ec VS |
10946 | crtc->unpin_work->flip_count); |
10947 | } | |
10948 | ||
6b95a207 KH |
10949 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
10950 | { | |
fbee40df | 10951 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
10952 | struct intel_crtc *intel_crtc = |
10953 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); | |
10954 | unsigned long flags; | |
10955 | ||
f326038a DV |
10956 | |
10957 | /* | |
10958 | * This is called both by irq handlers and the reset code (to complete | |
10959 | * lost pageflips) so needs the full irqsave spinlocks. | |
10960 | * | |
10961 | * NB: An MMIO update of the plane base pointer will also | |
e7d841ca CW |
10962 | * generate a page-flip completion irq, i.e. every modeset |
10963 | * is also accompanied by a spurious intel_prepare_page_flip(). | |
10964 | */ | |
6b95a207 | 10965 | spin_lock_irqsave(&dev->event_lock, flags); |
75f7f3ec | 10966 | if (intel_crtc->unpin_work && page_flip_finished(intel_crtc)) |
e7d841ca | 10967 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); |
6b95a207 KH |
10968 | spin_unlock_irqrestore(&dev->event_lock, flags); |
10969 | } | |
10970 | ||
6042639c | 10971 | static inline void intel_mark_page_flip_active(struct intel_unpin_work *work) |
e7d841ca CW |
10972 | { |
10973 | /* Ensure that the work item is consistent when activating it ... */ | |
10974 | smp_wmb(); | |
6042639c | 10975 | atomic_set(&work->pending, INTEL_FLIP_PENDING); |
e7d841ca CW |
10976 | /* and that it is marked active as soon as the irq could fire. */ |
10977 | smp_wmb(); | |
10978 | } | |
10979 | ||
8c9f3aaf JB |
10980 | static int intel_gen2_queue_flip(struct drm_device *dev, |
10981 | struct drm_crtc *crtc, | |
10982 | struct drm_framebuffer *fb, | |
ed8d1975 | 10983 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10984 | struct drm_i915_gem_request *req, |
ed8d1975 | 10985 | uint32_t flags) |
8c9f3aaf | 10986 | { |
6258fbe2 | 10987 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf | 10988 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
10989 | u32 flip_mask; |
10990 | int ret; | |
10991 | ||
5fb9de1a | 10992 | ret = intel_ring_begin(req, 6); |
8c9f3aaf | 10993 | if (ret) |
4fa62c89 | 10994 | return ret; |
8c9f3aaf JB |
10995 | |
10996 | /* Can't queue multiple flips, so wait for the previous | |
10997 | * one to finish before executing the next. | |
10998 | */ | |
10999 | if (intel_crtc->plane) | |
11000 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
11001 | else | |
11002 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
11003 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
11004 | intel_ring_emit(ring, MI_NOOP); | |
11005 | intel_ring_emit(ring, MI_DISPLAY_FLIP | | |
11006 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
11007 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 11008 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 | 11009 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
e7d841ca | 11010 | |
6042639c | 11011 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 11012 | return 0; |
8c9f3aaf JB |
11013 | } |
11014 | ||
11015 | static int intel_gen3_queue_flip(struct drm_device *dev, | |
11016 | struct drm_crtc *crtc, | |
11017 | struct drm_framebuffer *fb, | |
ed8d1975 | 11018 | struct drm_i915_gem_object *obj, |
6258fbe2 | 11019 | struct drm_i915_gem_request *req, |
ed8d1975 | 11020 | uint32_t flags) |
8c9f3aaf | 11021 | { |
6258fbe2 | 11022 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf | 11023 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
11024 | u32 flip_mask; |
11025 | int ret; | |
11026 | ||
5fb9de1a | 11027 | ret = intel_ring_begin(req, 6); |
8c9f3aaf | 11028 | if (ret) |
4fa62c89 | 11029 | return ret; |
8c9f3aaf JB |
11030 | |
11031 | if (intel_crtc->plane) | |
11032 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
11033 | else | |
11034 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
11035 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
11036 | intel_ring_emit(ring, MI_NOOP); | |
11037 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | | |
11038 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
11039 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 11040 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 DV |
11041 | intel_ring_emit(ring, MI_NOOP); |
11042 | ||
6042639c | 11043 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 11044 | return 0; |
8c9f3aaf JB |
11045 | } |
11046 | ||
11047 | static int intel_gen4_queue_flip(struct drm_device *dev, | |
11048 | struct drm_crtc *crtc, | |
11049 | struct drm_framebuffer *fb, | |
ed8d1975 | 11050 | struct drm_i915_gem_object *obj, |
6258fbe2 | 11051 | struct drm_i915_gem_request *req, |
ed8d1975 | 11052 | uint32_t flags) |
8c9f3aaf | 11053 | { |
6258fbe2 | 11054 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf JB |
11055 | struct drm_i915_private *dev_priv = dev->dev_private; |
11056 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11057 | uint32_t pf, pipesrc; | |
11058 | int ret; | |
11059 | ||
5fb9de1a | 11060 | ret = intel_ring_begin(req, 4); |
8c9f3aaf | 11061 | if (ret) |
4fa62c89 | 11062 | return ret; |
8c9f3aaf JB |
11063 | |
11064 | /* i965+ uses the linear or tiled offsets from the | |
11065 | * Display Registers (which do not change across a page-flip) | |
11066 | * so we need only reprogram the base address. | |
11067 | */ | |
6d90c952 DV |
11068 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
11069 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
11070 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 11071 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset | |
c2c75131 | 11072 | obj->tiling_mode); |
8c9f3aaf JB |
11073 | |
11074 | /* XXX Enabling the panel-fitter across page-flip is so far | |
11075 | * untested on non-native modes, so ignore it for now. | |
11076 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; | |
11077 | */ | |
11078 | pf = 0; | |
11079 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
6d90c952 | 11080 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca | 11081 | |
6042639c | 11082 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 11083 | return 0; |
8c9f3aaf JB |
11084 | } |
11085 | ||
11086 | static int intel_gen6_queue_flip(struct drm_device *dev, | |
11087 | struct drm_crtc *crtc, | |
11088 | struct drm_framebuffer *fb, | |
ed8d1975 | 11089 | struct drm_i915_gem_object *obj, |
6258fbe2 | 11090 | struct drm_i915_gem_request *req, |
ed8d1975 | 11091 | uint32_t flags) |
8c9f3aaf | 11092 | { |
6258fbe2 | 11093 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf JB |
11094 | struct drm_i915_private *dev_priv = dev->dev_private; |
11095 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11096 | uint32_t pf, pipesrc; | |
11097 | int ret; | |
11098 | ||
5fb9de1a | 11099 | ret = intel_ring_begin(req, 4); |
8c9f3aaf | 11100 | if (ret) |
4fa62c89 | 11101 | return ret; |
8c9f3aaf | 11102 | |
6d90c952 DV |
11103 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
11104 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
11105 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); | |
75f7f3ec | 11106 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
8c9f3aaf | 11107 | |
dc257cf1 DV |
11108 | /* Contrary to the suggestions in the documentation, |
11109 | * "Enable Panel Fitter" does not seem to be required when page | |
11110 | * flipping with a non-native mode, and worse causes a normal | |
11111 | * modeset to fail. | |
11112 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; | |
11113 | */ | |
11114 | pf = 0; | |
8c9f3aaf | 11115 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
6d90c952 | 11116 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca | 11117 | |
6042639c | 11118 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 11119 | return 0; |
8c9f3aaf JB |
11120 | } |
11121 | ||
7c9017e5 JB |
11122 | static int intel_gen7_queue_flip(struct drm_device *dev, |
11123 | struct drm_crtc *crtc, | |
11124 | struct drm_framebuffer *fb, | |
ed8d1975 | 11125 | struct drm_i915_gem_object *obj, |
6258fbe2 | 11126 | struct drm_i915_gem_request *req, |
ed8d1975 | 11127 | uint32_t flags) |
7c9017e5 | 11128 | { |
6258fbe2 | 11129 | struct intel_engine_cs *ring = req->ring; |
7c9017e5 | 11130 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cb05d8de | 11131 | uint32_t plane_bit = 0; |
ffe74d75 CW |
11132 | int len, ret; |
11133 | ||
eba905b2 | 11134 | switch (intel_crtc->plane) { |
cb05d8de DV |
11135 | case PLANE_A: |
11136 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; | |
11137 | break; | |
11138 | case PLANE_B: | |
11139 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; | |
11140 | break; | |
11141 | case PLANE_C: | |
11142 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; | |
11143 | break; | |
11144 | default: | |
11145 | WARN_ONCE(1, "unknown plane in flip command\n"); | |
4fa62c89 | 11146 | return -ENODEV; |
cb05d8de DV |
11147 | } |
11148 | ||
ffe74d75 | 11149 | len = 4; |
f476828a | 11150 | if (ring->id == RCS) { |
ffe74d75 | 11151 | len += 6; |
f476828a DL |
11152 | /* |
11153 | * On Gen 8, SRM is now taking an extra dword to accommodate | |
11154 | * 48bits addresses, and we need a NOOP for the batch size to | |
11155 | * stay even. | |
11156 | */ | |
11157 | if (IS_GEN8(dev)) | |
11158 | len += 2; | |
11159 | } | |
ffe74d75 | 11160 | |
f66fab8e VS |
11161 | /* |
11162 | * BSpec MI_DISPLAY_FLIP for IVB: | |
11163 | * "The full packet must be contained within the same cache line." | |
11164 | * | |
11165 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same | |
11166 | * cacheline, if we ever start emitting more commands before | |
11167 | * the MI_DISPLAY_FLIP we may need to first emit everything else, | |
11168 | * then do the cacheline alignment, and finally emit the | |
11169 | * MI_DISPLAY_FLIP. | |
11170 | */ | |
bba09b12 | 11171 | ret = intel_ring_cacheline_align(req); |
f66fab8e | 11172 | if (ret) |
4fa62c89 | 11173 | return ret; |
f66fab8e | 11174 | |
5fb9de1a | 11175 | ret = intel_ring_begin(req, len); |
7c9017e5 | 11176 | if (ret) |
4fa62c89 | 11177 | return ret; |
7c9017e5 | 11178 | |
ffe74d75 CW |
11179 | /* Unmask the flip-done completion message. Note that the bspec says that |
11180 | * we should do this for both the BCS and RCS, and that we must not unmask | |
11181 | * more than one flip event at any time (or ensure that one flip message | |
11182 | * can be sent by waiting for flip-done prior to queueing new flips). | |
11183 | * Experimentation says that BCS works despite DERRMR masking all | |
11184 | * flip-done completion events and that unmasking all planes at once | |
11185 | * for the RCS also doesn't appear to drop events. Setting the DERRMR | |
11186 | * to zero does lead to lockups within MI_DISPLAY_FLIP. | |
11187 | */ | |
11188 | if (ring->id == RCS) { | |
11189 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); | |
f92a9162 | 11190 | intel_ring_emit_reg(ring, DERRMR); |
ffe74d75 CW |
11191 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | |
11192 | DERRMR_PIPEB_PRI_FLIP_DONE | | |
11193 | DERRMR_PIPEC_PRI_FLIP_DONE)); | |
f476828a | 11194 | if (IS_GEN8(dev)) |
f1afe24f | 11195 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8 | |
f476828a DL |
11196 | MI_SRM_LRM_GLOBAL_GTT); |
11197 | else | |
f1afe24f | 11198 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM | |
f476828a | 11199 | MI_SRM_LRM_GLOBAL_GTT); |
f92a9162 | 11200 | intel_ring_emit_reg(ring, DERRMR); |
ffe74d75 | 11201 | intel_ring_emit(ring, ring->scratch.gtt_offset + 256); |
f476828a DL |
11202 | if (IS_GEN8(dev)) { |
11203 | intel_ring_emit(ring, 0); | |
11204 | intel_ring_emit(ring, MI_NOOP); | |
11205 | } | |
ffe74d75 CW |
11206 | } |
11207 | ||
cb05d8de | 11208 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
01f2c773 | 11209 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
75f7f3ec | 11210 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
7c9017e5 | 11211 | intel_ring_emit(ring, (MI_NOOP)); |
e7d841ca | 11212 | |
6042639c | 11213 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 11214 | return 0; |
7c9017e5 JB |
11215 | } |
11216 | ||
84c33a64 SG |
11217 | static bool use_mmio_flip(struct intel_engine_cs *ring, |
11218 | struct drm_i915_gem_object *obj) | |
11219 | { | |
11220 | /* | |
11221 | * This is not being used for older platforms, because | |
11222 | * non-availability of flip done interrupt forces us to use | |
11223 | * CS flips. Older platforms derive flip done using some clever | |
11224 | * tricks involving the flip_pending status bits and vblank irqs. | |
11225 | * So using MMIO flips there would disrupt this mechanism. | |
11226 | */ | |
11227 | ||
8e09bf83 CW |
11228 | if (ring == NULL) |
11229 | return true; | |
11230 | ||
84c33a64 SG |
11231 | if (INTEL_INFO(ring->dev)->gen < 5) |
11232 | return false; | |
11233 | ||
11234 | if (i915.use_mmio_flip < 0) | |
11235 | return false; | |
11236 | else if (i915.use_mmio_flip > 0) | |
11237 | return true; | |
14bf993e OM |
11238 | else if (i915.enable_execlists) |
11239 | return true; | |
fd8e058a AG |
11240 | else if (obj->base.dma_buf && |
11241 | !reservation_object_test_signaled_rcu(obj->base.dma_buf->resv, | |
11242 | false)) | |
11243 | return true; | |
84c33a64 | 11244 | else |
b4716185 | 11245 | return ring != i915_gem_request_get_ring(obj->last_write_req); |
84c33a64 SG |
11246 | } |
11247 | ||
6042639c | 11248 | static void skl_do_mmio_flip(struct intel_crtc *intel_crtc, |
86efe24a | 11249 | unsigned int rotation, |
6042639c | 11250 | struct intel_unpin_work *work) |
ff944564 DL |
11251 | { |
11252 | struct drm_device *dev = intel_crtc->base.dev; | |
11253 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11254 | struct drm_framebuffer *fb = intel_crtc->base.primary->fb; | |
ff944564 | 11255 | const enum pipe pipe = intel_crtc->pipe; |
86efe24a | 11256 | u32 ctl, stride, tile_height; |
ff944564 DL |
11257 | |
11258 | ctl = I915_READ(PLANE_CTL(pipe, 0)); | |
11259 | ctl &= ~PLANE_CTL_TILED_MASK; | |
2ebef630 TU |
11260 | switch (fb->modifier[0]) { |
11261 | case DRM_FORMAT_MOD_NONE: | |
11262 | break; | |
11263 | case I915_FORMAT_MOD_X_TILED: | |
ff944564 | 11264 | ctl |= PLANE_CTL_TILED_X; |
2ebef630 TU |
11265 | break; |
11266 | case I915_FORMAT_MOD_Y_TILED: | |
11267 | ctl |= PLANE_CTL_TILED_Y; | |
11268 | break; | |
11269 | case I915_FORMAT_MOD_Yf_TILED: | |
11270 | ctl |= PLANE_CTL_TILED_YF; | |
11271 | break; | |
11272 | default: | |
11273 | MISSING_CASE(fb->modifier[0]); | |
11274 | } | |
ff944564 DL |
11275 | |
11276 | /* | |
11277 | * The stride is either expressed as a multiple of 64 bytes chunks for | |
11278 | * linear buffers or in number of tiles for tiled buffers. | |
11279 | */ | |
86efe24a TU |
11280 | if (intel_rotation_90_or_270(rotation)) { |
11281 | /* stride = Surface height in tiles */ | |
832be82f | 11282 | tile_height = intel_tile_height(dev_priv, fb->modifier[0], 0); |
86efe24a TU |
11283 | stride = DIV_ROUND_UP(fb->height, tile_height); |
11284 | } else { | |
11285 | stride = fb->pitches[0] / | |
7b49f948 VS |
11286 | intel_fb_stride_alignment(dev_priv, fb->modifier[0], |
11287 | fb->pixel_format); | |
86efe24a | 11288 | } |
ff944564 DL |
11289 | |
11290 | /* | |
11291 | * Both PLANE_CTL and PLANE_STRIDE are not updated on vblank but on | |
11292 | * PLANE_SURF updates, the update is then guaranteed to be atomic. | |
11293 | */ | |
11294 | I915_WRITE(PLANE_CTL(pipe, 0), ctl); | |
11295 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
11296 | ||
6042639c | 11297 | I915_WRITE(PLANE_SURF(pipe, 0), work->gtt_offset); |
ff944564 DL |
11298 | POSTING_READ(PLANE_SURF(pipe, 0)); |
11299 | } | |
11300 | ||
6042639c CW |
11301 | static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc, |
11302 | struct intel_unpin_work *work) | |
84c33a64 SG |
11303 | { |
11304 | struct drm_device *dev = intel_crtc->base.dev; | |
11305 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11306 | struct intel_framebuffer *intel_fb = | |
11307 | to_intel_framebuffer(intel_crtc->base.primary->fb); | |
11308 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
f0f59a00 | 11309 | i915_reg_t reg = DSPCNTR(intel_crtc->plane); |
84c33a64 | 11310 | u32 dspcntr; |
84c33a64 | 11311 | |
84c33a64 SG |
11312 | dspcntr = I915_READ(reg); |
11313 | ||
c5d97472 DL |
11314 | if (obj->tiling_mode != I915_TILING_NONE) |
11315 | dspcntr |= DISPPLANE_TILED; | |
11316 | else | |
11317 | dspcntr &= ~DISPPLANE_TILED; | |
11318 | ||
84c33a64 SG |
11319 | I915_WRITE(reg, dspcntr); |
11320 | ||
6042639c | 11321 | I915_WRITE(DSPSURF(intel_crtc->plane), work->gtt_offset); |
84c33a64 | 11322 | POSTING_READ(DSPSURF(intel_crtc->plane)); |
ff944564 DL |
11323 | } |
11324 | ||
11325 | /* | |
11326 | * XXX: This is the temporary way to update the plane registers until we get | |
11327 | * around to using the usual plane update functions for MMIO flips | |
11328 | */ | |
6042639c | 11329 | static void intel_do_mmio_flip(struct intel_mmio_flip *mmio_flip) |
ff944564 | 11330 | { |
6042639c CW |
11331 | struct intel_crtc *crtc = mmio_flip->crtc; |
11332 | struct intel_unpin_work *work; | |
11333 | ||
11334 | spin_lock_irq(&crtc->base.dev->event_lock); | |
11335 | work = crtc->unpin_work; | |
11336 | spin_unlock_irq(&crtc->base.dev->event_lock); | |
11337 | if (work == NULL) | |
11338 | return; | |
ff944564 | 11339 | |
6042639c | 11340 | intel_mark_page_flip_active(work); |
ff944564 | 11341 | |
6042639c | 11342 | intel_pipe_update_start(crtc); |
ff944564 | 11343 | |
6042639c | 11344 | if (INTEL_INFO(mmio_flip->i915)->gen >= 9) |
86efe24a | 11345 | skl_do_mmio_flip(crtc, mmio_flip->rotation, work); |
ff944564 DL |
11346 | else |
11347 | /* use_mmio_flip() retricts MMIO flips to ilk+ */ | |
6042639c | 11348 | ilk_do_mmio_flip(crtc, work); |
ff944564 | 11349 | |
6042639c | 11350 | intel_pipe_update_end(crtc); |
84c33a64 SG |
11351 | } |
11352 | ||
9362c7c5 | 11353 | static void intel_mmio_flip_work_func(struct work_struct *work) |
84c33a64 | 11354 | { |
b2cfe0ab CW |
11355 | struct intel_mmio_flip *mmio_flip = |
11356 | container_of(work, struct intel_mmio_flip, work); | |
fd8e058a AG |
11357 | struct intel_framebuffer *intel_fb = |
11358 | to_intel_framebuffer(mmio_flip->crtc->base.primary->fb); | |
11359 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
84c33a64 | 11360 | |
6042639c | 11361 | if (mmio_flip->req) { |
eed29a5b | 11362 | WARN_ON(__i915_wait_request(mmio_flip->req, |
b2cfe0ab | 11363 | mmio_flip->crtc->reset_counter, |
bcafc4e3 CW |
11364 | false, NULL, |
11365 | &mmio_flip->i915->rps.mmioflips)); | |
6042639c CW |
11366 | i915_gem_request_unreference__unlocked(mmio_flip->req); |
11367 | } | |
84c33a64 | 11368 | |
fd8e058a AG |
11369 | /* For framebuffer backed by dmabuf, wait for fence */ |
11370 | if (obj->base.dma_buf) | |
11371 | WARN_ON(reservation_object_wait_timeout_rcu(obj->base.dma_buf->resv, | |
11372 | false, false, | |
11373 | MAX_SCHEDULE_TIMEOUT) < 0); | |
11374 | ||
6042639c | 11375 | intel_do_mmio_flip(mmio_flip); |
b2cfe0ab | 11376 | kfree(mmio_flip); |
84c33a64 SG |
11377 | } |
11378 | ||
11379 | static int intel_queue_mmio_flip(struct drm_device *dev, | |
11380 | struct drm_crtc *crtc, | |
86efe24a | 11381 | struct drm_i915_gem_object *obj) |
84c33a64 | 11382 | { |
b2cfe0ab CW |
11383 | struct intel_mmio_flip *mmio_flip; |
11384 | ||
11385 | mmio_flip = kmalloc(sizeof(*mmio_flip), GFP_KERNEL); | |
11386 | if (mmio_flip == NULL) | |
11387 | return -ENOMEM; | |
84c33a64 | 11388 | |
bcafc4e3 | 11389 | mmio_flip->i915 = to_i915(dev); |
eed29a5b | 11390 | mmio_flip->req = i915_gem_request_reference(obj->last_write_req); |
b2cfe0ab | 11391 | mmio_flip->crtc = to_intel_crtc(crtc); |
86efe24a | 11392 | mmio_flip->rotation = crtc->primary->state->rotation; |
536f5b5e | 11393 | |
b2cfe0ab CW |
11394 | INIT_WORK(&mmio_flip->work, intel_mmio_flip_work_func); |
11395 | schedule_work(&mmio_flip->work); | |
84c33a64 | 11396 | |
84c33a64 SG |
11397 | return 0; |
11398 | } | |
11399 | ||
8c9f3aaf JB |
11400 | static int intel_default_queue_flip(struct drm_device *dev, |
11401 | struct drm_crtc *crtc, | |
11402 | struct drm_framebuffer *fb, | |
ed8d1975 | 11403 | struct drm_i915_gem_object *obj, |
6258fbe2 | 11404 | struct drm_i915_gem_request *req, |
ed8d1975 | 11405 | uint32_t flags) |
8c9f3aaf JB |
11406 | { |
11407 | return -ENODEV; | |
11408 | } | |
11409 | ||
d6bbafa1 CW |
11410 | static bool __intel_pageflip_stall_check(struct drm_device *dev, |
11411 | struct drm_crtc *crtc) | |
11412 | { | |
11413 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11414 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11415 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
11416 | u32 addr; | |
11417 | ||
11418 | if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE) | |
11419 | return true; | |
11420 | ||
908565c2 CW |
11421 | if (atomic_read(&work->pending) < INTEL_FLIP_PENDING) |
11422 | return false; | |
11423 | ||
d6bbafa1 CW |
11424 | if (!work->enable_stall_check) |
11425 | return false; | |
11426 | ||
11427 | if (work->flip_ready_vblank == 0) { | |
3a8a946e DV |
11428 | if (work->flip_queued_req && |
11429 | !i915_gem_request_completed(work->flip_queued_req, true)) | |
d6bbafa1 CW |
11430 | return false; |
11431 | ||
1e3feefd | 11432 | work->flip_ready_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 CW |
11433 | } |
11434 | ||
1e3feefd | 11435 | if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3) |
d6bbafa1 CW |
11436 | return false; |
11437 | ||
11438 | /* Potential stall - if we see that the flip has happened, | |
11439 | * assume a missed interrupt. */ | |
11440 | if (INTEL_INFO(dev)->gen >= 4) | |
11441 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane))); | |
11442 | else | |
11443 | addr = I915_READ(DSPADDR(intel_crtc->plane)); | |
11444 | ||
11445 | /* There is a potential issue here with a false positive after a flip | |
11446 | * to the same address. We could address this by checking for a | |
11447 | * non-incrementing frame counter. | |
11448 | */ | |
11449 | return addr == work->gtt_offset; | |
11450 | } | |
11451 | ||
11452 | void intel_check_page_flip(struct drm_device *dev, int pipe) | |
11453 | { | |
11454 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11455 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
11456 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6ad790c0 | 11457 | struct intel_unpin_work *work; |
f326038a | 11458 | |
6c51d46f | 11459 | WARN_ON(!in_interrupt()); |
d6bbafa1 CW |
11460 | |
11461 | if (crtc == NULL) | |
11462 | return; | |
11463 | ||
f326038a | 11464 | spin_lock(&dev->event_lock); |
6ad790c0 CW |
11465 | work = intel_crtc->unpin_work; |
11466 | if (work != NULL && __intel_pageflip_stall_check(dev, crtc)) { | |
d6bbafa1 | 11467 | WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n", |
6ad790c0 | 11468 | work->flip_queued_vblank, drm_vblank_count(dev, pipe)); |
d6bbafa1 | 11469 | page_flip_completed(intel_crtc); |
6ad790c0 | 11470 | work = NULL; |
d6bbafa1 | 11471 | } |
6ad790c0 CW |
11472 | if (work != NULL && |
11473 | drm_vblank_count(dev, pipe) - work->flip_queued_vblank > 1) | |
11474 | intel_queue_rps_boost_for_request(dev, work->flip_queued_req); | |
f326038a | 11475 | spin_unlock(&dev->event_lock); |
d6bbafa1 CW |
11476 | } |
11477 | ||
6b95a207 KH |
11478 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
11479 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
11480 | struct drm_pending_vblank_event *event, |
11481 | uint32_t page_flip_flags) | |
6b95a207 KH |
11482 | { |
11483 | struct drm_device *dev = crtc->dev; | |
11484 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f4510a27 | 11485 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
2ff8fde1 | 11486 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
6b95a207 | 11487 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
455a6808 | 11488 | struct drm_plane *primary = crtc->primary; |
a071fa00 | 11489 | enum pipe pipe = intel_crtc->pipe; |
6b95a207 | 11490 | struct intel_unpin_work *work; |
a4872ba6 | 11491 | struct intel_engine_cs *ring; |
cf5d8a46 | 11492 | bool mmio_flip; |
91af127f | 11493 | struct drm_i915_gem_request *request = NULL; |
52e68630 | 11494 | int ret; |
6b95a207 | 11495 | |
2ff8fde1 MR |
11496 | /* |
11497 | * drm_mode_page_flip_ioctl() should already catch this, but double | |
11498 | * check to be safe. In the future we may enable pageflipping from | |
11499 | * a disabled primary plane. | |
11500 | */ | |
11501 | if (WARN_ON(intel_fb_obj(old_fb) == NULL)) | |
11502 | return -EBUSY; | |
11503 | ||
e6a595d2 | 11504 | /* Can't change pixel format via MI display flips. */ |
f4510a27 | 11505 | if (fb->pixel_format != crtc->primary->fb->pixel_format) |
e6a595d2 VS |
11506 | return -EINVAL; |
11507 | ||
11508 | /* | |
11509 | * TILEOFF/LINOFF registers can't be changed via MI display flips. | |
11510 | * Note that pitch changes could also affect these register. | |
11511 | */ | |
11512 | if (INTEL_INFO(dev)->gen > 3 && | |
f4510a27 MR |
11513 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || |
11514 | fb->pitches[0] != crtc->primary->fb->pitches[0])) | |
e6a595d2 VS |
11515 | return -EINVAL; |
11516 | ||
f900db47 CW |
11517 | if (i915_terminally_wedged(&dev_priv->gpu_error)) |
11518 | goto out_hang; | |
11519 | ||
b14c5679 | 11520 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
6b95a207 KH |
11521 | if (work == NULL) |
11522 | return -ENOMEM; | |
11523 | ||
6b95a207 | 11524 | work->event = event; |
b4a98e57 | 11525 | work->crtc = crtc; |
ab8d6675 | 11526 | work->old_fb = old_fb; |
6b95a207 KH |
11527 | INIT_WORK(&work->work, intel_unpin_work_fn); |
11528 | ||
87b6b101 | 11529 | ret = drm_crtc_vblank_get(crtc); |
7317c75e JB |
11530 | if (ret) |
11531 | goto free_work; | |
11532 | ||
6b95a207 | 11533 | /* We borrow the event spin lock for protecting unpin_work */ |
5e2d7afc | 11534 | spin_lock_irq(&dev->event_lock); |
6b95a207 | 11535 | if (intel_crtc->unpin_work) { |
d6bbafa1 CW |
11536 | /* Before declaring the flip queue wedged, check if |
11537 | * the hardware completed the operation behind our backs. | |
11538 | */ | |
11539 | if (__intel_pageflip_stall_check(dev, crtc)) { | |
11540 | DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n"); | |
11541 | page_flip_completed(intel_crtc); | |
11542 | } else { | |
11543 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
5e2d7afc | 11544 | spin_unlock_irq(&dev->event_lock); |
468f0b44 | 11545 | |
d6bbafa1 CW |
11546 | drm_crtc_vblank_put(crtc); |
11547 | kfree(work); | |
11548 | return -EBUSY; | |
11549 | } | |
6b95a207 KH |
11550 | } |
11551 | intel_crtc->unpin_work = work; | |
5e2d7afc | 11552 | spin_unlock_irq(&dev->event_lock); |
6b95a207 | 11553 | |
b4a98e57 CW |
11554 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
11555 | flush_workqueue(dev_priv->wq); | |
11556 | ||
75dfca80 | 11557 | /* Reference the objects for the scheduled work. */ |
ab8d6675 | 11558 | drm_framebuffer_reference(work->old_fb); |
05394f39 | 11559 | drm_gem_object_reference(&obj->base); |
6b95a207 | 11560 | |
f4510a27 | 11561 | crtc->primary->fb = fb; |
afd65eb4 | 11562 | update_state_fb(crtc->primary); |
e8216e50 | 11563 | intel_fbc_pre_update(intel_crtc); |
1ed1f968 | 11564 | |
e1f99ce6 | 11565 | work->pending_flip_obj = obj; |
e1f99ce6 | 11566 | |
89ed88ba CW |
11567 | ret = i915_mutex_lock_interruptible(dev); |
11568 | if (ret) | |
11569 | goto cleanup; | |
11570 | ||
b4a98e57 | 11571 | atomic_inc(&intel_crtc->unpin_work_count); |
10d83730 | 11572 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
e1f99ce6 | 11573 | |
75f7f3ec | 11574 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) |
fd8f507c | 11575 | work->flip_count = I915_READ(PIPE_FLIPCOUNT_G4X(pipe)) + 1; |
75f7f3ec | 11576 | |
666a4537 | 11577 | if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
4fa62c89 | 11578 | ring = &dev_priv->ring[BCS]; |
ab8d6675 | 11579 | if (obj->tiling_mode != intel_fb_obj(work->old_fb)->tiling_mode) |
8e09bf83 CW |
11580 | /* vlv: DISPLAY_FLIP fails to change tiling */ |
11581 | ring = NULL; | |
48bf5b2d | 11582 | } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { |
2a92d5bc | 11583 | ring = &dev_priv->ring[BCS]; |
4fa62c89 | 11584 | } else if (INTEL_INFO(dev)->gen >= 7) { |
b4716185 | 11585 | ring = i915_gem_request_get_ring(obj->last_write_req); |
4fa62c89 VS |
11586 | if (ring == NULL || ring->id != RCS) |
11587 | ring = &dev_priv->ring[BCS]; | |
11588 | } else { | |
11589 | ring = &dev_priv->ring[RCS]; | |
