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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> |
79e53945 | 47 | |
465c120c | 48 | /* Primary plane formats for gen <= 3 */ |
568db4f2 | 49 | static const uint32_t i8xx_primary_formats[] = { |
67fe7dc5 DL |
50 | DRM_FORMAT_C8, |
51 | DRM_FORMAT_RGB565, | |
465c120c | 52 | DRM_FORMAT_XRGB1555, |
67fe7dc5 | 53 | DRM_FORMAT_XRGB8888, |
465c120c MR |
54 | }; |
55 | ||
56 | /* Primary plane formats for gen >= 4 */ | |
568db4f2 | 57 | static const uint32_t i965_primary_formats[] = { |
6c0fd451 DL |
58 | DRM_FORMAT_C8, |
59 | DRM_FORMAT_RGB565, | |
60 | DRM_FORMAT_XRGB8888, | |
61 | DRM_FORMAT_XBGR8888, | |
62 | DRM_FORMAT_XRGB2101010, | |
63 | DRM_FORMAT_XBGR2101010, | |
64 | }; | |
65 | ||
66 | static const uint32_t skl_primary_formats[] = { | |
67fe7dc5 DL |
67 | DRM_FORMAT_C8, |
68 | DRM_FORMAT_RGB565, | |
69 | DRM_FORMAT_XRGB8888, | |
465c120c | 70 | DRM_FORMAT_XBGR8888, |
67fe7dc5 | 71 | DRM_FORMAT_ARGB8888, |
465c120c MR |
72 | DRM_FORMAT_ABGR8888, |
73 | DRM_FORMAT_XRGB2101010, | |
465c120c | 74 | DRM_FORMAT_XBGR2101010, |
ea916ea0 KM |
75 | DRM_FORMAT_YUYV, |
76 | DRM_FORMAT_YVYU, | |
77 | DRM_FORMAT_UYVY, | |
78 | DRM_FORMAT_VYUY, | |
465c120c MR |
79 | }; |
80 | ||
3d7d6510 MR |
81 | /* Cursor formats */ |
82 | static const uint32_t intel_cursor_formats[] = { | |
83 | DRM_FORMAT_ARGB8888, | |
84 | }; | |
85 | ||
6b383a7f | 86 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, bool on); |
79e53945 | 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); |
e7457a9a | 119 | |
79e53945 | 120 | typedef struct { |
0206e353 | 121 | int min, max; |
79e53945 JB |
122 | } intel_range_t; |
123 | ||
124 | typedef struct { | |
0206e353 AJ |
125 | int dot_limit; |
126 | int p2_slow, p2_fast; | |
79e53945 JB |
127 | } intel_p2_t; |
128 | ||
d4906093 ML |
129 | typedef struct intel_limit intel_limit_t; |
130 | struct intel_limit { | |
0206e353 AJ |
131 | intel_range_t dot, vco, n, m, m1, m2, p, p1; |
132 | intel_p2_t p2; | |
d4906093 | 133 | }; |
79e53945 | 134 | |
bfa7df01 VS |
135 | /* returns HPLL frequency in kHz */ |
136 | static int valleyview_get_vco(struct drm_i915_private *dev_priv) | |
137 | { | |
138 | int hpll_freq, vco_freq[] = { 800, 1600, 2000, 2400 }; | |
139 | ||
140 | /* Obtain SKU information */ | |
141 | mutex_lock(&dev_priv->sb_lock); | |
142 | hpll_freq = vlv_cck_read(dev_priv, CCK_FUSE_REG) & | |
143 | CCK_FUSE_HPLL_FREQ_MASK; | |
144 | mutex_unlock(&dev_priv->sb_lock); | |
145 | ||
146 | return vco_freq[hpll_freq] * 1000; | |
147 | } | |
148 | ||
149 | static int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, | |
150 | const char *name, u32 reg) | |
151 | { | |
152 | u32 val; | |
153 | int divider; | |
154 | ||
155 | if (dev_priv->hpll_freq == 0) | |
156 | dev_priv->hpll_freq = valleyview_get_vco(dev_priv); | |
157 | ||
158 | mutex_lock(&dev_priv->sb_lock); | |
159 | val = vlv_cck_read(dev_priv, reg); | |
160 | mutex_unlock(&dev_priv->sb_lock); | |
161 | ||
162 | divider = val & CCK_FREQUENCY_VALUES; | |
163 | ||
164 | WARN((val & CCK_FREQUENCY_STATUS) != | |
165 | (divider << CCK_FREQUENCY_STATUS_SHIFT), | |
166 | "%s change in progress\n", name); | |
167 | ||
168 | return DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, divider + 1); | |
169 | } | |
170 | ||
d2acd215 DV |
171 | int |
172 | intel_pch_rawclk(struct drm_device *dev) | |
173 | { | |
174 | struct drm_i915_private *dev_priv = dev->dev_private; | |
175 | ||
176 | WARN_ON(!HAS_PCH_SPLIT(dev)); | |
177 | ||
178 | return I915_READ(PCH_RAWCLK_FREQ) & RAWCLK_FREQ_MASK; | |
179 | } | |
180 | ||
79e50a4f JN |
181 | /* hrawclock is 1/4 the FSB frequency */ |
182 | int intel_hrawclk(struct drm_device *dev) | |
183 | { | |
184 | struct drm_i915_private *dev_priv = dev->dev_private; | |
185 | uint32_t clkcfg; | |
186 | ||
187 | /* There is no CLKCFG reg in Valleyview. VLV hrawclk is 200 MHz */ | |
188 | if (IS_VALLEYVIEW(dev)) | |
189 | return 200; | |
190 | ||
191 | clkcfg = I915_READ(CLKCFG); | |
192 | switch (clkcfg & CLKCFG_FSB_MASK) { | |
193 | case CLKCFG_FSB_400: | |
194 | return 100; | |
195 | case CLKCFG_FSB_533: | |
196 | return 133; | |
197 | case CLKCFG_FSB_667: | |
198 | return 166; | |
199 | case CLKCFG_FSB_800: | |
200 | return 200; | |
201 | case CLKCFG_FSB_1067: | |
202 | return 266; | |
203 | case CLKCFG_FSB_1333: | |
204 | return 333; | |
205 | /* these two are just a guess; one of them might be right */ | |
206 | case CLKCFG_FSB_1600: | |
207 | case CLKCFG_FSB_1600_ALT: | |
208 | return 400; | |
209 | default: | |
210 | return 133; | |
211 | } | |
212 | } | |
213 | ||
bfa7df01 VS |
214 | static void intel_update_czclk(struct drm_i915_private *dev_priv) |
215 | { | |
216 | if (!IS_VALLEYVIEW(dev_priv)) | |
217 | return; | |
218 | ||
219 | dev_priv->czclk_freq = vlv_get_cck_clock_hpll(dev_priv, "czclk", | |
220 | CCK_CZ_CLOCK_CONTROL); | |
221 | ||
222 | DRM_DEBUG_DRIVER("CZ clock rate: %d kHz\n", dev_priv->czclk_freq); | |
223 | } | |
224 | ||
021357ac CW |
225 | static inline u32 /* units of 100MHz */ |
226 | intel_fdi_link_freq(struct drm_device *dev) | |
227 | { | |
8b99e68c CW |
228 | if (IS_GEN5(dev)) { |
229 | struct drm_i915_private *dev_priv = dev->dev_private; | |
230 | return (I915_READ(FDI_PLL_BIOS_0) & FDI_PLL_FB_CLOCK_MASK) + 2; | |
231 | } else | |
232 | return 27; | |
021357ac CW |
233 | } |
234 | ||
5d536e28 | 235 | static const intel_limit_t intel_limits_i8xx_dac = { |
0206e353 | 236 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 237 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 238 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
239 | .m = { .min = 96, .max = 140 }, |
240 | .m1 = { .min = 18, .max = 26 }, | |
241 | .m2 = { .min = 6, .max = 16 }, | |
242 | .p = { .min = 4, .max = 128 }, | |
243 | .p1 = { .min = 2, .max = 33 }, | |
273e27ca EA |
244 | .p2 = { .dot_limit = 165000, |
245 | .p2_slow = 4, .p2_fast = 2 }, | |
e4b36699 KP |
246 | }; |
247 | ||
5d536e28 DV |
248 | static const intel_limit_t intel_limits_i8xx_dvo = { |
249 | .dot = { .min = 25000, .max = 350000 }, | |
9c333719 | 250 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 251 | .n = { .min = 2, .max = 16 }, |
5d536e28 DV |
252 | .m = { .min = 96, .max = 140 }, |
253 | .m1 = { .min = 18, .max = 26 }, | |
254 | .m2 = { .min = 6, .max = 16 }, | |
255 | .p = { .min = 4, .max = 128 }, | |
256 | .p1 = { .min = 2, .max = 33 }, | |
257 | .p2 = { .dot_limit = 165000, | |
258 | .p2_slow = 4, .p2_fast = 4 }, | |
259 | }; | |
260 | ||
e4b36699 | 261 | static const intel_limit_t intel_limits_i8xx_lvds = { |
0206e353 | 262 | .dot = { .min = 25000, .max = 350000 }, |
9c333719 | 263 | .vco = { .min = 908000, .max = 1512000 }, |
91dbe5fb | 264 | .n = { .min = 2, .max = 16 }, |
0206e353 AJ |
265 | .m = { .min = 96, .max = 140 }, |
266 | .m1 = { .min = 18, .max = 26 }, | |
267 | .m2 = { .min = 6, .max = 16 }, | |
268 | .p = { .min = 4, .max = 128 }, | |
269 | .p1 = { .min = 1, .max = 6 }, | |
273e27ca EA |
270 | .p2 = { .dot_limit = 165000, |
271 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 | 272 | }; |
273e27ca | 273 | |
e4b36699 | 274 | static const intel_limit_t intel_limits_i9xx_sdvo = { |
0206e353 AJ |
275 | .dot = { .min = 20000, .max = 400000 }, |
276 | .vco = { .min = 1400000, .max = 2800000 }, | |
277 | .n = { .min = 1, .max = 6 }, | |
278 | .m = { .min = 70, .max = 120 }, | |
4f7dfb67 PJ |
279 | .m1 = { .min = 8, .max = 18 }, |
280 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
281 | .p = { .min = 5, .max = 80 }, |
282 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
283 | .p2 = { .dot_limit = 200000, |
284 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
285 | }; |
286 | ||
287 | static const intel_limit_t intel_limits_i9xx_lvds = { | |
0206e353 AJ |
288 | .dot = { .min = 20000, .max = 400000 }, |
289 | .vco = { .min = 1400000, .max = 2800000 }, | |
290 | .n = { .min = 1, .max = 6 }, | |
291 | .m = { .min = 70, .max = 120 }, | |
53a7d2d1 PJ |
292 | .m1 = { .min = 8, .max = 18 }, |
293 | .m2 = { .min = 3, .max = 7 }, | |
0206e353 AJ |
294 | .p = { .min = 7, .max = 98 }, |
295 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
296 | .p2 = { .dot_limit = 112000, |
297 | .p2_slow = 14, .p2_fast = 7 }, | |
e4b36699 KP |
298 | }; |
299 | ||
273e27ca | 300 | |
e4b36699 | 301 | static const intel_limit_t intel_limits_g4x_sdvo = { |
273e27ca EA |
302 | .dot = { .min = 25000, .max = 270000 }, |
303 | .vco = { .min = 1750000, .max = 3500000}, | |
304 | .n = { .min = 1, .max = 4 }, | |
305 | .m = { .min = 104, .max = 138 }, | |
306 | .m1 = { .min = 17, .max = 23 }, | |
307 | .m2 = { .min = 5, .max = 11 }, | |
308 | .p = { .min = 10, .max = 30 }, | |
309 | .p1 = { .min = 1, .max = 3}, | |
310 | .p2 = { .dot_limit = 270000, | |
311 | .p2_slow = 10, | |
312 | .p2_fast = 10 | |
044c7c41 | 313 | }, |
e4b36699 KP |
314 | }; |
315 | ||
316 | static const intel_limit_t intel_limits_g4x_hdmi = { | |
273e27ca EA |
317 | .dot = { .min = 22000, .max = 400000 }, |
318 | .vco = { .min = 1750000, .max = 3500000}, | |
319 | .n = { .min = 1, .max = 4 }, | |
320 | .m = { .min = 104, .max = 138 }, | |
321 | .m1 = { .min = 16, .max = 23 }, | |
322 | .m2 = { .min = 5, .max = 11 }, | |
323 | .p = { .min = 5, .max = 80 }, | |
324 | .p1 = { .min = 1, .max = 8}, | |
325 | .p2 = { .dot_limit = 165000, | |
326 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
327 | }; |
328 | ||
329 | static const intel_limit_t intel_limits_g4x_single_channel_lvds = { | |
273e27ca EA |
330 | .dot = { .min = 20000, .max = 115000 }, |
331 | .vco = { .min = 1750000, .max = 3500000 }, | |
332 | .n = { .min = 1, .max = 3 }, | |
333 | .m = { .min = 104, .max = 138 }, | |
334 | .m1 = { .min = 17, .max = 23 }, | |
335 | .m2 = { .min = 5, .max = 11 }, | |
336 | .p = { .min = 28, .max = 112 }, | |
337 | .p1 = { .min = 2, .max = 8 }, | |
338 | .p2 = { .dot_limit = 0, | |
339 | .p2_slow = 14, .p2_fast = 14 | |
044c7c41 | 340 | }, |
e4b36699 KP |
341 | }; |
342 | ||
343 | static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { | |
273e27ca EA |
344 | .dot = { .min = 80000, .max = 224000 }, |
345 | .vco = { .min = 1750000, .max = 3500000 }, | |
346 | .n = { .min = 1, .max = 3 }, | |
347 | .m = { .min = 104, .max = 138 }, | |
348 | .m1 = { .min = 17, .max = 23 }, | |
349 | .m2 = { .min = 5, .max = 11 }, | |
350 | .p = { .min = 14, .max = 42 }, | |
351 | .p1 = { .min = 2, .max = 6 }, | |
352 | .p2 = { .dot_limit = 0, | |
353 | .p2_slow = 7, .p2_fast = 7 | |
044c7c41 | 354 | }, |
e4b36699 KP |
355 | }; |
356 | ||
f2b115e6 | 357 | static const intel_limit_t intel_limits_pineview_sdvo = { |
0206e353 AJ |
358 | .dot = { .min = 20000, .max = 400000}, |
359 | .vco = { .min = 1700000, .max = 3500000 }, | |
273e27ca | 360 | /* Pineview's Ncounter is a ring counter */ |
0206e353 AJ |
361 | .n = { .min = 3, .max = 6 }, |
362 | .m = { .min = 2, .max = 256 }, | |
273e27ca | 363 | /* Pineview only has one combined m divider, which we treat as m2. */ |
0206e353 AJ |
364 | .m1 = { .min = 0, .max = 0 }, |
365 | .m2 = { .min = 0, .max = 254 }, | |
366 | .p = { .min = 5, .max = 80 }, | |
367 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
368 | .p2 = { .dot_limit = 200000, |
369 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
370 | }; |
371 | ||
f2b115e6 | 372 | static const intel_limit_t intel_limits_pineview_lvds = { |
0206e353 AJ |
373 | .dot = { .min = 20000, .max = 400000 }, |
374 | .vco = { .min = 1700000, .max = 3500000 }, | |
375 | .n = { .min = 3, .max = 6 }, | |
376 | .m = { .min = 2, .max = 256 }, | |
377 | .m1 = { .min = 0, .max = 0 }, | |
378 | .m2 = { .min = 0, .max = 254 }, | |
379 | .p = { .min = 7, .max = 112 }, | |
380 | .p1 = { .min = 1, .max = 8 }, | |
273e27ca EA |
381 | .p2 = { .dot_limit = 112000, |
382 | .p2_slow = 14, .p2_fast = 14 }, | |
e4b36699 KP |
383 | }; |
384 | ||
273e27ca EA |
385 | /* Ironlake / Sandybridge |
386 | * | |
387 | * We calculate clock using (register_value + 2) for N/M1/M2, so here | |
388 | * the range value for them is (actual_value - 2). | |
389 | */ | |
b91ad0ec | 390 | static const intel_limit_t intel_limits_ironlake_dac = { |
273e27ca EA |
391 | .dot = { .min = 25000, .max = 350000 }, |
392 | .vco = { .min = 1760000, .max = 3510000 }, | |
393 | .n = { .min = 1, .max = 5 }, | |
394 | .m = { .min = 79, .max = 127 }, | |
395 | .m1 = { .min = 12, .max = 22 }, | |
396 | .m2 = { .min = 5, .max = 9 }, | |
397 | .p = { .min = 5, .max = 80 }, | |
398 | .p1 = { .min = 1, .max = 8 }, | |
399 | .p2 = { .dot_limit = 225000, | |
400 | .p2_slow = 10, .p2_fast = 5 }, | |
e4b36699 KP |
401 | }; |
402 | ||
b91ad0ec | 403 | static const intel_limit_t intel_limits_ironlake_single_lvds = { |
273e27ca EA |
404 | .dot = { .min = 25000, .max = 350000 }, |
405 | .vco = { .min = 1760000, .max = 3510000 }, | |
406 | .n = { .min = 1, .max = 3 }, | |
407 | .m = { .min = 79, .max = 118 }, | |
408 | .m1 = { .min = 12, .max = 22 }, | |
409 | .m2 = { .min = 5, .max = 9 }, | |
410 | .p = { .min = 28, .max = 112 }, | |
411 | .p1 = { .min = 2, .max = 8 }, | |
412 | .p2 = { .dot_limit = 225000, | |
413 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
414 | }; |
415 | ||
416 | static const intel_limit_t intel_limits_ironlake_dual_lvds = { | |
273e27ca EA |
417 | .dot = { .min = 25000, .max = 350000 }, |
418 | .vco = { .min = 1760000, .max = 3510000 }, | |
419 | .n = { .min = 1, .max = 3 }, | |
420 | .m = { .min = 79, .max = 127 }, | |
421 | .m1 = { .min = 12, .max = 22 }, | |
422 | .m2 = { .min = 5, .max = 9 }, | |
423 | .p = { .min = 14, .max = 56 }, | |
424 | .p1 = { .min = 2, .max = 8 }, | |
425 | .p2 = { .dot_limit = 225000, | |
426 | .p2_slow = 7, .p2_fast = 7 }, | |
b91ad0ec ZW |
427 | }; |
428 | ||
273e27ca | 429 | /* LVDS 100mhz refclk limits. */ |
b91ad0ec | 430 | static const intel_limit_t intel_limits_ironlake_single_lvds_100m = { |
273e27ca EA |
431 | .dot = { .min = 25000, .max = 350000 }, |
432 | .vco = { .min = 1760000, .max = 3510000 }, | |
433 | .n = { .min = 1, .max = 2 }, | |
434 | .m = { .min = 79, .max = 126 }, | |
435 | .m1 = { .min = 12, .max = 22 }, | |
436 | .m2 = { .min = 5, .max = 9 }, | |
437 | .p = { .min = 28, .max = 112 }, | |
0206e353 | 438 | .p1 = { .min = 2, .max = 8 }, |
273e27ca EA |
439 | .p2 = { .dot_limit = 225000, |
440 | .p2_slow = 14, .p2_fast = 14 }, | |
b91ad0ec ZW |
441 | }; |
442 | ||
443 | static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = { | |
273e27ca EA |
444 | .dot = { .min = 25000, .max = 350000 }, |
445 | .vco = { .min = 1760000, .max = 3510000 }, | |
446 | .n = { .min = 1, .max = 3 }, | |
447 | .m = { .min = 79, .max = 126 }, | |
448 | .m1 = { .min = 12, .max = 22 }, | |
449 | .m2 = { .min = 5, .max = 9 }, | |
450 | .p = { .min = 14, .max = 42 }, | |
0206e353 | 451 | .p1 = { .min = 2, .max = 6 }, |
273e27ca EA |
452 | .p2 = { .dot_limit = 225000, |
453 | .p2_slow = 7, .p2_fast = 7 }, | |
4547668a ZY |
454 | }; |
455 | ||
dc730512 | 456 | static const intel_limit_t intel_limits_vlv = { |
f01b7962 VS |
457 | /* |
458 | * These are the data rate limits (measured in fast clocks) | |
459 | * since those are the strictest limits we have. The fast | |
460 | * clock and actual rate limits are more relaxed, so checking | |
461 | * them would make no difference. | |
462 | */ | |
463 | .dot = { .min = 25000 * 5, .max = 270000 * 5 }, | |
75e53986 | 464 | .vco = { .min = 4000000, .max = 6000000 }, |
a0c4da24 | 465 | .n = { .min = 1, .max = 7 }, |
a0c4da24 JB |
466 | .m1 = { .min = 2, .max = 3 }, |
467 | .m2 = { .min = 11, .max = 156 }, | |
b99ab663 | 468 | .p1 = { .min = 2, .max = 3 }, |
5fdc9c49 | 469 | .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */ |
a0c4da24 JB |
470 | }; |
471 | ||
ef9348c8 CML |
472 | static const intel_limit_t intel_limits_chv = { |
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 = 540000 * 5}, | |
17fe1021 | 480 | .vco = { .min = 4800000, .max = 6480000 }, |
ef9348c8 CML |
481 | .n = { .min = 1, .max = 1 }, |
482 | .m1 = { .min = 2, .max = 2 }, | |
483 | .m2 = { .min = 24 << 22, .max = 175 << 22 }, | |
484 | .p1 = { .min = 2, .max = 4 }, | |
485 | .p2 = { .p2_slow = 1, .p2_fast = 14 }, | |
486 | }; | |
487 | ||
5ab7b0b7 ID |
488 | static const intel_limit_t intel_limits_bxt = { |
489 | /* FIXME: find real dot limits */ | |
490 | .dot = { .min = 0, .max = INT_MAX }, | |
e6292556 | 491 | .vco = { .min = 4800000, .max = 6700000 }, |
5ab7b0b7 ID |
492 | .n = { .min = 1, .max = 1 }, |
493 | .m1 = { .min = 2, .max = 2 }, | |
494 | /* FIXME: find real m2 limits */ | |
495 | .m2 = { .min = 2 << 22, .max = 255 << 22 }, | |
496 | .p1 = { .min = 2, .max = 4 }, | |
497 | .p2 = { .p2_slow = 1, .p2_fast = 20 }, | |
498 | }; | |
499 | ||
cdba954e ACO |
500 | static bool |
501 | needs_modeset(struct drm_crtc_state *state) | |
502 | { | |
fc596660 | 503 | return drm_atomic_crtc_needs_modeset(state); |
cdba954e ACO |
504 | } |
505 | ||
e0638cdf PZ |
506 | /** |
507 | * Returns whether any output on the specified pipe is of the specified type | |
508 | */ | |
4093561b | 509 | bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type) |
e0638cdf | 510 | { |
409ee761 | 511 | struct drm_device *dev = crtc->base.dev; |
e0638cdf PZ |
512 | struct intel_encoder *encoder; |
513 | ||
409ee761 | 514 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
e0638cdf PZ |
515 | if (encoder->type == type) |
516 | return true; | |
517 | ||
518 | return false; | |
519 | } | |
520 | ||
d0737e1d ACO |
521 | /** |
522 | * Returns whether any output on the specified pipe will have the specified | |
523 | * type after a staged modeset is complete, i.e., the same as | |
524 | * intel_pipe_has_type() but looking at encoder->new_crtc instead of | |
525 | * encoder->crtc. | |
526 | */ | |
a93e255f ACO |
527 | static bool intel_pipe_will_have_type(const struct intel_crtc_state *crtc_state, |
528 | int type) | |
d0737e1d | 529 | { |
a93e255f | 530 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 531 | struct drm_connector *connector; |
a93e255f | 532 | struct drm_connector_state *connector_state; |
d0737e1d | 533 | struct intel_encoder *encoder; |
a93e255f ACO |
534 | int i, num_connectors = 0; |
535 | ||
da3ced29 | 536 | for_each_connector_in_state(state, connector, connector_state, i) { |
a93e255f ACO |
537 | if (connector_state->crtc != crtc_state->base.crtc) |
538 | continue; | |
539 | ||
540 | num_connectors++; | |
d0737e1d | 541 | |
a93e255f ACO |
542 | encoder = to_intel_encoder(connector_state->best_encoder); |
543 | if (encoder->type == type) | |
d0737e1d | 544 | return true; |
a93e255f ACO |
545 | } |
546 | ||
547 | WARN_ON(num_connectors == 0); | |
d0737e1d ACO |
548 | |
549 | return false; | |
550 | } | |
551 | ||
a93e255f ACO |
552 | static const intel_limit_t * |
553 | intel_ironlake_limit(struct intel_crtc_state *crtc_state, int refclk) | |
2c07245f | 554 | { |
a93e255f | 555 | struct drm_device *dev = crtc_state->base.crtc->dev; |
2c07245f | 556 | const intel_limit_t *limit; |
b91ad0ec | 557 | |
a93e255f | 558 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 559 | if (intel_is_dual_link_lvds(dev)) { |
1b894b59 | 560 | if (refclk == 100000) |
b91ad0ec ZW |
561 | limit = &intel_limits_ironlake_dual_lvds_100m; |
562 | else | |
563 | limit = &intel_limits_ironlake_dual_lvds; | |
564 | } else { | |
1b894b59 | 565 | if (refclk == 100000) |
b91ad0ec ZW |
566 | limit = &intel_limits_ironlake_single_lvds_100m; |
567 | else | |
568 | limit = &intel_limits_ironlake_single_lvds; | |
569 | } | |
c6bb3538 | 570 | } else |
b91ad0ec | 571 | limit = &intel_limits_ironlake_dac; |
2c07245f ZW |
572 | |
573 | return limit; | |
574 | } | |
575 | ||
a93e255f ACO |
576 | static const intel_limit_t * |
577 | intel_g4x_limit(struct intel_crtc_state *crtc_state) | |
044c7c41 | 578 | { |
a93e255f | 579 | struct drm_device *dev = crtc_state->base.crtc->dev; |
044c7c41 ML |
580 | const intel_limit_t *limit; |
581 | ||
a93e255f | 582 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
1974cad0 | 583 | if (intel_is_dual_link_lvds(dev)) |
e4b36699 | 584 | limit = &intel_limits_g4x_dual_channel_lvds; |
044c7c41 | 585 | else |
e4b36699 | 586 | limit = &intel_limits_g4x_single_channel_lvds; |
a93e255f ACO |
587 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI) || |
588 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_ANALOG)) { | |
e4b36699 | 589 | limit = &intel_limits_g4x_hdmi; |
a93e255f | 590 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO)) { |
e4b36699 | 591 | limit = &intel_limits_g4x_sdvo; |
044c7c41 | 592 | } else /* The option is for other outputs */ |
e4b36699 | 593 | limit = &intel_limits_i9xx_sdvo; |
044c7c41 ML |
594 | |
595 | return limit; | |
596 | } | |
597 | ||
a93e255f ACO |
598 | static const intel_limit_t * |
599 | intel_limit(struct intel_crtc_state *crtc_state, int refclk) | |
79e53945 | 600 | { |
a93e255f | 601 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 JB |
602 | const intel_limit_t *limit; |
603 | ||
5ab7b0b7 ID |
604 | if (IS_BROXTON(dev)) |
605 | limit = &intel_limits_bxt; | |
606 | else if (HAS_PCH_SPLIT(dev)) | |
a93e255f | 607 | limit = intel_ironlake_limit(crtc_state, refclk); |
2c07245f | 608 | else if (IS_G4X(dev)) { |
a93e255f | 609 | limit = intel_g4x_limit(crtc_state); |
f2b115e6 | 610 | } else if (IS_PINEVIEW(dev)) { |
a93e255f | 611 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
f2b115e6 | 612 | limit = &intel_limits_pineview_lvds; |
2177832f | 613 | else |
f2b115e6 | 614 | limit = &intel_limits_pineview_sdvo; |
ef9348c8 CML |
615 | } else if (IS_CHERRYVIEW(dev)) { |
616 | limit = &intel_limits_chv; | |
a0c4da24 | 617 | } else if (IS_VALLEYVIEW(dev)) { |
dc730512 | 618 | limit = &intel_limits_vlv; |
a6c45cf0 | 619 | } else if (!IS_GEN2(dev)) { |
a93e255f | 620 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
a6c45cf0 CW |
621 | limit = &intel_limits_i9xx_lvds; |
622 | else | |
623 | limit = &intel_limits_i9xx_sdvo; | |
79e53945 | 624 | } else { |
a93e255f | 625 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
e4b36699 | 626 | limit = &intel_limits_i8xx_lvds; |
a93e255f | 627 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
e4b36699 | 628 | limit = &intel_limits_i8xx_dvo; |
5d536e28 DV |
629 | else |
630 | limit = &intel_limits_i8xx_dac; | |
79e53945 JB |
631 | } |
632 | return limit; | |
633 | } | |
634 | ||
dccbea3b ID |
635 | /* |
636 | * Platform specific helpers to calculate the port PLL loopback- (clock.m), | |
637 | * and post-divider (clock.p) values, pre- (clock.vco) and post-divided fast | |
638 | * (clock.dot) clock rates. This fast dot clock is fed to the port's IO logic. | |
639 | * The helpers' return value is the rate of the clock that is fed to the | |
640 | * display engine's pipe which can be the above fast dot clock rate or a | |
641 | * divided-down version of it. | |
642 | */ | |
f2b115e6 | 643 | /* m1 is reserved as 0 in Pineview, n is a ring counter */ |
dccbea3b | 644 | static int pnv_calc_dpll_params(int refclk, intel_clock_t *clock) |
79e53945 | 645 | { |
2177832f SL |
646 | clock->m = clock->m2 + 2; |
647 | clock->p = clock->p1 * clock->p2; | |
ed5ca77e | 648 | if (WARN_ON(clock->n == 0 || clock->p == 0)) |
dccbea3b | 649 | return 0; |
fb03ac01 VS |
650 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
651 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
652 | |
653 | return clock->dot; | |
2177832f SL |
654 | } |
655 | ||
7429e9d4 DV |
656 | static uint32_t i9xx_dpll_compute_m(struct dpll *dpll) |
657 | { | |
658 | return 5 * (dpll->m1 + 2) + (dpll->m2 + 2); | |
659 | } | |
660 | ||
dccbea3b | 661 | static int i9xx_calc_dpll_params(int refclk, intel_clock_t *clock) |
2177832f | 662 | { |
7429e9d4 | 663 | clock->m = i9xx_dpll_compute_m(clock); |
79e53945 | 664 | clock->p = clock->p1 * clock->p2; |
ed5ca77e | 665 | if (WARN_ON(clock->n + 2 == 0 || clock->p == 0)) |
dccbea3b | 666 | return 0; |
fb03ac01 VS |
667 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n + 2); |
668 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
669 | |
670 | return clock->dot; | |
79e53945 JB |
671 | } |
672 | ||
dccbea3b | 673 | static int vlv_calc_dpll_params(int refclk, intel_clock_t *clock) |
589eca67 ID |
674 | { |
675 | clock->m = clock->m1 * clock->m2; | |
676 | clock->p = clock->p1 * clock->p2; | |
677 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
dccbea3b | 678 | return 0; |
589eca67 ID |
679 | clock->vco = DIV_ROUND_CLOSEST(refclk * clock->m, clock->n); |
680 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
681 | |
682 | return clock->dot / 5; | |
589eca67 ID |
683 | } |
684 | ||
dccbea3b | 685 | int chv_calc_dpll_params(int refclk, intel_clock_t *clock) |
ef9348c8 CML |
686 | { |
687 | clock->m = clock->m1 * clock->m2; | |
688 | clock->p = clock->p1 * clock->p2; | |
689 | if (WARN_ON(clock->n == 0 || clock->p == 0)) | |
dccbea3b | 690 | return 0; |
ef9348c8 CML |
691 | clock->vco = DIV_ROUND_CLOSEST_ULL((uint64_t)refclk * clock->m, |
692 | clock->n << 22); | |
693 | clock->dot = DIV_ROUND_CLOSEST(clock->vco, clock->p); | |
dccbea3b ID |
694 | |
695 | return clock->dot / 5; | |
ef9348c8 CML |
696 | } |
697 | ||
7c04d1d9 | 698 | #define INTELPllInvalid(s) do { /* DRM_DEBUG(s); */ return false; } while (0) |
79e53945 JB |
699 | /** |
700 | * Returns whether the given set of divisors are valid for a given refclk with | |
701 | * the given connectors. | |
702 | */ | |
703 | ||
1b894b59 CW |
704 | static bool intel_PLL_is_valid(struct drm_device *dev, |
705 | const intel_limit_t *limit, | |
706 | const intel_clock_t *clock) | |
79e53945 | 707 | { |
f01b7962 VS |
708 | if (clock->n < limit->n.min || limit->n.max < clock->n) |
709 | INTELPllInvalid("n out of range\n"); | |
79e53945 | 710 | if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1) |
0206e353 | 711 | INTELPllInvalid("p1 out of range\n"); |
79e53945 | 712 | if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2) |
0206e353 | 713 | INTELPllInvalid("m2 out of range\n"); |
79e53945 | 714 | if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1) |
0206e353 | 715 | INTELPllInvalid("m1 out of range\n"); |
f01b7962 | 716 | |
5ab7b0b7 | 717 | if (!IS_PINEVIEW(dev) && !IS_VALLEYVIEW(dev) && !IS_BROXTON(dev)) |
f01b7962 VS |
718 | if (clock->m1 <= clock->m2) |
719 | INTELPllInvalid("m1 <= m2\n"); | |
720 | ||
5ab7b0b7 | 721 | if (!IS_VALLEYVIEW(dev) && !IS_BROXTON(dev)) { |
f01b7962 VS |
722 | if (clock->p < limit->p.min || limit->p.max < clock->p) |
723 | INTELPllInvalid("p out of range\n"); | |
724 | if (clock->m < limit->m.min || limit->m.max < clock->m) | |
725 | INTELPllInvalid("m out of range\n"); | |
726 | } | |
727 | ||
79e53945 | 728 | if (clock->vco < limit->vco.min || limit->vco.max < clock->vco) |
0206e353 | 729 | INTELPllInvalid("vco out of range\n"); |
79e53945 JB |
730 | /* XXX: We may need to be checking "Dot clock" depending on the multiplier, |
731 | * connector, etc., rather than just a single range. | |
732 | */ | |
733 | if (clock->dot < limit->dot.min || limit->dot.max < clock->dot) | |
0206e353 | 734 | INTELPllInvalid("dot out of range\n"); |
79e53945 JB |
735 | |
736 | return true; | |
737 | } | |
738 | ||
3b1429d9 VS |
739 | static int |
740 | i9xx_select_p2_div(const intel_limit_t *limit, | |
741 | const struct intel_crtc_state *crtc_state, | |
742 | int target) | |
79e53945 | 743 | { |
3b1429d9 | 744 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 | 745 | |
a93e255f | 746 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
79e53945 | 747 | /* |
a210b028 DV |
748 | * For LVDS just rely on its current settings for dual-channel. |
749 | * We haven't figured out how to reliably set up different | |
750 | * single/dual channel state, if we even can. | |
79e53945 | 751 | */ |
1974cad0 | 752 | if (intel_is_dual_link_lvds(dev)) |
3b1429d9 | 753 | return limit->p2.p2_fast; |
79e53945 | 754 | else |
3b1429d9 | 755 | return limit->p2.p2_slow; |
79e53945 JB |
756 | } else { |
757 | if (target < limit->p2.dot_limit) | |
3b1429d9 | 758 | return limit->p2.p2_slow; |
79e53945 | 759 | else |
3b1429d9 | 760 | return limit->p2.p2_fast; |
79e53945 | 761 | } |
3b1429d9 VS |
762 | } |
763 | ||
764 | static bool | |
765 | i9xx_find_best_dpll(const intel_limit_t *limit, | |
766 | struct intel_crtc_state *crtc_state, | |
767 | int target, int refclk, intel_clock_t *match_clock, | |
768 | intel_clock_t *best_clock) | |
769 | { | |
770 | struct drm_device *dev = crtc_state->base.crtc->dev; | |
771 | intel_clock_t clock; | |
772 | int err = target; | |
79e53945 | 773 | |
0206e353 | 774 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 775 | |
3b1429d9 VS |
776 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); |
777 | ||
42158660 ZY |
778 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
779 | clock.m1++) { | |
780 | for (clock.m2 = limit->m2.min; | |
781 | clock.m2 <= limit->m2.max; clock.m2++) { | |
c0efc387 | 782 | if (clock.m2 >= clock.m1) |
42158660 ZY |
783 | break; |
784 | for (clock.n = limit->n.min; | |
785 | clock.n <= limit->n.max; clock.n++) { | |
786 | for (clock.p1 = limit->p1.min; | |
787 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
788 | int this_err; |
789 | ||
dccbea3b | 790 | i9xx_calc_dpll_params(refclk, &clock); |
ac58c3f0 DV |
791 | if (!intel_PLL_is_valid(dev, limit, |
792 | &clock)) | |
793 | continue; | |
794 | if (match_clock && | |
795 | clock.p != match_clock->p) | |
796 | continue; | |
797 | ||
798 | this_err = abs(clock.dot - target); | |
799 | if (this_err < err) { | |
800 | *best_clock = clock; | |
801 | err = this_err; | |
802 | } | |
803 | } | |
804 | } | |
805 | } | |
806 | } | |
807 | ||
808 | return (err != target); | |
809 | } | |
810 | ||
811 | static bool | |
a93e255f ACO |
812 | pnv_find_best_dpll(const intel_limit_t *limit, |
813 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
814 | int target, int refclk, intel_clock_t *match_clock, |
815 | intel_clock_t *best_clock) | |
79e53945 | 816 | { |
3b1429d9 | 817 | struct drm_device *dev = crtc_state->base.crtc->dev; |
79e53945 | 818 | intel_clock_t clock; |
79e53945 JB |
819 | int err = target; |
820 | ||
0206e353 | 821 | memset(best_clock, 0, sizeof(*best_clock)); |
79e53945 | 822 | |
3b1429d9 VS |
823 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); |
824 | ||
42158660 ZY |
825 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; |
826 | clock.m1++) { | |
827 | for (clock.m2 = limit->m2.min; | |
828 | clock.m2 <= limit->m2.max; clock.m2++) { | |
42158660 ZY |
829 | for (clock.n = limit->n.min; |
830 | clock.n <= limit->n.max; clock.n++) { | |
831 | for (clock.p1 = limit->p1.min; | |
832 | clock.p1 <= limit->p1.max; clock.p1++) { | |
79e53945 JB |
833 | int this_err; |
834 | ||
dccbea3b | 835 | pnv_calc_dpll_params(refclk, &clock); |
1b894b59 CW |
836 | if (!intel_PLL_is_valid(dev, limit, |
837 | &clock)) | |
79e53945 | 838 | continue; |
cec2f356 SP |
839 | if (match_clock && |
840 | clock.p != match_clock->p) | |
841 | continue; | |
79e53945 JB |
842 | |
843 | this_err = abs(clock.dot - target); | |
844 | if (this_err < err) { | |
845 | *best_clock = clock; | |
846 | err = this_err; | |
847 | } | |
848 | } | |
849 | } | |
850 | } | |
851 | } | |
852 | ||
853 | return (err != target); | |
854 | } | |
855 | ||
d4906093 | 856 | static bool |
a93e255f ACO |
857 | g4x_find_best_dpll(const intel_limit_t *limit, |
858 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
859 | int target, int refclk, intel_clock_t *match_clock, |
860 | intel_clock_t *best_clock) | |
d4906093 | 861 | { |
3b1429d9 | 862 | struct drm_device *dev = crtc_state->base.crtc->dev; |
d4906093 ML |
863 | intel_clock_t clock; |
864 | int max_n; | |
3b1429d9 | 865 | bool found = false; |
6ba770dc AJ |
866 | /* approximately equals target * 0.00585 */ |
867 | int err_most = (target >> 8) + (target >> 9); | |
d4906093 ML |
868 | |
869 | memset(best_clock, 0, sizeof(*best_clock)); | |
3b1429d9 VS |
870 | |
871 | clock.p2 = i9xx_select_p2_div(limit, crtc_state, target); | |
872 | ||
d4906093 | 873 | max_n = limit->n.max; |
f77f13e2 | 874 | /* based on hardware requirement, prefer smaller n to precision */ |
d4906093 | 875 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
f77f13e2 | 876 | /* based on hardware requirement, prefere larger m1,m2 */ |
d4906093 ML |
877 | for (clock.m1 = limit->m1.max; |
878 | clock.m1 >= limit->m1.min; clock.m1--) { | |
879 | for (clock.m2 = limit->m2.max; | |
880 | clock.m2 >= limit->m2.min; clock.m2--) { | |
881 | for (clock.p1 = limit->p1.max; | |
882 | clock.p1 >= limit->p1.min; clock.p1--) { | |
883 | int this_err; | |
884 | ||
dccbea3b | 885 | i9xx_calc_dpll_params(refclk, &clock); |
1b894b59 CW |
886 | if (!intel_PLL_is_valid(dev, limit, |
887 | &clock)) | |
d4906093 | 888 | continue; |
1b894b59 CW |
889 | |
890 | this_err = abs(clock.dot - target); | |
d4906093 ML |
891 | if (this_err < err_most) { |
892 | *best_clock = clock; | |
893 | err_most = this_err; | |
894 | max_n = clock.n; | |
895 | found = true; | |
896 | } | |
897 | } | |
898 | } | |
899 | } | |
900 | } | |
2c07245f ZW |
901 | return found; |
902 | } | |
903 | ||
d5dd62bd ID |
904 | /* |
905 | * Check if the calculated PLL configuration is more optimal compared to the | |
906 | * best configuration and error found so far. Return the calculated error. | |
907 | */ | |
908 | static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq, | |
909 | const intel_clock_t *calculated_clock, | |
910 | const intel_clock_t *best_clock, | |
911 | unsigned int best_error_ppm, | |
912 | unsigned int *error_ppm) | |
913 | { | |
9ca3ba01 ID |
914 | /* |
915 | * For CHV ignore the error and consider only the P value. | |
916 | * Prefer a bigger P value based on HW requirements. | |
917 | */ | |
918 | if (IS_CHERRYVIEW(dev)) { | |
919 | *error_ppm = 0; | |
920 | ||
921 | return calculated_clock->p > best_clock->p; | |
922 | } | |
923 | ||
24be4e46 ID |
924 | if (WARN_ON_ONCE(!target_freq)) |
925 | return false; | |
926 | ||
d5dd62bd ID |
927 | *error_ppm = div_u64(1000000ULL * |
928 | abs(target_freq - calculated_clock->dot), | |
929 | target_freq); | |
930 | /* | |
931 | * Prefer a better P value over a better (smaller) error if the error | |
932 | * is small. Ensure this preference for future configurations too by | |
933 | * setting the error to 0. | |
934 | */ | |
935 | if (*error_ppm < 100 && calculated_clock->p > best_clock->p) { | |
936 | *error_ppm = 0; | |
937 | ||
938 | return true; | |
939 | } | |
940 | ||
941 | return *error_ppm + 10 < best_error_ppm; | |
942 | } | |
943 | ||
a0c4da24 | 944 | static bool |
a93e255f ACO |
945 | vlv_find_best_dpll(const intel_limit_t *limit, |
946 | struct intel_crtc_state *crtc_state, | |
ee9300bb DV |
947 | int target, int refclk, intel_clock_t *match_clock, |
948 | intel_clock_t *best_clock) | |
a0c4da24 | 949 | { |
a93e255f | 950 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 951 | struct drm_device *dev = crtc->base.dev; |
6b4bf1c4 | 952 | intel_clock_t clock; |
69e4f900 | 953 | unsigned int bestppm = 1000000; |
27e639bf VS |
954 | /* min update 19.2 MHz */ |
955 | int max_n = min(limit->n.max, refclk / 19200); | |
49e497ef | 956 | bool found = false; |
a0c4da24 | 957 | |
6b4bf1c4 VS |
958 | target *= 5; /* fast clock */ |
959 | ||
960 | memset(best_clock, 0, sizeof(*best_clock)); | |
a0c4da24 JB |
961 | |
962 | /* based on hardware requirement, prefer smaller n to precision */ | |
27e639bf | 963 | for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) { |
811bbf05 | 964 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { |
889059d8 | 965 | for (clock.p2 = limit->p2.p2_fast; clock.p2 >= limit->p2.p2_slow; |
c1a9ae43 | 966 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { |
6b4bf1c4 | 967 | clock.p = clock.p1 * clock.p2; |
a0c4da24 | 968 | /* based on hardware requirement, prefer bigger m1,m2 values */ |
6b4bf1c4 | 969 | for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) { |
d5dd62bd | 970 | unsigned int ppm; |
69e4f900 | 971 | |
6b4bf1c4 VS |
972 | clock.m2 = DIV_ROUND_CLOSEST(target * clock.p * clock.n, |
973 | refclk * clock.m1); | |
974 | ||
dccbea3b | 975 | vlv_calc_dpll_params(refclk, &clock); |
43b0ac53 | 976 | |
f01b7962 VS |
977 | if (!intel_PLL_is_valid(dev, limit, |
978 | &clock)) | |
43b0ac53 VS |
979 | continue; |
980 | ||
d5dd62bd ID |
981 | if (!vlv_PLL_is_optimal(dev, target, |
982 | &clock, | |
983 | best_clock, | |
984 | bestppm, &ppm)) | |
985 | continue; | |
6b4bf1c4 | 986 | |
d5dd62bd ID |
987 | *best_clock = clock; |
988 | bestppm = ppm; | |
989 | found = true; | |
a0c4da24 JB |
990 | } |
991 | } | |
992 | } | |
993 | } | |
a0c4da24 | 994 | |
49e497ef | 995 | return found; |
a0c4da24 | 996 | } |
a4fc5ed6 | 997 | |
ef9348c8 | 998 | static bool |
a93e255f ACO |
999 | chv_find_best_dpll(const intel_limit_t *limit, |
1000 | struct intel_crtc_state *crtc_state, | |
ef9348c8 CML |
1001 | int target, int refclk, intel_clock_t *match_clock, |
1002 | intel_clock_t *best_clock) | |
1003 | { | |
a93e255f | 1004 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
a919ff14 | 1005 | struct drm_device *dev = crtc->base.dev; |
9ca3ba01 | 1006 | unsigned int best_error_ppm; |
ef9348c8 CML |
1007 | intel_clock_t clock; |
1008 | uint64_t m2; | |
1009 | int found = false; | |
1010 | ||
1011 | memset(best_clock, 0, sizeof(*best_clock)); | |
9ca3ba01 | 1012 | best_error_ppm = 1000000; |
ef9348c8 CML |
1013 | |
1014 | /* | |
1015 | * Based on hardware doc, the n always set to 1, and m1 always | |
1016 | * set to 2. If requires to support 200Mhz refclk, we need to | |
1017 | * revisit this because n may not 1 anymore. | |
1018 | */ | |
1019 | clock.n = 1, clock.m1 = 2; | |
1020 | target *= 5; /* fast clock */ | |
1021 | ||
1022 | for (clock.p1 = limit->p1.max; clock.p1 >= limit->p1.min; clock.p1--) { | |
1023 | for (clock.p2 = limit->p2.p2_fast; | |
1024 | clock.p2 >= limit->p2.p2_slow; | |
1025 | clock.p2 -= clock.p2 > 10 ? 2 : 1) { | |
9ca3ba01 | 1026 | unsigned int error_ppm; |
ef9348c8 CML |
1027 | |
1028 | clock.p = clock.p1 * clock.p2; | |
1029 | ||
1030 | m2 = DIV_ROUND_CLOSEST_ULL(((uint64_t)target * clock.p * | |
1031 | clock.n) << 22, refclk * clock.m1); | |
1032 | ||
1033 | if (m2 > INT_MAX/clock.m1) | |
1034 | continue; | |
1035 | ||
1036 | clock.m2 = m2; | |
1037 | ||
dccbea3b | 1038 | chv_calc_dpll_params(refclk, &clock); |
ef9348c8 CML |
1039 | |
1040 | if (!intel_PLL_is_valid(dev, limit, &clock)) | |
1041 | continue; | |
1042 | ||
9ca3ba01 ID |
1043 | if (!vlv_PLL_is_optimal(dev, target, &clock, best_clock, |
1044 | best_error_ppm, &error_ppm)) | |
1045 | continue; | |
1046 | ||
1047 | *best_clock = clock; | |
1048 | best_error_ppm = error_ppm; | |
1049 | found = true; | |
ef9348c8 CML |
1050 | } |
1051 | } | |
1052 | ||
1053 | return found; | |
1054 | } | |
1055 | ||
5ab7b0b7 ID |
1056 | bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock, |
1057 | intel_clock_t *best_clock) | |
1058 | { | |
1059 | int refclk = i9xx_get_refclk(crtc_state, 0); | |
1060 | ||
1061 | return chv_find_best_dpll(intel_limit(crtc_state, refclk), crtc_state, | |
1062 | target_clock, refclk, NULL, best_clock); | |
1063 | } | |
1064 | ||
20ddf665 VS |
1065 | bool intel_crtc_active(struct drm_crtc *crtc) |
1066 | { | |
1067 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1068 | ||
1069 | /* Be paranoid as we can arrive here with only partial | |
1070 | * state retrieved from the hardware during setup. | |
1071 | * | |
241bfc38 | 1072 | * We can ditch the adjusted_mode.crtc_clock check as soon |
20ddf665 VS |
1073 | * as Haswell has gained clock readout/fastboot support. |
1074 | * | |
66e514c1 | 1075 | * We can ditch the crtc->primary->fb check as soon as we can |
20ddf665 | 1076 | * properly reconstruct framebuffers. |
c3d1f436 MR |
1077 | * |
1078 | * FIXME: The intel_crtc->active here should be switched to | |
1079 | * crtc->state->active once we have proper CRTC states wired up | |
1080 | * for atomic. | |
20ddf665 | 1081 | */ |
c3d1f436 | 1082 | return intel_crtc->active && crtc->primary->state->fb && |
6e3c9717 | 1083 | intel_crtc->config->base.adjusted_mode.crtc_clock; |
20ddf665 VS |
1084 | } |
1085 | ||
a5c961d1 PZ |
1086 | enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, |
1087 | enum pipe pipe) | |
1088 | { | |
1089 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
1090 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
1091 | ||
6e3c9717 | 1092 | return intel_crtc->config->cpu_transcoder; |
a5c961d1 PZ |
1093 | } |
1094 | ||
fbf49ea2 VS |
1095 | static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe) |
1096 | { | |
1097 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1098 | u32 reg = PIPEDSL(pipe); | |
1099 | u32 line1, line2; | |
1100 | u32 line_mask; | |
1101 | ||
1102 | if (IS_GEN2(dev)) | |
1103 | line_mask = DSL_LINEMASK_GEN2; | |
1104 | else | |
1105 | line_mask = DSL_LINEMASK_GEN3; | |
1106 | ||
1107 | line1 = I915_READ(reg) & line_mask; | |
6adfb1ef | 1108 | msleep(5); |
fbf49ea2 VS |
1109 | line2 = I915_READ(reg) & line_mask; |
1110 | ||
1111 | return line1 == line2; | |
1112 | } | |
1113 | ||
ab7ad7f6 KP |
1114 | /* |
1115 | * intel_wait_for_pipe_off - wait for pipe to turn off | |
575f7ab7 | 1116 | * @crtc: crtc whose pipe to wait for |
9d0498a2 JB |
1117 | * |
1118 | * After disabling a pipe, we can't wait for vblank in the usual way, | |
1119 | * spinning on the vblank interrupt status bit, since we won't actually | |
1120 | * see an interrupt when the pipe is disabled. | |
1121 | * | |
ab7ad7f6 KP |
1122 | * On Gen4 and above: |
1123 | * wait for the pipe register state bit to turn off | |
1124 | * | |
1125 | * Otherwise: | |
1126 | * wait for the display line value to settle (it usually | |
1127 | * ends up stopping at the start of the next frame). | |
58e10eb9 | 1128 | * |
9d0498a2 | 1129 | */ |
575f7ab7 | 1130 | static void intel_wait_for_pipe_off(struct intel_crtc *crtc) |
9d0498a2 | 1131 | { |
575f7ab7 | 1132 | struct drm_device *dev = crtc->base.dev; |
9d0498a2 | 1133 | struct drm_i915_private *dev_priv = dev->dev_private; |
6e3c9717 | 1134 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 1135 | enum pipe pipe = crtc->pipe; |
ab7ad7f6 KP |
1136 | |
1137 | if (INTEL_INFO(dev)->gen >= 4) { | |
702e7a56 | 1138 | int reg = PIPECONF(cpu_transcoder); |
ab7ad7f6 KP |
1139 | |
1140 | /* Wait for the Pipe State to go off */ | |
58e10eb9 CW |
1141 | if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0, |
1142 | 100)) | |
284637d9 | 1143 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1144 | } else { |
ab7ad7f6 | 1145 | /* Wait for the display line to settle */ |
fbf49ea2 | 1146 | if (wait_for(pipe_dsl_stopped(dev, pipe), 100)) |
284637d9 | 1147 | WARN(1, "pipe_off wait timed out\n"); |
ab7ad7f6 | 1148 | } |
79e53945 JB |
1149 | } |
1150 | ||
b24e7179 JB |
1151 | static const char *state_string(bool enabled) |
1152 | { | |
1153 | return enabled ? "on" : "off"; | |
1154 | } | |
1155 | ||
1156 | /* Only for pre-ILK configs */ | |
55607e8a DV |
1157 | void assert_pll(struct drm_i915_private *dev_priv, |
1158 | enum pipe pipe, bool state) | |
b24e7179 | 1159 | { |
b24e7179 JB |
1160 | u32 val; |
1161 | bool cur_state; | |
1162 | ||
649636ef | 1163 | val = I915_READ(DPLL(pipe)); |
b24e7179 | 1164 | cur_state = !!(val & DPLL_VCO_ENABLE); |
e2c719b7 | 1165 | I915_STATE_WARN(cur_state != state, |
b24e7179 JB |
1166 | "PLL state assertion failure (expected %s, current %s)\n", |
1167 | state_string(state), state_string(cur_state)); | |
1168 | } | |
b24e7179 | 1169 | |
23538ef1 JN |
1170 | /* XXX: the dsi pll is shared between MIPI DSI ports */ |
1171 | static void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state) | |
1172 | { | |
1173 | u32 val; | |
1174 | bool cur_state; | |
1175 | ||
a580516d | 1176 | mutex_lock(&dev_priv->sb_lock); |
23538ef1 | 1177 | val = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL); |
a580516d | 1178 | mutex_unlock(&dev_priv->sb_lock); |
23538ef1 JN |
1179 | |
1180 | cur_state = val & DSI_PLL_VCO_EN; | |
e2c719b7 | 1181 | I915_STATE_WARN(cur_state != state, |
23538ef1 JN |
1182 | "DSI PLL state assertion failure (expected %s, current %s)\n", |
1183 | state_string(state), state_string(cur_state)); | |
1184 | } | |
1185 | #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) | |
1186 | #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) | |
1187 | ||
55607e8a | 1188 | struct intel_shared_dpll * |
e2b78267 DV |
1189 | intel_crtc_to_shared_dpll(struct intel_crtc *crtc) |
1190 | { | |
1191 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; | |
1192 | ||
6e3c9717 | 1193 | if (crtc->config->shared_dpll < 0) |
e2b78267 DV |
1194 | return NULL; |
1195 | ||
6e3c9717 | 1196 | return &dev_priv->shared_dplls[crtc->config->shared_dpll]; |
e2b78267 DV |
1197 | } |
1198 | ||
040484af | 1199 | /* For ILK+ */ |
55607e8a DV |
1200 | void assert_shared_dpll(struct drm_i915_private *dev_priv, |
1201 | struct intel_shared_dpll *pll, | |
1202 | bool state) | |
040484af | 1203 | { |
040484af | 1204 | bool cur_state; |
5358901f | 1205 | struct intel_dpll_hw_state hw_state; |
040484af | 1206 | |
92b27b08 | 1207 | if (WARN (!pll, |
46edb027 | 1208 | "asserting DPLL %s with no DPLL\n", state_string(state))) |
ee7b9f93 | 1209 | return; |
ee7b9f93 | 1210 | |
5358901f | 1211 | cur_state = pll->get_hw_state(dev_priv, pll, &hw_state); |
e2c719b7 | 1212 | I915_STATE_WARN(cur_state != state, |
5358901f DV |
1213 | "%s assertion failure (expected %s, current %s)\n", |
1214 | pll->name, state_string(state), state_string(cur_state)); | |
040484af | 1215 | } |
040484af JB |
1216 | |
1217 | static void assert_fdi_tx(struct drm_i915_private *dev_priv, | |
1218 | enum pipe pipe, bool state) | |
1219 | { | |
040484af | 1220 | bool cur_state; |
ad80a810 PZ |
1221 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1222 | pipe); | |
040484af | 1223 | |
affa9354 PZ |
1224 | if (HAS_DDI(dev_priv->dev)) { |
1225 | /* DDI does not have a specific FDI_TX register */ | |
649636ef | 1226 | u32 val = I915_READ(TRANS_DDI_FUNC_CTL(cpu_transcoder)); |
ad80a810 | 1227 | cur_state = !!(val & TRANS_DDI_FUNC_ENABLE); |
bf507ef7 | 1228 | } else { |
649636ef | 1229 | u32 val = I915_READ(FDI_TX_CTL(pipe)); |
bf507ef7 ED |
1230 | cur_state = !!(val & FDI_TX_ENABLE); |
1231 | } | |
e2c719b7 | 1232 | I915_STATE_WARN(cur_state != state, |
040484af JB |
1233 | "FDI TX state assertion failure (expected %s, current %s)\n", |
1234 | state_string(state), state_string(cur_state)); | |
1235 | } | |
1236 | #define assert_fdi_tx_enabled(d, p) assert_fdi_tx(d, p, true) | |
1237 | #define assert_fdi_tx_disabled(d, p) assert_fdi_tx(d, p, false) | |
1238 | ||
1239 | static void assert_fdi_rx(struct drm_i915_private *dev_priv, | |
1240 | enum pipe pipe, bool state) | |
1241 | { | |
040484af JB |
1242 | u32 val; |
1243 | bool cur_state; | |
1244 | ||
649636ef | 1245 | val = I915_READ(FDI_RX_CTL(pipe)); |
d63fa0dc | 1246 | cur_state = !!(val & FDI_RX_ENABLE); |
e2c719b7 | 1247 | I915_STATE_WARN(cur_state != state, |
040484af JB |
1248 | "FDI RX state assertion failure (expected %s, current %s)\n", |
1249 | state_string(state), state_string(cur_state)); | |
1250 | } | |
1251 | #define assert_fdi_rx_enabled(d, p) assert_fdi_rx(d, p, true) | |
1252 | #define assert_fdi_rx_disabled(d, p) assert_fdi_rx(d, p, false) | |
1253 | ||
1254 | static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv, | |
1255 | enum pipe pipe) | |
1256 | { | |
040484af JB |
1257 | u32 val; |
1258 | ||
1259 | /* ILK FDI PLL is always enabled */ | |
3d13ef2e | 1260 | if (INTEL_INFO(dev_priv->dev)->gen == 5) |
040484af JB |
1261 | return; |
1262 | ||
bf507ef7 | 1263 | /* On Haswell, DDI ports are responsible for the FDI PLL setup */ |
affa9354 | 1264 | if (HAS_DDI(dev_priv->dev)) |
bf507ef7 ED |
1265 | return; |
1266 | ||
649636ef | 1267 | val = I915_READ(FDI_TX_CTL(pipe)); |
e2c719b7 | 1268 | I915_STATE_WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n"); |
040484af JB |
1269 | } |
1270 | ||
55607e8a DV |
1271 | void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, |
1272 | enum pipe pipe, bool state) | |
040484af | 1273 | { |
040484af | 1274 | u32 val; |
55607e8a | 1275 | bool cur_state; |
040484af | 1276 | |
649636ef | 1277 | val = I915_READ(FDI_RX_CTL(pipe)); |
55607e8a | 1278 | cur_state = !!(val & FDI_RX_PLL_ENABLE); |
e2c719b7 | 1279 | I915_STATE_WARN(cur_state != state, |
55607e8a DV |
1280 | "FDI RX PLL assertion failure (expected %s, current %s)\n", |
1281 | state_string(state), state_string(cur_state)); | |
040484af JB |
1282 | } |
1283 | ||
b680c37a DV |
1284 | void assert_panel_unlocked(struct drm_i915_private *dev_priv, |
1285 | enum pipe pipe) | |
ea0760cf | 1286 | { |
bedd4dba JN |
1287 | struct drm_device *dev = dev_priv->dev; |
1288 | int pp_reg; | |
ea0760cf JB |
1289 | u32 val; |
1290 | enum pipe panel_pipe = PIPE_A; | |
0de3b485 | 1291 | bool locked = true; |
ea0760cf | 1292 | |
bedd4dba JN |
1293 | if (WARN_ON(HAS_DDI(dev))) |
1294 | return; | |
1295 | ||
1296 | if (HAS_PCH_SPLIT(dev)) { | |
1297 | u32 port_sel; | |
1298 | ||
ea0760cf | 1299 | pp_reg = PCH_PP_CONTROL; |
bedd4dba JN |
1300 | port_sel = I915_READ(PCH_PP_ON_DELAYS) & PANEL_PORT_SELECT_MASK; |
1301 | ||
1302 | if (port_sel == PANEL_PORT_SELECT_LVDS && | |