11590 | } | |
11591 | ||
cf5d8a46 CW |
11592 | mmio_flip = use_mmio_flip(ring, obj); |
11593 | ||
11594 | /* When using CS flips, we want to emit semaphores between rings. | |
11595 | * However, when using mmio flips we will create a task to do the | |
11596 | * synchronisation, so all we want here is to pin the framebuffer | |
11597 | * into the display plane and skip any waits. | |
11598 | */ | |
7580d774 ML |
11599 | if (!mmio_flip) { |
11600 | ret = i915_gem_object_sync(obj, ring, &request); | |
11601 | if (ret) | |
11602 | goto cleanup_pending; | |
11603 | } | |
11604 | ||
3465c580 | 11605 | ret = intel_pin_and_fence_fb_obj(fb, primary->state->rotation); |
8c9f3aaf JB |
11606 | if (ret) |
11607 | goto cleanup_pending; | |
6b95a207 | 11608 | |
dedf278c TU |
11609 | work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary), |
11610 | obj, 0); | |
11611 | work->gtt_offset += intel_crtc->dspaddr_offset; | |
4fa62c89 | 11612 | |
cf5d8a46 | 11613 | if (mmio_flip) { |
86efe24a | 11614 | ret = intel_queue_mmio_flip(dev, crtc, obj); |
d6bbafa1 CW |
11615 | if (ret) |
11616 | goto cleanup_unpin; | |
11617 | ||
f06cc1b9 JH |
11618 | i915_gem_request_assign(&work->flip_queued_req, |
11619 | obj->last_write_req); | |
d6bbafa1 | 11620 | } else { |
6258fbe2 | 11621 | if (!request) { |
26827088 DG |
11622 | request = i915_gem_request_alloc(ring, NULL); |
11623 | if (IS_ERR(request)) { | |
11624 | ret = PTR_ERR(request); | |
6258fbe2 | 11625 | goto cleanup_unpin; |
26827088 | 11626 | } |
6258fbe2 JH |
11627 | } |
11628 | ||
11629 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, request, | |
d6bbafa1 CW |
11630 | page_flip_flags); |
11631 | if (ret) | |
11632 | goto cleanup_unpin; | |
11633 | ||
6258fbe2 | 11634 | i915_gem_request_assign(&work->flip_queued_req, request); |
d6bbafa1 CW |
11635 | } |
11636 | ||
91af127f | 11637 | if (request) |
75289874 | 11638 | i915_add_request_no_flush(request); |
91af127f | 11639 | |
1e3feefd | 11640 | work->flip_queued_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 | 11641 | work->enable_stall_check = true; |
4fa62c89 | 11642 | |
ab8d6675 | 11643 | i915_gem_track_fb(intel_fb_obj(work->old_fb), obj, |
a9ff8714 | 11644 | to_intel_plane(primary)->frontbuffer_bit); |
c80ac854 | 11645 | mutex_unlock(&dev->struct_mutex); |
a071fa00 | 11646 | |
a9ff8714 VS |
11647 | intel_frontbuffer_flip_prepare(dev, |
11648 | to_intel_plane(primary)->frontbuffer_bit); | |
6b95a207 | 11649 | |
e5510fac JB |
11650 | trace_i915_flip_request(intel_crtc->plane, obj); |
11651 | ||
6b95a207 | 11652 | return 0; |
96b099fd | 11653 | |
4fa62c89 | 11654 | cleanup_unpin: |
3465c580 | 11655 | intel_unpin_fb_obj(fb, crtc->primary->state->rotation); |
8c9f3aaf | 11656 | cleanup_pending: |
0aa498d5 | 11657 | if (!IS_ERR_OR_NULL(request)) |
91af127f | 11658 | i915_gem_request_cancel(request); |
b4a98e57 | 11659 | atomic_dec(&intel_crtc->unpin_work_count); |
89ed88ba CW |
11660 | mutex_unlock(&dev->struct_mutex); |
11661 | cleanup: | |
f4510a27 | 11662 | crtc->primary->fb = old_fb; |
afd65eb4 | 11663 | update_state_fb(crtc->primary); |
89ed88ba CW |
11664 | |
11665 | drm_gem_object_unreference_unlocked(&obj->base); | |
ab8d6675 | 11666 | drm_framebuffer_unreference(work->old_fb); |
96b099fd | 11667 | |
5e2d7afc | 11668 | spin_lock_irq(&dev->event_lock); |
96b099fd | 11669 | intel_crtc->unpin_work = NULL; |
5e2d7afc | 11670 | spin_unlock_irq(&dev->event_lock); |
96b099fd | 11671 | |
87b6b101 | 11672 | drm_crtc_vblank_put(crtc); |
7317c75e | 11673 | free_work: |
96b099fd CW |
11674 | kfree(work); |
11675 | ||
f900db47 | 11676 | if (ret == -EIO) { |
02e0efb5 ML |
11677 | struct drm_atomic_state *state; |
11678 | struct drm_plane_state *plane_state; | |
11679 | ||
f900db47 | 11680 | out_hang: |
02e0efb5 ML |
11681 | state = drm_atomic_state_alloc(dev); |
11682 | if (!state) | |
11683 | return -ENOMEM; | |
11684 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); | |
11685 | ||
11686 | retry: | |
11687 | plane_state = drm_atomic_get_plane_state(state, primary); | |
11688 | ret = PTR_ERR_OR_ZERO(plane_state); | |
11689 | if (!ret) { | |
11690 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
11691 | ||
11692 | ret = drm_atomic_set_crtc_for_plane(plane_state, crtc); | |
11693 | if (!ret) | |
11694 | ret = drm_atomic_commit(state); | |
11695 | } | |
11696 | ||
11697 | if (ret == -EDEADLK) { | |
11698 | drm_modeset_backoff(state->acquire_ctx); | |
11699 | drm_atomic_state_clear(state); | |
11700 | goto retry; | |
11701 | } | |
11702 | ||
11703 | if (ret) | |
11704 | drm_atomic_state_free(state); | |
11705 | ||
f0d3dad3 | 11706 | if (ret == 0 && event) { |
5e2d7afc | 11707 | spin_lock_irq(&dev->event_lock); |
a071fa00 | 11708 | drm_send_vblank_event(dev, pipe, event); |
5e2d7afc | 11709 | spin_unlock_irq(&dev->event_lock); |
f0d3dad3 | 11710 | } |
f900db47 | 11711 | } |
96b099fd | 11712 | return ret; |
6b95a207 KH |
11713 | } |
11714 | ||
da20eabd ML |
11715 | |
11716 | /** | |
11717 | * intel_wm_need_update - Check whether watermarks need updating | |
11718 | * @plane: drm plane | |
11719 | * @state: new plane state | |
11720 | * | |
11721 | * Check current plane state versus the new one to determine whether | |
11722 | * watermarks need to be recalculated. | |
11723 | * | |
11724 | * Returns true or false. | |
11725 | */ | |
11726 | static bool intel_wm_need_update(struct drm_plane *plane, | |
11727 | struct drm_plane_state *state) | |
11728 | { | |
d21fbe87 MR |
11729 | struct intel_plane_state *new = to_intel_plane_state(state); |
11730 | struct intel_plane_state *cur = to_intel_plane_state(plane->state); | |
11731 | ||
11732 | /* Update watermarks on tiling or size changes. */ | |
92826fcd ML |
11733 | if (new->visible != cur->visible) |
11734 | return true; | |
11735 | ||
11736 | if (!cur->base.fb || !new->base.fb) | |
11737 | return false; | |
11738 | ||
11739 | if (cur->base.fb->modifier[0] != new->base.fb->modifier[0] || | |
11740 | cur->base.rotation != new->base.rotation || | |
d21fbe87 MR |
11741 | drm_rect_width(&new->src) != drm_rect_width(&cur->src) || |
11742 | drm_rect_height(&new->src) != drm_rect_height(&cur->src) || | |
11743 | drm_rect_width(&new->dst) != drm_rect_width(&cur->dst) || | |
11744 | drm_rect_height(&new->dst) != drm_rect_height(&cur->dst)) | |
2791a16c | 11745 | return true; |
7809e5ae | 11746 | |
2791a16c | 11747 | return false; |
7809e5ae MR |
11748 | } |
11749 | ||
d21fbe87 MR |
11750 | static bool needs_scaling(struct intel_plane_state *state) |
11751 | { | |
11752 | int src_w = drm_rect_width(&state->src) >> 16; | |
11753 | int src_h = drm_rect_height(&state->src) >> 16; | |
11754 | int dst_w = drm_rect_width(&state->dst); | |
11755 | int dst_h = drm_rect_height(&state->dst); | |
11756 | ||
11757 | return (src_w != dst_w || src_h != dst_h); | |
11758 | } | |
11759 | ||
da20eabd ML |
11760 | int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state, |
11761 | struct drm_plane_state *plane_state) | |
11762 | { | |
ab1d3a0e | 11763 | struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc_state); |
da20eabd ML |
11764 | struct drm_crtc *crtc = crtc_state->crtc; |
11765 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11766 | struct drm_plane *plane = plane_state->plane; | |
11767 | struct drm_device *dev = crtc->dev; | |
ed4a6a7c | 11768 | struct drm_i915_private *dev_priv = to_i915(dev); |
da20eabd ML |
11769 | struct intel_plane_state *old_plane_state = |
11770 | to_intel_plane_state(plane->state); | |
11771 | int idx = intel_crtc->base.base.id, ret; | |
da20eabd ML |
11772 | bool mode_changed = needs_modeset(crtc_state); |
11773 | bool was_crtc_enabled = crtc->state->active; | |
11774 | bool is_crtc_enabled = crtc_state->active; | |
da20eabd ML |
11775 | bool turn_off, turn_on, visible, was_visible; |
11776 | struct drm_framebuffer *fb = plane_state->fb; | |
11777 | ||
11778 | if (crtc_state && INTEL_INFO(dev)->gen >= 9 && | |
11779 | plane->type != DRM_PLANE_TYPE_CURSOR) { | |
11780 | ret = skl_update_scaler_plane( | |
11781 | to_intel_crtc_state(crtc_state), | |
11782 | to_intel_plane_state(plane_state)); | |
11783 | if (ret) | |
11784 | return ret; | |
11785 | } | |
11786 | ||
da20eabd ML |
11787 | was_visible = old_plane_state->visible; |
11788 | visible = to_intel_plane_state(plane_state)->visible; | |
11789 | ||
11790 | if (!was_crtc_enabled && WARN_ON(was_visible)) | |
11791 | was_visible = false; | |
11792 | ||
35c08f43 ML |
11793 | /* |
11794 | * Visibility is calculated as if the crtc was on, but | |
11795 | * after scaler setup everything depends on it being off | |
11796 | * when the crtc isn't active. | |
11797 | */ | |
11798 | if (!is_crtc_enabled) | |
11799 | to_intel_plane_state(plane_state)->visible = visible = false; | |
da20eabd ML |
11800 | |
11801 | if (!was_visible && !visible) | |
11802 | return 0; | |
11803 | ||
e8861675 ML |
11804 | if (fb != old_plane_state->base.fb) |
11805 | pipe_config->fb_changed = true; | |
11806 | ||
da20eabd ML |
11807 | turn_off = was_visible && (!visible || mode_changed); |
11808 | turn_on = visible && (!was_visible || mode_changed); | |
11809 | ||
11810 | DRM_DEBUG_ATOMIC("[CRTC:%i] has [PLANE:%i] with fb %i\n", idx, | |
11811 | plane->base.id, fb ? fb->base.id : -1); | |
11812 | ||
11813 | DRM_DEBUG_ATOMIC("[PLANE:%i] visible %i -> %i, off %i, on %i, ms %i\n", | |
11814 | plane->base.id, was_visible, visible, | |
11815 | turn_off, turn_on, mode_changed); | |
11816 | ||
caed361d VS |
11817 | if (turn_on) { |
11818 | pipe_config->update_wm_pre = true; | |
11819 | ||
11820 | /* must disable cxsr around plane enable/disable */ | |
11821 | if (plane->type != DRM_PLANE_TYPE_CURSOR) | |
11822 | pipe_config->disable_cxsr = true; | |
11823 | } else if (turn_off) { | |
11824 | pipe_config->update_wm_post = true; | |
92826fcd | 11825 | |
852eb00d | 11826 | /* must disable cxsr around plane enable/disable */ |
e8861675 | 11827 | if (plane->type != DRM_PLANE_TYPE_CURSOR) |
ab1d3a0e | 11828 | pipe_config->disable_cxsr = true; |
852eb00d | 11829 | } else if (intel_wm_need_update(plane, plane_state)) { |
caed361d VS |
11830 | /* FIXME bollocks */ |
11831 | pipe_config->update_wm_pre = true; | |
11832 | pipe_config->update_wm_post = true; | |
852eb00d | 11833 | } |
da20eabd | 11834 | |
ed4a6a7c | 11835 | /* Pre-gen9 platforms need two-step watermark updates */ |
caed361d VS |
11836 | if ((pipe_config->update_wm_pre || pipe_config->update_wm_post) && |
11837 | INTEL_INFO(dev)->gen < 9 && dev_priv->display.optimize_watermarks) | |
ed4a6a7c MR |
11838 | to_intel_crtc_state(crtc_state)->wm.need_postvbl_update = true; |
11839 | ||
8be6ca85 | 11840 | if (visible || was_visible) |
cd202f69 | 11841 | pipe_config->fb_bits |= to_intel_plane(plane)->frontbuffer_bit; |
a9ff8714 | 11842 | |
31ae71fc ML |
11843 | /* |
11844 | * WaCxSRDisabledForSpriteScaling:ivb | |
11845 | * | |
11846 | * cstate->update_wm was already set above, so this flag will | |
11847 | * take effect when we commit and program watermarks. | |
11848 | */ | |
11849 | if (plane->type == DRM_PLANE_TYPE_OVERLAY && IS_IVYBRIDGE(dev) && | |
11850 | needs_scaling(to_intel_plane_state(plane_state)) && | |
11851 | !needs_scaling(old_plane_state)) | |
11852 | pipe_config->disable_lp_wm = true; | |
d21fbe87 | 11853 | |
da20eabd ML |
11854 | return 0; |
11855 | } | |
11856 | ||
6d3a1ce7 ML |
11857 | static bool encoders_cloneable(const struct intel_encoder *a, |
11858 | const struct intel_encoder *b) | |
11859 | { | |
11860 | /* masks could be asymmetric, so check both ways */ | |
11861 | return a == b || (a->cloneable & (1 << b->type) && | |
11862 | b->cloneable & (1 << a->type)); | |
11863 | } | |
11864 | ||
11865 | static bool check_single_encoder_cloning(struct drm_atomic_state *state, | |
11866 | struct intel_crtc *crtc, | |
11867 | struct intel_encoder *encoder) | |
11868 | { | |
11869 | struct intel_encoder *source_encoder; | |
11870 | struct drm_connector *connector; | |
11871 | struct drm_connector_state *connector_state; | |
11872 | int i; | |
11873 | ||
11874 | for_each_connector_in_state(state, connector, connector_state, i) { | |
11875 | if (connector_state->crtc != &crtc->base) | |
11876 | continue; | |
11877 | ||
11878 | source_encoder = | |
11879 | to_intel_encoder(connector_state->best_encoder); | |
11880 | if (!encoders_cloneable(encoder, source_encoder)) | |
11881 | return false; | |
11882 | } | |
11883 | ||
11884 | return true; | |
11885 | } | |
11886 | ||
11887 | static bool check_encoder_cloning(struct drm_atomic_state *state, | |
11888 | struct intel_crtc *crtc) | |
11889 | { | |
11890 | struct intel_encoder *encoder; | |
11891 | struct drm_connector *connector; | |
11892 | struct drm_connector_state *connector_state; | |
11893 | int i; | |
11894 | ||
11895 | for_each_connector_in_state(state, connector, connector_state, i) { | |
11896 | if (connector_state->crtc != &crtc->base) | |
11897 | continue; | |
11898 | ||
11899 | encoder = to_intel_encoder(connector_state->best_encoder); | |
11900 | if (!check_single_encoder_cloning(state, crtc, encoder)) | |
11901 | return false; | |
11902 | } | |
11903 | ||
11904 | return true; | |
11905 | } | |
11906 | ||
11907 | static int intel_crtc_atomic_check(struct drm_crtc *crtc, | |
11908 | struct drm_crtc_state *crtc_state) | |
11909 | { | |
cf5a15be | 11910 | struct drm_device *dev = crtc->dev; |
ad421372 | 11911 | struct drm_i915_private *dev_priv = dev->dev_private; |
6d3a1ce7 | 11912 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cf5a15be ML |
11913 | struct intel_crtc_state *pipe_config = |
11914 | to_intel_crtc_state(crtc_state); | |
6d3a1ce7 | 11915 | struct drm_atomic_state *state = crtc_state->state; |
4d20cd86 | 11916 | int ret; |
6d3a1ce7 ML |
11917 | bool mode_changed = needs_modeset(crtc_state); |
11918 | ||
11919 | if (mode_changed && !check_encoder_cloning(state, intel_crtc)) { | |
11920 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); | |
11921 | return -EINVAL; | |
11922 | } | |
11923 | ||
852eb00d | 11924 | if (mode_changed && !crtc_state->active) |
caed361d | 11925 | pipe_config->update_wm_post = true; |
eddfcbcd | 11926 | |
ad421372 ML |
11927 | if (mode_changed && crtc_state->enable && |
11928 | dev_priv->display.crtc_compute_clock && | |
8106ddbd | 11929 | !WARN_ON(pipe_config->shared_dpll)) { |
ad421372 ML |
11930 | ret = dev_priv->display.crtc_compute_clock(intel_crtc, |
11931 | pipe_config); | |
11932 | if (ret) | |
11933 | return ret; | |
11934 | } | |
11935 | ||
e435d6e5 | 11936 | ret = 0; |
86c8bbbe | 11937 | if (dev_priv->display.compute_pipe_wm) { |
e3bddded | 11938 | ret = dev_priv->display.compute_pipe_wm(pipe_config); |
ed4a6a7c MR |
11939 | if (ret) { |
11940 | DRM_DEBUG_KMS("Target pipe watermarks are invalid\n"); | |
11941 | return ret; | |
11942 | } | |
11943 | } | |
11944 | ||
11945 | if (dev_priv->display.compute_intermediate_wm && | |
11946 | !to_intel_atomic_state(state)->skip_intermediate_wm) { | |
11947 | if (WARN_ON(!dev_priv->display.compute_pipe_wm)) | |
11948 | return 0; | |
11949 | ||
11950 | /* | |
11951 | * Calculate 'intermediate' watermarks that satisfy both the | |
11952 | * old state and the new state. We can program these | |
11953 | * immediately. | |
11954 | */ | |
11955 | ret = dev_priv->display.compute_intermediate_wm(crtc->dev, | |
11956 | intel_crtc, | |
11957 | pipe_config); | |
11958 | if (ret) { | |
11959 | DRM_DEBUG_KMS("No valid intermediate pipe watermarks are possible\n"); | |
86c8bbbe | 11960 | return ret; |
ed4a6a7c | 11961 | } |
86c8bbbe MR |
11962 | } |
11963 | ||
e435d6e5 ML |
11964 | if (INTEL_INFO(dev)->gen >= 9) { |
11965 | if (mode_changed) | |
11966 | ret = skl_update_scaler_crtc(pipe_config); | |
11967 | ||
11968 | if (!ret) | |
11969 | ret = intel_atomic_setup_scalers(dev, intel_crtc, | |
11970 | pipe_config); | |
11971 | } | |
11972 | ||
11973 | return ret; | |
6d3a1ce7 ML |
11974 | } |
11975 | ||
65b38e0d | 11976 | static const struct drm_crtc_helper_funcs intel_helper_funcs = { |
f6e5b160 CW |
11977 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
11978 | .load_lut = intel_crtc_load_lut, | |
ea2c67bb MR |
11979 | .atomic_begin = intel_begin_crtc_commit, |
11980 | .atomic_flush = intel_finish_crtc_commit, | |
6d3a1ce7 | 11981 | .atomic_check = intel_crtc_atomic_check, |
f6e5b160 CW |
11982 | }; |
11983 | ||
d29b2f9d ACO |
11984 | static void intel_modeset_update_connector_atomic_state(struct drm_device *dev) |
11985 | { | |
11986 | struct intel_connector *connector; | |
11987 | ||
11988 | for_each_intel_connector(dev, connector) { | |
11989 | if (connector->base.encoder) { | |
11990 | connector->base.state->best_encoder = | |
11991 | connector->base.encoder; | |
11992 | connector->base.state->crtc = | |
11993 | connector->base.encoder->crtc; | |
11994 | } else { | |
11995 | connector->base.state->best_encoder = NULL; | |
11996 | connector->base.state->crtc = NULL; | |
11997 | } | |
11998 | } | |
11999 | } | |
12000 | ||
050f7aeb | 12001 | static void |
eba905b2 | 12002 | connected_sink_compute_bpp(struct intel_connector *connector, |
5cec258b | 12003 | struct intel_crtc_state *pipe_config) |
050f7aeb DV |
12004 | { |
12005 | int bpp = pipe_config->pipe_bpp; | |
12006 | ||
12007 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", | |
12008 | connector->base.base.id, | |
c23cc417 | 12009 | connector->base.name); |
050f7aeb DV |
12010 | |
12011 | /* Don't use an invalid EDID bpc value */ | |
12012 | if (connector->base.display_info.bpc && | |
12013 | connector->base.display_info.bpc * 3 < bpp) { | |
12014 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", | |
12015 | bpp, connector->base.display_info.bpc*3); | |
12016 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; | |
12017 | } | |
12018 | ||
013dd9e0 JN |
12019 | /* Clamp bpp to default limit on screens without EDID 1.4 */ |
12020 | if (connector->base.display_info.bpc == 0) { | |
12021 | int type = connector->base.connector_type; | |
12022 | int clamp_bpp = 24; | |
12023 | ||
12024 | /* Fall back to 18 bpp when DP sink capability is unknown. */ | |
12025 | if (type == DRM_MODE_CONNECTOR_DisplayPort || | |
12026 | type == DRM_MODE_CONNECTOR_eDP) | |
12027 | clamp_bpp = 18; | |
12028 | ||
12029 | if (bpp > clamp_bpp) { | |
12030 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of %d\n", | |
12031 | bpp, clamp_bpp); | |
12032 | pipe_config->pipe_bpp = clamp_bpp; | |
12033 | } | |
050f7aeb DV |
12034 | } |
12035 | } | |
12036 | ||
4e53c2e0 | 12037 | static int |
050f7aeb | 12038 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
5cec258b | 12039 | struct intel_crtc_state *pipe_config) |
4e53c2e0 | 12040 | { |
050f7aeb | 12041 | struct drm_device *dev = crtc->base.dev; |
1486017f | 12042 | struct drm_atomic_state *state; |
da3ced29 ACO |
12043 | struct drm_connector *connector; |
12044 | struct drm_connector_state *connector_state; | |
1486017f | 12045 | int bpp, i; |
4e53c2e0 | 12046 | |
666a4537 | 12047 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))) |
4e53c2e0 | 12048 | bpp = 10*3; |
d328c9d7 DV |
12049 | else if (INTEL_INFO(dev)->gen >= 5) |
12050 | bpp = 12*3; | |
12051 | else | |
12052 | bpp = 8*3; | |
12053 | ||
4e53c2e0 | 12054 | |
4e53c2e0 DV |
12055 | pipe_config->pipe_bpp = bpp; |
12056 | ||
1486017f ACO |
12057 | state = pipe_config->base.state; |
12058 | ||
4e53c2e0 | 12059 | /* Clamp display bpp to EDID value */ |
da3ced29 ACO |
12060 | for_each_connector_in_state(state, connector, connector_state, i) { |
12061 | if (connector_state->crtc != &crtc->base) | |
4e53c2e0 DV |
12062 | continue; |
12063 | ||
da3ced29 ACO |
12064 | connected_sink_compute_bpp(to_intel_connector(connector), |
12065 | pipe_config); | |
4e53c2e0 DV |
12066 | } |
12067 | ||
12068 | return bpp; | |
12069 | } | |
12070 | ||
644db711 DV |
12071 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
12072 | { | |
12073 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " | |
12074 | "type: 0x%x flags: 0x%x\n", | |
1342830c | 12075 | mode->crtc_clock, |
644db711 DV |
12076 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
12077 | mode->crtc_hsync_end, mode->crtc_htotal, | |
12078 | mode->crtc_vdisplay, mode->crtc_vsync_start, | |
12079 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); | |
12080 | } | |
12081 | ||
c0b03411 | 12082 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
5cec258b | 12083 | struct intel_crtc_state *pipe_config, |
c0b03411 DV |
12084 | const char *context) |
12085 | { | |
6a60cd87 CK |
12086 | struct drm_device *dev = crtc->base.dev; |
12087 | struct drm_plane *plane; | |
12088 | struct intel_plane *intel_plane; | |
12089 | struct intel_plane_state *state; | |
12090 | struct drm_framebuffer *fb; | |
12091 | ||
12092 | DRM_DEBUG_KMS("[CRTC:%d]%s config %p for pipe %c\n", crtc->base.base.id, | |
12093 | context, pipe_config, pipe_name(crtc->pipe)); | |
c0b03411 DV |
12094 | |
12095 | DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder)); | |
12096 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", | |
12097 | pipe_config->pipe_bpp, pipe_config->dither); | |
12098 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", | |
12099 | pipe_config->has_pch_encoder, | |
12100 | pipe_config->fdi_lanes, | |
12101 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, | |
12102 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, | |
12103 | pipe_config->fdi_m_n.tu); | |
90a6b7b0 | 12104 | DRM_DEBUG_KMS("dp: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
eb14cb74 | 12105 | pipe_config->has_dp_encoder, |
90a6b7b0 | 12106 | pipe_config->lane_count, |
eb14cb74 VS |
12107 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, |
12108 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, | |
12109 | pipe_config->dp_m_n.tu); | |
b95af8be | 12110 | |
90a6b7b0 | 12111 | DRM_DEBUG_KMS("dp: %i, lanes: %i, gmch_m2: %u, gmch_n2: %u, link_m2: %u, link_n2: %u, tu2: %u\n", |
b95af8be | 12112 | pipe_config->has_dp_encoder, |
90a6b7b0 | 12113 | pipe_config->lane_count, |
b95af8be VK |
12114 | pipe_config->dp_m2_n2.gmch_m, |
12115 | pipe_config->dp_m2_n2.gmch_n, | |
12116 | pipe_config->dp_m2_n2.link_m, | |
12117 | pipe_config->dp_m2_n2.link_n, | |
12118 | pipe_config->dp_m2_n2.tu); | |
12119 | ||
55072d19 DV |
12120 | DRM_DEBUG_KMS("audio: %i, infoframes: %i\n", |
12121 | pipe_config->has_audio, | |
12122 | pipe_config->has_infoframe); | |
12123 | ||
c0b03411 | 12124 | DRM_DEBUG_KMS("requested mode:\n"); |
2d112de7 | 12125 | drm_mode_debug_printmodeline(&pipe_config->base.mode); |
c0b03411 | 12126 | DRM_DEBUG_KMS("adjusted mode:\n"); |
2d112de7 ACO |
12127 | drm_mode_debug_printmodeline(&pipe_config->base.adjusted_mode); |
12128 | intel_dump_crtc_timings(&pipe_config->base.adjusted_mode); | |
d71b8d4a | 12129 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
37327abd VS |
12130 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
12131 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
0ec463d3 TU |
12132 | DRM_DEBUG_KMS("num_scalers: %d, scaler_users: 0x%x, scaler_id: %d\n", |
12133 | crtc->num_scalers, | |
12134 | pipe_config->scaler_state.scaler_users, | |
12135 | pipe_config->scaler_state.scaler_id); | |
c0b03411 DV |
12136 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
12137 | pipe_config->gmch_pfit.control, | |
12138 | pipe_config->gmch_pfit.pgm_ratios, | |
12139 | pipe_config->gmch_pfit.lvds_border_bits); | |
fd4daa9c | 12140 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
c0b03411 | 12141 | pipe_config->pch_pfit.pos, |
fd4daa9c CW |
12142 | pipe_config->pch_pfit.size, |
12143 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); | |
42db64ef | 12144 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
cf532bb2 | 12145 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
6a60cd87 | 12146 | |
415ff0f6 | 12147 | if (IS_BROXTON(dev)) { |
05712c15 | 12148 | DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x," |
415ff0f6 | 12149 | "pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, " |
c8453338 | 12150 | "pll6: 0x%x, pll8: 0x%x, pll9: 0x%x, pll10: 0x%x, pcsdw12: 0x%x\n", |
415ff0f6 TU |
12151 | pipe_config->ddi_pll_sel, |
12152 | pipe_config->dpll_hw_state.ebb0, | |
05712c15 | 12153 | pipe_config->dpll_hw_state.ebb4, |
415ff0f6 TU |
12154 | pipe_config->dpll_hw_state.pll0, |
12155 | pipe_config->dpll_hw_state.pll1, | |
12156 | pipe_config->dpll_hw_state.pll2, | |
12157 | pipe_config->dpll_hw_state.pll3, | |
12158 | pipe_config->dpll_hw_state.pll6, | |
12159 | pipe_config->dpll_hw_state.pll8, | |
05712c15 | 12160 | pipe_config->dpll_hw_state.pll9, |
c8453338 | 12161 | pipe_config->dpll_hw_state.pll10, |
415ff0f6 | 12162 | pipe_config->dpll_hw_state.pcsdw12); |
ef11bdb3 | 12163 | } else if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { |
415ff0f6 TU |
12164 | DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: " |
12165 | "ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n", | |
12166 | pipe_config->ddi_pll_sel, | |
12167 | pipe_config->dpll_hw_state.ctrl1, | |
12168 | pipe_config->dpll_hw_state.cfgcr1, | |
12169 | pipe_config->dpll_hw_state.cfgcr2); | |
12170 | } else if (HAS_DDI(dev)) { | |
1260f07e | 12171 | DRM_DEBUG_KMS("ddi_pll_sel: 0x%x; dpll_hw_state: wrpll: 0x%x spll: 0x%x\n", |
415ff0f6 | 12172 | pipe_config->ddi_pll_sel, |
00490c22 ML |
12173 | pipe_config->dpll_hw_state.wrpll, |
12174 | pipe_config->dpll_hw_state.spll); | |
415ff0f6 TU |
12175 | } else { |
12176 | DRM_DEBUG_KMS("dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, " | |
12177 | "fp0: 0x%x, fp1: 0x%x\n", | |
12178 | pipe_config->dpll_hw_state.dpll, | |
12179 | pipe_config->dpll_hw_state.dpll_md, | |
12180 | pipe_config->dpll_hw_state.fp0, | |
12181 | pipe_config->dpll_hw_state.fp1); | |
12182 | } | |
12183 | ||
6a60cd87 CK |
12184 | DRM_DEBUG_KMS("planes on this crtc\n"); |
12185 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { | |
12186 | intel_plane = to_intel_plane(plane); | |
12187 | if (intel_plane->pipe != crtc->pipe) | |
12188 | continue; | |
12189 | ||
12190 | state = to_intel_plane_state(plane->state); | |
12191 | fb = state->base.fb; | |
12192 | if (!fb) { | |
12193 | DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d " | |
12194 | "disabled, scaler_id = %d\n", | |
12195 | plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD", | |
12196 | plane->base.id, intel_plane->pipe, | |
12197 | (crtc->base.primary == plane) ? 0 : intel_plane->plane + 1, | |
12198 | drm_plane_index(plane), state->scaler_id); | |
12199 | continue; | |
12200 | } | |
12201 | ||
12202 | DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d enabled", | |
12203 | plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD", | |
12204 | plane->base.id, intel_plane->pipe, | |
12205 | crtc->base.primary == plane ? 0 : intel_plane->plane + 1, | |
12206 | drm_plane_index(plane)); | |
12207 | DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = 0x%x", | |
12208 | fb->base.id, fb->width, fb->height, fb->pixel_format); | |
12209 | DRM_DEBUG_KMS("\tscaler:%d src (%u, %u) %ux%u dst (%u, %u) %ux%u\n", | |
12210 | state->scaler_id, | |
12211 | state->src.x1 >> 16, state->src.y1 >> 16, | |
12212 | drm_rect_width(&state->src) >> 16, | |
12213 | drm_rect_height(&state->src) >> 16, | |
12214 | state->dst.x1, state->dst.y1, | |
12215 | drm_rect_width(&state->dst), drm_rect_height(&state->dst)); | |
12216 | } | |
c0b03411 DV |
12217 | } |
12218 | ||
5448a00d | 12219 | static bool check_digital_port_conflicts(struct drm_atomic_state *state) |
00f0b378 | 12220 | { |
5448a00d | 12221 | struct drm_device *dev = state->dev; |
da3ced29 | 12222 | struct drm_connector *connector; |
00f0b378 VS |
12223 | unsigned int used_ports = 0; |
12224 | ||
12225 | /* | |
12226 | * Walk the connector list instead of the encoder | |
12227 | * list to detect the problem on ddi platforms | |
12228 | * where there's just one encoder per digital port. | |
12229 | */ | |
0bff4858 VS |
12230 | drm_for_each_connector(connector, dev) { |
12231 | struct drm_connector_state *connector_state; | |
12232 | struct intel_encoder *encoder; | |
12233 | ||
12234 | connector_state = drm_atomic_get_existing_connector_state(state, connector); | |
12235 | if (!connector_state) | |
12236 | connector_state = connector->state; | |
12237 | ||
5448a00d | 12238 | if (!connector_state->best_encoder) |
00f0b378 VS |
12239 | continue; |
12240 | ||
5448a00d ACO |
12241 | encoder = to_intel_encoder(connector_state->best_encoder); |
12242 | ||
12243 | WARN_ON(!connector_state->crtc); | |
00f0b378 VS |
12244 | |
12245 | switch (encoder->type) { | |
12246 | unsigned int port_mask; | |
12247 | case INTEL_OUTPUT_UNKNOWN: | |
12248 | if (WARN_ON(!HAS_DDI(dev))) | |
12249 | break; | |
12250 | case INTEL_OUTPUT_DISPLAYPORT: | |
12251 | case INTEL_OUTPUT_HDMI: | |
12252 | case INTEL_OUTPUT_EDP: | |
12253 | port_mask = 1 << enc_to_dig_port(&encoder->base)->port; | |
12254 | ||
12255 | /* the same port mustn't appear more than once */ | |
12256 | if (used_ports & port_mask) | |
12257 | return false; | |
12258 | ||
12259 | used_ports |= port_mask; | |
12260 | default: | |
12261 | break; | |
12262 | } | |
12263 | } | |
12264 | ||
12265 | return true; | |
12266 | } | |
12267 | ||
83a57153 ACO |
12268 | static void |
12269 | clear_intel_crtc_state(struct intel_crtc_state *crtc_state) | |
12270 | { | |
12271 | struct drm_crtc_state tmp_state; | |
663a3640 | 12272 | struct intel_crtc_scaler_state scaler_state; |
4978cc93 | 12273 | struct intel_dpll_hw_state dpll_hw_state; |
8106ddbd | 12274 | struct intel_shared_dpll *shared_dpll; |
8504c74c | 12275 | uint32_t ddi_pll_sel; |
c4e2d043 | 12276 | bool force_thru; |
83a57153 | 12277 | |
7546a384 ACO |
12278 | /* FIXME: before the switch to atomic started, a new pipe_config was |
12279 | * kzalloc'd. Code that depends on any field being zero should be | |
12280 | * fixed, so that the crtc_state can be safely duplicated. For now, | |
12281 | * only fields that are know to not cause problems are preserved. */ | |
12282 | ||
83a57153 | 12283 | tmp_state = crtc_state->base; |
663a3640 | 12284 | scaler_state = crtc_state->scaler_state; |
4978cc93 ACO |
12285 | shared_dpll = crtc_state->shared_dpll; |
12286 | dpll_hw_state = crtc_state->dpll_hw_state; | |
8504c74c | 12287 | ddi_pll_sel = crtc_state->ddi_pll_sel; |
c4e2d043 | 12288 | force_thru = crtc_state->pch_pfit.force_thru; |
4978cc93 | 12289 | |
83a57153 | 12290 | memset(crtc_state, 0, sizeof *crtc_state); |
4978cc93 | 12291 | |
83a57153 | 12292 | crtc_state->base = tmp_state; |
663a3640 | 12293 | crtc_state->scaler_state = scaler_state; |
4978cc93 ACO |
12294 | crtc_state->shared_dpll = shared_dpll; |
12295 | crtc_state->dpll_hw_state = dpll_hw_state; | |
8504c74c | 12296 | crtc_state->ddi_pll_sel = ddi_pll_sel; |
c4e2d043 | 12297 | crtc_state->pch_pfit.force_thru = force_thru; |
83a57153 ACO |
12298 | } |
12299 | ||
548ee15b | 12300 | static int |
b8cecdf5 | 12301 | intel_modeset_pipe_config(struct drm_crtc *crtc, |
b359283a | 12302 | struct intel_crtc_state *pipe_config) |
ee7b9f93 | 12303 | { |
b359283a | 12304 | struct drm_atomic_state *state = pipe_config->base.state; |
7758a113 | 12305 | struct intel_encoder *encoder; |
da3ced29 | 12306 | struct drm_connector *connector; |
0b901879 | 12307 | struct drm_connector_state *connector_state; |
d328c9d7 | 12308 | int base_bpp, ret = -EINVAL; |
0b901879 | 12309 | int i; |
e29c22c0 | 12310 | bool retry = true; |
ee7b9f93 | 12311 | |
83a57153 | 12312 | clear_intel_crtc_state(pipe_config); |
7758a113 | 12313 | |
e143a21c DV |
12314 | pipe_config->cpu_transcoder = |
12315 | (enum transcoder) to_intel_crtc(crtc)->pipe; | |
b8cecdf5 | 12316 | |
2960bc9c ID |
12317 | /* |
12318 | * Sanitize sync polarity flags based on requested ones. If neither | |
12319 | * positive or negative polarity is requested, treat this as meaning | |
12320 | * negative polarity. | |
12321 | */ | |
2d112de7 | 12322 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 12323 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) |
2d112de7 | 12324 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; |
2960bc9c | 12325 | |
2d112de7 | 12326 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 12327 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) |
2d112de7 | 12328 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; |
2960bc9c | 12329 | |
d328c9d7 DV |
12330 | base_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), |
12331 | pipe_config); | |
12332 | if (base_bpp < 0) | |
4e53c2e0 DV |
12333 | goto fail; |
12334 | ||
e41a56be VS |
12335 | /* |
12336 | * Determine the real pipe dimensions. Note that stereo modes can | |
12337 | * increase the actual pipe size due to the frame doubling and | |
12338 | * insertion of additional space for blanks between the frame. This | |
12339 | * is stored in the crtc timings. We use the requested mode to do this | |
12340 | * computation to clearly distinguish it from the adjusted mode, which | |
12341 | * can be changed by the connectors in the below retry loop. | |
12342 | */ | |
2d112de7 | 12343 | drm_crtc_get_hv_timing(&pipe_config->base.mode, |
ecb7e16b GP |
12344 | &pipe_config->pipe_src_w, |
12345 | &pipe_config->pipe_src_h); | |
e41a56be | 12346 | |
e29c22c0 | 12347 | encoder_retry: |
ef1b460d | 12348 | /* Ensure the port clock defaults are reset when retrying. */ |
ff9a6750 | 12349 | pipe_config->port_clock = 0; |
ef1b460d | 12350 | pipe_config->pixel_multiplier = 1; |
ff9a6750 | 12351 | |
135c81b8 | 12352 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
2d112de7 ACO |
12353 | drm_mode_set_crtcinfo(&pipe_config->base.adjusted_mode, |
12354 | CRTC_STEREO_DOUBLE); | |
135c81b8 | 12355 | |
7758a113 DV |
12356 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
12357 | * adjust it according to limitations or connector properties, and also | |
12358 | * a chance to reject the mode entirely. | |
47f1c6c9 | 12359 | */ |
da3ced29 | 12360 | for_each_connector_in_state(state, connector, connector_state, i) { |
0b901879 | 12361 | if (connector_state->crtc != crtc) |
7758a113 | 12362 | continue; |
7ae89233 | 12363 | |
0b901879 ACO |
12364 | encoder = to_intel_encoder(connector_state->best_encoder); |
12365 | ||
efea6e8e DV |
12366 | if (!(encoder->compute_config(encoder, pipe_config))) { |
12367 | DRM_DEBUG_KMS("Encoder config failure\n"); | |
7758a113 DV |
12368 | goto fail; |
12369 | } | |
ee7b9f93 | 12370 | } |
47f1c6c9 | 12371 | |
ff9a6750 DV |
12372 | /* Set default port clock if not overwritten by the encoder. Needs to be |
12373 | * done afterwards in case the encoder adjusts the mode. */ | |
12374 | if (!pipe_config->port_clock) | |
2d112de7 | 12375 | pipe_config->port_clock = pipe_config->base.adjusted_mode.crtc_clock |
241bfc38 | 12376 | * pipe_config->pixel_multiplier; |
ff9a6750 | 12377 | |
a43f6e0f | 12378 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
e29c22c0 | 12379 | if (ret < 0) { |
7758a113 DV |
12380 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
12381 | goto fail; | |
ee7b9f93 | 12382 | } |
e29c22c0 DV |
12383 | |
12384 | if (ret == RETRY) { | |
12385 | if (WARN(!retry, "loop in pipe configuration computation\n")) { | |
12386 | ret = -EINVAL; | |
12387 | goto fail; | |
12388 | } | |
12389 | ||
12390 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); | |
12391 | retry = false; | |
12392 | goto encoder_retry; | |
12393 | } | |
12394 | ||
e8fa4270 DV |
12395 | /* Dithering seems to not pass-through bits correctly when it should, so |
12396 | * only enable it on 6bpc panels. */ | |
12397 | pipe_config->dither = pipe_config->pipe_bpp == 6*3; | |
62f0ace5 | 12398 | DRM_DEBUG_KMS("hw max bpp: %i, pipe bpp: %i, dithering: %i\n", |
d328c9d7 | 12399 | base_bpp, pipe_config->pipe_bpp, pipe_config->dither); |
4e53c2e0 | 12400 | |
7758a113 | 12401 | fail: |
548ee15b | 12402 | return ret; |
ee7b9f93 | 12403 | } |
47f1c6c9 | 12404 | |
ea9d758d | 12405 | static void |
4740b0f2 | 12406 | intel_modeset_update_crtc_state(struct drm_atomic_state *state) |
ea9d758d | 12407 | { |
0a9ab303 ACO |
12408 | struct drm_crtc *crtc; |
12409 | struct drm_crtc_state *crtc_state; | |
8a75d157 | 12410 | int i; |
ea9d758d | 12411 | |
7668851f | 12412 | /* Double check state. */ |
8a75d157 | 12413 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
3cb480bc | 12414 | to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state); |
fc467a22 ML |
12415 | |
12416 | /* Update hwmode for vblank functions */ | |
12417 | if (crtc->state->active) | |
12418 | crtc->hwmode = crtc->state->adjusted_mode; | |
12419 | else | |
12420 | crtc->hwmode.crtc_clock = 0; | |
61067a5e ML |
12421 | |
12422 | /* | |
12423 | * Update legacy state to satisfy fbc code. This can | |
12424 | * be removed when fbc uses the atomic state. | |
12425 | */ | |
12426 | if (drm_atomic_get_existing_plane_state(state, crtc->primary)) { | |
12427 | struct drm_plane_state *plane_state = crtc->primary->state; | |
12428 | ||
12429 | crtc->primary->fb = plane_state->fb; | |
12430 | crtc->x = plane_state->src_x >> 16; | |
12431 | crtc->y = plane_state->src_y >> 16; | |
12432 | } | |
ea9d758d | 12433 | } |
ea9d758d DV |
12434 | } |
12435 | ||
3bd26263 | 12436 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
f1f644dc | 12437 | { |
3bd26263 | 12438 | int diff; |
f1f644dc JB |
12439 | |
12440 | if (clock1 == clock2) | |
12441 | return true; | |
12442 | ||
12443 | if (!clock1 || !clock2) | |
12444 | return false; | |
12445 | ||
12446 | diff = abs(clock1 - clock2); | |
12447 | ||
12448 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) | |
12449 | return true; | |
12450 | ||
12451 | return false; | |
12452 | } | |
12453 | ||
25c5b266 DV |
12454 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
12455 | list_for_each_entry((intel_crtc), \ | |
12456 | &(dev)->mode_config.crtc_list, \ | |
12457 | base.head) \ | |
95150bdf | 12458 | for_each_if (mask & (1 <<(intel_crtc)->pipe)) |
25c5b266 | 12459 | |
cfb23ed6 ML |
12460 | static bool |
12461 | intel_compare_m_n(unsigned int m, unsigned int n, | |
12462 | unsigned int m2, unsigned int n2, | |
12463 | bool exact) | |
12464 | { | |
12465 | if (m == m2 && n == n2) | |
12466 | return true; | |
12467 | ||
12468 | if (exact || !m || !n || !m2 || !n2) | |
12469 | return false; | |
12470 | ||
12471 | BUILD_BUG_ON(DATA_LINK_M_N_MASK > INT_MAX); | |
12472 | ||
31d10b57 ML |
12473 | if (n > n2) { |
12474 | while (n > n2) { | |
cfb23ed6 ML |
12475 | m2 <<= 1; |
12476 | n2 <<= 1; | |
12477 | } | |
31d10b57 ML |
12478 | } else if (n < n2) { |
12479 | while (n < n2) { | |
cfb23ed6 ML |
12480 | m <<= 1; |
12481 | n <<= 1; | |
12482 | } | |
12483 | } | |
12484 | ||
31d10b57 ML |
12485 | if (n != n2) |
12486 | return false; | |
12487 | ||
12488 | return intel_fuzzy_clock_check(m, m2); | |
cfb23ed6 ML |
12489 | } |
12490 | ||
12491 | static bool | |
12492 | intel_compare_link_m_n(const struct intel_link_m_n *m_n, | |
12493 | struct intel_link_m_n *m2_n2, | |
12494 | bool adjust) | |
12495 | { | |
12496 | if (m_n->tu == m2_n2->tu && | |
12497 | intel_compare_m_n(m_n->gmch_m, m_n->gmch_n, | |
12498 | m2_n2->gmch_m, m2_n2->gmch_n, !adjust) && | |
12499 | intel_compare_m_n(m_n->link_m, m_n->link_n, | |
12500 | m2_n2->link_m, m2_n2->link_n, !adjust)) { | |
12501 | if (adjust) | |
12502 | *m2_n2 = *m_n; | |
12503 | ||
12504 | return true; | |
12505 | } | |
12506 | ||
12507 | return false; | |
12508 | } | |
12509 | ||
0e8ffe1b | 12510 | static bool |
2fa2fe9a | 12511 | intel_pipe_config_compare(struct drm_device *dev, |
5cec258b | 12512 | struct intel_crtc_state *current_config, |
cfb23ed6 ML |
12513 | struct intel_crtc_state *pipe_config, |
12514 | bool adjust) | |
0e8ffe1b | 12515 | { |
cfb23ed6 ML |
12516 | bool ret = true; |
12517 | ||
12518 | #define INTEL_ERR_OR_DBG_KMS(fmt, ...) \ | |
12519 | do { \ | |
12520 | if (!adjust) \ | |
12521 | DRM_ERROR(fmt, ##__VA_ARGS__); \ | |
12522 | else \ | |
12523 | DRM_DEBUG_KMS(fmt, ##__VA_ARGS__); \ | |
12524 | } while (0) | |
12525 | ||
66e985c0 DV |
12526 | #define PIPE_CONF_CHECK_X(name) \ |
12527 | if (current_config->name != pipe_config->name) { \ | |
cfb23ed6 | 12528 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
66e985c0 DV |
12529 | "(expected 0x%08x, found 0x%08x)\n", \ |
12530 | current_config->name, \ | |
12531 | pipe_config->name); \ | |
cfb23ed6 | 12532 | ret = false; \ |
66e985c0 DV |
12533 | } |
12534 | ||
08a24034 DV |
12535 | #define PIPE_CONF_CHECK_I(name) \ |
12536 | if (current_config->name != pipe_config->name) { \ | |
cfb23ed6 | 12537 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
08a24034 DV |
12538 | "(expected %i, found %i)\n", \ |
12539 | current_config->name, \ | |
12540 | pipe_config->name); \ | |
cfb23ed6 ML |
12541 | ret = false; \ |
12542 | } | |
12543 | ||
8106ddbd ACO |
12544 | #define PIPE_CONF_CHECK_P(name) \ |
12545 | if (current_config->name != pipe_config->name) { \ | |
12546 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ | |
12547 | "(expected %p, found %p)\n", \ | |
12548 | current_config->name, \ | |
12549 | pipe_config->name); \ | |
12550 | ret = false; \ | |
12551 | } | |
12552 | ||
cfb23ed6 ML |
12553 | #define PIPE_CONF_CHECK_M_N(name) \ |
12554 | if (!intel_compare_link_m_n(¤t_config->name, \ | |
12555 | &pipe_config->name,\ | |
12556 | adjust)) { \ | |
12557 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ | |
12558 | "(expected tu %i gmch %i/%i link %i/%i, " \ | |
12559 | "found tu %i, gmch %i/%i link %i/%i)\n", \ | |
12560 | current_config->name.tu, \ | |
12561 | current_config->name.gmch_m, \ | |
12562 | current_config->name.gmch_n, \ | |
12563 | current_config->name.link_m, \ | |
12564 | current_config->name.link_n, \ | |
12565 | pipe_config->name.tu, \ | |
12566 | pipe_config->name.gmch_m, \ | |
12567 | pipe_config->name.gmch_n, \ | |
12568 | pipe_config->name.link_m, \ | |
12569 | pipe_config->name.link_n); \ | |
12570 | ret = false; \ | |
12571 | } | |
12572 | ||
12573 | #define PIPE_CONF_CHECK_M_N_ALT(name, alt_name) \ | |
12574 | if (!intel_compare_link_m_n(¤t_config->name, \ | |
12575 | &pipe_config->name, adjust) && \ | |
12576 | !intel_compare_link_m_n(¤t_config->alt_name, \ | |
12577 | &pipe_config->name, adjust)) { \ | |
12578 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ | |
12579 | "(expected tu %i gmch %i/%i link %i/%i, " \ | |
12580 | "or tu %i gmch %i/%i link %i/%i, " \ | |
12581 | "found tu %i, gmch %i/%i link %i/%i)\n", \ | |
12582 | current_config->name.tu, \ | |
12583 | current_config->name.gmch_m, \ | |
12584 | current_config->name.gmch_n, \ | |
12585 | current_config->name.link_m, \ | |
12586 | current_config->name.link_n, \ | |
12587 | current_config->alt_name.tu, \ | |
12588 | current_config->alt_name.gmch_m, \ | |
12589 | current_config->alt_name.gmch_n, \ | |
12590 | current_config->alt_name.link_m, \ | |
12591 | current_config->alt_name.link_n, \ | |
12592 | pipe_config->name.tu, \ | |
12593 | pipe_config->name.gmch_m, \ | |
12594 | pipe_config->name.gmch_n, \ | |
12595 | pipe_config->name.link_m, \ | |
12596 | pipe_config->name.link_n); \ | |
12597 | ret = false; \ | |
88adfff1 DV |
12598 | } |
12599 | ||
b95af8be VK |
12600 | /* This is required for BDW+ where there is only one set of registers for |
12601 | * switching between high and low RR. | |
12602 | * This macro can be used whenever a comparison has to be made between one | |
12603 | * hw state and multiple sw state variables. | |
12604 | */ | |
12605 | #define PIPE_CONF_CHECK_I_ALT(name, alt_name) \ | |
12606 | if ((current_config->name != pipe_config->name) && \ | |
12607 | (current_config->alt_name != pipe_config->name)) { \ | |
cfb23ed6 | 12608 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
b95af8be VK |
12609 | "(expected %i or %i, found %i)\n", \ |
12610 | current_config->name, \ | |
12611 | current_config->alt_name, \ | |
12612 | pipe_config->name); \ | |
cfb23ed6 | 12613 | ret = false; \ |
b95af8be VK |
12614 | } |
12615 | ||
1bd1bd80 DV |
12616 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
12617 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ | |
cfb23ed6 | 12618 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name "(" #mask ") " \ |
1bd1bd80 DV |
12619 | "(expected %i, found %i)\n", \ |
12620 | current_config->name & (mask), \ | |
12621 | pipe_config->name & (mask)); \ | |
cfb23ed6 | 12622 | ret = false; \ |
1bd1bd80 DV |
12623 | } |
12624 | ||
5e550656 VS |
12625 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
12626 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ | |
cfb23ed6 | 12627 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
5e550656 VS |
12628 | "(expected %i, found %i)\n", \ |
12629 | current_config->name, \ | |
12630 | pipe_config->name); \ | |
cfb23ed6 | 12631 | ret = false; \ |
5e550656 VS |
12632 | } |
12633 | ||
bb760063 DV |
12634 | #define PIPE_CONF_QUIRK(quirk) \ |
12635 | ((current_config->quirks | pipe_config->quirks) & (quirk)) | |
12636 | ||
eccb140b DV |
12637 | PIPE_CONF_CHECK_I(cpu_transcoder); |
12638 | ||
08a24034 DV |
12639 | PIPE_CONF_CHECK_I(has_pch_encoder); |
12640 | PIPE_CONF_CHECK_I(fdi_lanes); | |
cfb23ed6 | 12641 | PIPE_CONF_CHECK_M_N(fdi_m_n); |
08a24034 | 12642 | |
eb14cb74 | 12643 | PIPE_CONF_CHECK_I(has_dp_encoder); |
90a6b7b0 | 12644 | PIPE_CONF_CHECK_I(lane_count); |
b95af8be VK |
12645 | |
12646 | if (INTEL_INFO(dev)->gen < 8) { | |
cfb23ed6 ML |
12647 | PIPE_CONF_CHECK_M_N(dp_m_n); |
12648 | ||
cfb23ed6 ML |
12649 | if (current_config->has_drrs) |
12650 | PIPE_CONF_CHECK_M_N(dp_m2_n2); | |
12651 | } else | |
12652 | PIPE_CONF_CHECK_M_N_ALT(dp_m_n, dp_m2_n2); | |
eb14cb74 | 12653 | |
a65347ba JN |
12654 | PIPE_CONF_CHECK_I(has_dsi_encoder); |
12655 | ||
2d112de7 ACO |
12656 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hdisplay); |
12657 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_htotal); | |
12658 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_start); | |
12659 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_end); | |
12660 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_start); | |
12661 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_end); | |
1bd1bd80 | 12662 | |
2d112de7 ACO |
12663 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vdisplay); |
12664 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vtotal); | |
12665 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_start); | |
12666 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_end); | |
12667 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_start); | |
12668 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_end); | |
1bd1bd80 | 12669 | |
c93f54cf | 12670 | PIPE_CONF_CHECK_I(pixel_multiplier); |
6897b4b5 | 12671 | PIPE_CONF_CHECK_I(has_hdmi_sink); |
b5a9fa09 | 12672 | if ((INTEL_INFO(dev)->gen < 8 && !IS_HASWELL(dev)) || |
666a4537 | 12673 | IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) |
b5a9fa09 | 12674 | PIPE_CONF_CHECK_I(limited_color_range); |
e43823ec | 12675 | PIPE_CONF_CHECK_I(has_infoframe); |
6c49f241 | 12676 | |
9ed109a7 DV |
12677 | PIPE_CONF_CHECK_I(has_audio); |
12678 | ||
2d112de7 | 12679 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
1bd1bd80 DV |
12680 | DRM_MODE_FLAG_INTERLACE); |
12681 | ||
bb760063 | 12682 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
2d112de7 | 12683 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12684 | DRM_MODE_FLAG_PHSYNC); |
2d112de7 | 12685 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12686 | DRM_MODE_FLAG_NHSYNC); |
2d112de7 | 12687 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12688 | DRM_MODE_FLAG_PVSYNC); |
2d112de7 | 12689 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 DV |
12690 | DRM_MODE_FLAG_NVSYNC); |
12691 | } | |
045ac3b5 | 12692 | |
333b8ca8 | 12693 | PIPE_CONF_CHECK_X(gmch_pfit.control); |
e2ff2d4a DV |
12694 | /* pfit ratios are autocomputed by the hw on gen4+ */ |
12695 | if (INTEL_INFO(dev)->gen < 4) | |
12696 | PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); | |
333b8ca8 | 12697 | PIPE_CONF_CHECK_X(gmch_pfit.lvds_border_bits); |
9953599b | 12698 | |
bfd16b2a ML |
12699 | if (!adjust) { |
12700 | PIPE_CONF_CHECK_I(pipe_src_w); | |
12701 | PIPE_CONF_CHECK_I(pipe_src_h); | |
12702 | ||
12703 | PIPE_CONF_CHECK_I(pch_pfit.enabled); | |
12704 | if (current_config->pch_pfit.enabled) { | |
12705 | PIPE_CONF_CHECK_X(pch_pfit.pos); | |
12706 | PIPE_CONF_CHECK_X(pch_pfit.size); | |
12707 | } | |
2fa2fe9a | 12708 | |
7aefe2b5 ML |
12709 | PIPE_CONF_CHECK_I(scaler_state.scaler_id); |
12710 | } | |
a1b2278e | 12711 | |
e59150dc JB |
12712 | /* BDW+ don't expose a synchronous way to read the state */ |
12713 | if (IS_HASWELL(dev)) | |
12714 | PIPE_CONF_CHECK_I(ips_enabled); | |
42db64ef | 12715 | |
282740f7 VS |
12716 | PIPE_CONF_CHECK_I(double_wide); |
12717 | ||
26804afd DV |
12718 | PIPE_CONF_CHECK_X(ddi_pll_sel); |
12719 | ||
8106ddbd | 12720 | PIPE_CONF_CHECK_P(shared_dpll); |
66e985c0 | 12721 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
8bcc2795 | 12722 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
66e985c0 DV |
12723 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
12724 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); | |
d452c5b6 | 12725 | PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); |
00490c22 | 12726 | PIPE_CONF_CHECK_X(dpll_hw_state.spll); |
3f4cd19f DL |
12727 | PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1); |
12728 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1); | |
12729 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2); | |
c0d43d62 | 12730 | |
42571aef VS |
12731 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
12732 | PIPE_CONF_CHECK_I(pipe_bpp); | |
12733 | ||
2d112de7 | 12734 | PIPE_CONF_CHECK_CLOCK_FUZZY(base.adjusted_mode.crtc_clock); |
a9a7e98a | 12735 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); |
5e550656 | 12736 | |
66e985c0 | 12737 | #undef PIPE_CONF_CHECK_X |
08a24034 | 12738 | #undef PIPE_CONF_CHECK_I |
8106ddbd | 12739 | #undef PIPE_CONF_CHECK_P |
b95af8be | 12740 | #undef PIPE_CONF_CHECK_I_ALT |
1bd1bd80 | 12741 | #undef PIPE_CONF_CHECK_FLAGS |
5e550656 | 12742 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
bb760063 | 12743 | #undef PIPE_CONF_QUIRK |
cfb23ed6 | 12744 | #undef INTEL_ERR_OR_DBG_KMS |
88adfff1 | 12745 | |
cfb23ed6 | 12746 | return ret; |
0e8ffe1b DV |
12747 | } |
12748 | ||
e3b247da VS |
12749 | static void intel_pipe_config_sanity_check(struct drm_i915_private *dev_priv, |
12750 | const struct intel_crtc_state *pipe_config) | |
12751 | { | |
12752 | if (pipe_config->has_pch_encoder) { | |
21a727b3 | 12753 | int fdi_dotclock = intel_dotclock_calculate(intel_fdi_link_freq(dev_priv, pipe_config), |
e3b247da VS |
12754 | &pipe_config->fdi_m_n); |
12755 | int dotclock = pipe_config->base.adjusted_mode.crtc_clock; | |
12756 | ||
12757 | /* | |
12758 | * FDI already provided one idea for the dotclock. | |
12759 | * Yell if the encoder disagrees. | |
12760 | */ | |
12761 | WARN(!intel_fuzzy_clock_check(fdi_dotclock, dotclock), | |
12762 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", | |
12763 | fdi_dotclock, dotclock); | |
12764 | } | |
12765 | } | |
12766 | ||
08db6652 DL |
12767 | static void check_wm_state(struct drm_device *dev) |
12768 | { | |
12769 | struct drm_i915_private *dev_priv = dev->dev_private; | |
12770 | struct skl_ddb_allocation hw_ddb, *sw_ddb; | |
12771 | struct intel_crtc *intel_crtc; | |
12772 | int plane; | |
12773 | ||
12774 | if (INTEL_INFO(dev)->gen < 9) | |
12775 | return; | |
12776 | ||
12777 | skl_ddb_get_hw_state(dev_priv, &hw_ddb); | |
12778 | sw_ddb = &dev_priv->wm.skl_hw.ddb; | |
12779 | ||
12780 | for_each_intel_crtc(dev, intel_crtc) { | |
12781 | struct skl_ddb_entry *hw_entry, *sw_entry; | |
12782 | const enum pipe pipe = intel_crtc->pipe; | |
12783 | ||
12784 | if (!intel_crtc->active) | |
12785 | continue; | |
12786 | ||
12787 | /* planes */ | |
dd740780 | 12788 | for_each_plane(dev_priv, pipe, plane) { |
08db6652 DL |
12789 | hw_entry = &hw_ddb.plane[pipe][plane]; |
12790 | sw_entry = &sw_ddb->plane[pipe][plane]; | |
12791 | ||
12792 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
12793 | continue; | |
12794 | ||
12795 | DRM_ERROR("mismatch in DDB state pipe %c plane %d " | |
12796 | "(expected (%u,%u), found (%u,%u))\n", | |
12797 | pipe_name(pipe), plane + 1, | |
12798 | sw_entry->start, sw_entry->end, | |
12799 | hw_entry->start, hw_entry->end); | |
12800 | } | |
12801 | ||
12802 | /* cursor */ | |
4969d33e MR |
12803 | hw_entry = &hw_ddb.plane[pipe][PLANE_CURSOR]; |
12804 | sw_entry = &sw_ddb->plane[pipe][PLANE_CURSOR]; | |
08db6652 DL |
12805 | |
12806 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
12807 | continue; | |
12808 | ||
12809 | DRM_ERROR("mismatch in DDB state pipe %c cursor " | |
12810 | "(expected (%u,%u), found (%u,%u))\n", | |
12811 | pipe_name(pipe), | |
12812 | sw_entry->start, sw_entry->end, | |
12813 | hw_entry->start, hw_entry->end); | |
12814 | } | |
12815 | } | |
12816 | ||
91d1b4bd | 12817 | static void |
35dd3c64 ML |
12818 | check_connector_state(struct drm_device *dev, |
12819 | struct drm_atomic_state *old_state) | |
8af6cf88 | 12820 | { |
35dd3c64 ML |
12821 | struct drm_connector_state *old_conn_state; |
12822 | struct drm_connector *connector; | |
12823 | int i; | |
8af6cf88 | 12824 | |
35dd3c64 ML |
12825 | for_each_connector_in_state(old_state, connector, old_conn_state, i) { |
12826 | struct drm_encoder *encoder = connector->encoder; | |
12827 | struct drm_connector_state *state = connector->state; | |
ad3c558f | 12828 | |
8af6cf88 DV |
12829 | /* This also checks the encoder/connector hw state with the |
12830 | * ->get_hw_state callbacks. */ | |
35dd3c64 | 12831 | intel_connector_check_state(to_intel_connector(connector)); |
8af6cf88 | 12832 | |
ad3c558f | 12833 | I915_STATE_WARN(state->best_encoder != encoder, |
35dd3c64 | 12834 | "connector's atomic encoder doesn't match legacy encoder\n"); |
8af6cf88 | 12835 | } |
91d1b4bd DV |
12836 | } |
12837 | ||
12838 | static void | |
12839 | check_encoder_state(struct drm_device *dev) | |
12840 | { | |
12841 | struct intel_encoder *encoder; | |
12842 | struct intel_connector *connector; | |
8af6cf88 | 12843 | |
b2784e15 | 12844 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 | 12845 | bool enabled = false; |
4d20cd86 | 12846 | enum pipe pipe; |
8af6cf88 DV |
12847 | |
12848 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", | |
12849 | encoder->base.base.id, | |
8e329a03 | 12850 | encoder->base.name); |
8af6cf88 | 12851 | |
3a3371ff | 12852 | for_each_intel_connector(dev, connector) { |
4d20cd86 | 12853 | if (connector->base.state->best_encoder != &encoder->base) |
8af6cf88 DV |
12854 | continue; |
12855 | enabled = true; | |
ad3c558f ML |
12856 | |
12857 | I915_STATE_WARN(connector->base.state->crtc != | |
12858 | encoder->base.crtc, | |
12859 | "connector's crtc doesn't match encoder crtc\n"); | |
8af6cf88 | 12860 | } |
0e32b39c | 12861 | |
e2c719b7 | 12862 | I915_STATE_WARN(!!encoder->base.crtc != enabled, |
8af6cf88 DV |
12863 | "encoder's enabled state mismatch " |
12864 | "(expected %i, found %i)\n", | |
12865 | !!encoder->base.crtc, enabled); | |
7c60d198 ML |
12866 | |
12867 | if (!encoder->base.crtc) { | |
4d20cd86 | 12868 | bool active; |
7c60d198 | 12869 | |
4d20cd86 ML |
12870 | active = encoder->get_hw_state(encoder, &pipe); |
12871 | I915_STATE_WARN(active, | |
12872 | "encoder detached but still enabled on pipe %c.\n", | |
12873 | pipe_name(pipe)); | |
7c60d198 | 12874 | } |
8af6cf88 | 12875 | } |
91d1b4bd DV |
12876 | } |
12877 | ||
12878 | static void | |
4d20cd86 | 12879 | check_crtc_state(struct drm_device *dev, struct drm_atomic_state *old_state) |
91d1b4bd | 12880 | { |
fbee40df | 12881 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd | 12882 | struct intel_encoder *encoder; |
4d20cd86 ML |
12883 | struct drm_crtc_state *old_crtc_state; |
12884 | struct drm_crtc *crtc; | |
12885 | int i; | |
8af6cf88 | 12886 | |
4d20cd86 ML |
12887 | for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { |
12888 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
12889 | struct intel_crtc_state *pipe_config, *sw_config; | |
7b89b8de | 12890 | bool active; |
8af6cf88 | 12891 | |
bfd16b2a ML |
12892 | if (!needs_modeset(crtc->state) && |
12893 | !to_intel_crtc_state(crtc->state)->update_pipe) | |
4d20cd86 | 12894 | continue; |
045ac3b5 | 12895 | |
4d20cd86 ML |
12896 | __drm_atomic_helper_crtc_destroy_state(crtc, old_crtc_state); |
12897 | pipe_config = to_intel_crtc_state(old_crtc_state); | |
12898 | memset(pipe_config, 0, sizeof(*pipe_config)); | |
12899 | pipe_config->base.crtc = crtc; | |
12900 | pipe_config->base.state = old_state; | |
8af6cf88 | 12901 | |
4d20cd86 ML |
12902 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
12903 | crtc->base.id); | |
8af6cf88 | 12904 | |
4d20cd86 ML |
12905 | active = dev_priv->display.get_pipe_config(intel_crtc, |
12906 | pipe_config); | |
d62cf62a | 12907 | |
b6b5d049 | 12908 | /* hw state is inconsistent with the pipe quirk */ |
4d20cd86 ML |
12909 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