1303 | I915_READ(PCH_LVDS) & LVDS_PIPEB_SELECT) | |
1304 | panel_pipe = PIPE_B; | |
1305 | /* XXX: else fix for eDP */ | |
1306 | } else if (IS_VALLEYVIEW(dev)) { | |
1307 | /* presumably write lock depends on pipe, not port select */ | |
1308 | pp_reg = VLV_PIPE_PP_CONTROL(pipe); | |
1309 | panel_pipe = pipe; | |
ea0760cf JB |
1310 | } else { |
1311 | pp_reg = PP_CONTROL; | |
bedd4dba JN |
1312 | if (I915_READ(LVDS) & LVDS_PIPEB_SELECT) |
1313 | panel_pipe = PIPE_B; | |
ea0760cf JB |
1314 | } |
1315 | ||
1316 | val = I915_READ(pp_reg); | |
1317 | if (!(val & PANEL_POWER_ON) || | |
ec49ba2d | 1318 | ((val & PANEL_UNLOCK_MASK) == PANEL_UNLOCK_REGS)) |
ea0760cf JB |
1319 | locked = false; |
1320 | ||
e2c719b7 | 1321 | I915_STATE_WARN(panel_pipe == pipe && locked, |
ea0760cf | 1322 | "panel assertion failure, pipe %c regs locked\n", |
9db4a9c7 | 1323 | pipe_name(pipe)); |
ea0760cf JB |
1324 | } |
1325 | ||
93ce0ba6 JN |
1326 | static void assert_cursor(struct drm_i915_private *dev_priv, |
1327 | enum pipe pipe, bool state) | |
1328 | { | |
1329 | struct drm_device *dev = dev_priv->dev; | |
1330 | bool cur_state; | |
1331 | ||
d9d82081 | 1332 | if (IS_845G(dev) || IS_I865G(dev)) |
0b87c24e | 1333 | cur_state = I915_READ(CURCNTR(PIPE_A)) & CURSOR_ENABLE; |
d9d82081 | 1334 | else |
5efb3e28 | 1335 | cur_state = I915_READ(CURCNTR(pipe)) & CURSOR_MODE; |
93ce0ba6 | 1336 | |
e2c719b7 | 1337 | I915_STATE_WARN(cur_state != state, |
93ce0ba6 JN |
1338 | "cursor on pipe %c assertion failure (expected %s, current %s)\n", |
1339 | pipe_name(pipe), state_string(state), state_string(cur_state)); | |
1340 | } | |
1341 | #define assert_cursor_enabled(d, p) assert_cursor(d, p, true) | |
1342 | #define assert_cursor_disabled(d, p) assert_cursor(d, p, false) | |
1343 | ||
b840d907 JB |
1344 | void assert_pipe(struct drm_i915_private *dev_priv, |
1345 | enum pipe pipe, bool state) | |
b24e7179 | 1346 | { |
63d7bbe9 | 1347 | bool cur_state; |
702e7a56 PZ |
1348 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
1349 | pipe); | |
b24e7179 | 1350 | |
b6b5d049 VS |
1351 | /* if we need the pipe quirk it must be always on */ |
1352 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1353 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
8e636784 DV |
1354 | state = true; |
1355 | ||
f458ebbc | 1356 | if (!intel_display_power_is_enabled(dev_priv, |
b97186f0 | 1357 | POWER_DOMAIN_TRANSCODER(cpu_transcoder))) { |
69310161 PZ |
1358 | cur_state = false; |
1359 | } else { | |
649636ef | 1360 | u32 val = I915_READ(PIPECONF(cpu_transcoder)); |
69310161 PZ |
1361 | cur_state = !!(val & PIPECONF_ENABLE); |
1362 | } | |
1363 | ||
e2c719b7 | 1364 | I915_STATE_WARN(cur_state != state, |
63d7bbe9 | 1365 | "pipe %c assertion failure (expected %s, current %s)\n", |
9db4a9c7 | 1366 | pipe_name(pipe), state_string(state), state_string(cur_state)); |
b24e7179 JB |
1367 | } |
1368 | ||
931872fc CW |
1369 | static void assert_plane(struct drm_i915_private *dev_priv, |
1370 | enum plane plane, bool state) | |
b24e7179 | 1371 | { |
b24e7179 | 1372 | u32 val; |
931872fc | 1373 | bool cur_state; |
b24e7179 | 1374 | |
649636ef | 1375 | val = I915_READ(DSPCNTR(plane)); |
931872fc | 1376 | cur_state = !!(val & DISPLAY_PLANE_ENABLE); |
e2c719b7 | 1377 | I915_STATE_WARN(cur_state != state, |
931872fc CW |
1378 | "plane %c assertion failure (expected %s, current %s)\n", |
1379 | plane_name(plane), state_string(state), state_string(cur_state)); | |
b24e7179 JB |
1380 | } |
1381 | ||
931872fc CW |
1382 | #define assert_plane_enabled(d, p) assert_plane(d, p, true) |
1383 | #define assert_plane_disabled(d, p) assert_plane(d, p, false) | |
1384 | ||
b24e7179 JB |
1385 | static void assert_planes_disabled(struct drm_i915_private *dev_priv, |
1386 | enum pipe pipe) | |
1387 | { | |
653e1026 | 1388 | struct drm_device *dev = dev_priv->dev; |
649636ef | 1389 | int i; |
b24e7179 | 1390 | |
653e1026 VS |
1391 | /* Primary planes are fixed to pipes on gen4+ */ |
1392 | if (INTEL_INFO(dev)->gen >= 4) { | |
649636ef | 1393 | u32 val = I915_READ(DSPCNTR(pipe)); |
e2c719b7 | 1394 | I915_STATE_WARN(val & DISPLAY_PLANE_ENABLE, |
28c05794 AJ |
1395 | "plane %c assertion failure, should be disabled but not\n", |
1396 | plane_name(pipe)); | |
19ec1358 | 1397 | return; |
28c05794 | 1398 | } |
19ec1358 | 1399 | |
b24e7179 | 1400 | /* Need to check both planes against the pipe */ |
055e393f | 1401 | for_each_pipe(dev_priv, i) { |
649636ef VS |
1402 | u32 val = I915_READ(DSPCNTR(i)); |
1403 | enum pipe cur_pipe = (val & DISPPLANE_SEL_PIPE_MASK) >> | |
b24e7179 | 1404 | DISPPLANE_SEL_PIPE_SHIFT; |
e2c719b7 | 1405 | I915_STATE_WARN((val & DISPLAY_PLANE_ENABLE) && pipe == cur_pipe, |
9db4a9c7 JB |
1406 | "plane %c assertion failure, should be off on pipe %c but is still active\n", |
1407 | plane_name(i), pipe_name(pipe)); | |
b24e7179 JB |
1408 | } |
1409 | } | |
1410 | ||
19332d7a JB |
1411 | static void assert_sprites_disabled(struct drm_i915_private *dev_priv, |
1412 | enum pipe pipe) | |
1413 | { | |
20674eef | 1414 | struct drm_device *dev = dev_priv->dev; |
649636ef | 1415 | int sprite; |
19332d7a | 1416 | |
7feb8b88 | 1417 | if (INTEL_INFO(dev)->gen >= 9) { |
3bdcfc0c | 1418 | for_each_sprite(dev_priv, pipe, sprite) { |
649636ef | 1419 | u32 val = I915_READ(PLANE_CTL(pipe, sprite)); |
e2c719b7 | 1420 | I915_STATE_WARN(val & PLANE_CTL_ENABLE, |
7feb8b88 DL |
1421 | "plane %d assertion failure, should be off on pipe %c but is still active\n", |
1422 | sprite, pipe_name(pipe)); | |
1423 | } | |
1424 | } else if (IS_VALLEYVIEW(dev)) { | |
3bdcfc0c | 1425 | for_each_sprite(dev_priv, pipe, sprite) { |
649636ef | 1426 | u32 val = I915_READ(SPCNTR(pipe, sprite)); |
e2c719b7 | 1427 | I915_STATE_WARN(val & SP_ENABLE, |
20674eef | 1428 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
1fe47785 | 1429 | sprite_name(pipe, sprite), pipe_name(pipe)); |
20674eef VS |
1430 | } |
1431 | } else if (INTEL_INFO(dev)->gen >= 7) { | |
649636ef | 1432 | u32 val = I915_READ(SPRCTL(pipe)); |
e2c719b7 | 1433 | I915_STATE_WARN(val & SPRITE_ENABLE, |
06da8da2 | 1434 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef VS |
1435 | plane_name(pipe), pipe_name(pipe)); |
1436 | } else if (INTEL_INFO(dev)->gen >= 5) { | |
649636ef | 1437 | u32 val = I915_READ(DVSCNTR(pipe)); |
e2c719b7 | 1438 | I915_STATE_WARN(val & DVS_ENABLE, |
06da8da2 | 1439 | "sprite %c assertion failure, should be off on pipe %c but is still active\n", |
20674eef | 1440 | plane_name(pipe), pipe_name(pipe)); |
19332d7a JB |
1441 | } |
1442 | } | |
1443 | ||
08c71e5e VS |
1444 | static void assert_vblank_disabled(struct drm_crtc *crtc) |
1445 | { | |
e2c719b7 | 1446 | if (I915_STATE_WARN_ON(drm_crtc_vblank_get(crtc) == 0)) |
08c71e5e VS |
1447 | drm_crtc_vblank_put(crtc); |
1448 | } | |
1449 | ||
89eff4be | 1450 | static void ibx_assert_pch_refclk_enabled(struct drm_i915_private *dev_priv) |
92f2584a JB |
1451 | { |
1452 | u32 val; | |
1453 | bool enabled; | |
1454 | ||
e2c719b7 | 1455 | I915_STATE_WARN_ON(!(HAS_PCH_IBX(dev_priv->dev) || HAS_PCH_CPT(dev_priv->dev))); |
9d82aa17 | 1456 | |
92f2584a JB |
1457 | val = I915_READ(PCH_DREF_CONTROL); |
1458 | enabled = !!(val & (DREF_SSC_SOURCE_MASK | DREF_NONSPREAD_SOURCE_MASK | | |
1459 | DREF_SUPERSPREAD_SOURCE_MASK)); | |
e2c719b7 | 1460 | I915_STATE_WARN(!enabled, "PCH refclk assertion failure, should be active but is disabled\n"); |
92f2584a JB |
1461 | } |
1462 | ||
ab9412ba DV |
1463 | static void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, |
1464 | enum pipe pipe) | |
92f2584a | 1465 | { |
92f2584a JB |
1466 | u32 val; |
1467 | bool enabled; | |
1468 | ||
649636ef | 1469 | val = I915_READ(PCH_TRANSCONF(pipe)); |
92f2584a | 1470 | enabled = !!(val & TRANS_ENABLE); |
e2c719b7 | 1471 | I915_STATE_WARN(enabled, |
9db4a9c7 JB |
1472 | "transcoder assertion failed, should be off on pipe %c but is still active\n", |
1473 | pipe_name(pipe)); | |
92f2584a JB |
1474 | } |
1475 | ||
4e634389 KP |
1476 | static bool dp_pipe_enabled(struct drm_i915_private *dev_priv, |
1477 | enum pipe pipe, u32 port_sel, u32 val) | |
f0575e92 KP |
1478 | { |
1479 | if ((val & DP_PORT_EN) == 0) | |
1480 | return false; | |
1481 | ||
1482 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1483 | u32 trans_dp_ctl_reg = TRANS_DP_CTL(pipe); | |
1484 | u32 trans_dp_ctl = I915_READ(trans_dp_ctl_reg); | |
1485 | if ((trans_dp_ctl & TRANS_DP_PORT_SEL_MASK) != port_sel) | |
1486 | return false; | |
44f37d1f CML |
1487 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1488 | if ((val & DP_PIPE_MASK_CHV) != DP_PIPE_SELECT_CHV(pipe)) | |
1489 | return false; | |
f0575e92 KP |
1490 | } else { |
1491 | if ((val & DP_PIPE_MASK) != (pipe << 30)) | |
1492 | return false; | |
1493 | } | |
1494 | return true; | |
1495 | } | |
1496 | ||
1519b995 KP |
1497 | static bool hdmi_pipe_enabled(struct drm_i915_private *dev_priv, |
1498 | enum pipe pipe, u32 val) | |
1499 | { | |
dc0fa718 | 1500 | if ((val & SDVO_ENABLE) == 0) |
1519b995 KP |
1501 | return false; |
1502 | ||
1503 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
dc0fa718 | 1504 | if ((val & SDVO_PIPE_SEL_MASK_CPT) != SDVO_PIPE_SEL_CPT(pipe)) |
1519b995 | 1505 | return false; |
44f37d1f CML |
1506 | } else if (IS_CHERRYVIEW(dev_priv->dev)) { |
1507 | if ((val & SDVO_PIPE_SEL_MASK_CHV) != SDVO_PIPE_SEL_CHV(pipe)) | |
1508 | return false; | |
1519b995 | 1509 | } else { |
dc0fa718 | 1510 | if ((val & SDVO_PIPE_SEL_MASK) != SDVO_PIPE_SEL(pipe)) |
1519b995 KP |
1511 | return false; |
1512 | } | |
1513 | return true; | |
1514 | } | |
1515 | ||
1516 | static bool lvds_pipe_enabled(struct drm_i915_private *dev_priv, | |
1517 | enum pipe pipe, u32 val) | |
1518 | { | |
1519 | if ((val & LVDS_PORT_EN) == 0) | |
1520 | return false; | |
1521 | ||
1522 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1523 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1524 | return false; | |
1525 | } else { | |
1526 | if ((val & LVDS_PIPE_MASK) != LVDS_PIPE(pipe)) | |
1527 | return false; | |
1528 | } | |
1529 | return true; | |
1530 | } | |
1531 | ||
1532 | static bool adpa_pipe_enabled(struct drm_i915_private *dev_priv, | |
1533 | enum pipe pipe, u32 val) | |
1534 | { | |
1535 | if ((val & ADPA_DAC_ENABLE) == 0) | |
1536 | return false; | |
1537 | if (HAS_PCH_CPT(dev_priv->dev)) { | |
1538 | if ((val & PORT_TRANS_SEL_MASK) != PORT_TRANS_SEL_CPT(pipe)) | |
1539 | return false; | |
1540 | } else { | |
1541 | if ((val & ADPA_PIPE_SELECT_MASK) != ADPA_PIPE_SELECT(pipe)) | |
1542 | return false; | |
1543 | } | |
1544 | return true; | |
1545 | } | |
1546 | ||
291906f1 | 1547 | static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, |
f0575e92 | 1548 | enum pipe pipe, int reg, u32 port_sel) |
291906f1 | 1549 | { |
47a05eca | 1550 | u32 val = I915_READ(reg); |
e2c719b7 | 1551 | I915_STATE_WARN(dp_pipe_enabled(dev_priv, pipe, port_sel, val), |
291906f1 | 1552 | "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1553 | reg, pipe_name(pipe)); |
de9a35ab | 1554 | |
e2c719b7 | 1555 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 |
75c5da27 | 1556 | && (val & DP_PIPEB_SELECT), |
de9a35ab | 1557 | "IBX PCH dp port still using transcoder B\n"); |
291906f1 JB |
1558 | } |
1559 | ||
1560 | static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, | |
1561 | enum pipe pipe, int reg) | |
1562 | { | |
47a05eca | 1563 | u32 val = I915_READ(reg); |
e2c719b7 | 1564 | I915_STATE_WARN(hdmi_pipe_enabled(dev_priv, pipe, val), |
23c99e77 | 1565 | "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1566 | reg, pipe_name(pipe)); |
de9a35ab | 1567 | |
e2c719b7 | 1568 | I915_STATE_WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_ENABLE) == 0 |
75c5da27 | 1569 | && (val & SDVO_PIPE_B_SELECT), |
de9a35ab | 1570 | "IBX PCH hdmi port still using transcoder B\n"); |
291906f1 JB |
1571 | } |
1572 | ||
1573 | static void assert_pch_ports_disabled(struct drm_i915_private *dev_priv, | |
1574 | enum pipe pipe) | |
1575 | { | |
291906f1 | 1576 | u32 val; |
291906f1 | 1577 | |
f0575e92 KP |
1578 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_B, TRANS_DP_PORT_SEL_B); |
1579 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_C, TRANS_DP_PORT_SEL_C); | |
1580 | assert_pch_dp_disabled(dev_priv, pipe, PCH_DP_D, TRANS_DP_PORT_SEL_D); | |
291906f1 | 1581 | |
649636ef | 1582 | val = I915_READ(PCH_ADPA); |
e2c719b7 | 1583 | I915_STATE_WARN(adpa_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1584 | "PCH VGA enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1585 | pipe_name(pipe)); |
291906f1 | 1586 | |
649636ef | 1587 | val = I915_READ(PCH_LVDS); |
e2c719b7 | 1588 | I915_STATE_WARN(lvds_pipe_enabled(dev_priv, pipe, val), |
291906f1 | 1589 | "PCH LVDS enabled on transcoder %c, should be disabled\n", |
9db4a9c7 | 1590 | pipe_name(pipe)); |
291906f1 | 1591 | |
e2debe91 PZ |
1592 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIB); |
1593 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMIC); | |
1594 | assert_pch_hdmi_disabled(dev_priv, pipe, PCH_HDMID); | |
291906f1 JB |
1595 | } |
1596 | ||
d288f65f | 1597 | static void vlv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1598 | const struct intel_crtc_state *pipe_config) |
87442f73 | 1599 | { |
426115cf DV |
1600 | struct drm_device *dev = crtc->base.dev; |
1601 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1602 | int reg = DPLL(crtc->pipe); | |
d288f65f | 1603 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
87442f73 | 1604 | |
426115cf | 1605 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87442f73 DV |
1606 | |
1607 | /* No really, not for ILK+ */ | |
1608 | BUG_ON(!IS_VALLEYVIEW(dev_priv->dev)); | |
1609 | ||
1610 | /* PLL is protected by panel, make sure we can write it */ | |
6a9e7363 | 1611 | if (IS_MOBILE(dev_priv->dev)) |
426115cf | 1612 | assert_panel_unlocked(dev_priv, crtc->pipe); |
87442f73 | 1613 | |
426115cf DV |
1614 | I915_WRITE(reg, dpll); |
1615 | POSTING_READ(reg); | |
1616 | udelay(150); | |
1617 | ||
1618 | if (wait_for(((I915_READ(reg) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) | |
1619 | DRM_ERROR("DPLL %d failed to lock\n", crtc->pipe); | |
1620 | ||
d288f65f | 1621 | I915_WRITE(DPLL_MD(crtc->pipe), pipe_config->dpll_hw_state.dpll_md); |
426115cf | 1622 | POSTING_READ(DPLL_MD(crtc->pipe)); |
87442f73 DV |
1623 | |
1624 | /* We do this three times for luck */ | |
426115cf | 1625 | I915_WRITE(reg, dpll); |
87442f73 DV |
1626 | POSTING_READ(reg); |
1627 | udelay(150); /* wait for warmup */ | |
426115cf | 1628 | I915_WRITE(reg, dpll); |
87442f73 DV |
1629 | POSTING_READ(reg); |
1630 | udelay(150); /* wait for warmup */ | |
426115cf | 1631 | I915_WRITE(reg, dpll); |
87442f73 DV |
1632 | POSTING_READ(reg); |
1633 | udelay(150); /* wait for warmup */ | |
1634 | } | |
1635 | ||
d288f65f | 1636 | static void chv_enable_pll(struct intel_crtc *crtc, |
5cec258b | 1637 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
1638 | { |
1639 | struct drm_device *dev = crtc->base.dev; | |
1640 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1641 | int pipe = crtc->pipe; | |
1642 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9d556c99 CML |
1643 | u32 tmp; |
1644 | ||
1645 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
1646 | ||
1647 | BUG_ON(!IS_CHERRYVIEW(dev_priv->dev)); | |
1648 | ||
a580516d | 1649 | mutex_lock(&dev_priv->sb_lock); |
9d556c99 CML |
1650 | |
1651 | /* Enable back the 10bit clock to display controller */ | |
1652 | tmp = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1653 | tmp |= DPIO_DCLKP_EN; | |
1654 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), tmp); | |
1655 | ||
54433e91 VS |
1656 | mutex_unlock(&dev_priv->sb_lock); |
1657 | ||
9d556c99 CML |
1658 | /* |
1659 | * Need to wait > 100ns between dclkp clock enable bit and PLL enable. | |
1660 | */ | |
1661 | udelay(1); | |
1662 | ||
1663 | /* Enable PLL */ | |
d288f65f | 1664 | I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll); |
9d556c99 CML |
1665 | |
1666 | /* Check PLL is locked */ | |
a11b0703 | 1667 | if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1)) |
9d556c99 CML |
1668 | DRM_ERROR("PLL %d failed to lock\n", pipe); |
1669 | ||
a11b0703 | 1670 | /* not sure when this should be written */ |
d288f65f | 1671 | I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); |
a11b0703 | 1672 | POSTING_READ(DPLL_MD(pipe)); |
9d556c99 CML |
1673 | } |
1674 | ||
1c4e0274 VS |
1675 | static int intel_num_dvo_pipes(struct drm_device *dev) |
1676 | { | |
1677 | struct intel_crtc *crtc; | |
1678 | int count = 0; | |
1679 | ||
1680 | for_each_intel_crtc(dev, crtc) | |
3538b9df | 1681 | count += crtc->base.state->active && |
409ee761 | 1682 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO); |
1c4e0274 VS |
1683 | |
1684 | return count; | |
1685 | } | |
1686 | ||
66e3d5c0 | 1687 | static void i9xx_enable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1688 | { |
66e3d5c0 DV |
1689 | struct drm_device *dev = crtc->base.dev; |
1690 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1691 | int reg = DPLL(crtc->pipe); | |
6e3c9717 | 1692 | u32 dpll = crtc->config->dpll_hw_state.dpll; |
63d7bbe9 | 1693 | |
66e3d5c0 | 1694 | assert_pipe_disabled(dev_priv, crtc->pipe); |
58c6eaa2 | 1695 | |
63d7bbe9 | 1696 | /* No really, not for ILK+ */ |
3d13ef2e | 1697 | BUG_ON(INTEL_INFO(dev)->gen >= 5); |
63d7bbe9 JB |
1698 | |
1699 | /* PLL is protected by panel, make sure we can write it */ | |
66e3d5c0 DV |
1700 | if (IS_MOBILE(dev) && !IS_I830(dev)) |
1701 | assert_panel_unlocked(dev_priv, crtc->pipe); | |
63d7bbe9 | 1702 | |
1c4e0274 VS |
1703 | /* Enable DVO 2x clock on both PLLs if necessary */ |
1704 | if (IS_I830(dev) && intel_num_dvo_pipes(dev) > 0) { | |
1705 | /* | |
1706 | * It appears to be important that we don't enable this | |
1707 | * for the current pipe before otherwise configuring the | |
1708 | * PLL. No idea how this should be handled if multiple | |
1709 | * DVO outputs are enabled simultaneosly. | |
1710 | */ | |
1711 | dpll |= DPLL_DVO_2X_MODE; | |
1712 | I915_WRITE(DPLL(!crtc->pipe), | |
1713 | I915_READ(DPLL(!crtc->pipe)) | DPLL_DVO_2X_MODE); | |
1714 | } | |
66e3d5c0 DV |
1715 | |
1716 | /* Wait for the clocks to stabilize. */ | |
1717 | POSTING_READ(reg); | |
1718 | udelay(150); | |
1719 | ||
1720 | if (INTEL_INFO(dev)->gen >= 4) { | |
1721 | I915_WRITE(DPLL_MD(crtc->pipe), | |
6e3c9717 | 1722 | crtc->config->dpll_hw_state.dpll_md); |
66e3d5c0 DV |
1723 | } else { |
1724 | /* The pixel multiplier can only be updated once the | |
1725 | * DPLL is enabled and the clocks are stable. | |
1726 | * | |
1727 | * So write it again. | |
1728 | */ | |
1729 | I915_WRITE(reg, dpll); | |
1730 | } | |
63d7bbe9 JB |
1731 | |
1732 | /* We do this three times for luck */ | |
66e3d5c0 | 1733 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1734 | POSTING_READ(reg); |
1735 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1736 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1737 | POSTING_READ(reg); |
1738 | udelay(150); /* wait for warmup */ | |
66e3d5c0 | 1739 | I915_WRITE(reg, dpll); |
63d7bbe9 JB |
1740 | POSTING_READ(reg); |
1741 | udelay(150); /* wait for warmup */ | |
1742 | } | |
1743 | ||
1744 | /** | |
50b44a44 | 1745 | * i9xx_disable_pll - disable a PLL |
63d7bbe9 JB |
1746 | * @dev_priv: i915 private structure |
1747 | * @pipe: pipe PLL to disable | |
1748 | * | |
1749 | * Disable the PLL for @pipe, making sure the pipe is off first. | |
1750 | * | |
1751 | * Note! This is for pre-ILK only. | |
1752 | */ | |
1c4e0274 | 1753 | static void i9xx_disable_pll(struct intel_crtc *crtc) |
63d7bbe9 | 1754 | { |
1c4e0274 VS |
1755 | struct drm_device *dev = crtc->base.dev; |
1756 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1757 | enum pipe pipe = crtc->pipe; | |
1758 | ||
1759 | /* Disable DVO 2x clock on both PLLs if necessary */ | |
1760 | if (IS_I830(dev) && | |
409ee761 | 1761 | intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO) && |
3538b9df | 1762 | !intel_num_dvo_pipes(dev)) { |
1c4e0274 VS |
1763 | I915_WRITE(DPLL(PIPE_B), |
1764 | I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE); | |
1765 | I915_WRITE(DPLL(PIPE_A), | |
1766 | I915_READ(DPLL(PIPE_A)) & ~DPLL_DVO_2X_MODE); | |
1767 | } | |
1768 | ||
b6b5d049 VS |
1769 | /* Don't disable pipe or pipe PLLs if needed */ |
1770 | if ((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || | |
1771 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
63d7bbe9 JB |
1772 | return; |
1773 | ||
1774 | /* Make sure the pipe isn't still relying on us */ | |
1775 | assert_pipe_disabled(dev_priv, pipe); | |
1776 | ||
b8afb911 | 1777 | I915_WRITE(DPLL(pipe), DPLL_VGA_MODE_DIS); |
50b44a44 | 1778 | POSTING_READ(DPLL(pipe)); |
63d7bbe9 JB |
1779 | } |
1780 | ||
f6071166 JB |
1781 | static void vlv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) |
1782 | { | |
b8afb911 | 1783 | u32 val; |
f6071166 JB |
1784 | |
1785 | /* Make sure the pipe isn't still relying on us */ | |
1786 | assert_pipe_disabled(dev_priv, pipe); | |
1787 | ||
e5cbfbfb ID |
1788 | /* |
1789 | * Leave integrated clock source and reference clock enabled for pipe B. | |
1790 | * The latter is needed for VGA hotplug / manual detection. | |
1791 | */ | |
b8afb911 | 1792 | val = DPLL_VGA_MODE_DIS; |
f6071166 | 1793 | if (pipe == PIPE_B) |
60bfe44f | 1794 | val = DPLL_INTEGRATED_CRI_CLK_VLV | DPLL_REF_CLK_ENABLE_VLV; |
f6071166 JB |
1795 | I915_WRITE(DPLL(pipe), val); |
1796 | POSTING_READ(DPLL(pipe)); | |
076ed3b2 CML |
1797 | |
1798 | } | |
1799 | ||
1800 | static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe) | |
1801 | { | |
d752048d | 1802 | enum dpio_channel port = vlv_pipe_to_channel(pipe); |
076ed3b2 CML |
1803 | u32 val; |
1804 | ||
a11b0703 VS |
1805 | /* Make sure the pipe isn't still relying on us */ |
1806 | assert_pipe_disabled(dev_priv, pipe); | |
076ed3b2 | 1807 | |
a11b0703 | 1808 | /* Set PLL en = 0 */ |
60bfe44f VS |
1809 | val = DPLL_SSC_REF_CLK_CHV | |
1810 | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS; | |
a11b0703 VS |
1811 | if (pipe != PIPE_A) |
1812 | val |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
1813 | I915_WRITE(DPLL(pipe), val); | |
1814 | POSTING_READ(DPLL(pipe)); | |
d752048d | 1815 | |
a580516d | 1816 | mutex_lock(&dev_priv->sb_lock); |
d752048d VS |
1817 | |
1818 | /* Disable 10bit clock to display controller */ | |
1819 | val = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)); | |
1820 | val &= ~DPIO_DCLKP_EN; | |
1821 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), val); | |
1822 | ||
a580516d | 1823 | mutex_unlock(&dev_priv->sb_lock); |
f6071166 JB |
1824 | } |
1825 | ||
e4607fcf | 1826 | void vlv_wait_port_ready(struct drm_i915_private *dev_priv, |
9b6de0a1 VS |
1827 | struct intel_digital_port *dport, |
1828 | unsigned int expected_mask) | |
89b667f8 JB |
1829 | { |
1830 | u32 port_mask; | |
00fc31b7 | 1831 | int dpll_reg; |
89b667f8 | 1832 | |
e4607fcf CML |
1833 | switch (dport->port) { |
1834 | case PORT_B: | |
89b667f8 | 1835 | port_mask = DPLL_PORTB_READY_MASK; |
00fc31b7 | 1836 | dpll_reg = DPLL(0); |
e4607fcf CML |
1837 | break; |
1838 | case PORT_C: | |
89b667f8 | 1839 | port_mask = DPLL_PORTC_READY_MASK; |
00fc31b7 | 1840 | dpll_reg = DPLL(0); |
9b6de0a1 | 1841 | expected_mask <<= 4; |
00fc31b7 CML |
1842 | break; |
1843 | case PORT_D: | |
1844 | port_mask = DPLL_PORTD_READY_MASK; | |
1845 | dpll_reg = DPIO_PHY_STATUS; | |
e4607fcf CML |
1846 | break; |
1847 | default: | |
1848 | BUG(); | |
1849 | } | |
89b667f8 | 1850 | |
9b6de0a1 VS |
1851 | if (wait_for((I915_READ(dpll_reg) & port_mask) == expected_mask, 1000)) |
1852 | WARN(1, "timed out waiting for port %c ready: got 0x%x, expected 0x%x\n", | |
1853 | port_name(dport->port), I915_READ(dpll_reg) & port_mask, expected_mask); | |
89b667f8 JB |
1854 | } |
1855 | ||
b14b1055 DV |
1856 | static void intel_prepare_shared_dpll(struct intel_crtc *crtc) |
1857 | { | |
1858 | struct drm_device *dev = crtc->base.dev; | |
1859 | struct drm_i915_private *dev_priv = dev->dev_private; | |
1860 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); | |
1861 | ||
be19f0ff CW |
1862 | if (WARN_ON(pll == NULL)) |
1863 | return; | |
1864 | ||
3e369b76 | 1865 | WARN_ON(!pll->config.crtc_mask); |
b14b1055 DV |
1866 | if (pll->active == 0) { |
1867 | DRM_DEBUG_DRIVER("setting up %s\n", pll->name); | |
1868 | WARN_ON(pll->on); | |
1869 | assert_shared_dpll_disabled(dev_priv, pll); | |
1870 | ||
1871 | pll->mode_set(dev_priv, pll); | |
1872 | } | |
1873 | } | |
1874 | ||
92f2584a | 1875 | /** |
85b3894f | 1876 | * intel_enable_shared_dpll - enable PCH PLL |
92f2584a JB |
1877 | * @dev_priv: i915 private structure |
1878 | * @pipe: pipe PLL to enable | |
1879 | * | |
1880 | * The PCH PLL needs to be enabled before the PCH transcoder, since it | |
1881 | * drives the transcoder clock. | |
1882 | */ | |
85b3894f | 1883 | static void intel_enable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1884 | { |
3d13ef2e DL |
1885 | struct drm_device *dev = crtc->base.dev; |
1886 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1887 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
92f2584a | 1888 | |
87a875bb | 1889 | if (WARN_ON(pll == NULL)) |
48da64a8 CW |
1890 | return; |
1891 | ||
3e369b76 | 1892 | if (WARN_ON(pll->config.crtc_mask == 0)) |
48da64a8 | 1893 | return; |
ee7b9f93 | 1894 | |
74dd6928 | 1895 | DRM_DEBUG_KMS("enable %s (active %d, on? %d) for crtc %d\n", |
46edb027 | 1896 | pll->name, pll->active, pll->on, |
e2b78267 | 1897 | crtc->base.base.id); |
92f2584a | 1898 | |
cdbd2316 DV |
1899 | if (pll->active++) { |
1900 | WARN_ON(!pll->on); | |
e9d6944e | 1901 | assert_shared_dpll_enabled(dev_priv, pll); |
ee7b9f93 JB |
1902 | return; |
1903 | } | |
f4a091c7 | 1904 | WARN_ON(pll->on); |
ee7b9f93 | 1905 | |
bd2bb1b9 PZ |
1906 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
1907 | ||
46edb027 | 1908 | DRM_DEBUG_KMS("enabling %s\n", pll->name); |
e7b903d2 | 1909 | pll->enable(dev_priv, pll); |
ee7b9f93 | 1910 | pll->on = true; |
92f2584a JB |
1911 | } |
1912 | ||
f6daaec2 | 1913 | static void intel_disable_shared_dpll(struct intel_crtc *crtc) |
92f2584a | 1914 | { |
3d13ef2e DL |
1915 | struct drm_device *dev = crtc->base.dev; |
1916 | struct drm_i915_private *dev_priv = dev->dev_private; | |
e2b78267 | 1917 | struct intel_shared_dpll *pll = intel_crtc_to_shared_dpll(crtc); |
4c609cb8 | 1918 | |
92f2584a | 1919 | /* PCH only available on ILK+ */ |
80aa9312 JB |
1920 | if (INTEL_INFO(dev)->gen < 5) |
1921 | return; | |
1922 | ||
eddfcbcd ML |
1923 | if (pll == NULL) |
1924 | return; | |
92f2584a | 1925 | |
eddfcbcd | 1926 | if (WARN_ON(!(pll->config.crtc_mask & (1 << drm_crtc_index(&crtc->base))))) |
48da64a8 | 1927 | return; |
7a419866 | 1928 | |
46edb027 DV |
1929 | DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n", |
1930 | pll->name, pll->active, pll->on, | |
e2b78267 | 1931 | crtc->base.base.id); |
7a419866 | 1932 | |
48da64a8 | 1933 | if (WARN_ON(pll->active == 0)) { |
e9d6944e | 1934 | assert_shared_dpll_disabled(dev_priv, pll); |
48da64a8 CW |
1935 | return; |
1936 | } | |
1937 | ||
e9d6944e | 1938 | assert_shared_dpll_enabled(dev_priv, pll); |
f4a091c7 | 1939 | WARN_ON(!pll->on); |
cdbd2316 | 1940 | if (--pll->active) |
7a419866 | 1941 | return; |
ee7b9f93 | 1942 | |
46edb027 | 1943 | DRM_DEBUG_KMS("disabling %s\n", pll->name); |
e7b903d2 | 1944 | pll->disable(dev_priv, pll); |
ee7b9f93 | 1945 | pll->on = false; |
bd2bb1b9 PZ |
1946 | |
1947 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
92f2584a JB |
1948 | } |
1949 | ||
b8a4f404 PZ |
1950 | static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
1951 | enum pipe pipe) | |
040484af | 1952 | { |
23670b32 | 1953 | struct drm_device *dev = dev_priv->dev; |
7c26e5c6 | 1954 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
e2b78267 | 1955 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
23670b32 | 1956 | uint32_t reg, val, pipeconf_val; |
040484af JB |
1957 | |
1958 | /* PCH only available on ILK+ */ | |
55522f37 | 1959 | BUG_ON(!HAS_PCH_SPLIT(dev)); |
040484af JB |
1960 | |
1961 | /* Make sure PCH DPLL is enabled */ | |
e72f9fbf | 1962 | assert_shared_dpll_enabled(dev_priv, |
e9d6944e | 1963 | intel_crtc_to_shared_dpll(intel_crtc)); |
040484af JB |
1964 | |
1965 | /* FDI must be feeding us bits for PCH ports */ | |
1966 | assert_fdi_tx_enabled(dev_priv, pipe); | |
1967 | assert_fdi_rx_enabled(dev_priv, pipe); | |
1968 | ||
23670b32 DV |
1969 | if (HAS_PCH_CPT(dev)) { |
1970 | /* Workaround: Set the timing override bit before enabling the | |
1971 | * pch transcoder. */ | |
1972 | reg = TRANS_CHICKEN2(pipe); | |
1973 | val = I915_READ(reg); | |
1974 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; | |
1975 | I915_WRITE(reg, val); | |
59c859d6 | 1976 | } |
23670b32 | 1977 | |
ab9412ba | 1978 | reg = PCH_TRANSCONF(pipe); |
040484af | 1979 | val = I915_READ(reg); |
5f7f726d | 1980 | pipeconf_val = I915_READ(PIPECONF(pipe)); |
e9bcff5c JB |
1981 | |
1982 | if (HAS_PCH_IBX(dev_priv->dev)) { | |
1983 | /* | |
c5de7c6f VS |
1984 | * Make the BPC in transcoder be consistent with |
1985 | * that in pipeconf reg. For HDMI we must use 8bpc | |
1986 | * here for both 8bpc and 12bpc. | |
e9bcff5c | 1987 | */ |
dfd07d72 | 1988 | val &= ~PIPECONF_BPC_MASK; |
c5de7c6f VS |
1989 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_HDMI)) |
1990 | val |= PIPECONF_8BPC; | |
1991 | else | |
1992 | val |= pipeconf_val & PIPECONF_BPC_MASK; | |
e9bcff5c | 1993 | } |
5f7f726d PZ |
1994 | |
1995 | val &= ~TRANS_INTERLACE_MASK; | |
1996 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) | |
7c26e5c6 | 1997 | if (HAS_PCH_IBX(dev_priv->dev) && |
409ee761 | 1998 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
7c26e5c6 PZ |
1999 | val |= TRANS_LEGACY_INTERLACED_ILK; |
2000 | else | |
2001 | val |= TRANS_INTERLACED; | |
5f7f726d PZ |
2002 | else |
2003 | val |= TRANS_PROGRESSIVE; | |
2004 | ||
040484af JB |
2005 | I915_WRITE(reg, val | TRANS_ENABLE); |
2006 | if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100)) | |
4bb6f1f3 | 2007 | DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe)); |
040484af JB |
2008 | } |
2009 | ||
8fb033d7 | 2010 | static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv, |
937bb610 | 2011 | enum transcoder cpu_transcoder) |
040484af | 2012 | { |
8fb033d7 | 2013 | u32 val, pipeconf_val; |
8fb033d7 PZ |
2014 | |
2015 | /* PCH only available on ILK+ */ | |
55522f37 | 2016 | BUG_ON(!HAS_PCH_SPLIT(dev_priv->dev)); |
8fb033d7 | 2017 | |
8fb033d7 | 2018 | /* FDI must be feeding us bits for PCH ports */ |
1a240d4d | 2019 | assert_fdi_tx_enabled(dev_priv, (enum pipe) cpu_transcoder); |
937bb610 | 2020 | assert_fdi_rx_enabled(dev_priv, TRANSCODER_A); |
8fb033d7 | 2021 | |
223a6fdf | 2022 | /* Workaround: set timing override bit. */ |
36c0d0cf | 2023 | val = I915_READ(TRANS_CHICKEN2(PIPE_A)); |
23670b32 | 2024 | val |= TRANS_CHICKEN2_TIMING_OVERRIDE; |
36c0d0cf | 2025 | I915_WRITE(TRANS_CHICKEN2(PIPE_A), val); |
223a6fdf | 2026 | |
25f3ef11 | 2027 | val = TRANS_ENABLE; |
937bb610 | 2028 | pipeconf_val = I915_READ(PIPECONF(cpu_transcoder)); |
8fb033d7 | 2029 | |
9a76b1c6 PZ |
2030 | if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == |
2031 | PIPECONF_INTERLACED_ILK) | |
a35f2679 | 2032 | val |= TRANS_INTERLACED; |
8fb033d7 PZ |
2033 | else |
2034 | val |= TRANS_PROGRESSIVE; | |
2035 | ||
ab9412ba DV |
2036 | I915_WRITE(LPT_TRANSCONF, val); |
2037 | if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100)) | |
937bb610 | 2038 | DRM_ERROR("Failed to enable PCH transcoder\n"); |
8fb033d7 PZ |
2039 | } |
2040 | ||
b8a4f404 PZ |
2041 | static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv, |
2042 | enum pipe pipe) | |
040484af | 2043 | { |
23670b32 DV |
2044 | struct drm_device *dev = dev_priv->dev; |
2045 | uint32_t reg, val; | |
040484af JB |
2046 | |
2047 | /* FDI relies on the transcoder */ | |
2048 | assert_fdi_tx_disabled(dev_priv, pipe); | |
2049 | assert_fdi_rx_disabled(dev_priv, pipe); | |
2050 | ||
291906f1 JB |
2051 | /* Ports must be off as well */ |
2052 | assert_pch_ports_disabled(dev_priv, pipe); | |
2053 | ||
ab9412ba | 2054 | reg = PCH_TRANSCONF(pipe); |
040484af JB |
2055 | val = I915_READ(reg); |
2056 | val &= ~TRANS_ENABLE; | |
2057 | I915_WRITE(reg, val); | |
2058 | /* wait for PCH transcoder off, transcoder state */ | |
2059 | if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50)) | |
4bb6f1f3 | 2060 | DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe)); |
23670b32 DV |
2061 | |
2062 | if (!HAS_PCH_IBX(dev)) { | |
2063 | /* Workaround: Clear the timing override chicken bit again. */ | |
2064 | reg = TRANS_CHICKEN2(pipe); | |
2065 | val = I915_READ(reg); | |
2066 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; | |
2067 | I915_WRITE(reg, val); | |
2068 | } | |
040484af JB |
2069 | } |
2070 | ||
ab4d966c | 2071 | static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv) |
8fb033d7 | 2072 | { |
8fb033d7 PZ |
2073 | u32 val; |
2074 | ||
ab9412ba | 2075 | val = I915_READ(LPT_TRANSCONF); |
8fb033d7 | 2076 | val &= ~TRANS_ENABLE; |
ab9412ba | 2077 | I915_WRITE(LPT_TRANSCONF, val); |
8fb033d7 | 2078 | /* wait for PCH transcoder off, transcoder state */ |
ab9412ba | 2079 | if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50)) |
8a52fd9f | 2080 | DRM_ERROR("Failed to disable PCH transcoder\n"); |
223a6fdf PZ |
2081 | |
2082 | /* Workaround: clear timing override bit. */ | |
36c0d0cf | 2083 | val = I915_READ(TRANS_CHICKEN2(PIPE_A)); |
23670b32 | 2084 | val &= ~TRANS_CHICKEN2_TIMING_OVERRIDE; |
36c0d0cf | 2085 | I915_WRITE(TRANS_CHICKEN2(PIPE_A), val); |
040484af JB |
2086 | } |
2087 | ||
b24e7179 | 2088 | /** |
309cfea8 | 2089 | * intel_enable_pipe - enable a pipe, asserting requirements |
0372264a | 2090 | * @crtc: crtc responsible for the pipe |
b24e7179 | 2091 | * |
0372264a | 2092 | * Enable @crtc's pipe, making sure that various hardware specific requirements |
b24e7179 | 2093 | * are met, if applicable, e.g. PLL enabled, LVDS pairs enabled, etc. |
b24e7179 | 2094 | */ |
e1fdc473 | 2095 | static void intel_enable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2096 | { |
0372264a PZ |
2097 | struct drm_device *dev = crtc->base.dev; |
2098 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2099 | enum pipe pipe = crtc->pipe; | |
702e7a56 PZ |
2100 | enum transcoder cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, |
2101 | pipe); | |
1a240d4d | 2102 | enum pipe pch_transcoder; |
b24e7179 JB |
2103 | int reg; |
2104 | u32 val; | |
2105 | ||
9e2ee2dd VS |
2106 | DRM_DEBUG_KMS("enabling pipe %c\n", pipe_name(pipe)); |
2107 | ||
58c6eaa2 | 2108 | assert_planes_disabled(dev_priv, pipe); |
93ce0ba6 | 2109 | assert_cursor_disabled(dev_priv, pipe); |
58c6eaa2 DV |
2110 | assert_sprites_disabled(dev_priv, pipe); |
2111 | ||
681e5811 | 2112 | if (HAS_PCH_LPT(dev_priv->dev)) |
cc391bbb PZ |
2113 | pch_transcoder = TRANSCODER_A; |
2114 | else | |
2115 | pch_transcoder = pipe; | |
2116 | ||
b24e7179 JB |
2117 | /* |
2118 | * A pipe without a PLL won't actually be able to drive bits from | |
2119 | * a plane. On ILK+ the pipe PLLs are integrated, so we don't | |
2120 | * need the check. | |
2121 | */ | |
50360403 | 2122 | if (HAS_GMCH_DISPLAY(dev_priv->dev)) |
409ee761 | 2123 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DSI)) |
23538ef1 JN |
2124 | assert_dsi_pll_enabled(dev_priv); |
2125 | else | |
2126 | assert_pll_enabled(dev_priv, pipe); | |
040484af | 2127 | else { |
6e3c9717 | 2128 | if (crtc->config->has_pch_encoder) { |
040484af | 2129 | /* if driving the PCH, we need FDI enabled */ |
cc391bbb | 2130 | assert_fdi_rx_pll_enabled(dev_priv, pch_transcoder); |
1a240d4d DV |
2131 | assert_fdi_tx_pll_enabled(dev_priv, |
2132 | (enum pipe) cpu_transcoder); | |
040484af JB |
2133 | } |
2134 | /* FIXME: assert CPU port conditions for SNB+ */ | |
2135 | } | |
b24e7179 | 2136 | |
702e7a56 | 2137 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2138 | val = I915_READ(reg); |
7ad25d48 | 2139 | if (val & PIPECONF_ENABLE) { |
b6b5d049 VS |
2140 | WARN_ON(!((pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
2141 | (pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE))); | |
00d70b15 | 2142 | return; |
7ad25d48 | 2143 | } |
00d70b15 CW |
2144 | |
2145 | I915_WRITE(reg, val | PIPECONF_ENABLE); | |
851855d8 | 2146 | POSTING_READ(reg); |
b24e7179 JB |
2147 | } |
2148 | ||
2149 | /** | |
309cfea8 | 2150 | * intel_disable_pipe - disable a pipe, asserting requirements |
575f7ab7 | 2151 | * @crtc: crtc whose pipes is to be disabled |
b24e7179 | 2152 | * |
575f7ab7 VS |
2153 | * Disable the pipe of @crtc, making sure that various hardware |
2154 | * specific requirements are met, if applicable, e.g. plane | |
2155 | * disabled, panel fitter off, etc. | |
b24e7179 JB |
2156 | * |
2157 | * Will wait until the pipe has shut down before returning. | |
2158 | */ | |
575f7ab7 | 2159 | static void intel_disable_pipe(struct intel_crtc *crtc) |
b24e7179 | 2160 | { |
575f7ab7 | 2161 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
6e3c9717 | 2162 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
575f7ab7 | 2163 | enum pipe pipe = crtc->pipe; |
b24e7179 JB |
2164 | int reg; |
2165 | u32 val; | |
2166 | ||
9e2ee2dd VS |
2167 | DRM_DEBUG_KMS("disabling pipe %c\n", pipe_name(pipe)); |
2168 | ||
b24e7179 JB |
2169 | /* |
2170 | * Make sure planes won't keep trying to pump pixels to us, | |
2171 | * or we might hang the display. | |
2172 | */ | |
2173 | assert_planes_disabled(dev_priv, pipe); | |
93ce0ba6 | 2174 | assert_cursor_disabled(dev_priv, pipe); |
19332d7a | 2175 | assert_sprites_disabled(dev_priv, pipe); |
b24e7179 | 2176 | |
702e7a56 | 2177 | reg = PIPECONF(cpu_transcoder); |
b24e7179 | 2178 | val = I915_READ(reg); |
00d70b15 CW |
2179 | if ((val & PIPECONF_ENABLE) == 0) |
2180 | return; | |
2181 | ||
67adc644 VS |
2182 | /* |
2183 | * Double wide has implications for planes | |
2184 | * so best keep it disabled when not needed. | |
2185 | */ | |
6e3c9717 | 2186 | if (crtc->config->double_wide) |
67adc644 VS |
2187 | val &= ~PIPECONF_DOUBLE_WIDE; |
2188 | ||
2189 | /* Don't disable pipe or pipe PLLs if needed */ | |
b6b5d049 VS |
2190 | if (!(pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) && |
2191 | !(pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
67adc644 VS |
2192 | val &= ~PIPECONF_ENABLE; |
2193 | ||
2194 | I915_WRITE(reg, val); | |
2195 | if ((val & PIPECONF_ENABLE) == 0) | |
2196 | intel_wait_for_pipe_off(crtc); | |
b24e7179 JB |
2197 | } |
2198 | ||
693db184 CW |
2199 | static bool need_vtd_wa(struct drm_device *dev) |
2200 | { | |
2201 | #ifdef CONFIG_INTEL_IOMMU | |
2202 | if (INTEL_INFO(dev)->gen >= 6 && intel_iommu_gfx_mapped) | |
2203 | return true; | |
2204 | #endif | |
2205 | return false; | |
2206 | } | |
2207 | ||
50470bb0 | 2208 | unsigned int |
6761dd31 | 2209 | intel_tile_height(struct drm_device *dev, uint32_t pixel_format, |
fe47ea0c | 2210 | uint64_t fb_format_modifier, unsigned int plane) |
a57ce0b2 | 2211 | { |
6761dd31 TU |
2212 | unsigned int tile_height; |
2213 | uint32_t pixel_bytes; | |
a57ce0b2 | 2214 | |
b5d0e9bf DL |
2215 | switch (fb_format_modifier) { |
2216 | case DRM_FORMAT_MOD_NONE: | |
2217 | tile_height = 1; | |
2218 | break; | |
2219 | case I915_FORMAT_MOD_X_TILED: | |
2220 | tile_height = IS_GEN2(dev) ? 16 : 8; | |
2221 | break; | |
2222 | case I915_FORMAT_MOD_Y_TILED: | |
2223 | tile_height = 32; | |
2224 | break; | |
2225 | case I915_FORMAT_MOD_Yf_TILED: | |
fe47ea0c | 2226 | pixel_bytes = drm_format_plane_cpp(pixel_format, plane); |
6761dd31 | 2227 | switch (pixel_bytes) { |
b5d0e9bf | 2228 | default: |
6761dd31 | 2229 | case 1: |
b5d0e9bf DL |
2230 | tile_height = 64; |
2231 | break; | |
6761dd31 TU |
2232 | case 2: |
2233 | case 4: | |
b5d0e9bf DL |
2234 | tile_height = 32; |
2235 | break; | |
6761dd31 | 2236 | case 8: |
b5d0e9bf DL |
2237 | tile_height = 16; |
2238 | break; | |
6761dd31 | 2239 | case 16: |
b5d0e9bf DL |
2240 | WARN_ONCE(1, |
2241 | "128-bit pixels are not supported for display!"); | |
2242 | tile_height = 16; | |
2243 | break; | |
2244 | } | |
2245 | break; | |
2246 | default: | |
2247 | MISSING_CASE(fb_format_modifier); | |
2248 | tile_height = 1; | |
2249 | break; | |
2250 | } | |
091df6cb | 2251 | |
6761dd31 TU |
2252 | return tile_height; |
2253 | } | |
2254 | ||
2255 | unsigned int | |
2256 | intel_fb_align_height(struct drm_device *dev, unsigned int height, | |
2257 | uint32_t pixel_format, uint64_t fb_format_modifier) | |
2258 | { | |
2259 | return ALIGN(height, intel_tile_height(dev, pixel_format, | |
fe47ea0c | 2260 | fb_format_modifier, 0)); |
a57ce0b2 JB |
2261 | } |
2262 | ||
f64b98cd TU |
2263 | static int |
2264 | intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb, | |
2265 | const struct drm_plane_state *plane_state) | |
2266 | { | |
50470bb0 | 2267 | struct intel_rotation_info *info = &view->rotation_info; |
84fe03f7 | 2268 | unsigned int tile_height, tile_pitch; |
50470bb0 | 2269 | |
f64b98cd TU |
2270 | *view = i915_ggtt_view_normal; |
2271 | ||
50470bb0 TU |
2272 | if (!plane_state) |
2273 | return 0; | |
2274 | ||
121920fa | 2275 | if (!intel_rotation_90_or_270(plane_state->rotation)) |
50470bb0 TU |
2276 | return 0; |
2277 | ||
9abc4648 | 2278 | *view = i915_ggtt_view_rotated; |
50470bb0 TU |
2279 | |
2280 | info->height = fb->height; | |
2281 | info->pixel_format = fb->pixel_format; | |
2282 | info->pitch = fb->pitches[0]; | |
89e3e142 | 2283 | info->uv_offset = fb->offsets[1]; |
50470bb0 TU |
2284 | info->fb_modifier = fb->modifier[0]; |
2285 | ||
84fe03f7 | 2286 | tile_height = intel_tile_height(fb->dev, fb->pixel_format, |
fe47ea0c | 2287 | fb->modifier[0], 0); |
84fe03f7 TU |
2288 | tile_pitch = PAGE_SIZE / tile_height; |
2289 | info->width_pages = DIV_ROUND_UP(fb->pitches[0], tile_pitch); | |
2290 | info->height_pages = DIV_ROUND_UP(fb->height, tile_height); | |
2291 | info->size = info->width_pages * info->height_pages * PAGE_SIZE; | |
2292 | ||
89e3e142 TU |
2293 | if (info->pixel_format == DRM_FORMAT_NV12) { |
2294 | tile_height = intel_tile_height(fb->dev, fb->pixel_format, | |
2295 | fb->modifier[0], 1); | |
2296 | tile_pitch = PAGE_SIZE / tile_height; | |
2297 | info->width_pages_uv = DIV_ROUND_UP(fb->pitches[0], tile_pitch); | |
2298 | info->height_pages_uv = DIV_ROUND_UP(fb->height / 2, | |
2299 | tile_height); | |
2300 | info->size_uv = info->width_pages_uv * info->height_pages_uv * | |
2301 | PAGE_SIZE; | |
2302 | } | |
2303 | ||
f64b98cd TU |
2304 | return 0; |
2305 | } | |
2306 | ||
4e9a86b6 VS |
2307 | static unsigned int intel_linear_alignment(struct drm_i915_private *dev_priv) |
2308 | { | |
2309 | if (INTEL_INFO(dev_priv)->gen >= 9) | |
2310 | return 256 * 1024; | |
985b8bb4 VS |
2311 | else if (IS_BROADWATER(dev_priv) || IS_CRESTLINE(dev_priv) || |
2312 | IS_VALLEYVIEW(dev_priv)) | |
4e9a86b6 VS |
2313 | return 128 * 1024; |
2314 | else if (INTEL_INFO(dev_priv)->gen >= 4) | |
2315 | return 4 * 1024; | |
2316 | else | |
44c5905e | 2317 | return 0; |
4e9a86b6 VS |
2318 | } |
2319 | ||
127bd2ac | 2320 | int |
850c4cdc TU |
2321 | intel_pin_and_fence_fb_obj(struct drm_plane *plane, |
2322 | struct drm_framebuffer *fb, | |
7580d774 | 2323 | const struct drm_plane_state *plane_state) |
6b95a207 | 2324 | { |
850c4cdc | 2325 | struct drm_device *dev = fb->dev; |
ce453d81 | 2326 | struct drm_i915_private *dev_priv = dev->dev_private; |
850c4cdc | 2327 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd | 2328 | struct i915_ggtt_view view; |
6b95a207 KH |
2329 | u32 alignment; |
2330 | int ret; | |
2331 | ||
ebcdd39e MR |
2332 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
2333 | ||
7b911adc TU |
2334 | switch (fb->modifier[0]) { |
2335 | case DRM_FORMAT_MOD_NONE: | |
4e9a86b6 | 2336 | alignment = intel_linear_alignment(dev_priv); |
6b95a207 | 2337 | break; |
7b911adc | 2338 | case I915_FORMAT_MOD_X_TILED: |
1fada4cc DL |
2339 | if (INTEL_INFO(dev)->gen >= 9) |
2340 | alignment = 256 * 1024; | |
2341 | else { | |
2342 | /* pin() will align the object as required by fence */ | |
2343 | alignment = 0; | |
2344 | } | |
6b95a207 | 2345 | break; |
7b911adc | 2346 | case I915_FORMAT_MOD_Y_TILED: |
1327b9a1 DL |
2347 | case I915_FORMAT_MOD_Yf_TILED: |
2348 | if (WARN_ONCE(INTEL_INFO(dev)->gen < 9, | |
2349 | "Y tiling bo slipped through, driver bug!\n")) | |
2350 | return -EINVAL; | |
2351 | alignment = 1 * 1024 * 1024; | |
2352 | break; | |
6b95a207 | 2353 | default: |
7b911adc TU |
2354 | MISSING_CASE(fb->modifier[0]); |
2355 | return -EINVAL; | |
6b95a207 KH |
2356 | } |
2357 | ||
f64b98cd TU |
2358 | ret = intel_fill_fb_ggtt_view(&view, fb, plane_state); |
2359 | if (ret) | |
2360 | return ret; | |
2361 | ||
693db184 CW |
2362 | /* Note that the w/a also requires 64 PTE of padding following the |
2363 | * bo. We currently fill all unused PTE with the shadow page and so | |
2364 | * we should always have valid PTE following the scanout preventing | |
2365 | * the VT-d warning. | |
2366 | */ | |
2367 | if (need_vtd_wa(dev) && alignment < 256 * 1024) | |
2368 | alignment = 256 * 1024; | |
2369 | ||
d6dd6843 PZ |
2370 | /* |
2371 | * Global gtt pte registers are special registers which actually forward | |
2372 | * writes to a chunk of system memory. Which means that there is no risk | |
2373 | * that the register values disappear as soon as we call | |
2374 | * intel_runtime_pm_put(), so it is correct to wrap only the | |
2375 | * pin/unpin/fence and not more. | |
2376 | */ | |
2377 | intel_runtime_pm_get(dev_priv); | |
2378 | ||
7580d774 ML |
2379 | ret = i915_gem_object_pin_to_display_plane(obj, alignment, |
2380 | &view); | |
48b956c5 | 2381 | if (ret) |
b26a6b35 | 2382 | goto err_pm; |
6b95a207 KH |
2383 | |
2384 | /* Install a fence for tiled scan-out. Pre-i965 always needs a | |
2385 | * fence, whereas 965+ only requires a fence if using | |
2386 | * framebuffer compression. For simplicity, we always install | |
2387 | * a fence as the cost is not that onerous. | |
2388 | */ | |
06d98131 | 2389 | ret = i915_gem_object_get_fence(obj); |
842315ee ML |
2390 | if (ret == -EDEADLK) { |
2391 | /* | |
2392 | * -EDEADLK means there are no free fences | |
2393 | * no pending flips. | |
2394 | * | |
2395 | * This is propagated to atomic, but it uses | |
2396 | * -EDEADLK to force a locking recovery, so | |
2397 | * change the returned error to -EBUSY. | |
2398 | */ | |
2399 | ret = -EBUSY; | |
2400 | goto err_unpin; | |
2401 | } else if (ret) | |
9a5a53b3 | 2402 | goto err_unpin; |
1690e1eb | 2403 | |
9a5a53b3 | 2404 | i915_gem_object_pin_fence(obj); |
6b95a207 | 2405 | |
d6dd6843 | 2406 | intel_runtime_pm_put(dev_priv); |
6b95a207 | 2407 | return 0; |
48b956c5 CW |
2408 | |
2409 | err_unpin: | |
f64b98cd | 2410 | i915_gem_object_unpin_from_display_plane(obj, &view); |
b26a6b35 | 2411 | err_pm: |
d6dd6843 | 2412 | intel_runtime_pm_put(dev_priv); |
48b956c5 | 2413 | return ret; |
6b95a207 KH |
2414 | } |
2415 | ||
82bc3b2d TU |
2416 | static void intel_unpin_fb_obj(struct drm_framebuffer *fb, |
2417 | const struct drm_plane_state *plane_state) | |
1690e1eb | 2418 | { |
82bc3b2d | 2419 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
f64b98cd TU |
2420 | struct i915_ggtt_view view; |
2421 | int ret; | |
82bc3b2d | 2422 | |
ebcdd39e MR |
2423 | WARN_ON(!mutex_is_locked(&obj->base.dev->struct_mutex)); |
2424 | ||
f64b98cd TU |
2425 | ret = intel_fill_fb_ggtt_view(&view, fb, plane_state); |
2426 | WARN_ONCE(ret, "Couldn't get view from plane state!"); | |
2427 | ||
1690e1eb | 2428 | i915_gem_object_unpin_fence(obj); |
f64b98cd | 2429 | i915_gem_object_unpin_from_display_plane(obj, &view); |
1690e1eb CW |
2430 | } |
2431 | ||
c2c75131 DV |
2432 | /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel |
2433 | * is assumed to be a power-of-two. */ | |
4e9a86b6 VS |
2434 | unsigned long intel_gen4_compute_page_offset(struct drm_i915_private *dev_priv, |
2435 | int *x, int *y, | |
bc752862 CW |
2436 | unsigned int tiling_mode, |
2437 | unsigned int cpp, | |
2438 | unsigned int pitch) | |
c2c75131 | 2439 | { |
bc752862 CW |
2440 | if (tiling_mode != I915_TILING_NONE) { |
2441 | unsigned int tile_rows, tiles; | |
c2c75131 | 2442 | |
bc752862 CW |
2443 | tile_rows = *y / 8; |
2444 | *y %= 8; | |
c2c75131 | 2445 | |
bc752862 CW |
2446 | tiles = *x / (512/cpp); |
2447 | *x %= 512/cpp; | |
2448 | ||
2449 | return tile_rows * pitch * 8 + tiles * 4096; | |
2450 | } else { | |
4e9a86b6 | 2451 | unsigned int alignment = intel_linear_alignment(dev_priv) - 1; |
bc752862 CW |
2452 | unsigned int offset; |
2453 | ||
2454 | offset = *y * pitch + *x * cpp; | |
4e9a86b6 VS |
2455 | *y = (offset & alignment) / pitch; |
2456 | *x = ((offset & alignment) - *y * pitch) / cpp; | |
2457 | return offset & ~alignment; | |
bc752862 | 2458 | } |
c2c75131 DV |
2459 | } |
2460 | ||
b35d63fa | 2461 | static int i9xx_format_to_fourcc(int format) |
46f297fb JB |
2462 | { |
2463 | switch (format) { | |
2464 | case DISPPLANE_8BPP: | |
2465 | return DRM_FORMAT_C8; | |
2466 | case DISPPLANE_BGRX555: | |
2467 | return DRM_FORMAT_XRGB1555; | |
2468 | case DISPPLANE_BGRX565: | |