12910 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
12911 | active = crtc->state->active; | |
6c49f241 | 12912 | |
4d20cd86 | 12913 | I915_STATE_WARN(crtc->state->active != active, |
0e8ffe1b | 12914 | "crtc active state doesn't match with hw state " |
4d20cd86 | 12915 | "(expected %i, found %i)\n", crtc->state->active, active); |
0e8ffe1b | 12916 | |
4d20cd86 | 12917 | I915_STATE_WARN(intel_crtc->active != crtc->state->active, |
53d9f4e9 | 12918 | "transitional active state does not match atomic hw state " |
4d20cd86 ML |
12919 | "(expected %i, found %i)\n", crtc->state->active, intel_crtc->active); |
12920 | ||
12921 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
12922 | enum pipe pipe; | |
12923 | ||
12924 | active = encoder->get_hw_state(encoder, &pipe); | |
12925 | I915_STATE_WARN(active != crtc->state->active, | |
12926 | "[ENCODER:%i] active %i with crtc active %i\n", | |
12927 | encoder->base.base.id, active, crtc->state->active); | |
12928 | ||
12929 | I915_STATE_WARN(active && intel_crtc->pipe != pipe, | |
12930 | "Encoder connected to wrong pipe %c\n", | |
12931 | pipe_name(pipe)); | |
12932 | ||
12933 | if (active) | |
12934 | encoder->get_config(encoder, pipe_config); | |
12935 | } | |
53d9f4e9 | 12936 | |
4d20cd86 | 12937 | if (!crtc->state->active) |
cfb23ed6 ML |
12938 | continue; |
12939 | ||
e3b247da VS |
12940 | intel_pipe_config_sanity_check(dev_priv, pipe_config); |
12941 | ||
4d20cd86 ML |
12942 | sw_config = to_intel_crtc_state(crtc->state); |
12943 | if (!intel_pipe_config_compare(dev, sw_config, | |
12944 | pipe_config, false)) { | |
e2c719b7 | 12945 | I915_STATE_WARN(1, "pipe state doesn't match!\n"); |
4d20cd86 | 12946 | intel_dump_pipe_config(intel_crtc, pipe_config, |
c0b03411 | 12947 | "[hw state]"); |
4d20cd86 | 12948 | intel_dump_pipe_config(intel_crtc, sw_config, |
c0b03411 DV |
12949 | "[sw state]"); |
12950 | } | |
8af6cf88 DV |
12951 | } |
12952 | } | |
12953 | ||
91d1b4bd DV |
12954 | static void |
12955 | check_shared_dpll_state(struct drm_device *dev) | |
12956 | { | |
fbee40df | 12957 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
12958 | struct intel_crtc *crtc; |
12959 | struct intel_dpll_hw_state dpll_hw_state; | |
12960 | int i; | |
5358901f DV |
12961 | |
12962 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
8106ddbd ACO |
12963 | struct intel_shared_dpll *pll = |
12964 | intel_get_shared_dpll_by_id(dev_priv, i); | |
5358901f DV |
12965 | int enabled_crtcs = 0, active_crtcs = 0; |
12966 | bool active; | |
12967 | ||
12968 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); | |
12969 | ||
12970 | DRM_DEBUG_KMS("%s\n", pll->name); | |
12971 | ||
2edd6443 | 12972 | active = pll->funcs.get_hw_state(dev_priv, pll, &dpll_hw_state); |
5358901f | 12973 | |
e2c719b7 | 12974 | I915_STATE_WARN(pll->active > hweight32(pll->config.crtc_mask), |
5358901f | 12975 | "more active pll users than references: %i vs %i\n", |
3e369b76 | 12976 | pll->active, hweight32(pll->config.crtc_mask)); |
e2c719b7 | 12977 | I915_STATE_WARN(pll->active && !pll->on, |
5358901f | 12978 | "pll in active use but not on in sw tracking\n"); |
9d16da65 ACO |
12979 | |
12980 | if (!(pll->flags & INTEL_DPLL_ALWAYS_ON)) { | |
12981 | I915_STATE_WARN(pll->on && !pll->active, | |
12982 | "pll in on but not on in use in sw tracking\n"); | |
12983 | I915_STATE_WARN(pll->on != active, | |
12984 | "pll on state mismatch (expected %i, found %i)\n", | |
12985 | pll->on, active); | |
12986 | } | |
5358901f | 12987 | |
d3fcc808 | 12988 | for_each_intel_crtc(dev, crtc) { |
8106ddbd | 12989 | if (crtc->base.state->enable && crtc->config->shared_dpll == pll) |
5358901f | 12990 | enabled_crtcs++; |
8106ddbd | 12991 | if (crtc->active && crtc->config->shared_dpll == pll) |
5358901f DV |
12992 | active_crtcs++; |
12993 | } | |
e2c719b7 | 12994 | I915_STATE_WARN(pll->active != active_crtcs, |
5358901f DV |
12995 | "pll active crtcs mismatch (expected %i, found %i)\n", |
12996 | pll->active, active_crtcs); | |
e2c719b7 | 12997 | I915_STATE_WARN(hweight32(pll->config.crtc_mask) != enabled_crtcs, |
5358901f | 12998 | "pll enabled crtcs mismatch (expected %i, found %i)\n", |
3e369b76 | 12999 | hweight32(pll->config.crtc_mask), enabled_crtcs); |
66e985c0 | 13000 | |
e2c719b7 | 13001 | I915_STATE_WARN(pll->on && memcmp(&pll->config.hw_state, &dpll_hw_state, |
66e985c0 DV |
13002 | sizeof(dpll_hw_state)), |
13003 | "pll hw state mismatch\n"); | |
5358901f | 13004 | } |
8af6cf88 DV |
13005 | } |
13006 | ||
ee165b1a ML |
13007 | static void |
13008 | intel_modeset_check_state(struct drm_device *dev, | |
13009 | struct drm_atomic_state *old_state) | |
91d1b4bd | 13010 | { |
08db6652 | 13011 | check_wm_state(dev); |
35dd3c64 | 13012 | check_connector_state(dev, old_state); |
91d1b4bd | 13013 | check_encoder_state(dev); |
4d20cd86 | 13014 | check_crtc_state(dev, old_state); |
91d1b4bd DV |
13015 | check_shared_dpll_state(dev); |
13016 | } | |
13017 | ||
80715b2f VS |
13018 | static void update_scanline_offset(struct intel_crtc *crtc) |
13019 | { | |
13020 | struct drm_device *dev = crtc->base.dev; | |
13021 | ||
13022 | /* | |
13023 | * The scanline counter increments at the leading edge of hsync. | |
13024 | * | |
13025 | * On most platforms it starts counting from vtotal-1 on the | |
13026 | * first active line. That means the scanline counter value is | |
13027 | * always one less than what we would expect. Ie. just after | |
13028 | * start of vblank, which also occurs at start of hsync (on the | |
13029 | * last active line), the scanline counter will read vblank_start-1. | |
13030 | * | |
13031 | * On gen2 the scanline counter starts counting from 1 instead | |
13032 | * of vtotal-1, so we have to subtract one (or rather add vtotal-1 | |
13033 | * to keep the value positive), instead of adding one. | |
13034 | * | |
13035 | * On HSW+ the behaviour of the scanline counter depends on the output | |
13036 | * type. For DP ports it behaves like most other platforms, but on HDMI | |
13037 | * there's an extra 1 line difference. So we need to add two instead of | |
13038 | * one to the value. | |
13039 | */ | |
13040 | if (IS_GEN2(dev)) { | |
124abe07 | 13041 | const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode; |
80715b2f VS |
13042 | int vtotal; |
13043 | ||
124abe07 VS |
13044 | vtotal = adjusted_mode->crtc_vtotal; |
13045 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) | |
80715b2f VS |
13046 | vtotal /= 2; |
13047 | ||
13048 | crtc->scanline_offset = vtotal - 1; | |
13049 | } else if (HAS_DDI(dev) && | |
409ee761 | 13050 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { |
80715b2f VS |
13051 | crtc->scanline_offset = 2; |
13052 | } else | |
13053 | crtc->scanline_offset = 1; | |
13054 | } | |
13055 | ||
ad421372 | 13056 | static void intel_modeset_clear_plls(struct drm_atomic_state *state) |
ed6739ef | 13057 | { |
225da59b | 13058 | struct drm_device *dev = state->dev; |
ed6739ef | 13059 | struct drm_i915_private *dev_priv = to_i915(dev); |
ad421372 | 13060 | struct intel_shared_dpll_config *shared_dpll = NULL; |
0a9ab303 ACO |
13061 | struct drm_crtc *crtc; |
13062 | struct drm_crtc_state *crtc_state; | |
0a9ab303 | 13063 | int i; |
ed6739ef ACO |
13064 | |
13065 | if (!dev_priv->display.crtc_compute_clock) | |
ad421372 | 13066 | return; |
ed6739ef | 13067 | |
0a9ab303 | 13068 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
fb1a38a9 | 13069 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8106ddbd ACO |
13070 | struct intel_shared_dpll *old_dpll = |
13071 | to_intel_crtc_state(crtc->state)->shared_dpll; | |
0a9ab303 | 13072 | |
fb1a38a9 | 13073 | if (!needs_modeset(crtc_state)) |
225da59b ACO |
13074 | continue; |
13075 | ||
8106ddbd | 13076 | to_intel_crtc_state(crtc_state)->shared_dpll = NULL; |
fb1a38a9 | 13077 | |
8106ddbd | 13078 | if (!old_dpll) |
fb1a38a9 | 13079 | continue; |
0a9ab303 | 13080 | |
ad421372 ML |
13081 | if (!shared_dpll) |
13082 | shared_dpll = intel_atomic_get_shared_dpll_state(state); | |
ed6739ef | 13083 | |
8106ddbd | 13084 | intel_shared_dpll_config_put(shared_dpll, old_dpll, intel_crtc); |
ad421372 | 13085 | } |
ed6739ef ACO |
13086 | } |
13087 | ||
99d736a2 ML |
13088 | /* |
13089 | * This implements the workaround described in the "notes" section of the mode | |
13090 | * set sequence documentation. When going from no pipes or single pipe to | |
13091 | * multiple pipes, and planes are enabled after the pipe, we need to wait at | |
13092 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. | |
13093 | */ | |
13094 | static int haswell_mode_set_planes_workaround(struct drm_atomic_state *state) | |
13095 | { | |
13096 | struct drm_crtc_state *crtc_state; | |
13097 | struct intel_crtc *intel_crtc; | |
13098 | struct drm_crtc *crtc; | |
13099 | struct intel_crtc_state *first_crtc_state = NULL; | |
13100 | struct intel_crtc_state *other_crtc_state = NULL; | |
13101 | enum pipe first_pipe = INVALID_PIPE, enabled_pipe = INVALID_PIPE; | |
13102 | int i; | |
13103 | ||
13104 | /* look at all crtc's that are going to be enabled in during modeset */ | |
13105 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
13106 | intel_crtc = to_intel_crtc(crtc); | |
13107 | ||
13108 | if (!crtc_state->active || !needs_modeset(crtc_state)) | |
13109 | continue; | |
13110 | ||
13111 | if (first_crtc_state) { | |
13112 | other_crtc_state = to_intel_crtc_state(crtc_state); | |
13113 | break; | |
13114 | } else { | |
13115 | first_crtc_state = to_intel_crtc_state(crtc_state); | |
13116 | first_pipe = intel_crtc->pipe; | |
13117 | } | |
13118 | } | |
13119 | ||
13120 | /* No workaround needed? */ | |
13121 | if (!first_crtc_state) | |
13122 | return 0; | |
13123 | ||
13124 | /* w/a possibly needed, check how many crtc's are already enabled. */ | |
13125 | for_each_intel_crtc(state->dev, intel_crtc) { | |
13126 | struct intel_crtc_state *pipe_config; | |
13127 | ||
13128 | pipe_config = intel_atomic_get_crtc_state(state, intel_crtc); | |
13129 | if (IS_ERR(pipe_config)) | |
13130 | return PTR_ERR(pipe_config); | |
13131 | ||
13132 | pipe_config->hsw_workaround_pipe = INVALID_PIPE; | |
13133 | ||
13134 | if (!pipe_config->base.active || | |
13135 | needs_modeset(&pipe_config->base)) | |
13136 | continue; | |
13137 | ||
13138 | /* 2 or more enabled crtcs means no need for w/a */ | |
13139 | if (enabled_pipe != INVALID_PIPE) | |
13140 | return 0; | |
13141 | ||
13142 | enabled_pipe = intel_crtc->pipe; | |
13143 | } | |
13144 | ||
13145 | if (enabled_pipe != INVALID_PIPE) | |
13146 | first_crtc_state->hsw_workaround_pipe = enabled_pipe; | |
13147 | else if (other_crtc_state) | |
13148 | other_crtc_state->hsw_workaround_pipe = first_pipe; | |
13149 | ||
13150 | return 0; | |
13151 | } | |
13152 | ||
27c329ed ML |
13153 | static int intel_modeset_all_pipes(struct drm_atomic_state *state) |
13154 | { | |
13155 | struct drm_crtc *crtc; | |
13156 | struct drm_crtc_state *crtc_state; | |
13157 | int ret = 0; | |
13158 | ||
13159 | /* add all active pipes to the state */ | |
13160 | for_each_crtc(state->dev, crtc) { | |
13161 | crtc_state = drm_atomic_get_crtc_state(state, crtc); | |
13162 | if (IS_ERR(crtc_state)) | |
13163 | return PTR_ERR(crtc_state); | |
13164 | ||
13165 | if (!crtc_state->active || needs_modeset(crtc_state)) | |
13166 | continue; | |
13167 | ||
13168 | crtc_state->mode_changed = true; | |
13169 | ||
13170 | ret = drm_atomic_add_affected_connectors(state, crtc); | |
13171 | if (ret) | |
13172 | break; | |
13173 | ||
13174 | ret = drm_atomic_add_affected_planes(state, crtc); | |
13175 | if (ret) | |
13176 | break; | |
13177 | } | |
13178 | ||
13179 | return ret; | |
13180 | } | |
13181 | ||
c347a676 | 13182 | static int intel_modeset_checks(struct drm_atomic_state *state) |
054518dd | 13183 | { |
565602d7 ML |
13184 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
13185 | struct drm_i915_private *dev_priv = state->dev->dev_private; | |
13186 | struct drm_crtc *crtc; | |
13187 | struct drm_crtc_state *crtc_state; | |
13188 | int ret = 0, i; | |
054518dd | 13189 | |
b359283a ML |
13190 | if (!check_digital_port_conflicts(state)) { |
13191 | DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n"); | |
13192 | return -EINVAL; | |
13193 | } | |
13194 | ||
565602d7 ML |
13195 | intel_state->modeset = true; |
13196 | intel_state->active_crtcs = dev_priv->active_crtcs; | |
13197 | ||
13198 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
13199 | if (crtc_state->active) | |
13200 | intel_state->active_crtcs |= 1 << i; | |
13201 | else | |
13202 | intel_state->active_crtcs &= ~(1 << i); | |
13203 | } | |
13204 | ||
054518dd ACO |
13205 | /* |
13206 | * See if the config requires any additional preparation, e.g. | |
13207 | * to adjust global state with pipes off. We need to do this | |
13208 | * here so we can get the modeset_pipe updated config for the new | |
13209 | * mode set on this crtc. For other crtcs we need to use the | |
13210 | * adjusted_mode bits in the crtc directly. | |
13211 | */ | |
27c329ed | 13212 | if (dev_priv->display.modeset_calc_cdclk) { |
27c329ed ML |
13213 | ret = dev_priv->display.modeset_calc_cdclk(state); |
13214 | ||
1a617b77 | 13215 | if (!ret && intel_state->dev_cdclk != dev_priv->cdclk_freq) |
27c329ed ML |
13216 | ret = intel_modeset_all_pipes(state); |
13217 | ||
13218 | if (ret < 0) | |
054518dd | 13219 | return ret; |
e8788cbc ML |
13220 | |
13221 | DRM_DEBUG_KMS("New cdclk calculated to be atomic %u, actual %u\n", | |
13222 | intel_state->cdclk, intel_state->dev_cdclk); | |
27c329ed | 13223 | } else |
1a617b77 | 13224 | to_intel_atomic_state(state)->cdclk = dev_priv->atomic_cdclk_freq; |
054518dd | 13225 | |
ad421372 | 13226 | intel_modeset_clear_plls(state); |
054518dd | 13227 | |
565602d7 | 13228 | if (IS_HASWELL(dev_priv)) |
ad421372 | 13229 | return haswell_mode_set_planes_workaround(state); |
99d736a2 | 13230 | |
ad421372 | 13231 | return 0; |
c347a676 ACO |
13232 | } |
13233 | ||
aa363136 MR |
13234 | /* |
13235 | * Handle calculation of various watermark data at the end of the atomic check | |
13236 | * phase. The code here should be run after the per-crtc and per-plane 'check' | |
13237 | * handlers to ensure that all derived state has been updated. | |
13238 | */ | |
13239 | static void calc_watermark_data(struct drm_atomic_state *state) | |
13240 | { | |
13241 | struct drm_device *dev = state->dev; | |
13242 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); | |
13243 | struct drm_crtc *crtc; | |
13244 | struct drm_crtc_state *cstate; | |
13245 | struct drm_plane *plane; | |
13246 | struct drm_plane_state *pstate; | |
13247 | ||
13248 | /* | |
13249 | * Calculate watermark configuration details now that derived | |
13250 | * plane/crtc state is all properly updated. | |
13251 | */ | |
13252 | drm_for_each_crtc(crtc, dev) { | |
13253 | cstate = drm_atomic_get_existing_crtc_state(state, crtc) ?: | |
13254 | crtc->state; | |
13255 | ||
13256 | if (cstate->active) | |
13257 | intel_state->wm_config.num_pipes_active++; | |
13258 | } | |
13259 | drm_for_each_legacy_plane(plane, dev) { | |
13260 | pstate = drm_atomic_get_existing_plane_state(state, plane) ?: | |
13261 | plane->state; | |
13262 | ||
13263 | if (!to_intel_plane_state(pstate)->visible) | |
13264 | continue; | |
13265 | ||
13266 | intel_state->wm_config.sprites_enabled = true; | |
13267 | if (pstate->crtc_w != pstate->src_w >> 16 || | |
13268 | pstate->crtc_h != pstate->src_h >> 16) | |
13269 | intel_state->wm_config.sprites_scaled = true; | |
13270 | } | |
13271 | } | |
13272 | ||
74c090b1 ML |
13273 | /** |
13274 | * intel_atomic_check - validate state object | |
13275 | * @dev: drm device | |
13276 | * @state: state to validate | |
13277 | */ | |
13278 | static int intel_atomic_check(struct drm_device *dev, | |
13279 | struct drm_atomic_state *state) | |
c347a676 | 13280 | { |
dd8b3bdb | 13281 | struct drm_i915_private *dev_priv = to_i915(dev); |
aa363136 | 13282 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
c347a676 ACO |
13283 | struct drm_crtc *crtc; |
13284 | struct drm_crtc_state *crtc_state; | |
13285 | int ret, i; | |
61333b60 | 13286 | bool any_ms = false; |
c347a676 | 13287 | |
74c090b1 | 13288 | ret = drm_atomic_helper_check_modeset(dev, state); |
054518dd ACO |
13289 | if (ret) |
13290 | return ret; | |
13291 | ||
c347a676 | 13292 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
cfb23ed6 ML |
13293 | struct intel_crtc_state *pipe_config = |
13294 | to_intel_crtc_state(crtc_state); | |
1ed51de9 DV |
13295 | |
13296 | /* Catch I915_MODE_FLAG_INHERITED */ | |
13297 | if (crtc_state->mode.private_flags != crtc->state->mode.private_flags) | |
13298 | crtc_state->mode_changed = true; | |
cfb23ed6 | 13299 | |
61333b60 ML |
13300 | if (!crtc_state->enable) { |
13301 | if (needs_modeset(crtc_state)) | |
13302 | any_ms = true; | |
c347a676 | 13303 | continue; |
61333b60 | 13304 | } |
c347a676 | 13305 | |
26495481 | 13306 | if (!needs_modeset(crtc_state)) |
cfb23ed6 ML |
13307 | continue; |
13308 | ||
26495481 DV |
13309 | /* FIXME: For only active_changed we shouldn't need to do any |
13310 | * state recomputation at all. */ | |
13311 | ||
1ed51de9 DV |
13312 | ret = drm_atomic_add_affected_connectors(state, crtc); |
13313 | if (ret) | |
13314 | return ret; | |
b359283a | 13315 | |
cfb23ed6 | 13316 | ret = intel_modeset_pipe_config(crtc, pipe_config); |
c347a676 ACO |
13317 | if (ret) |
13318 | return ret; | |
13319 | ||
73831236 | 13320 | if (i915.fastboot && |
dd8b3bdb | 13321 | intel_pipe_config_compare(dev, |
cfb23ed6 | 13322 | to_intel_crtc_state(crtc->state), |
1ed51de9 | 13323 | pipe_config, true)) { |
26495481 | 13324 | crtc_state->mode_changed = false; |
bfd16b2a | 13325 | to_intel_crtc_state(crtc_state)->update_pipe = true; |
26495481 DV |
13326 | } |
13327 | ||
13328 | if (needs_modeset(crtc_state)) { | |
13329 | any_ms = true; | |
cfb23ed6 ML |
13330 | |
13331 | ret = drm_atomic_add_affected_planes(state, crtc); | |
13332 | if (ret) | |
13333 | return ret; | |
13334 | } | |
61333b60 | 13335 | |
26495481 DV |
13336 | intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, |
13337 | needs_modeset(crtc_state) ? | |
13338 | "[modeset]" : "[fastset]"); | |
c347a676 ACO |
13339 | } |
13340 | ||
61333b60 ML |
13341 | if (any_ms) { |
13342 | ret = intel_modeset_checks(state); | |
13343 | ||
13344 | if (ret) | |
13345 | return ret; | |
27c329ed | 13346 | } else |
dd8b3bdb | 13347 | intel_state->cdclk = dev_priv->cdclk_freq; |
76305b1a | 13348 | |
dd8b3bdb | 13349 | ret = drm_atomic_helper_check_planes(dev, state); |
aa363136 MR |
13350 | if (ret) |
13351 | return ret; | |
13352 | ||
f51be2e0 | 13353 | intel_fbc_choose_crtc(dev_priv, state); |
aa363136 MR |
13354 | calc_watermark_data(state); |
13355 | ||
13356 | return 0; | |
054518dd ACO |
13357 | } |
13358 | ||
5008e874 ML |
13359 | static int intel_atomic_prepare_commit(struct drm_device *dev, |
13360 | struct drm_atomic_state *state, | |
13361 | bool async) | |
13362 | { | |
7580d774 ML |
13363 | struct drm_i915_private *dev_priv = dev->dev_private; |
13364 | struct drm_plane_state *plane_state; | |
5008e874 | 13365 | struct drm_crtc_state *crtc_state; |
7580d774 | 13366 | struct drm_plane *plane; |
5008e874 ML |
13367 | struct drm_crtc *crtc; |
13368 | int i, ret; | |
13369 | ||
13370 | if (async) { | |
13371 | DRM_DEBUG_KMS("i915 does not yet support async commit\n"); | |
13372 | return -EINVAL; | |
13373 | } | |
13374 | ||
13375 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
13376 | ret = intel_crtc_wait_for_pending_flips(crtc); | |
13377 | if (ret) | |
13378 | return ret; | |
7580d774 ML |
13379 | |
13380 | if (atomic_read(&to_intel_crtc(crtc)->unpin_work_count) >= 2) | |
13381 | flush_workqueue(dev_priv->wq); | |
5008e874 ML |
13382 | } |
13383 | ||
f935675f ML |
13384 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
13385 | if (ret) | |
13386 | return ret; | |
13387 | ||
5008e874 | 13388 | ret = drm_atomic_helper_prepare_planes(dev, state); |
7580d774 ML |
13389 | if (!ret && !async && !i915_reset_in_progress(&dev_priv->gpu_error)) { |
13390 | u32 reset_counter; | |
13391 | ||
13392 | reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); | |
13393 | mutex_unlock(&dev->struct_mutex); | |
13394 | ||
13395 | for_each_plane_in_state(state, plane, plane_state, i) { | |
13396 | struct intel_plane_state *intel_plane_state = | |
13397 | to_intel_plane_state(plane_state); | |
13398 | ||
13399 | if (!intel_plane_state->wait_req) | |
13400 | continue; | |
13401 | ||
13402 | ret = __i915_wait_request(intel_plane_state->wait_req, | |
13403 | reset_counter, true, | |
13404 | NULL, NULL); | |
13405 | ||
13406 | /* Swallow -EIO errors to allow updates during hw lockup. */ | |
13407 | if (ret == -EIO) | |
13408 | ret = 0; | |
13409 | ||
13410 | if (ret) | |
13411 | break; | |
13412 | } | |
13413 | ||
13414 | if (!ret) | |
13415 | return 0; | |
13416 | ||
13417 | mutex_lock(&dev->struct_mutex); | |
13418 | drm_atomic_helper_cleanup_planes(dev, state); | |
13419 | } | |
5008e874 | 13420 | |
f935675f | 13421 | mutex_unlock(&dev->struct_mutex); |
5008e874 ML |
13422 | return ret; |
13423 | } | |
13424 | ||
e8861675 ML |
13425 | static void intel_atomic_wait_for_vblanks(struct drm_device *dev, |
13426 | struct drm_i915_private *dev_priv, | |
13427 | unsigned crtc_mask) | |
13428 | { | |
13429 | unsigned last_vblank_count[I915_MAX_PIPES]; | |
13430 | enum pipe pipe; | |
13431 | int ret; | |
13432 | ||
13433 | if (!crtc_mask) | |
13434 | return; | |
13435 | ||
13436 | for_each_pipe(dev_priv, pipe) { | |
13437 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
13438 | ||
13439 | if (!((1 << pipe) & crtc_mask)) | |
13440 | continue; | |
13441 | ||
13442 | ret = drm_crtc_vblank_get(crtc); | |
13443 | if (WARN_ON(ret != 0)) { | |
13444 | crtc_mask &= ~(1 << pipe); | |
13445 | continue; | |
13446 | } | |
13447 | ||
13448 | last_vblank_count[pipe] = drm_crtc_vblank_count(crtc); | |
13449 | } | |
13450 | ||
13451 | for_each_pipe(dev_priv, pipe) { | |
13452 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
13453 | long lret; | |
13454 | ||
13455 | if (!((1 << pipe) & crtc_mask)) | |
13456 | continue; | |
13457 | ||
13458 | lret = wait_event_timeout(dev->vblank[pipe].queue, | |
13459 | last_vblank_count[pipe] != | |
13460 | drm_crtc_vblank_count(crtc), | |
13461 | msecs_to_jiffies(50)); | |
13462 | ||
13463 | WARN_ON(!lret); | |
13464 | ||
13465 | drm_crtc_vblank_put(crtc); | |
13466 | } | |
13467 | } | |
13468 | ||
13469 | static bool needs_vblank_wait(struct intel_crtc_state *crtc_state) | |
13470 | { | |
13471 | /* fb updated, need to unpin old fb */ | |
13472 | if (crtc_state->fb_changed) | |
13473 | return true; | |
13474 | ||
13475 | /* wm changes, need vblank before final wm's */ | |
caed361d | 13476 | if (crtc_state->update_wm_post) |
e8861675 ML |
13477 | return true; |
13478 | ||
13479 | /* | |
13480 | * cxsr is re-enabled after vblank. | |
caed361d | 13481 | * This is already handled by crtc_state->update_wm_post, |
e8861675 ML |
13482 | * but added for clarity. |
13483 | */ | |
13484 | if (crtc_state->disable_cxsr) | |
13485 | return true; | |
13486 | ||
13487 | return false; | |
13488 | } | |
13489 | ||
74c090b1 ML |
13490 | /** |
13491 | * intel_atomic_commit - commit validated state object | |
13492 | * @dev: DRM device | |
13493 | * @state: the top-level driver state object | |
13494 | * @async: asynchronous commit | |
13495 | * | |
13496 | * This function commits a top-level state object that has been validated | |
13497 | * with drm_atomic_helper_check(). | |
13498 | * | |
13499 | * FIXME: Atomic modeset support for i915 is not yet complete. At the moment | |
13500 | * we can only handle plane-related operations and do not yet support | |
13501 | * asynchronous commit. | |
13502 | * | |
13503 | * RETURNS | |
13504 | * Zero for success or -errno. | |
13505 | */ | |
13506 | static int intel_atomic_commit(struct drm_device *dev, | |
13507 | struct drm_atomic_state *state, | |
13508 | bool async) | |
a6778b3c | 13509 | { |
565602d7 | 13510 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
fbee40df | 13511 | struct drm_i915_private *dev_priv = dev->dev_private; |
29ceb0e6 | 13512 | struct drm_crtc_state *old_crtc_state; |
7580d774 | 13513 | struct drm_crtc *crtc; |
ed4a6a7c | 13514 | struct intel_crtc_state *intel_cstate; |
565602d7 ML |
13515 | int ret = 0, i; |
13516 | bool hw_check = intel_state->modeset; | |
33c8df89 | 13517 | unsigned long put_domains[I915_MAX_PIPES] = {}; |
e8861675 | 13518 | unsigned crtc_vblank_mask = 0; |
a6778b3c | 13519 | |
5008e874 | 13520 | ret = intel_atomic_prepare_commit(dev, state, async); |
7580d774 ML |
13521 | if (ret) { |
13522 | DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret); | |
d4afb8cc | 13523 | return ret; |
7580d774 | 13524 | } |
d4afb8cc | 13525 | |
1c5e19f8 | 13526 | drm_atomic_helper_swap_state(dev, state); |
aa363136 | 13527 | dev_priv->wm.config = to_intel_atomic_state(state)->wm_config; |
1c5e19f8 | 13528 | |
565602d7 ML |
13529 | if (intel_state->modeset) { |
13530 | memcpy(dev_priv->min_pixclk, intel_state->min_pixclk, | |
13531 | sizeof(intel_state->min_pixclk)); | |
13532 | dev_priv->active_crtcs = intel_state->active_crtcs; | |
1a617b77 | 13533 | dev_priv->atomic_cdclk_freq = intel_state->cdclk; |
33c8df89 ML |
13534 | |
13535 | intel_display_power_get(dev_priv, POWER_DOMAIN_MODESET); | |
565602d7 ML |
13536 | } |
13537 | ||
29ceb0e6 | 13538 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { |
a539205a ML |
13539 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
13540 | ||
33c8df89 ML |
13541 | if (needs_modeset(crtc->state) || |
13542 | to_intel_crtc_state(crtc->state)->update_pipe) { | |
13543 | hw_check = true; | |
13544 | ||
13545 | put_domains[to_intel_crtc(crtc)->pipe] = | |
13546 | modeset_get_crtc_power_domains(crtc, | |
13547 | to_intel_crtc_state(crtc->state)); | |
13548 | } | |
13549 | ||
61333b60 ML |
13550 | if (!needs_modeset(crtc->state)) |
13551 | continue; | |
13552 | ||
29ceb0e6 | 13553 | intel_pre_plane_update(to_intel_crtc_state(old_crtc_state)); |
460da916 | 13554 | |
29ceb0e6 VS |
13555 | if (old_crtc_state->active) { |
13556 | intel_crtc_disable_planes(crtc, old_crtc_state->plane_mask); | |
a539205a | 13557 | dev_priv->display.crtc_disable(crtc); |
eddfcbcd | 13558 | intel_crtc->active = false; |
58f9c0bc | 13559 | intel_fbc_disable(intel_crtc); |
eddfcbcd | 13560 | intel_disable_shared_dpll(intel_crtc); |
9bbc8258 VS |
13561 | |
13562 | /* | |
13563 | * Underruns don't always raise | |
13564 | * interrupts, so check manually. | |
13565 | */ | |
13566 | intel_check_cpu_fifo_underruns(dev_priv); | |
13567 | intel_check_pch_fifo_underruns(dev_priv); | |
b9001114 ML |
13568 | |
13569 | if (!crtc->state->active) | |
13570 | intel_update_watermarks(crtc); | |
a539205a | 13571 | } |
b8cecdf5 | 13572 | } |
7758a113 | 13573 | |
ea9d758d DV |
13574 | /* Only after disabling all output pipelines that will be changed can we |
13575 | * update the the output configuration. */ | |
4740b0f2 | 13576 | intel_modeset_update_crtc_state(state); |
f6e5b160 | 13577 | |
565602d7 | 13578 | if (intel_state->modeset) { |
4740b0f2 ML |
13579 | intel_shared_dpll_commit(state); |
13580 | ||
13581 | drm_atomic_helper_update_legacy_modeset_state(state->dev, state); | |
33c8df89 ML |
13582 | |
13583 | if (dev_priv->display.modeset_commit_cdclk && | |
13584 | intel_state->dev_cdclk != dev_priv->cdclk_freq) | |
13585 | dev_priv->display.modeset_commit_cdclk(state); | |
4740b0f2 | 13586 | } |
47fab737 | 13587 | |
a6778b3c | 13588 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ |
29ceb0e6 | 13589 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { |
f6ac4b2a ML |
13590 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
13591 | bool modeset = needs_modeset(crtc->state); | |
e8861675 ML |
13592 | struct intel_crtc_state *pipe_config = |
13593 | to_intel_crtc_state(crtc->state); | |
13594 | bool update_pipe = !modeset && pipe_config->update_pipe; | |
9f836f90 | 13595 | |
f6ac4b2a | 13596 | if (modeset && crtc->state->active) { |
a539205a ML |
13597 | update_scanline_offset(to_intel_crtc(crtc)); |
13598 | dev_priv->display.crtc_enable(crtc); | |
13599 | } | |
80715b2f | 13600 | |
f6ac4b2a | 13601 | if (!modeset) |
29ceb0e6 | 13602 | intel_pre_plane_update(to_intel_crtc_state(old_crtc_state)); |
f6ac4b2a | 13603 | |
31ae71fc ML |
13604 | if (crtc->state->active && |
13605 | drm_atomic_get_existing_plane_state(state, crtc->primary)) | |
49227c4a PZ |
13606 | intel_fbc_enable(intel_crtc); |
13607 | ||
6173ee28 ML |
13608 | if (crtc->state->active && |
13609 | (crtc->state->planes_changed || update_pipe)) | |
29ceb0e6 | 13610 | drm_atomic_helper_commit_planes_on_crtc(old_crtc_state); |
bfd16b2a | 13611 | |
e8861675 ML |
13612 | if (pipe_config->base.active && needs_vblank_wait(pipe_config)) |
13613 | crtc_vblank_mask |= 1 << i; | |
80715b2f | 13614 | } |
a6778b3c | 13615 | |
a6778b3c | 13616 | /* FIXME: add subpixel order */ |
83a57153 | 13617 | |
e8861675 ML |
13618 | if (!state->legacy_cursor_update) |
13619 | intel_atomic_wait_for_vblanks(dev, dev_priv, crtc_vblank_mask); | |
f935675f | 13620 | |
29ceb0e6 | 13621 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { |
cd202f69 | 13622 | intel_post_plane_update(to_intel_crtc_state(old_crtc_state)); |
e8861675 | 13623 | |
33c8df89 ML |
13624 | if (put_domains[i]) |
13625 | modeset_put_power_domains(dev_priv, put_domains[i]); | |
13626 | } | |
13627 | ||
13628 | if (intel_state->modeset) | |
13629 | intel_display_power_put(dev_priv, POWER_DOMAIN_MODESET); | |
13630 | ||
ed4a6a7c MR |
13631 | /* |
13632 | * Now that the vblank has passed, we can go ahead and program the | |
13633 | * optimal watermarks on platforms that need two-step watermark | |
13634 | * programming. | |
13635 | * | |
13636 | * TODO: Move this (and other cleanup) to an async worker eventually. | |
13637 | */ | |
29ceb0e6 | 13638 | for_each_crtc_in_state(state, crtc, old_crtc_state, i) { |
ed4a6a7c MR |
13639 | intel_cstate = to_intel_crtc_state(crtc->state); |
13640 | ||
13641 | if (dev_priv->display.optimize_watermarks) | |
13642 | dev_priv->display.optimize_watermarks(intel_cstate); | |
13643 | } | |
13644 | ||
f935675f | 13645 | mutex_lock(&dev->struct_mutex); |
d4afb8cc | 13646 | drm_atomic_helper_cleanup_planes(dev, state); |
f935675f | 13647 | mutex_unlock(&dev->struct_mutex); |
2bfb4627 | 13648 | |
565602d7 | 13649 | if (hw_check) |
ee165b1a ML |
13650 | intel_modeset_check_state(dev, state); |
13651 | ||
13652 | drm_atomic_state_free(state); | |
f30da187 | 13653 | |
75714940 MK |
13654 | /* As one of the primary mmio accessors, KMS has a high likelihood |
13655 | * of triggering bugs in unclaimed access. After we finish | |
13656 | * modesetting, see if an error has been flagged, and if so | |
13657 | * enable debugging for the next modeset - and hope we catch | |
13658 | * the culprit. | |
13659 | * | |
13660 | * XXX note that we assume display power is on at this point. | |
13661 | * This might hold true now but we need to add pm helper to check | |
13662 | * unclaimed only when the hardware is on, as atomic commits | |
13663 | * can happen also when the device is completely off. | |
13664 | */ | |
13665 | intel_uncore_arm_unclaimed_mmio_detection(dev_priv); | |
13666 | ||
74c090b1 | 13667 | return 0; |
7f27126e JB |
13668 | } |
13669 | ||
c0c36b94 CW |
13670 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
13671 | { | |
83a57153 ACO |
13672 | struct drm_device *dev = crtc->dev; |
13673 | struct drm_atomic_state *state; | |
e694eb02 | 13674 | struct drm_crtc_state *crtc_state; |
2bfb4627 | 13675 | int ret; |
83a57153 ACO |
13676 | |
13677 | state = drm_atomic_state_alloc(dev); | |
13678 | if (!state) { | |
e694eb02 | 13679 | DRM_DEBUG_KMS("[CRTC:%d] crtc restore failed, out of memory", |
83a57153 ACO |
13680 | crtc->base.id); |
13681 | return; | |
13682 | } | |
13683 | ||
e694eb02 | 13684 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); |
83a57153 | 13685 | |
e694eb02 ML |
13686 | retry: |
13687 | crtc_state = drm_atomic_get_crtc_state(state, crtc); | |
13688 | ret = PTR_ERR_OR_ZERO(crtc_state); | |
13689 | if (!ret) { | |
13690 | if (!crtc_state->active) | |
13691 | goto out; | |
83a57153 | 13692 | |
e694eb02 | 13693 | crtc_state->mode_changed = true; |
74c090b1 | 13694 | ret = drm_atomic_commit(state); |
83a57153 ACO |
13695 | } |
13696 | ||
e694eb02 ML |
13697 | if (ret == -EDEADLK) { |
13698 | drm_atomic_state_clear(state); | |
13699 | drm_modeset_backoff(state->acquire_ctx); | |
13700 | goto retry; | |
4ed9fb37 | 13701 | } |
4be07317 | 13702 | |
2bfb4627 | 13703 | if (ret) |
e694eb02 | 13704 | out: |
2bfb4627 | 13705 | drm_atomic_state_free(state); |
c0c36b94 CW |
13706 | } |
13707 | ||
25c5b266 DV |
13708 | #undef for_each_intel_crtc_masked |
13709 | ||
f6e5b160 | 13710 | static const struct drm_crtc_funcs intel_crtc_funcs = { |
f6e5b160 | 13711 | .gamma_set = intel_crtc_gamma_set, |
74c090b1 | 13712 | .set_config = drm_atomic_helper_set_config, |
f6e5b160 CW |
13713 | .destroy = intel_crtc_destroy, |
13714 | .page_flip = intel_crtc_page_flip, | |
1356837e MR |
13715 | .atomic_duplicate_state = intel_crtc_duplicate_state, |
13716 | .atomic_destroy_state = intel_crtc_destroy_state, | |
f6e5b160 CW |
13717 | }; |
13718 | ||
6beb8c23 MR |
13719 | /** |
13720 | * intel_prepare_plane_fb - Prepare fb for usage on plane | |
13721 | * @plane: drm plane to prepare for | |
13722 | * @fb: framebuffer to prepare for presentation | |
13723 | * | |
13724 | * Prepares a framebuffer for usage on a display plane. Generally this | |
13725 | * involves pinning the underlying object and updating the frontbuffer tracking | |
13726 | * bits. Some older platforms need special physical address handling for | |
13727 | * cursor planes. | |
13728 | * | |
f935675f ML |
13729 | * Must be called with struct_mutex held. |
13730 | * | |
6beb8c23 MR |
13731 | * Returns 0 on success, negative error code on failure. |
13732 | */ | |
13733 | int | |
13734 | intel_prepare_plane_fb(struct drm_plane *plane, | |
d136dfee | 13735 | const struct drm_plane_state *new_state) |
465c120c MR |
13736 | { |
13737 | struct drm_device *dev = plane->dev; | |
844f9111 | 13738 | struct drm_framebuffer *fb = new_state->fb; |
6beb8c23 | 13739 | struct intel_plane *intel_plane = to_intel_plane(plane); |
6beb8c23 | 13740 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
1ee49399 | 13741 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->state->fb); |
6beb8c23 | 13742 | int ret = 0; |
465c120c | 13743 | |
1ee49399 | 13744 | if (!obj && !old_obj) |
465c120c MR |
13745 | return 0; |
13746 | ||
5008e874 ML |
13747 | if (old_obj) { |
13748 | struct drm_crtc_state *crtc_state = | |
13749 | drm_atomic_get_existing_crtc_state(new_state->state, plane->state->crtc); | |
13750 | ||
13751 | /* Big Hammer, we also need to ensure that any pending | |
13752 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the | |
13753 | * current scanout is retired before unpinning the old | |
13754 | * framebuffer. Note that we rely on userspace rendering | |
13755 | * into the buffer attached to the pipe they are waiting | |
13756 | * on. If not, userspace generates a GPU hang with IPEHR | |
13757 | * point to the MI_WAIT_FOR_EVENT. | |
13758 | * | |
13759 | * This should only fail upon a hung GPU, in which case we | |
13760 | * can safely continue. | |
13761 | */ | |
13762 | if (needs_modeset(crtc_state)) | |
13763 | ret = i915_gem_object_wait_rendering(old_obj, true); | |
13764 | ||
13765 | /* Swallow -EIO errors to allow updates during hw lockup. */ | |
13766 | if (ret && ret != -EIO) | |
f935675f | 13767 | return ret; |
5008e874 ML |
13768 | } |
13769 | ||
3c28ff22 AG |
13770 | /* For framebuffer backed by dmabuf, wait for fence */ |
13771 | if (obj && obj->base.dma_buf) { | |
bcf8be27 ML |
13772 | long lret; |
13773 | ||
13774 | lret = reservation_object_wait_timeout_rcu(obj->base.dma_buf->resv, | |
13775 | false, true, | |
13776 | MAX_SCHEDULE_TIMEOUT); | |
13777 | if (lret == -ERESTARTSYS) | |
13778 | return lret; | |
3c28ff22 | 13779 | |
bcf8be27 | 13780 | WARN(lret < 0, "waiting returns %li\n", lret); |
3c28ff22 AG |
13781 | } |
13782 | ||
1ee49399 ML |
13783 | if (!obj) { |
13784 | ret = 0; | |
13785 | } else if (plane->type == DRM_PLANE_TYPE_CURSOR && | |
6beb8c23 MR |
13786 | INTEL_INFO(dev)->cursor_needs_physical) { |
13787 | int align = IS_I830(dev) ? 16 * 1024 : 256; | |
13788 | ret = i915_gem_object_attach_phys(obj, align); | |
13789 | if (ret) | |
13790 | DRM_DEBUG_KMS("failed to attach phys object\n"); | |
13791 | } else { | |
3465c580 | 13792 | ret = intel_pin_and_fence_fb_obj(fb, new_state->rotation); |
6beb8c23 | 13793 | } |
465c120c | 13794 | |
7580d774 ML |
13795 | if (ret == 0) { |
13796 | if (obj) { | |
13797 | struct intel_plane_state *plane_state = | |
13798 | to_intel_plane_state(new_state); | |
13799 | ||
13800 | i915_gem_request_assign(&plane_state->wait_req, | |
13801 | obj->last_write_req); | |
13802 | } | |
13803 | ||
a9ff8714 | 13804 | i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit); |
7580d774 | 13805 | } |
fdd508a6 | 13806 | |
6beb8c23 MR |
13807 | return ret; |
13808 | } | |
13809 | ||
38f3ce3a MR |
13810 | /** |
13811 | * intel_cleanup_plane_fb - Cleans up an fb after plane use | |
13812 | * @plane: drm plane to clean up for | |
13813 | * @fb: old framebuffer that was on plane | |
13814 | * | |
13815 | * Cleans up a framebuffer that has just been removed from a plane. | |
f935675f ML |
13816 | * |
13817 | * Must be called with struct_mutex held. | |
38f3ce3a MR |
13818 | */ |
13819 | void | |
13820 | intel_cleanup_plane_fb(struct drm_plane *plane, | |
d136dfee | 13821 | const struct drm_plane_state *old_state) |
38f3ce3a MR |
13822 | { |
13823 | struct drm_device *dev = plane->dev; | |
1ee49399 | 13824 | struct intel_plane *intel_plane = to_intel_plane(plane); |
7580d774 | 13825 | struct intel_plane_state *old_intel_state; |
1ee49399 ML |
13826 | struct drm_i915_gem_object *old_obj = intel_fb_obj(old_state->fb); |
13827 | struct drm_i915_gem_object *obj = intel_fb_obj(plane->state->fb); | |
38f3ce3a | 13828 | |
7580d774 ML |
13829 | old_intel_state = to_intel_plane_state(old_state); |
13830 | ||
1ee49399 | 13831 | if (!obj && !old_obj) |
38f3ce3a MR |
13832 | return; |
13833 | ||
1ee49399 ML |
13834 | if (old_obj && (plane->type != DRM_PLANE_TYPE_CURSOR || |
13835 | !INTEL_INFO(dev)->cursor_needs_physical)) | |
3465c580 | 13836 | intel_unpin_fb_obj(old_state->fb, old_state->rotation); |
1ee49399 ML |
13837 | |
13838 | /* prepare_fb aborted? */ | |
13839 | if ((old_obj && (old_obj->frontbuffer_bits & intel_plane->frontbuffer_bit)) || | |
13840 | (obj && !(obj->frontbuffer_bits & intel_plane->frontbuffer_bit))) | |
13841 | i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit); | |
7580d774 ML |
13842 | |
13843 | i915_gem_request_assign(&old_intel_state->wait_req, NULL); | |
465c120c MR |
13844 | } |
13845 | ||
6156a456 CK |
13846 | int |
13847 | skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state) | |
13848 | { | |
13849 | int max_scale; | |
13850 | struct drm_device *dev; | |
13851 | struct drm_i915_private *dev_priv; | |
13852 | int crtc_clock, cdclk; | |
13853 | ||
bf8a0af0 | 13854 | if (!intel_crtc || !crtc_state->base.enable) |
6156a456 CK |
13855 | return DRM_PLANE_HELPER_NO_SCALING; |
13856 | ||
13857 | dev = intel_crtc->base.dev; | |
13858 | dev_priv = dev->dev_private; | |
13859 | crtc_clock = crtc_state->base.adjusted_mode.crtc_clock; | |
27c329ed | 13860 | cdclk = to_intel_atomic_state(crtc_state->base.state)->cdclk; |
6156a456 | 13861 | |
54bf1ce6 | 13862 | if (WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock)) |
6156a456 CK |
13863 | return DRM_PLANE_HELPER_NO_SCALING; |
13864 | ||
13865 | /* | |
13866 | * skl max scale is lower of: | |
13867 | * close to 3 but not 3, -1 is for that purpose | |
13868 | * or | |
13869 | * cdclk/crtc_clock | |
13870 | */ | |
13871 | max_scale = min((1 << 16) * 3 - 1, (1 << 8) * ((cdclk << 8) / crtc_clock)); | |
13872 | ||
13873 | return max_scale; | |
13874 | } | |
13875 | ||
465c120c | 13876 | static int |
3c692a41 | 13877 | intel_check_primary_plane(struct drm_plane *plane, |
061e4b8d | 13878 | struct intel_crtc_state *crtc_state, |
3c692a41 GP |
13879 | struct intel_plane_state *state) |
13880 | { | |
2b875c22 MR |
13881 | struct drm_crtc *crtc = state->base.crtc; |
13882 | struct drm_framebuffer *fb = state->base.fb; | |
6156a456 | 13883 | int min_scale = DRM_PLANE_HELPER_NO_SCALING; |
061e4b8d ML |
13884 | int max_scale = DRM_PLANE_HELPER_NO_SCALING; |
13885 | bool can_position = false; | |
465c120c | 13886 | |
693bdc28 VS |
13887 | if (INTEL_INFO(plane->dev)->gen >= 9) { |
13888 | /* use scaler when colorkey is not required */ | |
13889 | if (state->ckey.flags == I915_SET_COLORKEY_NONE) { | |
13890 | min_scale = 1; | |
13891 | max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state); | |
13892 | } | |
d8106366 | 13893 | can_position = true; |
6156a456 | 13894 | } |
d8106366 | 13895 | |
061e4b8d ML |
13896 | return drm_plane_helper_check_update(plane, crtc, fb, &state->src, |
13897 | &state->dst, &state->clip, | |
da20eabd ML |
13898 | min_scale, max_scale, |
13899 | can_position, true, | |
13900 | &state->visible); | |
14af293f GP |
13901 | } |
13902 | ||
613d2b27 ML |
13903 | static void intel_begin_crtc_commit(struct drm_crtc *crtc, |
13904 | struct drm_crtc_state *old_crtc_state) | |
3c692a41 | 13905 | { |
32b7eeec | 13906 | struct drm_device *dev = crtc->dev; |
3c692a41 | 13907 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
bfd16b2a ML |
13908 | struct intel_crtc_state *old_intel_state = |
13909 | to_intel_crtc_state(old_crtc_state); | |
13910 | bool modeset = needs_modeset(crtc->state); | |
3c692a41 | 13911 | |
c34c9ee4 | 13912 | /* Perform vblank evasion around commit operation */ |
62852622 | 13913 | intel_pipe_update_start(intel_crtc); |
0583236e | 13914 | |
bfd16b2a ML |
13915 | if (modeset) |
13916 | return; | |
13917 | ||
13918 | if (to_intel_crtc_state(crtc->state)->update_pipe) | |
13919 | intel_update_pipe_config(intel_crtc, old_intel_state); | |
13920 | else if (INTEL_INFO(dev)->gen >= 9) | |
0583236e | 13921 | skl_detach_scalers(intel_crtc); |
32b7eeec MR |
13922 | } |
13923 | ||
613d2b27 ML |
13924 | static void intel_finish_crtc_commit(struct drm_crtc *crtc, |
13925 | struct drm_crtc_state *old_crtc_state) | |
32b7eeec | 13926 | { |
32b7eeec | 13927 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
32b7eeec | 13928 | |
62852622 | 13929 | intel_pipe_update_end(intel_crtc); |
3c692a41 GP |
13930 | } |
13931 | ||
cf4c7c12 | 13932 | /** |
4a3b8769 MR |
13933 | * intel_plane_destroy - destroy a plane |
13934 | * @plane: plane to destroy | |
cf4c7c12 | 13935 | * |
4a3b8769 MR |
13936 | * Common destruction function for all types of planes (primary, cursor, |
13937 | * sprite). | |
cf4c7c12 | 13938 | */ |
4a3b8769 | 13939 | void intel_plane_destroy(struct drm_plane *plane) |
465c120c MR |
13940 | { |
13941 | struct intel_plane *intel_plane = to_intel_plane(plane); | |
13942 | drm_plane_cleanup(plane); | |
13943 | kfree(intel_plane); | |
13944 | } | |
13945 | ||
65a3fea0 | 13946 | const struct drm_plane_funcs intel_plane_funcs = { |
70a101f8 MR |
13947 | .update_plane = drm_atomic_helper_update_plane, |
13948 | .disable_plane = drm_atomic_helper_disable_plane, | |
3d7d6510 | 13949 | .destroy = intel_plane_destroy, |
c196e1d6 | 13950 | .set_property = drm_atomic_helper_plane_set_property, |
a98b3431 MR |
13951 | .atomic_get_property = intel_plane_atomic_get_property, |
13952 | .atomic_set_property = intel_plane_atomic_set_property, | |
ea2c67bb MR |
13953 | .atomic_duplicate_state = intel_plane_duplicate_state, |
13954 | .atomic_destroy_state = intel_plane_destroy_state, | |
13955 | ||
465c120c MR |
13956 | }; |
13957 | ||
13958 | static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, | |
13959 | int pipe) | |
13960 | { | |
13961 | struct intel_plane *primary; | |
8e7d688b | 13962 | struct intel_plane_state *state; |
465c120c | 13963 | const uint32_t *intel_primary_formats; |
45e3743a | 13964 | unsigned int num_formats; |
465c120c MR |
13965 | |
13966 | primary = kzalloc(sizeof(*primary), GFP_KERNEL); | |
13967 | if (primary == NULL) | |
13968 | return NULL; | |
13969 | ||
8e7d688b MR |
13970 | state = intel_create_plane_state(&primary->base); |
13971 | if (!state) { | |
ea2c67bb MR |
13972 | kfree(primary); |
13973 | return NULL; | |
13974 | } | |
8e7d688b | 13975 | primary->base.state = &state->base; |
ea2c67bb | 13976 | |
465c120c MR |
13977 | primary->can_scale = false; |
13978 | primary->max_downscale = 1; | |
6156a456 CK |
13979 | if (INTEL_INFO(dev)->gen >= 9) { |
13980 | primary->can_scale = true; | |
af99ceda | 13981 | state->scaler_id = -1; |
6156a456 | 13982 | } |
465c120c MR |
13983 | primary->pipe = pipe; |
13984 | primary->plane = pipe; | |
a9ff8714 | 13985 | primary->frontbuffer_bit = INTEL_FRONTBUFFER_PRIMARY(pipe); |
c59cb179 | 13986 | primary->check_plane = intel_check_primary_plane; |
465c120c MR |
13987 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) |
13988 | primary->plane = !pipe; | |
13989 | ||
6c0fd451 DL |
13990 | if (INTEL_INFO(dev)->gen >= 9) { |
13991 | intel_primary_formats = skl_primary_formats; | |
13992 | num_formats = ARRAY_SIZE(skl_primary_formats); | |
a8d201af ML |
13993 | |
13994 | primary->update_plane = skylake_update_primary_plane; | |
13995 | primary->disable_plane = skylake_disable_primary_plane; | |
13996 | } else if (HAS_PCH_SPLIT(dev)) { | |
13997 | intel_primary_formats = i965_primary_formats; | |
13998 | num_formats = ARRAY_SIZE(i965_primary_formats); | |
13999 | ||
14000 | primary->update_plane = ironlake_update_primary_plane; | |
14001 | primary->disable_plane = i9xx_disable_primary_plane; | |
6c0fd451 | 14002 | } else if (INTEL_INFO(dev)->gen >= 4) { |
568db4f2 DL |
14003 | intel_primary_formats = i965_primary_formats; |
14004 | num_formats = ARRAY_SIZE(i965_primary_formats); | |
a8d201af ML |
14005 | |
14006 | primary->update_plane = i9xx_update_primary_plane; | |
14007 | primary->disable_plane = i9xx_disable_primary_plane; | |
6c0fd451 DL |
14008 | } else { |
14009 | intel_primary_formats = i8xx_primary_formats; | |
14010 | num_formats = ARRAY_SIZE(i8xx_primary_formats); | |
a8d201af ML |
14011 | |
14012 | primary->update_plane = i9xx_update_primary_plane; | |
14013 | primary->disable_plane = i9xx_disable_primary_plane; | |
465c120c MR |
14014 | } |
14015 | ||
14016 | drm_universal_plane_init(dev, &primary->base, 0, | |
65a3fea0 | 14017 | &intel_plane_funcs, |
465c120c | 14018 | intel_primary_formats, num_formats, |
b0b3b795 | 14019 | DRM_PLANE_TYPE_PRIMARY, NULL); |
48404c1e | 14020 | |
3b7a5119 SJ |
14021 | if (INTEL_INFO(dev)->gen >= 4) |
14022 | intel_create_rotation_property(dev, primary); | |
48404c1e | 14023 | |
ea2c67bb MR |
14024 | drm_plane_helper_add(&primary->base, &intel_plane_helper_funcs); |
14025 | ||
465c120c MR |
14026 | return &primary->base; |
14027 | } | |
14028 | ||
3b7a5119 SJ |
14029 | void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *plane) |
14030 | { | |
14031 | if (!dev->mode_config.rotation_property) { | |
14032 | unsigned long flags = BIT(DRM_ROTATE_0) | | |
14033 | BIT(DRM_ROTATE_180); | |
14034 | ||
14035 | if (INTEL_INFO(dev)->gen >= 9) | |
14036 | flags |= BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270); | |
14037 | ||
14038 | dev->mode_config.rotation_property = | |
14039 | drm_mode_create_rotation_property(dev, flags); | |
14040 | } | |
14041 | if (dev->mode_config.rotation_property) | |
14042 | drm_object_attach_property(&plane->base.base, | |
14043 | dev->mode_config.rotation_property, | |
14044 | plane->base.state->rotation); | |
14045 | } | |
14046 | ||
3d7d6510 | 14047 | static int |
852e787c | 14048 | intel_check_cursor_plane(struct drm_plane *plane, |
061e4b8d | 14049 | struct intel_crtc_state *crtc_state, |
852e787c | 14050 | struct intel_plane_state *state) |
3d7d6510 | 14051 | { |
061e4b8d | 14052 | struct drm_crtc *crtc = crtc_state->base.crtc; |
2b875c22 | 14053 | struct drm_framebuffer *fb = state->base.fb; |
757f9a3e | 14054 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
b29ec92c | 14055 | enum pipe pipe = to_intel_plane(plane)->pipe; |
757f9a3e GP |
14056 | unsigned stride; |
14057 | int ret; | |
3d7d6510 | 14058 | |
061e4b8d ML |
14059 | ret = drm_plane_helper_check_update(plane, crtc, fb, &state->src, |
14060 | &state->dst, &state->clip, | |
3d7d6510 MR |
14061 | DRM_PLANE_HELPER_NO_SCALING, |
14062 | DRM_PLANE_HELPER_NO_SCALING, | |
852e787c | 14063 | true, true, &state->visible); |
757f9a3e GP |
14064 | if (ret) |
14065 | return ret; | |
14066 | ||
757f9a3e GP |
14067 | /* if we want to turn off the cursor ignore width and height */ |
14068 | if (!obj) | |
da20eabd | 14069 | return 0; |
757f9a3e | 14070 | |
757f9a3e | 14071 | /* Check for which cursor types we support */ |
061e4b8d | 14072 | if (!cursor_size_ok(plane->dev, state->base.crtc_w, state->base.crtc_h)) { |
ea2c67bb MR |
14073 | DRM_DEBUG("Cursor dimension %dx%d not supported\n", |
14074 | state->base.crtc_w, state->base.crtc_h); | |
757f9a3e GP |
14075 | return -EINVAL; |
14076 | } | |
14077 | ||
ea2c67bb MR |
14078 | stride = roundup_pow_of_two(state->base.crtc_w) * 4; |
14079 | if (obj->base.size < stride * state->base.crtc_h) { | |
757f9a3e GP |
14080 | DRM_DEBUG_KMS("buffer is too small\n"); |
14081 | return -ENOMEM; | |
14082 | } | |
14083 | ||
3a656b54 | 14084 | if (fb->modifier[0] != DRM_FORMAT_MOD_NONE) { |
757f9a3e | 14085 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
da20eabd | 14086 | return -EINVAL; |
32b7eeec MR |
14087 | } |
14088 | ||
b29ec92c VS |
14089 | /* |
14090 | * There's something wrong with the cursor on CHV pipe C. | |
14091 | * If it straddles the left edge of the screen then | |
14092 | * moving it away from the edge or disabling it often | |
14093 | * results in a pipe underrun, and often that can lead to | |
14094 | * dead pipe (constant underrun reported, and it scans | |
14095 | * out just a solid color). To recover from that, the | |
14096 | * display power well must be turned off and on again. | |
14097 | * Refuse the put the cursor into that compromised position. | |
14098 | */ | |
14099 | if (IS_CHERRYVIEW(plane->dev) && pipe == PIPE_C && | |
14100 | state->visible && state->base.crtc_x < 0) { | |
14101 | DRM_DEBUG_KMS("CHV cursor C not allowed to straddle the left screen edge\n"); | |
14102 | return -EINVAL; | |
14103 | } | |
14104 | ||
da20eabd | 14105 | return 0; |
852e787c | 14106 | } |
3d7d6510 | 14107 | |
a8ad0d8e ML |
14108 | static void |
14109 | intel_disable_cursor_plane(struct drm_plane *plane, | |
7fabf5ef | 14110 | struct drm_crtc *crtc) |
a8ad0d8e | 14111 | { |
f2858021 ML |
14112 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
14113 | ||
14114 | intel_crtc->cursor_addr = 0; | |
55a08b3f | 14115 | intel_crtc_update_cursor(crtc, NULL); |
a8ad0d8e ML |
14116 | } |
14117 | ||
f4a2cf29 | 14118 | static void |
55a08b3f ML |
14119 | intel_update_cursor_plane(struct drm_plane *plane, |
14120 | const struct intel_crtc_state *crtc_state, | |
14121 | const struct intel_plane_state *state) | |
852e787c | 14122 | { |
55a08b3f ML |
14123 | struct drm_crtc *crtc = crtc_state->base.crtc; |
14124 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ea2c67bb | 14125 | struct drm_device *dev = plane->dev; |
2b875c22 | 14126 | struct drm_i915_gem_object *obj = intel_fb_obj(state->base.fb); |
a912f12f | 14127 | uint32_t addr; |
852e787c | 14128 | |
f4a2cf29 | 14129 | if (!obj) |
a912f12f | 14130 | addr = 0; |
f4a2cf29 | 14131 | else if (!INTEL_INFO(dev)->cursor_needs_physical) |
a912f12f | 14132 | addr = i915_gem_obj_ggtt_offset(obj); |
f4a2cf29 | 14133 | else |
a912f12f | 14134 | addr = obj->phys_handle->busaddr; |
852e787c | 14135 | |
a912f12f | 14136 | intel_crtc->cursor_addr = addr; |
55a08b3f | 14137 | intel_crtc_update_cursor(crtc, state); |
852e787c GP |
14138 | } |
14139 | ||
3d7d6510 MR |
14140 | static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, |
14141 | int pipe) | |
14142 | { | |
14143 | struct intel_plane *cursor; | |
8e7d688b | 14144 | struct intel_plane_state *state; |
3d7d6510 MR |
14145 | |
14146 | cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); | |
14147 | if (cursor == NULL) | |
14148 | return NULL; | |
14149 | ||
8e7d688b MR |
14150 | state = intel_create_plane_state(&cursor->base); |
14151 | if (!state) { | |
ea2c67bb MR |
14152 | kfree(cursor); |
14153 | return NULL; | |
14154 | } | |
8e7d688b | 14155 | cursor->base.state = &state->base; |
ea2c67bb | 14156 | |
3d7d6510 MR |
14157 | cursor->can_scale = false; |
14158 | cursor->max_downscale = 1; | |
14159 | cursor->pipe = pipe; | |
14160 | cursor->plane = pipe; | |
a9ff8714 | 14161 | cursor->frontbuffer_bit = INTEL_FRONTBUFFER_CURSOR(pipe); |
c59cb179 | 14162 | cursor->check_plane = intel_check_cursor_plane; |
55a08b3f | 14163 | cursor->update_plane = intel_update_cursor_plane; |
a8ad0d8e | 14164 | cursor->disable_plane = intel_disable_cursor_plane; |
3d7d6510 MR |
14165 | |
14166 | drm_universal_plane_init(dev, &cursor->base, 0, | |
65a3fea0 | 14167 | &intel_plane_funcs, |
3d7d6510 MR |
14168 | intel_cursor_formats, |
14169 | ARRAY_SIZE(intel_cursor_formats), | |
b0b3b795 | 14170 | DRM_PLANE_TYPE_CURSOR, NULL); |
4398ad45 VS |
14171 | |
14172 | if (INTEL_INFO(dev)->gen >= 4) { | |
14173 | if (!dev->mode_config.rotation_property) | |
14174 | dev->mode_config.rotation_property = | |
14175 | drm_mode_create_rotation_property(dev, | |
14176 | BIT(DRM_ROTATE_0) | | |
14177 | BIT(DRM_ROTATE_180)); | |
14178 | if (dev->mode_config.rotation_property) | |
14179 | drm_object_attach_property(&cursor->base.base, | |
14180 | dev->mode_config.rotation_property, | |
8e7d688b | 14181 | state->base.rotation); |
4398ad45 VS |
14182 | } |
14183 | ||
af99ceda CK |
14184 | if (INTEL_INFO(dev)->gen >=9) |
14185 | state->scaler_id = -1; | |
14186 | ||
ea2c67bb MR |
14187 | drm_plane_helper_add(&cursor->base, &intel_plane_helper_funcs); |
14188 | ||
3d7d6510 MR |
14189 | return &cursor->base; |
14190 | } | |
14191 | ||
549e2bfb CK |
14192 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
14193 | struct intel_crtc_state *crtc_state) | |
14194 | { | |
14195 | int i; | |
14196 | struct intel_scaler *intel_scaler; | |
14197 | struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; | |
14198 | ||
14199 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
14200 | intel_scaler = &scaler_state->scalers[i]; | |
14201 | intel_scaler->in_use = 0; | |
549e2bfb CK |
14202 | intel_scaler->mode = PS_SCALER_MODE_DYN; |
14203 | } | |
14204 | ||
14205 | scaler_state->scaler_id = -1; | |
14206 | } | |
14207 | ||
b358d0a6 | 14208 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 | 14209 | { |
fbee40df | 14210 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 14211 | struct intel_crtc *intel_crtc; |
f5de6e07 | 14212 | struct intel_crtc_state *crtc_state = NULL; |
3d7d6510 MR |
14213 | struct drm_plane *primary = NULL; |
14214 | struct drm_plane *cursor = NULL; | |
465c120c | 14215 | int i, ret; |
79e53945 | 14216 | |
955382f3 | 14217 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
79e53945 JB |
14218 | if (intel_crtc == NULL) |
14219 | return; | |
14220 | ||
f5de6e07 ACO |
14221 | crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL); |
14222 | if (!crtc_state) | |
14223 | goto fail; | |
550acefd ACO |
14224 | intel_crtc->config = crtc_state; |
14225 | intel_crtc->base.state = &crtc_state->base; | |
07878248 | 14226 | crtc_state->base.crtc = &intel_crtc->base; |
f5de6e07 | 14227 | |
549e2bfb CK |
14228 | /* initialize shared scalers */ |
14229 | if (INTEL_INFO(dev)->gen >= 9) { | |
14230 | if (pipe == PIPE_C) | |
14231 | intel_crtc->num_scalers = 1; | |
14232 | else | |
14233 | intel_crtc->num_scalers = SKL_NUM_SCALERS; | |
14234 | ||
14235 | skl_init_scalers(dev, intel_crtc, crtc_state); | |
14236 | } | |
14237 | ||
465c120c | 14238 | primary = intel_primary_plane_create(dev, pipe); |
3d7d6510 MR |
14239 | if (!primary) |
14240 | goto fail; | |
14241 | ||
14242 | cursor = intel_cursor_plane_create(dev, pipe); | |
14243 | if (!cursor) | |
14244 | goto fail; | |
14245 | ||
465c120c | 14246 | ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary, |
f9882876 | 14247 | cursor, &intel_crtc_funcs, NULL); |
3d7d6510 MR |
14248 | if (ret) |
14249 | goto fail; | |
79e53945 JB |
14250 | |
14251 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); | |
79e53945 JB |
14252 | for (i = 0; i < 256; i++) { |
14253 | intel_crtc->lut_r[i] = i; | |
14254 | intel_crtc->lut_g[i] = i; | |
14255 | intel_crtc->lut_b[i] = i; | |
14256 | } | |
14257 | ||
1f1c2e24 VS |
14258 | /* |
14259 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port | |
8c0f92e1 | 14260 | * is hooked to pipe B. Hence we want plane A feeding pipe B. |
1f1c2e24 | 14261 | */ |
80824003 JB |
14262 | intel_crtc->pipe = pipe; |