2469 | return DRM_FORMAT_RGB565; | |
2470 | default: | |
2471 | case DISPPLANE_BGRX888: | |
2472 | return DRM_FORMAT_XRGB8888; | |
2473 | case DISPPLANE_RGBX888: | |
2474 | return DRM_FORMAT_XBGR8888; | |
2475 | case DISPPLANE_BGRX101010: | |
2476 | return DRM_FORMAT_XRGB2101010; | |
2477 | case DISPPLANE_RGBX101010: | |
2478 | return DRM_FORMAT_XBGR2101010; | |
2479 | } | |
2480 | } | |
2481 | ||
bc8d7dff DL |
2482 | static int skl_format_to_fourcc(int format, bool rgb_order, bool alpha) |
2483 | { | |
2484 | switch (format) { | |
2485 | case PLANE_CTL_FORMAT_RGB_565: | |
2486 | return DRM_FORMAT_RGB565; | |
2487 | default: | |
2488 | case PLANE_CTL_FORMAT_XRGB_8888: | |
2489 | if (rgb_order) { | |
2490 | if (alpha) | |
2491 | return DRM_FORMAT_ABGR8888; | |
2492 | else | |
2493 | return DRM_FORMAT_XBGR8888; | |
2494 | } else { | |
2495 | if (alpha) | |
2496 | return DRM_FORMAT_ARGB8888; | |
2497 | else | |
2498 | return DRM_FORMAT_XRGB8888; | |
2499 | } | |
2500 | case PLANE_CTL_FORMAT_XRGB_2101010: | |
2501 | if (rgb_order) | |
2502 | return DRM_FORMAT_XBGR2101010; | |
2503 | else | |
2504 | return DRM_FORMAT_XRGB2101010; | |
2505 | } | |
2506 | } | |
2507 | ||
5724dbd1 | 2508 | static bool |
f6936e29 DV |
2509 | intel_alloc_initial_plane_obj(struct intel_crtc *crtc, |
2510 | struct intel_initial_plane_config *plane_config) | |
46f297fb JB |
2511 | { |
2512 | struct drm_device *dev = crtc->base.dev; | |
3badb49f | 2513 | struct drm_i915_private *dev_priv = to_i915(dev); |
46f297fb JB |
2514 | struct drm_i915_gem_object *obj = NULL; |
2515 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; | |
2d14030b | 2516 | struct drm_framebuffer *fb = &plane_config->fb->base; |
f37b5c2b DV |
2517 | u32 base_aligned = round_down(plane_config->base, PAGE_SIZE); |
2518 | u32 size_aligned = round_up(plane_config->base + plane_config->size, | |
2519 | PAGE_SIZE); | |
2520 | ||
2521 | size_aligned -= base_aligned; | |
46f297fb | 2522 | |
ff2652ea CW |
2523 | if (plane_config->size == 0) |
2524 | return false; | |
2525 | ||
3badb49f PZ |
2526 | /* If the FB is too big, just don't use it since fbdev is not very |
2527 | * important and we should probably use that space with FBC or other | |
2528 | * features. */ | |
2529 | if (size_aligned * 2 > dev_priv->gtt.stolen_usable_size) | |
2530 | return false; | |
2531 | ||
f37b5c2b DV |
2532 | obj = i915_gem_object_create_stolen_for_preallocated(dev, |
2533 | base_aligned, | |
2534 | base_aligned, | |
2535 | size_aligned); | |
46f297fb | 2536 | if (!obj) |
484b41dd | 2537 | return false; |
46f297fb | 2538 | |
49af449b DL |
2539 | obj->tiling_mode = plane_config->tiling; |
2540 | if (obj->tiling_mode == I915_TILING_X) | |
6bf129df | 2541 | obj->stride = fb->pitches[0]; |
46f297fb | 2542 | |
6bf129df DL |
2543 | mode_cmd.pixel_format = fb->pixel_format; |
2544 | mode_cmd.width = fb->width; | |
2545 | mode_cmd.height = fb->height; | |
2546 | mode_cmd.pitches[0] = fb->pitches[0]; | |
18c5247e DV |
2547 | mode_cmd.modifier[0] = fb->modifier[0]; |
2548 | mode_cmd.flags = DRM_MODE_FB_MODIFIERS; | |
46f297fb JB |
2549 | |
2550 | mutex_lock(&dev->struct_mutex); | |
6bf129df | 2551 | if (intel_framebuffer_init(dev, to_intel_framebuffer(fb), |
484b41dd | 2552 | &mode_cmd, obj)) { |
46f297fb JB |
2553 | DRM_DEBUG_KMS("intel fb init failed\n"); |
2554 | goto out_unref_obj; | |
2555 | } | |
46f297fb | 2556 | mutex_unlock(&dev->struct_mutex); |
484b41dd | 2557 | |
f6936e29 | 2558 | DRM_DEBUG_KMS("initial plane fb obj %p\n", obj); |
484b41dd | 2559 | return true; |
46f297fb JB |
2560 | |
2561 | out_unref_obj: | |
2562 | drm_gem_object_unreference(&obj->base); | |
2563 | mutex_unlock(&dev->struct_mutex); | |
484b41dd JB |
2564 | return false; |
2565 | } | |
2566 | ||
afd65eb4 MR |
2567 | /* Update plane->state->fb to match plane->fb after driver-internal updates */ |
2568 | static void | |
2569 | update_state_fb(struct drm_plane *plane) | |
2570 | { | |
2571 | if (plane->fb == plane->state->fb) | |
2572 | return; | |
2573 | ||
2574 | if (plane->state->fb) | |
2575 | drm_framebuffer_unreference(plane->state->fb); | |
2576 | plane->state->fb = plane->fb; | |
2577 | if (plane->state->fb) | |
2578 | drm_framebuffer_reference(plane->state->fb); | |
2579 | } | |
2580 | ||
5724dbd1 | 2581 | static void |
f6936e29 DV |
2582 | intel_find_initial_plane_obj(struct intel_crtc *intel_crtc, |
2583 | struct intel_initial_plane_config *plane_config) | |
484b41dd JB |
2584 | { |
2585 | struct drm_device *dev = intel_crtc->base.dev; | |
d9ceb816 | 2586 | struct drm_i915_private *dev_priv = dev->dev_private; |
484b41dd JB |
2587 | struct drm_crtc *c; |
2588 | struct intel_crtc *i; | |
2ff8fde1 | 2589 | struct drm_i915_gem_object *obj; |
88595ac9 | 2590 | struct drm_plane *primary = intel_crtc->base.primary; |
be5651f2 | 2591 | struct drm_plane_state *plane_state = primary->state; |
88595ac9 | 2592 | struct drm_framebuffer *fb; |
484b41dd | 2593 | |
2d14030b | 2594 | if (!plane_config->fb) |
484b41dd JB |
2595 | return; |
2596 | ||
f6936e29 | 2597 | if (intel_alloc_initial_plane_obj(intel_crtc, plane_config)) { |
88595ac9 DV |
2598 | fb = &plane_config->fb->base; |
2599 | goto valid_fb; | |
f55548b5 | 2600 | } |
484b41dd | 2601 | |
2d14030b | 2602 | kfree(plane_config->fb); |
484b41dd JB |
2603 | |
2604 | /* | |
2605 | * Failed to alloc the obj, check to see if we should share | |
2606 | * an fb with another CRTC instead | |
2607 | */ | |
70e1e0ec | 2608 | for_each_crtc(dev, c) { |
484b41dd JB |
2609 | i = to_intel_crtc(c); |
2610 | ||
2611 | if (c == &intel_crtc->base) | |
2612 | continue; | |
2613 | ||
2ff8fde1 MR |
2614 | if (!i->active) |
2615 | continue; | |
2616 | ||
88595ac9 DV |
2617 | fb = c->primary->fb; |
2618 | if (!fb) | |
484b41dd JB |
2619 | continue; |
2620 | ||
88595ac9 | 2621 | obj = intel_fb_obj(fb); |
2ff8fde1 | 2622 | if (i915_gem_obj_ggtt_offset(obj) == plane_config->base) { |
88595ac9 DV |
2623 | drm_framebuffer_reference(fb); |
2624 | goto valid_fb; | |
484b41dd JB |
2625 | } |
2626 | } | |
88595ac9 DV |
2627 | |
2628 | return; | |
2629 | ||
2630 | valid_fb: | |
be5651f2 ML |
2631 | plane_state->src_x = plane_state->src_y = 0; |
2632 | plane_state->src_w = fb->width << 16; | |
2633 | plane_state->src_h = fb->height << 16; | |
2634 | ||
2635 | plane_state->crtc_x = plane_state->src_y = 0; | |
2636 | plane_state->crtc_w = fb->width; | |
2637 | plane_state->crtc_h = fb->height; | |
2638 | ||
88595ac9 DV |
2639 | obj = intel_fb_obj(fb); |
2640 | if (obj->tiling_mode != I915_TILING_NONE) | |
2641 | dev_priv->preserve_bios_swizzle = true; | |
2642 | ||
be5651f2 ML |
2643 | drm_framebuffer_reference(fb); |
2644 | primary->fb = primary->state->fb = fb; | |
36750f28 | 2645 | primary->crtc = primary->state->crtc = &intel_crtc->base; |
36750f28 | 2646 | intel_crtc->base.state->plane_mask |= (1 << drm_plane_index(primary)); |
a9ff8714 | 2647 | obj->frontbuffer_bits |= to_intel_plane(primary)->frontbuffer_bit; |
46f297fb JB |
2648 | } |
2649 | ||
29b9bde6 DV |
2650 | static void i9xx_update_primary_plane(struct drm_crtc *crtc, |
2651 | struct drm_framebuffer *fb, | |
2652 | int x, int y) | |
81255565 JB |
2653 | { |
2654 | struct drm_device *dev = crtc->dev; | |
2655 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2656 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
2657 | struct drm_plane *primary = crtc->primary; |
2658 | bool visible = to_intel_plane_state(primary->state)->visible; | |
c9ba6fad | 2659 | struct drm_i915_gem_object *obj; |
81255565 | 2660 | int plane = intel_crtc->plane; |
e506a0c6 | 2661 | unsigned long linear_offset; |
81255565 | 2662 | u32 dspcntr; |
f45651ba | 2663 | u32 reg = DSPCNTR(plane); |
48404c1e | 2664 | int pixel_size; |
f45651ba | 2665 | |
b70709a6 | 2666 | if (!visible || !fb) { |
fdd508a6 VS |
2667 | I915_WRITE(reg, 0); |
2668 | if (INTEL_INFO(dev)->gen >= 4) | |
2669 | I915_WRITE(DSPSURF(plane), 0); | |
2670 | else | |
2671 | I915_WRITE(DSPADDR(plane), 0); | |
2672 | POSTING_READ(reg); | |
2673 | return; | |
2674 | } | |
2675 | ||
c9ba6fad VS |
2676 | obj = intel_fb_obj(fb); |
2677 | if (WARN_ON(obj == NULL)) | |
2678 | return; | |
2679 | ||
2680 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); | |
2681 | ||
f45651ba VS |
2682 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2683 | ||
fdd508a6 | 2684 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2685 | |
2686 | if (INTEL_INFO(dev)->gen < 4) { | |
2687 | if (intel_crtc->pipe == PIPE_B) | |
2688 | dspcntr |= DISPPLANE_SEL_PIPE_B; | |
2689 | ||
2690 | /* pipesrc and dspsize control the size that is scaled from, | |
2691 | * which should always be the user's requested size. | |
2692 | */ | |
2693 | I915_WRITE(DSPSIZE(plane), | |
6e3c9717 ACO |
2694 | ((intel_crtc->config->pipe_src_h - 1) << 16) | |
2695 | (intel_crtc->config->pipe_src_w - 1)); | |
f45651ba | 2696 | I915_WRITE(DSPPOS(plane), 0); |
c14b0485 VS |
2697 | } else if (IS_CHERRYVIEW(dev) && plane == PLANE_B) { |
2698 | I915_WRITE(PRIMSIZE(plane), | |
6e3c9717 ACO |
2699 | ((intel_crtc->config->pipe_src_h - 1) << 16) | |
2700 | (intel_crtc->config->pipe_src_w - 1)); | |
c14b0485 VS |
2701 | I915_WRITE(PRIMPOS(plane), 0); |
2702 | I915_WRITE(PRIMCNSTALPHA(plane), 0); | |
f45651ba | 2703 | } |
81255565 | 2704 | |
57779d06 VS |
2705 | switch (fb->pixel_format) { |
2706 | case DRM_FORMAT_C8: | |
81255565 JB |
2707 | dspcntr |= DISPPLANE_8BPP; |
2708 | break; | |
57779d06 | 2709 | case DRM_FORMAT_XRGB1555: |
57779d06 | 2710 | dspcntr |= DISPPLANE_BGRX555; |
81255565 | 2711 | break; |
57779d06 VS |
2712 | case DRM_FORMAT_RGB565: |
2713 | dspcntr |= DISPPLANE_BGRX565; | |
2714 | break; | |
2715 | case DRM_FORMAT_XRGB8888: | |
57779d06 VS |
2716 | dspcntr |= DISPPLANE_BGRX888; |
2717 | break; | |
2718 | case DRM_FORMAT_XBGR8888: | |
57779d06 VS |
2719 | dspcntr |= DISPPLANE_RGBX888; |
2720 | break; | |
2721 | case DRM_FORMAT_XRGB2101010: | |
57779d06 VS |
2722 | dspcntr |= DISPPLANE_BGRX101010; |
2723 | break; | |
2724 | case DRM_FORMAT_XBGR2101010: | |
57779d06 | 2725 | dspcntr |= DISPPLANE_RGBX101010; |
81255565 JB |
2726 | break; |
2727 | default: | |
baba133a | 2728 | BUG(); |
81255565 | 2729 | } |
57779d06 | 2730 | |
f45651ba VS |
2731 | if (INTEL_INFO(dev)->gen >= 4 && |
2732 | obj->tiling_mode != I915_TILING_NONE) | |
2733 | dspcntr |= DISPPLANE_TILED; | |
81255565 | 2734 | |
de1aa629 VS |
2735 | if (IS_G4X(dev)) |
2736 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; | |
2737 | ||
b9897127 | 2738 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
81255565 | 2739 | |
c2c75131 DV |
2740 | if (INTEL_INFO(dev)->gen >= 4) { |
2741 | intel_crtc->dspaddr_offset = | |
4e9a86b6 VS |
2742 | intel_gen4_compute_page_offset(dev_priv, |
2743 | &x, &y, obj->tiling_mode, | |
b9897127 | 2744 | pixel_size, |
bc752862 | 2745 | fb->pitches[0]); |
c2c75131 DV |
2746 | linear_offset -= intel_crtc->dspaddr_offset; |
2747 | } else { | |
e506a0c6 | 2748 | intel_crtc->dspaddr_offset = linear_offset; |
c2c75131 | 2749 | } |
e506a0c6 | 2750 | |
8e7d688b | 2751 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2752 | dspcntr |= DISPPLANE_ROTATE_180; |
2753 | ||
6e3c9717 ACO |
2754 | x += (intel_crtc->config->pipe_src_w - 1); |
2755 | y += (intel_crtc->config->pipe_src_h - 1); | |
48404c1e SJ |
2756 | |
2757 | /* Finding the last pixel of the last line of the display | |
2758 | data and adding to linear_offset*/ | |
2759 | linear_offset += | |
6e3c9717 ACO |
2760 | (intel_crtc->config->pipe_src_h - 1) * fb->pitches[0] + |
2761 | (intel_crtc->config->pipe_src_w - 1) * pixel_size; | |
48404c1e SJ |
2762 | } |
2763 | ||
2db3366b PZ |
2764 | intel_crtc->adjusted_x = x; |
2765 | intel_crtc->adjusted_y = y; | |
2766 | ||
48404c1e SJ |
2767 | I915_WRITE(reg, dspcntr); |
2768 | ||
01f2c773 | 2769 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
a6c45cf0 | 2770 | if (INTEL_INFO(dev)->gen >= 4) { |
85ba7b7d DV |
2771 | I915_WRITE(DSPSURF(plane), |
2772 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
5eddb70b | 2773 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); |
e506a0c6 | 2774 | I915_WRITE(DSPLINOFF(plane), linear_offset); |
5eddb70b | 2775 | } else |
f343c5f6 | 2776 | I915_WRITE(DSPADDR(plane), i915_gem_obj_ggtt_offset(obj) + linear_offset); |
5eddb70b | 2777 | POSTING_READ(reg); |
17638cd6 JB |
2778 | } |
2779 | ||
29b9bde6 DV |
2780 | static void ironlake_update_primary_plane(struct drm_crtc *crtc, |
2781 | struct drm_framebuffer *fb, | |
2782 | int x, int y) | |
17638cd6 JB |
2783 | { |
2784 | struct drm_device *dev = crtc->dev; | |
2785 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2786 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
2787 | struct drm_plane *primary = crtc->primary; |
2788 | bool visible = to_intel_plane_state(primary->state)->visible; | |
c9ba6fad | 2789 | struct drm_i915_gem_object *obj; |
17638cd6 | 2790 | int plane = intel_crtc->plane; |
e506a0c6 | 2791 | unsigned long linear_offset; |
17638cd6 | 2792 | u32 dspcntr; |
f45651ba | 2793 | u32 reg = DSPCNTR(plane); |
48404c1e | 2794 | int pixel_size; |
f45651ba | 2795 | |
b70709a6 | 2796 | if (!visible || !fb) { |
fdd508a6 VS |
2797 | I915_WRITE(reg, 0); |
2798 | I915_WRITE(DSPSURF(plane), 0); | |
2799 | POSTING_READ(reg); | |
2800 | return; | |
2801 | } | |
2802 | ||
c9ba6fad VS |
2803 | obj = intel_fb_obj(fb); |
2804 | if (WARN_ON(obj == NULL)) | |
2805 | return; | |
2806 | ||
2807 | pixel_size = drm_format_plane_cpp(fb->pixel_format, 0); | |
2808 | ||
f45651ba VS |
2809 | dspcntr = DISPPLANE_GAMMA_ENABLE; |
2810 | ||
fdd508a6 | 2811 | dspcntr |= DISPLAY_PLANE_ENABLE; |
f45651ba VS |
2812 | |
2813 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) | |
2814 | dspcntr |= DISPPLANE_PIPE_CSC_ENABLE; | |
17638cd6 | 2815 | |
57779d06 VS |
2816 | switch (fb->pixel_format) { |
2817 | case DRM_FORMAT_C8: | |
17638cd6 JB |
2818 | dspcntr |= DISPPLANE_8BPP; |
2819 | break; | |
57779d06 VS |
2820 | case DRM_FORMAT_RGB565: |
2821 | dspcntr |= DISPPLANE_BGRX565; | |
17638cd6 | 2822 | break; |
57779d06 | 2823 | case DRM_FORMAT_XRGB8888: |
57779d06 VS |
2824 | dspcntr |= DISPPLANE_BGRX888; |
2825 | break; | |
2826 | case DRM_FORMAT_XBGR8888: | |
57779d06 VS |
2827 | dspcntr |= DISPPLANE_RGBX888; |
2828 | break; | |
2829 | case DRM_FORMAT_XRGB2101010: | |
57779d06 VS |
2830 | dspcntr |= DISPPLANE_BGRX101010; |
2831 | break; | |
2832 | case DRM_FORMAT_XBGR2101010: | |
57779d06 | 2833 | dspcntr |= DISPPLANE_RGBX101010; |
17638cd6 JB |
2834 | break; |
2835 | default: | |
baba133a | 2836 | BUG(); |
17638cd6 JB |
2837 | } |
2838 | ||
2839 | if (obj->tiling_mode != I915_TILING_NONE) | |
2840 | dspcntr |= DISPPLANE_TILED; | |
17638cd6 | 2841 | |
f45651ba | 2842 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) |
1f5d76db | 2843 | dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE; |
17638cd6 | 2844 | |
b9897127 | 2845 | linear_offset = y * fb->pitches[0] + x * pixel_size; |
c2c75131 | 2846 | intel_crtc->dspaddr_offset = |
4e9a86b6 VS |
2847 | intel_gen4_compute_page_offset(dev_priv, |
2848 | &x, &y, obj->tiling_mode, | |
b9897127 | 2849 | pixel_size, |
bc752862 | 2850 | fb->pitches[0]); |
c2c75131 | 2851 | linear_offset -= intel_crtc->dspaddr_offset; |
8e7d688b | 2852 | if (crtc->primary->state->rotation == BIT(DRM_ROTATE_180)) { |
48404c1e SJ |
2853 | dspcntr |= DISPPLANE_ROTATE_180; |
2854 | ||
2855 | if (!IS_HASWELL(dev) && !IS_BROADWELL(dev)) { | |
6e3c9717 ACO |
2856 | x += (intel_crtc->config->pipe_src_w - 1); |
2857 | y += (intel_crtc->config->pipe_src_h - 1); | |
48404c1e SJ |
2858 | |
2859 | /* Finding the last pixel of the last line of the display | |
2860 | data and adding to linear_offset*/ | |
2861 | linear_offset += | |
6e3c9717 ACO |
2862 | (intel_crtc->config->pipe_src_h - 1) * fb->pitches[0] + |
2863 | (intel_crtc->config->pipe_src_w - 1) * pixel_size; | |
48404c1e SJ |
2864 | } |
2865 | } | |
2866 | ||
2db3366b PZ |
2867 | intel_crtc->adjusted_x = x; |
2868 | intel_crtc->adjusted_y = y; | |
2869 | ||
48404c1e | 2870 | I915_WRITE(reg, dspcntr); |
17638cd6 | 2871 | |
01f2c773 | 2872 | I915_WRITE(DSPSTRIDE(plane), fb->pitches[0]); |
85ba7b7d DV |
2873 | I915_WRITE(DSPSURF(plane), |
2874 | i915_gem_obj_ggtt_offset(obj) + intel_crtc->dspaddr_offset); | |
b3dc685e | 2875 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
bc1c91eb DL |
2876 | I915_WRITE(DSPOFFSET(plane), (y << 16) | x); |
2877 | } else { | |
2878 | I915_WRITE(DSPTILEOFF(plane), (y << 16) | x); | |
2879 | I915_WRITE(DSPLINOFF(plane), linear_offset); | |
2880 | } | |
17638cd6 | 2881 | POSTING_READ(reg); |
17638cd6 JB |
2882 | } |
2883 | ||
b321803d DL |
2884 | u32 intel_fb_stride_alignment(struct drm_device *dev, uint64_t fb_modifier, |
2885 | uint32_t pixel_format) | |
2886 | { | |
2887 | u32 bits_per_pixel = drm_format_plane_cpp(pixel_format, 0) * 8; | |
2888 | ||
2889 | /* | |
2890 | * The stride is either expressed as a multiple of 64 bytes | |
2891 | * chunks for linear buffers or in number of tiles for tiled | |
2892 | * buffers. | |
2893 | */ | |
2894 | switch (fb_modifier) { | |
2895 | case DRM_FORMAT_MOD_NONE: | |
2896 | return 64; | |
2897 | case I915_FORMAT_MOD_X_TILED: | |
2898 | if (INTEL_INFO(dev)->gen == 2) | |
2899 | return 128; | |
2900 | return 512; | |
2901 | case I915_FORMAT_MOD_Y_TILED: | |
2902 | /* No need to check for old gens and Y tiling since this is | |
2903 | * about the display engine and those will be blocked before | |
2904 | * we get here. | |
2905 | */ | |
2906 | return 128; | |
2907 | case I915_FORMAT_MOD_Yf_TILED: | |
2908 | if (bits_per_pixel == 8) | |
2909 | return 64; | |
2910 | else | |
2911 | return 128; | |
2912 | default: | |
2913 | MISSING_CASE(fb_modifier); | |
2914 | return 64; | |
2915 | } | |
2916 | } | |
2917 | ||
44eb0cb9 MK |
2918 | u32 intel_plane_obj_offset(struct intel_plane *intel_plane, |
2919 | struct drm_i915_gem_object *obj, | |
2920 | unsigned int plane) | |
121920fa | 2921 | { |
9abc4648 | 2922 | const struct i915_ggtt_view *view = &i915_ggtt_view_normal; |
dedf278c | 2923 | struct i915_vma *vma; |
44eb0cb9 | 2924 | u64 offset; |
121920fa TU |
2925 | |
2926 | if (intel_rotation_90_or_270(intel_plane->base.state->rotation)) | |
9abc4648 | 2927 | view = &i915_ggtt_view_rotated; |
121920fa | 2928 | |
dedf278c TU |
2929 | vma = i915_gem_obj_to_ggtt_view(obj, view); |
2930 | if (WARN(!vma, "ggtt vma for display object not found! (view=%u)\n", | |
2931 | view->type)) | |
2932 | return -1; | |
2933 | ||
44eb0cb9 | 2934 | offset = vma->node.start; |
dedf278c TU |
2935 | |
2936 | if (plane == 1) { | |
2937 | offset += vma->ggtt_view.rotation_info.uv_start_page * | |
2938 | PAGE_SIZE; | |
2939 | } | |
2940 | ||
44eb0cb9 MK |
2941 | WARN_ON(upper_32_bits(offset)); |
2942 | ||
2943 | return lower_32_bits(offset); | |
121920fa TU |
2944 | } |
2945 | ||
e435d6e5 ML |
2946 | static void skl_detach_scaler(struct intel_crtc *intel_crtc, int id) |
2947 | { | |
2948 | struct drm_device *dev = intel_crtc->base.dev; | |
2949 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2950 | ||
2951 | I915_WRITE(SKL_PS_CTRL(intel_crtc->pipe, id), 0); | |
2952 | I915_WRITE(SKL_PS_WIN_POS(intel_crtc->pipe, id), 0); | |
2953 | I915_WRITE(SKL_PS_WIN_SZ(intel_crtc->pipe, id), 0); | |
e435d6e5 ML |
2954 | } |
2955 | ||
a1b2278e CK |
2956 | /* |
2957 | * This function detaches (aka. unbinds) unused scalers in hardware | |
2958 | */ | |
0583236e | 2959 | static void skl_detach_scalers(struct intel_crtc *intel_crtc) |
a1b2278e | 2960 | { |
a1b2278e CK |
2961 | struct intel_crtc_scaler_state *scaler_state; |
2962 | int i; | |
2963 | ||
a1b2278e CK |
2964 | scaler_state = &intel_crtc->config->scaler_state; |
2965 | ||
2966 | /* loop through and disable scalers that aren't in use */ | |
2967 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
e435d6e5 ML |
2968 | if (!scaler_state->scalers[i].in_use) |
2969 | skl_detach_scaler(intel_crtc, i); | |
a1b2278e CK |
2970 | } |
2971 | } | |
2972 | ||
6156a456 | 2973 | u32 skl_plane_ctl_format(uint32_t pixel_format) |
70d21f0e | 2974 | { |
6156a456 | 2975 | switch (pixel_format) { |
d161cf7a | 2976 | case DRM_FORMAT_C8: |
c34ce3d1 | 2977 | return PLANE_CTL_FORMAT_INDEXED; |
70d21f0e | 2978 | case DRM_FORMAT_RGB565: |
c34ce3d1 | 2979 | return PLANE_CTL_FORMAT_RGB_565; |
70d21f0e | 2980 | case DRM_FORMAT_XBGR8888: |
c34ce3d1 | 2981 | return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX; |
6156a456 | 2982 | case DRM_FORMAT_XRGB8888: |
c34ce3d1 | 2983 | return PLANE_CTL_FORMAT_XRGB_8888; |
6156a456 CK |
2984 | /* |
2985 | * XXX: For ARBG/ABGR formats we default to expecting scanout buffers | |
2986 | * to be already pre-multiplied. We need to add a knob (or a different | |
2987 | * DRM_FORMAT) for user-space to configure that. | |
2988 | */ | |
f75fb42a | 2989 | case DRM_FORMAT_ABGR8888: |
c34ce3d1 | 2990 | return PLANE_CTL_FORMAT_XRGB_8888 | PLANE_CTL_ORDER_RGBX | |
6156a456 | 2991 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
6156a456 | 2992 | case DRM_FORMAT_ARGB8888: |
c34ce3d1 | 2993 | return PLANE_CTL_FORMAT_XRGB_8888 | |
6156a456 | 2994 | PLANE_CTL_ALPHA_SW_PREMULTIPLY; |
70d21f0e | 2995 | case DRM_FORMAT_XRGB2101010: |
c34ce3d1 | 2996 | return PLANE_CTL_FORMAT_XRGB_2101010; |
70d21f0e | 2997 | case DRM_FORMAT_XBGR2101010: |
c34ce3d1 | 2998 | return PLANE_CTL_ORDER_RGBX | PLANE_CTL_FORMAT_XRGB_2101010; |
6156a456 | 2999 | case DRM_FORMAT_YUYV: |
c34ce3d1 | 3000 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YUYV; |
6156a456 | 3001 | case DRM_FORMAT_YVYU: |
c34ce3d1 | 3002 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_YVYU; |
6156a456 | 3003 | case DRM_FORMAT_UYVY: |
c34ce3d1 | 3004 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_UYVY; |
6156a456 | 3005 | case DRM_FORMAT_VYUY: |
c34ce3d1 | 3006 | return PLANE_CTL_FORMAT_YUV422 | PLANE_CTL_YUV422_VYUY; |
70d21f0e | 3007 | default: |
4249eeef | 3008 | MISSING_CASE(pixel_format); |
70d21f0e | 3009 | } |
8cfcba41 | 3010 | |
c34ce3d1 | 3011 | return 0; |
6156a456 | 3012 | } |
70d21f0e | 3013 | |
6156a456 CK |
3014 | u32 skl_plane_ctl_tiling(uint64_t fb_modifier) |
3015 | { | |
6156a456 | 3016 | switch (fb_modifier) { |
30af77c4 | 3017 | case DRM_FORMAT_MOD_NONE: |
70d21f0e | 3018 | break; |
30af77c4 | 3019 | case I915_FORMAT_MOD_X_TILED: |
c34ce3d1 | 3020 | return PLANE_CTL_TILED_X; |
b321803d | 3021 | case I915_FORMAT_MOD_Y_TILED: |
c34ce3d1 | 3022 | return PLANE_CTL_TILED_Y; |
b321803d | 3023 | case I915_FORMAT_MOD_Yf_TILED: |
c34ce3d1 | 3024 | return PLANE_CTL_TILED_YF; |
70d21f0e | 3025 | default: |
6156a456 | 3026 | MISSING_CASE(fb_modifier); |
70d21f0e | 3027 | } |
8cfcba41 | 3028 | |
c34ce3d1 | 3029 | return 0; |
6156a456 | 3030 | } |
70d21f0e | 3031 | |
6156a456 CK |
3032 | u32 skl_plane_ctl_rotation(unsigned int rotation) |
3033 | { | |
3b7a5119 | 3034 | switch (rotation) { |
6156a456 CK |
3035 | case BIT(DRM_ROTATE_0): |
3036 | break; | |
1e8df167 SJ |
3037 | /* |
3038 | * DRM_ROTATE_ is counter clockwise to stay compatible with Xrandr | |
3039 | * while i915 HW rotation is clockwise, thats why this swapping. | |
3040 | */ | |
3b7a5119 | 3041 | case BIT(DRM_ROTATE_90): |
1e8df167 | 3042 | return PLANE_CTL_ROTATE_270; |
3b7a5119 | 3043 | case BIT(DRM_ROTATE_180): |
c34ce3d1 | 3044 | return PLANE_CTL_ROTATE_180; |
3b7a5119 | 3045 | case BIT(DRM_ROTATE_270): |
1e8df167 | 3046 | return PLANE_CTL_ROTATE_90; |
6156a456 CK |
3047 | default: |
3048 | MISSING_CASE(rotation); | |
3049 | } | |
3050 | ||
c34ce3d1 | 3051 | return 0; |
6156a456 CK |
3052 | } |
3053 | ||
3054 | static void skylake_update_primary_plane(struct drm_crtc *crtc, | |
3055 | struct drm_framebuffer *fb, | |
3056 | int x, int y) | |
3057 | { | |
3058 | struct drm_device *dev = crtc->dev; | |
3059 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3060 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
b70709a6 ML |
3061 | struct drm_plane *plane = crtc->primary; |
3062 | bool visible = to_intel_plane_state(plane->state)->visible; | |
6156a456 CK |
3063 | struct drm_i915_gem_object *obj; |
3064 | int pipe = intel_crtc->pipe; | |
3065 | u32 plane_ctl, stride_div, stride; | |
3066 | u32 tile_height, plane_offset, plane_size; | |
3067 | unsigned int rotation; | |
3068 | int x_offset, y_offset; | |
44eb0cb9 | 3069 | u32 surf_addr; |
6156a456 CK |
3070 | struct intel_crtc_state *crtc_state = intel_crtc->config; |
3071 | struct intel_plane_state *plane_state; | |
3072 | int src_x = 0, src_y = 0, src_w = 0, src_h = 0; | |
3073 | int dst_x = 0, dst_y = 0, dst_w = 0, dst_h = 0; | |
3074 | int scaler_id = -1; | |
3075 | ||
6156a456 CK |
3076 | plane_state = to_intel_plane_state(plane->state); |
3077 | ||
b70709a6 | 3078 | if (!visible || !fb) { |
6156a456 CK |
3079 | I915_WRITE(PLANE_CTL(pipe, 0), 0); |
3080 | I915_WRITE(PLANE_SURF(pipe, 0), 0); | |
3081 | POSTING_READ(PLANE_CTL(pipe, 0)); | |
3082 | return; | |
3b7a5119 | 3083 | } |
70d21f0e | 3084 | |
6156a456 CK |
3085 | plane_ctl = PLANE_CTL_ENABLE | |
3086 | PLANE_CTL_PIPE_GAMMA_ENABLE | | |
3087 | PLANE_CTL_PIPE_CSC_ENABLE; | |
3088 | ||
3089 | plane_ctl |= skl_plane_ctl_format(fb->pixel_format); | |
3090 | plane_ctl |= skl_plane_ctl_tiling(fb->modifier[0]); | |
3091 | plane_ctl |= PLANE_CTL_PLANE_GAMMA_DISABLE; | |
3092 | ||
3093 | rotation = plane->state->rotation; | |
3094 | plane_ctl |= skl_plane_ctl_rotation(rotation); | |
3095 | ||
b321803d DL |
3096 | obj = intel_fb_obj(fb); |
3097 | stride_div = intel_fb_stride_alignment(dev, fb->modifier[0], | |
3098 | fb->pixel_format); | |
dedf278c | 3099 | surf_addr = intel_plane_obj_offset(to_intel_plane(plane), obj, 0); |
3b7a5119 | 3100 | |
a42e5a23 PZ |
3101 | WARN_ON(drm_rect_width(&plane_state->src) == 0); |
3102 | ||
3103 | scaler_id = plane_state->scaler_id; | |
3104 | src_x = plane_state->src.x1 >> 16; | |
3105 | src_y = plane_state->src.y1 >> 16; | |
3106 | src_w = drm_rect_width(&plane_state->src) >> 16; | |
3107 | src_h = drm_rect_height(&plane_state->src) >> 16; | |
3108 | dst_x = plane_state->dst.x1; | |
3109 | dst_y = plane_state->dst.y1; | |
3110 | dst_w = drm_rect_width(&plane_state->dst); | |
3111 | dst_h = drm_rect_height(&plane_state->dst); | |
3112 | ||
3113 | WARN_ON(x != src_x || y != src_y); | |
6156a456 | 3114 | |
3b7a5119 SJ |
3115 | if (intel_rotation_90_or_270(rotation)) { |
3116 | /* stride = Surface height in tiles */ | |
2614f17d | 3117 | tile_height = intel_tile_height(dev, fb->pixel_format, |
fe47ea0c | 3118 | fb->modifier[0], 0); |
3b7a5119 | 3119 | stride = DIV_ROUND_UP(fb->height, tile_height); |
6156a456 | 3120 | x_offset = stride * tile_height - y - src_h; |
3b7a5119 | 3121 | y_offset = x; |
6156a456 | 3122 | plane_size = (src_w - 1) << 16 | (src_h - 1); |
3b7a5119 SJ |
3123 | } else { |
3124 | stride = fb->pitches[0] / stride_div; | |
3125 | x_offset = x; | |
3126 | y_offset = y; | |
6156a456 | 3127 | plane_size = (src_h - 1) << 16 | (src_w - 1); |
3b7a5119 SJ |
3128 | } |
3129 | plane_offset = y_offset << 16 | x_offset; | |
b321803d | 3130 | |
2db3366b PZ |
3131 | intel_crtc->adjusted_x = x_offset; |
3132 | intel_crtc->adjusted_y = y_offset; | |
3133 | ||
70d21f0e | 3134 | I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl); |
3b7a5119 SJ |
3135 | I915_WRITE(PLANE_OFFSET(pipe, 0), plane_offset); |
3136 | I915_WRITE(PLANE_SIZE(pipe, 0), plane_size); | |
3137 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
6156a456 CK |
3138 | |
3139 | if (scaler_id >= 0) { | |
3140 | uint32_t ps_ctrl = 0; | |
3141 | ||
3142 | WARN_ON(!dst_w || !dst_h); | |
3143 | ps_ctrl = PS_SCALER_EN | PS_PLANE_SEL(0) | | |
3144 | crtc_state->scaler_state.scalers[scaler_id].mode; | |
3145 | I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), ps_ctrl); | |
3146 | I915_WRITE(SKL_PS_PWR_GATE(pipe, scaler_id), 0); | |
3147 | I915_WRITE(SKL_PS_WIN_POS(pipe, scaler_id), (dst_x << 16) | dst_y); | |
3148 | I915_WRITE(SKL_PS_WIN_SZ(pipe, scaler_id), (dst_w << 16) | dst_h); | |
3149 | I915_WRITE(PLANE_POS(pipe, 0), 0); | |
3150 | } else { | |
3151 | I915_WRITE(PLANE_POS(pipe, 0), (dst_y << 16) | dst_x); | |
3152 | } | |
3153 | ||
121920fa | 3154 | I915_WRITE(PLANE_SURF(pipe, 0), surf_addr); |
70d21f0e DL |
3155 | |
3156 | POSTING_READ(PLANE_SURF(pipe, 0)); | |
3157 | } | |
3158 | ||
17638cd6 JB |
3159 | /* Assume fb object is pinned & idle & fenced and just update base pointers */ |
3160 | static int | |
3161 | intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
3162 | int x, int y, enum mode_set_atomic state) | |
3163 | { | |
3164 | struct drm_device *dev = crtc->dev; | |
3165 | struct drm_i915_private *dev_priv = dev->dev_private; | |
17638cd6 | 3166 | |
ff2a3117 | 3167 | if (dev_priv->fbc.disable_fbc) |
7733b49b | 3168 | dev_priv->fbc.disable_fbc(dev_priv); |
81255565 | 3169 | |
29b9bde6 DV |
3170 | dev_priv->display.update_primary_plane(crtc, fb, x, y); |
3171 | ||
3172 | return 0; | |
81255565 JB |
3173 | } |
3174 | ||
7514747d | 3175 | static void intel_complete_page_flips(struct drm_device *dev) |
96a02917 | 3176 | { |
96a02917 VS |
3177 | struct drm_crtc *crtc; |
3178 | ||
70e1e0ec | 3179 | for_each_crtc(dev, crtc) { |
96a02917 VS |
3180 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
3181 | enum plane plane = intel_crtc->plane; | |
3182 | ||
3183 | intel_prepare_page_flip(dev, plane); | |
3184 | intel_finish_page_flip_plane(dev, plane); | |
3185 | } | |
7514747d VS |
3186 | } |
3187 | ||
3188 | static void intel_update_primary_planes(struct drm_device *dev) | |
3189 | { | |
7514747d | 3190 | struct drm_crtc *crtc; |
96a02917 | 3191 | |
70e1e0ec | 3192 | for_each_crtc(dev, crtc) { |
11c22da6 ML |
3193 | struct intel_plane *plane = to_intel_plane(crtc->primary); |
3194 | struct intel_plane_state *plane_state; | |
96a02917 | 3195 | |
11c22da6 | 3196 | drm_modeset_lock_crtc(crtc, &plane->base); |
11c22da6 ML |
3197 | plane_state = to_intel_plane_state(plane->base.state); |
3198 | ||
f029ee82 | 3199 | if (crtc->state->active && plane_state->base.fb) |
11c22da6 ML |
3200 | plane->commit_plane(&plane->base, plane_state); |
3201 | ||
3202 | drm_modeset_unlock_crtc(crtc); | |
96a02917 VS |
3203 | } |
3204 | } | |
3205 | ||
7514747d VS |
3206 | void intel_prepare_reset(struct drm_device *dev) |
3207 | { | |
3208 | /* no reset support for gen2 */ | |
3209 | if (IS_GEN2(dev)) | |
3210 | return; | |
3211 | ||
3212 | /* reset doesn't touch the display */ | |
3213 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) | |
3214 | return; | |
3215 | ||
3216 | drm_modeset_lock_all(dev); | |
f98ce92f VS |
3217 | /* |
3218 | * Disabling the crtcs gracefully seems nicer. Also the | |
3219 | * g33 docs say we should at least disable all the planes. | |
3220 | */ | |
6b72d486 | 3221 | intel_display_suspend(dev); |
7514747d VS |
3222 | } |
3223 | ||
3224 | void intel_finish_reset(struct drm_device *dev) | |
3225 | { | |
3226 | struct drm_i915_private *dev_priv = to_i915(dev); | |
3227 | ||
3228 | /* | |
3229 | * Flips in the rings will be nuked by the reset, | |
3230 | * so complete all pending flips so that user space | |
3231 | * will get its events and not get stuck. | |
3232 | */ | |
3233 | intel_complete_page_flips(dev); | |
3234 | ||
3235 | /* no reset support for gen2 */ | |
3236 | if (IS_GEN2(dev)) | |
3237 | return; | |
3238 | ||
3239 | /* reset doesn't touch the display */ | |
3240 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) { | |
3241 | /* | |
3242 | * Flips in the rings have been nuked by the reset, | |
3243 | * so update the base address of all primary | |
3244 | * planes to the the last fb to make sure we're | |
3245 | * showing the correct fb after a reset. | |
11c22da6 ML |
3246 | * |
3247 | * FIXME: Atomic will make this obsolete since we won't schedule | |
3248 | * CS-based flips (which might get lost in gpu resets) any more. | |
7514747d VS |
3249 | */ |
3250 | intel_update_primary_planes(dev); | |
3251 | return; | |
3252 | } | |
3253 | ||
3254 | /* | |
3255 | * The display has been reset as well, | |
3256 | * so need a full re-initialization. | |
3257 | */ | |
3258 | intel_runtime_pm_disable_interrupts(dev_priv); | |
3259 | intel_runtime_pm_enable_interrupts(dev_priv); | |
3260 | ||
3261 | intel_modeset_init_hw(dev); | |
3262 | ||
3263 | spin_lock_irq(&dev_priv->irq_lock); | |
3264 | if (dev_priv->display.hpd_irq_setup) | |
3265 | dev_priv->display.hpd_irq_setup(dev); | |
3266 | spin_unlock_irq(&dev_priv->irq_lock); | |
3267 | ||
043e9bda | 3268 | intel_display_resume(dev); |
7514747d VS |
3269 | |
3270 | intel_hpd_init(dev_priv); | |
3271 | ||
3272 | drm_modeset_unlock_all(dev); | |
3273 | } | |
3274 | ||
7d5e3799 CW |
3275 | static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) |
3276 | { | |
3277 | struct drm_device *dev = crtc->dev; | |
3278 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3279 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
7d5e3799 CW |
3280 | bool pending; |
3281 | ||
3282 | if (i915_reset_in_progress(&dev_priv->gpu_error) || | |
3283 | intel_crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
3284 | return false; | |
3285 | ||
5e2d7afc | 3286 | spin_lock_irq(&dev->event_lock); |
7d5e3799 | 3287 | pending = to_intel_crtc(crtc)->unpin_work != NULL; |
5e2d7afc | 3288 | spin_unlock_irq(&dev->event_lock); |
7d5e3799 CW |
3289 | |
3290 | return pending; | |
3291 | } | |
3292 | ||
bfd16b2a ML |
3293 | static void intel_update_pipe_config(struct intel_crtc *crtc, |
3294 | struct intel_crtc_state *old_crtc_state) | |
e30e8f75 GP |
3295 | { |
3296 | struct drm_device *dev = crtc->base.dev; | |
3297 | struct drm_i915_private *dev_priv = dev->dev_private; | |
bfd16b2a ML |
3298 | struct intel_crtc_state *pipe_config = |
3299 | to_intel_crtc_state(crtc->base.state); | |
e30e8f75 | 3300 | |
bfd16b2a ML |
3301 | /* drm_atomic_helper_update_legacy_modeset_state might not be called. */ |
3302 | crtc->base.mode = crtc->base.state->mode; | |
3303 | ||
3304 | DRM_DEBUG_KMS("Updating pipe size %ix%i -> %ix%i\n", | |
3305 | old_crtc_state->pipe_src_w, old_crtc_state->pipe_src_h, | |
3306 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
e30e8f75 | 3307 | |
44522d85 ML |
3308 | if (HAS_DDI(dev)) |
3309 | intel_set_pipe_csc(&crtc->base); | |
3310 | ||
e30e8f75 GP |
3311 | /* |
3312 | * Update pipe size and adjust fitter if needed: the reason for this is | |
3313 | * that in compute_mode_changes we check the native mode (not the pfit | |
3314 | * mode) to see if we can flip rather than do a full mode set. In the | |
3315 | * fastboot case, we'll flip, but if we don't update the pipesrc and | |
3316 | * pfit state, we'll end up with a big fb scanned out into the wrong | |
3317 | * sized surface. | |
e30e8f75 GP |
3318 | */ |
3319 | ||
e30e8f75 | 3320 | I915_WRITE(PIPESRC(crtc->pipe), |
bfd16b2a ML |
3321 | ((pipe_config->pipe_src_w - 1) << 16) | |
3322 | (pipe_config->pipe_src_h - 1)); | |
3323 | ||
3324 | /* on skylake this is done by detaching scalers */ | |
3325 | if (INTEL_INFO(dev)->gen >= 9) { | |
3326 | skl_detach_scalers(crtc); | |
3327 | ||
3328 | if (pipe_config->pch_pfit.enabled) | |
3329 | skylake_pfit_enable(crtc); | |
3330 | } else if (HAS_PCH_SPLIT(dev)) { | |
3331 | if (pipe_config->pch_pfit.enabled) | |
3332 | ironlake_pfit_enable(crtc); | |
3333 | else if (old_crtc_state->pch_pfit.enabled) | |
3334 | ironlake_pfit_disable(crtc, true); | |
e30e8f75 | 3335 | } |
e30e8f75 GP |
3336 | } |
3337 | ||
5e84e1a4 ZW |
3338 | static void intel_fdi_normal_train(struct drm_crtc *crtc) |
3339 | { | |
3340 | struct drm_device *dev = crtc->dev; | |
3341 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3342 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3343 | int pipe = intel_crtc->pipe; | |
3344 | u32 reg, temp; | |
3345 | ||
3346 | /* enable normal train */ | |
3347 | reg = FDI_TX_CTL(pipe); | |
3348 | temp = I915_READ(reg); | |
61e499bf | 3349 | if (IS_IVYBRIDGE(dev)) { |
357555c0 JB |
3350 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3351 | temp |= FDI_LINK_TRAIN_NONE_IVB | FDI_TX_ENHANCE_FRAME_ENABLE; | |
61e499bf KP |
3352 | } else { |
3353 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3354 | temp |= FDI_LINK_TRAIN_NONE | FDI_TX_ENHANCE_FRAME_ENABLE; | |
357555c0 | 3355 | } |
5e84e1a4 ZW |
3356 | I915_WRITE(reg, temp); |
3357 | ||
3358 | reg = FDI_RX_CTL(pipe); | |
3359 | temp = I915_READ(reg); | |
3360 | if (HAS_PCH_CPT(dev)) { | |
3361 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3362 | temp |= FDI_LINK_TRAIN_NORMAL_CPT; | |
3363 | } else { | |
3364 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3365 | temp |= FDI_LINK_TRAIN_NONE; | |
3366 | } | |
3367 | I915_WRITE(reg, temp | FDI_RX_ENHANCE_FRAME_ENABLE); | |
3368 | ||
3369 | /* wait one idle pattern time */ | |
3370 | POSTING_READ(reg); | |
3371 | udelay(1000); | |
357555c0 JB |
3372 | |
3373 | /* IVB wants error correction enabled */ | |
3374 | if (IS_IVYBRIDGE(dev)) | |
3375 | I915_WRITE(reg, I915_READ(reg) | FDI_FS_ERRC_ENABLE | | |
3376 | FDI_FE_ERRC_ENABLE); | |
5e84e1a4 ZW |
3377 | } |
3378 | ||
8db9d77b ZW |
3379 | /* The FDI link training functions for ILK/Ibexpeak. */ |
3380 | static void ironlake_fdi_link_train(struct drm_crtc *crtc) | |
3381 | { | |
3382 | struct drm_device *dev = crtc->dev; | |
3383 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3384 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3385 | int pipe = intel_crtc->pipe; | |
5eddb70b | 3386 | u32 reg, temp, tries; |
8db9d77b | 3387 | |
1c8562f6 | 3388 | /* FDI needs bits from pipe first */ |
0fc932b8 | 3389 | assert_pipe_enabled(dev_priv, pipe); |
0fc932b8 | 3390 | |
e1a44743 AJ |
3391 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3392 | for train result */ | |
5eddb70b CW |
3393 | reg = FDI_RX_IMR(pipe); |
3394 | temp = I915_READ(reg); | |
e1a44743 AJ |
3395 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3396 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3397 | I915_WRITE(reg, temp); |
3398 | I915_READ(reg); | |
e1a44743 AJ |
3399 | udelay(150); |
3400 | ||
8db9d77b | 3401 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3402 | reg = FDI_TX_CTL(pipe); |
3403 | temp = I915_READ(reg); | |
627eb5a3 | 3404 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3405 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3406 | temp &= ~FDI_LINK_TRAIN_NONE; |
3407 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b | 3408 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3409 | |
5eddb70b CW |
3410 | reg = FDI_RX_CTL(pipe); |
3411 | temp = I915_READ(reg); | |
8db9d77b ZW |
3412 | temp &= ~FDI_LINK_TRAIN_NONE; |
3413 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
5eddb70b CW |
3414 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3415 | ||
3416 | POSTING_READ(reg); | |
8db9d77b ZW |
3417 | udelay(150); |
3418 | ||
5b2adf89 | 3419 | /* Ironlake workaround, enable clock pointer after FDI enable*/ |
8f5718a6 DV |
3420 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
3421 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR | | |
3422 | FDI_RX_PHASE_SYNC_POINTER_EN); | |
5b2adf89 | 3423 | |
5eddb70b | 3424 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3425 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3426 | temp = I915_READ(reg); |
8db9d77b ZW |
3427 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3428 | ||
3429 | if ((temp & FDI_RX_BIT_LOCK)) { | |
3430 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
5eddb70b | 3431 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); |
8db9d77b ZW |
3432 | break; |
3433 | } | |
8db9d77b | 3434 | } |
e1a44743 | 3435 | if (tries == 5) |
5eddb70b | 3436 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3437 | |
3438 | /* Train 2 */ | |
5eddb70b CW |
3439 | reg = FDI_TX_CTL(pipe); |
3440 | temp = I915_READ(reg); | |
8db9d77b ZW |
3441 | temp &= ~FDI_LINK_TRAIN_NONE; |
3442 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3443 | I915_WRITE(reg, temp); |
8db9d77b | 3444 | |
5eddb70b CW |
3445 | reg = FDI_RX_CTL(pipe); |
3446 | temp = I915_READ(reg); | |
8db9d77b ZW |
3447 | temp &= ~FDI_LINK_TRAIN_NONE; |
3448 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
5eddb70b | 3449 | I915_WRITE(reg, temp); |
8db9d77b | 3450 | |
5eddb70b CW |
3451 | POSTING_READ(reg); |
3452 | udelay(150); | |
8db9d77b | 3453 | |
5eddb70b | 3454 | reg = FDI_RX_IIR(pipe); |
e1a44743 | 3455 | for (tries = 0; tries < 5; tries++) { |
5eddb70b | 3456 | temp = I915_READ(reg); |
8db9d77b ZW |
3457 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); |
3458 | ||
3459 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
5eddb70b | 3460 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); |
8db9d77b ZW |
3461 | DRM_DEBUG_KMS("FDI train 2 done.\n"); |
3462 | break; | |
3463 | } | |
8db9d77b | 3464 | } |
e1a44743 | 3465 | if (tries == 5) |
5eddb70b | 3466 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3467 | |
3468 | DRM_DEBUG_KMS("FDI train done\n"); | |
5c5313c8 | 3469 | |
8db9d77b ZW |
3470 | } |
3471 | ||
0206e353 | 3472 | static const int snb_b_fdi_train_param[] = { |
8db9d77b ZW |
3473 | FDI_LINK_TRAIN_400MV_0DB_SNB_B, |
3474 | FDI_LINK_TRAIN_400MV_6DB_SNB_B, | |
3475 | FDI_LINK_TRAIN_600MV_3_5DB_SNB_B, | |
3476 | FDI_LINK_TRAIN_800MV_0DB_SNB_B, | |
3477 | }; | |
3478 | ||
3479 | /* The FDI link training functions for SNB/Cougarpoint. */ | |
3480 | static void gen6_fdi_link_train(struct drm_crtc *crtc) | |
3481 | { | |
3482 | struct drm_device *dev = crtc->dev; | |
3483 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3484 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3485 | int pipe = intel_crtc->pipe; | |
fa37d39e | 3486 | u32 reg, temp, i, retry; |
8db9d77b | 3487 | |
e1a44743 AJ |
3488 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit |
3489 | for train result */ | |
5eddb70b CW |
3490 | reg = FDI_RX_IMR(pipe); |
3491 | temp = I915_READ(reg); | |
e1a44743 AJ |
3492 | temp &= ~FDI_RX_SYMBOL_LOCK; |
3493 | temp &= ~FDI_RX_BIT_LOCK; | |
5eddb70b CW |
3494 | I915_WRITE(reg, temp); |
3495 | ||
3496 | POSTING_READ(reg); | |
e1a44743 AJ |
3497 | udelay(150); |
3498 | ||
8db9d77b | 3499 | /* enable CPU FDI TX and PCH FDI RX */ |
5eddb70b CW |
3500 | reg = FDI_TX_CTL(pipe); |
3501 | temp = I915_READ(reg); | |
627eb5a3 | 3502 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3503 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
8db9d77b ZW |
3504 | temp &= ~FDI_LINK_TRAIN_NONE; |
3505 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3506 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3507 | /* SNB-B */ | |
3508 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
5eddb70b | 3509 | I915_WRITE(reg, temp | FDI_TX_ENABLE); |
8db9d77b | 3510 | |
d74cf324 DV |
3511 | I915_WRITE(FDI_RX_MISC(pipe), |
3512 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
3513 | ||
5eddb70b CW |
3514 | reg = FDI_RX_CTL(pipe); |
3515 | temp = I915_READ(reg); | |
8db9d77b ZW |
3516 | if (HAS_PCH_CPT(dev)) { |
3517 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3518 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3519 | } else { | |
3520 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3521 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3522 | } | |
5eddb70b CW |
3523 | I915_WRITE(reg, temp | FDI_RX_ENABLE); |
3524 | ||
3525 | POSTING_READ(reg); | |
8db9d77b ZW |
3526 | udelay(150); |
3527 | ||
0206e353 | 3528 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3529 | reg = FDI_TX_CTL(pipe); |
3530 | temp = I915_READ(reg); | |
8db9d77b ZW |
3531 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3532 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3533 | I915_WRITE(reg, temp); |
3534 | ||
3535 | POSTING_READ(reg); | |
8db9d77b ZW |
3536 | udelay(500); |
3537 | ||
fa37d39e SP |
3538 | for (retry = 0; retry < 5; retry++) { |
3539 | reg = FDI_RX_IIR(pipe); | |
3540 | temp = I915_READ(reg); | |
3541 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3542 | if (temp & FDI_RX_BIT_LOCK) { | |
3543 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3544 | DRM_DEBUG_KMS("FDI train 1 done.\n"); | |
3545 | break; | |
3546 | } | |
3547 | udelay(50); | |
8db9d77b | 3548 | } |
fa37d39e SP |
3549 | if (retry < 5) |
3550 | break; | |
8db9d77b ZW |
3551 | } |
3552 | if (i == 4) | |
5eddb70b | 3553 | DRM_ERROR("FDI train 1 fail!\n"); |
8db9d77b ZW |
3554 | |
3555 | /* Train 2 */ | |
5eddb70b CW |
3556 | reg = FDI_TX_CTL(pipe); |
3557 | temp = I915_READ(reg); | |
8db9d77b ZW |
3558 | temp &= ~FDI_LINK_TRAIN_NONE; |
3559 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3560 | if (IS_GEN6(dev)) { | |
3561 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; | |
3562 | /* SNB-B */ | |
3563 | temp |= FDI_LINK_TRAIN_400MV_0DB_SNB_B; | |
3564 | } | |
5eddb70b | 3565 | I915_WRITE(reg, temp); |
8db9d77b | 3566 | |
5eddb70b CW |
3567 | reg = FDI_RX_CTL(pipe); |
3568 | temp = I915_READ(reg); | |
8db9d77b ZW |
3569 | if (HAS_PCH_CPT(dev)) { |
3570 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3571 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
3572 | } else { | |
3573 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3574 | temp |= FDI_LINK_TRAIN_PATTERN_2; | |
3575 | } | |
5eddb70b CW |
3576 | I915_WRITE(reg, temp); |
3577 | ||
3578 | POSTING_READ(reg); | |
8db9d77b ZW |
3579 | udelay(150); |
3580 | ||
0206e353 | 3581 | for (i = 0; i < 4; i++) { |
5eddb70b CW |
3582 | reg = FDI_TX_CTL(pipe); |
3583 | temp = I915_READ(reg); | |
8db9d77b ZW |
3584 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
3585 | temp |= snb_b_fdi_train_param[i]; | |
5eddb70b CW |
3586 | I915_WRITE(reg, temp); |
3587 | ||
3588 | POSTING_READ(reg); | |
8db9d77b ZW |
3589 | udelay(500); |
3590 | ||
fa37d39e SP |
3591 | for (retry = 0; retry < 5; retry++) { |
3592 | reg = FDI_RX_IIR(pipe); | |
3593 | temp = I915_READ(reg); | |
3594 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
3595 | if (temp & FDI_RX_SYMBOL_LOCK) { | |
3596 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3597 | DRM_DEBUG_KMS("FDI train 2 done.\n"); | |
3598 | break; | |
3599 | } | |
3600 | udelay(50); | |
8db9d77b | 3601 | } |
fa37d39e SP |
3602 | if (retry < 5) |
3603 | break; | |
8db9d77b ZW |
3604 | } |
3605 | if (i == 4) | |
5eddb70b | 3606 | DRM_ERROR("FDI train 2 fail!\n"); |
8db9d77b ZW |
3607 | |
3608 | DRM_DEBUG_KMS("FDI train done.\n"); | |
3609 | } | |
3610 | ||
357555c0 JB |
3611 | /* Manual link training for Ivy Bridge A0 parts */ |
3612 | static void ivb_manual_fdi_link_train(struct drm_crtc *crtc) | |
3613 | { | |
3614 | struct drm_device *dev = crtc->dev; | |
3615 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3616 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3617 | int pipe = intel_crtc->pipe; | |
139ccd3f | 3618 | u32 reg, temp, i, j; |
357555c0 JB |
3619 | |
3620 | /* Train 1: umask FDI RX Interrupt symbol_lock and bit_lock bit | |
3621 | for train result */ | |
3622 | reg = FDI_RX_IMR(pipe); | |
3623 | temp = I915_READ(reg); | |
3624 | temp &= ~FDI_RX_SYMBOL_LOCK; | |
3625 | temp &= ~FDI_RX_BIT_LOCK; | |
3626 | I915_WRITE(reg, temp); | |
3627 | ||
3628 | POSTING_READ(reg); | |
3629 | udelay(150); | |
3630 | ||
01a415fd DV |
3631 | DRM_DEBUG_KMS("FDI_RX_IIR before link train 0x%x\n", |
3632 | I915_READ(FDI_RX_IIR(pipe))); | |
3633 | ||
139ccd3f JB |
3634 | /* Try each vswing and preemphasis setting twice before moving on */ |
3635 | for (j = 0; j < ARRAY_SIZE(snb_b_fdi_train_param) * 2; j++) { | |
3636 | /* disable first in case we need to retry */ | |
3637 | reg = FDI_TX_CTL(pipe); | |
3638 | temp = I915_READ(reg); | |
3639 | temp &= ~(FDI_LINK_TRAIN_AUTO | FDI_LINK_TRAIN_NONE_IVB); | |
3640 | temp &= ~FDI_TX_ENABLE; | |
3641 | I915_WRITE(reg, temp); | |
357555c0 | 3642 | |
139ccd3f JB |
3643 | reg = FDI_RX_CTL(pipe); |
3644 | temp = I915_READ(reg); | |
3645 | temp &= ~FDI_LINK_TRAIN_AUTO; | |
3646 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3647 | temp &= ~FDI_RX_ENABLE; | |
3648 | I915_WRITE(reg, temp); | |
357555c0 | 3649 | |
139ccd3f | 3650 | /* enable CPU FDI TX and PCH FDI RX */ |
357555c0 JB |
3651 | reg = FDI_TX_CTL(pipe); |
3652 | temp = I915_READ(reg); | |
139ccd3f | 3653 | temp &= ~FDI_DP_PORT_WIDTH_MASK; |
6e3c9717 | 3654 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
139ccd3f | 3655 | temp |= FDI_LINK_TRAIN_PATTERN_1_IVB; |
357555c0 | 3656 | temp &= ~FDI_LINK_TRAIN_VOL_EMP_MASK; |
139ccd3f JB |
3657 | temp |= snb_b_fdi_train_param[j/2]; |
3658 | temp |= FDI_COMPOSITE_SYNC; | |
3659 | I915_WRITE(reg, temp | FDI_TX_ENABLE); | |
357555c0 | 3660 | |
139ccd3f JB |
3661 | I915_WRITE(FDI_RX_MISC(pipe), |
3662 | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); | |
357555c0 | 3663 | |
139ccd3f | 3664 | reg = FDI_RX_CTL(pipe); |
357555c0 | 3665 | temp = I915_READ(reg); |
139ccd3f JB |
3666 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; |
3667 | temp |= FDI_COMPOSITE_SYNC; | |
3668 | I915_WRITE(reg, temp | FDI_RX_ENABLE); | |
357555c0 | 3669 | |
139ccd3f JB |
3670 | POSTING_READ(reg); |
3671 | udelay(1); /* should be 0.5us */ | |
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_BIT_LOCK || |
3679 | (I915_READ(reg) & FDI_RX_BIT_LOCK)) { | |
3680 | I915_WRITE(reg, temp | FDI_RX_BIT_LOCK); | |
3681 | DRM_DEBUG_KMS("FDI train 1 done, level %i.\n", | |
3682 | i); | |
3683 | break; | |
3684 | } | |