14263 | intel_crtc->plane = pipe; | |
3a77c4c4 | 14264 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
28c97730 | 14265 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
e2e767ab | 14266 | intel_crtc->plane = !pipe; |
80824003 JB |
14267 | } |
14268 | ||
4b0e333e CW |
14269 | intel_crtc->cursor_base = ~0; |
14270 | intel_crtc->cursor_cntl = ~0; | |
dc41c154 | 14271 | intel_crtc->cursor_size = ~0; |
8d7849db | 14272 | |
852eb00d VS |
14273 | intel_crtc->wm.cxsr_allowed = true; |
14274 | ||
22fd0fab JB |
14275 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
14276 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); | |
14277 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; | |
14278 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; | |
14279 | ||
79e53945 | 14280 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
87b6b101 DV |
14281 | |
14282 | WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe); | |
3d7d6510 MR |
14283 | return; |
14284 | ||
14285 | fail: | |
14286 | if (primary) | |
14287 | drm_plane_cleanup(primary); | |
14288 | if (cursor) | |
14289 | drm_plane_cleanup(cursor); | |
f5de6e07 | 14290 | kfree(crtc_state); |
3d7d6510 | 14291 | kfree(intel_crtc); |
79e53945 JB |
14292 | } |
14293 | ||
752aa88a JB |
14294 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
14295 | { | |
14296 | struct drm_encoder *encoder = connector->base.encoder; | |
6e9f798d | 14297 | struct drm_device *dev = connector->base.dev; |
752aa88a | 14298 | |
51fd371b | 14299 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
752aa88a | 14300 | |
d3babd3f | 14301 | if (!encoder || WARN_ON(!encoder->crtc)) |
752aa88a JB |
14302 | return INVALID_PIPE; |
14303 | ||
14304 | return to_intel_crtc(encoder->crtc)->pipe; | |
14305 | } | |
14306 | ||
08d7b3d1 | 14307 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
05394f39 | 14308 | struct drm_file *file) |
08d7b3d1 | 14309 | { |
08d7b3d1 | 14310 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
7707e653 | 14311 | struct drm_crtc *drmmode_crtc; |
c05422d5 | 14312 | struct intel_crtc *crtc; |
08d7b3d1 | 14313 | |
7707e653 | 14314 | drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); |
08d7b3d1 | 14315 | |
7707e653 | 14316 | if (!drmmode_crtc) { |
08d7b3d1 | 14317 | DRM_ERROR("no such CRTC id\n"); |
3f2c2057 | 14318 | return -ENOENT; |
08d7b3d1 CW |
14319 | } |
14320 | ||
7707e653 | 14321 | crtc = to_intel_crtc(drmmode_crtc); |
c05422d5 | 14322 | pipe_from_crtc_id->pipe = crtc->pipe; |
08d7b3d1 | 14323 | |
c05422d5 | 14324 | return 0; |
08d7b3d1 CW |
14325 | } |
14326 | ||
66a9278e | 14327 | static int intel_encoder_clones(struct intel_encoder *encoder) |
79e53945 | 14328 | { |
66a9278e DV |
14329 | struct drm_device *dev = encoder->base.dev; |
14330 | struct intel_encoder *source_encoder; | |
79e53945 | 14331 | int index_mask = 0; |
79e53945 JB |
14332 | int entry = 0; |
14333 | ||
b2784e15 | 14334 | for_each_intel_encoder(dev, source_encoder) { |
bc079e8b | 14335 | if (encoders_cloneable(encoder, source_encoder)) |
66a9278e DV |
14336 | index_mask |= (1 << entry); |
14337 | ||
79e53945 JB |
14338 | entry++; |
14339 | } | |
4ef69c7a | 14340 | |
79e53945 JB |
14341 | return index_mask; |
14342 | } | |
14343 | ||
4d302442 CW |
14344 | static bool has_edp_a(struct drm_device *dev) |
14345 | { | |
14346 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14347 | ||
14348 | if (!IS_MOBILE(dev)) | |
14349 | return false; | |
14350 | ||
14351 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) | |
14352 | return false; | |
14353 | ||
e3589908 | 14354 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
4d302442 CW |
14355 | return false; |
14356 | ||
14357 | return true; | |
14358 | } | |
14359 | ||
84b4e042 JB |
14360 | static bool intel_crt_present(struct drm_device *dev) |
14361 | { | |
14362 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14363 | ||
884497ed DL |
14364 | if (INTEL_INFO(dev)->gen >= 9) |
14365 | return false; | |
14366 | ||
cf404ce4 | 14367 | if (IS_HSW_ULT(dev) || IS_BDW_ULT(dev)) |
84b4e042 JB |
14368 | return false; |
14369 | ||
14370 | if (IS_CHERRYVIEW(dev)) | |
14371 | return false; | |
14372 | ||
65e472e4 VS |
14373 | if (HAS_PCH_LPT_H(dev) && I915_READ(SFUSE_STRAP) & SFUSE_STRAP_CRT_DISABLED) |
14374 | return false; | |
14375 | ||
70ac54d0 VS |
14376 | /* DDI E can't be used if DDI A requires 4 lanes */ |
14377 | if (HAS_DDI(dev) && I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES) | |
14378 | return false; | |
14379 | ||
e4abb733 | 14380 | if (!dev_priv->vbt.int_crt_support) |
84b4e042 JB |
14381 | return false; |
14382 | ||
14383 | return true; | |
14384 | } | |
14385 | ||
79e53945 JB |
14386 | static void intel_setup_outputs(struct drm_device *dev) |
14387 | { | |
725e30ad | 14388 | struct drm_i915_private *dev_priv = dev->dev_private; |
4ef69c7a | 14389 | struct intel_encoder *encoder; |
cb0953d7 | 14390 | bool dpd_is_edp = false; |
79e53945 | 14391 | |
c9093354 | 14392 | intel_lvds_init(dev); |
79e53945 | 14393 | |
84b4e042 | 14394 | if (intel_crt_present(dev)) |
79935fca | 14395 | intel_crt_init(dev); |
cb0953d7 | 14396 | |
c776eb2e VK |
14397 | if (IS_BROXTON(dev)) { |
14398 | /* | |
14399 | * FIXME: Broxton doesn't support port detection via the | |
14400 | * DDI_BUF_CTL_A or SFUSE_STRAP registers, find another way to | |
14401 | * detect the ports. | |
14402 | */ | |
14403 | intel_ddi_init(dev, PORT_A); | |
14404 | intel_ddi_init(dev, PORT_B); | |
14405 | intel_ddi_init(dev, PORT_C); | |
14406 | } else if (HAS_DDI(dev)) { | |
0e72a5b5 ED |
14407 | int found; |
14408 | ||
de31facd JB |
14409 | /* |
14410 | * Haswell uses DDI functions to detect digital outputs. | |
14411 | * On SKL pre-D0 the strap isn't connected, so we assume | |
14412 | * it's there. | |
14413 | */ | |
77179400 | 14414 | found = I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_INIT_DISPLAY_DETECTED; |
de31facd | 14415 | /* WaIgnoreDDIAStrap: skl */ |
ef11bdb3 | 14416 | if (found || IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) |
0e72a5b5 ED |
14417 | intel_ddi_init(dev, PORT_A); |
14418 | ||
14419 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP | |
14420 | * register */ | |
14421 | found = I915_READ(SFUSE_STRAP); | |
14422 | ||
14423 | if (found & SFUSE_STRAP_DDIB_DETECTED) | |
14424 | intel_ddi_init(dev, PORT_B); | |
14425 | if (found & SFUSE_STRAP_DDIC_DETECTED) | |
14426 | intel_ddi_init(dev, PORT_C); | |
14427 | if (found & SFUSE_STRAP_DDID_DETECTED) | |
14428 | intel_ddi_init(dev, PORT_D); | |
2800e4c2 RV |
14429 | /* |
14430 | * On SKL we don't have a way to detect DDI-E so we rely on VBT. | |
14431 | */ | |
ef11bdb3 | 14432 | if ((IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) && |
2800e4c2 RV |
14433 | (dev_priv->vbt.ddi_port_info[PORT_E].supports_dp || |
14434 | dev_priv->vbt.ddi_port_info[PORT_E].supports_dvi || | |
14435 | dev_priv->vbt.ddi_port_info[PORT_E].supports_hdmi)) | |
14436 | intel_ddi_init(dev, PORT_E); | |
14437 | ||
0e72a5b5 | 14438 | } else if (HAS_PCH_SPLIT(dev)) { |
cb0953d7 | 14439 | int found; |
5d8a7752 | 14440 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
270b3042 DV |
14441 | |
14442 | if (has_edp_a(dev)) | |
14443 | intel_dp_init(dev, DP_A, PORT_A); | |
cb0953d7 | 14444 | |
dc0fa718 | 14445 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
461ed3ca | 14446 | /* PCH SDVOB multiplex with HDMIB */ |
2a5c0832 | 14447 | found = intel_sdvo_init(dev, PCH_SDVOB, PORT_B); |
30ad48b7 | 14448 | if (!found) |
e2debe91 | 14449 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
5eb08b69 | 14450 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
ab9d7c30 | 14451 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
30ad48b7 ZW |
14452 | } |
14453 | ||
dc0fa718 | 14454 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
e2debe91 | 14455 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
30ad48b7 | 14456 | |
dc0fa718 | 14457 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
e2debe91 | 14458 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
30ad48b7 | 14459 | |
5eb08b69 | 14460 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
ab9d7c30 | 14461 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
5eb08b69 | 14462 | |
270b3042 | 14463 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
ab9d7c30 | 14464 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
666a4537 | 14465 | } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
e17ac6db VS |
14466 | /* |
14467 | * The DP_DETECTED bit is the latched state of the DDC | |
14468 | * SDA pin at boot. However since eDP doesn't require DDC | |
14469 | * (no way to plug in a DP->HDMI dongle) the DDC pins for | |
14470 | * eDP ports may have been muxed to an alternate function. | |
14471 | * Thus we can't rely on the DP_DETECTED bit alone to detect | |
14472 | * eDP ports. Consult the VBT as well as DP_DETECTED to | |
14473 | * detect eDP ports. | |
14474 | */ | |
e66eb81d | 14475 | if (I915_READ(VLV_HDMIB) & SDVO_DETECTED && |
d2182a66 | 14476 | !intel_dp_is_edp(dev, PORT_B)) |
e66eb81d VS |
14477 | intel_hdmi_init(dev, VLV_HDMIB, PORT_B); |
14478 | if (I915_READ(VLV_DP_B) & DP_DETECTED || | |
e17ac6db | 14479 | intel_dp_is_edp(dev, PORT_B)) |
e66eb81d | 14480 | intel_dp_init(dev, VLV_DP_B, PORT_B); |
585a94b8 | 14481 | |
e66eb81d | 14482 | if (I915_READ(VLV_HDMIC) & SDVO_DETECTED && |
d2182a66 | 14483 | !intel_dp_is_edp(dev, PORT_C)) |
e66eb81d VS |
14484 | intel_hdmi_init(dev, VLV_HDMIC, PORT_C); |
14485 | if (I915_READ(VLV_DP_C) & DP_DETECTED || | |
e17ac6db | 14486 | intel_dp_is_edp(dev, PORT_C)) |
e66eb81d | 14487 | intel_dp_init(dev, VLV_DP_C, PORT_C); |
19c03924 | 14488 | |
9418c1f1 | 14489 | if (IS_CHERRYVIEW(dev)) { |
e17ac6db | 14490 | /* eDP not supported on port D, so don't check VBT */ |
e66eb81d VS |
14491 | if (I915_READ(CHV_HDMID) & SDVO_DETECTED) |
14492 | intel_hdmi_init(dev, CHV_HDMID, PORT_D); | |
14493 | if (I915_READ(CHV_DP_D) & DP_DETECTED) | |
14494 | intel_dp_init(dev, CHV_DP_D, PORT_D); | |
9418c1f1 VS |
14495 | } |
14496 | ||
3cfca973 | 14497 | intel_dsi_init(dev); |
09da55dc | 14498 | } else if (!IS_GEN2(dev) && !IS_PINEVIEW(dev)) { |
27185ae1 | 14499 | bool found = false; |
7d57382e | 14500 | |
e2debe91 | 14501 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 14502 | DRM_DEBUG_KMS("probing SDVOB\n"); |
2a5c0832 | 14503 | found = intel_sdvo_init(dev, GEN3_SDVOB, PORT_B); |
3fec3d2f | 14504 | if (!found && IS_G4X(dev)) { |
b01f2c3a | 14505 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); |
e2debe91 | 14506 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
b01f2c3a | 14507 | } |
27185ae1 | 14508 | |
3fec3d2f | 14509 | if (!found && IS_G4X(dev)) |
ab9d7c30 | 14510 | intel_dp_init(dev, DP_B, PORT_B); |
725e30ad | 14511 | } |
13520b05 KH |
14512 | |
14513 | /* Before G4X SDVOC doesn't have its own detect register */ | |
13520b05 | 14514 | |
e2debe91 | 14515 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 14516 | DRM_DEBUG_KMS("probing SDVOC\n"); |
2a5c0832 | 14517 | found = intel_sdvo_init(dev, GEN3_SDVOC, PORT_C); |
b01f2c3a | 14518 | } |
27185ae1 | 14519 | |
e2debe91 | 14520 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
27185ae1 | 14521 | |
3fec3d2f | 14522 | if (IS_G4X(dev)) { |
b01f2c3a | 14523 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); |
e2debe91 | 14524 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
b01f2c3a | 14525 | } |
3fec3d2f | 14526 | if (IS_G4X(dev)) |
ab9d7c30 | 14527 | intel_dp_init(dev, DP_C, PORT_C); |
725e30ad | 14528 | } |
27185ae1 | 14529 | |
3fec3d2f | 14530 | if (IS_G4X(dev) && |
e7281eab | 14531 | (I915_READ(DP_D) & DP_DETECTED)) |
ab9d7c30 | 14532 | intel_dp_init(dev, DP_D, PORT_D); |
bad720ff | 14533 | } else if (IS_GEN2(dev)) |
79e53945 JB |
14534 | intel_dvo_init(dev); |
14535 | ||
103a196f | 14536 | if (SUPPORTS_TV(dev)) |
79e53945 JB |
14537 | intel_tv_init(dev); |
14538 | ||
0bc12bcb | 14539 | intel_psr_init(dev); |
7c8f8a70 | 14540 | |
b2784e15 | 14541 | for_each_intel_encoder(dev, encoder) { |
4ef69c7a CW |
14542 | encoder->base.possible_crtcs = encoder->crtc_mask; |
14543 | encoder->base.possible_clones = | |
66a9278e | 14544 | intel_encoder_clones(encoder); |
79e53945 | 14545 | } |
47356eb6 | 14546 | |
dde86e2d | 14547 | intel_init_pch_refclk(dev); |
270b3042 DV |
14548 | |
14549 | drm_helper_move_panel_connectors_to_head(dev); | |
79e53945 JB |
14550 | } |
14551 | ||
14552 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
14553 | { | |
60a5ca01 | 14554 | struct drm_device *dev = fb->dev; |
79e53945 | 14555 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
79e53945 | 14556 | |
ef2d633e | 14557 | drm_framebuffer_cleanup(fb); |
60a5ca01 | 14558 | mutex_lock(&dev->struct_mutex); |
ef2d633e | 14559 | WARN_ON(!intel_fb->obj->framebuffer_references--); |
60a5ca01 VS |
14560 | drm_gem_object_unreference(&intel_fb->obj->base); |
14561 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
14562 | kfree(intel_fb); |
14563 | } | |
14564 | ||
14565 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
05394f39 | 14566 | struct drm_file *file, |
79e53945 JB |
14567 | unsigned int *handle) |
14568 | { | |
14569 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
05394f39 | 14570 | struct drm_i915_gem_object *obj = intel_fb->obj; |
79e53945 | 14571 | |
cc917ab4 CW |
14572 | if (obj->userptr.mm) { |
14573 | DRM_DEBUG("attempting to use a userptr for a framebuffer, denied\n"); | |
14574 | return -EINVAL; | |
14575 | } | |
14576 | ||
05394f39 | 14577 | return drm_gem_handle_create(file, &obj->base, handle); |
79e53945 JB |
14578 | } |
14579 | ||
86c98588 RV |
14580 | static int intel_user_framebuffer_dirty(struct drm_framebuffer *fb, |
14581 | struct drm_file *file, | |
14582 | unsigned flags, unsigned color, | |
14583 | struct drm_clip_rect *clips, | |
14584 | unsigned num_clips) | |
14585 | { | |
14586 | struct drm_device *dev = fb->dev; | |
14587 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
14588 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
14589 | ||
14590 | mutex_lock(&dev->struct_mutex); | |
74b4ea1e | 14591 | intel_fb_obj_flush(obj, false, ORIGIN_DIRTYFB); |
86c98588 RV |
14592 | mutex_unlock(&dev->struct_mutex); |
14593 | ||
14594 | return 0; | |
14595 | } | |
14596 | ||
79e53945 JB |
14597 | static const struct drm_framebuffer_funcs intel_fb_funcs = { |
14598 | .destroy = intel_user_framebuffer_destroy, | |
14599 | .create_handle = intel_user_framebuffer_create_handle, | |
86c98588 | 14600 | .dirty = intel_user_framebuffer_dirty, |
79e53945 JB |
14601 | }; |
14602 | ||
b321803d DL |
14603 | static |
14604 | u32 intel_fb_pitch_limit(struct drm_device *dev, uint64_t fb_modifier, | |
14605 | uint32_t pixel_format) | |
14606 | { | |
14607 | u32 gen = INTEL_INFO(dev)->gen; | |
14608 | ||
14609 | if (gen >= 9) { | |
ac484963 VS |
14610 | int cpp = drm_format_plane_cpp(pixel_format, 0); |
14611 | ||
b321803d DL |
14612 | /* "The stride in bytes must not exceed the of the size of 8K |
14613 | * pixels and 32K bytes." | |
14614 | */ | |
ac484963 | 14615 | return min(8192 * cpp, 32768); |
666a4537 | 14616 | } else if (gen >= 5 && !IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev)) { |
b321803d DL |
14617 | return 32*1024; |
14618 | } else if (gen >= 4) { | |
14619 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
14620 | return 16*1024; | |
14621 | else | |
14622 | return 32*1024; | |
14623 | } else if (gen >= 3) { | |
14624 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
14625 | return 8*1024; | |
14626 | else | |
14627 | return 16*1024; | |
14628 | } else { | |
14629 | /* XXX DSPC is limited to 4k tiled */ | |
14630 | return 8*1024; | |
14631 | } | |
14632 | } | |
14633 | ||
b5ea642a DV |
14634 | static int intel_framebuffer_init(struct drm_device *dev, |
14635 | struct intel_framebuffer *intel_fb, | |
14636 | struct drm_mode_fb_cmd2 *mode_cmd, | |
14637 | struct drm_i915_gem_object *obj) | |
79e53945 | 14638 | { |
7b49f948 | 14639 | struct drm_i915_private *dev_priv = to_i915(dev); |
6761dd31 | 14640 | unsigned int aligned_height; |
79e53945 | 14641 | int ret; |
b321803d | 14642 | u32 pitch_limit, stride_alignment; |
79e53945 | 14643 | |
dd4916c5 DV |
14644 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
14645 | ||
2a80eada DV |
14646 | if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { |
14647 | /* Enforce that fb modifier and tiling mode match, but only for | |
14648 | * X-tiled. This is needed for FBC. */ | |
14649 | if (!!(obj->tiling_mode == I915_TILING_X) != | |
14650 | !!(mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED)) { | |
14651 | DRM_DEBUG("tiling_mode doesn't match fb modifier\n"); | |
14652 | return -EINVAL; | |
14653 | } | |
14654 | } else { | |
14655 | if (obj->tiling_mode == I915_TILING_X) | |
14656 | mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
14657 | else if (obj->tiling_mode == I915_TILING_Y) { | |
14658 | DRM_DEBUG("No Y tiling for legacy addfb\n"); | |
14659 | return -EINVAL; | |
14660 | } | |
14661 | } | |
14662 | ||
9a8f0a12 TU |
14663 | /* Passed in modifier sanity checking. */ |
14664 | switch (mode_cmd->modifier[0]) { | |
14665 | case I915_FORMAT_MOD_Y_TILED: | |
14666 | case I915_FORMAT_MOD_Yf_TILED: | |
14667 | if (INTEL_INFO(dev)->gen < 9) { | |
14668 | DRM_DEBUG("Unsupported tiling 0x%llx!\n", | |
14669 | mode_cmd->modifier[0]); | |
14670 | return -EINVAL; | |
14671 | } | |
14672 | case DRM_FORMAT_MOD_NONE: | |
14673 | case I915_FORMAT_MOD_X_TILED: | |
14674 | break; | |
14675 | default: | |
c0f40428 JB |
14676 | DRM_DEBUG("Unsupported fb modifier 0x%llx!\n", |
14677 | mode_cmd->modifier[0]); | |
57cd6508 | 14678 | return -EINVAL; |
c16ed4be | 14679 | } |
57cd6508 | 14680 | |
7b49f948 VS |
14681 | stride_alignment = intel_fb_stride_alignment(dev_priv, |
14682 | mode_cmd->modifier[0], | |
b321803d DL |
14683 | mode_cmd->pixel_format); |
14684 | if (mode_cmd->pitches[0] & (stride_alignment - 1)) { | |
14685 | DRM_DEBUG("pitch (%d) must be at least %u byte aligned\n", | |
14686 | mode_cmd->pitches[0], stride_alignment); | |
57cd6508 | 14687 | return -EINVAL; |
c16ed4be | 14688 | } |
57cd6508 | 14689 | |
b321803d DL |
14690 | pitch_limit = intel_fb_pitch_limit(dev, mode_cmd->modifier[0], |
14691 | mode_cmd->pixel_format); | |
a35cdaa0 | 14692 | if (mode_cmd->pitches[0] > pitch_limit) { |
b321803d DL |
14693 | DRM_DEBUG("%s pitch (%u) must be at less than %d\n", |
14694 | mode_cmd->modifier[0] != DRM_FORMAT_MOD_NONE ? | |
2a80eada | 14695 | "tiled" : "linear", |
a35cdaa0 | 14696 | mode_cmd->pitches[0], pitch_limit); |
5d7bd705 | 14697 | return -EINVAL; |
c16ed4be | 14698 | } |
5d7bd705 | 14699 | |
2a80eada | 14700 | if (mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED && |
c16ed4be CW |
14701 | mode_cmd->pitches[0] != obj->stride) { |
14702 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", | |
14703 | mode_cmd->pitches[0], obj->stride); | |
5d7bd705 | 14704 | return -EINVAL; |
c16ed4be | 14705 | } |
5d7bd705 | 14706 | |
57779d06 | 14707 | /* Reject formats not supported by any plane early. */ |
308e5bcb | 14708 | switch (mode_cmd->pixel_format) { |
57779d06 | 14709 | case DRM_FORMAT_C8: |
04b3924d VS |
14710 | case DRM_FORMAT_RGB565: |
14711 | case DRM_FORMAT_XRGB8888: | |
14712 | case DRM_FORMAT_ARGB8888: | |
57779d06 VS |
14713 | break; |
14714 | case DRM_FORMAT_XRGB1555: | |
c16ed4be | 14715 | if (INTEL_INFO(dev)->gen > 3) { |
4ee62c76 VS |
14716 | DRM_DEBUG("unsupported pixel format: %s\n", |
14717 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14718 | return -EINVAL; |
c16ed4be | 14719 | } |
57779d06 | 14720 | break; |
57779d06 | 14721 | case DRM_FORMAT_ABGR8888: |
666a4537 WB |
14722 | if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev) && |
14723 | INTEL_INFO(dev)->gen < 9) { | |
6c0fd451 DL |
14724 | DRM_DEBUG("unsupported pixel format: %s\n", |
14725 | drm_get_format_name(mode_cmd->pixel_format)); | |
14726 | return -EINVAL; | |
14727 | } | |
14728 | break; | |
14729 | case DRM_FORMAT_XBGR8888: | |
04b3924d | 14730 | case DRM_FORMAT_XRGB2101010: |
57779d06 | 14731 | case DRM_FORMAT_XBGR2101010: |
c16ed4be | 14732 | if (INTEL_INFO(dev)->gen < 4) { |
4ee62c76 VS |
14733 | DRM_DEBUG("unsupported pixel format: %s\n", |
14734 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14735 | return -EINVAL; |
c16ed4be | 14736 | } |
b5626747 | 14737 | break; |
7531208b | 14738 | case DRM_FORMAT_ABGR2101010: |
666a4537 | 14739 | if (!IS_VALLEYVIEW(dev) && !IS_CHERRYVIEW(dev)) { |
7531208b DL |
14740 | DRM_DEBUG("unsupported pixel format: %s\n", |
14741 | drm_get_format_name(mode_cmd->pixel_format)); | |
14742 | return -EINVAL; | |
14743 | } | |
14744 | break; | |
04b3924d VS |
14745 | case DRM_FORMAT_YUYV: |
14746 | case DRM_FORMAT_UYVY: | |
14747 | case DRM_FORMAT_YVYU: | |
14748 | case DRM_FORMAT_VYUY: | |
c16ed4be | 14749 | if (INTEL_INFO(dev)->gen < 5) { |
4ee62c76 VS |
14750 | DRM_DEBUG("unsupported pixel format: %s\n", |
14751 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14752 | return -EINVAL; |
c16ed4be | 14753 | } |
57cd6508 CW |
14754 | break; |
14755 | default: | |
4ee62c76 VS |
14756 | DRM_DEBUG("unsupported pixel format: %s\n", |
14757 | drm_get_format_name(mode_cmd->pixel_format)); | |
57cd6508 CW |
14758 | return -EINVAL; |
14759 | } | |
14760 | ||
90f9a336 VS |
14761 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
14762 | if (mode_cmd->offsets[0] != 0) | |
14763 | return -EINVAL; | |
14764 | ||
ec2c981e | 14765 | aligned_height = intel_fb_align_height(dev, mode_cmd->height, |
091df6cb DV |
14766 | mode_cmd->pixel_format, |
14767 | mode_cmd->modifier[0]); | |
53155c0a DV |
14768 | /* FIXME drm helper for size checks (especially planar formats)? */ |
14769 | if (obj->base.size < aligned_height * mode_cmd->pitches[0]) | |
14770 | return -EINVAL; | |
14771 | ||
c7d73f6a DV |
14772 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
14773 | intel_fb->obj = obj; | |
14774 | ||
2d7a215f VS |
14775 | intel_fill_fb_info(dev_priv, &intel_fb->base); |
14776 | ||
79e53945 JB |
14777 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
14778 | if (ret) { | |
14779 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
14780 | return ret; | |
14781 | } | |
14782 | ||
0b05e1e0 VS |
14783 | intel_fb->obj->framebuffer_references++; |
14784 | ||
79e53945 JB |
14785 | return 0; |
14786 | } | |
14787 | ||
79e53945 JB |
14788 | static struct drm_framebuffer * |
14789 | intel_user_framebuffer_create(struct drm_device *dev, | |
14790 | struct drm_file *filp, | |
1eb83451 | 14791 | const struct drm_mode_fb_cmd2 *user_mode_cmd) |
79e53945 | 14792 | { |
dcb1394e | 14793 | struct drm_framebuffer *fb; |
05394f39 | 14794 | struct drm_i915_gem_object *obj; |
76dc3769 | 14795 | struct drm_mode_fb_cmd2 mode_cmd = *user_mode_cmd; |
79e53945 | 14796 | |
308e5bcb | 14797 | obj = to_intel_bo(drm_gem_object_lookup(dev, filp, |
76dc3769 | 14798 | mode_cmd.handles[0])); |
c8725226 | 14799 | if (&obj->base == NULL) |
cce13ff7 | 14800 | return ERR_PTR(-ENOENT); |
79e53945 | 14801 | |
92907cbb | 14802 | fb = intel_framebuffer_create(dev, &mode_cmd, obj); |
dcb1394e LW |
14803 | if (IS_ERR(fb)) |
14804 | drm_gem_object_unreference_unlocked(&obj->base); | |
14805 | ||
14806 | return fb; | |
79e53945 JB |
14807 | } |
14808 | ||
0695726e | 14809 | #ifndef CONFIG_DRM_FBDEV_EMULATION |
0632fef6 | 14810 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
4520f53a DV |
14811 | { |
14812 | } | |
14813 | #endif | |
14814 | ||
79e53945 | 14815 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 | 14816 | .fb_create = intel_user_framebuffer_create, |
0632fef6 | 14817 | .output_poll_changed = intel_fbdev_output_poll_changed, |
5ee67f1c MR |
14818 | .atomic_check = intel_atomic_check, |
14819 | .atomic_commit = intel_atomic_commit, | |
de419ab6 ML |
14820 | .atomic_state_alloc = intel_atomic_state_alloc, |
14821 | .atomic_state_clear = intel_atomic_state_clear, | |
79e53945 JB |
14822 | }; |
14823 | ||
e70236a8 JB |
14824 | /* Set up chip specific display functions */ |
14825 | static void intel_init_display(struct drm_device *dev) | |
14826 | { | |
14827 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14828 | ||
ee9300bb DV |
14829 | if (HAS_PCH_SPLIT(dev) || IS_G4X(dev)) |
14830 | dev_priv->display.find_dpll = g4x_find_best_dpll; | |
ef9348c8 CML |
14831 | else if (IS_CHERRYVIEW(dev)) |
14832 | dev_priv->display.find_dpll = chv_find_best_dpll; | |
ee9300bb DV |
14833 | else if (IS_VALLEYVIEW(dev)) |
14834 | dev_priv->display.find_dpll = vlv_find_best_dpll; | |
14835 | else if (IS_PINEVIEW(dev)) | |
14836 | dev_priv->display.find_dpll = pnv_find_best_dpll; | |
14837 | else | |
14838 | dev_priv->display.find_dpll = i9xx_find_best_dpll; | |
14839 | ||
bc8d7dff DL |
14840 | if (INTEL_INFO(dev)->gen >= 9) { |
14841 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; | |
5724dbd1 DL |
14842 | dev_priv->display.get_initial_plane_config = |
14843 | skylake_get_initial_plane_config; | |
bc8d7dff DL |
14844 | dev_priv->display.crtc_compute_clock = |
14845 | haswell_crtc_compute_clock; | |
14846 | dev_priv->display.crtc_enable = haswell_crtc_enable; | |
14847 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
bc8d7dff | 14848 | } else if (HAS_DDI(dev)) { |
0e8ffe1b | 14849 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
5724dbd1 DL |
14850 | dev_priv->display.get_initial_plane_config = |
14851 | ironlake_get_initial_plane_config; | |
797d0259 ACO |
14852 | dev_priv->display.crtc_compute_clock = |
14853 | haswell_crtc_compute_clock; | |
4f771f10 PZ |
14854 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
14855 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
09b4ddf9 | 14856 | } else if (HAS_PCH_SPLIT(dev)) { |
0e8ffe1b | 14857 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
5724dbd1 DL |
14858 | dev_priv->display.get_initial_plane_config = |
14859 | ironlake_get_initial_plane_config; | |
3fb37703 ACO |
14860 | dev_priv->display.crtc_compute_clock = |
14861 | ironlake_crtc_compute_clock; | |
76e5a89c DV |
14862 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
14863 | dev_priv->display.crtc_disable = ironlake_crtc_disable; | |
666a4537 | 14864 | } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
89b667f8 | 14865 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
5724dbd1 DL |
14866 | dev_priv->display.get_initial_plane_config = |
14867 | i9xx_get_initial_plane_config; | |
d6dfee7a | 14868 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
89b667f8 JB |
14869 | dev_priv->display.crtc_enable = valleyview_crtc_enable; |
14870 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
f564048e | 14871 | } else { |
0e8ffe1b | 14872 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
5724dbd1 DL |
14873 | dev_priv->display.get_initial_plane_config = |
14874 | i9xx_get_initial_plane_config; | |
d6dfee7a | 14875 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
76e5a89c DV |
14876 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
14877 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
f564048e | 14878 | } |
e70236a8 | 14879 | |
e70236a8 | 14880 | /* Returns the core display clock speed */ |
ef11bdb3 | 14881 | if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) |
1652d19e VS |
14882 | dev_priv->display.get_display_clock_speed = |
14883 | skylake_get_display_clock_speed; | |
acd3f3d3 BP |
14884 | else if (IS_BROXTON(dev)) |
14885 | dev_priv->display.get_display_clock_speed = | |
14886 | broxton_get_display_clock_speed; | |
1652d19e VS |
14887 | else if (IS_BROADWELL(dev)) |
14888 | dev_priv->display.get_display_clock_speed = | |
14889 | broadwell_get_display_clock_speed; | |
14890 | else if (IS_HASWELL(dev)) | |
14891 | dev_priv->display.get_display_clock_speed = | |
14892 | haswell_get_display_clock_speed; | |
666a4537 | 14893 | else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) |
25eb05fc JB |
14894 | dev_priv->display.get_display_clock_speed = |
14895 | valleyview_get_display_clock_speed; | |
b37a6434 VS |
14896 | else if (IS_GEN5(dev)) |
14897 | dev_priv->display.get_display_clock_speed = | |
14898 | ilk_get_display_clock_speed; | |
a7c66cd8 | 14899 | else if (IS_I945G(dev) || IS_BROADWATER(dev) || |
34edce2f | 14900 | IS_GEN6(dev) || IS_IVYBRIDGE(dev)) |
e70236a8 JB |
14901 | dev_priv->display.get_display_clock_speed = |
14902 | i945_get_display_clock_speed; | |
34edce2f VS |
14903 | else if (IS_GM45(dev)) |
14904 | dev_priv->display.get_display_clock_speed = | |
14905 | gm45_get_display_clock_speed; | |
14906 | else if (IS_CRESTLINE(dev)) | |
14907 | dev_priv->display.get_display_clock_speed = | |
14908 | i965gm_get_display_clock_speed; | |
14909 | else if (IS_PINEVIEW(dev)) | |
14910 | dev_priv->display.get_display_clock_speed = | |
14911 | pnv_get_display_clock_speed; | |
14912 | else if (IS_G33(dev) || IS_G4X(dev)) | |
14913 | dev_priv->display.get_display_clock_speed = | |
14914 | g33_get_display_clock_speed; | |
e70236a8 JB |
14915 | else if (IS_I915G(dev)) |
14916 | dev_priv->display.get_display_clock_speed = | |
14917 | i915_get_display_clock_speed; | |
257a7ffc | 14918 | else if (IS_I945GM(dev) || IS_845G(dev)) |
e70236a8 JB |
14919 | dev_priv->display.get_display_clock_speed = |
14920 | i9xx_misc_get_display_clock_speed; | |
14921 | else if (IS_I915GM(dev)) | |
14922 | dev_priv->display.get_display_clock_speed = | |
14923 | i915gm_get_display_clock_speed; | |
14924 | else if (IS_I865G(dev)) | |
14925 | dev_priv->display.get_display_clock_speed = | |
14926 | i865_get_display_clock_speed; | |
f0f8a9ce | 14927 | else if (IS_I85X(dev)) |
e70236a8 | 14928 | dev_priv->display.get_display_clock_speed = |
1b1d2716 | 14929 | i85x_get_display_clock_speed; |
623e01e5 VS |
14930 | else { /* 830 */ |
14931 | WARN(!IS_I830(dev), "Unknown platform. Assuming 133 MHz CDCLK\n"); | |
e70236a8 JB |
14932 | dev_priv->display.get_display_clock_speed = |
14933 | i830_get_display_clock_speed; | |
623e01e5 | 14934 | } |
e70236a8 | 14935 | |
7c10a2b5 | 14936 | if (IS_GEN5(dev)) { |
3bb11b53 | 14937 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
3bb11b53 SJ |
14938 | } else if (IS_GEN6(dev)) { |
14939 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; | |
3bb11b53 SJ |
14940 | } else if (IS_IVYBRIDGE(dev)) { |
14941 | /* FIXME: detect B0+ stepping and use auto training */ | |
14942 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; | |
059b2fe9 | 14943 | } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
3bb11b53 | 14944 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
27c329ed ML |
14945 | if (IS_BROADWELL(dev)) { |
14946 | dev_priv->display.modeset_commit_cdclk = | |
14947 | broadwell_modeset_commit_cdclk; | |
14948 | dev_priv->display.modeset_calc_cdclk = | |
14949 | broadwell_modeset_calc_cdclk; | |
14950 | } | |
666a4537 | 14951 | } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) { |
27c329ed ML |
14952 | dev_priv->display.modeset_commit_cdclk = |
14953 | valleyview_modeset_commit_cdclk; | |
14954 | dev_priv->display.modeset_calc_cdclk = | |
14955 | valleyview_modeset_calc_cdclk; | |
f8437dd1 | 14956 | } else if (IS_BROXTON(dev)) { |
27c329ed ML |
14957 | dev_priv->display.modeset_commit_cdclk = |
14958 | broxton_modeset_commit_cdclk; | |
14959 | dev_priv->display.modeset_calc_cdclk = | |
14960 | broxton_modeset_calc_cdclk; | |
e70236a8 | 14961 | } |
8c9f3aaf | 14962 | |
8c9f3aaf JB |
14963 | switch (INTEL_INFO(dev)->gen) { |
14964 | case 2: | |
14965 | dev_priv->display.queue_flip = intel_gen2_queue_flip; | |
14966 | break; | |
14967 | ||
14968 | case 3: | |
14969 | dev_priv->display.queue_flip = intel_gen3_queue_flip; | |
14970 | break; | |
14971 | ||
14972 | case 4: | |
14973 | case 5: | |
14974 | dev_priv->display.queue_flip = intel_gen4_queue_flip; | |
14975 | break; | |
14976 | ||
14977 | case 6: | |
14978 | dev_priv->display.queue_flip = intel_gen6_queue_flip; | |
14979 | break; | |
7c9017e5 | 14980 | case 7: |
4e0bbc31 | 14981 | case 8: /* FIXME(BDW): Check that the gen8 RCS flip works. */ |
7c9017e5 JB |
14982 | dev_priv->display.queue_flip = intel_gen7_queue_flip; |
14983 | break; | |
830c81db | 14984 | case 9: |
ba343e02 TU |
14985 | /* Drop through - unsupported since execlist only. */ |
14986 | default: | |
14987 | /* Default just returns -ENODEV to indicate unsupported */ | |
14988 | dev_priv->display.queue_flip = intel_default_queue_flip; | |
8c9f3aaf | 14989 | } |
7bd688cd | 14990 | |
e39b999a | 14991 | mutex_init(&dev_priv->pps_mutex); |
e70236a8 JB |
14992 | } |
14993 | ||
b690e96c JB |
14994 | /* |
14995 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, | |
14996 | * resume, or other times. This quirk makes sure that's the case for | |
14997 | * affected systems. | |
14998 | */ | |
0206e353 | 14999 | static void quirk_pipea_force(struct drm_device *dev) |
b690e96c JB |
15000 | { |
15001 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15002 | ||
15003 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; | |
bc0daf48 | 15004 | DRM_INFO("applying pipe a force quirk\n"); |
b690e96c JB |
15005 | } |
15006 | ||
b6b5d049 VS |
15007 | static void quirk_pipeb_force(struct drm_device *dev) |
15008 | { | |
15009 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15010 | ||
15011 | dev_priv->quirks |= QUIRK_PIPEB_FORCE; | |
15012 | DRM_INFO("applying pipe b force quirk\n"); | |
15013 | } | |
15014 | ||
435793df KP |
15015 | /* |
15016 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason | |
15017 | */ | |
15018 | static void quirk_ssc_force_disable(struct drm_device *dev) | |
15019 | { | |
15020 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15021 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; | |
bc0daf48 | 15022 | DRM_INFO("applying lvds SSC disable quirk\n"); |
435793df KP |
15023 | } |
15024 | ||
4dca20ef | 15025 | /* |
5a15ab5b CE |
15026 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
15027 | * brightness value | |
4dca20ef CE |
15028 | */ |
15029 | static void quirk_invert_brightness(struct drm_device *dev) | |
15030 | { | |
15031 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15032 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; | |
bc0daf48 | 15033 | DRM_INFO("applying inverted panel brightness quirk\n"); |
435793df KP |
15034 | } |
15035 | ||
9c72cc6f SD |
15036 | /* Some VBT's incorrectly indicate no backlight is present */ |
15037 | static void quirk_backlight_present(struct drm_device *dev) | |
15038 | { | |
15039 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15040 | dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; | |
15041 | DRM_INFO("applying backlight present quirk\n"); | |
15042 | } | |
15043 | ||
b690e96c JB |
15044 | struct intel_quirk { |
15045 | int device; | |
15046 | int subsystem_vendor; | |
15047 | int subsystem_device; | |
15048 | void (*hook)(struct drm_device *dev); | |
15049 | }; | |
15050 | ||
5f85f176 EE |
15051 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
15052 | struct intel_dmi_quirk { | |
15053 | void (*hook)(struct drm_device *dev); | |
15054 | const struct dmi_system_id (*dmi_id_list)[]; | |
15055 | }; | |
15056 | ||
15057 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) | |
15058 | { | |
15059 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); | |
15060 | return 1; | |
15061 | } | |
15062 | ||
15063 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { | |
15064 | { | |
15065 | .dmi_id_list = &(const struct dmi_system_id[]) { | |
15066 | { | |
15067 | .callback = intel_dmi_reverse_brightness, | |
15068 | .ident = "NCR Corporation", | |
15069 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), | |
15070 | DMI_MATCH(DMI_PRODUCT_NAME, ""), | |
15071 | }, | |
15072 | }, | |
15073 | { } /* terminating entry */ | |
15074 | }, | |
15075 | .hook = quirk_invert_brightness, | |
15076 | }, | |
15077 | }; | |
15078 | ||
c43b5634 | 15079 | static struct intel_quirk intel_quirks[] = { |
b690e96c JB |
15080 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
15081 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, | |
15082 | ||
b690e96c JB |
15083 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
15084 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, | |
15085 | ||
5f080c0f VS |
15086 | /* 830 needs to leave pipe A & dpll A up */ |
15087 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, | |
15088 | ||
b6b5d049 VS |
15089 | /* 830 needs to leave pipe B & dpll B up */ |
15090 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipeb_force }, | |
15091 | ||
435793df KP |
15092 | /* Lenovo U160 cannot use SSC on LVDS */ |
15093 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, | |
070d329a MAS |
15094 | |
15095 | /* Sony Vaio Y cannot use SSC on LVDS */ | |
15096 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, | |
5a15ab5b | 15097 | |
be505f64 AH |
15098 | /* Acer Aspire 5734Z must invert backlight brightness */ |
15099 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, | |
15100 | ||
15101 | /* Acer/eMachines G725 */ | |
15102 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, | |
15103 | ||
15104 | /* Acer/eMachines e725 */ | |
15105 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, | |
15106 | ||
15107 | /* Acer/Packard Bell NCL20 */ | |
15108 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, | |
15109 | ||
15110 | /* Acer Aspire 4736Z */ | |
15111 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, | |
0f540c3a JN |
15112 | |
15113 | /* Acer Aspire 5336 */ | |
15114 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, | |
2e93a1aa SD |
15115 | |
15116 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ | |
15117 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, | |
d4967d8c | 15118 | |
dfb3d47b SD |
15119 | /* Acer C720 Chromebook (Core i3 4005U) */ |
15120 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, | |
15121 | ||
b2a9601c | 15122 | /* Apple Macbook 2,1 (Core 2 T7400) */ |
15123 | { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, | |
15124 | ||
1b9448b0 JN |
15125 | /* Apple Macbook 4,1 */ |
15126 | { 0x2a02, 0x106b, 0x00a1, quirk_backlight_present }, | |
15127 | ||
d4967d8c SD |
15128 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
15129 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, | |
724cb06f SD |
15130 | |
15131 | /* HP Chromebook 14 (Celeron 2955U) */ | |
15132 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, | |
cf6f0af9 JN |
15133 | |
15134 | /* Dell Chromebook 11 */ | |
15135 | { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present }, | |
9be64eee JN |
15136 | |
15137 | /* Dell Chromebook 11 (2015 version) */ | |
15138 | { 0x0a16, 0x1028, 0x0a35, quirk_backlight_present }, | |
b690e96c JB |
15139 | }; |
15140 | ||
15141 | static void intel_init_quirks(struct drm_device *dev) | |
15142 | { | |
15143 | struct pci_dev *d = dev->pdev; | |
15144 | int i; | |
15145 | ||
15146 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { | |
15147 | struct intel_quirk *q = &intel_quirks[i]; | |
15148 | ||
15149 | if (d->device == q->device && | |
15150 | (d->subsystem_vendor == q->subsystem_vendor || | |
15151 | q->subsystem_vendor == PCI_ANY_ID) && | |
15152 | (d->subsystem_device == q->subsystem_device || | |
15153 | q->subsystem_device == PCI_ANY_ID)) | |
15154 | q->hook(dev); | |
15155 | } | |
5f85f176 EE |
15156 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
15157 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) | |
15158 | intel_dmi_quirks[i].hook(dev); | |
15159 | } | |
b690e96c JB |
15160 | } |
15161 | ||
9cce37f4 JB |
15162 | /* Disable the VGA plane that we never use */ |
15163 | static void i915_disable_vga(struct drm_device *dev) | |
15164 | { | |
15165 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15166 | u8 sr1; | |
f0f59a00 | 15167 | i915_reg_t vga_reg = i915_vgacntrl_reg(dev); |
9cce37f4 | 15168 | |
2b37c616 | 15169 | /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ |
9cce37f4 | 15170 | vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
3fdcf431 | 15171 | outb(SR01, VGA_SR_INDEX); |
9cce37f4 JB |
15172 | sr1 = inb(VGA_SR_DATA); |
15173 | outb(sr1 | 1<<5, VGA_SR_DATA); | |
15174 | vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); | |
15175 | udelay(300); | |
15176 | ||
01f5a626 | 15177 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); |
9cce37f4 JB |
15178 | POSTING_READ(vga_reg); |
15179 | } | |
15180 | ||
f817586c DV |
15181 | void intel_modeset_init_hw(struct drm_device *dev) |
15182 | { | |
1a617b77 ML |
15183 | struct drm_i915_private *dev_priv = dev->dev_private; |
15184 | ||
b6283055 | 15185 | intel_update_cdclk(dev); |
1a617b77 ML |
15186 | |
15187 | dev_priv->atomic_cdclk_freq = dev_priv->cdclk_freq; | |
15188 | ||
f817586c | 15189 | intel_init_clock_gating(dev); |
8090c6b9 | 15190 | intel_enable_gt_powersave(dev); |
f817586c DV |
15191 | } |
15192 | ||
d93c0372 MR |
15193 | /* |
15194 | * Calculate what we think the watermarks should be for the state we've read | |
15195 | * out of the hardware and then immediately program those watermarks so that | |
15196 | * we ensure the hardware settings match our internal state. | |
15197 | * | |
15198 | * We can calculate what we think WM's should be by creating a duplicate of the | |
15199 | * current state (which was constructed during hardware readout) and running it | |
15200 | * through the atomic check code to calculate new watermark values in the | |
15201 | * state object. | |
15202 | */ | |
15203 | static void sanitize_watermarks(struct drm_device *dev) | |
15204 | { | |
15205 | struct drm_i915_private *dev_priv = to_i915(dev); | |
15206 | struct drm_atomic_state *state; | |
15207 | struct drm_crtc *crtc; | |
15208 | struct drm_crtc_state *cstate; | |
15209 | struct drm_modeset_acquire_ctx ctx; | |
15210 | int ret; | |
15211 | int i; | |
15212 | ||
15213 | /* Only supported on platforms that use atomic watermark design */ | |
ed4a6a7c | 15214 | if (!dev_priv->display.optimize_watermarks) |
d93c0372 MR |
15215 | return; |
15216 | ||
15217 | /* | |
15218 | * We need to hold connection_mutex before calling duplicate_state so | |
15219 | * that the connector loop is protected. | |
15220 | */ | |
15221 | drm_modeset_acquire_init(&ctx, 0); | |
15222 | retry: | |
0cd1262d | 15223 | ret = drm_modeset_lock_all_ctx(dev, &ctx); |
d93c0372 MR |
15224 | if (ret == -EDEADLK) { |
15225 | drm_modeset_backoff(&ctx); | |
15226 | goto retry; | |
15227 | } else if (WARN_ON(ret)) { | |
0cd1262d | 15228 | goto fail; |
d93c0372 MR |
15229 | } |
15230 | ||
15231 | state = drm_atomic_helper_duplicate_state(dev, &ctx); | |
15232 | if (WARN_ON(IS_ERR(state))) | |
0cd1262d | 15233 | goto fail; |
d93c0372 | 15234 | |
ed4a6a7c MR |
15235 | /* |
15236 | * Hardware readout is the only time we don't want to calculate | |
15237 | * intermediate watermarks (since we don't trust the current | |
15238 | * watermarks). | |
15239 | */ | |
15240 | to_intel_atomic_state(state)->skip_intermediate_wm = true; | |
15241 | ||
d93c0372 MR |
15242 | ret = intel_atomic_check(dev, state); |
15243 | if (ret) { | |
15244 | /* | |
15245 | * If we fail here, it means that the hardware appears to be | |
15246 | * programmed in a way that shouldn't be possible, given our | |
15247 | * understanding of watermark requirements. This might mean a | |
15248 | * mistake in the hardware readout code or a mistake in the | |
15249 | * watermark calculations for a given platform. Raise a WARN | |
15250 | * so that this is noticeable. | |
15251 | * | |
15252 | * If this actually happens, we'll have to just leave the | |
15253 | * BIOS-programmed watermarks untouched and hope for the best. | |
15254 | */ | |
15255 | WARN(true, "Could not determine valid watermarks for inherited state\n"); | |
0cd1262d | 15256 | goto fail; |
d93c0372 MR |
15257 | } |
15258 | ||
15259 | /* Write calculated watermark values back */ | |
15260 | to_i915(dev)->wm.config = to_intel_atomic_state(state)->wm_config; | |
15261 | for_each_crtc_in_state(state, crtc, cstate, i) { | |
15262 | struct intel_crtc_state *cs = to_intel_crtc_state(cstate); | |
15263 | ||
ed4a6a7c MR |
15264 | cs->wm.need_postvbl_update = true; |
15265 | dev_priv->display.optimize_watermarks(cs); | |
d93c0372 MR |
15266 | } |
15267 | ||
15268 | drm_atomic_state_free(state); | |
0cd1262d | 15269 | fail: |
d93c0372 MR |
15270 | drm_modeset_drop_locks(&ctx); |
15271 | drm_modeset_acquire_fini(&ctx); | |
15272 | } | |
15273 | ||
79e53945 JB |
15274 | void intel_modeset_init(struct drm_device *dev) |
15275 | { | |
652c393a | 15276 | struct drm_i915_private *dev_priv = dev->dev_private; |
1fe47785 | 15277 | int sprite, ret; |
8cc87b75 | 15278 | enum pipe pipe; |
46f297fb | 15279 | struct intel_crtc *crtc; |
79e53945 JB |
15280 | |
15281 | drm_mode_config_init(dev); | |
15282 | ||
15283 | dev->mode_config.min_width = 0; | |
15284 | dev->mode_config.min_height = 0; | |
15285 | ||
019d96cb DA |
15286 | dev->mode_config.preferred_depth = 24; |
15287 | dev->mode_config.prefer_shadow = 1; | |
15288 | ||
25bab385 TU |
15289 | dev->mode_config.allow_fb_modifiers = true; |
15290 | ||
e6ecefaa | 15291 | dev->mode_config.funcs = &intel_mode_funcs; |
79e53945 | 15292 | |
b690e96c JB |
15293 | intel_init_quirks(dev); |
15294 | ||
1fa61106 ED |
15295 | intel_init_pm(dev); |
15296 | ||
e3c74757 BW |
15297 | if (INTEL_INFO(dev)->num_pipes == 0) |
15298 | return; | |
15299 | ||
69f92f67 LW |
15300 | /* |
15301 | * There may be no VBT; and if the BIOS enabled SSC we can | |
15302 | * just keep using it to avoid unnecessary flicker. Whereas if the | |
15303 | * BIOS isn't using it, don't assume it will work even if the VBT | |
15304 | * indicates as much. | |
15305 | */ | |
15306 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { | |
15307 | bool bios_lvds_use_ssc = !!(I915_READ(PCH_DREF_CONTROL) & | |
15308 | DREF_SSC1_ENABLE); | |
15309 | ||
15310 | if (dev_priv->vbt.lvds_use_ssc != bios_lvds_use_ssc) { | |
15311 | DRM_DEBUG_KMS("SSC %sabled by BIOS, overriding VBT which says %sabled\n", | |
15312 | bios_lvds_use_ssc ? "en" : "dis", | |
15313 | dev_priv->vbt.lvds_use_ssc ? "en" : "dis"); | |
15314 | dev_priv->vbt.lvds_use_ssc = bios_lvds_use_ssc; | |
15315 | } | |
15316 | } | |
15317 | ||
e70236a8 | 15318 | intel_init_display(dev); |
7c10a2b5 | 15319 | intel_init_audio(dev); |
e70236a8 | 15320 | |
a6c45cf0 CW |
15321 | if (IS_GEN2(dev)) { |
15322 | dev->mode_config.max_width = 2048; | |
15323 | dev->mode_config.max_height = 2048; | |
15324 | } else if (IS_GEN3(dev)) { | |
5e4d6fa7 KP |
15325 | dev->mode_config.max_width = 4096; |
15326 | dev->mode_config.max_height = 4096; | |
79e53945 | 15327 | } else { |
a6c45cf0 CW |
15328 | dev->mode_config.max_width = 8192; |
15329 | dev->mode_config.max_height = 8192; | |
79e53945 | 15330 | } |
068be561 | 15331 | |
dc41c154 VS |
15332 | if (IS_845G(dev) || IS_I865G(dev)) { |
15333 | dev->mode_config.cursor_width = IS_845G(dev) ? 64 : 512; | |
15334 | dev->mode_config.cursor_height = 1023; | |
15335 | } else if (IS_GEN2(dev)) { | |
068be561 DL |
15336 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; |
15337 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; | |
15338 | } else { | |
15339 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; | |
15340 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; | |
15341 | } | |
15342 | ||
5d4545ae | 15343 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
79e53945 | 15344 | |
28c97730 | 15345 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
7eb552ae BW |
15346 | INTEL_INFO(dev)->num_pipes, |
15347 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); | |
79e53945 | 15348 | |
055e393f | 15349 | for_each_pipe(dev_priv, pipe) { |
8cc87b75 | 15350 | intel_crtc_init(dev, pipe); |
3bdcfc0c | 15351 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 15352 | ret = intel_plane_init(dev, pipe, sprite); |
7f1f3851 | 15353 | if (ret) |
06da8da2 | 15354 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
1fe47785 | 15355 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
7f1f3851 | 15356 | } |
79e53945 JB |
15357 | } |
15358 | ||
bfa7df01 | 15359 | intel_update_czclk(dev_priv); |
e7dc33f3 | 15360 | intel_update_rawclk(dev_priv); |
bfa7df01 VS |
15361 | intel_update_cdclk(dev); |
15362 | ||
e72f9fbf | 15363 | intel_shared_dpll_init(dev); |
ee7b9f93 | 15364 | |
9cce37f4 JB |
15365 | /* Just disable it once at startup */ |
15366 | i915_disable_vga(dev); | |
79e53945 | 15367 | intel_setup_outputs(dev); |
11be49eb | 15368 | |
6e9f798d | 15369 | drm_modeset_lock_all(dev); |
043e9bda | 15370 | intel_modeset_setup_hw_state(dev); |
6e9f798d | 15371 | drm_modeset_unlock_all(dev); |
46f297fb | 15372 | |
d3fcc808 | 15373 | for_each_intel_crtc(dev, crtc) { |
eeebeac5 ML |
15374 | struct intel_initial_plane_config plane_config = {}; |
15375 | ||
46f297fb JB |
15376 | if (!crtc->active) |
15377 | continue; | |
15378 | ||
46f297fb | 15379 | /* |
46f297fb JB |
15380 | * Note that reserving the BIOS fb up front prevents us |
15381 | * from stuffing other stolen allocations like the ring | |
15382 | * on top. This prevents some ugliness at boot time, and | |
15383 | * can even allow for smooth boot transitions if the BIOS | |
15384 | * fb is large enough for the active pipe configuration. | |
15385 | */ | |
eeebeac5 ML |
15386 | dev_priv->display.get_initial_plane_config(crtc, |
15387 | &plane_config); | |
15388 | ||
15389 | /* | |
15390 | * If the fb is shared between multiple heads, we'll | |
15391 | * just get the first one. | |
15392 | */ | |
15393 | intel_find_initial_plane_obj(crtc, &plane_config); | |
46f297fb | 15394 | } |
d93c0372 MR |
15395 | |
15396 | /* | |
15397 | * Make sure hardware watermarks really match the state we read out. | |
15398 | * Note that we need to do this after reconstructing the BIOS fb's | |
15399 | * since the watermark calculation done here will use pstate->fb. | |
15400 | */ | |
15401 | sanitize_watermarks(dev); | |
2c7111db CW |
15402 | } |
15403 | ||
7fad798e DV |
15404 | static void intel_enable_pipe_a(struct drm_device *dev) |
15405 | { | |
15406 | struct intel_connector *connector; | |
15407 | struct drm_connector *crt = NULL; | |
15408 | struct intel_load_detect_pipe load_detect_temp; | |
208bf9fd | 15409 | struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; |
7fad798e DV |
15410 | |
15411 | /* We can't just switch on the pipe A, we need to set things up with a | |
15412 | * proper mode and output configuration. As a gross hack, enable pipe A | |
15413 | * by enabling the load detect pipe once. */ | |
3a3371ff | 15414 | for_each_intel_connector(dev, connector) { |
7fad798e DV |
15415 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
15416 | crt = &connector->base; | |
15417 | break; | |
15418 | } | |
15419 | } | |
15420 | ||
15421 | if (!crt) | |
15422 | return; | |
15423 | ||
208bf9fd | 15424 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx)) |
49172fee | 15425 | intel_release_load_detect_pipe(crt, &load_detect_temp, ctx); |
7fad798e DV |
15426 | } |
15427 | ||
fa555837 DV |
15428 | static bool |
15429 | intel_check_plane_mapping(struct intel_crtc *crtc) | |
15430 | { | |
7eb552ae BW |
15431 | struct drm_device *dev = crtc->base.dev; |
15432 | struct drm_i915_private *dev_priv = dev->dev_private; | |
649636ef | 15433 | u32 val; |
fa555837 | 15434 | |
7eb552ae | 15435 | if (INTEL_INFO(dev)->num_pipes == 1) |
fa555837 DV |
15436 | return true; |
15437 | ||
649636ef | 15438 | val = I915_READ(DSPCNTR(!crtc->plane)); |
fa555837 DV |
15439 | |
15440 | if ((val & DISPLAY_PLANE_ENABLE) && | |
15441 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) | |
15442 | return false; | |
15443 | ||
15444 | return true; | |
15445 | } | |
15446 | ||
02e93c35 VS |
15447 | static bool intel_crtc_has_encoders(struct intel_crtc *crtc) |
15448 | { | |
15449 | struct drm_device *dev = crtc->base.dev; | |
15450 | struct intel_encoder *encoder; | |
15451 | ||
15452 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) | |
15453 | return true; | |
15454 | ||
15455 | return false; | |
15456 | } | |
15457 | ||
dd756198 VS |
15458 | static bool intel_encoder_has_connectors(struct intel_encoder *encoder) |
15459 | { | |
15460 | struct drm_device *dev = encoder->base.dev; | |
15461 | struct intel_connector *connector; | |
15462 | ||
15463 | for_each_connector_on_encoder(dev, &encoder->base, connector) | |
15464 | return true; | |
15465 | ||
15466 | return false; | |
15467 | } | |
15468 | ||
24929352 DV |
15469 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
15470 | { | |
15471 | struct drm_device *dev = crtc->base.dev; | |
15472 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f0f59a00 | 15473 | i915_reg_t reg = PIPECONF(crtc->config->cpu_transcoder); |
24929352 | 15474 | |
24929352 | 15475 | /* Clear any frame start delays used for debugging left by the BIOS */ |
24929352 DV |
15476 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
15477 | ||
d3eaf884 | 15478 | /* restore vblank interrupts to correct state */ |
9625604c | 15479 | drm_crtc_vblank_reset(&crtc->base); |
d297e103 | 15480 | if (crtc->active) { |
f9cd7b88 VS |
15481 | struct intel_plane *plane; |
15482 | ||
9625604c | 15483 | drm_crtc_vblank_on(&crtc->base); |
f9cd7b88 VS |
15484 | |
15485 | /* Disable everything but the primary plane */ | |
15486 | for_each_intel_plane_on_crtc(dev, crtc, plane) { | |
15487 | if (plane->base.type == DRM_PLANE_TYPE_PRIMARY) | |
15488 | continue; | |
15489 | ||
15490 | plane->disable_plane(&plane->base, &crtc->base); | |
15491 | } | |
9625604c | 15492 | } |
d3eaf884 | 15493 | |
24929352 | 15494 | /* We need to sanitize the plane -> pipe mapping first because this will |
fa555837 DV |
15495 | * disable the crtc (and hence change the state) if it is wrong. Note |
15496 | * that gen4+ has a fixed plane -> pipe mapping. */ | |
15497 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { | |
24929352 DV |
15498 | bool plane; |
15499 | ||
24929352 DV |
15500 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
15501 | crtc->base.base.id); | |
15502 | ||
15503 | /* Pipe has the wrong plane attached and the plane is active. | |
15504 | * Temporarily change the plane mapping and disable everything | |
15505 | * ... */ | |
15506 | plane = crtc->plane; | |
b70709a6 | 15507 | to_intel_plane_state(crtc->base.primary->state)->visible = true; |
24929352 | 15508 | crtc->plane = !plane; |
b17d48e2 | 15509 | intel_crtc_disable_noatomic(&crtc->base); |
24929352 | 15510 | crtc->plane = plane; |
24929352 | 15511 | } |
24929352 | 15512 | |
7fad798e DV |
15513 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
15514 | crtc->pipe == PIPE_A && !crtc->active) { | |
15515 | /* BIOS forgot to enable pipe A, this mostly happens after | |
15516 | * resume. Force-enable the pipe to fix this, the update_dpms | |
15517 | * call below we restore the pipe to the right state, but leave | |
15518 | * the required bits on. */ | |
15519 | intel_enable_pipe_a(dev); | |
15520 | } | |
15521 | ||
24929352 DV |
15522 | /* Adjust the state of the output pipe according to whether we |
15523 | * have active connectors/encoders. */ | |
842e0307 | 15524 | if (crtc->active && !intel_crtc_has_encoders(crtc)) |
b17d48e2 | 15525 | intel_crtc_disable_noatomic(&crtc->base); |
24929352 | 15526 | |
a3ed6aad | 15527 | if (crtc->active || HAS_GMCH_DISPLAY(dev)) { |
4cc31489 DV |
15528 | /* |
15529 | * We start out with underrun reporting disabled to avoid races. | |
15530 | * For correct bookkeeping mark this on active crtcs. | |
15531 | * | |
c5ab3bc0 DV |
15532 | * Also on gmch platforms we dont have any hardware bits to |
15533 | * disable the underrun reporting. Which means we need to start | |
15534 | * out with underrun reporting disabled also on inactive pipes, | |
15535 | * since otherwise we'll complain about the garbage we read when | |
15536 | * e.g. coming up after runtime pm. | |
15537 | * | |
4cc31489 DV |
15538 | * No protection against concurrent access is required - at |
15539 | * worst a fifo underrun happens which also sets this to false. | |
15540 | */ | |
15541 | crtc->cpu_fifo_underrun_disabled = true; | |
15542 | crtc->pch_fifo_underrun_disabled = true; | |
15543 | } | |
24929352 DV |
15544 | } |
15545 | ||
15546 | static void intel_sanitize_encoder(struct intel_encoder *encoder) | |
15547 | { | |
15548 | struct intel_connector *connector; | |
15549 | struct drm_device *dev = encoder->base.dev; | |
15550 | ||
15551 | /* We need to check both for a crtc link (meaning that the | |
15552 | * encoder is active and trying to read from a pipe) and the | |
15553 | * pipe itself being active. */ | |
15554 | bool has_active_crtc = encoder->base.crtc && | |
15555 | to_intel_crtc(encoder->base.crtc)->active; | |
15556 | ||
dd756198 | 15557 | if (intel_encoder_has_connectors(encoder) && !has_active_crtc) { |
24929352 DV |
15558 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", |
15559 | encoder->base.base.id, | |
8e329a03 | 15560 | encoder->base.name); |
24929352 DV |
15561 | |
15562 | /* Connector is active, but has no active pipe. This is | |
15563 | * fallout from our resume register restoring. Disable | |