3685 | udelay(1); /* should be 0.5us */ | |
3686 | } | |
3687 | if (i == 4) { | |
3688 | DRM_DEBUG_KMS("FDI train 1 fail on vswing %d\n", j / 2); | |
3689 | continue; | |
3690 | } | |
357555c0 | 3691 | |
139ccd3f | 3692 | /* Train 2 */ |
357555c0 JB |
3693 | reg = FDI_TX_CTL(pipe); |
3694 | temp = I915_READ(reg); | |
139ccd3f JB |
3695 | temp &= ~FDI_LINK_TRAIN_NONE_IVB; |
3696 | temp |= FDI_LINK_TRAIN_PATTERN_2_IVB; | |
3697 | I915_WRITE(reg, temp); | |
3698 | ||
3699 | reg = FDI_RX_CTL(pipe); | |
3700 | temp = I915_READ(reg); | |
3701 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3702 | temp |= FDI_LINK_TRAIN_PATTERN_2_CPT; | |
357555c0 JB |
3703 | I915_WRITE(reg, temp); |
3704 | ||
3705 | POSTING_READ(reg); | |
139ccd3f | 3706 | udelay(2); /* should be 1.5us */ |
357555c0 | 3707 | |
139ccd3f JB |
3708 | for (i = 0; i < 4; i++) { |
3709 | reg = FDI_RX_IIR(pipe); | |
3710 | temp = I915_READ(reg); | |
3711 | DRM_DEBUG_KMS("FDI_RX_IIR 0x%x\n", temp); | |
357555c0 | 3712 | |
139ccd3f JB |
3713 | if (temp & FDI_RX_SYMBOL_LOCK || |
3714 | (I915_READ(reg) & FDI_RX_SYMBOL_LOCK)) { | |
3715 | I915_WRITE(reg, temp | FDI_RX_SYMBOL_LOCK); | |
3716 | DRM_DEBUG_KMS("FDI train 2 done, level %i.\n", | |
3717 | i); | |
3718 | goto train_done; | |
3719 | } | |
3720 | udelay(2); /* should be 1.5us */ | |
357555c0 | 3721 | } |
139ccd3f JB |
3722 | if (i == 4) |
3723 | DRM_DEBUG_KMS("FDI train 2 fail on vswing %d\n", j / 2); | |
357555c0 | 3724 | } |
357555c0 | 3725 | |
139ccd3f | 3726 | train_done: |
357555c0 JB |
3727 | DRM_DEBUG_KMS("FDI train done.\n"); |
3728 | } | |
3729 | ||
88cefb6c | 3730 | static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc) |
2c07245f | 3731 | { |
88cefb6c | 3732 | struct drm_device *dev = intel_crtc->base.dev; |
2c07245f | 3733 | struct drm_i915_private *dev_priv = dev->dev_private; |
2c07245f | 3734 | int pipe = intel_crtc->pipe; |
5eddb70b | 3735 | u32 reg, temp; |
79e53945 | 3736 | |
c64e311e | 3737 | |
c98e9dcf | 3738 | /* enable PCH FDI RX PLL, wait warmup plus DMI latency */ |
5eddb70b CW |
3739 | reg = FDI_RX_CTL(pipe); |
3740 | temp = I915_READ(reg); | |
627eb5a3 | 3741 | temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16)); |
6e3c9717 | 3742 | temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes); |
dfd07d72 | 3743 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
5eddb70b CW |
3744 | I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE); |
3745 | ||
3746 | POSTING_READ(reg); | |
c98e9dcf JB |
3747 | udelay(200); |
3748 | ||
3749 | /* Switch from Rawclk to PCDclk */ | |
5eddb70b CW |
3750 | temp = I915_READ(reg); |
3751 | I915_WRITE(reg, temp | FDI_PCDCLK); | |
3752 | ||
3753 | POSTING_READ(reg); | |
c98e9dcf JB |
3754 | udelay(200); |
3755 | ||
20749730 PZ |
3756 | /* Enable CPU FDI TX PLL, always on for Ironlake */ |
3757 | reg = FDI_TX_CTL(pipe); | |
3758 | temp = I915_READ(reg); | |
3759 | if ((temp & FDI_TX_PLL_ENABLE) == 0) { | |
3760 | I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE); | |
5eddb70b | 3761 | |
20749730 PZ |
3762 | POSTING_READ(reg); |
3763 | udelay(100); | |
6be4a607 | 3764 | } |
0e23b99d JB |
3765 | } |
3766 | ||
88cefb6c DV |
3767 | static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc) |
3768 | { | |
3769 | struct drm_device *dev = intel_crtc->base.dev; | |
3770 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3771 | int pipe = intel_crtc->pipe; | |
3772 | u32 reg, temp; | |
3773 | ||
3774 | /* Switch from PCDclk to Rawclk */ | |
3775 | reg = FDI_RX_CTL(pipe); | |
3776 | temp = I915_READ(reg); | |
3777 | I915_WRITE(reg, temp & ~FDI_PCDCLK); | |
3778 | ||
3779 | /* Disable CPU FDI TX PLL */ | |
3780 | reg = FDI_TX_CTL(pipe); | |
3781 | temp = I915_READ(reg); | |
3782 | I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE); | |
3783 | ||
3784 | POSTING_READ(reg); | |
3785 | udelay(100); | |
3786 | ||
3787 | reg = FDI_RX_CTL(pipe); | |
3788 | temp = I915_READ(reg); | |
3789 | I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE); | |
3790 | ||
3791 | /* Wait for the clocks to turn off. */ | |
3792 | POSTING_READ(reg); | |
3793 | udelay(100); | |
3794 | } | |
3795 | ||
0fc932b8 JB |
3796 | static void ironlake_fdi_disable(struct drm_crtc *crtc) |
3797 | { | |
3798 | struct drm_device *dev = crtc->dev; | |
3799 | struct drm_i915_private *dev_priv = dev->dev_private; | |
3800 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
3801 | int pipe = intel_crtc->pipe; | |
3802 | u32 reg, temp; | |
3803 | ||
3804 | /* disable CPU FDI tx and PCH FDI rx */ | |
3805 | reg = FDI_TX_CTL(pipe); | |
3806 | temp = I915_READ(reg); | |
3807 | I915_WRITE(reg, temp & ~FDI_TX_ENABLE); | |
3808 | POSTING_READ(reg); | |
3809 | ||
3810 | reg = FDI_RX_CTL(pipe); | |
3811 | temp = I915_READ(reg); | |
3812 | temp &= ~(0x7 << 16); | |
dfd07d72 | 3813 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3814 | I915_WRITE(reg, temp & ~FDI_RX_ENABLE); |
3815 | ||
3816 | POSTING_READ(reg); | |
3817 | udelay(100); | |
3818 | ||
3819 | /* Ironlake workaround, disable clock pointer after downing FDI */ | |
eba905b2 | 3820 | if (HAS_PCH_IBX(dev)) |
6f06ce18 | 3821 | I915_WRITE(FDI_RX_CHICKEN(pipe), FDI_RX_PHASE_SYNC_POINTER_OVR); |
0fc932b8 JB |
3822 | |
3823 | /* still set train pattern 1 */ | |
3824 | reg = FDI_TX_CTL(pipe); | |
3825 | temp = I915_READ(reg); | |
3826 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3827 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3828 | I915_WRITE(reg, temp); | |
3829 | ||
3830 | reg = FDI_RX_CTL(pipe); | |
3831 | temp = I915_READ(reg); | |
3832 | if (HAS_PCH_CPT(dev)) { | |
3833 | temp &= ~FDI_LINK_TRAIN_PATTERN_MASK_CPT; | |
3834 | temp |= FDI_LINK_TRAIN_PATTERN_1_CPT; | |
3835 | } else { | |
3836 | temp &= ~FDI_LINK_TRAIN_NONE; | |
3837 | temp |= FDI_LINK_TRAIN_PATTERN_1; | |
3838 | } | |
3839 | /* BPC in FDI rx is consistent with that in PIPECONF */ | |
3840 | temp &= ~(0x07 << 16); | |
dfd07d72 | 3841 | temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11; |
0fc932b8 JB |
3842 | I915_WRITE(reg, temp); |
3843 | ||
3844 | POSTING_READ(reg); | |
3845 | udelay(100); | |
3846 | } | |
3847 | ||
5dce5b93 CW |
3848 | bool intel_has_pending_fb_unpin(struct drm_device *dev) |
3849 | { | |
3850 | struct intel_crtc *crtc; | |
3851 | ||
3852 | /* Note that we don't need to be called with mode_config.lock here | |
3853 | * as our list of CRTC objects is static for the lifetime of the | |
3854 | * device and so cannot disappear as we iterate. Similarly, we can | |
3855 | * happily treat the predicates as racy, atomic checks as userspace | |
3856 | * cannot claim and pin a new fb without at least acquring the | |
3857 | * struct_mutex and so serialising with us. | |
3858 | */ | |
d3fcc808 | 3859 | for_each_intel_crtc(dev, crtc) { |
5dce5b93 CW |
3860 | if (atomic_read(&crtc->unpin_work_count) == 0) |
3861 | continue; | |
3862 | ||
3863 | if (crtc->unpin_work) | |
3864 | intel_wait_for_vblank(dev, crtc->pipe); | |
3865 | ||
3866 | return true; | |
3867 | } | |
3868 | ||
3869 | return false; | |
3870 | } | |
3871 | ||
d6bbafa1 CW |
3872 | static void page_flip_completed(struct intel_crtc *intel_crtc) |
3873 | { | |
3874 | struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev); | |
3875 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
3876 | ||
3877 | /* ensure that the unpin work is consistent wrt ->pending. */ | |
3878 | smp_rmb(); | |
3879 | intel_crtc->unpin_work = NULL; | |
3880 | ||
3881 | if (work->event) | |
3882 | drm_send_vblank_event(intel_crtc->base.dev, | |
3883 | intel_crtc->pipe, | |
3884 | work->event); | |
3885 | ||
3886 | drm_crtc_vblank_put(&intel_crtc->base); | |
3887 | ||
3888 | wake_up_all(&dev_priv->pending_flip_queue); | |
3889 | queue_work(dev_priv->wq, &work->work); | |
3890 | ||
3891 | trace_i915_flip_complete(intel_crtc->plane, | |
3892 | work->pending_flip_obj); | |
3893 | } | |
3894 | ||
5008e874 | 3895 | static int intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) |
e6c3a2a6 | 3896 | { |
0f91128d | 3897 | struct drm_device *dev = crtc->dev; |
5bb61643 | 3898 | struct drm_i915_private *dev_priv = dev->dev_private; |
5008e874 | 3899 | long ret; |
e6c3a2a6 | 3900 | |
2c10d571 | 3901 | WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue)); |
5008e874 ML |
3902 | |
3903 | ret = wait_event_interruptible_timeout( | |
3904 | dev_priv->pending_flip_queue, | |
3905 | !intel_crtc_has_pending_flip(crtc), | |
3906 | 60*HZ); | |
3907 | ||
3908 | if (ret < 0) | |
3909 | return ret; | |
3910 | ||
3911 | if (ret == 0) { | |
9c787942 | 3912 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
2c10d571 | 3913 | |
5e2d7afc | 3914 | spin_lock_irq(&dev->event_lock); |
9c787942 CW |
3915 | if (intel_crtc->unpin_work) { |
3916 | WARN_ONCE(1, "Removing stuck page flip\n"); | |
3917 | page_flip_completed(intel_crtc); | |
3918 | } | |
5e2d7afc | 3919 | spin_unlock_irq(&dev->event_lock); |
9c787942 | 3920 | } |
5bb61643 | 3921 | |
5008e874 | 3922 | return 0; |
e6c3a2a6 CW |
3923 | } |
3924 | ||
e615efe4 ED |
3925 | /* Program iCLKIP clock to the desired frequency */ |
3926 | static void lpt_program_iclkip(struct drm_crtc *crtc) | |
3927 | { | |
3928 | struct drm_device *dev = crtc->dev; | |
3929 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 3930 | int clock = to_intel_crtc(crtc)->config->base.adjusted_mode.crtc_clock; |
e615efe4 ED |
3931 | u32 divsel, phaseinc, auxdiv, phasedir = 0; |
3932 | u32 temp; | |
3933 | ||
a580516d | 3934 | mutex_lock(&dev_priv->sb_lock); |
09153000 | 3935 | |
e615efe4 ED |
3936 | /* It is necessary to ungate the pixclk gate prior to programming |
3937 | * the divisors, and gate it back when it is done. | |
3938 | */ | |
3939 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_GATE); | |
3940 | ||
3941 | /* Disable SSCCTL */ | |
3942 | intel_sbi_write(dev_priv, SBI_SSCCTL6, | |
988d6ee8 PZ |
3943 | intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK) | |
3944 | SBI_SSCCTL_DISABLE, | |
3945 | SBI_ICLK); | |
e615efe4 ED |
3946 | |
3947 | /* 20MHz is a corner case which is out of range for the 7-bit divisor */ | |
12d7ceed | 3948 | if (clock == 20000) { |
e615efe4 ED |
3949 | auxdiv = 1; |
3950 | divsel = 0x41; | |
3951 | phaseinc = 0x20; | |
3952 | } else { | |
3953 | /* The iCLK virtual clock root frequency is in MHz, | |
241bfc38 DL |
3954 | * but the adjusted_mode->crtc_clock in in KHz. To get the |
3955 | * divisors, it is necessary to divide one by another, so we | |
e615efe4 ED |
3956 | * convert the virtual clock precision to KHz here for higher |
3957 | * precision. | |
3958 | */ | |
3959 | u32 iclk_virtual_root_freq = 172800 * 1000; | |
3960 | u32 iclk_pi_range = 64; | |
3961 | u32 desired_divisor, msb_divisor_value, pi_value; | |
3962 | ||
12d7ceed | 3963 | desired_divisor = (iclk_virtual_root_freq / clock); |
e615efe4 ED |
3964 | msb_divisor_value = desired_divisor / iclk_pi_range; |
3965 | pi_value = desired_divisor % iclk_pi_range; | |
3966 | ||
3967 | auxdiv = 0; | |
3968 | divsel = msb_divisor_value - 2; | |
3969 | phaseinc = pi_value; | |
3970 | } | |
3971 | ||
3972 | /* This should not happen with any sane values */ | |
3973 | WARN_ON(SBI_SSCDIVINTPHASE_DIVSEL(divsel) & | |
3974 | ~SBI_SSCDIVINTPHASE_DIVSEL_MASK); | |
3975 | WARN_ON(SBI_SSCDIVINTPHASE_DIR(phasedir) & | |
3976 | ~SBI_SSCDIVINTPHASE_INCVAL_MASK); | |
3977 | ||
3978 | DRM_DEBUG_KMS("iCLKIP clock: found settings for %dKHz refresh rate: auxdiv=%x, divsel=%x, phasedir=%x, phaseinc=%x\n", | |
12d7ceed | 3979 | clock, |
e615efe4 ED |
3980 | auxdiv, |
3981 | divsel, | |
3982 | phasedir, | |
3983 | phaseinc); | |
3984 | ||
3985 | /* Program SSCDIVINTPHASE6 */ | |
988d6ee8 | 3986 | temp = intel_sbi_read(dev_priv, SBI_SSCDIVINTPHASE6, SBI_ICLK); |
e615efe4 ED |
3987 | temp &= ~SBI_SSCDIVINTPHASE_DIVSEL_MASK; |
3988 | temp |= SBI_SSCDIVINTPHASE_DIVSEL(divsel); | |
3989 | temp &= ~SBI_SSCDIVINTPHASE_INCVAL_MASK; | |
3990 | temp |= SBI_SSCDIVINTPHASE_INCVAL(phaseinc); | |
3991 | temp |= SBI_SSCDIVINTPHASE_DIR(phasedir); | |
3992 | temp |= SBI_SSCDIVINTPHASE_PROPAGATE; | |
988d6ee8 | 3993 | intel_sbi_write(dev_priv, SBI_SSCDIVINTPHASE6, temp, SBI_ICLK); |
e615efe4 ED |
3994 | |
3995 | /* Program SSCAUXDIV */ | |
988d6ee8 | 3996 | temp = intel_sbi_read(dev_priv, SBI_SSCAUXDIV6, SBI_ICLK); |
e615efe4 ED |
3997 | temp &= ~SBI_SSCAUXDIV_FINALDIV2SEL(1); |
3998 | temp |= SBI_SSCAUXDIV_FINALDIV2SEL(auxdiv); | |
988d6ee8 | 3999 | intel_sbi_write(dev_priv, SBI_SSCAUXDIV6, temp, SBI_ICLK); |
e615efe4 ED |
4000 | |
4001 | /* Enable modulator and associated divider */ | |
988d6ee8 | 4002 | temp = intel_sbi_read(dev_priv, SBI_SSCCTL6, SBI_ICLK); |
e615efe4 | 4003 | temp &= ~SBI_SSCCTL_DISABLE; |
988d6ee8 | 4004 | intel_sbi_write(dev_priv, SBI_SSCCTL6, temp, SBI_ICLK); |
e615efe4 ED |
4005 | |
4006 | /* Wait for initialization time */ | |
4007 | udelay(24); | |
4008 | ||
4009 | I915_WRITE(PIXCLK_GATE, PIXCLK_GATE_UNGATE); | |
09153000 | 4010 | |
a580516d | 4011 | mutex_unlock(&dev_priv->sb_lock); |
e615efe4 ED |
4012 | } |
4013 | ||
275f01b2 DV |
4014 | static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc, |
4015 | enum pipe pch_transcoder) | |
4016 | { | |
4017 | struct drm_device *dev = crtc->base.dev; | |
4018 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 4019 | enum transcoder cpu_transcoder = crtc->config->cpu_transcoder; |
275f01b2 DV |
4020 | |
4021 | I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder), | |
4022 | I915_READ(HTOTAL(cpu_transcoder))); | |
4023 | I915_WRITE(PCH_TRANS_HBLANK(pch_transcoder), | |
4024 | I915_READ(HBLANK(cpu_transcoder))); | |
4025 | I915_WRITE(PCH_TRANS_HSYNC(pch_transcoder), | |
4026 | I915_READ(HSYNC(cpu_transcoder))); | |
4027 | ||
4028 | I915_WRITE(PCH_TRANS_VTOTAL(pch_transcoder), | |
4029 | I915_READ(VTOTAL(cpu_transcoder))); | |
4030 | I915_WRITE(PCH_TRANS_VBLANK(pch_transcoder), | |
4031 | I915_READ(VBLANK(cpu_transcoder))); | |
4032 | I915_WRITE(PCH_TRANS_VSYNC(pch_transcoder), | |
4033 | I915_READ(VSYNC(cpu_transcoder))); | |
4034 | I915_WRITE(PCH_TRANS_VSYNCSHIFT(pch_transcoder), | |
4035 | I915_READ(VSYNCSHIFT(cpu_transcoder))); | |
4036 | } | |
4037 | ||
003632d9 | 4038 | static void cpt_set_fdi_bc_bifurcation(struct drm_device *dev, bool enable) |
1fbc0d78 DV |
4039 | { |
4040 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4041 | uint32_t temp; | |
4042 | ||
4043 | temp = I915_READ(SOUTH_CHICKEN1); | |
003632d9 | 4044 | if (!!(temp & FDI_BC_BIFURCATION_SELECT) == enable) |
1fbc0d78 DV |
4045 | return; |
4046 | ||
4047 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_B)) & FDI_RX_ENABLE); | |
4048 | WARN_ON(I915_READ(FDI_RX_CTL(PIPE_C)) & FDI_RX_ENABLE); | |
4049 | ||
003632d9 ACO |
4050 | temp &= ~FDI_BC_BIFURCATION_SELECT; |
4051 | if (enable) | |
4052 | temp |= FDI_BC_BIFURCATION_SELECT; | |
4053 | ||
4054 | DRM_DEBUG_KMS("%sabling fdi C rx\n", enable ? "en" : "dis"); | |
1fbc0d78 DV |
4055 | I915_WRITE(SOUTH_CHICKEN1, temp); |
4056 | POSTING_READ(SOUTH_CHICKEN1); | |
4057 | } | |
4058 | ||
4059 | static void ivybridge_update_fdi_bc_bifurcation(struct intel_crtc *intel_crtc) | |
4060 | { | |
4061 | struct drm_device *dev = intel_crtc->base.dev; | |
1fbc0d78 DV |
4062 | |
4063 | switch (intel_crtc->pipe) { | |
4064 | case PIPE_A: | |
4065 | break; | |
4066 | case PIPE_B: | |
6e3c9717 | 4067 | if (intel_crtc->config->fdi_lanes > 2) |
003632d9 | 4068 | cpt_set_fdi_bc_bifurcation(dev, false); |
1fbc0d78 | 4069 | else |
003632d9 | 4070 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4071 | |
4072 | break; | |
4073 | case PIPE_C: | |
003632d9 | 4074 | cpt_set_fdi_bc_bifurcation(dev, true); |
1fbc0d78 DV |
4075 | |
4076 | break; | |
4077 | default: | |
4078 | BUG(); | |
4079 | } | |
4080 | } | |
4081 | ||
f67a559d JB |
4082 | /* |
4083 | * Enable PCH resources required for PCH ports: | |
4084 | * - PCH PLLs | |
4085 | * - FDI training & RX/TX | |
4086 | * - update transcoder timings | |
4087 | * - DP transcoding bits | |
4088 | * - transcoder | |
4089 | */ | |
4090 | static void ironlake_pch_enable(struct drm_crtc *crtc) | |
0e23b99d JB |
4091 | { |
4092 | struct drm_device *dev = crtc->dev; | |
4093 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4094 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4095 | int pipe = intel_crtc->pipe; | |
ee7b9f93 | 4096 | u32 reg, temp; |
2c07245f | 4097 | |
ab9412ba | 4098 | assert_pch_transcoder_disabled(dev_priv, pipe); |
e7e164db | 4099 | |
1fbc0d78 DV |
4100 | if (IS_IVYBRIDGE(dev)) |
4101 | ivybridge_update_fdi_bc_bifurcation(intel_crtc); | |
4102 | ||
cd986abb DV |
4103 | /* Write the TU size bits before fdi link training, so that error |
4104 | * detection works. */ | |
4105 | I915_WRITE(FDI_RX_TUSIZE1(pipe), | |
4106 | I915_READ(PIPE_DATA_M1(pipe)) & TU_SIZE_MASK); | |
4107 | ||
c98e9dcf | 4108 | /* For PCH output, training FDI link */ |
674cf967 | 4109 | dev_priv->display.fdi_link_train(crtc); |
2c07245f | 4110 | |
3ad8a208 DV |
4111 | /* We need to program the right clock selection before writing the pixel |
4112 | * mutliplier into the DPLL. */ | |
303b81e0 | 4113 | if (HAS_PCH_CPT(dev)) { |
ee7b9f93 | 4114 | u32 sel; |
4b645f14 | 4115 | |
c98e9dcf | 4116 | temp = I915_READ(PCH_DPLL_SEL); |
11887397 DV |
4117 | temp |= TRANS_DPLL_ENABLE(pipe); |
4118 | sel = TRANS_DPLLB_SEL(pipe); | |
6e3c9717 | 4119 | if (intel_crtc->config->shared_dpll == DPLL_ID_PCH_PLL_B) |
ee7b9f93 JB |
4120 | temp |= sel; |
4121 | else | |
4122 | temp &= ~sel; | |
c98e9dcf | 4123 | I915_WRITE(PCH_DPLL_SEL, temp); |
c98e9dcf | 4124 | } |
5eddb70b | 4125 | |
3ad8a208 DV |
4126 | /* XXX: pch pll's can be enabled any time before we enable the PCH |
4127 | * transcoder, and we actually should do this to not upset any PCH | |
4128 | * transcoder that already use the clock when we share it. | |
4129 | * | |
4130 | * Note that enable_shared_dpll tries to do the right thing, but | |
4131 | * get_shared_dpll unconditionally resets the pll - we need that to have | |
4132 | * the right LVDS enable sequence. */ | |
85b3894f | 4133 | intel_enable_shared_dpll(intel_crtc); |
3ad8a208 | 4134 | |
d9b6cb56 JB |
4135 | /* set transcoder timing, panel must allow it */ |
4136 | assert_panel_unlocked(dev_priv, pipe); | |
275f01b2 | 4137 | ironlake_pch_transcoder_set_timings(intel_crtc, pipe); |
8db9d77b | 4138 | |
303b81e0 | 4139 | intel_fdi_normal_train(crtc); |
5e84e1a4 | 4140 | |
c98e9dcf | 4141 | /* For PCH DP, enable TRANS_DP_CTL */ |
6e3c9717 | 4142 | if (HAS_PCH_CPT(dev) && intel_crtc->config->has_dp_encoder) { |
dfd07d72 | 4143 | u32 bpc = (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) >> 5; |
5eddb70b CW |
4144 | reg = TRANS_DP_CTL(pipe); |
4145 | temp = I915_READ(reg); | |
4146 | temp &= ~(TRANS_DP_PORT_SEL_MASK | | |
220cad3c EA |
4147 | TRANS_DP_SYNC_MASK | |
4148 | TRANS_DP_BPC_MASK); | |
e3ef4479 | 4149 | temp |= TRANS_DP_OUTPUT_ENABLE; |
9325c9f0 | 4150 | temp |= bpc << 9; /* same format but at 11:9 */ |
c98e9dcf JB |
4151 | |
4152 | if (crtc->mode.flags & DRM_MODE_FLAG_PHSYNC) | |
5eddb70b | 4153 | temp |= TRANS_DP_HSYNC_ACTIVE_HIGH; |
c98e9dcf | 4154 | if (crtc->mode.flags & DRM_MODE_FLAG_PVSYNC) |
5eddb70b | 4155 | temp |= TRANS_DP_VSYNC_ACTIVE_HIGH; |
c98e9dcf JB |
4156 | |
4157 | switch (intel_trans_dp_port_sel(crtc)) { | |
4158 | case PCH_DP_B: | |
5eddb70b | 4159 | temp |= TRANS_DP_PORT_SEL_B; |
c98e9dcf JB |
4160 | break; |
4161 | case PCH_DP_C: | |
5eddb70b | 4162 | temp |= TRANS_DP_PORT_SEL_C; |
c98e9dcf JB |
4163 | break; |
4164 | case PCH_DP_D: | |
5eddb70b | 4165 | temp |= TRANS_DP_PORT_SEL_D; |
c98e9dcf JB |
4166 | break; |
4167 | default: | |
e95d41e1 | 4168 | BUG(); |
32f9d658 | 4169 | } |
2c07245f | 4170 | |
5eddb70b | 4171 | I915_WRITE(reg, temp); |
6be4a607 | 4172 | } |
b52eb4dc | 4173 | |
b8a4f404 | 4174 | ironlake_enable_pch_transcoder(dev_priv, pipe); |
f67a559d JB |
4175 | } |
4176 | ||
1507e5bd PZ |
4177 | static void lpt_pch_enable(struct drm_crtc *crtc) |
4178 | { | |
4179 | struct drm_device *dev = crtc->dev; | |
4180 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4181 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6e3c9717 | 4182 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
1507e5bd | 4183 | |
ab9412ba | 4184 | assert_pch_transcoder_disabled(dev_priv, TRANSCODER_A); |
1507e5bd | 4185 | |
8c52b5e8 | 4186 | lpt_program_iclkip(crtc); |
1507e5bd | 4187 | |
0540e488 | 4188 | /* Set transcoder timing. */ |
275f01b2 | 4189 | ironlake_pch_transcoder_set_timings(intel_crtc, PIPE_A); |
1507e5bd | 4190 | |
937bb610 | 4191 | lpt_enable_pch_transcoder(dev_priv, cpu_transcoder); |
f67a559d JB |
4192 | } |
4193 | ||
190f68c5 ACO |
4194 | struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc, |
4195 | struct intel_crtc_state *crtc_state) | |
ee7b9f93 | 4196 | { |
e2b78267 | 4197 | struct drm_i915_private *dev_priv = crtc->base.dev->dev_private; |
8bd31e67 | 4198 | struct intel_shared_dpll *pll; |
de419ab6 | 4199 | struct intel_shared_dpll_config *shared_dpll; |
e2b78267 | 4200 | enum intel_dpll_id i; |
ee7b9f93 | 4201 | |
de419ab6 ML |
4202 | shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state); |
4203 | ||
98b6bd99 DV |
4204 | if (HAS_PCH_IBX(dev_priv->dev)) { |
4205 | /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */ | |
d94ab068 | 4206 | i = (enum intel_dpll_id) crtc->pipe; |
e72f9fbf | 4207 | pll = &dev_priv->shared_dplls[i]; |
98b6bd99 | 4208 | |
46edb027 DV |
4209 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", |
4210 | crtc->base.base.id, pll->name); | |
98b6bd99 | 4211 | |
de419ab6 | 4212 | WARN_ON(shared_dpll[i].crtc_mask); |
f2a69f44 | 4213 | |
98b6bd99 DV |
4214 | goto found; |
4215 | } | |
4216 | ||
bcddf610 S |
4217 | if (IS_BROXTON(dev_priv->dev)) { |
4218 | /* PLL is attached to port in bxt */ | |
4219 | struct intel_encoder *encoder; | |
4220 | struct intel_digital_port *intel_dig_port; | |
4221 | ||
4222 | encoder = intel_ddi_get_crtc_new_encoder(crtc_state); | |
4223 | if (WARN_ON(!encoder)) | |
4224 | return NULL; | |
4225 | ||
4226 | intel_dig_port = enc_to_dig_port(&encoder->base); | |
4227 | /* 1:1 mapping between ports and PLLs */ | |
4228 | i = (enum intel_dpll_id)intel_dig_port->port; | |
4229 | pll = &dev_priv->shared_dplls[i]; | |
4230 | DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n", | |
4231 | crtc->base.base.id, pll->name); | |
de419ab6 | 4232 | WARN_ON(shared_dpll[i].crtc_mask); |
bcddf610 S |
4233 | |
4234 | goto found; | |
4235 | } | |
4236 | ||
e72f9fbf DV |
4237 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4238 | pll = &dev_priv->shared_dplls[i]; | |
ee7b9f93 JB |
4239 | |
4240 | /* Only want to check enabled timings first */ | |
de419ab6 | 4241 | if (shared_dpll[i].crtc_mask == 0) |
ee7b9f93 JB |
4242 | continue; |
4243 | ||
190f68c5 | 4244 | if (memcmp(&crtc_state->dpll_hw_state, |
de419ab6 ML |
4245 | &shared_dpll[i].hw_state, |
4246 | sizeof(crtc_state->dpll_hw_state)) == 0) { | |
8bd31e67 | 4247 | DRM_DEBUG_KMS("CRTC:%d sharing existing %s (crtc mask 0x%08x, ative %d)\n", |
1e6f2ddc | 4248 | crtc->base.base.id, pll->name, |
de419ab6 | 4249 | shared_dpll[i].crtc_mask, |
8bd31e67 | 4250 | pll->active); |
ee7b9f93 JB |
4251 | goto found; |
4252 | } | |
4253 | } | |
4254 | ||
4255 | /* Ok no matching timings, maybe there's a free one? */ | |
e72f9fbf DV |
4256 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4257 | pll = &dev_priv->shared_dplls[i]; | |
de419ab6 | 4258 | if (shared_dpll[i].crtc_mask == 0) { |
46edb027 DV |
4259 | DRM_DEBUG_KMS("CRTC:%d allocated %s\n", |
4260 | crtc->base.base.id, pll->name); | |
ee7b9f93 JB |
4261 | goto found; |
4262 | } | |
4263 | } | |
4264 | ||
4265 | return NULL; | |
4266 | ||
4267 | found: | |
de419ab6 ML |
4268 | if (shared_dpll[i].crtc_mask == 0) |
4269 | shared_dpll[i].hw_state = | |
4270 | crtc_state->dpll_hw_state; | |
f2a69f44 | 4271 | |
190f68c5 | 4272 | crtc_state->shared_dpll = i; |
46edb027 DV |
4273 | DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name, |
4274 | pipe_name(crtc->pipe)); | |
ee7b9f93 | 4275 | |
de419ab6 | 4276 | shared_dpll[i].crtc_mask |= 1 << crtc->pipe; |
e04c7350 | 4277 | |
ee7b9f93 JB |
4278 | return pll; |
4279 | } | |
4280 | ||
de419ab6 | 4281 | static void intel_shared_dpll_commit(struct drm_atomic_state *state) |
8bd31e67 | 4282 | { |
de419ab6 ML |
4283 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
4284 | struct intel_shared_dpll_config *shared_dpll; | |
8bd31e67 ACO |
4285 | struct intel_shared_dpll *pll; |
4286 | enum intel_dpll_id i; | |
4287 | ||
de419ab6 ML |
4288 | if (!to_intel_atomic_state(state)->dpll_set) |
4289 | return; | |
8bd31e67 | 4290 | |
de419ab6 | 4291 | shared_dpll = to_intel_atomic_state(state)->shared_dpll; |
8bd31e67 ACO |
4292 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
4293 | pll = &dev_priv->shared_dplls[i]; | |
de419ab6 | 4294 | pll->config = shared_dpll[i]; |
8bd31e67 ACO |
4295 | } |
4296 | } | |
4297 | ||
a1520318 | 4298 | static void cpt_verify_modeset(struct drm_device *dev, int pipe) |
d4270e57 JB |
4299 | { |
4300 | struct drm_i915_private *dev_priv = dev->dev_private; | |
23670b32 | 4301 | int dslreg = PIPEDSL(pipe); |
d4270e57 JB |
4302 | u32 temp; |
4303 | ||
4304 | temp = I915_READ(dslreg); | |
4305 | udelay(500); | |
4306 | if (wait_for(I915_READ(dslreg) != temp, 5)) { | |
d4270e57 | 4307 | if (wait_for(I915_READ(dslreg) != temp, 5)) |
84f44ce7 | 4308 | DRM_ERROR("mode set failed: pipe %c stuck\n", pipe_name(pipe)); |
d4270e57 JB |
4309 | } |
4310 | } | |
4311 | ||
86adf9d7 ML |
4312 | static int |
4313 | skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach, | |
4314 | unsigned scaler_user, int *scaler_id, unsigned int rotation, | |
4315 | int src_w, int src_h, int dst_w, int dst_h) | |
a1b2278e | 4316 | { |
86adf9d7 ML |
4317 | struct intel_crtc_scaler_state *scaler_state = |
4318 | &crtc_state->scaler_state; | |
4319 | struct intel_crtc *intel_crtc = | |
4320 | to_intel_crtc(crtc_state->base.crtc); | |
a1b2278e | 4321 | int need_scaling; |
6156a456 CK |
4322 | |
4323 | need_scaling = intel_rotation_90_or_270(rotation) ? | |
4324 | (src_h != dst_w || src_w != dst_h): | |
4325 | (src_w != dst_w || src_h != dst_h); | |
a1b2278e CK |
4326 | |
4327 | /* | |
4328 | * if plane is being disabled or scaler is no more required or force detach | |
4329 | * - free scaler binded to this plane/crtc | |
4330 | * - in order to do this, update crtc->scaler_usage | |
4331 | * | |
4332 | * Here scaler state in crtc_state is set free so that | |
4333 | * scaler can be assigned to other user. Actual register | |
4334 | * update to free the scaler is done in plane/panel-fit programming. | |
4335 | * For this purpose crtc/plane_state->scaler_id isn't reset here. | |
4336 | */ | |
86adf9d7 | 4337 | if (force_detach || !need_scaling) { |
a1b2278e | 4338 | if (*scaler_id >= 0) { |
86adf9d7 | 4339 | scaler_state->scaler_users &= ~(1 << scaler_user); |
a1b2278e CK |
4340 | scaler_state->scalers[*scaler_id].in_use = 0; |
4341 | ||
86adf9d7 ML |
4342 | DRM_DEBUG_KMS("scaler_user index %u.%u: " |
4343 | "Staged freeing scaler id %d scaler_users = 0x%x\n", | |
4344 | intel_crtc->pipe, scaler_user, *scaler_id, | |
a1b2278e CK |
4345 | scaler_state->scaler_users); |
4346 | *scaler_id = -1; | |
4347 | } | |
4348 | return 0; | |
4349 | } | |
4350 | ||
4351 | /* range checks */ | |
4352 | if (src_w < SKL_MIN_SRC_W || src_h < SKL_MIN_SRC_H || | |
4353 | dst_w < SKL_MIN_DST_W || dst_h < SKL_MIN_DST_H || | |
4354 | ||
4355 | src_w > SKL_MAX_SRC_W || src_h > SKL_MAX_SRC_H || | |
4356 | dst_w > SKL_MAX_DST_W || dst_h > SKL_MAX_DST_H) { | |
86adf9d7 | 4357 | DRM_DEBUG_KMS("scaler_user index %u.%u: src %ux%u dst %ux%u " |
a1b2278e | 4358 | "size is out of scaler range\n", |
86adf9d7 | 4359 | intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h); |
a1b2278e CK |
4360 | return -EINVAL; |
4361 | } | |
4362 | ||
86adf9d7 ML |
4363 | /* mark this plane as a scaler user in crtc_state */ |
4364 | scaler_state->scaler_users |= (1 << scaler_user); | |
4365 | DRM_DEBUG_KMS("scaler_user index %u.%u: " | |
4366 | "staged scaling request for %ux%u->%ux%u scaler_users = 0x%x\n", | |
4367 | intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h, | |
4368 | scaler_state->scaler_users); | |
4369 | ||
4370 | return 0; | |
4371 | } | |
4372 | ||
4373 | /** | |
4374 | * skl_update_scaler_crtc - Stages update to scaler state for a given crtc. | |
4375 | * | |
4376 | * @state: crtc's scaler state | |
86adf9d7 ML |
4377 | * |
4378 | * Return | |
4379 | * 0 - scaler_usage updated successfully | |
4380 | * error - requested scaling cannot be supported or other error condition | |
4381 | */ | |
e435d6e5 | 4382 | int skl_update_scaler_crtc(struct intel_crtc_state *state) |
86adf9d7 ML |
4383 | { |
4384 | struct intel_crtc *intel_crtc = to_intel_crtc(state->base.crtc); | |
7c5f93b0 | 4385 | const struct drm_display_mode *adjusted_mode = &state->base.adjusted_mode; |
86adf9d7 ML |
4386 | |
4387 | DRM_DEBUG_KMS("Updating scaler for [CRTC:%i] scaler_user index %u.%u\n", | |
4388 | intel_crtc->base.base.id, intel_crtc->pipe, SKL_CRTC_INDEX); | |
4389 | ||
e435d6e5 | 4390 | return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX, |
86adf9d7 ML |
4391 | &state->scaler_state.scaler_id, DRM_ROTATE_0, |
4392 | state->pipe_src_w, state->pipe_src_h, | |
aad941d5 | 4393 | adjusted_mode->crtc_hdisplay, adjusted_mode->crtc_vdisplay); |
86adf9d7 ML |
4394 | } |
4395 | ||
4396 | /** | |
4397 | * skl_update_scaler_plane - Stages update to scaler state for a given plane. | |
4398 | * | |
4399 | * @state: crtc's scaler state | |
86adf9d7 ML |
4400 | * @plane_state: atomic plane state to update |
4401 | * | |
4402 | * Return | |
4403 | * 0 - scaler_usage updated successfully | |
4404 | * error - requested scaling cannot be supported or other error condition | |
4405 | */ | |
da20eabd ML |
4406 | static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state, |
4407 | struct intel_plane_state *plane_state) | |
86adf9d7 ML |
4408 | { |
4409 | ||
4410 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); | |
da20eabd ML |
4411 | struct intel_plane *intel_plane = |
4412 | to_intel_plane(plane_state->base.plane); | |
86adf9d7 ML |
4413 | struct drm_framebuffer *fb = plane_state->base.fb; |
4414 | int ret; | |
4415 | ||
4416 | bool force_detach = !fb || !plane_state->visible; | |
4417 | ||
4418 | DRM_DEBUG_KMS("Updating scaler for [PLANE:%d] scaler_user index %u.%u\n", | |
4419 | intel_plane->base.base.id, intel_crtc->pipe, | |
4420 | drm_plane_index(&intel_plane->base)); | |
4421 | ||
4422 | ret = skl_update_scaler(crtc_state, force_detach, | |
4423 | drm_plane_index(&intel_plane->base), | |
4424 | &plane_state->scaler_id, | |
4425 | plane_state->base.rotation, | |
4426 | drm_rect_width(&plane_state->src) >> 16, | |
4427 | drm_rect_height(&plane_state->src) >> 16, | |
4428 | drm_rect_width(&plane_state->dst), | |
4429 | drm_rect_height(&plane_state->dst)); | |
4430 | ||
4431 | if (ret || plane_state->scaler_id < 0) | |
4432 | return ret; | |
4433 | ||
a1b2278e | 4434 | /* check colorkey */ |
818ed961 | 4435 | if (plane_state->ckey.flags != I915_SET_COLORKEY_NONE) { |
86adf9d7 | 4436 | DRM_DEBUG_KMS("[PLANE:%d] scaling with color key not allowed", |
818ed961 | 4437 | intel_plane->base.base.id); |
a1b2278e CK |
4438 | return -EINVAL; |
4439 | } | |
4440 | ||
4441 | /* Check src format */ | |
86adf9d7 ML |
4442 | switch (fb->pixel_format) { |
4443 | case DRM_FORMAT_RGB565: | |
4444 | case DRM_FORMAT_XBGR8888: | |
4445 | case DRM_FORMAT_XRGB8888: | |
4446 | case DRM_FORMAT_ABGR8888: | |
4447 | case DRM_FORMAT_ARGB8888: | |
4448 | case DRM_FORMAT_XRGB2101010: | |
4449 | case DRM_FORMAT_XBGR2101010: | |
4450 | case DRM_FORMAT_YUYV: | |
4451 | case DRM_FORMAT_YVYU: | |
4452 | case DRM_FORMAT_UYVY: | |
4453 | case DRM_FORMAT_VYUY: | |
4454 | break; | |
4455 | default: | |
4456 | DRM_DEBUG_KMS("[PLANE:%d] FB:%d unsupported scaling format 0x%x\n", | |
4457 | intel_plane->base.base.id, fb->base.id, fb->pixel_format); | |
4458 | return -EINVAL; | |
a1b2278e CK |
4459 | } |
4460 | ||
a1b2278e CK |
4461 | return 0; |
4462 | } | |
4463 | ||
e435d6e5 ML |
4464 | static void skylake_scaler_disable(struct intel_crtc *crtc) |
4465 | { | |
4466 | int i; | |
4467 | ||
4468 | for (i = 0; i < crtc->num_scalers; i++) | |
4469 | skl_detach_scaler(crtc, i); | |
4470 | } | |
4471 | ||
4472 | static void skylake_pfit_enable(struct intel_crtc *crtc) | |
bd2e244f JB |
4473 | { |
4474 | struct drm_device *dev = crtc->base.dev; | |
4475 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4476 | int pipe = crtc->pipe; | |
a1b2278e CK |
4477 | struct intel_crtc_scaler_state *scaler_state = |
4478 | &crtc->config->scaler_state; | |
4479 | ||
4480 | DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config); | |
4481 | ||
6e3c9717 | 4482 | if (crtc->config->pch_pfit.enabled) { |
a1b2278e CK |
4483 | int id; |
4484 | ||
4485 | if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) { | |
4486 | DRM_ERROR("Requesting pfit without getting a scaler first\n"); | |
4487 | return; | |
4488 | } | |
4489 | ||
4490 | id = scaler_state->scaler_id; | |
4491 | I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN | | |
4492 | PS_FILTER_MEDIUM | scaler_state->scalers[id].mode); | |
4493 | I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos); | |
4494 | I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size); | |
4495 | ||
4496 | DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id); | |
bd2e244f JB |
4497 | } |
4498 | } | |
4499 | ||
b074cec8 JB |
4500 | static void ironlake_pfit_enable(struct intel_crtc *crtc) |
4501 | { | |
4502 | struct drm_device *dev = crtc->base.dev; | |
4503 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4504 | int pipe = crtc->pipe; | |
4505 | ||
6e3c9717 | 4506 | if (crtc->config->pch_pfit.enabled) { |
b074cec8 JB |
4507 | /* Force use of hard-coded filter coefficients |
4508 | * as some pre-programmed values are broken, | |
4509 | * e.g. x201. | |
4510 | */ | |
4511 | if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) | |
4512 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3 | | |
4513 | PF_PIPE_SEL_IVB(pipe)); | |
4514 | else | |
4515 | I915_WRITE(PF_CTL(pipe), PF_ENABLE | PF_FILTER_MED_3x3); | |
6e3c9717 ACO |
4516 | I915_WRITE(PF_WIN_POS(pipe), crtc->config->pch_pfit.pos); |
4517 | I915_WRITE(PF_WIN_SZ(pipe), crtc->config->pch_pfit.size); | |
d4270e57 JB |
4518 | } |
4519 | } | |
4520 | ||
20bc8673 | 4521 | void hsw_enable_ips(struct intel_crtc *crtc) |
d77e4531 | 4522 | { |
cea165c3 VS |
4523 | struct drm_device *dev = crtc->base.dev; |
4524 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d77e4531 | 4525 | |
6e3c9717 | 4526 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4527 | return; |
4528 | ||
cea165c3 VS |
4529 | /* We can only enable IPS after we enable a plane and wait for a vblank */ |
4530 | intel_wait_for_vblank(dev, crtc->pipe); | |
4531 | ||
d77e4531 | 4532 | assert_plane_enabled(dev_priv, crtc->plane); |
cea165c3 | 4533 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4534 | mutex_lock(&dev_priv->rps.hw_lock); |
4535 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000)); | |
4536 | mutex_unlock(&dev_priv->rps.hw_lock); | |
4537 | /* Quoting Art Runyan: "its not safe to expect any particular | |
4538 | * value in IPS_CTL bit 31 after enabling IPS through the | |
e59150dc JB |
4539 | * mailbox." Moreover, the mailbox may return a bogus state, |
4540 | * so we need to just enable it and continue on. | |
2a114cc1 BW |
4541 | */ |
4542 | } else { | |
4543 | I915_WRITE(IPS_CTL, IPS_ENABLE); | |
4544 | /* The bit only becomes 1 in the next vblank, so this wait here | |
4545 | * is essentially intel_wait_for_vblank. If we don't have this | |
4546 | * and don't wait for vblanks until the end of crtc_enable, then | |
4547 | * the HW state readout code will complain that the expected | |
4548 | * IPS_CTL value is not the one we read. */ | |
4549 | if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50)) | |
4550 | DRM_ERROR("Timed out waiting for IPS enable\n"); | |
4551 | } | |
d77e4531 PZ |
4552 | } |
4553 | ||
20bc8673 | 4554 | void hsw_disable_ips(struct intel_crtc *crtc) |
d77e4531 PZ |
4555 | { |
4556 | struct drm_device *dev = crtc->base.dev; | |
4557 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4558 | ||
6e3c9717 | 4559 | if (!crtc->config->ips_enabled) |
d77e4531 PZ |
4560 | return; |
4561 | ||
4562 | assert_plane_enabled(dev_priv, crtc->plane); | |
23d0b130 | 4563 | if (IS_BROADWELL(dev)) { |
2a114cc1 BW |
4564 | mutex_lock(&dev_priv->rps.hw_lock); |
4565 | WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0)); | |
4566 | mutex_unlock(&dev_priv->rps.hw_lock); | |
23d0b130 BW |
4567 | /* wait for pcode to finish disabling IPS, which may take up to 42ms */ |
4568 | if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42)) | |
4569 | DRM_ERROR("Timed out waiting for IPS disable\n"); | |
e59150dc | 4570 | } else { |
2a114cc1 | 4571 | I915_WRITE(IPS_CTL, 0); |
e59150dc JB |
4572 | POSTING_READ(IPS_CTL); |
4573 | } | |
d77e4531 PZ |
4574 | |
4575 | /* We need to wait for a vblank before we can disable the plane. */ | |
4576 | intel_wait_for_vblank(dev, crtc->pipe); | |
4577 | } | |
4578 | ||
4579 | /** Loads the palette/gamma unit for the CRTC with the prepared values */ | |
4580 | static void intel_crtc_load_lut(struct drm_crtc *crtc) | |
4581 | { | |
4582 | struct drm_device *dev = crtc->dev; | |
4583 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4584 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4585 | enum pipe pipe = intel_crtc->pipe; | |
d77e4531 PZ |
4586 | int i; |
4587 | bool reenable_ips = false; | |
4588 | ||
4589 | /* The clocks have to be on to load the palette. */ | |
53d9f4e9 | 4590 | if (!crtc->state->active) |
d77e4531 PZ |
4591 | return; |
4592 | ||
50360403 | 4593 | if (HAS_GMCH_DISPLAY(dev_priv->dev)) { |
409ee761 | 4594 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) |
d77e4531 PZ |
4595 | assert_dsi_pll_enabled(dev_priv); |
4596 | else | |
4597 | assert_pll_enabled(dev_priv, pipe); | |
4598 | } | |
4599 | ||
d77e4531 PZ |
4600 | /* Workaround : Do not read or write the pipe palette/gamma data while |
4601 | * GAMMA_MODE is configured for split gamma and IPS_CTL has IPS enabled. | |
4602 | */ | |
6e3c9717 | 4603 | if (IS_HASWELL(dev) && intel_crtc->config->ips_enabled && |
d77e4531 PZ |
4604 | ((I915_READ(GAMMA_MODE(pipe)) & GAMMA_MODE_MODE_MASK) == |
4605 | GAMMA_MODE_MODE_SPLIT)) { | |
4606 | hsw_disable_ips(intel_crtc); | |
4607 | reenable_ips = true; | |
4608 | } | |
4609 | ||
4610 | for (i = 0; i < 256; i++) { | |
f65a9c5b VS |
4611 | u32 palreg; |
4612 | ||
4613 | if (HAS_GMCH_DISPLAY(dev)) | |
4614 | palreg = PALETTE(pipe, i); | |
4615 | else | |
4616 | palreg = LGC_PALETTE(pipe, i); | |
4617 | ||
4618 | I915_WRITE(palreg, | |
d77e4531 PZ |
4619 | (intel_crtc->lut_r[i] << 16) | |
4620 | (intel_crtc->lut_g[i] << 8) | | |
4621 | intel_crtc->lut_b[i]); | |
4622 | } | |
4623 | ||
4624 | if (reenable_ips) | |
4625 | hsw_enable_ips(intel_crtc); | |
4626 | } | |
4627 | ||
7cac945f | 4628 | static void intel_crtc_dpms_overlay_disable(struct intel_crtc *intel_crtc) |
d3eedb1a | 4629 | { |
7cac945f | 4630 | if (intel_crtc->overlay) { |
d3eedb1a VS |
4631 | struct drm_device *dev = intel_crtc->base.dev; |
4632 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4633 | ||
4634 | mutex_lock(&dev->struct_mutex); | |
4635 | dev_priv->mm.interruptible = false; | |
4636 | (void) intel_overlay_switch_off(intel_crtc->overlay); | |
4637 | dev_priv->mm.interruptible = true; | |
4638 | mutex_unlock(&dev->struct_mutex); | |
4639 | } | |
4640 | ||
4641 | /* Let userspace switch the overlay on again. In most cases userspace | |
4642 | * has to recompute where to put it anyway. | |
4643 | */ | |
4644 | } | |
4645 | ||
87d4300a ML |
4646 | /** |
4647 | * intel_post_enable_primary - Perform operations after enabling primary plane | |
4648 | * @crtc: the CRTC whose primary plane was just enabled | |
4649 | * | |
4650 | * Performs potentially sleeping operations that must be done after the primary | |
4651 | * plane is enabled, such as updating FBC and IPS. Note that this may be | |
4652 | * called due to an explicit primary plane update, or due to an implicit | |
4653 | * re-enable that is caused when a sprite plane is updated to no longer | |
4654 | * completely hide the primary plane. | |
4655 | */ | |
4656 | static void | |
4657 | intel_post_enable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4658 | { |
4659 | struct drm_device *dev = crtc->dev; | |
87d4300a | 4660 | struct drm_i915_private *dev_priv = dev->dev_private; |
a5c4d7bc VS |
4661 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4662 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4663 | |
87d4300a ML |
4664 | /* |
4665 | * BDW signals flip done immediately if the plane | |
4666 | * is disabled, even if the plane enable is already | |
4667 | * armed to occur at the next vblank :( | |
4668 | */ | |
4669 | if (IS_BROADWELL(dev)) | |
4670 | intel_wait_for_vblank(dev, pipe); | |
a5c4d7bc | 4671 | |
87d4300a ML |
4672 | /* |
4673 | * FIXME IPS should be fine as long as one plane is | |
4674 | * enabled, but in practice it seems to have problems | |
4675 | * when going from primary only to sprite only and vice | |
4676 | * versa. | |
4677 | */ | |
a5c4d7bc VS |
4678 | hsw_enable_ips(intel_crtc); |
4679 | ||
f99d7069 | 4680 | /* |
87d4300a ML |
4681 | * Gen2 reports pipe underruns whenever all planes are disabled. |
4682 | * So don't enable underrun reporting before at least some planes | |
4683 | * are enabled. | |
4684 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4685 | * but leave the pipe running. | |
f99d7069 | 4686 | */ |
87d4300a ML |
4687 | if (IS_GEN2(dev)) |
4688 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); | |
4689 | ||
4690 | /* Underruns don't raise interrupts, so check manually. */ | |
4691 | if (HAS_GMCH_DISPLAY(dev)) | |
4692 | i9xx_check_fifo_underruns(dev_priv); | |
a5c4d7bc VS |
4693 | } |
4694 | ||
87d4300a ML |
4695 | /** |
4696 | * intel_pre_disable_primary - Perform operations before disabling primary plane | |
4697 | * @crtc: the CRTC whose primary plane is to be disabled | |
4698 | * | |
4699 | * Performs potentially sleeping operations that must be done before the | |
4700 | * primary plane is disabled, such as updating FBC and IPS. Note that this may | |
4701 | * be called due to an explicit primary plane update, or due to an implicit | |
4702 | * disable that is caused when a sprite plane completely hides the primary | |
4703 | * plane. | |
4704 | */ | |
4705 | static void | |
4706 | intel_pre_disable_primary(struct drm_crtc *crtc) | |
a5c4d7bc VS |
4707 | { |
4708 | struct drm_device *dev = crtc->dev; | |
4709 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4710 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4711 | int pipe = intel_crtc->pipe; | |
a5c4d7bc | 4712 | |
87d4300a ML |
4713 | /* |
4714 | * Gen2 reports pipe underruns whenever all planes are disabled. | |
4715 | * So diasble underrun reporting before all the planes get disabled. | |
4716 | * FIXME: Need to fix the logic to work when we turn off all planes | |
4717 | * but leave the pipe running. | |
4718 | */ | |
4719 | if (IS_GEN2(dev)) | |
4720 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); | |
a5c4d7bc | 4721 | |
87d4300a ML |
4722 | /* |
4723 | * Vblank time updates from the shadow to live plane control register | |
4724 | * are blocked if the memory self-refresh mode is active at that | |
4725 | * moment. So to make sure the plane gets truly disabled, disable | |
4726 | * first the self-refresh mode. The self-refresh enable bit in turn | |
4727 | * will be checked/applied by the HW only at the next frame start | |
4728 | * event which is after the vblank start event, so we need to have a | |
4729 | * wait-for-vblank between disabling the plane and the pipe. | |
4730 | */ | |
262cd2e1 | 4731 | if (HAS_GMCH_DISPLAY(dev)) { |
87d4300a | 4732 | intel_set_memory_cxsr(dev_priv, false); |
262cd2e1 VS |
4733 | dev_priv->wm.vlv.cxsr = false; |
4734 | intel_wait_for_vblank(dev, pipe); | |
4735 | } | |
87d4300a | 4736 | |
87d4300a ML |
4737 | /* |
4738 | * FIXME IPS should be fine as long as one plane is | |
4739 | * enabled, but in practice it seems to have problems | |
4740 | * when going from primary only to sprite only and vice | |
4741 | * versa. | |
4742 | */ | |
a5c4d7bc | 4743 | hsw_disable_ips(intel_crtc); |
87d4300a ML |
4744 | } |
4745 | ||
ac21b225 ML |
4746 | static void intel_post_plane_update(struct intel_crtc *crtc) |
4747 | { | |
4748 | struct intel_crtc_atomic_commit *atomic = &crtc->atomic; | |
4749 | struct drm_device *dev = crtc->base.dev; | |
7733b49b | 4750 | struct drm_i915_private *dev_priv = dev->dev_private; |
ac21b225 ML |
4751 | |
4752 | if (atomic->wait_vblank) | |
4753 | intel_wait_for_vblank(dev, crtc->pipe); | |
4754 | ||
4755 | intel_frontbuffer_flip(dev, atomic->fb_bits); | |
4756 | ||
852eb00d VS |
4757 | if (atomic->disable_cxsr) |
4758 | crtc->wm.cxsr_allowed = true; | |
4759 | ||
f015c551 VS |
4760 | if (crtc->atomic.update_wm_post) |
4761 | intel_update_watermarks(&crtc->base); | |
4762 | ||
c80ac854 | 4763 | if (atomic->update_fbc) |
7733b49b | 4764 | intel_fbc_update(dev_priv); |
ac21b225 ML |
4765 | |
4766 | if (atomic->post_enable_primary) | |
4767 | intel_post_enable_primary(&crtc->base); | |
4768 | ||
ac21b225 ML |
4769 | memset(atomic, 0, sizeof(*atomic)); |
4770 | } | |
4771 | ||
4772 | static void intel_pre_plane_update(struct intel_crtc *crtc) | |
4773 | { | |
4774 | struct drm_device *dev = crtc->base.dev; | |
eddfcbcd | 4775 | struct drm_i915_private *dev_priv = dev->dev_private; |
ac21b225 | 4776 | struct intel_crtc_atomic_commit *atomic = &crtc->atomic; |
ac21b225 | 4777 | |
c80ac854 | 4778 | if (atomic->disable_fbc) |
25ad93fd | 4779 | intel_fbc_disable_crtc(crtc); |
ac21b225 | 4780 | |
066cf55b RV |
4781 | if (crtc->atomic.disable_ips) |
4782 | hsw_disable_ips(crtc); | |
4783 | ||
ac21b225 ML |
4784 | if (atomic->pre_disable_primary) |
4785 | intel_pre_disable_primary(&crtc->base); | |
852eb00d VS |
4786 | |
4787 | if (atomic->disable_cxsr) { | |
4788 | crtc->wm.cxsr_allowed = false; | |
4789 | intel_set_memory_cxsr(dev_priv, false); | |
4790 | } | |
ac21b225 ML |
4791 | } |
4792 | ||
d032ffa0 | 4793 | static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned plane_mask) |
87d4300a ML |
4794 | { |
4795 | struct drm_device *dev = crtc->dev; | |
4796 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
d032ffa0 | 4797 | struct drm_plane *p; |
87d4300a ML |
4798 | int pipe = intel_crtc->pipe; |
4799 | ||
7cac945f | 4800 | intel_crtc_dpms_overlay_disable(intel_crtc); |
27321ae8 | 4801 | |
d032ffa0 ML |
4802 | drm_for_each_plane_mask(p, dev, plane_mask) |
4803 | to_intel_plane(p)->disable_plane(p, crtc); | |
f98551ae | 4804 | |
f99d7069 DV |
4805 | /* |
4806 | * FIXME: Once we grow proper nuclear flip support out of this we need | |
4807 | * to compute the mask of flip planes precisely. For the time being | |
4808 | * consider this a flip to a NULL plane. | |
4809 | */ | |
4810 | intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe)); | |
a5c4d7bc VS |
4811 | } |
4812 | ||
f67a559d JB |
4813 | static void ironlake_crtc_enable(struct drm_crtc *crtc) |
4814 | { | |
4815 | struct drm_device *dev = crtc->dev; | |
4816 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4817 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 4818 | struct intel_encoder *encoder; |
f67a559d | 4819 | int pipe = intel_crtc->pipe; |
f67a559d | 4820 | |
53d9f4e9 | 4821 | if (WARN_ON(intel_crtc->active)) |
f67a559d JB |
4822 | return; |
4823 | ||
6e3c9717 | 4824 | if (intel_crtc->config->has_pch_encoder) |
b14b1055 DV |
4825 | intel_prepare_shared_dpll(intel_crtc); |
4826 | ||
6e3c9717 | 4827 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4828 | intel_dp_set_m_n(intel_crtc, M1_N1); |
29407aab DV |
4829 | |
4830 | intel_set_pipe_timings(intel_crtc); | |
4831 | ||
6e3c9717 | 4832 | if (intel_crtc->config->has_pch_encoder) { |
29407aab | 4833 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4834 | &intel_crtc->config->fdi_m_n, NULL); |
29407aab DV |
4835 | } |
4836 | ||
4837 | ironlake_set_pipeconf(crtc); | |
4838 | ||
f67a559d | 4839 | intel_crtc->active = true; |
8664281b | 4840 | |
a72e4c9f DV |
4841 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4842 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true); | |
8664281b | 4843 | |
f6736a1a | 4844 | for_each_encoder_on_crtc(dev, crtc, encoder) |
952735ee DV |
4845 | if (encoder->pre_enable) |
4846 | encoder->pre_enable(encoder); | |
f67a559d | 4847 | |
6e3c9717 | 4848 | if (intel_crtc->config->has_pch_encoder) { |
fff367c7 DV |
4849 | /* Note: FDI PLL enabling _must_ be done before we enable the |
4850 | * cpu pipes, hence this is separate from all the other fdi/pch | |
4851 | * enabling. */ | |
88cefb6c | 4852 | ironlake_fdi_pll_enable(intel_crtc); |
46b6f814 DV |
4853 | } else { |
4854 | assert_fdi_tx_disabled(dev_priv, pipe); | |
4855 | assert_fdi_rx_disabled(dev_priv, pipe); | |
4856 | } | |
f67a559d | 4857 | |
b074cec8 | 4858 | ironlake_pfit_enable(intel_crtc); |
f67a559d | 4859 | |
9c54c0dd JB |
4860 | /* |
4861 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4862 | * clocks enabled | |
4863 | */ | |
4864 | intel_crtc_load_lut(crtc); | |
4865 | ||
f37fcc2a | 4866 | intel_update_watermarks(crtc); |
e1fdc473 | 4867 | intel_enable_pipe(intel_crtc); |
f67a559d | 4868 | |
6e3c9717 | 4869 | if (intel_crtc->config->has_pch_encoder) |
f67a559d | 4870 | ironlake_pch_enable(crtc); |
c98e9dcf | 4871 | |
f9b61ff6 DV |
4872 | assert_vblank_disabled(crtc); |
4873 | drm_crtc_vblank_on(crtc); | |
4874 | ||
fa5c73b1 DV |
4875 | for_each_encoder_on_crtc(dev, crtc, encoder) |
4876 | encoder->enable(encoder); | |
61b77ddd DV |
4877 | |
4878 | if (HAS_PCH_CPT(dev)) | |
a1520318 | 4879 | cpt_verify_modeset(dev, intel_crtc->pipe); |
6be4a607 JB |
4880 | } |
4881 | ||
42db64ef PZ |
4882 | /* IPS only exists on ULT machines and is tied to pipe A. */ |
4883 | static bool hsw_crtc_supports_ips(struct intel_crtc *crtc) | |
4884 | { | |
f5adf94e | 4885 | return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A; |
42db64ef PZ |
4886 | } |
4887 | ||
4f771f10 PZ |
4888 | static void haswell_crtc_enable(struct drm_crtc *crtc) |
4889 | { | |
4890 | struct drm_device *dev = crtc->dev; | |
4891 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4892 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
4893 | struct intel_encoder *encoder; | |
99d736a2 ML |
4894 | int pipe = intel_crtc->pipe, hsw_workaround_pipe; |
4895 | struct intel_crtc_state *pipe_config = | |
4896 | to_intel_crtc_state(crtc->state); | |
7d4aefd0 | 4897 | bool is_dsi = intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI); |
4f771f10 | 4898 | |
53d9f4e9 | 4899 | if (WARN_ON(intel_crtc->active)) |
4f771f10 PZ |
4900 | return; |
4901 | ||
df8ad70c DV |
4902 | if (intel_crtc_to_shared_dpll(intel_crtc)) |
4903 | intel_enable_shared_dpll(intel_crtc); | |
4904 | ||
6e3c9717 | 4905 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 4906 | intel_dp_set_m_n(intel_crtc, M1_N1); |
229fca97 DV |
4907 | |
4908 | intel_set_pipe_timings(intel_crtc); | |
4909 | ||
6e3c9717 ACO |
4910 | if (intel_crtc->config->cpu_transcoder != TRANSCODER_EDP) { |
4911 | I915_WRITE(PIPE_MULT(intel_crtc->config->cpu_transcoder), | |
4912 | intel_crtc->config->pixel_multiplier - 1); | |
ebb69c95 CT |
4913 | } |
4914 | ||
6e3c9717 | 4915 | if (intel_crtc->config->has_pch_encoder) { |
229fca97 | 4916 | intel_cpu_transcoder_set_m_n(intel_crtc, |
6e3c9717 | 4917 | &intel_crtc->config->fdi_m_n, NULL); |
229fca97 DV |
4918 | } |
4919 | ||
4920 | haswell_set_pipeconf(crtc); | |
4921 | ||
4922 | intel_set_pipe_csc(crtc); | |
4923 | ||
4f771f10 | 4924 | intel_crtc->active = true; |
8664281b | 4925 | |
a72e4c9f | 4926 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
7d4aefd0 SS |
4927 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4928 | if (encoder->pre_pll_enable) | |
4929 | encoder->pre_pll_enable(encoder); | |
4f771f10 PZ |
4930 | if (encoder->pre_enable) |
4931 | encoder->pre_enable(encoder); | |
7d4aefd0 | 4932 | } |
4f771f10 | 4933 | |
6e3c9717 | 4934 | if (intel_crtc->config->has_pch_encoder) { |
a72e4c9f DV |
4935 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
4936 | true); | |
4fe9467d ID |
4937 | dev_priv->display.fdi_link_train(crtc); |
4938 | } | |
4939 | ||
7d4aefd0 SS |
4940 | if (!is_dsi) |
4941 | intel_ddi_enable_pipe_clock(intel_crtc); | |
4f771f10 | 4942 | |
1c132b44 | 4943 | if (INTEL_INFO(dev)->gen >= 9) |
e435d6e5 | 4944 | skylake_pfit_enable(intel_crtc); |
ff6d9f55 | 4945 | else |
1c132b44 | 4946 | ironlake_pfit_enable(intel_crtc); |
4f771f10 PZ |
4947 | |
4948 | /* | |
4949 | * On ILK+ LUT must be loaded before the pipe is running but with | |
4950 | * clocks enabled | |
4951 | */ | |
4952 | intel_crtc_load_lut(crtc); | |
4953 | ||
1f544388 | 4954 | intel_ddi_set_pipe_settings(crtc); |
7d4aefd0 SS |
4955 | if (!is_dsi) |
4956 | intel_ddi_enable_transcoder_func(crtc); | |
4f771f10 | 4957 | |
f37fcc2a | 4958 | intel_update_watermarks(crtc); |
e1fdc473 | 4959 | intel_enable_pipe(intel_crtc); |
42db64ef | 4960 | |
6e3c9717 | 4961 | if (intel_crtc->config->has_pch_encoder) |
1507e5bd | 4962 | lpt_pch_enable(crtc); |
4f771f10 | 4963 | |
7d4aefd0 | 4964 | if (intel_crtc->config->dp_encoder_is_mst && !is_dsi) |
0e32b39c DA |
4965 | intel_ddi_set_vc_payload_alloc(crtc, true); |
4966 | ||
f9b61ff6 DV |
4967 | assert_vblank_disabled(crtc); |
4968 | drm_crtc_vblank_on(crtc); | |
4969 | ||
8807e55b | 4970 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
4f771f10 | 4971 | encoder->enable(encoder); |
8807e55b JN |
4972 | intel_opregion_notify_encoder(encoder, true); |
4973 | } | |
4f771f10 | 4974 | |
e4916946 PZ |
4975 | /* If we change the relative order between pipe/planes enabling, we need |
4976 | * to change the workaround. */ | |
99d736a2 ML |
4977 | hsw_workaround_pipe = pipe_config->hsw_workaround_pipe; |
4978 | if (IS_HASWELL(dev) && hsw_workaround_pipe != INVALID_PIPE) { | |
4979 | intel_wait_for_vblank(dev, hsw_workaround_pipe); | |
4980 | intel_wait_for_vblank(dev, hsw_workaround_pipe); | |
4981 | } | |
4f771f10 PZ |
4982 | } |
4983 | ||
bfd16b2a | 4984 | static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force) |
3f8dce3a DV |
4985 | { |
4986 | struct drm_device *dev = crtc->base.dev; | |
4987 | struct drm_i915_private *dev_priv = dev->dev_private; | |
4988 | int pipe = crtc->pipe; | |
4989 | ||
4990 | /* To avoid upsetting the power well on haswell only disable the pfit if | |
4991 | * it's in use. The hw state code will make sure we get this right. */ | |
bfd16b2a | 4992 | if (force || crtc->config->pch_pfit.enabled) { |
3f8dce3a DV |
4993 | I915_WRITE(PF_CTL(pipe), 0); |
4994 | I915_WRITE(PF_WIN_POS(pipe), 0); | |
4995 | I915_WRITE(PF_WIN_SZ(pipe), 0); | |
4996 | } | |
4997 | } | |
4998 | ||
6be4a607 JB |
4999 | static void ironlake_crtc_disable(struct drm_crtc *crtc) |
5000 | { | |
5001 | struct drm_device *dev = crtc->dev; | |
5002 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5003 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 5004 | struct intel_encoder *encoder; |
6be4a607 | 5005 | int pipe = intel_crtc->pipe; |
5eddb70b | 5006 | u32 reg, temp; |
b52eb4dc | 5007 | |
ea9d758d DV |
5008 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5009 | encoder->disable(encoder); | |
5010 | ||
f9b61ff6 DV |
5011 | drm_crtc_vblank_off(crtc); |
5012 | assert_vblank_disabled(crtc); | |
5013 | ||
6e3c9717 | 5014 | if (intel_crtc->config->has_pch_encoder) |
a72e4c9f | 5015 | intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false); |
d925c59a | 5016 | |
575f7ab7 | 5017 | intel_disable_pipe(intel_crtc); |
32f9d658 | 5018 | |
bfd16b2a | 5019 | ironlake_pfit_disable(intel_crtc, false); |
2c07245f | 5020 | |
5a74f70a VS |
5021 | if (intel_crtc->config->has_pch_encoder) |
5022 | ironlake_fdi_disable(crtc); | |
5023 | ||
bf49ec8c DV |
5024 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5025 | if (encoder->post_disable) | |
5026 | encoder->post_disable(encoder); | |
2c07245f | 5027 | |
6e3c9717 | 5028 | if (intel_crtc->config->has_pch_encoder) { |
d925c59a | 5029 | ironlake_disable_pch_transcoder(dev_priv, pipe); |
6be4a607 | 5030 | |
d925c59a DV |
5031 | if (HAS_PCH_CPT(dev)) { |
5032 | /* disable TRANS_DP_CTL */ | |
5033 | reg = TRANS_DP_CTL(pipe); | |
5034 | temp = I915_READ(reg); | |
5035 | temp &= ~(TRANS_DP_OUTPUT_ENABLE | | |
5036 | TRANS_DP_PORT_SEL_MASK); | |
5037 | temp |= TRANS_DP_PORT_SEL_NONE; | |
5038 | I915_WRITE(reg, temp); | |
5039 | ||
5040 | /* disable DPLL_SEL */ | |
5041 | temp = I915_READ(PCH_DPLL_SEL); | |
11887397 | 5042 | temp &= ~(TRANS_DPLL_ENABLE(pipe) | TRANS_DPLLB_SEL(pipe)); |
d925c59a | 5043 | I915_WRITE(PCH_DPLL_SEL, temp); |
9db4a9c7 | 5044 | } |
e3421a18 | 5045 | |
d925c59a DV |
5046 | ironlake_fdi_pll_disable(intel_crtc); |
5047 | } | |
6be4a607 | 5048 | } |
1b3c7a47 | 5049 | |
4f771f10 | 5050 | static void haswell_crtc_disable(struct drm_crtc *crtc) |
ee7b9f93 | 5051 | { |
4f771f10 PZ |
5052 | struct drm_device *dev = crtc->dev; |
5053 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee7b9f93 | 5054 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
4f771f10 | 5055 | struct intel_encoder *encoder; |
6e3c9717 | 5056 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
7d4aefd0 | 5057 | bool is_dsi = intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI); |
ee7b9f93 | 5058 | |
8807e55b JN |
5059 | for_each_encoder_on_crtc(dev, crtc, encoder) { |
5060 | intel_opregion_notify_encoder(encoder, false); | |
4f771f10 | 5061 | encoder->disable(encoder); |
8807e55b | 5062 | } |
4f771f10 | 5063 | |
f9b61ff6 DV |
5064 | drm_crtc_vblank_off(crtc); |
5065 | assert_vblank_disabled(crtc); | |
5066 | ||
6e3c9717 | 5067 | if (intel_crtc->config->has_pch_encoder) |
a72e4c9f DV |
5068 | intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A, |
5069 | false); | |
575f7ab7 | 5070 | intel_disable_pipe(intel_crtc); |
4f771f10 | 5071 | |
6e3c9717 | 5072 | if (intel_crtc->config->dp_encoder_is_mst) |
a4bf214f VS |
5073 | intel_ddi_set_vc_payload_alloc(crtc, false); |
5074 | ||
7d4aefd0 SS |
5075 | if (!is_dsi) |
5076 | intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder); | |
4f771f10 | 5077 | |
1c132b44 | 5078 | if (INTEL_INFO(dev)->gen >= 9) |
e435d6e5 | 5079 | skylake_scaler_disable(intel_crtc); |
ff6d9f55 | 5080 | else |
bfd16b2a | 5081 | ironlake_pfit_disable(intel_crtc, false); |
4f771f10 | 5082 | |
7d4aefd0 SS |
5083 | if (!is_dsi) |
5084 | intel_ddi_disable_pipe_clock(intel_crtc); | |
4f771f10 | 5085 | |
6e3c9717 | 5086 | if (intel_crtc->config->has_pch_encoder) { |
ab4d966c | 5087 | lpt_disable_pch_transcoder(dev_priv); |
1ad960f2 | 5088 | intel_ddi_fdi_disable(crtc); |
83616634 | 5089 | } |
4f771f10 | 5090 | |
97b040aa ID |
5091 | for_each_encoder_on_crtc(dev, crtc, encoder) |
5092 | if (encoder->post_disable) | |
5093 | encoder->post_disable(encoder); | |
4f771f10 PZ |
5094 | } |
5095 | ||
2dd24552 JB |
5096 | static void i9xx_pfit_enable(struct intel_crtc *crtc) |
5097 | { | |
5098 | struct drm_device *dev = crtc->base.dev; | |
5099 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6e3c9717 | 5100 | struct intel_crtc_state *pipe_config = crtc->config; |
2dd24552 | 5101 | |
681a8504 | 5102 | if (!pipe_config->gmch_pfit.control) |
2dd24552 JB |
5103 | return; |
5104 | ||
2dd24552 | 5105 | /* |
c0b03411 DV |
5106 | * The panel fitter should only be adjusted whilst the pipe is disabled, |
5107 | * according to register description and PRM. | |
2dd24552 | 5108 | */ |
c0b03411 DV |
5109 | WARN_ON(I915_READ(PFIT_CONTROL) & PFIT_ENABLE); |
5110 | assert_pipe_disabled(dev_priv, crtc->pipe); | |
2dd24552 | 5111 | |
b074cec8 JB |
5112 | I915_WRITE(PFIT_PGM_RATIOS, pipe_config->gmch_pfit.pgm_ratios); |
5113 | I915_WRITE(PFIT_CONTROL, pipe_config->gmch_pfit.control); | |
5a80c45c DV |
5114 | |
5115 | /* Border color in case we don't scale up to the full screen. Black by | |
5116 | * default, change to something else for debugging. */ | |
5117 | I915_WRITE(BCLRPAT(crtc->pipe), 0); | |
2dd24552 JB |
5118 | } |
5119 | ||
d05410f9 DA |
5120 | static enum intel_display_power_domain port_to_power_domain(enum port port) |
5121 | { | |
5122 | switch (port) { | |
5123 | case PORT_A: | |
5124 | return POWER_DOMAIN_PORT_DDI_A_4_LANES; | |
5125 | case PORT_B: | |
5126 | return POWER_DOMAIN_PORT_DDI_B_4_LANES; | |
5127 | case PORT_C: | |
5128 | return POWER_DOMAIN_PORT_DDI_C_4_LANES; | |
5129 | case PORT_D: | |
5130 | return POWER_DOMAIN_PORT_DDI_D_4_LANES; | |
d8e19f99 XZ |
5131 | case PORT_E: |
5132 | return POWER_DOMAIN_PORT_DDI_E_2_LANES; | |
d05410f9 DA |
5133 | default: |
5134 | WARN_ON_ONCE(1); | |
5135 | return POWER_DOMAIN_PORT_OTHER; | |
5136 | } | |
5137 | } | |
5138 | ||
77d22dca ID |
5139 | #define for_each_power_domain(domain, mask) \ |
5140 | for ((domain) = 0; (domain) < POWER_DOMAIN_NUM; (domain)++) \ | |
5141 | if ((1 << (domain)) & (mask)) | |
5142 | ||
319be8ae ID |
5143 | enum intel_display_power_domain |
5144 | intel_display_port_power_domain(struct intel_encoder *intel_encoder) | |
5145 | { | |
5146 | struct drm_device *dev = intel_encoder->base.dev; | |
5147 | struct intel_digital_port *intel_dig_port; | |
5148 | ||
5149 | switch (intel_encoder->type) { | |
5150 | case INTEL_OUTPUT_UNKNOWN: | |
5151 | /* Only DDI platforms should ever use this output type */ | |
5152 | WARN_ON_ONCE(!HAS_DDI(dev)); | |
5153 | case INTEL_OUTPUT_DISPLAYPORT: | |
5154 | case INTEL_OUTPUT_HDMI: | |
5155 | case INTEL_OUTPUT_EDP: | |
5156 | intel_dig_port = enc_to_dig_port(&intel_encoder->base); | |
d05410f9 | 5157 | return port_to_power_domain(intel_dig_port->port); |
0e32b39c DA |
5158 | case INTEL_OUTPUT_DP_MST: |
5159 | intel_dig_port = enc_to_mst(&intel_encoder->base)->primary; | |
5160 | return port_to_power_domain(intel_dig_port->port); | |
319be8ae ID |
5161 | case INTEL_OUTPUT_ANALOG: |
5162 | return POWER_DOMAIN_PORT_CRT; | |
5163 | case INTEL_OUTPUT_DSI: | |
5164 | return POWER_DOMAIN_PORT_DSI; | |
5165 | default: | |
5166 | return POWER_DOMAIN_PORT_OTHER; | |
5167 | } | |
5168 | } | |
5169 | ||
5170 | static unsigned long get_crtc_power_domains(struct drm_crtc *crtc) | |
77d22dca | 5171 | { |
319be8ae ID |
5172 | struct drm_device *dev = crtc->dev; |
5173 | struct intel_encoder *intel_encoder; | |
5174 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5175 | enum pipe pipe = intel_crtc->pipe; | |
77d22dca ID |
5176 | unsigned long mask; |
5177 | enum transcoder transcoder; | |
5178 | ||
292b990e ML |
5179 | if (!crtc->state->active) |
5180 | return 0; | |
5181 | ||
77d22dca ID |
5182 | transcoder = intel_pipe_to_cpu_transcoder(dev->dev_private, pipe); |
5183 | ||
5184 | mask = BIT(POWER_DOMAIN_PIPE(pipe)); | |
5185 | mask |= BIT(POWER_DOMAIN_TRANSCODER(transcoder)); | |
6e3c9717 ACO |
5186 | if (intel_crtc->config->pch_pfit.enabled || |
5187 | intel_crtc->config->pch_pfit.force_thru) | |
77d22dca ID |
5188 | mask |= BIT(POWER_DOMAIN_PIPE_PANEL_FITTER(pipe)); |
5189 | ||
319be8ae ID |
5190 | for_each_encoder_on_crtc(dev, crtc, intel_encoder) |
5191 | mask |= BIT(intel_display_port_power_domain(intel_encoder)); | |
5192 | ||
77d22dca ID |
5193 | return mask; |
5194 | } | |
5195 | ||
292b990e | 5196 | static unsigned long modeset_get_crtc_power_domains(struct drm_crtc *crtc) |
77d22dca | 5197 | { |
292b990e ML |
5198 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
5199 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
5200 | enum intel_display_power_domain domain; | |
5201 | unsigned long domains, new_domains, old_domains; | |
77d22dca | 5202 | |
292b990e ML |
5203 | old_domains = intel_crtc->enabled_power_domains; |
5204 | intel_crtc->enabled_power_domains = new_domains = get_crtc_power_domains(crtc); | |
77d22dca | 5205 | |
292b990e ML |
5206 | domains = new_domains & ~old_domains; |
5207 | ||
5208 | for_each_power_domain(domain, domains) | |
5209 | intel_display_power_get(dev_priv, domain); | |
5210 | ||
5211 | return old_domains & ~new_domains; | |
5212 | } | |
5213 | ||
5214 | static void modeset_put_power_domains(struct drm_i915_private *dev_priv, | |
5215 | unsigned long domains) | |
5216 | { | |
5217 | enum intel_display_power_domain domain; | |
5218 | ||
5219 | for_each_power_domain(domain, domains) | |
5220 | intel_display_power_put(dev_priv, domain); | |
5221 | } | |
77d22dca | 5222 | |
292b990e ML |
5223 | static void modeset_update_crtc_power_domains(struct drm_atomic_state *state) |
5224 | { | |
5225 | struct drm_device *dev = state->dev; | |
5226 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5227 | unsigned long put_domains[I915_MAX_PIPES] = {}; | |
5228 | struct drm_crtc_state *crtc_state; | |
5229 | struct drm_crtc *crtc; | |
5230 | int i; | |
77d22dca | 5231 | |
292b990e ML |
5232 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
5233 | if (needs_modeset(crtc->state)) | |
5234 | put_domains[to_intel_crtc(crtc)->pipe] = | |
5235 | modeset_get_crtc_power_domains(crtc); | |
77d22dca ID |
5236 | } |
5237 | ||
27c329ed ML |
5238 | if (dev_priv->display.modeset_commit_cdclk) { |
5239 | unsigned int cdclk = to_intel_atomic_state(state)->cdclk; | |
5240 | ||
5241 | if (cdclk != dev_priv->cdclk_freq && | |
5242 | !WARN_ON(!state->allow_modeset)) | |
5243 | dev_priv->display.modeset_commit_cdclk(state); | |
5244 | } | |
50f6e502 | 5245 | |
292b990e ML |
5246 | for (i = 0; i < I915_MAX_PIPES; i++) |
5247 | if (put_domains[i]) | |
5248 | modeset_put_power_domains(dev_priv, put_domains[i]); | |
77d22dca ID |
5249 | } |
5250 | ||
adafdc6f MK |
5251 | static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv) |
5252 | { | |
5253 | int max_cdclk_freq = dev_priv->max_cdclk_freq; | |
5254 | ||
5255 | if (INTEL_INFO(dev_priv)->gen >= 9 || | |
5256 | IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) | |
5257 | return max_cdclk_freq; | |
5258 | else if (IS_CHERRYVIEW(dev_priv)) | |
5259 | return max_cdclk_freq*95/100; | |
5260 | else if (INTEL_INFO(dev_priv)->gen < 4) | |
5261 | return 2*max_cdclk_freq*90/100; | |
5262 | else | |
5263 | return max_cdclk_freq*90/100; | |
5264 | } | |
5265 | ||
560a7ae4 DL |
5266 | static void intel_update_max_cdclk(struct drm_device *dev) |
5267 | { | |
5268 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5269 | ||
ef11bdb3 | 5270 | if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { |
560a7ae4 DL |
5271 | u32 limit = I915_READ(SKL_DFSM) & SKL_DFSM_CDCLK_LIMIT_MASK; |
5272 | ||
5273 | if (limit == SKL_DFSM_CDCLK_LIMIT_675) | |
5274 | dev_priv->max_cdclk_freq = 675000; | |
5275 | else if (limit == SKL_DFSM_CDCLK_LIMIT_540) | |
5276 | dev_priv->max_cdclk_freq = 540000; | |
5277 | else if (limit == SKL_DFSM_CDCLK_LIMIT_450) | |
5278 | dev_priv->max_cdclk_freq = 450000; | |
5279 | else | |
5280 | dev_priv->max_cdclk_freq = 337500; | |
5281 | } else if (IS_BROADWELL(dev)) { | |
5282 | /* | |
5283 | * FIXME with extra cooling we can allow | |
5284 | * 540 MHz for ULX and 675 Mhz for ULT. | |
5285 | * How can we know if extra cooling is | |
5286 | * available? PCI ID, VTB, something else? | |
5287 | */ | |
5288 | if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
5289 | dev_priv->max_cdclk_freq = 450000; | |
5290 | else if (IS_BDW_ULX(dev)) | |
5291 | dev_priv->max_cdclk_freq = 450000; | |
5292 | else if (IS_BDW_ULT(dev)) | |
5293 | dev_priv->max_cdclk_freq = 540000; | |
5294 | else | |
5295 | dev_priv->max_cdclk_freq = 675000; | |
0904deaf MK |
5296 | } else if (IS_CHERRYVIEW(dev)) { |
5297 | dev_priv->max_cdclk_freq = 320000; | |
560a7ae4 DL |
5298 | } else if (IS_VALLEYVIEW(dev)) { |
5299 | dev_priv->max_cdclk_freq = 400000; | |
5300 | } else { | |
5301 | /* otherwise assume cdclk is fixed */ | |
5302 | dev_priv->max_cdclk_freq = dev_priv->cdclk_freq; | |
5303 | } | |
5304 | ||
adafdc6f MK |
5305 | dev_priv->max_dotclk_freq = intel_compute_max_dotclk(dev_priv); |
5306 | ||
560a7ae4 DL |
5307 | DRM_DEBUG_DRIVER("Max CD clock rate: %d kHz\n", |
5308 | dev_priv->max_cdclk_freq); | |
adafdc6f MK |
5309 | |
5310 | DRM_DEBUG_DRIVER("Max dotclock rate: %d kHz\n", | |
5311 | dev_priv->max_dotclk_freq); | |
560a7ae4 DL |
5312 | } |
5313 | ||
5314 | static void intel_update_cdclk(struct drm_device *dev) | |
5315 | { | |
5316 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5317 | ||
5318 | dev_priv->cdclk_freq = dev_priv->display.get_display_clock_speed(dev); | |
5319 | DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n", | |
5320 | dev_priv->cdclk_freq); | |
5321 | ||
5322 | /* | |
5323 | * Program the gmbus_freq based on the cdclk frequency. | |
5324 | * BSpec erroneously claims we should aim for 4MHz, but | |
5325 | * in fact 1MHz is the correct frequency. | |
5326 | */ | |
5327 | if (IS_VALLEYVIEW(dev)) { | |
5328 | /* | |
5329 | * Program the gmbus_freq based on the cdclk frequency. | |
5330 | * BSpec erroneously claims we should aim for 4MHz, but | |
5331 | * in fact 1MHz is the correct frequency. | |
5332 | */ | |
5333 | I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->cdclk_freq, 1000)); | |
5334 | } | |
5335 | ||
5336 | if (dev_priv->max_cdclk_freq == 0) | |
5337 | intel_update_max_cdclk(dev); | |
5338 | } | |
5339 | ||
70d0c574 | 5340 | static void broxton_set_cdclk(struct drm_device *dev, int frequency) |
f8437dd1 VK |
5341 | { |
5342 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5343 | uint32_t divider; | |
5344 | uint32_t ratio; | |
5345 | uint32_t current_freq; | |
5346 | int ret; | |
5347 | ||
5348 | /* frequency = 19.2MHz * ratio / 2 / div{1,1.5,2,4} */ | |
5349 | switch (frequency) { | |
5350 | case 144000: | |
5351 | divider = BXT_CDCLK_CD2X_DIV_SEL_4; | |
5352 | ratio = BXT_DE_PLL_RATIO(60); | |
5353 | break; | |
5354 | case 288000: | |
5355 | divider = BXT_CDCLK_CD2X_DIV_SEL_2; | |
5356 | ratio = BXT_DE_PLL_RATIO(60); | |
5357 | break; | |
5358 | case 384000: | |
5359 | divider = BXT_CDCLK_CD2X_DIV_SEL_1_5; | |
5360 | ratio = BXT_DE_PLL_RATIO(60); | |
5361 | break; | |
5362 | case 576000: | |
5363 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; | |
5364 | ratio = BXT_DE_PLL_RATIO(60); | |
5365 | break; | |
5366 | case 624000: | |
5367 | divider = BXT_CDCLK_CD2X_DIV_SEL_1; | |
5368 | ratio = BXT_DE_PLL_RATIO(65); | |
5369 | break; | |
5370 | case 19200: | |
5371 | /* | |
5372 | * Bypass frequency with DE PLL disabled. Init ratio, divider | |
5373 | * to suppress GCC warning. | |
5374 | */ | |
5375 | ratio = 0; | |
5376 | divider = 0; | |
5377 | break; | |
5378 | default: | |
5379 | DRM_ERROR("unsupported CDCLK freq %d", frequency); | |
5380 | ||
5381 | return; | |
5382 | } | |
5383 | ||
5384 | mutex_lock(&dev_priv->rps.hw_lock); | |
5385 | /* Inform power controller of upcoming frequency change */ | |
5386 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
5387 | 0x80000000); | |
5388 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5389 | ||
5390 | if (ret) { | |
5391 | DRM_ERROR("PCode CDCLK freq change notify failed (err %d, freq %d)\n", | |
5392 | ret, frequency); | |
5393 | return; | |
5394 | } | |
5395 | ||
5396 | current_freq = I915_READ(CDCLK_CTL) & CDCLK_FREQ_DECIMAL_MASK; | |
5397 | /* convert from .1 fixpoint MHz with -1MHz offset to kHz */ | |
5398 | current_freq = current_freq * 500 + 1000; | |
5399 | ||
5400 | /* | |
5401 | * DE PLL has to be disabled when | |
5402 | * - setting to 19.2MHz (bypass, PLL isn't used) | |
5403 | * - before setting to 624MHz (PLL needs toggling) | |
5404 | * - before setting to any frequency from 624MHz (PLL needs toggling) | |
5405 | */ | |
5406 | if (frequency == 19200 || frequency == 624000 || | |
5407 | current_freq == 624000) { | |
5408 | I915_WRITE(BXT_DE_PLL_ENABLE, ~BXT_DE_PLL_PLL_ENABLE); | |
5409 | /* Timeout 200us */ | |
5410 | if (wait_for(!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK), | |
5411 | 1)) | |
5412 | DRM_ERROR("timout waiting for DE PLL unlock\n"); | |
5413 | } | |
5414 | ||
5415 | if (frequency != 19200) { | |
5416 | uint32_t val; | |
5417 | ||
5418 | val = I915_READ(BXT_DE_PLL_CTL); | |
5419 | val &= ~BXT_DE_PLL_RATIO_MASK; | |
5420 | val |= ratio; | |
5421 | I915_WRITE(BXT_DE_PLL_CTL, val); | |
5422 | ||
5423 | I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE); | |
5424 | /* Timeout 200us */ | |
5425 | if (wait_for(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK, 1)) | |
5426 | DRM_ERROR("timeout waiting for DE PLL lock\n"); | |
5427 | ||
5428 | val = I915_READ(CDCLK_CTL); | |
5429 | val &= ~BXT_CDCLK_CD2X_DIV_SEL_MASK; | |
5430 | val |= divider; | |
5431 | /* | |
5432 | * Disable SSA Precharge when CD clock frequency < 500 MHz, | |
5433 | * enable otherwise. | |
5434 | */ | |
5435 | val &= ~BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
5436 | if (frequency >= 500000) | |
5437 | val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE; | |
5438 | ||
5439 | val &= ~CDCLK_FREQ_DECIMAL_MASK; | |
5440 | /* convert from kHz to .1 fixpoint MHz with -1MHz offset */ | |
5441 | val |= (frequency - 1000) / 500; | |
5442 | I915_WRITE(CDCLK_CTL, val); | |
5443 | } | |
5444 | ||
5445 | mutex_lock(&dev_priv->rps.hw_lock); | |
5446 | ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, | |
5447 | DIV_ROUND_UP(frequency, 25000)); | |
5448 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5449 | ||
5450 | if (ret) { | |
5451 | DRM_ERROR("PCode CDCLK freq set failed, (err %d, freq %d)\n", | |
5452 | ret, frequency); | |
5453 | return; | |
5454 | } | |
5455 | ||
a47871bd | 5456 | intel_update_cdclk(dev); |
f8437dd1 VK |
5457 | } |
5458 | ||
5459 | void broxton_init_cdclk(struct drm_device *dev) | |
5460 | { | |
5461 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5462 | uint32_t val; | |
5463 | ||
5464 | /* | |
5465 | * NDE_RSTWRN_OPT RST PCH Handshake En must always be 0b on BXT | |
5466 | * or else the reset will hang because there is no PCH to respond. | |
5467 | * Move the handshake programming to initialization sequence. | |
5468 | * Previously was left up to BIOS. | |
5469 | */ | |
5470 | val = I915_READ(HSW_NDE_RSTWRN_OPT); | |
5471 | val &= ~RESET_PCH_HANDSHAKE_ENABLE; | |
5472 | I915_WRITE(HSW_NDE_RSTWRN_OPT, val); | |
5473 | ||
5474 | /* Enable PG1 for cdclk */ | |
5475 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); | |
5476 | ||
5477 | /* check if cd clock is enabled */ | |
5478 | if (I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_PLL_ENABLE) { | |
5479 | DRM_DEBUG_KMS("Display already initialized\n"); | |
5480 | return; | |
5481 | } | |
5482 | ||
5483 | /* | |
5484 | * FIXME: | |
5485 | * - The initial CDCLK needs to be read from VBT. | |
5486 | * Need to make this change after VBT has changes for BXT. | |
5487 | * - check if setting the max (or any) cdclk freq is really necessary | |
5488 | * here, it belongs to modeset time | |
5489 | */ | |
5490 | broxton_set_cdclk(dev, 624000); | |
5491 | ||
5492 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST); | |
22e02c0b VS |
5493 | POSTING_READ(DBUF_CTL); |
5494 | ||
f8437dd1 VK |
5495 | udelay(10); |
5496 | ||
5497 | if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) | |
5498 | DRM_ERROR("DBuf power enable timeout!\n"); | |
5499 | } | |
5500 | ||
5501 | void broxton_uninit_cdclk(struct drm_device *dev) | |
5502 | { | |
5503 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5504 | ||
5505 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST); | |
22e02c0b VS |
5506 | POSTING_READ(DBUF_CTL); |
5507 | ||
f8437dd1 VK |
5508 | udelay(10); |
5509 | ||
5510 | if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE) | |
5511 | DRM_ERROR("DBuf power disable timeout!\n"); | |
5512 | ||
5513 | /* Set minimum (bypass) frequency, in effect turning off the DE PLL */ | |
5514 | broxton_set_cdclk(dev, 19200); | |
5515 | ||
5516 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
5517 | } | |
5518 | ||
5d96d8af DL |
5519 | static const struct skl_cdclk_entry { |
5520 | unsigned int freq; | |
5521 | unsigned int vco; | |
5522 | } skl_cdclk_frequencies[] = { | |
5523 | { .freq = 308570, .vco = 8640 }, | |
5524 | { .freq = 337500, .vco = 8100 }, | |
5525 | { .freq = 432000, .vco = 8640 }, | |
5526 | { .freq = 450000, .vco = 8100 }, | |
5527 | { .freq = 540000, .vco = 8100 }, | |
5528 | { .freq = 617140, .vco = 8640 }, | |
5529 | { .freq = 675000, .vco = 8100 }, | |
5530 | }; | |
5531 | ||
5532 | static unsigned int skl_cdclk_decimal(unsigned int freq) | |
5533 | { | |
5534 | return (freq - 1000) / 500; | |
5535 | } | |
5536 | ||
5537 | static unsigned int skl_cdclk_get_vco(unsigned int freq) | |
5538 | { | |
5539 | unsigned int i; | |
5540 | ||
5541 | for (i = 0; i < ARRAY_SIZE(skl_cdclk_frequencies); i++) { | |
5542 | const struct skl_cdclk_entry *e = &skl_cdclk_frequencies[i]; | |
5543 | ||
5544 | if (e->freq == freq) | |
5545 | return e->vco; | |
5546 | } | |
5547 | ||
5548 | return 8100; | |
5549 | } | |
5550 | ||
5551 | static void | |
5552 | skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco) | |
5553 | { | |
5554 | unsigned int min_freq; | |
5555 | u32 val; | |
5556 | ||
5557 | /* select the minimum CDCLK before enabling DPLL 0 */ | |
5558 | val = I915_READ(CDCLK_CTL); | |
5559 | val &= ~CDCLK_FREQ_SEL_MASK | ~CDCLK_FREQ_DECIMAL_MASK; | |
5560 | val |= CDCLK_FREQ_337_308; | |
5561 | ||
5562 | if (required_vco == 8640) | |
5563 | min_freq = 308570; | |
5564 | else | |
5565 | min_freq = 337500; | |
5566 | ||
5567 | val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_freq); | |
5568 | ||
5569 | I915_WRITE(CDCLK_CTL, val); | |
5570 | POSTING_READ(CDCLK_CTL); | |
5571 | ||
5572 | /* | |
5573 | * We always enable DPLL0 with the lowest link rate possible, but still | |
5574 | * taking into account the VCO required to operate the eDP panel at the | |
5575 | * desired frequency. The usual DP link rates operate with a VCO of | |
5576 | * 8100 while the eDP 1.4 alternate link rates need a VCO of 8640. | |
5577 | * The modeset code is responsible for the selection of the exact link | |
5578 | * rate later on, with the constraint of choosing a frequency that | |
5579 | * works with required_vco. | |
5580 | */ | |
5581 | val = I915_READ(DPLL_CTRL1); | |
5582 | ||
5583 | val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) | | |
5584 | DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)); | |
5585 | val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0); | |
5586 | if (required_vco == 8640) | |
5587 | val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080, | |
5588 | SKL_DPLL0); | |
5589 | else | |
5590 | val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810, | |
5591 | SKL_DPLL0); | |
5592 | ||
5593 | I915_WRITE(DPLL_CTRL1, val); | |
5594 | POSTING_READ(DPLL_CTRL1); | |
5595 | ||
5596 | I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) | LCPLL_PLL_ENABLE); | |
5597 | ||
5598 | if (wait_for(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK, 5)) | |
5599 | DRM_ERROR("DPLL0 not locked\n"); | |
5600 | } | |
5601 | ||
5602 | static bool skl_cdclk_pcu_ready(struct drm_i915_private *dev_priv) | |
5603 | { | |
5604 | int ret; | |
5605 | u32 val; | |
5606 | ||
5607 | /* inform PCU we want to change CDCLK */ | |
5608 | val = SKL_CDCLK_PREPARE_FOR_CHANGE; | |
5609 | mutex_lock(&dev_priv->rps.hw_lock); | |
5610 | ret = sandybridge_pcode_read(dev_priv, SKL_PCODE_CDCLK_CONTROL, &val); | |
5611 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5612 | ||
5613 | return ret == 0 && (val & SKL_CDCLK_READY_FOR_CHANGE); | |
5614 | } | |
5615 | ||
5616 | static bool skl_cdclk_wait_for_pcu_ready(struct drm_i915_private *dev_priv) | |
5617 | { | |
5618 | unsigned int i; | |
5619 | ||
5620 | for (i = 0; i < 15; i++) { | |
5621 | if (skl_cdclk_pcu_ready(dev_priv)) | |
5622 | return true; | |
5623 | udelay(10); | |
5624 | } | |
5625 | ||
5626 | return false; | |
5627 | } | |
5628 | ||
5629 | static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq) | |
5630 | { | |
560a7ae4 | 5631 | struct drm_device *dev = dev_priv->dev; |
5d96d8af DL |
5632 | u32 freq_select, pcu_ack; |
5633 | ||
5634 | DRM_DEBUG_DRIVER("Changing CDCLK to %dKHz\n", freq); | |
5635 | ||
5636 | if (!skl_cdclk_wait_for_pcu_ready(dev_priv)) { | |
5637 | DRM_ERROR("failed to inform PCU about cdclk change\n"); | |
5638 | return; | |
5639 | } | |
5640 | ||
5641 | /* set CDCLK_CTL */ | |
5642 | switch(freq) { | |
5643 | case 450000: | |
5644 | case 432000: | |
5645 | freq_select = CDCLK_FREQ_450_432; | |
5646 | pcu_ack = 1; | |
5647 | break; | |
5648 | case 540000: | |
5649 | freq_select = CDCLK_FREQ_540; | |
5650 | pcu_ack = 2; | |
5651 | break; | |
5652 | case 308570: | |
5653 | case 337500: | |
5654 | default: | |
5655 | freq_select = CDCLK_FREQ_337_308; | |
5656 | pcu_ack = 0; | |
5657 | break; | |
5658 | case 617140: | |
5659 | case 675000: | |
5660 | freq_select = CDCLK_FREQ_675_617; | |
5661 | pcu_ack = 3; | |
5662 | break; | |
5663 | } | |
5664 | ||
5665 | I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(freq)); | |
5666 | POSTING_READ(CDCLK_CTL); | |
5667 | ||
5668 | /* inform PCU of the change */ | |
5669 | mutex_lock(&dev_priv->rps.hw_lock); | |
5670 | sandybridge_pcode_write(dev_priv, SKL_PCODE_CDCLK_CONTROL, pcu_ack); | |
5671 | mutex_unlock(&dev_priv->rps.hw_lock); | |
560a7ae4 DL |
5672 | |
5673 | intel_update_cdclk(dev); | |
5d96d8af DL |
5674 | } |
5675 | ||
5676 | void skl_uninit_cdclk(struct drm_i915_private *dev_priv) | |
5677 | { | |
5678 | /* disable DBUF power */ | |
5679 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST); | |
5680 | POSTING_READ(DBUF_CTL); | |
5681 | ||
5682 | udelay(10); | |
5683 | ||
5684 | if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE) | |
5685 | DRM_ERROR("DBuf power disable timeout\n"); | |
5686 | ||
4e961e42 AM |
5687 | /* |
5688 | * DMC assumes ownership of LCPLL and will get confused if we touch it. | |
5689 | */ | |
5690 | if (dev_priv->csr.dmc_payload) { | |
5691 | /* disable DPLL0 */ | |
5692 | I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & | |
5693 | ~LCPLL_PLL_ENABLE); | |
5694 | if (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 1)) | |
5695 | DRM_ERROR("Couldn't disable DPLL0\n"); | |
5696 | } | |
5d96d8af DL |
5697 | |
5698 | intel_display_power_put(dev_priv, POWER_DOMAIN_PLLS); | |
5699 | } | |
5700 | ||
5701 | void skl_init_cdclk(struct drm_i915_private *dev_priv) | |
5702 | { | |
5703 | u32 val; | |
5704 | unsigned int required_vco; | |
5705 | ||
5706 | /* enable PCH reset handshake */ | |
5707 | val = I915_READ(HSW_NDE_RSTWRN_OPT); | |
5708 | I915_WRITE(HSW_NDE_RSTWRN_OPT, val | RESET_PCH_HANDSHAKE_ENABLE); | |
5709 | ||
5710 | /* enable PG1 and Misc I/O */ | |
5711 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); | |
5712 | ||
39d9b85a GW |
5713 | /* DPLL0 not enabled (happens on early BIOS versions) */ |
5714 | if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE)) { | |
5715 | /* enable DPLL0 */ | |
5716 | required_vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk); | |
5717 | skl_dpll0_enable(dev_priv, required_vco); | |
5d96d8af DL |
5718 | } |
5719 | ||
5d96d8af DL |
5720 | /* set CDCLK to the frequency the BIOS chose */ |
5721 | skl_set_cdclk(dev_priv, dev_priv->skl_boot_cdclk); | |
5722 | ||
5723 | /* enable DBUF power */ | |
5724 | I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST); | |
5725 | POSTING_READ(DBUF_CTL); | |
5726 | ||
5727 | udelay(10); | |
5728 | ||
5729 | if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) | |
5730 | DRM_ERROR("DBuf power enable timeout\n"); | |
5731 | } | |
5732 | ||
c73666f3 SK |
5733 | int skl_sanitize_cdclk(struct drm_i915_private *dev_priv) |
5734 | { | |
5735 | uint32_t lcpll1 = I915_READ(LCPLL1_CTL); | |
5736 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
5737 | int freq = dev_priv->skl_boot_cdclk; | |
5738 | ||
f1b391a5 SK |
5739 | /* |
5740 | * check if the pre-os intialized the display | |
5741 | * There is SWF18 scratchpad register defined which is set by the | |
5742 | * pre-os which can be used by the OS drivers to check the status | |
5743 | */ | |
5744 | if ((I915_READ(SWF_ILK(0x18)) & 0x00FFFFFF) == 0) | |
5745 | goto sanitize; | |
5746 | ||
c73666f3 SK |
5747 | /* Is PLL enabled and locked ? */ |
5748 | if (!((lcpll1 & LCPLL_PLL_ENABLE) && (lcpll1 & LCPLL_PLL_LOCK))) | |
5749 | goto sanitize; | |
5750 | ||
5751 | /* DPLL okay; verify the cdclock | |
5752 | * | |
5753 | * Noticed in some instances that the freq selection is correct but | |
5754 | * decimal part is programmed wrong from BIOS where pre-os does not | |
5755 | * enable display. Verify the same as well. | |
5756 | */ | |
5757 | if (cdctl == ((cdctl & CDCLK_FREQ_SEL_MASK) | skl_cdclk_decimal(freq))) | |
5758 | /* All well; nothing to sanitize */ | |
5759 | return false; | |
5760 | sanitize: | |
5761 | /* | |
5762 | * As of now initialize with max cdclk till | |
5763 | * we get dynamic cdclk support | |
5764 | * */ | |
5765 | dev_priv->skl_boot_cdclk = dev_priv->max_cdclk_freq; | |
5766 | skl_init_cdclk(dev_priv); | |
5767 | ||
5768 | /* we did have to sanitize */ | |
5769 | return true; | |
5770 | } | |
5771 | ||
30a970c6 JB |
5772 | /* Adjust CDclk dividers to allow high res or save power if possible */ |
5773 | static void valleyview_set_cdclk(struct drm_device *dev, int cdclk) | |
5774 | { | |
5775 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5776 | u32 val, cmd; | |
5777 | ||
164dfd28 VK |
5778 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
5779 | != dev_priv->cdclk_freq); | |
d60c4473 | 5780 | |
dfcab17e | 5781 | if (cdclk >= 320000) /* jump to highest voltage for 400MHz too */ |
30a970c6 | 5782 | cmd = 2; |
dfcab17e | 5783 | else if (cdclk == 266667) |
30a970c6 JB |
5784 | cmd = 1; |
5785 | else | |
5786 | cmd = 0; | |
5787 | ||
5788 | mutex_lock(&dev_priv->rps.hw_lock); | |
5789 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5790 | val &= ~DSPFREQGUAR_MASK; | |
5791 | val |= (cmd << DSPFREQGUAR_SHIFT); | |
5792 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5793 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5794 | DSPFREQSTAT_MASK) == (cmd << DSPFREQSTAT_SHIFT), | |
5795 | 50)) { | |
5796 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5797 | } | |
5798 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5799 | ||
54433e91 VS |
5800 | mutex_lock(&dev_priv->sb_lock); |
5801 | ||
dfcab17e | 5802 | if (cdclk == 400000) { |
6bcda4f0 | 5803 | u32 divider; |
30a970c6 | 5804 | |
6bcda4f0 | 5805 | divider = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; |
30a970c6 | 5806 | |
30a970c6 JB |
5807 | /* adjust cdclk divider */ |
5808 | val = vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL); | |
87d5d259 | 5809 | val &= ~CCK_FREQUENCY_VALUES; |
30a970c6 JB |
5810 | val |= divider; |
5811 | vlv_cck_write(dev_priv, CCK_DISPLAY_CLOCK_CONTROL, val); | |
a877e801 VS |
5812 | |
5813 | if (wait_for((vlv_cck_read(dev_priv, CCK_DISPLAY_CLOCK_CONTROL) & | |
87d5d259 | 5814 | CCK_FREQUENCY_STATUS) == (divider << CCK_FREQUENCY_STATUS_SHIFT), |
a877e801 VS |
5815 | 50)) |
5816 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
30a970c6 JB |
5817 | } |
5818 | ||
30a970c6 JB |
5819 | /* adjust self-refresh exit latency value */ |
5820 | val = vlv_bunit_read(dev_priv, BUNIT_REG_BISOC); | |
5821 | val &= ~0x7f; | |
5822 | ||
5823 | /* | |
5824 | * For high bandwidth configs, we set a higher latency in the bunit | |
5825 | * so that the core display fetch happens in time to avoid underruns. | |
5826 | */ | |
dfcab17e | 5827 | if (cdclk == 400000) |
30a970c6 JB |
5828 | val |= 4500 / 250; /* 4.5 usec */ |
5829 | else | |
5830 | val |= 3000 / 250; /* 3.0 usec */ | |
5831 | vlv_bunit_write(dev_priv, BUNIT_REG_BISOC, val); | |
54433e91 | 5832 | |
a580516d | 5833 | mutex_unlock(&dev_priv->sb_lock); |
30a970c6 | 5834 | |
b6283055 | 5835 | intel_update_cdclk(dev); |
30a970c6 JB |
5836 | } |
5837 | ||
383c5a6a VS |
5838 | static void cherryview_set_cdclk(struct drm_device *dev, int cdclk) |
5839 | { | |
5840 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5841 | u32 val, cmd; | |
5842 | ||
164dfd28 VK |
5843 | WARN_ON(dev_priv->display.get_display_clock_speed(dev) |
5844 | != dev_priv->cdclk_freq); | |
383c5a6a VS |
5845 | |
5846 | switch (cdclk) { | |
383c5a6a VS |
5847 | case 333333: |
5848 | case 320000: | |
383c5a6a | 5849 | case 266667: |
383c5a6a | 5850 | case 200000: |
383c5a6a VS |
5851 | break; |
5852 | default: | |
5f77eeb0 | 5853 | MISSING_CASE(cdclk); |
383c5a6a VS |
5854 | return; |
5855 | } | |
5856 | ||
9d0d3fda VS |
5857 | /* |
5858 | * Specs are full of misinformation, but testing on actual | |
5859 | * hardware has shown that we just need to write the desired | |
5860 | * CCK divider into the Punit register. | |
5861 | */ | |
5862 | cmd = DIV_ROUND_CLOSEST(dev_priv->hpll_freq << 1, cdclk) - 1; | |
5863 | ||
383c5a6a VS |
5864 | mutex_lock(&dev_priv->rps.hw_lock); |
5865 | val = vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ); | |
5866 | val &= ~DSPFREQGUAR_MASK_CHV; | |
5867 | val |= (cmd << DSPFREQGUAR_SHIFT_CHV); | |
5868 | vlv_punit_write(dev_priv, PUNIT_REG_DSPFREQ, val); | |
5869 | if (wait_for((vlv_punit_read(dev_priv, PUNIT_REG_DSPFREQ) & | |
5870 | DSPFREQSTAT_MASK_CHV) == (cmd << DSPFREQSTAT_SHIFT_CHV), | |
5871 | 50)) { | |
5872 | DRM_ERROR("timed out waiting for CDclk change\n"); | |
5873 | } | |
5874 | mutex_unlock(&dev_priv->rps.hw_lock); | |
5875 | ||
b6283055 | 5876 | intel_update_cdclk(dev); |
383c5a6a VS |
5877 | } |
5878 | ||
30a970c6 JB |
5879 | static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv, |
5880 | int max_pixclk) | |
5881 | { | |
6bcda4f0 | 5882 | int freq_320 = (dev_priv->hpll_freq << 1) % 320000 != 0 ? 333333 : 320000; |
6cca3195 | 5883 | int limit = IS_CHERRYVIEW(dev_priv) ? 95 : 90; |
29dc7ef3 | 5884 | |
30a970c6 JB |
5885 | /* |
5886 | * Really only a few cases to deal with, as only 4 CDclks are supported: | |
5887 | * 200MHz | |
5888 | * 267MHz | |
29dc7ef3 | 5889 | * 320/333MHz (depends on HPLL freq) |
6cca3195 VS |
5890 | * 400MHz (VLV only) |
5891 | * So we check to see whether we're above 90% (VLV) or 95% (CHV) | |
5892 | * of the lower bin and adjust if needed. | |
e37c67a1 VS |
5893 | * |
5894 | * We seem to get an unstable or solid color picture at 200MHz. | |
5895 | * Not sure what's wrong. For now use 200MHz only when all pipes | |
5896 | * are off. | |
30a970c6 | 5897 | */ |
6cca3195 VS |
5898 | if (!IS_CHERRYVIEW(dev_priv) && |
5899 | max_pixclk > freq_320*limit/100) | |
dfcab17e | 5900 | return 400000; |
6cca3195 | 5901 | else if (max_pixclk > 266667*limit/100) |
29dc7ef3 | 5902 | return freq_320; |
e37c67a1 | 5903 | else if (max_pixclk > 0) |
dfcab17e | 5904 | return 266667; |
e37c67a1 VS |
5905 | else |
5906 | return 200000; | |
30a970c6 JB |
5907 | } |
5908 | ||
f8437dd1 VK |
5909 | static int broxton_calc_cdclk(struct drm_i915_private *dev_priv, |
5910 | int max_pixclk) | |
5911 | { | |
5912 | /* | |
5913 | * FIXME: | |
5914 | * - remove the guardband, it's not needed on BXT | |
5915 | * - set 19.2MHz bypass frequency if there are no active pipes | |
5916 | */ | |
5917 | if (max_pixclk > 576000*9/10) | |
5918 | return 624000; | |
5919 | else if (max_pixclk > 384000*9/10) | |
5920 | return 576000; | |
5921 | else if (max_pixclk > 288000*9/10) | |
5922 | return 384000; | |
5923 | else if (max_pixclk > 144000*9/10) | |
5924 | return 288000; | |
5925 | else | |
5926 | return 144000; | |
5927 | } | |
5928 | ||
a821fc46 ACO |
5929 | /* Compute the max pixel clock for new configuration. Uses atomic state if |
5930 | * that's non-NULL, look at current state otherwise. */ | |
5931 | static int intel_mode_max_pixclk(struct drm_device *dev, | |
5932 | struct drm_atomic_state *state) | |
30a970c6 | 5933 | { |
30a970c6 | 5934 | struct intel_crtc *intel_crtc; |
304603f4 | 5935 | struct intel_crtc_state *crtc_state; |
30a970c6 JB |
5936 | int max_pixclk = 0; |
5937 | ||
d3fcc808 | 5938 | for_each_intel_crtc(dev, intel_crtc) { |
27c329ed | 5939 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
304603f4 ACO |
5940 | if (IS_ERR(crtc_state)) |
5941 | return PTR_ERR(crtc_state); | |
5942 | ||
5943 | if (!crtc_state->base.enable) | |
5944 | continue; | |
5945 | ||
5946 | max_pixclk = max(max_pixclk, | |
5947 | crtc_state->base.adjusted_mode.crtc_clock); | |
30a970c6 JB |
5948 | } |
5949 | ||
5950 | return max_pixclk; | |
5951 | } | |
5952 | ||
27c329ed | 5953 | static int valleyview_modeset_calc_cdclk(struct drm_atomic_state *state) |
30a970c6 | 5954 | { |
27c329ed ML |
5955 | struct drm_device *dev = state->dev; |
5956 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5957 | int max_pixclk = intel_mode_max_pixclk(dev, state); | |
30a970c6 | 5958 | |
304603f4 ACO |
5959 | if (max_pixclk < 0) |
5960 | return max_pixclk; | |
30a970c6 | 5961 | |
27c329ed ML |
5962 | to_intel_atomic_state(state)->cdclk = |
5963 | valleyview_calc_cdclk(dev_priv, max_pixclk); | |
0a9ab303 | 5964 | |
27c329ed ML |
5965 | return 0; |
5966 | } | |
304603f4 | 5967 | |
27c329ed ML |
5968 | static int broxton_modeset_calc_cdclk(struct drm_atomic_state *state) |
5969 | { | |
5970 | struct drm_device *dev = state->dev; | |
5971 | struct drm_i915_private *dev_priv = dev->dev_private; | |
5972 | int max_pixclk = intel_mode_max_pixclk(dev, state); | |
85a96e7a | 5973 | |
27c329ed ML |
5974 | if (max_pixclk < 0) |
5975 | return max_pixclk; | |
85a96e7a | 5976 | |
27c329ed ML |
5977 | to_intel_atomic_state(state)->cdclk = |
5978 | broxton_calc_cdclk(dev_priv, max_pixclk); | |
85a96e7a | 5979 | |
27c329ed | 5980 | return 0; |
30a970c6 JB |
5981 | } |
5982 | ||
1e69cd74 VS |
5983 | static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv) |
5984 | { | |
5985 | unsigned int credits, default_credits; | |
5986 | ||
5987 | if (IS_CHERRYVIEW(dev_priv)) | |
5988 | default_credits = PFI_CREDIT(12); | |
5989 | else | |
5990 | default_credits = PFI_CREDIT(8); | |
5991 | ||
bfa7df01 | 5992 | if (dev_priv->cdclk_freq >= dev_priv->czclk_freq) { |
1e69cd74 VS |
5993 | /* CHV suggested value is 31 or 63 */ |
5994 | if (IS_CHERRYVIEW(dev_priv)) | |
fcc0008f | 5995 | credits = PFI_CREDIT_63; |
1e69cd74 VS |
5996 | else |
5997 | credits = PFI_CREDIT(15); | |
5998 | } else { | |
5999 | credits = default_credits; | |
6000 | } | |
6001 | ||
6002 | /* | |
6003 | * WA - write default credits before re-programming | |
6004 | * FIXME: should we also set the resend bit here? | |
6005 | */ | |
6006 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
6007 | default_credits); | |
6008 | ||
6009 | I915_WRITE(GCI_CONTROL, VGA_FAST_MODE_DISABLE | | |
6010 | credits | PFI_CREDIT_RESEND); | |
6011 | ||
6012 | /* | |
6013 | * FIXME is this guaranteed to clear | |
6014 | * immediately or should we poll for it? | |
6015 | */ | |
6016 | WARN_ON(I915_READ(GCI_CONTROL) & PFI_CREDIT_RESEND); | |
6017 | } | |
6018 | ||
27c329ed | 6019 | static void valleyview_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
30a970c6 | 6020 | { |
a821fc46 | 6021 | struct drm_device *dev = old_state->dev; |
27c329ed | 6022 | unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk; |
30a970c6 | 6023 | struct drm_i915_private *dev_priv = dev->dev_private; |
30a970c6 | 6024 | |
27c329ed ML |
6025 | /* |
6026 | * FIXME: We can end up here with all power domains off, yet | |
6027 | * with a CDCLK frequency other than the minimum. To account | |
6028 | * for this take the PIPE-A power domain, which covers the HW | |
6029 | * blocks needed for the following programming. This can be | |
6030 | * removed once it's guaranteed that we get here either with | |
6031 | * the minimum CDCLK set, or the required power domains | |
6032 | * enabled. | |
6033 | */ | |
6034 | intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A); | |
738c05c0 | 6035 | |
27c329ed ML |
6036 | if (IS_CHERRYVIEW(dev)) |
6037 | cherryview_set_cdclk(dev, req_cdclk); | |
6038 | else | |
6039 | valleyview_set_cdclk(dev, req_cdclk); | |
738c05c0 | 6040 | |
27c329ed | 6041 | vlv_program_pfi_credits(dev_priv); |
1e69cd74 | 6042 | |
27c329ed | 6043 | intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A); |
30a970c6 JB |
6044 | } |
6045 | ||
89b667f8 JB |
6046 | static void valleyview_crtc_enable(struct drm_crtc *crtc) |
6047 | { | |
6048 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 6049 | struct drm_i915_private *dev_priv = to_i915(dev); |
89b667f8 JB |
6050 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6051 | struct intel_encoder *encoder; | |
6052 | int pipe = intel_crtc->pipe; | |
23538ef1 | 6053 | bool is_dsi; |
89b667f8 | 6054 | |
53d9f4e9 | 6055 | if (WARN_ON(intel_crtc->active)) |
89b667f8 JB |
6056 | return; |
6057 | ||
409ee761 | 6058 | is_dsi = intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI); |
8525a235 | 6059 | |
6e3c9717 | 6060 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 6061 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
6062 | |
6063 | intel_set_pipe_timings(intel_crtc); | |
6064 | ||
c14b0485 VS |
6065 | if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) { |
6066 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6067 | ||
6068 | I915_WRITE(CHV_BLEND(pipe), CHV_BLEND_LEGACY); | |
6069 | I915_WRITE(CHV_CANVAS(pipe), 0); | |
6070 | } | |
6071 | ||
5b18e57c DV |
6072 | i9xx_set_pipeconf(intel_crtc); |
6073 | ||
89b667f8 | 6074 | intel_crtc->active = true; |
89b667f8 | 6075 | |
a72e4c9f | 6076 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 6077 | |
89b667f8 JB |
6078 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6079 | if (encoder->pre_pll_enable) | |
6080 | encoder->pre_pll_enable(encoder); | |
6081 | ||
9d556c99 | 6082 | if (!is_dsi) { |
c0b4c660 VS |
6083 | if (IS_CHERRYVIEW(dev)) { |
6084 | chv_prepare_pll(intel_crtc, intel_crtc->config); | |
6e3c9717 | 6085 | chv_enable_pll(intel_crtc, intel_crtc->config); |
c0b4c660 VS |
6086 | } else { |
6087 | vlv_prepare_pll(intel_crtc, intel_crtc->config); | |
6e3c9717 | 6088 | vlv_enable_pll(intel_crtc, intel_crtc->config); |
c0b4c660 | 6089 | } |
9d556c99 | 6090 | } |
89b667f8 JB |
6091 | |
6092 | for_each_encoder_on_crtc(dev, crtc, encoder) | |
6093 | if (encoder->pre_enable) | |
6094 | encoder->pre_enable(encoder); | |
6095 | ||
2dd24552 JB |
6096 | i9xx_pfit_enable(intel_crtc); |
6097 | ||
63cbb074 VS |
6098 | intel_crtc_load_lut(crtc); |
6099 | ||