15564 | * the encoder manually again. */ | |
15565 | if (encoder->base.crtc) { | |
15566 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", | |
15567 | encoder->base.base.id, | |
8e329a03 | 15568 | encoder->base.name); |
24929352 | 15569 | encoder->disable(encoder); |
a62d1497 VS |
15570 | if (encoder->post_disable) |
15571 | encoder->post_disable(encoder); | |
24929352 | 15572 | } |
7f1950fb | 15573 | encoder->base.crtc = NULL; |
24929352 DV |
15574 | |
15575 | /* Inconsistent output/port/pipe state happens presumably due to | |
15576 | * a bug in one of the get_hw_state functions. Or someplace else | |
15577 | * in our code, like the register restore mess on resume. Clamp | |
15578 | * things to off as a safer default. */ | |
3a3371ff | 15579 | for_each_intel_connector(dev, connector) { |
24929352 DV |
15580 | if (connector->encoder != encoder) |
15581 | continue; | |
7f1950fb EE |
15582 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
15583 | connector->base.encoder = NULL; | |
24929352 DV |
15584 | } |
15585 | } | |
15586 | /* Enabled encoders without active connectors will be fixed in | |
15587 | * the crtc fixup. */ | |
15588 | } | |
15589 | ||
04098753 | 15590 | void i915_redisable_vga_power_on(struct drm_device *dev) |
0fde901f KM |
15591 | { |
15592 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f0f59a00 | 15593 | i915_reg_t vga_reg = i915_vgacntrl_reg(dev); |
0fde901f | 15594 | |
04098753 ID |
15595 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
15596 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); | |
15597 | i915_disable_vga(dev); | |
15598 | } | |
15599 | } | |
15600 | ||
15601 | void i915_redisable_vga(struct drm_device *dev) | |
15602 | { | |
15603 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15604 | ||
8dc8a27c PZ |
15605 | /* This function can be called both from intel_modeset_setup_hw_state or |
15606 | * at a very early point in our resume sequence, where the power well | |
15607 | * structures are not yet restored. Since this function is at a very | |
15608 | * paranoid "someone might have enabled VGA while we were not looking" | |
15609 | * level, just check if the power well is enabled instead of trying to | |
15610 | * follow the "don't touch the power well if we don't need it" policy | |
15611 | * the rest of the driver uses. */ | |
6392f847 | 15612 | if (!intel_display_power_get_if_enabled(dev_priv, POWER_DOMAIN_VGA)) |
8dc8a27c PZ |
15613 | return; |
15614 | ||
04098753 | 15615 | i915_redisable_vga_power_on(dev); |
6392f847 ID |
15616 | |
15617 | intel_display_power_put(dev_priv, POWER_DOMAIN_VGA); | |
0fde901f KM |
15618 | } |
15619 | ||
f9cd7b88 | 15620 | static bool primary_get_hw_state(struct intel_plane *plane) |
98ec7739 | 15621 | { |
f9cd7b88 | 15622 | struct drm_i915_private *dev_priv = to_i915(plane->base.dev); |
98ec7739 | 15623 | |
f9cd7b88 | 15624 | return I915_READ(DSPCNTR(plane->plane)) & DISPLAY_PLANE_ENABLE; |
d032ffa0 ML |
15625 | } |
15626 | ||
f9cd7b88 VS |
15627 | /* FIXME read out full plane state for all planes */ |
15628 | static void readout_plane_state(struct intel_crtc *crtc) | |
d032ffa0 | 15629 | { |
b26d3ea3 | 15630 | struct drm_plane *primary = crtc->base.primary; |
f9cd7b88 | 15631 | struct intel_plane_state *plane_state = |
b26d3ea3 | 15632 | to_intel_plane_state(primary->state); |
d032ffa0 | 15633 | |
19b8d387 | 15634 | plane_state->visible = crtc->active && |
b26d3ea3 ML |
15635 | primary_get_hw_state(to_intel_plane(primary)); |
15636 | ||
15637 | if (plane_state->visible) | |
15638 | crtc->base.state->plane_mask |= 1 << drm_plane_index(primary); | |
98ec7739 VS |
15639 | } |
15640 | ||
30e984df | 15641 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
24929352 DV |
15642 | { |
15643 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15644 | enum pipe pipe; | |
24929352 DV |
15645 | struct intel_crtc *crtc; |
15646 | struct intel_encoder *encoder; | |
15647 | struct intel_connector *connector; | |
5358901f | 15648 | int i; |
24929352 | 15649 | |
565602d7 ML |
15650 | dev_priv->active_crtcs = 0; |
15651 | ||
d3fcc808 | 15652 | for_each_intel_crtc(dev, crtc) { |
565602d7 ML |
15653 | struct intel_crtc_state *crtc_state = crtc->config; |
15654 | int pixclk = 0; | |
3b117c8f | 15655 | |
565602d7 ML |
15656 | __drm_atomic_helper_crtc_destroy_state(&crtc->base, &crtc_state->base); |
15657 | memset(crtc_state, 0, sizeof(*crtc_state)); | |
15658 | crtc_state->base.crtc = &crtc->base; | |
24929352 | 15659 | |
565602d7 ML |
15660 | crtc_state->base.active = crtc_state->base.enable = |
15661 | dev_priv->display.get_pipe_config(crtc, crtc_state); | |
15662 | ||
15663 | crtc->base.enabled = crtc_state->base.enable; | |
15664 | crtc->active = crtc_state->base.active; | |
15665 | ||
15666 | if (crtc_state->base.active) { | |
15667 | dev_priv->active_crtcs |= 1 << crtc->pipe; | |
15668 | ||
15669 | if (IS_BROADWELL(dev_priv)) { | |
15670 | pixclk = ilk_pipe_pixel_rate(crtc_state); | |
15671 | ||
15672 | /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ | |
15673 | if (crtc_state->ips_enabled) | |
15674 | pixclk = DIV_ROUND_UP(pixclk * 100, 95); | |
15675 | } else if (IS_VALLEYVIEW(dev_priv) || | |
15676 | IS_CHERRYVIEW(dev_priv) || | |
15677 | IS_BROXTON(dev_priv)) | |
15678 | pixclk = crtc_state->base.adjusted_mode.crtc_clock; | |
15679 | else | |
15680 | WARN_ON(dev_priv->display.modeset_calc_cdclk); | |
15681 | } | |
15682 | ||
15683 | dev_priv->min_pixclk[crtc->pipe] = pixclk; | |
b70709a6 | 15684 | |
f9cd7b88 | 15685 | readout_plane_state(crtc); |
24929352 DV |
15686 | |
15687 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", | |
15688 | crtc->base.base.id, | |
15689 | crtc->active ? "enabled" : "disabled"); | |
15690 | } | |
15691 | ||
5358901f DV |
15692 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
15693 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
15694 | ||
2edd6443 ACO |
15695 | pll->on = pll->funcs.get_hw_state(dev_priv, pll, |
15696 | &pll->config.hw_state); | |
5358901f | 15697 | pll->active = 0; |
3e369b76 | 15698 | pll->config.crtc_mask = 0; |
d3fcc808 | 15699 | for_each_intel_crtc(dev, crtc) { |
8106ddbd | 15700 | if (crtc->active && crtc->config->shared_dpll == pll) { |
5358901f | 15701 | pll->active++; |
3e369b76 | 15702 | pll->config.crtc_mask |= 1 << crtc->pipe; |
1e6f2ddc | 15703 | } |
5358901f | 15704 | } |
5358901f | 15705 | |
1e6f2ddc | 15706 | DRM_DEBUG_KMS("%s hw state readout: crtc_mask 0x%08x, on %i\n", |
3e369b76 | 15707 | pll->name, pll->config.crtc_mask, pll->on); |
bd2bb1b9 | 15708 | |
3e369b76 | 15709 | if (pll->config.crtc_mask) |
bd2bb1b9 | 15710 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
5358901f DV |
15711 | } |
15712 | ||
b2784e15 | 15713 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
15714 | pipe = 0; |
15715 | ||
15716 | if (encoder->get_hw_state(encoder, &pipe)) { | |
045ac3b5 JB |
15717 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
15718 | encoder->base.crtc = &crtc->base; | |
6e3c9717 | 15719 | encoder->get_config(encoder, crtc->config); |
24929352 DV |
15720 | } else { |
15721 | encoder->base.crtc = NULL; | |
15722 | } | |
15723 | ||
6f2bcceb | 15724 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
24929352 | 15725 | encoder->base.base.id, |
8e329a03 | 15726 | encoder->base.name, |
24929352 | 15727 | encoder->base.crtc ? "enabled" : "disabled", |
6f2bcceb | 15728 | pipe_name(pipe)); |
24929352 DV |
15729 | } |
15730 | ||
3a3371ff | 15731 | for_each_intel_connector(dev, connector) { |
24929352 DV |
15732 | if (connector->get_hw_state(connector)) { |
15733 | connector->base.dpms = DRM_MODE_DPMS_ON; | |
2aa974c9 ML |
15734 | |
15735 | encoder = connector->encoder; | |
15736 | connector->base.encoder = &encoder->base; | |
15737 | ||
15738 | if (encoder->base.crtc && | |
15739 | encoder->base.crtc->state->active) { | |
15740 | /* | |
15741 | * This has to be done during hardware readout | |
15742 | * because anything calling .crtc_disable may | |
15743 | * rely on the connector_mask being accurate. | |
15744 | */ | |
15745 | encoder->base.crtc->state->connector_mask |= | |
15746 | 1 << drm_connector_index(&connector->base); | |
e87a52b3 ML |
15747 | encoder->base.crtc->state->encoder_mask |= |
15748 | 1 << drm_encoder_index(&encoder->base); | |
2aa974c9 ML |
15749 | } |
15750 | ||
24929352 DV |
15751 | } else { |
15752 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
15753 | connector->base.encoder = NULL; | |
15754 | } | |
15755 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", | |
15756 | connector->base.base.id, | |
c23cc417 | 15757 | connector->base.name, |
24929352 DV |
15758 | connector->base.encoder ? "enabled" : "disabled"); |
15759 | } | |
7f4c6284 VS |
15760 | |
15761 | for_each_intel_crtc(dev, crtc) { | |
15762 | crtc->base.hwmode = crtc->config->base.adjusted_mode; | |
15763 | ||
15764 | memset(&crtc->base.mode, 0, sizeof(crtc->base.mode)); | |
15765 | if (crtc->base.state->active) { | |
15766 | intel_mode_from_pipe_config(&crtc->base.mode, crtc->config); | |
15767 | intel_mode_from_pipe_config(&crtc->base.state->adjusted_mode, crtc->config); | |
15768 | WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, &crtc->base.mode)); | |
15769 | ||
15770 | /* | |
15771 | * The initial mode needs to be set in order to keep | |
15772 | * the atomic core happy. It wants a valid mode if the | |
15773 | * crtc's enabled, so we do the above call. | |
15774 | * | |
15775 | * At this point some state updated by the connectors | |
15776 | * in their ->detect() callback has not run yet, so | |
15777 | * no recalculation can be done yet. | |
15778 | * | |
15779 | * Even if we could do a recalculation and modeset | |
15780 | * right now it would cause a double modeset if | |
15781 | * fbdev or userspace chooses a different initial mode. | |
15782 | * | |
15783 | * If that happens, someone indicated they wanted a | |
15784 | * mode change, which means it's safe to do a full | |
15785 | * recalculation. | |
15786 | */ | |
15787 | crtc->base.state->mode.private_flags = I915_MODE_FLAG_INHERITED; | |
9eca6832 VS |
15788 | |
15789 | drm_calc_timestamping_constants(&crtc->base, &crtc->base.hwmode); | |
15790 | update_scanline_offset(crtc); | |
7f4c6284 | 15791 | } |
e3b247da VS |
15792 | |
15793 | intel_pipe_config_sanity_check(dev_priv, crtc->config); | |
7f4c6284 | 15794 | } |
30e984df DV |
15795 | } |
15796 | ||
043e9bda ML |
15797 | /* Scan out the current hw modeset state, |
15798 | * and sanitizes it to the current state | |
15799 | */ | |
15800 | static void | |
15801 | intel_modeset_setup_hw_state(struct drm_device *dev) | |
30e984df DV |
15802 | { |
15803 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15804 | enum pipe pipe; | |
30e984df DV |
15805 | struct intel_crtc *crtc; |
15806 | struct intel_encoder *encoder; | |
35c95375 | 15807 | int i; |
30e984df DV |
15808 | |
15809 | intel_modeset_readout_hw_state(dev); | |
24929352 DV |
15810 | |
15811 | /* HW state is read out, now we need to sanitize this mess. */ | |
b2784e15 | 15812 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
15813 | intel_sanitize_encoder(encoder); |
15814 | } | |
15815 | ||
055e393f | 15816 | for_each_pipe(dev_priv, pipe) { |
24929352 DV |
15817 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
15818 | intel_sanitize_crtc(crtc); | |
6e3c9717 ACO |
15819 | intel_dump_pipe_config(crtc, crtc->config, |
15820 | "[setup_hw_state]"); | |
24929352 | 15821 | } |
9a935856 | 15822 | |
d29b2f9d ACO |
15823 | intel_modeset_update_connector_atomic_state(dev); |
15824 | ||
35c95375 DV |
15825 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
15826 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
15827 | ||
15828 | if (!pll->on || pll->active) | |
15829 | continue; | |
15830 | ||
15831 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); | |
15832 | ||
2edd6443 | 15833 | pll->funcs.disable(dev_priv, pll); |
35c95375 DV |
15834 | pll->on = false; |
15835 | } | |
15836 | ||
666a4537 | 15837 | if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) |
6eb1a681 VS |
15838 | vlv_wm_get_hw_state(dev); |
15839 | else if (IS_GEN9(dev)) | |
3078999f PB |
15840 | skl_wm_get_hw_state(dev); |
15841 | else if (HAS_PCH_SPLIT(dev)) | |
243e6a44 | 15842 | ilk_wm_get_hw_state(dev); |
292b990e ML |
15843 | |
15844 | for_each_intel_crtc(dev, crtc) { | |
15845 | unsigned long put_domains; | |
15846 | ||
74bff5f9 | 15847 | put_domains = modeset_get_crtc_power_domains(&crtc->base, crtc->config); |
292b990e ML |
15848 | if (WARN_ON(put_domains)) |
15849 | modeset_put_power_domains(dev_priv, put_domains); | |
15850 | } | |
15851 | intel_display_set_init_power(dev_priv, false); | |
010cf73d PZ |
15852 | |
15853 | intel_fbc_init_pipe_state(dev_priv); | |
043e9bda | 15854 | } |
7d0bc1ea | 15855 | |
043e9bda ML |
15856 | void intel_display_resume(struct drm_device *dev) |
15857 | { | |
e2c8b870 ML |
15858 | struct drm_i915_private *dev_priv = to_i915(dev); |
15859 | struct drm_atomic_state *state = dev_priv->modeset_restore_state; | |
15860 | struct drm_modeset_acquire_ctx ctx; | |
043e9bda | 15861 | int ret; |
e2c8b870 | 15862 | bool setup = false; |
f30da187 | 15863 | |
e2c8b870 | 15864 | dev_priv->modeset_restore_state = NULL; |
043e9bda | 15865 | |
ea49c9ac ML |
15866 | /* |
15867 | * This is a cludge because with real atomic modeset mode_config.mutex | |
15868 | * won't be taken. Unfortunately some probed state like | |
15869 | * audio_codec_enable is still protected by mode_config.mutex, so lock | |
15870 | * it here for now. | |
15871 | */ | |
15872 | mutex_lock(&dev->mode_config.mutex); | |
e2c8b870 | 15873 | drm_modeset_acquire_init(&ctx, 0); |
043e9bda | 15874 | |
e2c8b870 ML |
15875 | retry: |
15876 | ret = drm_modeset_lock_all_ctx(dev, &ctx); | |
043e9bda | 15877 | |
e2c8b870 ML |
15878 | if (ret == 0 && !setup) { |
15879 | setup = true; | |
043e9bda | 15880 | |
e2c8b870 ML |
15881 | intel_modeset_setup_hw_state(dev); |
15882 | i915_redisable_vga(dev); | |
45e2b5f6 | 15883 | } |
8af6cf88 | 15884 | |
e2c8b870 ML |
15885 | if (ret == 0 && state) { |
15886 | struct drm_crtc_state *crtc_state; | |
15887 | struct drm_crtc *crtc; | |
15888 | int i; | |
043e9bda | 15889 | |
e2c8b870 ML |
15890 | state->acquire_ctx = &ctx; |
15891 | ||
15892 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
15893 | /* | |
15894 | * Force recalculation even if we restore | |
15895 | * current state. With fast modeset this may not result | |
15896 | * in a modeset when the state is compatible. | |
15897 | */ | |
15898 | crtc_state->mode_changed = true; | |
15899 | } | |
15900 | ||
15901 | ret = drm_atomic_commit(state); | |
043e9bda ML |
15902 | } |
15903 | ||
e2c8b870 ML |
15904 | if (ret == -EDEADLK) { |
15905 | drm_modeset_backoff(&ctx); | |
15906 | goto retry; | |
15907 | } | |
043e9bda | 15908 | |
e2c8b870 ML |
15909 | drm_modeset_drop_locks(&ctx); |
15910 | drm_modeset_acquire_fini(&ctx); | |
ea49c9ac | 15911 | mutex_unlock(&dev->mode_config.mutex); |
043e9bda | 15912 | |
e2c8b870 ML |
15913 | if (ret) { |
15914 | DRM_ERROR("Restoring old state failed with %i\n", ret); | |
15915 | drm_atomic_state_free(state); | |
15916 | } | |
2c7111db CW |
15917 | } |
15918 | ||
15919 | void intel_modeset_gem_init(struct drm_device *dev) | |
15920 | { | |
484b41dd | 15921 | struct drm_crtc *c; |
2ff8fde1 | 15922 | struct drm_i915_gem_object *obj; |
e0d6149b | 15923 | int ret; |
484b41dd | 15924 | |
ae48434c | 15925 | intel_init_gt_powersave(dev); |
ae48434c | 15926 | |
1833b134 | 15927 | intel_modeset_init_hw(dev); |
02e792fb DV |
15928 | |
15929 | intel_setup_overlay(dev); | |
484b41dd JB |
15930 | |
15931 | /* | |
15932 | * Make sure any fbs we allocated at startup are properly | |
15933 | * pinned & fenced. When we do the allocation it's too early | |
15934 | * for this. | |
15935 | */ | |
70e1e0ec | 15936 | for_each_crtc(dev, c) { |
2ff8fde1 MR |
15937 | obj = intel_fb_obj(c->primary->fb); |
15938 | if (obj == NULL) | |
484b41dd JB |
15939 | continue; |
15940 | ||
e0d6149b | 15941 | mutex_lock(&dev->struct_mutex); |
3465c580 VS |
15942 | ret = intel_pin_and_fence_fb_obj(c->primary->fb, |
15943 | c->primary->state->rotation); | |
e0d6149b TU |
15944 | mutex_unlock(&dev->struct_mutex); |
15945 | if (ret) { | |
484b41dd JB |
15946 | DRM_ERROR("failed to pin boot fb on pipe %d\n", |
15947 | to_intel_crtc(c)->pipe); | |
66e514c1 DA |
15948 | drm_framebuffer_unreference(c->primary->fb); |
15949 | c->primary->fb = NULL; | |
36750f28 | 15950 | c->primary->crtc = c->primary->state->crtc = NULL; |
afd65eb4 | 15951 | update_state_fb(c->primary); |
36750f28 | 15952 | c->state->plane_mask &= ~(1 << drm_plane_index(c->primary)); |
484b41dd JB |
15953 | } |
15954 | } | |
0962c3c9 VS |
15955 | |
15956 | intel_backlight_register(dev); | |
79e53945 JB |
15957 | } |
15958 | ||
4932e2c3 ID |
15959 | void intel_connector_unregister(struct intel_connector *intel_connector) |
15960 | { | |
15961 | struct drm_connector *connector = &intel_connector->base; | |
15962 | ||
15963 | intel_panel_destroy_backlight(connector); | |
34ea3d38 | 15964 | drm_connector_unregister(connector); |
4932e2c3 ID |
15965 | } |
15966 | ||
79e53945 JB |
15967 | void intel_modeset_cleanup(struct drm_device *dev) |
15968 | { | |
652c393a | 15969 | struct drm_i915_private *dev_priv = dev->dev_private; |
19c8054c | 15970 | struct intel_connector *connector; |
652c393a | 15971 | |
2eb5252e ID |
15972 | intel_disable_gt_powersave(dev); |
15973 | ||
0962c3c9 VS |
15974 | intel_backlight_unregister(dev); |
15975 | ||
fd0c0642 DV |
15976 | /* |
15977 | * Interrupts and polling as the first thing to avoid creating havoc. | |
2eb5252e | 15978 | * Too much stuff here (turning of connectors, ...) would |
fd0c0642 DV |
15979 | * experience fancy races otherwise. |
15980 | */ | |
2aeb7d3a | 15981 | intel_irq_uninstall(dev_priv); |
eb21b92b | 15982 | |
fd0c0642 DV |
15983 | /* |
15984 | * Due to the hpd irq storm handling the hotplug work can re-arm the | |
15985 | * poll handlers. Hence disable polling after hpd handling is shut down. | |
15986 | */ | |
f87ea761 | 15987 | drm_kms_helper_poll_fini(dev); |
fd0c0642 | 15988 | |
723bfd70 JB |
15989 | intel_unregister_dsm_handler(); |
15990 | ||
c937ab3e | 15991 | intel_fbc_global_disable(dev_priv); |
69341a5e | 15992 | |
1630fe75 CW |
15993 | /* flush any delayed tasks or pending work */ |
15994 | flush_scheduled_work(); | |
15995 | ||
db31af1d | 15996 | /* destroy the backlight and sysfs files before encoders/connectors */ |
19c8054c JN |
15997 | for_each_intel_connector(dev, connector) |
15998 | connector->unregister(connector); | |
d9255d57 | 15999 | |
79e53945 | 16000 | drm_mode_config_cleanup(dev); |
4d7bb011 DV |
16001 | |
16002 | intel_cleanup_overlay(dev); | |
ae48434c | 16003 | |
ae48434c | 16004 | intel_cleanup_gt_powersave(dev); |
f5949141 DV |
16005 | |
16006 | intel_teardown_gmbus(dev); | |
79e53945 JB |
16007 | } |
16008 | ||
f1c79df3 ZW |
16009 | /* |
16010 | * Return which encoder is currently attached for connector. | |
16011 | */ | |
df0e9248 | 16012 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
79e53945 | 16013 | { |
df0e9248 CW |
16014 | return &intel_attached_encoder(connector)->base; |
16015 | } | |
f1c79df3 | 16016 | |
df0e9248 CW |
16017 | void intel_connector_attach_encoder(struct intel_connector *connector, |
16018 | struct intel_encoder *encoder) | |
16019 | { | |
16020 | connector->encoder = encoder; | |
16021 | drm_mode_connector_attach_encoder(&connector->base, | |
16022 | &encoder->base); | |
79e53945 | 16023 | } |
28d52043 DA |
16024 | |
16025 | /* | |
16026 | * set vga decode state - true == enable VGA decode | |
16027 | */ | |
16028 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) | |
16029 | { | |
16030 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a885b3cc | 16031 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
28d52043 DA |
16032 | u16 gmch_ctrl; |
16033 | ||
75fa041d CW |
16034 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
16035 | DRM_ERROR("failed to read control word\n"); | |
16036 | return -EIO; | |
16037 | } | |
16038 | ||
c0cc8a55 CW |
16039 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
16040 | return 0; | |
16041 | ||
28d52043 DA |
16042 | if (state) |
16043 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; | |
16044 | else | |
16045 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; | |
75fa041d CW |
16046 | |
16047 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { | |
16048 | DRM_ERROR("failed to write control word\n"); | |
16049 | return -EIO; | |
16050 | } | |
16051 | ||
28d52043 DA |
16052 | return 0; |
16053 | } | |
c4a1d9e4 | 16054 | |
c4a1d9e4 | 16055 | struct intel_display_error_state { |
ff57f1b0 PZ |
16056 | |
16057 | u32 power_well_driver; | |
16058 | ||
63b66e5b CW |
16059 | int num_transcoders; |
16060 | ||
c4a1d9e4 CW |
16061 | struct intel_cursor_error_state { |
16062 | u32 control; | |
16063 | u32 position; | |
16064 | u32 base; | |
16065 | u32 size; | |
52331309 | 16066 | } cursor[I915_MAX_PIPES]; |
c4a1d9e4 CW |
16067 | |
16068 | struct intel_pipe_error_state { | |
ddf9c536 | 16069 | bool power_domain_on; |
c4a1d9e4 | 16070 | u32 source; |
f301b1e1 | 16071 | u32 stat; |
52331309 | 16072 | } pipe[I915_MAX_PIPES]; |
c4a1d9e4 CW |
16073 | |
16074 | struct intel_plane_error_state { | |
16075 | u32 control; | |
16076 | u32 stride; | |
16077 | u32 size; | |
16078 | u32 pos; | |
16079 | u32 addr; | |
16080 | u32 surface; | |
16081 | u32 tile_offset; | |
52331309 | 16082 | } plane[I915_MAX_PIPES]; |
63b66e5b CW |
16083 | |
16084 | struct intel_transcoder_error_state { | |
ddf9c536 | 16085 | bool power_domain_on; |
63b66e5b CW |
16086 | enum transcoder cpu_transcoder; |
16087 | ||
16088 | u32 conf; | |
16089 | ||
16090 | u32 htotal; | |
16091 | u32 hblank; | |
16092 | u32 hsync; | |
16093 | u32 vtotal; | |
16094 | u32 vblank; | |
16095 | u32 vsync; | |
16096 | } transcoder[4]; | |
c4a1d9e4 CW |
16097 | }; |
16098 | ||
16099 | struct intel_display_error_state * | |
16100 | intel_display_capture_error_state(struct drm_device *dev) | |
16101 | { | |
fbee40df | 16102 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 | 16103 | struct intel_display_error_state *error; |
63b66e5b CW |
16104 | int transcoders[] = { |
16105 | TRANSCODER_A, | |
16106 | TRANSCODER_B, | |
16107 | TRANSCODER_C, | |
16108 | TRANSCODER_EDP, | |
16109 | }; | |
c4a1d9e4 CW |
16110 | int i; |
16111 | ||
63b66e5b CW |
16112 | if (INTEL_INFO(dev)->num_pipes == 0) |
16113 | return NULL; | |
16114 | ||
9d1cb914 | 16115 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
c4a1d9e4 CW |
16116 | if (error == NULL) |
16117 | return NULL; | |
16118 | ||
190be112 | 16119 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
ff57f1b0 PZ |
16120 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
16121 | ||
055e393f | 16122 | for_each_pipe(dev_priv, i) { |
ddf9c536 | 16123 | error->pipe[i].power_domain_on = |
f458ebbc DV |
16124 | __intel_display_power_is_enabled(dev_priv, |
16125 | POWER_DOMAIN_PIPE(i)); | |
ddf9c536 | 16126 | if (!error->pipe[i].power_domain_on) |
9d1cb914 PZ |
16127 | continue; |
16128 | ||
5efb3e28 VS |
16129 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
16130 | error->cursor[i].position = I915_READ(CURPOS(i)); | |
16131 | error->cursor[i].base = I915_READ(CURBASE(i)); | |
c4a1d9e4 CW |
16132 | |
16133 | error->plane[i].control = I915_READ(DSPCNTR(i)); | |
16134 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); | |
80ca378b | 16135 | if (INTEL_INFO(dev)->gen <= 3) { |
51889b35 | 16136 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
80ca378b PZ |
16137 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
16138 | } | |
ca291363 PZ |
16139 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
16140 | error->plane[i].addr = I915_READ(DSPADDR(i)); | |
c4a1d9e4 CW |
16141 | if (INTEL_INFO(dev)->gen >= 4) { |
16142 | error->plane[i].surface = I915_READ(DSPSURF(i)); | |
16143 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); | |
16144 | } | |
16145 | ||
c4a1d9e4 | 16146 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
f301b1e1 | 16147 | |
3abfce77 | 16148 | if (HAS_GMCH_DISPLAY(dev)) |
f301b1e1 | 16149 | error->pipe[i].stat = I915_READ(PIPESTAT(i)); |
63b66e5b CW |
16150 | } |
16151 | ||
16152 | error->num_transcoders = INTEL_INFO(dev)->num_pipes; | |
16153 | if (HAS_DDI(dev_priv->dev)) | |
16154 | error->num_transcoders++; /* Account for eDP. */ | |
16155 | ||
16156 | for (i = 0; i < error->num_transcoders; i++) { | |
16157 | enum transcoder cpu_transcoder = transcoders[i]; | |
16158 | ||
ddf9c536 | 16159 | error->transcoder[i].power_domain_on = |
f458ebbc | 16160 | __intel_display_power_is_enabled(dev_priv, |
38cc1daf | 16161 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
ddf9c536 | 16162 | if (!error->transcoder[i].power_domain_on) |
9d1cb914 PZ |
16163 | continue; |
16164 | ||
63b66e5b CW |
16165 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
16166 | ||
16167 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); | |
16168 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); | |
16169 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); | |
16170 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); | |
16171 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); | |
16172 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); | |
16173 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); | |
c4a1d9e4 CW |
16174 | } |
16175 | ||
16176 | return error; | |
16177 | } | |
16178 | ||
edc3d884 MK |
16179 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
16180 | ||
c4a1d9e4 | 16181 | void |
edc3d884 | 16182 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
c4a1d9e4 CW |
16183 | struct drm_device *dev, |
16184 | struct intel_display_error_state *error) | |
16185 | { | |
055e393f | 16186 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 CW |
16187 | int i; |
16188 | ||
63b66e5b CW |
16189 | if (!error) |
16190 | return; | |
16191 | ||
edc3d884 | 16192 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
190be112 | 16193 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
edc3d884 | 16194 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
ff57f1b0 | 16195 | error->power_well_driver); |
055e393f | 16196 | for_each_pipe(dev_priv, i) { |
edc3d884 | 16197 | err_printf(m, "Pipe [%d]:\n", i); |
ddf9c536 | 16198 | err_printf(m, " Power: %s\n", |
87ad3212 | 16199 | onoff(error->pipe[i].power_domain_on)); |
edc3d884 | 16200 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
f301b1e1 | 16201 | err_printf(m, " STAT: %08x\n", error->pipe[i].stat); |
edc3d884 MK |
16202 | |
16203 | err_printf(m, "Plane [%d]:\n", i); | |
16204 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); | |
16205 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); | |
80ca378b | 16206 | if (INTEL_INFO(dev)->gen <= 3) { |
edc3d884 MK |
16207 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
16208 | err_printf(m, " POS: %08x\n", error->plane[i].pos); | |
80ca378b | 16209 | } |
4b71a570 | 16210 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
edc3d884 | 16211 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
c4a1d9e4 | 16212 | if (INTEL_INFO(dev)->gen >= 4) { |
edc3d884 MK |
16213 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
16214 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); | |
c4a1d9e4 CW |
16215 | } |
16216 | ||
edc3d884 MK |
16217 | err_printf(m, "Cursor [%d]:\n", i); |
16218 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); | |
16219 | err_printf(m, " POS: %08x\n", error->cursor[i].position); | |
16220 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); | |
c4a1d9e4 | 16221 | } |
63b66e5b CW |
16222 | |
16223 | for (i = 0; i < error->num_transcoders; i++) { | |
1cf84bb6 | 16224 | err_printf(m, "CPU transcoder: %c\n", |
63b66e5b | 16225 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
ddf9c536 | 16226 | err_printf(m, " Power: %s\n", |
87ad3212 | 16227 | onoff(error->transcoder[i].power_domain_on)); |
63b66e5b CW |
16228 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
16229 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); | |
16230 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); | |
16231 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); | |
16232 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); | |
16233 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); | |
16234 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); | |
16235 | } | |
c4a1d9e4 | 16236 | } |