e1fdc473 | 6100 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6101 | |
4b3a9526 VS |
6102 | assert_vblank_disabled(crtc); |
6103 | drm_crtc_vblank_on(crtc); | |
6104 | ||
f9b61ff6 DV |
6105 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6106 | encoder->enable(encoder); | |
89b667f8 JB |
6107 | } |
6108 | ||
f13c2ef3 DV |
6109 | static void i9xx_set_pll_dividers(struct intel_crtc *crtc) |
6110 | { | |
6111 | struct drm_device *dev = crtc->base.dev; | |
6112 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6113 | ||
6e3c9717 ACO |
6114 | I915_WRITE(FP0(crtc->pipe), crtc->config->dpll_hw_state.fp0); |
6115 | I915_WRITE(FP1(crtc->pipe), crtc->config->dpll_hw_state.fp1); | |
f13c2ef3 DV |
6116 | } |
6117 | ||
0b8765c6 | 6118 | static void i9xx_crtc_enable(struct drm_crtc *crtc) |
79e53945 JB |
6119 | { |
6120 | struct drm_device *dev = crtc->dev; | |
a72e4c9f | 6121 | struct drm_i915_private *dev_priv = to_i915(dev); |
79e53945 | 6122 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
ef9c3aee | 6123 | struct intel_encoder *encoder; |
79e53945 | 6124 | int pipe = intel_crtc->pipe; |
79e53945 | 6125 | |
53d9f4e9 | 6126 | if (WARN_ON(intel_crtc->active)) |
f7abfe8b CW |
6127 | return; |
6128 | ||
f13c2ef3 DV |
6129 | i9xx_set_pll_dividers(intel_crtc); |
6130 | ||
6e3c9717 | 6131 | if (intel_crtc->config->has_dp_encoder) |
fe3cd48d | 6132 | intel_dp_set_m_n(intel_crtc, M1_N1); |
5b18e57c DV |
6133 | |
6134 | intel_set_pipe_timings(intel_crtc); | |
6135 | ||
5b18e57c DV |
6136 | i9xx_set_pipeconf(intel_crtc); |
6137 | ||
f7abfe8b | 6138 | intel_crtc->active = true; |
6b383a7f | 6139 | |
4a3436e8 | 6140 | if (!IS_GEN2(dev)) |
a72e4c9f | 6141 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); |
4a3436e8 | 6142 | |
9d6d9f19 MK |
6143 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6144 | if (encoder->pre_enable) | |
6145 | encoder->pre_enable(encoder); | |
6146 | ||
f6736a1a DV |
6147 | i9xx_enable_pll(intel_crtc); |
6148 | ||
2dd24552 JB |
6149 | i9xx_pfit_enable(intel_crtc); |
6150 | ||
63cbb074 VS |
6151 | intel_crtc_load_lut(crtc); |
6152 | ||
f37fcc2a | 6153 | intel_update_watermarks(crtc); |
e1fdc473 | 6154 | intel_enable_pipe(intel_crtc); |
be6a6f8e | 6155 | |
4b3a9526 VS |
6156 | assert_vblank_disabled(crtc); |
6157 | drm_crtc_vblank_on(crtc); | |
6158 | ||
f9b61ff6 DV |
6159 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6160 | encoder->enable(encoder); | |
0b8765c6 | 6161 | } |
79e53945 | 6162 | |
87476d63 DV |
6163 | static void i9xx_pfit_disable(struct intel_crtc *crtc) |
6164 | { | |
6165 | struct drm_device *dev = crtc->base.dev; | |
6166 | struct drm_i915_private *dev_priv = dev->dev_private; | |
87476d63 | 6167 | |
6e3c9717 | 6168 | if (!crtc->config->gmch_pfit.control) |
328d8e82 | 6169 | return; |
87476d63 | 6170 | |
328d8e82 | 6171 | assert_pipe_disabled(dev_priv, crtc->pipe); |
87476d63 | 6172 | |
328d8e82 DV |
6173 | DRM_DEBUG_DRIVER("disabling pfit, current: 0x%08x\n", |
6174 | I915_READ(PFIT_CONTROL)); | |
6175 | I915_WRITE(PFIT_CONTROL, 0); | |
87476d63 DV |
6176 | } |
6177 | ||
0b8765c6 JB |
6178 | static void i9xx_crtc_disable(struct drm_crtc *crtc) |
6179 | { | |
6180 | struct drm_device *dev = crtc->dev; | |
6181 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6182 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
ef9c3aee | 6183 | struct intel_encoder *encoder; |
0b8765c6 | 6184 | int pipe = intel_crtc->pipe; |
ef9c3aee | 6185 | |
6304cd91 VS |
6186 | /* |
6187 | * On gen2 planes are double buffered but the pipe isn't, so we must | |
6188 | * wait for planes to fully turn off before disabling the pipe. | |
564ed191 ID |
6189 | * We also need to wait on all gmch platforms because of the |
6190 | * self-refresh mode constraint explained above. | |
6304cd91 | 6191 | */ |
564ed191 | 6192 | intel_wait_for_vblank(dev, pipe); |
6304cd91 | 6193 | |
4b3a9526 VS |
6194 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6195 | encoder->disable(encoder); | |
6196 | ||
f9b61ff6 DV |
6197 | drm_crtc_vblank_off(crtc); |
6198 | assert_vblank_disabled(crtc); | |
6199 | ||
575f7ab7 | 6200 | intel_disable_pipe(intel_crtc); |
24a1f16d | 6201 | |
87476d63 | 6202 | i9xx_pfit_disable(intel_crtc); |
24a1f16d | 6203 | |
89b667f8 JB |
6204 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6205 | if (encoder->post_disable) | |
6206 | encoder->post_disable(encoder); | |
6207 | ||
409ee761 | 6208 | if (!intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_DSI)) { |
076ed3b2 CML |
6209 | if (IS_CHERRYVIEW(dev)) |
6210 | chv_disable_pll(dev_priv, pipe); | |
6211 | else if (IS_VALLEYVIEW(dev)) | |
6212 | vlv_disable_pll(dev_priv, pipe); | |
6213 | else | |
1c4e0274 | 6214 | i9xx_disable_pll(intel_crtc); |
076ed3b2 | 6215 | } |
0b8765c6 | 6216 | |
d6db995f VS |
6217 | for_each_encoder_on_crtc(dev, crtc, encoder) |
6218 | if (encoder->post_pll_disable) | |
6219 | encoder->post_pll_disable(encoder); | |
6220 | ||
4a3436e8 | 6221 | if (!IS_GEN2(dev)) |
a72e4c9f | 6222 | intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false); |
0b8765c6 JB |
6223 | } |
6224 | ||
b17d48e2 ML |
6225 | static void intel_crtc_disable_noatomic(struct drm_crtc *crtc) |
6226 | { | |
6227 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6228 | struct drm_i915_private *dev_priv = to_i915(crtc->dev); | |
6229 | enum intel_display_power_domain domain; | |
6230 | unsigned long domains; | |
6231 | ||
6232 | if (!intel_crtc->active) | |
6233 | return; | |
6234 | ||
a539205a | 6235 | if (to_intel_plane_state(crtc->primary->state)->visible) { |
fc32b1fd ML |
6236 | WARN_ON(intel_crtc->unpin_work); |
6237 | ||
a539205a ML |
6238 | intel_pre_disable_primary(crtc); |
6239 | } | |
6240 | ||
d032ffa0 | 6241 | intel_crtc_disable_planes(crtc, crtc->state->plane_mask); |
b17d48e2 | 6242 | dev_priv->display.crtc_disable(crtc); |
37d9078b MR |
6243 | intel_crtc->active = false; |
6244 | intel_update_watermarks(crtc); | |
1f7457b1 | 6245 | intel_disable_shared_dpll(intel_crtc); |
b17d48e2 ML |
6246 | |
6247 | domains = intel_crtc->enabled_power_domains; | |
6248 | for_each_power_domain(domain, domains) | |
6249 | intel_display_power_put(dev_priv, domain); | |
6250 | intel_crtc->enabled_power_domains = 0; | |
6251 | } | |
6252 | ||
6b72d486 ML |
6253 | /* |
6254 | * turn all crtc's off, but do not adjust state | |
6255 | * This has to be paired with a call to intel_modeset_setup_hw_state. | |
6256 | */ | |
70e0bd74 | 6257 | int intel_display_suspend(struct drm_device *dev) |
ee7b9f93 | 6258 | { |
70e0bd74 ML |
6259 | struct drm_mode_config *config = &dev->mode_config; |
6260 | struct drm_modeset_acquire_ctx *ctx = config->acquire_ctx; | |
6261 | struct drm_atomic_state *state; | |
6b72d486 | 6262 | struct drm_crtc *crtc; |
70e0bd74 ML |
6263 | unsigned crtc_mask = 0; |
6264 | int ret = 0; | |
6265 | ||
6266 | if (WARN_ON(!ctx)) | |
6267 | return 0; | |
6268 | ||
6269 | lockdep_assert_held(&ctx->ww_ctx); | |
6270 | state = drm_atomic_state_alloc(dev); | |
6271 | if (WARN_ON(!state)) | |
6272 | return -ENOMEM; | |
6273 | ||
6274 | state->acquire_ctx = ctx; | |
6275 | state->allow_modeset = true; | |
6276 | ||
6277 | for_each_crtc(dev, crtc) { | |
6278 | struct drm_crtc_state *crtc_state = | |
6279 | drm_atomic_get_crtc_state(state, crtc); | |
6b72d486 | 6280 | |
70e0bd74 ML |
6281 | ret = PTR_ERR_OR_ZERO(crtc_state); |
6282 | if (ret) | |
6283 | goto free; | |
6284 | ||
6285 | if (!crtc_state->active) | |
6286 | continue; | |
6287 | ||
6288 | crtc_state->active = false; | |
6289 | crtc_mask |= 1 << drm_crtc_index(crtc); | |
6290 | } | |
6291 | ||
6292 | if (crtc_mask) { | |
74c090b1 | 6293 | ret = drm_atomic_commit(state); |
70e0bd74 ML |
6294 | |
6295 | if (!ret) { | |
6296 | for_each_crtc(dev, crtc) | |
6297 | if (crtc_mask & (1 << drm_crtc_index(crtc))) | |
6298 | crtc->state->active = true; | |
6299 | ||
6300 | return ret; | |
6301 | } | |
6302 | } | |
6303 | ||
6304 | free: | |
6305 | if (ret) | |
6306 | DRM_ERROR("Suspending crtc's failed with %i\n", ret); | |
6307 | drm_atomic_state_free(state); | |
6308 | return ret; | |
ee7b9f93 JB |
6309 | } |
6310 | ||
ea5b213a | 6311 | void intel_encoder_destroy(struct drm_encoder *encoder) |
7e7d76c3 | 6312 | { |
4ef69c7a | 6313 | struct intel_encoder *intel_encoder = to_intel_encoder(encoder); |
ea5b213a | 6314 | |
ea5b213a CW |
6315 | drm_encoder_cleanup(encoder); |
6316 | kfree(intel_encoder); | |
7e7d76c3 JB |
6317 | } |
6318 | ||
0a91ca29 DV |
6319 | /* Cross check the actual hw state with our own modeset state tracking (and it's |
6320 | * internal consistency). */ | |
b980514c | 6321 | static void intel_connector_check_state(struct intel_connector *connector) |
79e53945 | 6322 | { |
35dd3c64 ML |
6323 | struct drm_crtc *crtc = connector->base.state->crtc; |
6324 | ||
6325 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", | |
6326 | connector->base.base.id, | |
6327 | connector->base.name); | |
6328 | ||
0a91ca29 | 6329 | if (connector->get_hw_state(connector)) { |
e85376cb | 6330 | struct intel_encoder *encoder = connector->encoder; |
35dd3c64 | 6331 | struct drm_connector_state *conn_state = connector->base.state; |
0a91ca29 | 6332 | |
35dd3c64 ML |
6333 | I915_STATE_WARN(!crtc, |
6334 | "connector enabled without attached crtc\n"); | |
0a91ca29 | 6335 | |
35dd3c64 ML |
6336 | if (!crtc) |
6337 | return; | |
6338 | ||
6339 | I915_STATE_WARN(!crtc->state->active, | |
6340 | "connector is active, but attached crtc isn't\n"); | |
6341 | ||
e85376cb | 6342 | if (!encoder || encoder->type == INTEL_OUTPUT_DP_MST) |
35dd3c64 ML |
6343 | return; |
6344 | ||
e85376cb | 6345 | I915_STATE_WARN(conn_state->best_encoder != &encoder->base, |
35dd3c64 ML |
6346 | "atomic encoder doesn't match attached encoder\n"); |
6347 | ||
e85376cb | 6348 | I915_STATE_WARN(conn_state->crtc != encoder->base.crtc, |
35dd3c64 ML |
6349 | "attached encoder crtc differs from connector crtc\n"); |
6350 | } else { | |
4d688a2a ML |
6351 | I915_STATE_WARN(crtc && crtc->state->active, |
6352 | "attached crtc is active, but connector isn't\n"); | |
35dd3c64 ML |
6353 | I915_STATE_WARN(!crtc && connector->base.state->best_encoder, |
6354 | "best encoder set without crtc!\n"); | |
0a91ca29 | 6355 | } |
79e53945 JB |
6356 | } |
6357 | ||
08d9bc92 ACO |
6358 | int intel_connector_init(struct intel_connector *connector) |
6359 | { | |
6360 | struct drm_connector_state *connector_state; | |
6361 | ||
6362 | connector_state = kzalloc(sizeof *connector_state, GFP_KERNEL); | |
6363 | if (!connector_state) | |
6364 | return -ENOMEM; | |
6365 | ||
6366 | connector->base.state = connector_state; | |
6367 | return 0; | |
6368 | } | |
6369 | ||
6370 | struct intel_connector *intel_connector_alloc(void) | |
6371 | { | |
6372 | struct intel_connector *connector; | |
6373 | ||
6374 | connector = kzalloc(sizeof *connector, GFP_KERNEL); | |
6375 | if (!connector) | |
6376 | return NULL; | |
6377 | ||
6378 | if (intel_connector_init(connector) < 0) { | |
6379 | kfree(connector); | |
6380 | return NULL; | |
6381 | } | |
6382 | ||
6383 | return connector; | |
6384 | } | |
6385 | ||
f0947c37 DV |
6386 | /* Simple connector->get_hw_state implementation for encoders that support only |
6387 | * one connector and no cloning and hence the encoder state determines the state | |
6388 | * of the connector. */ | |
6389 | bool intel_connector_get_hw_state(struct intel_connector *connector) | |
ea5b213a | 6390 | { |
24929352 | 6391 | enum pipe pipe = 0; |
f0947c37 | 6392 | struct intel_encoder *encoder = connector->encoder; |
ea5b213a | 6393 | |
f0947c37 | 6394 | return encoder->get_hw_state(encoder, &pipe); |
ea5b213a CW |
6395 | } |
6396 | ||
6d293983 | 6397 | static int pipe_required_fdi_lanes(struct intel_crtc_state *crtc_state) |
d272ddfa | 6398 | { |
6d293983 ACO |
6399 | if (crtc_state->base.enable && crtc_state->has_pch_encoder) |
6400 | return crtc_state->fdi_lanes; | |
d272ddfa VS |
6401 | |
6402 | return 0; | |
6403 | } | |
6404 | ||
6d293983 | 6405 | static int ironlake_check_fdi_lanes(struct drm_device *dev, enum pipe pipe, |
5cec258b | 6406 | struct intel_crtc_state *pipe_config) |
1857e1da | 6407 | { |
6d293983 ACO |
6408 | struct drm_atomic_state *state = pipe_config->base.state; |
6409 | struct intel_crtc *other_crtc; | |
6410 | struct intel_crtc_state *other_crtc_state; | |
6411 | ||
1857e1da DV |
6412 | DRM_DEBUG_KMS("checking fdi config on pipe %c, lanes %i\n", |
6413 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6414 | if (pipe_config->fdi_lanes > 4) { | |
6415 | DRM_DEBUG_KMS("invalid fdi lane config on pipe %c: %i lanes\n", | |
6416 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6417 | return -EINVAL; |
1857e1da DV |
6418 | } |
6419 | ||
bafb6553 | 6420 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
1857e1da DV |
6421 | if (pipe_config->fdi_lanes > 2) { |
6422 | DRM_DEBUG_KMS("only 2 lanes on haswell, required: %i lanes\n", | |
6423 | pipe_config->fdi_lanes); | |
6d293983 | 6424 | return -EINVAL; |
1857e1da | 6425 | } else { |
6d293983 | 6426 | return 0; |
1857e1da DV |
6427 | } |
6428 | } | |
6429 | ||
6430 | if (INTEL_INFO(dev)->num_pipes == 2) | |
6d293983 | 6431 | return 0; |
1857e1da DV |
6432 | |
6433 | /* Ivybridge 3 pipe is really complicated */ | |
6434 | switch (pipe) { | |
6435 | case PIPE_A: | |
6d293983 | 6436 | return 0; |
1857e1da | 6437 | case PIPE_B: |
6d293983 ACO |
6438 | if (pipe_config->fdi_lanes <= 2) |
6439 | return 0; | |
6440 | ||
6441 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_C)); | |
6442 | other_crtc_state = | |
6443 | intel_atomic_get_crtc_state(state, other_crtc); | |
6444 | if (IS_ERR(other_crtc_state)) | |
6445 | return PTR_ERR(other_crtc_state); | |
6446 | ||
6447 | if (pipe_required_fdi_lanes(other_crtc_state) > 0) { | |
1857e1da DV |
6448 | DRM_DEBUG_KMS("invalid shared fdi lane config on pipe %c: %i lanes\n", |
6449 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6450 | return -EINVAL; |
1857e1da | 6451 | } |
6d293983 | 6452 | return 0; |
1857e1da | 6453 | case PIPE_C: |
251cc67c VS |
6454 | if (pipe_config->fdi_lanes > 2) { |
6455 | DRM_DEBUG_KMS("only 2 lanes on pipe %c: required %i lanes\n", | |
6456 | pipe_name(pipe), pipe_config->fdi_lanes); | |
6d293983 | 6457 | return -EINVAL; |
251cc67c | 6458 | } |
6d293983 ACO |
6459 | |
6460 | other_crtc = to_intel_crtc(intel_get_crtc_for_pipe(dev, PIPE_B)); | |
6461 | other_crtc_state = | |
6462 | intel_atomic_get_crtc_state(state, other_crtc); | |
6463 | if (IS_ERR(other_crtc_state)) | |
6464 | return PTR_ERR(other_crtc_state); | |
6465 | ||
6466 | if (pipe_required_fdi_lanes(other_crtc_state) > 2) { | |
1857e1da | 6467 | DRM_DEBUG_KMS("fdi link B uses too many lanes to enable link C\n"); |
6d293983 | 6468 | return -EINVAL; |
1857e1da | 6469 | } |
6d293983 | 6470 | return 0; |
1857e1da DV |
6471 | default: |
6472 | BUG(); | |
6473 | } | |
6474 | } | |
6475 | ||
e29c22c0 DV |
6476 | #define RETRY 1 |
6477 | static int ironlake_fdi_compute_config(struct intel_crtc *intel_crtc, | |
5cec258b | 6478 | struct intel_crtc_state *pipe_config) |
877d48d5 | 6479 | { |
1857e1da | 6480 | struct drm_device *dev = intel_crtc->base.dev; |
7c5f93b0 | 6481 | const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
6d293983 ACO |
6482 | int lane, link_bw, fdi_dotclock, ret; |
6483 | bool needs_recompute = false; | |
877d48d5 | 6484 | |
e29c22c0 | 6485 | retry: |
877d48d5 DV |
6486 | /* FDI is a binary signal running at ~2.7GHz, encoding |
6487 | * each output octet as 10 bits. The actual frequency | |
6488 | * is stored as a divider into a 100MHz clock, and the | |
6489 | * mode pixel clock is stored in units of 1KHz. | |
6490 | * Hence the bw of each lane in terms of the mode signal | |
6491 | * is: | |
6492 | */ | |
6493 | link_bw = intel_fdi_link_freq(dev) * MHz(100)/KHz(1)/10; | |
6494 | ||
241bfc38 | 6495 | fdi_dotclock = adjusted_mode->crtc_clock; |
877d48d5 | 6496 | |
2bd89a07 | 6497 | lane = ironlake_get_lanes_required(fdi_dotclock, link_bw, |
877d48d5 DV |
6498 | pipe_config->pipe_bpp); |
6499 | ||
6500 | pipe_config->fdi_lanes = lane; | |
6501 | ||
2bd89a07 | 6502 | intel_link_compute_m_n(pipe_config->pipe_bpp, lane, fdi_dotclock, |
877d48d5 | 6503 | link_bw, &pipe_config->fdi_m_n); |
1857e1da | 6504 | |
6d293983 ACO |
6505 | ret = ironlake_check_fdi_lanes(intel_crtc->base.dev, |
6506 | intel_crtc->pipe, pipe_config); | |
6507 | if (ret == -EINVAL && pipe_config->pipe_bpp > 6*3) { | |
e29c22c0 DV |
6508 | pipe_config->pipe_bpp -= 2*3; |
6509 | DRM_DEBUG_KMS("fdi link bw constraint, reducing pipe bpp to %i\n", | |
6510 | pipe_config->pipe_bpp); | |
6511 | needs_recompute = true; | |
6512 | pipe_config->bw_constrained = true; | |
6513 | ||
6514 | goto retry; | |
6515 | } | |
6516 | ||
6517 | if (needs_recompute) | |
6518 | return RETRY; | |
6519 | ||
6d293983 | 6520 | return ret; |
877d48d5 DV |
6521 | } |
6522 | ||
8cfb3407 VS |
6523 | static bool pipe_config_supports_ips(struct drm_i915_private *dev_priv, |
6524 | struct intel_crtc_state *pipe_config) | |
6525 | { | |
6526 | if (pipe_config->pipe_bpp > 24) | |
6527 | return false; | |
6528 | ||
6529 | /* HSW can handle pixel rate up to cdclk? */ | |
6530 | if (IS_HASWELL(dev_priv->dev)) | |
6531 | return true; | |
6532 | ||
6533 | /* | |
b432e5cf VS |
6534 | * We compare against max which means we must take |
6535 | * the increased cdclk requirement into account when | |
6536 | * calculating the new cdclk. | |
6537 | * | |
6538 | * Should measure whether using a lower cdclk w/o IPS | |
8cfb3407 VS |
6539 | */ |
6540 | return ilk_pipe_pixel_rate(pipe_config) <= | |
6541 | dev_priv->max_cdclk_freq * 95 / 100; | |
6542 | } | |
6543 | ||
42db64ef | 6544 | static void hsw_compute_ips_config(struct intel_crtc *crtc, |
5cec258b | 6545 | struct intel_crtc_state *pipe_config) |
42db64ef | 6546 | { |
8cfb3407 VS |
6547 | struct drm_device *dev = crtc->base.dev; |
6548 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6549 | ||
d330a953 | 6550 | pipe_config->ips_enabled = i915.enable_ips && |
8cfb3407 VS |
6551 | hsw_crtc_supports_ips(crtc) && |
6552 | pipe_config_supports_ips(dev_priv, pipe_config); | |
42db64ef PZ |
6553 | } |
6554 | ||
a43f6e0f | 6555 | static int intel_crtc_compute_config(struct intel_crtc *crtc, |
5cec258b | 6556 | struct intel_crtc_state *pipe_config) |
79e53945 | 6557 | { |
a43f6e0f | 6558 | struct drm_device *dev = crtc->base.dev; |
8bd31e67 | 6559 | struct drm_i915_private *dev_priv = dev->dev_private; |
7c5f93b0 | 6560 | const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
89749350 | 6561 | |
ad3a4479 | 6562 | /* FIXME should check pixel clock limits on all platforms */ |
cf532bb2 | 6563 | if (INTEL_INFO(dev)->gen < 4) { |
44913155 | 6564 | int clock_limit = dev_priv->max_cdclk_freq; |
cf532bb2 VS |
6565 | |
6566 | /* | |
6567 | * Enable pixel doubling when the dot clock | |
6568 | * is > 90% of the (display) core speed. | |
6569 | * | |
b397c96b VS |
6570 | * GDG double wide on either pipe, |
6571 | * otherwise pipe A only. | |
cf532bb2 | 6572 | */ |
b397c96b | 6573 | if ((crtc->pipe == PIPE_A || IS_I915G(dev)) && |
241bfc38 | 6574 | adjusted_mode->crtc_clock > clock_limit * 9 / 10) { |
ad3a4479 | 6575 | clock_limit *= 2; |
cf532bb2 | 6576 | pipe_config->double_wide = true; |
ad3a4479 VS |
6577 | } |
6578 | ||
241bfc38 | 6579 | if (adjusted_mode->crtc_clock > clock_limit * 9 / 10) |
e29c22c0 | 6580 | return -EINVAL; |
2c07245f | 6581 | } |
89749350 | 6582 | |
1d1d0e27 VS |
6583 | /* |
6584 | * Pipe horizontal size must be even in: | |
6585 | * - DVO ganged mode | |
6586 | * - LVDS dual channel mode | |
6587 | * - Double wide pipe | |
6588 | */ | |
a93e255f | 6589 | if ((intel_pipe_will_have_type(pipe_config, INTEL_OUTPUT_LVDS) && |
1d1d0e27 VS |
6590 | intel_is_dual_link_lvds(dev)) || pipe_config->double_wide) |
6591 | pipe_config->pipe_src_w &= ~1; | |
6592 | ||
8693a824 DL |
6593 | /* Cantiga+ cannot handle modes with a hsync front porch of 0. |
6594 | * WaPruneModeWithIncorrectHsyncOffset:ctg,elk,ilk,snb,ivb,vlv,hsw. | |
44f46b42 CW |
6595 | */ |
6596 | if ((INTEL_INFO(dev)->gen > 4 || IS_G4X(dev)) && | |
aad941d5 | 6597 | adjusted_mode->crtc_hsync_start == adjusted_mode->crtc_hdisplay) |
e29c22c0 | 6598 | return -EINVAL; |
44f46b42 | 6599 | |
f5adf94e | 6600 | if (HAS_IPS(dev)) |
a43f6e0f DV |
6601 | hsw_compute_ips_config(crtc, pipe_config); |
6602 | ||
877d48d5 | 6603 | if (pipe_config->has_pch_encoder) |
a43f6e0f | 6604 | return ironlake_fdi_compute_config(crtc, pipe_config); |
877d48d5 | 6605 | |
cf5a15be | 6606 | return 0; |
79e53945 JB |
6607 | } |
6608 | ||
1652d19e VS |
6609 | static int skylake_get_display_clock_speed(struct drm_device *dev) |
6610 | { | |
6611 | struct drm_i915_private *dev_priv = to_i915(dev); | |
6612 | uint32_t lcpll1 = I915_READ(LCPLL1_CTL); | |
6613 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
6614 | uint32_t linkrate; | |
6615 | ||
414355a7 | 6616 | if (!(lcpll1 & LCPLL_PLL_ENABLE)) |
1652d19e | 6617 | return 24000; /* 24MHz is the cd freq with NSSC ref */ |
1652d19e VS |
6618 | |
6619 | if ((cdctl & CDCLK_FREQ_SEL_MASK) == CDCLK_FREQ_540) | |
6620 | return 540000; | |
6621 | ||
6622 | linkrate = (I915_READ(DPLL_CTRL1) & | |
71cd8423 | 6623 | DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) >> 1; |
1652d19e | 6624 | |
71cd8423 DL |
6625 | if (linkrate == DPLL_CTRL1_LINK_RATE_2160 || |
6626 | linkrate == DPLL_CTRL1_LINK_RATE_1080) { | |
1652d19e VS |
6627 | /* vco 8640 */ |
6628 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
6629 | case CDCLK_FREQ_450_432: | |
6630 | return 432000; | |
6631 | case CDCLK_FREQ_337_308: | |
6632 | return 308570; | |
6633 | case CDCLK_FREQ_675_617: | |
6634 | return 617140; | |
6635 | default: | |
6636 | WARN(1, "Unknown cd freq selection\n"); | |
6637 | } | |
6638 | } else { | |
6639 | /* vco 8100 */ | |
6640 | switch (cdctl & CDCLK_FREQ_SEL_MASK) { | |
6641 | case CDCLK_FREQ_450_432: | |
6642 | return 450000; | |
6643 | case CDCLK_FREQ_337_308: | |
6644 | return 337500; | |
6645 | case CDCLK_FREQ_675_617: | |
6646 | return 675000; | |
6647 | default: | |
6648 | WARN(1, "Unknown cd freq selection\n"); | |
6649 | } | |
6650 | } | |
6651 | ||
6652 | /* error case, do as if DPLL0 isn't enabled */ | |
6653 | return 24000; | |
6654 | } | |
6655 | ||
acd3f3d3 BP |
6656 | static int broxton_get_display_clock_speed(struct drm_device *dev) |
6657 | { | |
6658 | struct drm_i915_private *dev_priv = to_i915(dev); | |
6659 | uint32_t cdctl = I915_READ(CDCLK_CTL); | |
6660 | uint32_t pll_ratio = I915_READ(BXT_DE_PLL_CTL) & BXT_DE_PLL_RATIO_MASK; | |
6661 | uint32_t pll_enab = I915_READ(BXT_DE_PLL_ENABLE); | |
6662 | int cdclk; | |
6663 | ||
6664 | if (!(pll_enab & BXT_DE_PLL_PLL_ENABLE)) | |
6665 | return 19200; | |
6666 | ||
6667 | cdclk = 19200 * pll_ratio / 2; | |
6668 | ||
6669 | switch (cdctl & BXT_CDCLK_CD2X_DIV_SEL_MASK) { | |
6670 | case BXT_CDCLK_CD2X_DIV_SEL_1: | |
6671 | return cdclk; /* 576MHz or 624MHz */ | |
6672 | case BXT_CDCLK_CD2X_DIV_SEL_1_5: | |
6673 | return cdclk * 2 / 3; /* 384MHz */ | |
6674 | case BXT_CDCLK_CD2X_DIV_SEL_2: | |
6675 | return cdclk / 2; /* 288MHz */ | |
6676 | case BXT_CDCLK_CD2X_DIV_SEL_4: | |
6677 | return cdclk / 4; /* 144MHz */ | |
6678 | } | |
6679 | ||
6680 | /* error case, do as if DE PLL isn't enabled */ | |
6681 | return 19200; | |
6682 | } | |
6683 | ||
1652d19e VS |
6684 | static int broadwell_get_display_clock_speed(struct drm_device *dev) |
6685 | { | |
6686 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6687 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
6688 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
6689 | ||
6690 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
6691 | return 800000; | |
6692 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
6693 | return 450000; | |
6694 | else if (freq == LCPLL_CLK_FREQ_450) | |
6695 | return 450000; | |
6696 | else if (freq == LCPLL_CLK_FREQ_54O_BDW) | |
6697 | return 540000; | |
6698 | else if (freq == LCPLL_CLK_FREQ_337_5_BDW) | |
6699 | return 337500; | |
6700 | else | |
6701 | return 675000; | |
6702 | } | |
6703 | ||
6704 | static int haswell_get_display_clock_speed(struct drm_device *dev) | |
6705 | { | |
6706 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6707 | uint32_t lcpll = I915_READ(LCPLL_CTL); | |
6708 | uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK; | |
6709 | ||
6710 | if (lcpll & LCPLL_CD_SOURCE_FCLK) | |
6711 | return 800000; | |
6712 | else if (I915_READ(FUSE_STRAP) & HSW_CDCLK_LIMIT) | |
6713 | return 450000; | |
6714 | else if (freq == LCPLL_CLK_FREQ_450) | |
6715 | return 450000; | |
6716 | else if (IS_HSW_ULT(dev)) | |
6717 | return 337500; | |
6718 | else | |
6719 | return 540000; | |
79e53945 JB |
6720 | } |
6721 | ||
25eb05fc JB |
6722 | static int valleyview_get_display_clock_speed(struct drm_device *dev) |
6723 | { | |
bfa7df01 VS |
6724 | return vlv_get_cck_clock_hpll(to_i915(dev), "cdclk", |
6725 | CCK_DISPLAY_CLOCK_CONTROL); | |
25eb05fc JB |
6726 | } |
6727 | ||
b37a6434 VS |
6728 | static int ilk_get_display_clock_speed(struct drm_device *dev) |
6729 | { | |
6730 | return 450000; | |
6731 | } | |
6732 | ||
e70236a8 JB |
6733 | static int i945_get_display_clock_speed(struct drm_device *dev) |
6734 | { | |
6735 | return 400000; | |
6736 | } | |
79e53945 | 6737 | |
e70236a8 | 6738 | static int i915_get_display_clock_speed(struct drm_device *dev) |
79e53945 | 6739 | { |
e907f170 | 6740 | return 333333; |
e70236a8 | 6741 | } |
79e53945 | 6742 | |
e70236a8 JB |
6743 | static int i9xx_misc_get_display_clock_speed(struct drm_device *dev) |
6744 | { | |
6745 | return 200000; | |
6746 | } | |
79e53945 | 6747 | |
257a7ffc DV |
6748 | static int pnv_get_display_clock_speed(struct drm_device *dev) |
6749 | { | |
6750 | u16 gcfgc = 0; | |
6751 | ||
6752 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); | |
6753 | ||
6754 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6755 | case GC_DISPLAY_CLOCK_267_MHZ_PNV: | |
e907f170 | 6756 | return 266667; |
257a7ffc | 6757 | case GC_DISPLAY_CLOCK_333_MHZ_PNV: |
e907f170 | 6758 | return 333333; |
257a7ffc | 6759 | case GC_DISPLAY_CLOCK_444_MHZ_PNV: |
e907f170 | 6760 | return 444444; |
257a7ffc DV |
6761 | case GC_DISPLAY_CLOCK_200_MHZ_PNV: |
6762 | return 200000; | |
6763 | default: | |
6764 | DRM_ERROR("Unknown pnv display core clock 0x%04x\n", gcfgc); | |
6765 | case GC_DISPLAY_CLOCK_133_MHZ_PNV: | |
e907f170 | 6766 | return 133333; |
257a7ffc | 6767 | case GC_DISPLAY_CLOCK_167_MHZ_PNV: |
e907f170 | 6768 | return 166667; |
257a7ffc DV |
6769 | } |
6770 | } | |
6771 | ||
e70236a8 JB |
6772 | static int i915gm_get_display_clock_speed(struct drm_device *dev) |
6773 | { | |
6774 | u16 gcfgc = 0; | |
79e53945 | 6775 | |
e70236a8 JB |
6776 | pci_read_config_word(dev->pdev, GCFGC, &gcfgc); |
6777 | ||
6778 | if (gcfgc & GC_LOW_FREQUENCY_ENABLE) | |
e907f170 | 6779 | return 133333; |
e70236a8 JB |
6780 | else { |
6781 | switch (gcfgc & GC_DISPLAY_CLOCK_MASK) { | |
6782 | case GC_DISPLAY_CLOCK_333_MHZ: | |
e907f170 | 6783 | return 333333; |
e70236a8 JB |
6784 | default: |
6785 | case GC_DISPLAY_CLOCK_190_200_MHZ: | |
6786 | return 190000; | |
79e53945 | 6787 | } |
e70236a8 JB |
6788 | } |
6789 | } | |
6790 | ||
6791 | static int i865_get_display_clock_speed(struct drm_device *dev) | |
6792 | { | |
e907f170 | 6793 | return 266667; |
e70236a8 JB |
6794 | } |
6795 | ||
1b1d2716 | 6796 | static int i85x_get_display_clock_speed(struct drm_device *dev) |
e70236a8 JB |
6797 | { |
6798 | u16 hpllcc = 0; | |
1b1d2716 | 6799 | |
65cd2b3f VS |
6800 | /* |
6801 | * 852GM/852GMV only supports 133 MHz and the HPLLCC | |
6802 | * encoding is different :( | |
6803 | * FIXME is this the right way to detect 852GM/852GMV? | |
6804 | */ | |
6805 | if (dev->pdev->revision == 0x1) | |
6806 | return 133333; | |
6807 | ||
1b1d2716 VS |
6808 | pci_bus_read_config_word(dev->pdev->bus, |
6809 | PCI_DEVFN(0, 3), HPLLCC, &hpllcc); | |
6810 | ||
e70236a8 JB |
6811 | /* Assume that the hardware is in the high speed state. This |
6812 | * should be the default. | |
6813 | */ | |
6814 | switch (hpllcc & GC_CLOCK_CONTROL_MASK) { | |
6815 | case GC_CLOCK_133_200: | |
1b1d2716 | 6816 | case GC_CLOCK_133_200_2: |
e70236a8 JB |
6817 | case GC_CLOCK_100_200: |
6818 | return 200000; | |
6819 | case GC_CLOCK_166_250: | |
6820 | return 250000; | |
6821 | case GC_CLOCK_100_133: | |
e907f170 | 6822 | return 133333; |
1b1d2716 VS |
6823 | case GC_CLOCK_133_266: |
6824 | case GC_CLOCK_133_266_2: | |
6825 | case GC_CLOCK_166_266: | |
6826 | return 266667; | |
e70236a8 | 6827 | } |
79e53945 | 6828 | |
e70236a8 JB |
6829 | /* Shouldn't happen */ |
6830 | return 0; | |
6831 | } | |
79e53945 | 6832 | |
e70236a8 JB |
6833 | static int i830_get_display_clock_speed(struct drm_device *dev) |
6834 | { | |
e907f170 | 6835 | return 133333; |
79e53945 JB |
6836 | } |
6837 | ||
34edce2f VS |
6838 | static unsigned int intel_hpll_vco(struct drm_device *dev) |
6839 | { | |
6840 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6841 | static const unsigned int blb_vco[8] = { | |
6842 | [0] = 3200000, | |
6843 | [1] = 4000000, | |
6844 | [2] = 5333333, | |
6845 | [3] = 4800000, | |
6846 | [4] = 6400000, | |
6847 | }; | |
6848 | static const unsigned int pnv_vco[8] = { | |
6849 | [0] = 3200000, | |
6850 | [1] = 4000000, | |
6851 | [2] = 5333333, | |
6852 | [3] = 4800000, | |
6853 | [4] = 2666667, | |
6854 | }; | |
6855 | static const unsigned int cl_vco[8] = { | |
6856 | [0] = 3200000, | |
6857 | [1] = 4000000, | |
6858 | [2] = 5333333, | |
6859 | [3] = 6400000, | |
6860 | [4] = 3333333, | |
6861 | [5] = 3566667, | |
6862 | [6] = 4266667, | |
6863 | }; | |
6864 | static const unsigned int elk_vco[8] = { | |
6865 | [0] = 3200000, | |
6866 | [1] = 4000000, | |
6867 | [2] = 5333333, | |
6868 | [3] = 4800000, | |
6869 | }; | |
6870 | static const unsigned int ctg_vco[8] = { | |
6871 | [0] = 3200000, | |
6872 | [1] = 4000000, | |
6873 | [2] = 5333333, | |
6874 | [3] = 6400000, | |
6875 | [4] = 2666667, | |
6876 | [5] = 4266667, | |
6877 | }; | |
6878 | const unsigned int *vco_table; | |
6879 | unsigned int vco; | |
6880 | uint8_t tmp = 0; | |
6881 | ||
6882 | /* FIXME other chipsets? */ | |
6883 | if (IS_GM45(dev)) | |
6884 | vco_table = ctg_vco; | |
6885 | else if (IS_G4X(dev)) | |
6886 | vco_table = elk_vco; | |
6887 | else if (IS_CRESTLINE(dev)) | |
6888 | vco_table = cl_vco; | |
6889 | else if (IS_PINEVIEW(dev)) | |
6890 | vco_table = pnv_vco; | |
6891 | else if (IS_G33(dev)) | |
6892 | vco_table = blb_vco; | |
6893 | else | |
6894 | return 0; | |
6895 | ||
6896 | tmp = I915_READ(IS_MOBILE(dev) ? HPLLVCO_MOBILE : HPLLVCO); | |
6897 | ||
6898 | vco = vco_table[tmp & 0x7]; | |
6899 | if (vco == 0) | |
6900 | DRM_ERROR("Bad HPLL VCO (HPLLVCO=0x%02x)\n", tmp); | |
6901 | else | |
6902 | DRM_DEBUG_KMS("HPLL VCO %u kHz\n", vco); | |
6903 | ||
6904 | return vco; | |
6905 | } | |
6906 | ||
6907 | static int gm45_get_display_clock_speed(struct drm_device *dev) | |
6908 | { | |
6909 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
6910 | uint16_t tmp = 0; | |
6911 | ||
6912 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
6913 | ||
6914 | cdclk_sel = (tmp >> 12) & 0x1; | |
6915 | ||
6916 | switch (vco) { | |
6917 | case 2666667: | |
6918 | case 4000000: | |
6919 | case 5333333: | |
6920 | return cdclk_sel ? 333333 : 222222; | |
6921 | case 3200000: | |
6922 | return cdclk_sel ? 320000 : 228571; | |
6923 | default: | |
6924 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u, CFGC=0x%04x\n", vco, tmp); | |
6925 | return 222222; | |
6926 | } | |
6927 | } | |
6928 | ||
6929 | static int i965gm_get_display_clock_speed(struct drm_device *dev) | |
6930 | { | |
6931 | static const uint8_t div_3200[] = { 16, 10, 8 }; | |
6932 | static const uint8_t div_4000[] = { 20, 12, 10 }; | |
6933 | static const uint8_t div_5333[] = { 24, 16, 14 }; | |
6934 | const uint8_t *div_table; | |
6935 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
6936 | uint16_t tmp = 0; | |
6937 | ||
6938 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
6939 | ||
6940 | cdclk_sel = ((tmp >> 8) & 0x1f) - 1; | |
6941 | ||
6942 | if (cdclk_sel >= ARRAY_SIZE(div_3200)) | |
6943 | goto fail; | |
6944 | ||
6945 | switch (vco) { | |
6946 | case 3200000: | |
6947 | div_table = div_3200; | |
6948 | break; | |
6949 | case 4000000: | |
6950 | div_table = div_4000; | |
6951 | break; | |
6952 | case 5333333: | |
6953 | div_table = div_5333; | |
6954 | break; | |
6955 | default: | |
6956 | goto fail; | |
6957 | } | |
6958 | ||
6959 | return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]); | |
6960 | ||
caf4e252 | 6961 | fail: |
34edce2f VS |
6962 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%04x\n", vco, tmp); |
6963 | return 200000; | |
6964 | } | |
6965 | ||
6966 | static int g33_get_display_clock_speed(struct drm_device *dev) | |
6967 | { | |
6968 | static const uint8_t div_3200[] = { 12, 10, 8, 7, 5, 16 }; | |
6969 | static const uint8_t div_4000[] = { 14, 12, 10, 8, 6, 20 }; | |
6970 | static const uint8_t div_4800[] = { 20, 14, 12, 10, 8, 24 }; | |
6971 | static const uint8_t div_5333[] = { 20, 16, 12, 12, 8, 28 }; | |
6972 | const uint8_t *div_table; | |
6973 | unsigned int cdclk_sel, vco = intel_hpll_vco(dev); | |
6974 | uint16_t tmp = 0; | |
6975 | ||
6976 | pci_read_config_word(dev->pdev, GCFGC, &tmp); | |
6977 | ||
6978 | cdclk_sel = (tmp >> 4) & 0x7; | |
6979 | ||
6980 | if (cdclk_sel >= ARRAY_SIZE(div_3200)) | |
6981 | goto fail; | |
6982 | ||
6983 | switch (vco) { | |
6984 | case 3200000: | |
6985 | div_table = div_3200; | |
6986 | break; | |
6987 | case 4000000: | |
6988 | div_table = div_4000; | |
6989 | break; | |
6990 | case 4800000: | |
6991 | div_table = div_4800; | |
6992 | break; | |
6993 | case 5333333: | |
6994 | div_table = div_5333; | |
6995 | break; | |
6996 | default: | |
6997 | goto fail; | |
6998 | } | |
6999 | ||
7000 | return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]); | |
7001 | ||
caf4e252 | 7002 | fail: |
34edce2f VS |
7003 | DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%08x\n", vco, tmp); |
7004 | return 190476; | |
7005 | } | |
7006 | ||
2c07245f | 7007 | static void |
a65851af | 7008 | intel_reduce_m_n_ratio(uint32_t *num, uint32_t *den) |
2c07245f | 7009 | { |
a65851af VS |
7010 | while (*num > DATA_LINK_M_N_MASK || |
7011 | *den > DATA_LINK_M_N_MASK) { | |
2c07245f ZW |
7012 | *num >>= 1; |
7013 | *den >>= 1; | |
7014 | } | |
7015 | } | |
7016 | ||
a65851af VS |
7017 | static void compute_m_n(unsigned int m, unsigned int n, |
7018 | uint32_t *ret_m, uint32_t *ret_n) | |
7019 | { | |
7020 | *ret_n = min_t(unsigned int, roundup_pow_of_two(n), DATA_LINK_N_MAX); | |
7021 | *ret_m = div_u64((uint64_t) m * *ret_n, n); | |
7022 | intel_reduce_m_n_ratio(ret_m, ret_n); | |
7023 | } | |
7024 | ||
e69d0bc1 DV |
7025 | void |
7026 | intel_link_compute_m_n(int bits_per_pixel, int nlanes, | |
7027 | int pixel_clock, int link_clock, | |
7028 | struct intel_link_m_n *m_n) | |
2c07245f | 7029 | { |
e69d0bc1 | 7030 | m_n->tu = 64; |
a65851af VS |
7031 | |
7032 | compute_m_n(bits_per_pixel * pixel_clock, | |
7033 | link_clock * nlanes * 8, | |
7034 | &m_n->gmch_m, &m_n->gmch_n); | |
7035 | ||
7036 | compute_m_n(pixel_clock, link_clock, | |
7037 | &m_n->link_m, &m_n->link_n); | |
2c07245f ZW |
7038 | } |
7039 | ||
a7615030 CW |
7040 | static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv) |
7041 | { | |
d330a953 JN |
7042 | if (i915.panel_use_ssc >= 0) |
7043 | return i915.panel_use_ssc != 0; | |
41aa3448 | 7044 | return dev_priv->vbt.lvds_use_ssc |
435793df | 7045 | && !(dev_priv->quirks & QUIRK_LVDS_SSC_DISABLE); |
a7615030 CW |
7046 | } |
7047 | ||
a93e255f ACO |
7048 | static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state, |
7049 | int num_connectors) | |
c65d77d8 | 7050 | { |
a93e255f | 7051 | struct drm_device *dev = crtc_state->base.crtc->dev; |
c65d77d8 JB |
7052 | struct drm_i915_private *dev_priv = dev->dev_private; |
7053 | int refclk; | |
7054 | ||
a93e255f ACO |
7055 | WARN_ON(!crtc_state->base.state); |
7056 | ||
5ab7b0b7 | 7057 | if (IS_VALLEYVIEW(dev) || IS_BROXTON(dev)) { |
9a0ea498 | 7058 | refclk = 100000; |
a93e255f | 7059 | } else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
c65d77d8 | 7060 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) { |
e91e941b VS |
7061 | refclk = dev_priv->vbt.lvds_ssc_freq; |
7062 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", refclk); | |
c65d77d8 JB |
7063 | } else if (!IS_GEN2(dev)) { |
7064 | refclk = 96000; | |
7065 | } else { | |
7066 | refclk = 48000; | |
7067 | } | |
7068 | ||
7069 | return refclk; | |
7070 | } | |
7071 | ||
7429e9d4 | 7072 | static uint32_t pnv_dpll_compute_fp(struct dpll *dpll) |
c65d77d8 | 7073 | { |
7df00d7a | 7074 | return (1 << dpll->n) << 16 | dpll->m2; |
7429e9d4 | 7075 | } |
f47709a9 | 7076 | |
7429e9d4 DV |
7077 | static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll) |
7078 | { | |
7079 | return dpll->n << 16 | dpll->m1 << 8 | dpll->m2; | |
c65d77d8 JB |
7080 | } |
7081 | ||
f47709a9 | 7082 | static void i9xx_update_pll_dividers(struct intel_crtc *crtc, |
190f68c5 | 7083 | struct intel_crtc_state *crtc_state, |
a7516a05 JB |
7084 | intel_clock_t *reduced_clock) |
7085 | { | |
f47709a9 | 7086 | struct drm_device *dev = crtc->base.dev; |
a7516a05 JB |
7087 | u32 fp, fp2 = 0; |
7088 | ||
7089 | if (IS_PINEVIEW(dev)) { | |
190f68c5 | 7090 | fp = pnv_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 7091 | if (reduced_clock) |
7429e9d4 | 7092 | fp2 = pnv_dpll_compute_fp(reduced_clock); |
a7516a05 | 7093 | } else { |
190f68c5 | 7094 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); |
a7516a05 | 7095 | if (reduced_clock) |
7429e9d4 | 7096 | fp2 = i9xx_dpll_compute_fp(reduced_clock); |
a7516a05 JB |
7097 | } |
7098 | ||
190f68c5 | 7099 | crtc_state->dpll_hw_state.fp0 = fp; |
a7516a05 | 7100 | |
f47709a9 | 7101 | crtc->lowfreq_avail = false; |
a93e255f | 7102 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
ab585dea | 7103 | reduced_clock) { |
190f68c5 | 7104 | crtc_state->dpll_hw_state.fp1 = fp2; |
f47709a9 | 7105 | crtc->lowfreq_avail = true; |
a7516a05 | 7106 | } else { |
190f68c5 | 7107 | crtc_state->dpll_hw_state.fp1 = fp; |
a7516a05 JB |
7108 | } |
7109 | } | |
7110 | ||
5e69f97f CML |
7111 | static void vlv_pllb_recal_opamp(struct drm_i915_private *dev_priv, enum pipe |
7112 | pipe) | |
89b667f8 JB |
7113 | { |
7114 | u32 reg_val; | |
7115 | ||
7116 | /* | |
7117 | * PLLB opamp always calibrates to max value of 0x3f, force enable it | |
7118 | * and set it to a reasonable value instead. | |
7119 | */ | |
ab3c759a | 7120 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 JB |
7121 | reg_val &= 0xffffff00; |
7122 | reg_val |= 0x00000030; | |
ab3c759a | 7123 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 7124 | |
ab3c759a | 7125 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
7126 | reg_val &= 0x8cffffff; |
7127 | reg_val = 0x8c000000; | |
ab3c759a | 7128 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 | 7129 | |
ab3c759a | 7130 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW9(1)); |
89b667f8 | 7131 | reg_val &= 0xffffff00; |
ab3c759a | 7132 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9(1), reg_val); |
89b667f8 | 7133 | |
ab3c759a | 7134 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_REF_DW13); |
89b667f8 JB |
7135 | reg_val &= 0x00ffffff; |
7136 | reg_val |= 0xb0000000; | |
ab3c759a | 7137 | vlv_dpio_write(dev_priv, pipe, VLV_REF_DW13, reg_val); |
89b667f8 JB |
7138 | } |
7139 | ||
b551842d DV |
7140 | static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc, |
7141 | struct intel_link_m_n *m_n) | |
7142 | { | |
7143 | struct drm_device *dev = crtc->base.dev; | |
7144 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7145 | int pipe = crtc->pipe; | |
7146 | ||
e3b95f1e DV |
7147 | I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
7148 | I915_WRITE(PCH_TRANS_DATA_N1(pipe), m_n->gmch_n); | |
7149 | I915_WRITE(PCH_TRANS_LINK_M1(pipe), m_n->link_m); | |
7150 | I915_WRITE(PCH_TRANS_LINK_N1(pipe), m_n->link_n); | |
b551842d DV |
7151 | } |
7152 | ||
7153 | static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc, | |
f769cd24 VK |
7154 | struct intel_link_m_n *m_n, |
7155 | struct intel_link_m_n *m2_n2) | |
b551842d DV |
7156 | { |
7157 | struct drm_device *dev = crtc->base.dev; | |
7158 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7159 | int pipe = crtc->pipe; | |
6e3c9717 | 7160 | enum transcoder transcoder = crtc->config->cpu_transcoder; |
b551842d DV |
7161 | |
7162 | if (INTEL_INFO(dev)->gen >= 5) { | |
7163 | I915_WRITE(PIPE_DATA_M1(transcoder), TU_SIZE(m_n->tu) | m_n->gmch_m); | |
7164 | I915_WRITE(PIPE_DATA_N1(transcoder), m_n->gmch_n); | |
7165 | I915_WRITE(PIPE_LINK_M1(transcoder), m_n->link_m); | |
7166 | I915_WRITE(PIPE_LINK_N1(transcoder), m_n->link_n); | |
f769cd24 VK |
7167 | /* M2_N2 registers to be set only for gen < 8 (M2_N2 available |
7168 | * for gen < 8) and if DRRS is supported (to make sure the | |
7169 | * registers are not unnecessarily accessed). | |
7170 | */ | |
44395bfe | 7171 | if (m2_n2 && (IS_CHERRYVIEW(dev) || INTEL_INFO(dev)->gen < 8) && |
6e3c9717 | 7172 | crtc->config->has_drrs) { |
f769cd24 VK |
7173 | I915_WRITE(PIPE_DATA_M2(transcoder), |
7174 | TU_SIZE(m2_n2->tu) | m2_n2->gmch_m); | |
7175 | I915_WRITE(PIPE_DATA_N2(transcoder), m2_n2->gmch_n); | |
7176 | I915_WRITE(PIPE_LINK_M2(transcoder), m2_n2->link_m); | |
7177 | I915_WRITE(PIPE_LINK_N2(transcoder), m2_n2->link_n); | |
7178 | } | |
b551842d | 7179 | } else { |
e3b95f1e DV |
7180 | I915_WRITE(PIPE_DATA_M_G4X(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m); |
7181 | I915_WRITE(PIPE_DATA_N_G4X(pipe), m_n->gmch_n); | |
7182 | I915_WRITE(PIPE_LINK_M_G4X(pipe), m_n->link_m); | |
7183 | I915_WRITE(PIPE_LINK_N_G4X(pipe), m_n->link_n); | |
b551842d DV |
7184 | } |
7185 | } | |
7186 | ||
fe3cd48d | 7187 | void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n) |
03afc4a2 | 7188 | { |
fe3cd48d R |
7189 | struct intel_link_m_n *dp_m_n, *dp_m2_n2 = NULL; |
7190 | ||
7191 | if (m_n == M1_N1) { | |
7192 | dp_m_n = &crtc->config->dp_m_n; | |
7193 | dp_m2_n2 = &crtc->config->dp_m2_n2; | |
7194 | } else if (m_n == M2_N2) { | |
7195 | ||
7196 | /* | |
7197 | * M2_N2 registers are not supported. Hence m2_n2 divider value | |
7198 | * needs to be programmed into M1_N1. | |
7199 | */ | |
7200 | dp_m_n = &crtc->config->dp_m2_n2; | |
7201 | } else { | |
7202 | DRM_ERROR("Unsupported divider value\n"); | |
7203 | return; | |
7204 | } | |
7205 | ||
6e3c9717 ACO |
7206 | if (crtc->config->has_pch_encoder) |
7207 | intel_pch_transcoder_set_m_n(crtc, &crtc->config->dp_m_n); | |
03afc4a2 | 7208 | else |
fe3cd48d | 7209 | intel_cpu_transcoder_set_m_n(crtc, dp_m_n, dp_m2_n2); |
03afc4a2 DV |
7210 | } |
7211 | ||
251ac862 DV |
7212 | static void vlv_compute_dpll(struct intel_crtc *crtc, |
7213 | struct intel_crtc_state *pipe_config) | |
bdd4b6a6 DV |
7214 | { |
7215 | u32 dpll, dpll_md; | |
7216 | ||
7217 | /* | |
7218 | * Enable DPIO clock input. We should never disable the reference | |
7219 | * clock for pipe B, since VGA hotplug / manual detection depends | |
7220 | * on it. | |
7221 | */ | |
60bfe44f VS |
7222 | dpll = DPLL_EXT_BUFFER_ENABLE_VLV | DPLL_REF_CLK_ENABLE_VLV | |
7223 | DPLL_VGA_MODE_DIS | DPLL_INTEGRATED_REF_CLK_VLV; | |
bdd4b6a6 DV |
7224 | /* We should never disable this, set it here for state tracking */ |
7225 | if (crtc->pipe == PIPE_B) | |
7226 | dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; | |
7227 | dpll |= DPLL_VCO_ENABLE; | |
d288f65f | 7228 | pipe_config->dpll_hw_state.dpll = dpll; |
bdd4b6a6 | 7229 | |
d288f65f | 7230 | dpll_md = (pipe_config->pixel_multiplier - 1) |
bdd4b6a6 | 7231 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
d288f65f | 7232 | pipe_config->dpll_hw_state.dpll_md = dpll_md; |
bdd4b6a6 DV |
7233 | } |
7234 | ||
d288f65f | 7235 | static void vlv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7236 | const struct intel_crtc_state *pipe_config) |
a0c4da24 | 7237 | { |
f47709a9 | 7238 | struct drm_device *dev = crtc->base.dev; |
a0c4da24 | 7239 | struct drm_i915_private *dev_priv = dev->dev_private; |
f47709a9 | 7240 | int pipe = crtc->pipe; |
bdd4b6a6 | 7241 | u32 mdiv; |
a0c4da24 | 7242 | u32 bestn, bestm1, bestm2, bestp1, bestp2; |
bdd4b6a6 | 7243 | u32 coreclk, reg_val; |
a0c4da24 | 7244 | |
a580516d | 7245 | mutex_lock(&dev_priv->sb_lock); |
09153000 | 7246 | |
d288f65f VS |
7247 | bestn = pipe_config->dpll.n; |
7248 | bestm1 = pipe_config->dpll.m1; | |
7249 | bestm2 = pipe_config->dpll.m2; | |
7250 | bestp1 = pipe_config->dpll.p1; | |
7251 | bestp2 = pipe_config->dpll.p2; | |
a0c4da24 | 7252 | |
89b667f8 JB |
7253 | /* See eDP HDMI DPIO driver vbios notes doc */ |
7254 | ||
7255 | /* PLL B needs special handling */ | |
bdd4b6a6 | 7256 | if (pipe == PIPE_B) |
5e69f97f | 7257 | vlv_pllb_recal_opamp(dev_priv, pipe); |
89b667f8 JB |
7258 | |
7259 | /* Set up Tx target for periodic Rcomp update */ | |
ab3c759a | 7260 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW9_BCAST, 0x0100000f); |
89b667f8 JB |
7261 | |
7262 | /* Disable target IRef on PLL */ | |
ab3c759a | 7263 | reg_val = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW8(pipe)); |
89b667f8 | 7264 | reg_val &= 0x00ffffff; |
ab3c759a | 7265 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW8(pipe), reg_val); |
89b667f8 JB |
7266 | |
7267 | /* Disable fast lock */ | |
ab3c759a | 7268 | vlv_dpio_write(dev_priv, pipe, VLV_CMN_DW0, 0x610); |
89b667f8 JB |
7269 | |
7270 | /* Set idtafcrecal before PLL is enabled */ | |
a0c4da24 JB |
7271 | mdiv = ((bestm1 << DPIO_M1DIV_SHIFT) | (bestm2 & DPIO_M2DIV_MASK)); |
7272 | mdiv |= ((bestp1 << DPIO_P1_SHIFT) | (bestp2 << DPIO_P2_SHIFT)); | |
7273 | mdiv |= ((bestn << DPIO_N_SHIFT)); | |
a0c4da24 | 7274 | mdiv |= (1 << DPIO_K_SHIFT); |
7df5080b JB |
7275 | |
7276 | /* | |
7277 | * Post divider depends on pixel clock rate, DAC vs digital (and LVDS, | |
7278 | * but we don't support that). | |
7279 | * Note: don't use the DAC post divider as it seems unstable. | |
7280 | */ | |
7281 | mdiv |= (DPIO_POST_DIV_HDMIDP << DPIO_POST_DIV_SHIFT); | |
ab3c759a | 7282 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 7283 | |
a0c4da24 | 7284 | mdiv |= DPIO_ENABLE_CALIBRATION; |
ab3c759a | 7285 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW3(pipe), mdiv); |
a0c4da24 | 7286 | |
89b667f8 | 7287 | /* Set HBR and RBR LPF coefficients */ |
d288f65f | 7288 | if (pipe_config->port_clock == 162000 || |
409ee761 ACO |
7289 | intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG) || |
7290 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) | |
ab3c759a | 7291 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
885b0120 | 7292 | 0x009f0003); |
89b667f8 | 7293 | else |
ab3c759a | 7294 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW10(pipe), |
89b667f8 JB |
7295 | 0x00d0000f); |
7296 | ||
681a8504 | 7297 | if (pipe_config->has_dp_encoder) { |
89b667f8 | 7298 | /* Use SSC source */ |
bdd4b6a6 | 7299 | if (pipe == PIPE_A) |
ab3c759a | 7300 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7301 | 0x0df40000); |
7302 | else | |
ab3c759a | 7303 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7304 | 0x0df70000); |
7305 | } else { /* HDMI or VGA */ | |
7306 | /* Use bend source */ | |
bdd4b6a6 | 7307 | if (pipe == PIPE_A) |
ab3c759a | 7308 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7309 | 0x0df70000); |
7310 | else | |
ab3c759a | 7311 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW5(pipe), |
89b667f8 JB |
7312 | 0x0df40000); |
7313 | } | |
a0c4da24 | 7314 | |
ab3c759a | 7315 | coreclk = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW7(pipe)); |
89b667f8 | 7316 | coreclk = (coreclk & 0x0000ff00) | 0x01c00000; |
409ee761 ACO |
7317 | if (intel_pipe_has_type(crtc, INTEL_OUTPUT_DISPLAYPORT) || |
7318 | intel_pipe_has_type(crtc, INTEL_OUTPUT_EDP)) | |
89b667f8 | 7319 | coreclk |= 0x01000000; |
ab3c759a | 7320 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW7(pipe), coreclk); |
a0c4da24 | 7321 | |
ab3c759a | 7322 | vlv_dpio_write(dev_priv, pipe, VLV_PLL_DW11(pipe), 0x87871000); |
a580516d | 7323 | mutex_unlock(&dev_priv->sb_lock); |
a0c4da24 JB |
7324 | } |
7325 | ||
251ac862 DV |
7326 | static void chv_compute_dpll(struct intel_crtc *crtc, |
7327 | struct intel_crtc_state *pipe_config) | |
1ae0d137 | 7328 | { |
60bfe44f VS |
7329 | pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLK_CHV | |
7330 | DPLL_REF_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS | | |
1ae0d137 VS |
7331 | DPLL_VCO_ENABLE; |
7332 | if (crtc->pipe != PIPE_A) | |
d288f65f | 7333 | pipe_config->dpll_hw_state.dpll |= DPLL_INTEGRATED_CRI_CLK_VLV; |
1ae0d137 | 7334 | |
d288f65f VS |
7335 | pipe_config->dpll_hw_state.dpll_md = |
7336 | (pipe_config->pixel_multiplier - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT; | |
1ae0d137 VS |
7337 | } |
7338 | ||
d288f65f | 7339 | static void chv_prepare_pll(struct intel_crtc *crtc, |
5cec258b | 7340 | const struct intel_crtc_state *pipe_config) |
9d556c99 CML |
7341 | { |
7342 | struct drm_device *dev = crtc->base.dev; | |
7343 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7344 | int pipe = crtc->pipe; | |
7345 | int dpll_reg = DPLL(crtc->pipe); | |
7346 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
9cbe40c1 | 7347 | u32 loopfilter, tribuf_calcntr; |
9d556c99 | 7348 | u32 bestn, bestm1, bestm2, bestp1, bestp2, bestm2_frac; |
a945ce7e | 7349 | u32 dpio_val; |
9cbe40c1 | 7350 | int vco; |
9d556c99 | 7351 | |
d288f65f VS |
7352 | bestn = pipe_config->dpll.n; |
7353 | bestm2_frac = pipe_config->dpll.m2 & 0x3fffff; | |
7354 | bestm1 = pipe_config->dpll.m1; | |
7355 | bestm2 = pipe_config->dpll.m2 >> 22; | |
7356 | bestp1 = pipe_config->dpll.p1; | |
7357 | bestp2 = pipe_config->dpll.p2; | |
9cbe40c1 | 7358 | vco = pipe_config->dpll.vco; |
a945ce7e | 7359 | dpio_val = 0; |
9cbe40c1 | 7360 | loopfilter = 0; |
9d556c99 CML |
7361 | |
7362 | /* | |
7363 | * Enable Refclk and SSC | |
7364 | */ | |
a11b0703 | 7365 | I915_WRITE(dpll_reg, |
d288f65f | 7366 | pipe_config->dpll_hw_state.dpll & ~DPLL_VCO_ENABLE); |
a11b0703 | 7367 | |
a580516d | 7368 | mutex_lock(&dev_priv->sb_lock); |
9d556c99 | 7369 | |
9d556c99 CML |
7370 | /* p1 and p2 divider */ |
7371 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW13(port), | |
7372 | 5 << DPIO_CHV_S1_DIV_SHIFT | | |
7373 | bestp1 << DPIO_CHV_P1_DIV_SHIFT | | |
7374 | bestp2 << DPIO_CHV_P2_DIV_SHIFT | | |
7375 | 1 << DPIO_CHV_K_DIV_SHIFT); | |
7376 | ||
7377 | /* Feedback post-divider - m2 */ | |
7378 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW0(port), bestm2); | |
7379 | ||
7380 | /* Feedback refclk divider - n and m1 */ | |
7381 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW1(port), | |
7382 | DPIO_CHV_M1_DIV_BY_2 | | |
7383 | 1 << DPIO_CHV_N_DIV_SHIFT); | |
7384 | ||
7385 | /* M2 fraction division */ | |
25a25dfc | 7386 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW2(port), bestm2_frac); |
9d556c99 CML |
7387 | |
7388 | /* M2 fraction division enable */ | |
a945ce7e VP |
7389 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
7390 | dpio_val &= ~(DPIO_CHV_FEEDFWD_GAIN_MASK | DPIO_CHV_FRAC_DIV_EN); | |
7391 | dpio_val |= (2 << DPIO_CHV_FEEDFWD_GAIN_SHIFT); | |
7392 | if (bestm2_frac) | |
7393 | dpio_val |= DPIO_CHV_FRAC_DIV_EN; | |
7394 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW3(port), dpio_val); | |
9d556c99 | 7395 | |
de3a0fde VP |
7396 | /* Program digital lock detect threshold */ |
7397 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW9(port)); | |
7398 | dpio_val &= ~(DPIO_CHV_INT_LOCK_THRESHOLD_MASK | | |
7399 | DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE); | |
7400 | dpio_val |= (0x5 << DPIO_CHV_INT_LOCK_THRESHOLD_SHIFT); | |
7401 | if (!bestm2_frac) | |
7402 | dpio_val |= DPIO_CHV_INT_LOCK_THRESHOLD_SEL_COARSE; | |
7403 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW9(port), dpio_val); | |
7404 | ||
9d556c99 | 7405 | /* Loop filter */ |
9cbe40c1 VP |
7406 | if (vco == 5400000) { |
7407 | loopfilter |= (0x3 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7408 | loopfilter |= (0x8 << DPIO_CHV_INT_COEFF_SHIFT); | |
7409 | loopfilter |= (0x1 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7410 | tribuf_calcntr = 0x9; | |
7411 | } else if (vco <= 6200000) { | |
7412 | loopfilter |= (0x5 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7413 | loopfilter |= (0xB << DPIO_CHV_INT_COEFF_SHIFT); | |
7414 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7415 | tribuf_calcntr = 0x9; | |
7416 | } else if (vco <= 6480000) { | |
7417 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7418 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
7419 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7420 | tribuf_calcntr = 0x8; | |
7421 | } else { | |
7422 | /* Not supported. Apply the same limits as in the max case */ | |
7423 | loopfilter |= (0x4 << DPIO_CHV_PROP_COEFF_SHIFT); | |
7424 | loopfilter |= (0x9 << DPIO_CHV_INT_COEFF_SHIFT); | |
7425 | loopfilter |= (0x3 << DPIO_CHV_GAIN_CTRL_SHIFT); | |
7426 | tribuf_calcntr = 0; | |
7427 | } | |
9d556c99 CML |
7428 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW6(port), loopfilter); |
7429 | ||
968040b2 | 7430 | dpio_val = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW8(port)); |
9cbe40c1 VP |
7431 | dpio_val &= ~DPIO_CHV_TDC_TARGET_CNT_MASK; |
7432 | dpio_val |= (tribuf_calcntr << DPIO_CHV_TDC_TARGET_CNT_SHIFT); | |
7433 | vlv_dpio_write(dev_priv, pipe, CHV_PLL_DW8(port), dpio_val); | |
7434 | ||
9d556c99 CML |
7435 | /* AFC Recal */ |
7436 | vlv_dpio_write(dev_priv, pipe, CHV_CMN_DW14(port), | |
7437 | vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW14(port)) | | |
7438 | DPIO_AFC_RECAL); | |
7439 | ||
a580516d | 7440 | mutex_unlock(&dev_priv->sb_lock); |
9d556c99 CML |
7441 | } |
7442 | ||
d288f65f VS |
7443 | /** |
7444 | * vlv_force_pll_on - forcibly enable just the PLL | |
7445 | * @dev_priv: i915 private structure | |
7446 | * @pipe: pipe PLL to enable | |
7447 | * @dpll: PLL configuration | |
7448 | * | |
7449 | * Enable the PLL for @pipe using the supplied @dpll config. To be used | |
7450 | * in cases where we need the PLL enabled even when @pipe is not going to | |
7451 | * be enabled. | |
7452 | */ | |
7453 | void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe, | |
7454 | const struct dpll *dpll) | |
7455 | { | |
7456 | struct intel_crtc *crtc = | |
7457 | to_intel_crtc(intel_get_crtc_for_pipe(dev, pipe)); | |
5cec258b | 7458 | struct intel_crtc_state pipe_config = { |
a93e255f | 7459 | .base.crtc = &crtc->base, |
d288f65f VS |
7460 | .pixel_multiplier = 1, |
7461 | .dpll = *dpll, | |
7462 | }; | |
7463 | ||
7464 | if (IS_CHERRYVIEW(dev)) { | |
251ac862 | 7465 | chv_compute_dpll(crtc, &pipe_config); |
d288f65f VS |
7466 | chv_prepare_pll(crtc, &pipe_config); |
7467 | chv_enable_pll(crtc, &pipe_config); | |
7468 | } else { | |
251ac862 | 7469 | vlv_compute_dpll(crtc, &pipe_config); |
d288f65f VS |
7470 | vlv_prepare_pll(crtc, &pipe_config); |
7471 | vlv_enable_pll(crtc, &pipe_config); | |
7472 | } | |
7473 | } | |
7474 | ||
7475 | /** | |
7476 | * vlv_force_pll_off - forcibly disable just the PLL | |
7477 | * @dev_priv: i915 private structure | |
7478 | * @pipe: pipe PLL to disable | |
7479 | * | |
7480 | * Disable the PLL for @pipe. To be used in cases where we need | |
7481 | * the PLL enabled even when @pipe is not going to be enabled. | |
7482 | */ | |
7483 | void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe) | |
7484 | { | |
7485 | if (IS_CHERRYVIEW(dev)) | |
7486 | chv_disable_pll(to_i915(dev), pipe); | |
7487 | else | |
7488 | vlv_disable_pll(to_i915(dev), pipe); | |
7489 | } | |
7490 | ||
251ac862 DV |
7491 | static void i9xx_compute_dpll(struct intel_crtc *crtc, |
7492 | struct intel_crtc_state *crtc_state, | |
7493 | intel_clock_t *reduced_clock, | |
7494 | int num_connectors) | |
eb1cbe48 | 7495 | { |
f47709a9 | 7496 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 7497 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 DV |
7498 | u32 dpll; |
7499 | bool is_sdvo; | |
190f68c5 | 7500 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 7501 | |
190f68c5 | 7502 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 7503 | |
a93e255f ACO |
7504 | is_sdvo = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_SDVO) || |
7505 | intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_HDMI); | |
eb1cbe48 DV |
7506 | |
7507 | dpll = DPLL_VGA_MODE_DIS; | |
7508 | ||
a93e255f | 7509 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) |
eb1cbe48 DV |
7510 | dpll |= DPLLB_MODE_LVDS; |
7511 | else | |
7512 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
6cc5f341 | 7513 | |
ef1b460d | 7514 | if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
190f68c5 | 7515 | dpll |= (crtc_state->pixel_multiplier - 1) |
198a037f | 7516 | << SDVO_MULTIPLIER_SHIFT_HIRES; |
eb1cbe48 | 7517 | } |
198a037f DV |
7518 | |
7519 | if (is_sdvo) | |
4a33e48d | 7520 | dpll |= DPLL_SDVO_HIGH_SPEED; |
198a037f | 7521 | |
190f68c5 | 7522 | if (crtc_state->has_dp_encoder) |
4a33e48d | 7523 | dpll |= DPLL_SDVO_HIGH_SPEED; |
eb1cbe48 DV |
7524 | |
7525 | /* compute bitmask from p1 value */ | |
7526 | if (IS_PINEVIEW(dev)) | |
7527 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW; | |
7528 | else { | |
7529 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
7530 | if (IS_G4X(dev) && reduced_clock) | |
7531 | dpll |= (1 << (reduced_clock->p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; | |
7532 | } | |
7533 | switch (clock->p2) { | |
7534 | case 5: | |
7535 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
7536 | break; | |
7537 | case 7: | |
7538 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
7539 | break; | |
7540 | case 10: | |
7541 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
7542 | break; | |
7543 | case 14: | |
7544 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
7545 | break; | |
7546 | } | |
7547 | if (INTEL_INFO(dev)->gen >= 4) | |
7548 | dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT); | |
7549 | ||
190f68c5 | 7550 | if (crtc_state->sdvo_tv_clock) |
eb1cbe48 | 7551 | dpll |= PLL_REF_INPUT_TVCLKINBC; |
a93e255f | 7552 | else if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
7553 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7554 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
7555 | else | |
7556 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7557 | ||
7558 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 7559 | crtc_state->dpll_hw_state.dpll = dpll; |
8bcc2795 | 7560 | |
eb1cbe48 | 7561 | if (INTEL_INFO(dev)->gen >= 4) { |
190f68c5 | 7562 | u32 dpll_md = (crtc_state->pixel_multiplier - 1) |
ef1b460d | 7563 | << DPLL_MD_UDI_MULTIPLIER_SHIFT; |
190f68c5 | 7564 | crtc_state->dpll_hw_state.dpll_md = dpll_md; |
eb1cbe48 DV |
7565 | } |
7566 | } | |
7567 | ||
251ac862 DV |
7568 | static void i8xx_compute_dpll(struct intel_crtc *crtc, |
7569 | struct intel_crtc_state *crtc_state, | |
7570 | intel_clock_t *reduced_clock, | |
7571 | int num_connectors) | |
eb1cbe48 | 7572 | { |
f47709a9 | 7573 | struct drm_device *dev = crtc->base.dev; |
eb1cbe48 | 7574 | struct drm_i915_private *dev_priv = dev->dev_private; |
eb1cbe48 | 7575 | u32 dpll; |
190f68c5 | 7576 | struct dpll *clock = &crtc_state->dpll; |
eb1cbe48 | 7577 | |
190f68c5 | 7578 | i9xx_update_pll_dividers(crtc, crtc_state, reduced_clock); |
2a8f64ca | 7579 | |
eb1cbe48 DV |
7580 | dpll = DPLL_VGA_MODE_DIS; |
7581 | ||
a93e255f | 7582 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) { |
eb1cbe48 DV |
7583 | dpll |= (1 << (clock->p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
7584 | } else { | |
7585 | if (clock->p1 == 2) | |
7586 | dpll |= PLL_P1_DIVIDE_BY_TWO; | |
7587 | else | |
7588 | dpll |= (clock->p1 - 2) << DPLL_FPA01_P1_POST_DIV_SHIFT; | |
7589 | if (clock->p2 == 4) | |
7590 | dpll |= PLL_P2_DIVIDE_BY_4; | |
7591 | } | |
7592 | ||
a93e255f | 7593 | if (!IS_I830(dev) && intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_DVO)) |
4a33e48d DV |
7594 | dpll |= DPLL_DVO_2X_MODE; |
7595 | ||
a93e255f | 7596 | if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS) && |
eb1cbe48 DV |
7597 | intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
7598 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; | |
7599 | else | |
7600 | dpll |= PLL_REF_INPUT_DREFCLK; | |
7601 | ||
7602 | dpll |= DPLL_VCO_ENABLE; | |
190f68c5 | 7603 | crtc_state->dpll_hw_state.dpll = dpll; |
eb1cbe48 DV |
7604 | } |
7605 | ||
8a654f3b | 7606 | static void intel_set_pipe_timings(struct intel_crtc *intel_crtc) |
b0e77b9c PZ |
7607 | { |
7608 | struct drm_device *dev = intel_crtc->base.dev; | |
7609 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7610 | enum pipe pipe = intel_crtc->pipe; | |
6e3c9717 | 7611 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
7c5f93b0 | 7612 | const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode; |
1caea6e9 VS |
7613 | uint32_t crtc_vtotal, crtc_vblank_end; |
7614 | int vsyncshift = 0; | |
4d8a62ea DV |
7615 | |
7616 | /* We need to be careful not to changed the adjusted mode, for otherwise | |
7617 | * the hw state checker will get angry at the mismatch. */ | |
7618 | crtc_vtotal = adjusted_mode->crtc_vtotal; | |
7619 | crtc_vblank_end = adjusted_mode->crtc_vblank_end; | |
b0e77b9c | 7620 | |
609aeaca | 7621 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { |
b0e77b9c | 7622 | /* the chip adds 2 halflines automatically */ |
4d8a62ea DV |
7623 | crtc_vtotal -= 1; |
7624 | crtc_vblank_end -= 1; | |
609aeaca | 7625 | |
409ee761 | 7626 | if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
609aeaca VS |
7627 | vsyncshift = (adjusted_mode->crtc_htotal - 1) / 2; |
7628 | else | |
7629 | vsyncshift = adjusted_mode->crtc_hsync_start - | |
7630 | adjusted_mode->crtc_htotal / 2; | |
1caea6e9 VS |
7631 | if (vsyncshift < 0) |
7632 | vsyncshift += adjusted_mode->crtc_htotal; | |
b0e77b9c PZ |
7633 | } |
7634 | ||
7635 | if (INTEL_INFO(dev)->gen > 3) | |
fe2b8f9d | 7636 | I915_WRITE(VSYNCSHIFT(cpu_transcoder), vsyncshift); |
b0e77b9c | 7637 | |
fe2b8f9d | 7638 | I915_WRITE(HTOTAL(cpu_transcoder), |
b0e77b9c PZ |
7639 | (adjusted_mode->crtc_hdisplay - 1) | |
7640 | ((adjusted_mode->crtc_htotal - 1) << 16)); | |
fe2b8f9d | 7641 | I915_WRITE(HBLANK(cpu_transcoder), |
b0e77b9c PZ |
7642 | (adjusted_mode->crtc_hblank_start - 1) | |
7643 | ((adjusted_mode->crtc_hblank_end - 1) << 16)); | |
fe2b8f9d | 7644 | I915_WRITE(HSYNC(cpu_transcoder), |
b0e77b9c PZ |
7645 | (adjusted_mode->crtc_hsync_start - 1) | |
7646 | ((adjusted_mode->crtc_hsync_end - 1) << 16)); | |
7647 | ||
fe2b8f9d | 7648 | I915_WRITE(VTOTAL(cpu_transcoder), |
b0e77b9c | 7649 | (adjusted_mode->crtc_vdisplay - 1) | |
4d8a62ea | 7650 | ((crtc_vtotal - 1) << 16)); |
fe2b8f9d | 7651 | I915_WRITE(VBLANK(cpu_transcoder), |
b0e77b9c | 7652 | (adjusted_mode->crtc_vblank_start - 1) | |
4d8a62ea | 7653 | ((crtc_vblank_end - 1) << 16)); |
fe2b8f9d | 7654 | I915_WRITE(VSYNC(cpu_transcoder), |
b0e77b9c PZ |
7655 | (adjusted_mode->crtc_vsync_start - 1) | |
7656 | ((adjusted_mode->crtc_vsync_end - 1) << 16)); | |
7657 | ||
b5e508d4 PZ |
7658 | /* Workaround: when the EDP input selection is B, the VTOTAL_B must be |
7659 | * programmed with the VTOTAL_EDP value. Same for VTOTAL_C. This is | |
7660 | * documented on the DDI_FUNC_CTL register description, EDP Input Select | |
7661 | * bits. */ | |
7662 | if (IS_HASWELL(dev) && cpu_transcoder == TRANSCODER_EDP && | |
7663 | (pipe == PIPE_B || pipe == PIPE_C)) | |
7664 | I915_WRITE(VTOTAL(pipe), I915_READ(VTOTAL(cpu_transcoder))); | |
7665 | ||
b0e77b9c PZ |
7666 | /* pipesrc controls the size that is scaled from, which should |
7667 | * always be the user's requested size. | |
7668 | */ | |
7669 | I915_WRITE(PIPESRC(pipe), | |
6e3c9717 ACO |
7670 | ((intel_crtc->config->pipe_src_w - 1) << 16) | |
7671 | (intel_crtc->config->pipe_src_h - 1)); | |
b0e77b9c PZ |
7672 | } |
7673 | ||
1bd1bd80 | 7674 | static void intel_get_pipe_timings(struct intel_crtc *crtc, |
5cec258b | 7675 | struct intel_crtc_state *pipe_config) |
1bd1bd80 DV |
7676 | { |
7677 | struct drm_device *dev = crtc->base.dev; | |
7678 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7679 | enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; | |
7680 | uint32_t tmp; | |
7681 | ||
7682 | tmp = I915_READ(HTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
7683 | pipe_config->base.adjusted_mode.crtc_hdisplay = (tmp & 0xffff) + 1; |
7684 | pipe_config->base.adjusted_mode.crtc_htotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7685 | tmp = I915_READ(HBLANK(cpu_transcoder)); |
2d112de7 ACO |
7686 | pipe_config->base.adjusted_mode.crtc_hblank_start = (tmp & 0xffff) + 1; |
7687 | pipe_config->base.adjusted_mode.crtc_hblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7688 | tmp = I915_READ(HSYNC(cpu_transcoder)); |
2d112de7 ACO |
7689 | pipe_config->base.adjusted_mode.crtc_hsync_start = (tmp & 0xffff) + 1; |
7690 | pipe_config->base.adjusted_mode.crtc_hsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
7691 | |
7692 | tmp = I915_READ(VTOTAL(cpu_transcoder)); | |
2d112de7 ACO |
7693 | pipe_config->base.adjusted_mode.crtc_vdisplay = (tmp & 0xffff) + 1; |
7694 | pipe_config->base.adjusted_mode.crtc_vtotal = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7695 | tmp = I915_READ(VBLANK(cpu_transcoder)); |
2d112de7 ACO |
7696 | pipe_config->base.adjusted_mode.crtc_vblank_start = (tmp & 0xffff) + 1; |
7697 | pipe_config->base.adjusted_mode.crtc_vblank_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 | 7698 | tmp = I915_READ(VSYNC(cpu_transcoder)); |
2d112de7 ACO |
7699 | pipe_config->base.adjusted_mode.crtc_vsync_start = (tmp & 0xffff) + 1; |
7700 | pipe_config->base.adjusted_mode.crtc_vsync_end = ((tmp >> 16) & 0xffff) + 1; | |
1bd1bd80 DV |
7701 | |
7702 | if (I915_READ(PIPECONF(cpu_transcoder)) & PIPECONF_INTERLACE_MASK) { | |
2d112de7 ACO |
7703 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_INTERLACE; |
7704 | pipe_config->base.adjusted_mode.crtc_vtotal += 1; | |
7705 | pipe_config->base.adjusted_mode.crtc_vblank_end += 1; | |
1bd1bd80 DV |
7706 | } |
7707 | ||
7708 | tmp = I915_READ(PIPESRC(crtc->pipe)); | |
37327abd VS |
7709 | pipe_config->pipe_src_h = (tmp & 0xffff) + 1; |
7710 | pipe_config->pipe_src_w = ((tmp >> 16) & 0xffff) + 1; | |
7711 | ||
2d112de7 ACO |
7712 | pipe_config->base.mode.vdisplay = pipe_config->pipe_src_h; |
7713 | pipe_config->base.mode.hdisplay = pipe_config->pipe_src_w; | |
1bd1bd80 DV |
7714 | } |
7715 | ||
f6a83288 | 7716 | void intel_mode_from_pipe_config(struct drm_display_mode *mode, |
5cec258b | 7717 | struct intel_crtc_state *pipe_config) |
babea61d | 7718 | { |
2d112de7 ACO |
7719 | mode->hdisplay = pipe_config->base.adjusted_mode.crtc_hdisplay; |
7720 | mode->htotal = pipe_config->base.adjusted_mode.crtc_htotal; | |
7721 | mode->hsync_start = pipe_config->base.adjusted_mode.crtc_hsync_start; | |
7722 | mode->hsync_end = pipe_config->base.adjusted_mode.crtc_hsync_end; | |
babea61d | 7723 | |
2d112de7 ACO |
7724 | mode->vdisplay = pipe_config->base.adjusted_mode.crtc_vdisplay; |
7725 | mode->vtotal = pipe_config->base.adjusted_mode.crtc_vtotal; | |
7726 | mode->vsync_start = pipe_config->base.adjusted_mode.crtc_vsync_start; | |
7727 | mode->vsync_end = pipe_config->base.adjusted_mode.crtc_vsync_end; | |
babea61d | 7728 | |
2d112de7 | 7729 | mode->flags = pipe_config->base.adjusted_mode.flags; |
cd13f5ab | 7730 | mode->type = DRM_MODE_TYPE_DRIVER; |
babea61d | 7731 | |
2d112de7 ACO |
7732 | mode->clock = pipe_config->base.adjusted_mode.crtc_clock; |
7733 | mode->flags |= pipe_config->base.adjusted_mode.flags; | |
cd13f5ab ML |
7734 | |
7735 | mode->hsync = drm_mode_hsync(mode); | |
7736 | mode->vrefresh = drm_mode_vrefresh(mode); | |
7737 | drm_mode_set_name(mode); | |
babea61d JB |
7738 | } |
7739 | ||
84b046f3 DV |
7740 | static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc) |
7741 | { | |
7742 | struct drm_device *dev = intel_crtc->base.dev; | |
7743 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7744 | uint32_t pipeconf; | |
7745 | ||
9f11a9e4 | 7746 | pipeconf = 0; |
84b046f3 | 7747 | |
b6b5d049 VS |
7748 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
7749 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
7750 | pipeconf |= I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE; | |
67c72a12 | 7751 | |
6e3c9717 | 7752 | if (intel_crtc->config->double_wide) |
cf532bb2 | 7753 | pipeconf |= PIPECONF_DOUBLE_WIDE; |
84b046f3 | 7754 | |
ff9ce46e DV |
7755 | /* only g4x and later have fancy bpc/dither controls */ |
7756 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { | |
ff9ce46e | 7757 | /* Bspec claims that we can't use dithering for 30bpp pipes. */ |
6e3c9717 | 7758 | if (intel_crtc->config->dither && intel_crtc->config->pipe_bpp != 30) |
ff9ce46e | 7759 | pipeconf |= PIPECONF_DITHER_EN | |
84b046f3 | 7760 | PIPECONF_DITHER_TYPE_SP; |
84b046f3 | 7761 | |
6e3c9717 | 7762 | switch (intel_crtc->config->pipe_bpp) { |
ff9ce46e DV |
7763 | case 18: |
7764 | pipeconf |= PIPECONF_6BPC; | |
7765 | break; | |
7766 | case 24: | |
7767 | pipeconf |= PIPECONF_8BPC; | |
7768 | break; | |
7769 | case 30: | |
7770 | pipeconf |= PIPECONF_10BPC; | |
7771 | break; | |
7772 | default: | |
7773 | /* Case prevented by intel_choose_pipe_bpp_dither. */ | |
7774 | BUG(); | |
84b046f3 DV |
7775 | } |
7776 | } | |
7777 | ||
7778 | if (HAS_PIPE_CXSR(dev)) { | |
7779 | if (intel_crtc->lowfreq_avail) { | |
7780 | DRM_DEBUG_KMS("enabling CxSR downclocking\n"); | |
7781 | pipeconf |= PIPECONF_CXSR_DOWNCLOCK; | |
7782 | } else { | |
7783 | DRM_DEBUG_KMS("disabling CxSR downclocking\n"); | |
84b046f3 DV |
7784 | } |
7785 | } | |
7786 | ||
6e3c9717 | 7787 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) { |
efc2cfff | 7788 | if (INTEL_INFO(dev)->gen < 4 || |
409ee761 | 7789 | intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_SDVO)) |
efc2cfff VS |
7790 | pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; |
7791 | else | |
7792 | pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT; | |
7793 | } else | |
84b046f3 DV |
7794 | pipeconf |= PIPECONF_PROGRESSIVE; |
7795 | ||
6e3c9717 | 7796 | if (IS_VALLEYVIEW(dev) && intel_crtc->config->limited_color_range) |
9f11a9e4 | 7797 | pipeconf |= PIPECONF_COLOR_RANGE_SELECT; |
9c8e09b7 | 7798 | |
84b046f3 DV |
7799 | I915_WRITE(PIPECONF(intel_crtc->pipe), pipeconf); |
7800 | POSTING_READ(PIPECONF(intel_crtc->pipe)); | |
7801 | } | |
7802 | ||
190f68c5 ACO |
7803 | static int i9xx_crtc_compute_clock(struct intel_crtc *crtc, |
7804 | struct intel_crtc_state *crtc_state) | |
79e53945 | 7805 | { |
c7653199 | 7806 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 7807 | struct drm_i915_private *dev_priv = dev->dev_private; |
c751ce4f | 7808 | int refclk, num_connectors = 0; |
c329a4ec DV |
7809 | intel_clock_t clock; |
7810 | bool ok; | |
7811 | bool is_dsi = false; | |
5eddb70b | 7812 | struct intel_encoder *encoder; |
d4906093 | 7813 | const intel_limit_t *limit; |
55bb9992 | 7814 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 7815 | struct drm_connector *connector; |
55bb9992 ACO |
7816 | struct drm_connector_state *connector_state; |
7817 | int i; | |
79e53945 | 7818 | |
dd3cd74a ACO |
7819 | memset(&crtc_state->dpll_hw_state, 0, |
7820 | sizeof(crtc_state->dpll_hw_state)); | |
7821 | ||
da3ced29 | 7822 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
7823 | if (connector_state->crtc != &crtc->base) |
7824 | continue; | |
7825 | ||
7826 | encoder = to_intel_encoder(connector_state->best_encoder); | |
7827 | ||
5eddb70b | 7828 | switch (encoder->type) { |
e9fd1c02 JN |
7829 | case INTEL_OUTPUT_DSI: |
7830 | is_dsi = true; | |
7831 | break; | |
6847d71b PZ |
7832 | default: |
7833 | break; | |
79e53945 | 7834 | } |
43565a06 | 7835 | |
c751ce4f | 7836 | num_connectors++; |
79e53945 JB |
7837 | } |
7838 | ||
f2335330 | 7839 | if (is_dsi) |
5b18e57c | 7840 | return 0; |
f2335330 | 7841 | |
190f68c5 | 7842 | if (!crtc_state->clock_set) { |
a93e255f | 7843 | refclk = i9xx_get_refclk(crtc_state, num_connectors); |
79e53945 | 7844 | |
e9fd1c02 JN |
7845 | /* |
7846 | * Returns a set of divisors for the desired target clock with | |
7847 | * the given refclk, or FALSE. The returned values represent | |
7848 | * the clock equation: reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + | |
7849 | * 2) / p1 / p2. | |
7850 | */ | |
a93e255f ACO |
7851 | limit = intel_limit(crtc_state, refclk); |
7852 | ok = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 7853 | crtc_state->port_clock, |
e9fd1c02 | 7854 | refclk, NULL, &clock); |
f2335330 | 7855 | if (!ok) { |
e9fd1c02 JN |
7856 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
7857 | return -EINVAL; | |
7858 | } | |
79e53945 | 7859 | |
f2335330 | 7860 | /* Compat-code for transition, will disappear. */ |
190f68c5 ACO |
7861 | crtc_state->dpll.n = clock.n; |
7862 | crtc_state->dpll.m1 = clock.m1; | |
7863 | crtc_state->dpll.m2 = clock.m2; | |
7864 | crtc_state->dpll.p1 = clock.p1; | |
7865 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 7866 | } |
7026d4ac | 7867 | |
e9fd1c02 | 7868 | if (IS_GEN2(dev)) { |
c329a4ec | 7869 | i8xx_compute_dpll(crtc, crtc_state, NULL, |
251ac862 | 7870 | num_connectors); |
9d556c99 | 7871 | } else if (IS_CHERRYVIEW(dev)) { |
251ac862 | 7872 | chv_compute_dpll(crtc, crtc_state); |
e9fd1c02 | 7873 | } else if (IS_VALLEYVIEW(dev)) { |
251ac862 | 7874 | vlv_compute_dpll(crtc, crtc_state); |
e9fd1c02 | 7875 | } else { |
c329a4ec | 7876 | i9xx_compute_dpll(crtc, crtc_state, NULL, |
251ac862 | 7877 | num_connectors); |
e9fd1c02 | 7878 | } |
79e53945 | 7879 | |
c8f7a0db | 7880 | return 0; |
f564048e EA |
7881 | } |
7882 | ||
2fa2fe9a | 7883 | static void i9xx_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 7884 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
7885 | { |
7886 | struct drm_device *dev = crtc->base.dev; | |
7887 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7888 | uint32_t tmp; | |
7889 | ||
dc9e7dec VS |
7890 | if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev))) |
7891 | return; | |
7892 | ||
2fa2fe9a | 7893 | tmp = I915_READ(PFIT_CONTROL); |
06922821 DV |
7894 | if (!(tmp & PFIT_ENABLE)) |
7895 | return; | |
2fa2fe9a | 7896 | |
06922821 | 7897 | /* Check whether the pfit is attached to our pipe. */ |
2fa2fe9a DV |
7898 | if (INTEL_INFO(dev)->gen < 4) { |
7899 | if (crtc->pipe != PIPE_B) | |
7900 | return; | |
2fa2fe9a DV |
7901 | } else { |
7902 | if ((tmp & PFIT_PIPE_MASK) != (crtc->pipe << PFIT_PIPE_SHIFT)) | |
7903 | return; | |
7904 | } | |
7905 | ||
06922821 | 7906 | pipe_config->gmch_pfit.control = tmp; |
2fa2fe9a DV |
7907 | pipe_config->gmch_pfit.pgm_ratios = I915_READ(PFIT_PGM_RATIOS); |
7908 | if (INTEL_INFO(dev)->gen < 5) | |
7909 | pipe_config->gmch_pfit.lvds_border_bits = | |
7910 | I915_READ(LVDS) & LVDS_BORDER_ENABLE; | |
7911 | } | |
7912 | ||
acbec814 | 7913 | static void vlv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 7914 | struct intel_crtc_state *pipe_config) |
acbec814 JB |
7915 | { |
7916 | struct drm_device *dev = crtc->base.dev; | |
7917 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7918 | int pipe = pipe_config->cpu_transcoder; | |
7919 | intel_clock_t clock; | |
7920 | u32 mdiv; | |
662c6ecb | 7921 | int refclk = 100000; |
acbec814 | 7922 | |
f573de5a SK |
7923 | /* In case of MIPI DPLL will not even be used */ |
7924 | if (!(pipe_config->dpll_hw_state.dpll & DPLL_VCO_ENABLE)) | |
7925 | return; | |
7926 | ||
a580516d | 7927 | mutex_lock(&dev_priv->sb_lock); |
ab3c759a | 7928 | mdiv = vlv_dpio_read(dev_priv, pipe, VLV_PLL_DW3(pipe)); |
a580516d | 7929 | mutex_unlock(&dev_priv->sb_lock); |
acbec814 JB |
7930 | |
7931 | clock.m1 = (mdiv >> DPIO_M1DIV_SHIFT) & 7; | |
7932 | clock.m2 = mdiv & DPIO_M2DIV_MASK; | |
7933 | clock.n = (mdiv >> DPIO_N_SHIFT) & 0xf; | |
7934 | clock.p1 = (mdiv >> DPIO_P1_SHIFT) & 7; | |
7935 | clock.p2 = (mdiv >> DPIO_P2_SHIFT) & 0x1f; | |
7936 | ||
dccbea3b | 7937 | pipe_config->port_clock = vlv_calc_dpll_params(refclk, &clock); |
acbec814 JB |
7938 | } |
7939 | ||
5724dbd1 DL |
7940 | static void |
7941 | i9xx_get_initial_plane_config(struct intel_crtc *crtc, | |
7942 | struct intel_initial_plane_config *plane_config) | |
1ad292b5 JB |
7943 | { |
7944 | struct drm_device *dev = crtc->base.dev; | |
7945 | struct drm_i915_private *dev_priv = dev->dev_private; | |
7946 | u32 val, base, offset; | |
7947 | int pipe = crtc->pipe, plane = crtc->plane; | |
7948 | int fourcc, pixel_format; | |
6761dd31 | 7949 | unsigned int aligned_height; |
b113d5ee | 7950 | struct drm_framebuffer *fb; |
1b842c89 | 7951 | struct intel_framebuffer *intel_fb; |
1ad292b5 | 7952 | |
42a7b088 DL |
7953 | val = I915_READ(DSPCNTR(plane)); |
7954 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
7955 | return; | |
7956 | ||
d9806c9f | 7957 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 7958 | if (!intel_fb) { |
1ad292b5 JB |
7959 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
7960 | return; | |
7961 | } | |
7962 | ||
1b842c89 DL |
7963 | fb = &intel_fb->base; |
7964 | ||
18c5247e DV |
7965 | if (INTEL_INFO(dev)->gen >= 4) { |
7966 | if (val & DISPPLANE_TILED) { | |
49af449b | 7967 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
7968 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
7969 | } | |
7970 | } | |
1ad292b5 JB |
7971 | |
7972 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 7973 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
7974 | fb->pixel_format = fourcc; |
7975 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
1ad292b5 JB |
7976 | |
7977 | if (INTEL_INFO(dev)->gen >= 4) { | |
49af449b | 7978 | if (plane_config->tiling) |
1ad292b5 JB |
7979 | offset = I915_READ(DSPTILEOFF(plane)); |
7980 | else | |
7981 | offset = I915_READ(DSPLINOFF(plane)); | |
7982 | base = I915_READ(DSPSURF(plane)) & 0xfffff000; | |
7983 | } else { | |
7984 | base = I915_READ(DSPADDR(plane)); | |
7985 | } | |
7986 | plane_config->base = base; | |
7987 | ||
7988 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
7989 | fb->width = ((val >> 16) & 0xfff) + 1; |
7990 | fb->height = ((val >> 0) & 0xfff) + 1; | |
1ad292b5 JB |
7991 | |
7992 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 7993 | fb->pitches[0] = val & 0xffffffc0; |
1ad292b5 | 7994 | |
b113d5ee | 7995 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
7996 | fb->pixel_format, |
7997 | fb->modifier[0]); | |
1ad292b5 | 7998 | |
f37b5c2b | 7999 | plane_config->size = fb->pitches[0] * aligned_height; |
1ad292b5 | 8000 | |
2844a921 DL |
8001 | DRM_DEBUG_KMS("pipe/plane %c/%d with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
8002 | pipe_name(pipe), plane, fb->width, fb->height, | |
8003 | fb->bits_per_pixel, base, fb->pitches[0], | |
8004 | plane_config->size); | |
1ad292b5 | 8005 | |
2d14030b | 8006 | plane_config->fb = intel_fb; |
1ad292b5 JB |
8007 | } |
8008 | ||
70b23a98 | 8009 | static void chv_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 8010 | struct intel_crtc_state *pipe_config) |
70b23a98 VS |
8011 | { |
8012 | struct drm_device *dev = crtc->base.dev; | |
8013 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8014 | int pipe = pipe_config->cpu_transcoder; | |
8015 | enum dpio_channel port = vlv_pipe_to_channel(pipe); | |
8016 | intel_clock_t clock; | |
0d7b6b11 | 8017 | u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2, pll_dw3; |
70b23a98 VS |
8018 | int refclk = 100000; |
8019 | ||
a580516d | 8020 | mutex_lock(&dev_priv->sb_lock); |
70b23a98 VS |
8021 | cmn_dw13 = vlv_dpio_read(dev_priv, pipe, CHV_CMN_DW13(port)); |
8022 | pll_dw0 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW0(port)); | |
8023 | pll_dw1 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW1(port)); | |
8024 | pll_dw2 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW2(port)); | |
0d7b6b11 | 8025 | pll_dw3 = vlv_dpio_read(dev_priv, pipe, CHV_PLL_DW3(port)); |
a580516d | 8026 | mutex_unlock(&dev_priv->sb_lock); |
70b23a98 VS |
8027 | |
8028 | clock.m1 = (pll_dw1 & 0x7) == DPIO_CHV_M1_DIV_BY_2 ? 2 : 0; | |
0d7b6b11 ID |
8029 | clock.m2 = (pll_dw0 & 0xff) << 22; |
8030 | if (pll_dw3 & DPIO_CHV_FRAC_DIV_EN) | |
8031 | clock.m2 |= pll_dw2 & 0x3fffff; | |
70b23a98 VS |
8032 | clock.n = (pll_dw1 >> DPIO_CHV_N_DIV_SHIFT) & 0xf; |
8033 | clock.p1 = (cmn_dw13 >> DPIO_CHV_P1_DIV_SHIFT) & 0x7; | |
8034 | clock.p2 = (cmn_dw13 >> DPIO_CHV_P2_DIV_SHIFT) & 0x1f; | |
8035 | ||
dccbea3b | 8036 | pipe_config->port_clock = chv_calc_dpll_params(refclk, &clock); |
70b23a98 VS |
8037 | } |
8038 | ||
0e8ffe1b | 8039 | static bool i9xx_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 8040 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
8041 | { |
8042 | struct drm_device *dev = crtc->base.dev; | |
8043 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8044 | uint32_t tmp; | |
8045 | ||
f458ebbc DV |
8046 | if (!intel_display_power_is_enabled(dev_priv, |
8047 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
b5482bd0 ID |
8048 | return false; |
8049 | ||
e143a21c | 8050 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 8051 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 8052 | |
0e8ffe1b DV |
8053 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
8054 | if (!(tmp & PIPECONF_ENABLE)) | |
8055 | return false; | |
8056 | ||
42571aef VS |
8057 | if (IS_G4X(dev) || IS_VALLEYVIEW(dev)) { |
8058 | switch (tmp & PIPECONF_BPC_MASK) { | |
8059 | case PIPECONF_6BPC: | |
8060 | pipe_config->pipe_bpp = 18; | |
8061 | break; | |
8062 | case PIPECONF_8BPC: | |
8063 | pipe_config->pipe_bpp = 24; | |
8064 | break; | |
8065 | case PIPECONF_10BPC: | |
8066 | pipe_config->pipe_bpp = 30; | |
8067 | break; | |
8068 | default: | |
8069 | break; | |
8070 | } | |
8071 | } | |
8072 | ||
b5a9fa09 DV |
8073 | if (IS_VALLEYVIEW(dev) && (tmp & PIPECONF_COLOR_RANGE_SELECT)) |
8074 | pipe_config->limited_color_range = true; | |
8075 | ||
282740f7 VS |
8076 | if (INTEL_INFO(dev)->gen < 4) |
8077 | pipe_config->double_wide = tmp & PIPECONF_DOUBLE_WIDE; | |
8078 | ||
1bd1bd80 DV |
8079 | intel_get_pipe_timings(crtc, pipe_config); |
8080 | ||
2fa2fe9a DV |
8081 | i9xx_get_pfit_config(crtc, pipe_config); |
8082 | ||
6c49f241 DV |
8083 | if (INTEL_INFO(dev)->gen >= 4) { |
8084 | tmp = I915_READ(DPLL_MD(crtc->pipe)); | |
8085 | pipe_config->pixel_multiplier = | |
8086 | ((tmp & DPLL_MD_UDI_MULTIPLIER_MASK) | |
8087 | >> DPLL_MD_UDI_MULTIPLIER_SHIFT) + 1; | |
8bcc2795 | 8088 | pipe_config->dpll_hw_state.dpll_md = tmp; |
6c49f241 DV |
8089 | } else if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev)) { |
8090 | tmp = I915_READ(DPLL(crtc->pipe)); | |
8091 | pipe_config->pixel_multiplier = | |
8092 | ((tmp & SDVO_MULTIPLIER_MASK) | |
8093 | >> SDVO_MULTIPLIER_SHIFT_HIRES) + 1; | |
8094 | } else { | |
8095 | /* Note that on i915G/GM the pixel multiplier is in the sdvo | |
8096 | * port and will be fixed up in the encoder->get_config | |
8097 | * function. */ | |
8098 | pipe_config->pixel_multiplier = 1; | |
8099 | } | |
8bcc2795 DV |
8100 | pipe_config->dpll_hw_state.dpll = I915_READ(DPLL(crtc->pipe)); |
8101 | if (!IS_VALLEYVIEW(dev)) { | |
1c4e0274 VS |
8102 | /* |
8103 | * DPLL_DVO_2X_MODE must be enabled for both DPLLs | |
8104 | * on 830. Filter it out here so that we don't | |
8105 | * report errors due to that. | |
8106 | */ | |
8107 | if (IS_I830(dev)) | |
8108 | pipe_config->dpll_hw_state.dpll &= ~DPLL_DVO_2X_MODE; | |
8109 | ||
8bcc2795 DV |
8110 | pipe_config->dpll_hw_state.fp0 = I915_READ(FP0(crtc->pipe)); |
8111 | pipe_config->dpll_hw_state.fp1 = I915_READ(FP1(crtc->pipe)); | |
165e901c VS |
8112 | } else { |
8113 | /* Mask out read-only status bits. */ | |
8114 | pipe_config->dpll_hw_state.dpll &= ~(DPLL_LOCK_VLV | | |
8115 | DPLL_PORTC_READY_MASK | | |
8116 | DPLL_PORTB_READY_MASK); | |
8bcc2795 | 8117 | } |
6c49f241 | 8118 | |
70b23a98 VS |
8119 | if (IS_CHERRYVIEW(dev)) |
8120 | chv_crtc_clock_get(crtc, pipe_config); | |
8121 | else if (IS_VALLEYVIEW(dev)) | |
acbec814 JB |
8122 | vlv_crtc_clock_get(crtc, pipe_config); |
8123 | else | |
8124 | i9xx_crtc_clock_get(crtc, pipe_config); | |
18442d08 | 8125 | |
0f64614d VS |
8126 | /* |
8127 | * Normally the dotclock is filled in by the encoder .get_config() | |
8128 | * but in case the pipe is enabled w/o any ports we need a sane | |
8129 | * default. | |
8130 | */ | |
8131 | pipe_config->base.adjusted_mode.crtc_clock = | |
8132 | pipe_config->port_clock / pipe_config->pixel_multiplier; | |
8133 | ||
0e8ffe1b DV |
8134 | return true; |
8135 | } | |
8136 | ||
dde86e2d | 8137 | static void ironlake_init_pch_refclk(struct drm_device *dev) |
13d83a67 JB |
8138 | { |
8139 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13d83a67 | 8140 | struct intel_encoder *encoder; |
74cfd7ac | 8141 | u32 val, final; |
13d83a67 | 8142 | bool has_lvds = false; |
199e5d79 | 8143 | bool has_cpu_edp = false; |
199e5d79 | 8144 | bool has_panel = false; |
99eb6a01 KP |
8145 | bool has_ck505 = false; |
8146 | bool can_ssc = false; | |
13d83a67 JB |
8147 | |
8148 | /* We need to take the global config into account */ | |
b2784e15 | 8149 | for_each_intel_encoder(dev, encoder) { |
199e5d79 KP |
8150 | switch (encoder->type) { |
8151 | case INTEL_OUTPUT_LVDS: | |
8152 | has_panel = true; | |
8153 | has_lvds = true; | |
8154 | break; | |
8155 | case INTEL_OUTPUT_EDP: | |
8156 | has_panel = true; | |
2de6905f | 8157 | if (enc_to_dig_port(&encoder->base)->port == PORT_A) |
199e5d79 KP |
8158 | has_cpu_edp = true; |
8159 | break; | |
6847d71b PZ |
8160 | default: |
8161 | break; | |
13d83a67 JB |
8162 | } |
8163 | } | |
8164 | ||
99eb6a01 | 8165 | if (HAS_PCH_IBX(dev)) { |
41aa3448 | 8166 | has_ck505 = dev_priv->vbt.display_clock_mode; |
99eb6a01 KP |
8167 | can_ssc = has_ck505; |
8168 | } else { | |
8169 | has_ck505 = false; | |
8170 | can_ssc = true; | |
8171 | } | |
8172 | ||
2de6905f ID |
8173 | DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n", |
8174 | has_panel, has_lvds, has_ck505); | |
13d83a67 JB |
8175 | |
8176 | /* Ironlake: try to setup display ref clock before DPLL | |
8177 | * enabling. This is only under driver's control after | |
8178 | * PCH B stepping, previous chipset stepping should be | |
8179 | * ignoring this setting. | |
8180 | */ | |
74cfd7ac CW |
8181 | val = I915_READ(PCH_DREF_CONTROL); |
8182 | ||
8183 | /* As we must carefully and slowly disable/enable each source in turn, | |
8184 | * compute the final state we want first and check if we need to | |
8185 | * make any changes at all. | |
8186 | */ | |
8187 | final = val; | |
8188 | final &= ~DREF_NONSPREAD_SOURCE_MASK; | |
8189 | if (has_ck505) | |
8190 | final |= DREF_NONSPREAD_CK505_ENABLE; | |
8191 | else | |
8192 | final |= DREF_NONSPREAD_SOURCE_ENABLE; | |
8193 | ||
8194 | final &= ~DREF_SSC_SOURCE_MASK; | |
8195 | final &= ~DREF_CPU_SOURCE_OUTPUT_MASK; | |
8196 | final &= ~DREF_SSC1_ENABLE; | |
8197 | ||
8198 | if (has_panel) { | |
8199 | final |= DREF_SSC_SOURCE_ENABLE; | |
8200 | ||
8201 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
8202 | final |= DREF_SSC1_ENABLE; | |
8203 | ||
8204 | if (has_cpu_edp) { | |
8205 | if (intel_panel_use_ssc(dev_priv) && can_ssc) | |
8206 | final |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; | |
8207 | else | |
8208 | final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; | |
8209 | } else | |
8210 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
8211 | } else { | |
8212 | final |= DREF_SSC_SOURCE_DISABLE; | |
8213 | final |= DREF_CPU_SOURCE_OUTPUT_DISABLE; | |
8214 | } | |
8215 | ||
8216 | if (final == val) | |
8217 | return; | |
8218 | ||
13d83a67 | 8219 | /* Always enable nonspread source */ |
74cfd7ac | 8220 | val &= ~DREF_NONSPREAD_SOURCE_MASK; |
13d83a67 | 8221 | |
99eb6a01 | 8222 | if (has_ck505) |
74cfd7ac | 8223 | val |= DREF_NONSPREAD_CK505_ENABLE; |
99eb6a01 | 8224 | else |
74cfd7ac | 8225 | val |= DREF_NONSPREAD_SOURCE_ENABLE; |
13d83a67 | 8226 | |
199e5d79 | 8227 | if (has_panel) { |
74cfd7ac CW |
8228 | val &= ~DREF_SSC_SOURCE_MASK; |
8229 | val |= DREF_SSC_SOURCE_ENABLE; | |
13d83a67 | 8230 | |
199e5d79 | 8231 | /* SSC must be turned on before enabling the CPU output */ |
99eb6a01 | 8232 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 8233 | DRM_DEBUG_KMS("Using SSC on panel\n"); |
74cfd7ac | 8234 | val |= DREF_SSC1_ENABLE; |
e77166b5 | 8235 | } else |
74cfd7ac | 8236 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 KP |
8237 | |
8238 | /* Get SSC going before enabling the outputs */ | |
74cfd7ac | 8239 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8240 | POSTING_READ(PCH_DREF_CONTROL); |
8241 | udelay(200); | |
8242 | ||
74cfd7ac | 8243 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
13d83a67 JB |
8244 | |
8245 | /* Enable CPU source on CPU attached eDP */ | |
199e5d79 | 8246 | if (has_cpu_edp) { |
99eb6a01 | 8247 | if (intel_panel_use_ssc(dev_priv) && can_ssc) { |
199e5d79 | 8248 | DRM_DEBUG_KMS("Using SSC on eDP\n"); |
74cfd7ac | 8249 | val |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD; |
eba905b2 | 8250 | } else |
74cfd7ac | 8251 | val |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD; |
199e5d79 | 8252 | } else |
74cfd7ac | 8253 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 8254 | |
74cfd7ac | 8255 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8256 | POSTING_READ(PCH_DREF_CONTROL); |
8257 | udelay(200); | |
8258 | } else { | |
8259 | DRM_DEBUG_KMS("Disabling SSC entirely\n"); | |
8260 | ||
74cfd7ac | 8261 | val &= ~DREF_CPU_SOURCE_OUTPUT_MASK; |
199e5d79 KP |
8262 | |
8263 | /* Turn off CPU output */ | |
74cfd7ac | 8264 | val |= DREF_CPU_SOURCE_OUTPUT_DISABLE; |
199e5d79 | 8265 | |
74cfd7ac | 8266 | I915_WRITE(PCH_DREF_CONTROL, val); |
199e5d79 KP |
8267 | POSTING_READ(PCH_DREF_CONTROL); |
8268 | udelay(200); | |
8269 | ||
8270 | /* Turn off the SSC source */ | |
74cfd7ac CW |
8271 | val &= ~DREF_SSC_SOURCE_MASK; |
8272 | val |= DREF_SSC_SOURCE_DISABLE; | |
199e5d79 KP |
8273 | |
8274 | /* Turn off SSC1 */ | |
74cfd7ac | 8275 | val &= ~DREF_SSC1_ENABLE; |
199e5d79 | 8276 | |
74cfd7ac | 8277 | I915_WRITE(PCH_DREF_CONTROL, val); |
13d83a67 JB |
8278 | POSTING_READ(PCH_DREF_CONTROL); |
8279 | udelay(200); | |
8280 | } | |
74cfd7ac CW |
8281 | |
8282 | BUG_ON(val != final); | |
13d83a67 JB |
8283 | } |
8284 | ||
f31f2d55 | 8285 | static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv) |
dde86e2d | 8286 | { |
f31f2d55 | 8287 | uint32_t tmp; |
dde86e2d | 8288 | |
0ff066a9 PZ |
8289 | tmp = I915_READ(SOUTH_CHICKEN2); |
8290 | tmp |= FDI_MPHY_IOSFSB_RESET_CTL; | |
8291 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 8292 | |
0ff066a9 PZ |
8293 | if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) & |
8294 | FDI_MPHY_IOSFSB_RESET_STATUS, 100)) | |
8295 | DRM_ERROR("FDI mPHY reset assert timeout\n"); | |
dde86e2d | 8296 | |
0ff066a9 PZ |
8297 | tmp = I915_READ(SOUTH_CHICKEN2); |
8298 | tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL; | |
8299 | I915_WRITE(SOUTH_CHICKEN2, tmp); | |
dde86e2d | 8300 | |
0ff066a9 PZ |
8301 | if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) & |
8302 | FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100)) | |
8303 | DRM_ERROR("FDI mPHY reset de-assert timeout\n"); | |
f31f2d55 PZ |
8304 | } |
8305 | ||
8306 | /* WaMPhyProgramming:hsw */ | |
8307 | static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv) | |
8308 | { | |
8309 | uint32_t tmp; | |
dde86e2d PZ |
8310 | |
8311 | tmp = intel_sbi_read(dev_priv, 0x8008, SBI_MPHY); | |
8312 | tmp &= ~(0xFF << 24); | |
8313 | tmp |= (0x12 << 24); | |
8314 | intel_sbi_write(dev_priv, 0x8008, tmp, SBI_MPHY); | |
8315 | ||
dde86e2d PZ |
8316 | tmp = intel_sbi_read(dev_priv, 0x2008, SBI_MPHY); |
8317 | tmp |= (1 << 11); | |
8318 | intel_sbi_write(dev_priv, 0x2008, tmp, SBI_MPHY); | |
8319 | ||
8320 | tmp = intel_sbi_read(dev_priv, 0x2108, SBI_MPHY); | |
8321 | tmp |= (1 << 11); | |
8322 | intel_sbi_write(dev_priv, 0x2108, tmp, SBI_MPHY); | |
8323 | ||
dde86e2d PZ |
8324 | tmp = intel_sbi_read(dev_priv, 0x206C, SBI_MPHY); |
8325 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
8326 | intel_sbi_write(dev_priv, 0x206C, tmp, SBI_MPHY); | |
8327 | ||
8328 | tmp = intel_sbi_read(dev_priv, 0x216C, SBI_MPHY); | |
8329 | tmp |= (1 << 24) | (1 << 21) | (1 << 18); | |
8330 | intel_sbi_write(dev_priv, 0x216C, tmp, SBI_MPHY); | |
8331 | ||
0ff066a9 PZ |
8332 | tmp = intel_sbi_read(dev_priv, 0x2080, SBI_MPHY); |
8333 | tmp &= ~(7 << 13); | |
8334 | tmp |= (5 << 13); | |
8335 | intel_sbi_write(dev_priv, 0x2080, tmp, SBI_MPHY); | |
dde86e2d | 8336 | |
0ff066a9 PZ |
8337 | tmp = intel_sbi_read(dev_priv, 0x2180, SBI_MPHY); |
8338 | tmp &= ~(7 << 13); | |
8339 | tmp |= (5 << 13); | |
8340 | intel_sbi_write(dev_priv, 0x2180, tmp, SBI_MPHY); | |
dde86e2d PZ |
8341 | |
8342 | tmp = intel_sbi_read(dev_priv, 0x208C, SBI_MPHY); | |
8343 | tmp &= ~0xFF; | |
8344 | tmp |= 0x1C; | |
8345 | intel_sbi_write(dev_priv, 0x208C, tmp, SBI_MPHY); | |
8346 | ||
8347 | tmp = intel_sbi_read(dev_priv, 0x218C, SBI_MPHY); | |
8348 | tmp &= ~0xFF; | |
8349 | tmp |= 0x1C; | |
8350 | intel_sbi_write(dev_priv, 0x218C, tmp, SBI_MPHY); | |
8351 | ||
8352 | tmp = intel_sbi_read(dev_priv, 0x2098, SBI_MPHY); | |
8353 | tmp &= ~(0xFF << 16); | |
8354 | tmp |= (0x1C << 16); | |
8355 | intel_sbi_write(dev_priv, 0x2098, tmp, SBI_MPHY); | |
8356 | ||
8357 | tmp = intel_sbi_read(dev_priv, 0x2198, SBI_MPHY); | |
8358 | tmp &= ~(0xFF << 16); | |
8359 | tmp |= (0x1C << 16); | |
8360 | intel_sbi_write(dev_priv, 0x2198, tmp, SBI_MPHY); | |
8361 | ||
0ff066a9 PZ |
8362 | tmp = intel_sbi_read(dev_priv, 0x20C4, SBI_MPHY); |
8363 | tmp |= (1 << 27); | |
8364 | intel_sbi_write(dev_priv, 0x20C4, tmp, SBI_MPHY); | |
dde86e2d | 8365 | |
0ff066a9 PZ |
8366 | tmp = intel_sbi_read(dev_priv, 0x21C4, SBI_MPHY); |
8367 | tmp |= (1 << 27); | |
8368 | intel_sbi_write(dev_priv, 0x21C4, tmp, SBI_MPHY); | |
dde86e2d | 8369 | |
0ff066a9 PZ |
8370 | tmp = intel_sbi_read(dev_priv, 0x20EC, SBI_MPHY); |
8371 | tmp &= ~(0xF << 28); | |
8372 | tmp |= (4 << 28); | |
8373 | intel_sbi_write(dev_priv, 0x20EC, tmp, SBI_MPHY); | |
dde86e2d | 8374 | |
0ff066a9 PZ |
8375 | tmp = intel_sbi_read(dev_priv, 0x21EC, SBI_MPHY); |
8376 | tmp &= ~(0xF << 28); | |
8377 | tmp |= (4 << 28); | |
8378 | intel_sbi_write(dev_priv, 0x21EC, tmp, SBI_MPHY); | |
f31f2d55 PZ |
8379 | } |
8380 | ||
2fa86a1f PZ |
8381 | /* Implements 3 different sequences from BSpec chapter "Display iCLK |
8382 | * Programming" based on the parameters passed: | |
8383 | * - Sequence to enable CLKOUT_DP | |
8384 | * - Sequence to enable CLKOUT_DP without spread | |
8385 | * - Sequence to enable CLKOUT_DP for FDI usage and configure PCH FDI I/O | |
8386 | */ | |
8387 | static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread, | |
8388 | bool with_fdi) | |
f31f2d55 PZ |
8389 | { |
8390 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa86a1f PZ |
8391 | uint32_t reg, tmp; |
8392 | ||
8393 | if (WARN(with_fdi && !with_spread, "FDI requires downspread\n")) | |
8394 | with_spread = true; | |
c2699524 | 8395 | if (WARN(HAS_PCH_LPT_LP(dev) && with_fdi, "LP PCH doesn't have FDI\n")) |
2fa86a1f | 8396 | with_fdi = false; |
f31f2d55 | 8397 | |
a580516d | 8398 | mutex_lock(&dev_priv->sb_lock); |
f31f2d55 PZ |
8399 | |
8400 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8401 | tmp &= ~SBI_SSCCTL_DISABLE; | |
8402 | tmp |= SBI_SSCCTL_PATHALT; | |
8403 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8404 | ||
8405 | udelay(24); | |
8406 | ||
2fa86a1f PZ |
8407 | if (with_spread) { |
8408 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8409 | tmp &= ~SBI_SSCCTL_PATHALT; | |
8410 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
f31f2d55 | 8411 | |
2fa86a1f PZ |
8412 | if (with_fdi) { |
8413 | lpt_reset_fdi_mphy(dev_priv); | |
8414 | lpt_program_fdi_mphy(dev_priv); | |
8415 | } | |
8416 | } | |
dde86e2d | 8417 | |
c2699524 | 8418 | reg = HAS_PCH_LPT_LP(dev) ? SBI_GEN0 : SBI_DBUFF0; |
2fa86a1f PZ |
8419 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
8420 | tmp |= SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
8421 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
c00db246 | 8422 | |
a580516d | 8423 | mutex_unlock(&dev_priv->sb_lock); |
dde86e2d PZ |
8424 | } |
8425 | ||
47701c3b PZ |
8426 | /* Sequence to disable CLKOUT_DP */ |
8427 | static void lpt_disable_clkout_dp(struct drm_device *dev) | |
8428 | { | |
8429 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8430 | uint32_t reg, tmp; | |
8431 | ||
a580516d | 8432 | mutex_lock(&dev_priv->sb_lock); |
47701c3b | 8433 | |
c2699524 | 8434 | reg = HAS_PCH_LPT_LP(dev) ? SBI_GEN0 : SBI_DBUFF0; |
47701c3b PZ |
8435 | tmp = intel_sbi_read(dev_priv, reg, SBI_ICLK); |
8436 | tmp &= ~SBI_GEN0_CFG_BUFFENABLE_DISABLE; | |
8437 | intel_sbi_write(dev_priv, reg, tmp, SBI_ICLK); | |
8438 | ||
8439 | tmp = intel_sbi_read(dev_priv, SBI_SSCCTL, SBI_ICLK); | |
8440 | if (!(tmp & SBI_SSCCTL_DISABLE)) { | |
8441 | if (!(tmp & SBI_SSCCTL_PATHALT)) { | |
8442 | tmp |= SBI_SSCCTL_PATHALT; | |
8443 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8444 | udelay(32); | |
8445 | } | |
8446 | tmp |= SBI_SSCCTL_DISABLE; | |
8447 | intel_sbi_write(dev_priv, SBI_SSCCTL, tmp, SBI_ICLK); | |
8448 | } | |
8449 | ||
a580516d | 8450 | mutex_unlock(&dev_priv->sb_lock); |
47701c3b PZ |
8451 | } |
8452 | ||
bf8fa3d3 PZ |
8453 | static void lpt_init_pch_refclk(struct drm_device *dev) |
8454 | { | |
bf8fa3d3 PZ |
8455 | struct intel_encoder *encoder; |
8456 | bool has_vga = false; | |
8457 | ||
b2784e15 | 8458 | for_each_intel_encoder(dev, encoder) { |
bf8fa3d3 PZ |
8459 | switch (encoder->type) { |
8460 | case INTEL_OUTPUT_ANALOG: | |
8461 | has_vga = true; | |
8462 | break; | |
6847d71b PZ |
8463 | default: |
8464 | break; | |
bf8fa3d3 PZ |
8465 | } |
8466 | } | |
8467 | ||
47701c3b PZ |
8468 | if (has_vga) |
8469 | lpt_enable_clkout_dp(dev, true, true); | |
8470 | else | |
8471 | lpt_disable_clkout_dp(dev); | |
bf8fa3d3 PZ |
8472 | } |
8473 | ||
dde86e2d PZ |
8474 | /* |
8475 | * Initialize reference clocks when the driver loads | |
8476 | */ | |
8477 | void intel_init_pch_refclk(struct drm_device *dev) | |
8478 | { | |
8479 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
8480 | ironlake_init_pch_refclk(dev); | |
8481 | else if (HAS_PCH_LPT(dev)) | |
8482 | lpt_init_pch_refclk(dev); | |
8483 | } | |
8484 | ||
55bb9992 | 8485 | static int ironlake_get_refclk(struct intel_crtc_state *crtc_state) |
d9d444cb | 8486 | { |
55bb9992 | 8487 | struct drm_device *dev = crtc_state->base.crtc->dev; |
d9d444cb | 8488 | struct drm_i915_private *dev_priv = dev->dev_private; |
55bb9992 | 8489 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 8490 | struct drm_connector *connector; |
55bb9992 | 8491 | struct drm_connector_state *connector_state; |
d9d444cb | 8492 | struct intel_encoder *encoder; |
55bb9992 | 8493 | int num_connectors = 0, i; |
d9d444cb JB |
8494 | bool is_lvds = false; |
8495 | ||
da3ced29 | 8496 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
8497 | if (connector_state->crtc != crtc_state->base.crtc) |
8498 | continue; | |
8499 | ||
8500 | encoder = to_intel_encoder(connector_state->best_encoder); | |
8501 | ||
d9d444cb JB |
8502 | switch (encoder->type) { |
8503 | case INTEL_OUTPUT_LVDS: | |
8504 | is_lvds = true; | |
8505 | break; | |
6847d71b PZ |
8506 | default: |
8507 | break; | |
d9d444cb JB |
8508 | } |
8509 | num_connectors++; | |
8510 | } | |
8511 | ||
8512 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) { | |
e91e941b | 8513 | DRM_DEBUG_KMS("using SSC reference clock of %d kHz\n", |
41aa3448 | 8514 | dev_priv->vbt.lvds_ssc_freq); |
e91e941b | 8515 | return dev_priv->vbt.lvds_ssc_freq; |
d9d444cb JB |
8516 | } |
8517 | ||
8518 | return 120000; | |
8519 | } | |
8520 | ||
6ff93609 | 8521 | static void ironlake_set_pipeconf(struct drm_crtc *crtc) |
79e53945 | 8522 | { |
c8203565 | 8523 | struct drm_i915_private *dev_priv = crtc->dev->dev_private; |
79e53945 JB |
8524 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8525 | int pipe = intel_crtc->pipe; | |
c8203565 PZ |
8526 | uint32_t val; |
8527 | ||
78114071 | 8528 | val = 0; |
c8203565 | 8529 | |
6e3c9717 | 8530 | switch (intel_crtc->config->pipe_bpp) { |
c8203565 | 8531 | case 18: |
dfd07d72 | 8532 | val |= PIPECONF_6BPC; |
c8203565 PZ |
8533 | break; |
8534 | case 24: | |
dfd07d72 | 8535 | val |= PIPECONF_8BPC; |
c8203565 PZ |
8536 | break; |
8537 | case 30: | |
dfd07d72 | 8538 | val |= PIPECONF_10BPC; |
c8203565 PZ |
8539 | break; |
8540 | case 36: | |
dfd07d72 | 8541 | val |= PIPECONF_12BPC; |
c8203565 PZ |
8542 | break; |
8543 | default: | |
cc769b62 PZ |
8544 | /* Case prevented by intel_choose_pipe_bpp_dither. */ |
8545 | BUG(); | |
c8203565 PZ |
8546 | } |
8547 | ||
6e3c9717 | 8548 | if (intel_crtc->config->dither) |
c8203565 PZ |
8549 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
8550 | ||
6e3c9717 | 8551 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
c8203565 PZ |
8552 | val |= PIPECONF_INTERLACED_ILK; |
8553 | else | |
8554 | val |= PIPECONF_PROGRESSIVE; | |
8555 | ||
6e3c9717 | 8556 | if (intel_crtc->config->limited_color_range) |
3685a8f3 | 8557 | val |= PIPECONF_COLOR_RANGE_SELECT; |
3685a8f3 | 8558 | |
c8203565 PZ |
8559 | I915_WRITE(PIPECONF(pipe), val); |
8560 | POSTING_READ(PIPECONF(pipe)); | |
8561 | } | |
8562 | ||
86d3efce VS |
8563 | /* |
8564 | * Set up the pipe CSC unit. | |
8565 | * | |
8566 | * Currently only full range RGB to limited range RGB conversion | |
8567 | * is supported, but eventually this should handle various | |
8568 | * RGB<->YCbCr scenarios as well. | |
8569 | */ | |
50f3b016 | 8570 | static void intel_set_pipe_csc(struct drm_crtc *crtc) |
86d3efce VS |
8571 | { |
8572 | struct drm_device *dev = crtc->dev; | |
8573 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8574 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
8575 | int pipe = intel_crtc->pipe; | |
8576 | uint16_t coeff = 0x7800; /* 1.0 */ | |
8577 | ||
8578 | /* | |
8579 | * TODO: Check what kind of values actually come out of the pipe | |
8580 | * with these coeff/postoff values and adjust to get the best | |
8581 | * accuracy. Perhaps we even need to take the bpc value into | |
8582 | * consideration. | |
8583 | */ | |
8584 | ||
6e3c9717 | 8585 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
8586 | coeff = ((235 - 16) * (1 << 12) / 255) & 0xff8; /* 0.xxx... */ |
8587 | ||
8588 | /* | |
8589 | * GY/GU and RY/RU should be the other way around according | |
8590 | * to BSpec, but reality doesn't agree. Just set them up in | |
8591 | * a way that results in the correct picture. | |
8592 | */ | |
8593 | I915_WRITE(PIPE_CSC_COEFF_RY_GY(pipe), coeff << 16); | |
8594 | I915_WRITE(PIPE_CSC_COEFF_BY(pipe), 0); | |
8595 | ||
8596 | I915_WRITE(PIPE_CSC_COEFF_RU_GU(pipe), coeff); | |
8597 | I915_WRITE(PIPE_CSC_COEFF_BU(pipe), 0); | |
8598 | ||
8599 | I915_WRITE(PIPE_CSC_COEFF_RV_GV(pipe), 0); | |
8600 | I915_WRITE(PIPE_CSC_COEFF_BV(pipe), coeff << 16); | |
8601 | ||
8602 | I915_WRITE(PIPE_CSC_PREOFF_HI(pipe), 0); | |
8603 | I915_WRITE(PIPE_CSC_PREOFF_ME(pipe), 0); | |
8604 | I915_WRITE(PIPE_CSC_PREOFF_LO(pipe), 0); | |
8605 | ||
8606 | if (INTEL_INFO(dev)->gen > 6) { | |
8607 | uint16_t postoff = 0; | |
8608 | ||
6e3c9717 | 8609 | if (intel_crtc->config->limited_color_range) |
32cf0cb0 | 8610 | postoff = (16 * (1 << 12) / 255) & 0x1fff; |
86d3efce VS |
8611 | |
8612 | I915_WRITE(PIPE_CSC_POSTOFF_HI(pipe), postoff); | |
8613 | I915_WRITE(PIPE_CSC_POSTOFF_ME(pipe), postoff); | |
8614 | I915_WRITE(PIPE_CSC_POSTOFF_LO(pipe), postoff); | |
8615 | ||
8616 | I915_WRITE(PIPE_CSC_MODE(pipe), 0); | |
8617 | } else { | |
8618 | uint32_t mode = CSC_MODE_YUV_TO_RGB; | |
8619 | ||
6e3c9717 | 8620 | if (intel_crtc->config->limited_color_range) |
86d3efce VS |
8621 | mode |= CSC_BLACK_SCREEN_OFFSET; |
8622 | ||
8623 | I915_WRITE(PIPE_CSC_MODE(pipe), mode); | |
8624 | } | |
8625 | } | |
8626 | ||
6ff93609 | 8627 | static void haswell_set_pipeconf(struct drm_crtc *crtc) |
ee2b0b38 | 8628 | { |
756f85cf PZ |
8629 | struct drm_device *dev = crtc->dev; |
8630 | struct drm_i915_private *dev_priv = dev->dev_private; | |
ee2b0b38 | 8631 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
756f85cf | 8632 | enum pipe pipe = intel_crtc->pipe; |
6e3c9717 | 8633 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
ee2b0b38 PZ |
8634 | uint32_t val; |
8635 | ||
3eff4faa | 8636 | val = 0; |
ee2b0b38 | 8637 | |
6e3c9717 | 8638 | if (IS_HASWELL(dev) && intel_crtc->config->dither) |
ee2b0b38 PZ |
8639 | val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP); |
8640 | ||
6e3c9717 | 8641 | if (intel_crtc->config->base.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE) |
ee2b0b38 PZ |
8642 | val |= PIPECONF_INTERLACED_ILK; |
8643 | else | |
8644 | val |= PIPECONF_PROGRESSIVE; | |
8645 | ||
702e7a56 PZ |
8646 | I915_WRITE(PIPECONF(cpu_transcoder), val); |
8647 | POSTING_READ(PIPECONF(cpu_transcoder)); | |
3eff4faa DV |
8648 | |
8649 | I915_WRITE(GAMMA_MODE(intel_crtc->pipe), GAMMA_MODE_MODE_8BIT); | |
8650 | POSTING_READ(GAMMA_MODE(intel_crtc->pipe)); | |
756f85cf | 8651 | |
3cdf122c | 8652 | if (IS_BROADWELL(dev) || INTEL_INFO(dev)->gen >= 9) { |
756f85cf PZ |
8653 | val = 0; |
8654 | ||
6e3c9717 | 8655 | switch (intel_crtc->config->pipe_bpp) { |
756f85cf PZ |
8656 | case 18: |
8657 | val |= PIPEMISC_DITHER_6_BPC; | |
8658 | break; | |
8659 | case 24: | |
8660 | val |= PIPEMISC_DITHER_8_BPC; | |
8661 | break; | |
8662 | case 30: | |
8663 | val |= PIPEMISC_DITHER_10_BPC; | |
8664 | break; | |
8665 | case 36: | |
8666 | val |= PIPEMISC_DITHER_12_BPC; | |
8667 | break; | |
8668 | default: | |
8669 | /* Case prevented by pipe_config_set_bpp. */ | |
8670 | BUG(); | |
8671 | } | |
8672 | ||
6e3c9717 | 8673 | if (intel_crtc->config->dither) |
756f85cf PZ |
8674 | val |= PIPEMISC_DITHER_ENABLE | PIPEMISC_DITHER_TYPE_SP; |
8675 | ||
8676 | I915_WRITE(PIPEMISC(pipe), val); | |
8677 | } | |
ee2b0b38 PZ |
8678 | } |
8679 | ||
6591c6e4 | 8680 | static bool ironlake_compute_clocks(struct drm_crtc *crtc, |
190f68c5 | 8681 | struct intel_crtc_state *crtc_state, |
6591c6e4 PZ |
8682 | intel_clock_t *clock, |
8683 | bool *has_reduced_clock, | |
8684 | intel_clock_t *reduced_clock) | |
8685 | { | |
8686 | struct drm_device *dev = crtc->dev; | |
8687 | struct drm_i915_private *dev_priv = dev->dev_private; | |
6591c6e4 | 8688 | int refclk; |
d4906093 | 8689 | const intel_limit_t *limit; |
c329a4ec | 8690 | bool ret; |
79e53945 | 8691 | |
55bb9992 | 8692 | refclk = ironlake_get_refclk(crtc_state); |
79e53945 | 8693 | |
d4906093 ML |
8694 | /* |
8695 | * Returns a set of divisors for the desired target clock with the given | |
8696 | * refclk, or FALSE. The returned values represent the clock equation: | |
8697 | * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2. | |
8698 | */ | |
a93e255f ACO |
8699 | limit = intel_limit(crtc_state, refclk); |
8700 | ret = dev_priv->display.find_dpll(limit, crtc_state, | |
190f68c5 | 8701 | crtc_state->port_clock, |
ee9300bb | 8702 | refclk, NULL, clock); |
6591c6e4 PZ |
8703 | if (!ret) |
8704 | return false; | |
cda4b7d3 | 8705 | |
6591c6e4 PZ |
8706 | return true; |
8707 | } | |
8708 | ||
d4b1931c PZ |
8709 | int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp) |
8710 | { | |
8711 | /* | |
8712 | * Account for spread spectrum to avoid | |
8713 | * oversubscribing the link. Max center spread | |
8714 | * is 2.5%; use 5% for safety's sake. | |
8715 | */ | |
8716 | u32 bps = target_clock * bpp * 21 / 20; | |
619d4d04 | 8717 | return DIV_ROUND_UP(bps, link_bw * 8); |
d4b1931c PZ |
8718 | } |
8719 | ||
7429e9d4 | 8720 | static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor) |
6cf86a5e | 8721 | { |
7429e9d4 | 8722 | return i9xx_dpll_compute_m(dpll) < factor * dpll->n; |
f48d8f23 PZ |
8723 | } |
8724 | ||
de13a2e3 | 8725 | static uint32_t ironlake_compute_dpll(struct intel_crtc *intel_crtc, |
190f68c5 | 8726 | struct intel_crtc_state *crtc_state, |
7429e9d4 | 8727 | u32 *fp, |
9a7c7890 | 8728 | intel_clock_t *reduced_clock, u32 *fp2) |
79e53945 | 8729 | { |
de13a2e3 | 8730 | struct drm_crtc *crtc = &intel_crtc->base; |
79e53945 JB |
8731 | struct drm_device *dev = crtc->dev; |
8732 | struct drm_i915_private *dev_priv = dev->dev_private; | |
55bb9992 | 8733 | struct drm_atomic_state *state = crtc_state->base.state; |
da3ced29 | 8734 | struct drm_connector *connector; |
55bb9992 ACO |
8735 | struct drm_connector_state *connector_state; |
8736 | struct intel_encoder *encoder; | |
de13a2e3 | 8737 | uint32_t dpll; |
55bb9992 | 8738 | int factor, num_connectors = 0, i; |
09ede541 | 8739 | bool is_lvds = false, is_sdvo = false; |
79e53945 | 8740 | |
da3ced29 | 8741 | for_each_connector_in_state(state, connector, connector_state, i) { |
55bb9992 ACO |
8742 | if (connector_state->crtc != crtc_state->base.crtc) |
8743 | continue; | |
8744 | ||
8745 | encoder = to_intel_encoder(connector_state->best_encoder); | |
8746 | ||
8747 | switch (encoder->type) { | |
79e53945 JB |
8748 | case INTEL_OUTPUT_LVDS: |
8749 | is_lvds = true; | |
8750 | break; | |
8751 | case INTEL_OUTPUT_SDVO: | |
7d57382e | 8752 | case INTEL_OUTPUT_HDMI: |
79e53945 | 8753 | is_sdvo = true; |
79e53945 | 8754 | break; |
6847d71b PZ |
8755 | default: |
8756 | break; | |
79e53945 | 8757 | } |
43565a06 | 8758 | |
c751ce4f | 8759 | num_connectors++; |
79e53945 | 8760 | } |
79e53945 | 8761 | |
c1858123 | 8762 | /* Enable autotuning of the PLL clock (if permissible) */ |
8febb297 EA |
8763 | factor = 21; |
8764 | if (is_lvds) { | |
8765 | if ((intel_panel_use_ssc(dev_priv) && | |
e91e941b | 8766 | dev_priv->vbt.lvds_ssc_freq == 100000) || |
f0b44056 | 8767 | (HAS_PCH_IBX(dev) && intel_is_dual_link_lvds(dev))) |
8febb297 | 8768 | factor = 25; |
190f68c5 | 8769 | } else if (crtc_state->sdvo_tv_clock) |
8febb297 | 8770 | factor = 20; |
c1858123 | 8771 | |
190f68c5 | 8772 | if (ironlake_needs_fb_cb_tune(&crtc_state->dpll, factor)) |
7d0ac5b7 | 8773 | *fp |= FP_CB_TUNE; |
2c07245f | 8774 | |
9a7c7890 DV |
8775 | if (fp2 && (reduced_clock->m < factor * reduced_clock->n)) |
8776 | *fp2 |= FP_CB_TUNE; | |
8777 | ||
5eddb70b | 8778 | dpll = 0; |
2c07245f | 8779 | |
a07d6787 EA |
8780 | if (is_lvds) |
8781 | dpll |= DPLLB_MODE_LVDS; | |
8782 | else | |
8783 | dpll |= DPLLB_MODE_DAC_SERIAL; | |
198a037f | 8784 | |
190f68c5 | 8785 | dpll |= (crtc_state->pixel_multiplier - 1) |
ef1b460d | 8786 | << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT; |
198a037f DV |
8787 | |
8788 | if (is_sdvo) | |
4a33e48d | 8789 | dpll |= DPLL_SDVO_HIGH_SPEED; |
190f68c5 | 8790 | if (crtc_state->has_dp_encoder) |
4a33e48d | 8791 | dpll |= DPLL_SDVO_HIGH_SPEED; |
79e53945 | 8792 | |
a07d6787 | 8793 | /* compute bitmask from p1 value */ |
190f68c5 | 8794 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT; |
a07d6787 | 8795 | /* also FPA1 */ |
190f68c5 | 8796 | dpll |= (1 << (crtc_state->dpll.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT; |
a07d6787 | 8797 | |
190f68c5 | 8798 | switch (crtc_state->dpll.p2) { |
a07d6787 EA |
8799 | case 5: |
8800 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5; | |
8801 | break; | |
8802 | case 7: | |
8803 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7; | |
8804 | break; | |
8805 | case 10: | |
8806 | dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10; | |
8807 | break; | |
8808 | case 14: | |
8809 | dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14; | |
8810 | break; | |
79e53945 JB |
8811 | } |
8812 | ||
b4c09f3b | 8813 | if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) |
43565a06 | 8814 | dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN; |
79e53945 JB |
8815 | else |
8816 | dpll |= PLL_REF_INPUT_DREFCLK; | |
8817 | ||
959e16d6 | 8818 | return dpll | DPLL_VCO_ENABLE; |
de13a2e3 PZ |
8819 | } |
8820 | ||
190f68c5 ACO |
8821 | static int ironlake_crtc_compute_clock(struct intel_crtc *crtc, |
8822 | struct intel_crtc_state *crtc_state) | |
de13a2e3 | 8823 | { |
c7653199 | 8824 | struct drm_device *dev = crtc->base.dev; |
de13a2e3 | 8825 | intel_clock_t clock, reduced_clock; |
cbbab5bd | 8826 | u32 dpll = 0, fp = 0, fp2 = 0; |
e2f12b07 | 8827 | bool ok, has_reduced_clock = false; |
8b47047b | 8828 | bool is_lvds = false; |
e2b78267 | 8829 | struct intel_shared_dpll *pll; |
de13a2e3 | 8830 | |
dd3cd74a ACO |
8831 | memset(&crtc_state->dpll_hw_state, 0, |
8832 | sizeof(crtc_state->dpll_hw_state)); | |
8833 | ||
409ee761 | 8834 | is_lvds = intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS); |
79e53945 | 8835 | |
5dc5298b PZ |
8836 | WARN(!(HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)), |
8837 | "Unexpected PCH type %d\n", INTEL_PCH_TYPE(dev)); | |
a07d6787 | 8838 | |
190f68c5 | 8839 | ok = ironlake_compute_clocks(&crtc->base, crtc_state, &clock, |
de13a2e3 | 8840 | &has_reduced_clock, &reduced_clock); |
190f68c5 | 8841 | if (!ok && !crtc_state->clock_set) { |
de13a2e3 PZ |
8842 | DRM_ERROR("Couldn't find PLL settings for mode!\n"); |
8843 | return -EINVAL; | |
79e53945 | 8844 | } |
f47709a9 | 8845 | /* Compat-code for transition, will disappear. */ |
190f68c5 ACO |
8846 | if (!crtc_state->clock_set) { |
8847 | crtc_state->dpll.n = clock.n; | |
8848 | crtc_state->dpll.m1 = clock.m1; | |
8849 | crtc_state->dpll.m2 = clock.m2; | |
8850 | crtc_state->dpll.p1 = clock.p1; | |
8851 | crtc_state->dpll.p2 = clock.p2; | |
f47709a9 | 8852 | } |
79e53945 | 8853 | |
5dc5298b | 8854 | /* CPU eDP is the only output that doesn't need a PCH PLL of its own. */ |
190f68c5 ACO |
8855 | if (crtc_state->has_pch_encoder) { |
8856 | fp = i9xx_dpll_compute_fp(&crtc_state->dpll); | |
cbbab5bd | 8857 | if (has_reduced_clock) |
7429e9d4 | 8858 | fp2 = i9xx_dpll_compute_fp(&reduced_clock); |
cbbab5bd | 8859 | |
190f68c5 | 8860 | dpll = ironlake_compute_dpll(crtc, crtc_state, |
cbbab5bd DV |
8861 | &fp, &reduced_clock, |
8862 | has_reduced_clock ? &fp2 : NULL); | |
8863 | ||
190f68c5 ACO |
8864 | crtc_state->dpll_hw_state.dpll = dpll; |
8865 | crtc_state->dpll_hw_state.fp0 = fp; | |
66e985c0 | 8866 | if (has_reduced_clock) |
190f68c5 | 8867 | crtc_state->dpll_hw_state.fp1 = fp2; |
66e985c0 | 8868 | else |
190f68c5 | 8869 | crtc_state->dpll_hw_state.fp1 = fp; |
66e985c0 | 8870 | |
190f68c5 | 8871 | pll = intel_get_shared_dpll(crtc, crtc_state); |
ee7b9f93 | 8872 | if (pll == NULL) { |
84f44ce7 | 8873 | DRM_DEBUG_DRIVER("failed to find PLL for pipe %c\n", |
c7653199 | 8874 | pipe_name(crtc->pipe)); |
4b645f14 JB |
8875 | return -EINVAL; |
8876 | } | |
3fb37703 | 8877 | } |
79e53945 | 8878 | |
ab585dea | 8879 | if (is_lvds && has_reduced_clock) |
c7653199 | 8880 | crtc->lowfreq_avail = true; |
bcd644e0 | 8881 | else |
c7653199 | 8882 | crtc->lowfreq_avail = false; |
e2b78267 | 8883 | |
c8f7a0db | 8884 | return 0; |
79e53945 JB |
8885 | } |
8886 | ||
eb14cb74 VS |
8887 | static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc, |
8888 | struct intel_link_m_n *m_n) | |
8889 | { | |
8890 | struct drm_device *dev = crtc->base.dev; | |
8891 | struct drm_i915_private *dev_priv = dev->dev_private; | |
8892 | enum pipe pipe = crtc->pipe; | |
8893 | ||
8894 | m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe)); | |
8895 | m_n->link_n = I915_READ(PCH_TRANS_LINK_N1(pipe)); | |
8896 | m_n->gmch_m = I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
8897 | & ~TU_SIZE_MASK; | |
8898 | m_n->gmch_n = I915_READ(PCH_TRANS_DATA_N1(pipe)); | |
8899 | m_n->tu = ((I915_READ(PCH_TRANS_DATA_M1(pipe)) | |
8900 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8901 | } | |
8902 | ||
8903 | static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc, | |
8904 | enum transcoder transcoder, | |
b95af8be VK |
8905 | struct intel_link_m_n *m_n, |
8906 | struct intel_link_m_n *m2_n2) | |
72419203 DV |
8907 | { |
8908 | struct drm_device *dev = crtc->base.dev; | |
8909 | struct drm_i915_private *dev_priv = dev->dev_private; | |
eb14cb74 | 8910 | enum pipe pipe = crtc->pipe; |
72419203 | 8911 | |
eb14cb74 VS |
8912 | if (INTEL_INFO(dev)->gen >= 5) { |
8913 | m_n->link_m = I915_READ(PIPE_LINK_M1(transcoder)); | |
8914 | m_n->link_n = I915_READ(PIPE_LINK_N1(transcoder)); | |
8915 | m_n->gmch_m = I915_READ(PIPE_DATA_M1(transcoder)) | |
8916 | & ~TU_SIZE_MASK; | |
8917 | m_n->gmch_n = I915_READ(PIPE_DATA_N1(transcoder)); | |
8918 | m_n->tu = ((I915_READ(PIPE_DATA_M1(transcoder)) | |
8919 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
b95af8be VK |
8920 | /* Read M2_N2 registers only for gen < 8 (M2_N2 available for |
8921 | * gen < 8) and if DRRS is supported (to make sure the | |
8922 | * registers are not unnecessarily read). | |
8923 | */ | |
8924 | if (m2_n2 && INTEL_INFO(dev)->gen < 8 && | |
6e3c9717 | 8925 | crtc->config->has_drrs) { |
b95af8be VK |
8926 | m2_n2->link_m = I915_READ(PIPE_LINK_M2(transcoder)); |
8927 | m2_n2->link_n = I915_READ(PIPE_LINK_N2(transcoder)); | |
8928 | m2_n2->gmch_m = I915_READ(PIPE_DATA_M2(transcoder)) | |
8929 | & ~TU_SIZE_MASK; | |
8930 | m2_n2->gmch_n = I915_READ(PIPE_DATA_N2(transcoder)); | |
8931 | m2_n2->tu = ((I915_READ(PIPE_DATA_M2(transcoder)) | |
8932 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8933 | } | |
eb14cb74 VS |
8934 | } else { |
8935 | m_n->link_m = I915_READ(PIPE_LINK_M_G4X(pipe)); | |
8936 | m_n->link_n = I915_READ(PIPE_LINK_N_G4X(pipe)); | |
8937 | m_n->gmch_m = I915_READ(PIPE_DATA_M_G4X(pipe)) | |
8938 | & ~TU_SIZE_MASK; | |
8939 | m_n->gmch_n = I915_READ(PIPE_DATA_N_G4X(pipe)); | |
8940 | m_n->tu = ((I915_READ(PIPE_DATA_M_G4X(pipe)) | |
8941 | & TU_SIZE_MASK) >> TU_SIZE_SHIFT) + 1; | |
8942 | } | |
8943 | } | |
8944 | ||
8945 | void intel_dp_get_m_n(struct intel_crtc *crtc, | |
5cec258b | 8946 | struct intel_crtc_state *pipe_config) |
eb14cb74 | 8947 | { |
681a8504 | 8948 | if (pipe_config->has_pch_encoder) |
eb14cb74 VS |
8949 | intel_pch_transcoder_get_m_n(crtc, &pipe_config->dp_m_n); |
8950 | else | |
8951 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be VK |
8952 | &pipe_config->dp_m_n, |
8953 | &pipe_config->dp_m2_n2); | |
eb14cb74 | 8954 | } |
72419203 | 8955 | |
eb14cb74 | 8956 | static void ironlake_get_fdi_m_n_config(struct intel_crtc *crtc, |
5cec258b | 8957 | struct intel_crtc_state *pipe_config) |
eb14cb74 VS |
8958 | { |
8959 | intel_cpu_transcoder_get_m_n(crtc, pipe_config->cpu_transcoder, | |
b95af8be | 8960 | &pipe_config->fdi_m_n, NULL); |
72419203 DV |
8961 | } |
8962 | ||
bd2e244f | 8963 | static void skylake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 8964 | struct intel_crtc_state *pipe_config) |
bd2e244f JB |
8965 | { |
8966 | struct drm_device *dev = crtc->base.dev; | |
8967 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a1b2278e CK |
8968 | struct intel_crtc_scaler_state *scaler_state = &pipe_config->scaler_state; |
8969 | uint32_t ps_ctrl = 0; | |
8970 | int id = -1; | |
8971 | int i; | |
bd2e244f | 8972 | |
a1b2278e CK |
8973 | /* find scaler attached to this pipe */ |
8974 | for (i = 0; i < crtc->num_scalers; i++) { | |
8975 | ps_ctrl = I915_READ(SKL_PS_CTRL(crtc->pipe, i)); | |
8976 | if (ps_ctrl & PS_SCALER_EN && !(ps_ctrl & PS_PLANE_SEL_MASK)) { | |
8977 | id = i; | |
8978 | pipe_config->pch_pfit.enabled = true; | |
8979 | pipe_config->pch_pfit.pos = I915_READ(SKL_PS_WIN_POS(crtc->pipe, i)); | |
8980 | pipe_config->pch_pfit.size = I915_READ(SKL_PS_WIN_SZ(crtc->pipe, i)); | |
8981 | break; | |
8982 | } | |
8983 | } | |
bd2e244f | 8984 | |
a1b2278e CK |
8985 | scaler_state->scaler_id = id; |
8986 | if (id >= 0) { | |
8987 | scaler_state->scaler_users |= (1 << SKL_CRTC_INDEX); | |
8988 | } else { | |
8989 | scaler_state->scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
bd2e244f JB |
8990 | } |
8991 | } | |
8992 | ||
5724dbd1 DL |
8993 | static void |
8994 | skylake_get_initial_plane_config(struct intel_crtc *crtc, | |
8995 | struct intel_initial_plane_config *plane_config) | |
bc8d7dff DL |
8996 | { |
8997 | struct drm_device *dev = crtc->base.dev; | |
8998 | struct drm_i915_private *dev_priv = dev->dev_private; | |
40f46283 | 8999 | u32 val, base, offset, stride_mult, tiling; |
bc8d7dff DL |
9000 | int pipe = crtc->pipe; |
9001 | int fourcc, pixel_format; | |
6761dd31 | 9002 | unsigned int aligned_height; |
bc8d7dff | 9003 | struct drm_framebuffer *fb; |
1b842c89 | 9004 | struct intel_framebuffer *intel_fb; |
bc8d7dff | 9005 | |
d9806c9f | 9006 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 9007 | if (!intel_fb) { |
bc8d7dff DL |
9008 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
9009 | return; | |
9010 | } | |
9011 | ||
1b842c89 DL |
9012 | fb = &intel_fb->base; |
9013 | ||
bc8d7dff | 9014 | val = I915_READ(PLANE_CTL(pipe, 0)); |
42a7b088 DL |
9015 | if (!(val & PLANE_CTL_ENABLE)) |
9016 | goto error; | |
9017 | ||
bc8d7dff DL |
9018 | pixel_format = val & PLANE_CTL_FORMAT_MASK; |
9019 | fourcc = skl_format_to_fourcc(pixel_format, | |
9020 | val & PLANE_CTL_ORDER_RGBX, | |
9021 | val & PLANE_CTL_ALPHA_MASK); | |
9022 | fb->pixel_format = fourcc; | |
9023 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
9024 | ||
40f46283 DL |
9025 | tiling = val & PLANE_CTL_TILED_MASK; |
9026 | switch (tiling) { | |
9027 | case PLANE_CTL_TILED_LINEAR: | |
9028 | fb->modifier[0] = DRM_FORMAT_MOD_NONE; | |
9029 | break; | |
9030 | case PLANE_CTL_TILED_X: | |
9031 | plane_config->tiling = I915_TILING_X; | |
9032 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
9033 | break; | |
9034 | case PLANE_CTL_TILED_Y: | |
9035 | fb->modifier[0] = I915_FORMAT_MOD_Y_TILED; | |
9036 | break; | |
9037 | case PLANE_CTL_TILED_YF: | |
9038 | fb->modifier[0] = I915_FORMAT_MOD_Yf_TILED; | |
9039 | break; | |
9040 | default: | |
9041 | MISSING_CASE(tiling); | |
9042 | goto error; | |
9043 | } | |
9044 | ||
bc8d7dff DL |
9045 | base = I915_READ(PLANE_SURF(pipe, 0)) & 0xfffff000; |
9046 | plane_config->base = base; | |
9047 | ||
9048 | offset = I915_READ(PLANE_OFFSET(pipe, 0)); | |
9049 | ||
9050 | val = I915_READ(PLANE_SIZE(pipe, 0)); | |
9051 | fb->height = ((val >> 16) & 0xfff) + 1; | |
9052 | fb->width = ((val >> 0) & 0x1fff) + 1; | |
9053 | ||
9054 | val = I915_READ(PLANE_STRIDE(pipe, 0)); | |
40f46283 DL |
9055 | stride_mult = intel_fb_stride_alignment(dev, fb->modifier[0], |
9056 | fb->pixel_format); | |
bc8d7dff DL |
9057 | fb->pitches[0] = (val & 0x3ff) * stride_mult; |
9058 | ||
9059 | aligned_height = intel_fb_align_height(dev, fb->height, | |
091df6cb DV |
9060 | fb->pixel_format, |
9061 | fb->modifier[0]); | |
bc8d7dff | 9062 | |
f37b5c2b | 9063 | plane_config->size = fb->pitches[0] * aligned_height; |
bc8d7dff DL |
9064 | |
9065 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", | |
9066 | pipe_name(pipe), fb->width, fb->height, | |
9067 | fb->bits_per_pixel, base, fb->pitches[0], | |
9068 | plane_config->size); | |
9069 | ||
2d14030b | 9070 | plane_config->fb = intel_fb; |
bc8d7dff DL |
9071 | return; |
9072 | ||
9073 | error: | |
9074 | kfree(fb); | |
9075 | } | |
9076 | ||
2fa2fe9a | 9077 | static void ironlake_get_pfit_config(struct intel_crtc *crtc, |
5cec258b | 9078 | struct intel_crtc_state *pipe_config) |
2fa2fe9a DV |
9079 | { |
9080 | struct drm_device *dev = crtc->base.dev; | |
9081 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9082 | uint32_t tmp; | |
9083 | ||
9084 | tmp = I915_READ(PF_CTL(crtc->pipe)); | |
9085 | ||
9086 | if (tmp & PF_ENABLE) { | |
fd4daa9c | 9087 | pipe_config->pch_pfit.enabled = true; |
2fa2fe9a DV |
9088 | pipe_config->pch_pfit.pos = I915_READ(PF_WIN_POS(crtc->pipe)); |
9089 | pipe_config->pch_pfit.size = I915_READ(PF_WIN_SZ(crtc->pipe)); | |
cb8b2a30 DV |
9090 | |
9091 | /* We currently do not free assignements of panel fitters on | |
9092 | * ivb/hsw (since we don't use the higher upscaling modes which | |
9093 | * differentiates them) so just WARN about this case for now. */ | |
9094 | if (IS_GEN7(dev)) { | |
9095 | WARN_ON((tmp & PF_PIPE_SEL_MASK_IVB) != | |
9096 | PF_PIPE_SEL_IVB(crtc->pipe)); | |
9097 | } | |
2fa2fe9a | 9098 | } |
79e53945 JB |
9099 | } |
9100 | ||
5724dbd1 DL |
9101 | static void |
9102 | ironlake_get_initial_plane_config(struct intel_crtc *crtc, | |
9103 | struct intel_initial_plane_config *plane_config) | |
4c6baa59 JB |
9104 | { |
9105 | struct drm_device *dev = crtc->base.dev; | |
9106 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9107 | u32 val, base, offset; | |
aeee5a49 | 9108 | int pipe = crtc->pipe; |
4c6baa59 | 9109 | int fourcc, pixel_format; |
6761dd31 | 9110 | unsigned int aligned_height; |
b113d5ee | 9111 | struct drm_framebuffer *fb; |
1b842c89 | 9112 | struct intel_framebuffer *intel_fb; |
4c6baa59 | 9113 | |
42a7b088 DL |
9114 | val = I915_READ(DSPCNTR(pipe)); |
9115 | if (!(val & DISPLAY_PLANE_ENABLE)) | |
9116 | return; | |
9117 | ||
d9806c9f | 9118 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); |
1b842c89 | 9119 | if (!intel_fb) { |
4c6baa59 JB |
9120 | DRM_DEBUG_KMS("failed to alloc fb\n"); |
9121 | return; | |
9122 | } | |
9123 | ||
1b842c89 DL |
9124 | fb = &intel_fb->base; |
9125 | ||
18c5247e DV |
9126 | if (INTEL_INFO(dev)->gen >= 4) { |
9127 | if (val & DISPPLANE_TILED) { | |
49af449b | 9128 | plane_config->tiling = I915_TILING_X; |
18c5247e DV |
9129 | fb->modifier[0] = I915_FORMAT_MOD_X_TILED; |
9130 | } | |
9131 | } | |
4c6baa59 JB |
9132 | |
9133 | pixel_format = val & DISPPLANE_PIXFORMAT_MASK; | |
b35d63fa | 9134 | fourcc = i9xx_format_to_fourcc(pixel_format); |
b113d5ee DL |
9135 | fb->pixel_format = fourcc; |
9136 | fb->bits_per_pixel = drm_format_plane_cpp(fourcc, 0) * 8; | |
4c6baa59 | 9137 | |
aeee5a49 | 9138 | base = I915_READ(DSPSURF(pipe)) & 0xfffff000; |
4c6baa59 | 9139 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
aeee5a49 | 9140 | offset = I915_READ(DSPOFFSET(pipe)); |
4c6baa59 | 9141 | } else { |
49af449b | 9142 | if (plane_config->tiling) |
aeee5a49 | 9143 | offset = I915_READ(DSPTILEOFF(pipe)); |
4c6baa59 | 9144 | else |
aeee5a49 | 9145 | offset = I915_READ(DSPLINOFF(pipe)); |
4c6baa59 JB |
9146 | } |
9147 | plane_config->base = base; | |
9148 | ||
9149 | val = I915_READ(PIPESRC(pipe)); | |
b113d5ee DL |
9150 | fb->width = ((val >> 16) & 0xfff) + 1; |
9151 | fb->height = ((val >> 0) & 0xfff) + 1; | |
4c6baa59 JB |
9152 | |
9153 | val = I915_READ(DSPSTRIDE(pipe)); | |
b113d5ee | 9154 | fb->pitches[0] = val & 0xffffffc0; |
4c6baa59 | 9155 | |
b113d5ee | 9156 | aligned_height = intel_fb_align_height(dev, fb->height, |
091df6cb DV |
9157 | fb->pixel_format, |
9158 | fb->modifier[0]); | |
4c6baa59 | 9159 | |
f37b5c2b | 9160 | plane_config->size = fb->pitches[0] * aligned_height; |
4c6baa59 | 9161 | |
2844a921 DL |
9162 | DRM_DEBUG_KMS("pipe %c with fb: size=%dx%d@%d, offset=%x, pitch %d, size 0x%x\n", |
9163 | pipe_name(pipe), fb->width, fb->height, | |
9164 | fb->bits_per_pixel, base, fb->pitches[0], | |
9165 | plane_config->size); | |
b113d5ee | 9166 | |
2d14030b | 9167 | plane_config->fb = intel_fb; |
4c6baa59 JB |
9168 | } |
9169 | ||
0e8ffe1b | 9170 | static bool ironlake_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 9171 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
9172 | { |
9173 | struct drm_device *dev = crtc->base.dev; | |
9174 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9175 | uint32_t tmp; | |
9176 | ||
f458ebbc DV |
9177 | if (!intel_display_power_is_enabled(dev_priv, |
9178 | POWER_DOMAIN_PIPE(crtc->pipe))) | |
930e8c9e PZ |
9179 | return false; |
9180 | ||
e143a21c | 9181 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 | 9182 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
eccb140b | 9183 | |
0e8ffe1b DV |
9184 | tmp = I915_READ(PIPECONF(crtc->pipe)); |
9185 | if (!(tmp & PIPECONF_ENABLE)) | |
9186 | return false; | |
9187 | ||
42571aef VS |
9188 | switch (tmp & PIPECONF_BPC_MASK) { |
9189 | case PIPECONF_6BPC: | |
9190 | pipe_config->pipe_bpp = 18; | |
9191 | break; | |
9192 | case PIPECONF_8BPC: | |
9193 | pipe_config->pipe_bpp = 24; | |
9194 | break; | |
9195 | case PIPECONF_10BPC: | |
9196 | pipe_config->pipe_bpp = 30; | |
9197 | break; | |
9198 | case PIPECONF_12BPC: | |
9199 | pipe_config->pipe_bpp = 36; | |
9200 | break; | |
9201 | default: | |
9202 | break; | |
9203 | } | |
9204 | ||
b5a9fa09 DV |
9205 | if (tmp & PIPECONF_COLOR_RANGE_SELECT) |
9206 | pipe_config->limited_color_range = true; | |
9207 | ||
ab9412ba | 9208 | if (I915_READ(PCH_TRANSCONF(crtc->pipe)) & TRANS_ENABLE) { |
66e985c0 DV |
9209 | struct intel_shared_dpll *pll; |
9210 | ||
88adfff1 DV |
9211 | pipe_config->has_pch_encoder = true; |
9212 | ||
627eb5a3 DV |
9213 | tmp = I915_READ(FDI_RX_CTL(crtc->pipe)); |
9214 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
9215 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
72419203 DV |
9216 | |
9217 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
6c49f241 | 9218 | |
c0d43d62 | 9219 | if (HAS_PCH_IBX(dev_priv->dev)) { |
d94ab068 DV |
9220 | pipe_config->shared_dpll = |
9221 | (enum intel_dpll_id) crtc->pipe; | |
c0d43d62 DV |
9222 | } else { |
9223 | tmp = I915_READ(PCH_DPLL_SEL); | |
9224 | if (tmp & TRANS_DPLLB_SEL(crtc->pipe)) | |
9225 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_B; | |
9226 | else | |
9227 | pipe_config->shared_dpll = DPLL_ID_PCH_PLL_A; | |
9228 | } | |
66e985c0 DV |
9229 | |
9230 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
9231 | ||
9232 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
9233 | &pipe_config->dpll_hw_state)); | |
c93f54cf DV |
9234 | |
9235 | tmp = pipe_config->dpll_hw_state.dpll; | |
9236 | pipe_config->pixel_multiplier = | |
9237 | ((tmp & PLL_REF_SDVO_HDMI_MULTIPLIER_MASK) | |
9238 | >> PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT) + 1; | |
18442d08 VS |
9239 | |
9240 | ironlake_pch_clock_get(crtc, pipe_config); | |
6c49f241 DV |
9241 | } else { |
9242 | pipe_config->pixel_multiplier = 1; | |
627eb5a3 DV |
9243 | } |
9244 | ||
1bd1bd80 DV |
9245 | intel_get_pipe_timings(crtc, pipe_config); |
9246 | ||
2fa2fe9a DV |
9247 | ironlake_get_pfit_config(crtc, pipe_config); |
9248 | ||
0e8ffe1b DV |
9249 | return true; |
9250 | } | |
9251 | ||
be256dc7 PZ |
9252 | static void assert_can_disable_lcpll(struct drm_i915_private *dev_priv) |
9253 | { | |
9254 | struct drm_device *dev = dev_priv->dev; | |
be256dc7 | 9255 | struct intel_crtc *crtc; |
be256dc7 | 9256 | |
d3fcc808 | 9257 | for_each_intel_crtc(dev, crtc) |
e2c719b7 | 9258 | I915_STATE_WARN(crtc->active, "CRTC for pipe %c enabled\n", |
be256dc7 PZ |
9259 | pipe_name(crtc->pipe)); |
9260 | ||
e2c719b7 RC |
9261 | I915_STATE_WARN(I915_READ(HSW_PWR_WELL_DRIVER), "Power well on\n"); |
9262 | I915_STATE_WARN(I915_READ(SPLL_CTL) & SPLL_PLL_ENABLE, "SPLL enabled\n"); | |
01403de3 VS |
9263 | I915_STATE_WARN(I915_READ(WRPLL_CTL(0)) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n"); |
9264 | I915_STATE_WARN(I915_READ(WRPLL_CTL(1)) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n"); | |
e2c719b7 RC |
9265 | I915_STATE_WARN(I915_READ(PCH_PP_STATUS) & PP_ON, "Panel power on\n"); |
9266 | I915_STATE_WARN(I915_READ(BLC_PWM_CPU_CTL2) & BLM_PWM_ENABLE, | |
be256dc7 | 9267 | "CPU PWM1 enabled\n"); |
c5107b87 | 9268 | if (IS_HASWELL(dev)) |
e2c719b7 | 9269 | I915_STATE_WARN(I915_READ(HSW_BLC_PWM2_CTL) & BLM_PWM_ENABLE, |
c5107b87 | 9270 | "CPU PWM2 enabled\n"); |
e2c719b7 | 9271 | I915_STATE_WARN(I915_READ(BLC_PWM_PCH_CTL1) & BLM_PCH_PWM_ENABLE, |
be256dc7 | 9272 | "PCH PWM1 enabled\n"); |
e2c719b7 | 9273 | I915_STATE_WARN(I915_READ(UTIL_PIN_CTL) & UTIL_PIN_ENABLE, |
be256dc7 | 9274 | "Utility pin enabled\n"); |
e2c719b7 | 9275 | I915_STATE_WARN(I915_READ(PCH_GTC_CTL) & PCH_GTC_ENABLE, "PCH GTC enabled\n"); |
be256dc7 | 9276 | |
9926ada1 PZ |
9277 | /* |
9278 | * In theory we can still leave IRQs enabled, as long as only the HPD | |
9279 | * interrupts remain enabled. We used to check for that, but since it's | |
9280 | * gen-specific and since we only disable LCPLL after we fully disable | |
9281 | * the interrupts, the check below should be enough. | |
9282 | */ | |
e2c719b7 | 9283 | I915_STATE_WARN(intel_irqs_enabled(dev_priv), "IRQs enabled\n"); |
be256dc7 PZ |
9284 | } |
9285 | ||
9ccd5aeb PZ |
9286 | static uint32_t hsw_read_dcomp(struct drm_i915_private *dev_priv) |
9287 | { | |
9288 | struct drm_device *dev = dev_priv->dev; | |
9289 | ||
9290 | if (IS_HASWELL(dev)) | |
9291 | return I915_READ(D_COMP_HSW); | |
9292 | else | |
9293 | return I915_READ(D_COMP_BDW); | |
9294 | } | |
9295 | ||
3c4c9b81 PZ |
9296 | static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val) |
9297 | { | |
9298 | struct drm_device *dev = dev_priv->dev; | |
9299 | ||
9300 | if (IS_HASWELL(dev)) { | |
9301 | mutex_lock(&dev_priv->rps.hw_lock); | |
9302 | if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP, | |
9303 | val)) | |
f475dadf | 9304 | DRM_ERROR("Failed to write to D_COMP\n"); |
3c4c9b81 PZ |
9305 | mutex_unlock(&dev_priv->rps.hw_lock); |
9306 | } else { | |
9ccd5aeb PZ |
9307 | I915_WRITE(D_COMP_BDW, val); |
9308 | POSTING_READ(D_COMP_BDW); | |
3c4c9b81 | 9309 | } |
be256dc7 PZ |
9310 | } |
9311 | ||
9312 | /* | |
9313 | * This function implements pieces of two sequences from BSpec: | |
9314 | * - Sequence for display software to disable LCPLL | |
9315 | * - Sequence for display software to allow package C8+ | |
9316 | * The steps implemented here are just the steps that actually touch the LCPLL | |
9317 | * register. Callers should take care of disabling all the display engine | |
9318 | * functions, doing the mode unset, fixing interrupts, etc. | |
9319 | */ | |
6ff58d53 PZ |
9320 | static void hsw_disable_lcpll(struct drm_i915_private *dev_priv, |
9321 | bool switch_to_fclk, bool allow_power_down) | |
be256dc7 PZ |
9322 | { |
9323 | uint32_t val; | |
9324 | ||
9325 | assert_can_disable_lcpll(dev_priv); | |
9326 | ||
9327 | val = I915_READ(LCPLL_CTL); | |
9328 | ||
9329 | if (switch_to_fclk) { | |
9330 | val |= LCPLL_CD_SOURCE_FCLK; | |
9331 | I915_WRITE(LCPLL_CTL, val); | |
9332 | ||
9333 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & | |
9334 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
9335 | DRM_ERROR("Switching to FCLK failed\n"); | |
9336 | ||
9337 | val = I915_READ(LCPLL_CTL); | |
9338 | } | |
9339 | ||
9340 | val |= LCPLL_PLL_DISABLE; | |
9341 | I915_WRITE(LCPLL_CTL, val); | |
9342 | POSTING_READ(LCPLL_CTL); | |
9343 | ||
9344 | if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1)) | |
9345 | DRM_ERROR("LCPLL still locked\n"); | |
9346 | ||
9ccd5aeb | 9347 | val = hsw_read_dcomp(dev_priv); |
be256dc7 | 9348 | val |= D_COMP_COMP_DISABLE; |
3c4c9b81 | 9349 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
9350 | ndelay(100); |
9351 | ||
9ccd5aeb PZ |
9352 | if (wait_for((hsw_read_dcomp(dev_priv) & D_COMP_RCOMP_IN_PROGRESS) == 0, |
9353 | 1)) | |
be256dc7 PZ |
9354 | DRM_ERROR("D_COMP RCOMP still in progress\n"); |
9355 | ||
9356 | if (allow_power_down) { | |
9357 | val = I915_READ(LCPLL_CTL); | |
9358 | val |= LCPLL_POWER_DOWN_ALLOW; | |
9359 | I915_WRITE(LCPLL_CTL, val); | |
9360 | POSTING_READ(LCPLL_CTL); | |
9361 | } | |
9362 | } | |
9363 | ||
9364 | /* | |
9365 | * Fully restores LCPLL, disallowing power down and switching back to LCPLL | |
9366 | * source. | |
9367 | */ | |
6ff58d53 | 9368 | static void hsw_restore_lcpll(struct drm_i915_private *dev_priv) |
be256dc7 PZ |
9369 | { |
9370 | uint32_t val; | |
9371 | ||
9372 | val = I915_READ(LCPLL_CTL); | |
9373 | ||
9374 | if ((val & (LCPLL_PLL_LOCK | LCPLL_PLL_DISABLE | LCPLL_CD_SOURCE_FCLK | | |
9375 | LCPLL_POWER_DOWN_ALLOW)) == LCPLL_PLL_LOCK) | |
9376 | return; | |
9377 | ||
a8a8bd54 PZ |
9378 | /* |
9379 | * Make sure we're not on PC8 state before disabling PC8, otherwise | |
9380 | * we'll hang the machine. To prevent PC8 state, just enable force_wake. | |
a8a8bd54 | 9381 | */ |
59bad947 | 9382 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
215733fa | 9383 | |
be256dc7 PZ |
9384 | if (val & LCPLL_POWER_DOWN_ALLOW) { |
9385 | val &= ~LCPLL_POWER_DOWN_ALLOW; | |
9386 | I915_WRITE(LCPLL_CTL, val); | |
35d8f2eb | 9387 | POSTING_READ(LCPLL_CTL); |
be256dc7 PZ |
9388 | } |
9389 | ||
9ccd5aeb | 9390 | val = hsw_read_dcomp(dev_priv); |
be256dc7 PZ |
9391 | val |= D_COMP_COMP_FORCE; |
9392 | val &= ~D_COMP_COMP_DISABLE; | |
3c4c9b81 | 9393 | hsw_write_dcomp(dev_priv, val); |
be256dc7 PZ |
9394 | |
9395 | val = I915_READ(LCPLL_CTL); | |
9396 | val &= ~LCPLL_PLL_DISABLE; | |
9397 | I915_WRITE(LCPLL_CTL, val); | |
9398 | ||
9399 | if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5)) | |
9400 | DRM_ERROR("LCPLL not locked yet\n"); | |
9401 | ||
9402 | if (val & LCPLL_CD_SOURCE_FCLK) { | |
9403 | val = I915_READ(LCPLL_CTL); | |
9404 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
9405 | I915_WRITE(LCPLL_CTL, val); | |
9406 | ||
9407 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & | |
9408 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
9409 | DRM_ERROR("Switching back to LCPLL failed\n"); | |
9410 | } | |
215733fa | 9411 | |
59bad947 | 9412 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
b6283055 | 9413 | intel_update_cdclk(dev_priv->dev); |
be256dc7 PZ |
9414 | } |
9415 | ||
765dab67 PZ |
9416 | /* |
9417 | * Package states C8 and deeper are really deep PC states that can only be | |
9418 | * reached when all the devices on the system allow it, so even if the graphics | |
9419 | * device allows PC8+, it doesn't mean the system will actually get to these | |
9420 | * states. Our driver only allows PC8+ when going into runtime PM. | |
9421 | * | |
9422 | * The requirements for PC8+ are that all the outputs are disabled, the power | |
9423 | * well is disabled and most interrupts are disabled, and these are also | |
9424 | * requirements for runtime PM. When these conditions are met, we manually do | |
9425 | * the other conditions: disable the interrupts, clocks and switch LCPLL refclk | |
9426 | * to Fclk. If we're in PC8+ and we get an non-hotplug interrupt, we can hard | |
9427 | * hang the machine. | |
9428 | * | |
9429 | * When we really reach PC8 or deeper states (not just when we allow it) we lose | |
9430 | * the state of some registers, so when we come back from PC8+ we need to | |
9431 | * restore this state. We don't get into PC8+ if we're not in RC6, so we don't | |
9432 | * need to take care of the registers kept by RC6. Notice that this happens even | |
9433 | * if we don't put the device in PCI D3 state (which is what currently happens | |
9434 | * because of the runtime PM support). | |
9435 | * | |
9436 | * For more, read "Display Sequences for Package C8" on the hardware | |
9437 | * documentation. | |
9438 | */ | |
a14cb6fc | 9439 | void hsw_enable_pc8(struct drm_i915_private *dev_priv) |
c67a470b | 9440 | { |
c67a470b PZ |
9441 | struct drm_device *dev = dev_priv->dev; |
9442 | uint32_t val; | |
9443 | ||
c67a470b PZ |
9444 | DRM_DEBUG_KMS("Enabling package C8+\n"); |
9445 | ||
c2699524 | 9446 | if (HAS_PCH_LPT_LP(dev)) { |
c67a470b PZ |
9447 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
9448 | val &= ~PCH_LP_PARTITION_LEVEL_DISABLE; | |
9449 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
9450 | } | |
9451 | ||
9452 | lpt_disable_clkout_dp(dev); | |
c67a470b PZ |
9453 | hsw_disable_lcpll(dev_priv, true, true); |
9454 | } | |
9455 | ||
a14cb6fc | 9456 | void hsw_disable_pc8(struct drm_i915_private *dev_priv) |
c67a470b PZ |
9457 | { |
9458 | struct drm_device *dev = dev_priv->dev; | |
9459 | uint32_t val; | |
9460 | ||
c67a470b PZ |
9461 | DRM_DEBUG_KMS("Disabling package C8+\n"); |
9462 | ||
9463 | hsw_restore_lcpll(dev_priv); | |
c67a470b PZ |
9464 | lpt_init_pch_refclk(dev); |
9465 | ||
c2699524 | 9466 | if (HAS_PCH_LPT_LP(dev)) { |
c67a470b PZ |
9467 | val = I915_READ(SOUTH_DSPCLK_GATE_D); |
9468 | val |= PCH_LP_PARTITION_LEVEL_DISABLE; | |
9469 | I915_WRITE(SOUTH_DSPCLK_GATE_D, val); | |
9470 | } | |
9471 | ||
9472 | intel_prepare_ddi(dev); | |
c67a470b PZ |
9473 | } |
9474 | ||
27c329ed | 9475 | static void broxton_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
f8437dd1 | 9476 | { |
a821fc46 | 9477 | struct drm_device *dev = old_state->dev; |
27c329ed | 9478 | unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk; |
f8437dd1 | 9479 | |
27c329ed | 9480 | broxton_set_cdclk(dev, req_cdclk); |
f8437dd1 VK |
9481 | } |
9482 | ||
b432e5cf | 9483 | /* compute the max rate for new configuration */ |
27c329ed | 9484 | static int ilk_max_pixel_rate(struct drm_atomic_state *state) |
b432e5cf | 9485 | { |
b432e5cf | 9486 | struct intel_crtc *intel_crtc; |
27c329ed | 9487 | struct intel_crtc_state *crtc_state; |
b432e5cf | 9488 | int max_pixel_rate = 0; |
b432e5cf | 9489 | |
27c329ed ML |
9490 | for_each_intel_crtc(state->dev, intel_crtc) { |
9491 | int pixel_rate; | |
9492 | ||
9493 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); | |
9494 | if (IS_ERR(crtc_state)) | |
9495 | return PTR_ERR(crtc_state); | |
9496 | ||
9497 | if (!crtc_state->base.enable) | |
b432e5cf VS |
9498 | continue; |
9499 | ||
27c329ed | 9500 | pixel_rate = ilk_pipe_pixel_rate(crtc_state); |
b432e5cf VS |
9501 | |
9502 | /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */ | |
27c329ed | 9503 | if (IS_BROADWELL(state->dev) && crtc_state->ips_enabled) |
b432e5cf VS |
9504 | pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95); |
9505 | ||
9506 | max_pixel_rate = max(max_pixel_rate, pixel_rate); | |
9507 | } | |
9508 | ||
9509 | return max_pixel_rate; | |
9510 | } | |
9511 | ||
9512 | static void broadwell_set_cdclk(struct drm_device *dev, int cdclk) | |
9513 | { | |
9514 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9515 | uint32_t val, data; | |
9516 | int ret; | |
9517 | ||
9518 | if (WARN((I915_READ(LCPLL_CTL) & | |
9519 | (LCPLL_PLL_DISABLE | LCPLL_PLL_LOCK | | |
9520 | LCPLL_CD_CLOCK_DISABLE | LCPLL_ROOT_CD_CLOCK_DISABLE | | |
9521 | LCPLL_CD2X_CLOCK_DISABLE | LCPLL_POWER_DOWN_ALLOW | | |
9522 | LCPLL_CD_SOURCE_FCLK)) != LCPLL_PLL_LOCK, | |
9523 | "trying to change cdclk frequency with cdclk not enabled\n")) | |
9524 | return; | |
9525 | ||
9526 | mutex_lock(&dev_priv->rps.hw_lock); | |
9527 | ret = sandybridge_pcode_write(dev_priv, | |
9528 | BDW_PCODE_DISPLAY_FREQ_CHANGE_REQ, 0x0); | |
9529 | mutex_unlock(&dev_priv->rps.hw_lock); | |
9530 | if (ret) { | |
9531 | DRM_ERROR("failed to inform pcode about cdclk change\n"); | |
9532 | return; | |
9533 | } | |
9534 | ||
9535 | val = I915_READ(LCPLL_CTL); | |
9536 | val |= LCPLL_CD_SOURCE_FCLK; | |
9537 | I915_WRITE(LCPLL_CTL, val); | |
9538 | ||
9539 | if (wait_for_atomic_us(I915_READ(LCPLL_CTL) & | |
9540 | LCPLL_CD_SOURCE_FCLK_DONE, 1)) | |
9541 | DRM_ERROR("Switching to FCLK failed\n"); | |
9542 | ||
9543 | val = I915_READ(LCPLL_CTL); | |
9544 | val &= ~LCPLL_CLK_FREQ_MASK; | |
9545 | ||
9546 | switch (cdclk) { | |
9547 | case 450000: | |
9548 | val |= LCPLL_CLK_FREQ_450; | |
9549 | data = 0; | |
9550 | break; | |
9551 | case 540000: | |
9552 | val |= LCPLL_CLK_FREQ_54O_BDW; | |
9553 | data = 1; | |
9554 | break; | |
9555 | case 337500: | |
9556 | val |= LCPLL_CLK_FREQ_337_5_BDW; | |
9557 | data = 2; | |
9558 | break; | |
9559 | case 675000: | |
9560 | val |= LCPLL_CLK_FREQ_675_BDW; | |
9561 | data = 3; | |
9562 | break; | |
9563 | default: | |
9564 | WARN(1, "invalid cdclk frequency\n"); | |
9565 | return; | |
9566 | } | |
9567 | ||
9568 | I915_WRITE(LCPLL_CTL, val); | |
9569 | ||
9570 | val = I915_READ(LCPLL_CTL); | |
9571 | val &= ~LCPLL_CD_SOURCE_FCLK; | |
9572 | I915_WRITE(LCPLL_CTL, val); | |
9573 | ||
9574 | if (wait_for_atomic_us((I915_READ(LCPLL_CTL) & | |
9575 | LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1)) | |
9576 | DRM_ERROR("Switching back to LCPLL failed\n"); | |
9577 | ||
9578 | mutex_lock(&dev_priv->rps.hw_lock); | |
9579 | sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ, data); | |
9580 | mutex_unlock(&dev_priv->rps.hw_lock); | |
9581 | ||
9582 | intel_update_cdclk(dev); | |
9583 | ||
9584 | WARN(cdclk != dev_priv->cdclk_freq, | |
9585 | "cdclk requested %d kHz but got %d kHz\n", | |
9586 | cdclk, dev_priv->cdclk_freq); | |
9587 | } | |
9588 | ||
27c329ed | 9589 | static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state) |
b432e5cf | 9590 | { |
27c329ed ML |
9591 | struct drm_i915_private *dev_priv = to_i915(state->dev); |
9592 | int max_pixclk = ilk_max_pixel_rate(state); | |
b432e5cf VS |
9593 | int cdclk; |
9594 | ||
9595 | /* | |
9596 | * FIXME should also account for plane ratio | |
9597 | * once 64bpp pixel formats are supported. | |
9598 | */ | |
27c329ed | 9599 | if (max_pixclk > 540000) |
b432e5cf | 9600 | cdclk = 675000; |
27c329ed | 9601 | else if (max_pixclk > 450000) |
b432e5cf | 9602 | cdclk = 540000; |
27c329ed | 9603 | else if (max_pixclk > 337500) |
b432e5cf VS |
9604 | cdclk = 450000; |
9605 | else | |
9606 | cdclk = 337500; | |
9607 | ||
9608 | /* | |
9609 | * FIXME move the cdclk caclulation to | |
9610 | * compute_config() so we can fail gracegully. | |
9611 | */ | |
9612 | if (cdclk > dev_priv->max_cdclk_freq) { | |
9613 | DRM_ERROR("requested cdclk (%d kHz) exceeds max (%d kHz)\n", | |
9614 | cdclk, dev_priv->max_cdclk_freq); | |
9615 | cdclk = dev_priv->max_cdclk_freq; | |
9616 | } | |
9617 | ||
27c329ed | 9618 | to_intel_atomic_state(state)->cdclk = cdclk; |
b432e5cf VS |
9619 | |
9620 | return 0; | |
9621 | } | |
9622 | ||
27c329ed | 9623 | static void broadwell_modeset_commit_cdclk(struct drm_atomic_state *old_state) |
b432e5cf | 9624 | { |
27c329ed ML |
9625 | struct drm_device *dev = old_state->dev; |
9626 | unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk; | |
b432e5cf | 9627 | |
27c329ed | 9628 | broadwell_set_cdclk(dev, req_cdclk); |
b432e5cf VS |
9629 | } |
9630 | ||
190f68c5 ACO |
9631 | static int haswell_crtc_compute_clock(struct intel_crtc *crtc, |
9632 | struct intel_crtc_state *crtc_state) | |
09b4ddf9 | 9633 | { |
190f68c5 | 9634 | if (!intel_ddi_pll_select(crtc, crtc_state)) |
6441ab5f | 9635 | return -EINVAL; |
716c2e55 | 9636 | |
c7653199 | 9637 | crtc->lowfreq_avail = false; |
644cef34 | 9638 | |
c8f7a0db | 9639 | return 0; |
79e53945 JB |
9640 | } |
9641 | ||
3760b59c S |
9642 | static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv, |
9643 | enum port port, | |
9644 | struct intel_crtc_state *pipe_config) | |
9645 | { | |
9646 | switch (port) { | |
9647 | case PORT_A: | |
9648 | pipe_config->ddi_pll_sel = SKL_DPLL0; | |
9649 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1; | |
9650 | break; | |
9651 | case PORT_B: | |
9652 | pipe_config->ddi_pll_sel = SKL_DPLL1; | |
9653 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2; | |
9654 | break; | |
9655 | case PORT_C: | |
9656 | pipe_config->ddi_pll_sel = SKL_DPLL2; | |
9657 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3; | |
9658 | break; | |
9659 | default: | |
9660 | DRM_ERROR("Incorrect port type\n"); | |
9661 | } | |
9662 | } | |
9663 | ||
96b7dfb7 S |
9664 | static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv, |
9665 | enum port port, | |
5cec258b | 9666 | struct intel_crtc_state *pipe_config) |
96b7dfb7 | 9667 | { |
3148ade7 | 9668 | u32 temp, dpll_ctl1; |
96b7dfb7 S |
9669 | |
9670 | temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port); | |
9671 | pipe_config->ddi_pll_sel = temp >> (port * 3 + 1); | |
9672 | ||
9673 | switch (pipe_config->ddi_pll_sel) { | |
3148ade7 DL |
9674 | case SKL_DPLL0: |
9675 | /* | |
9676 | * On SKL the eDP DPLL (DPLL0 as we don't use SSC) is not part | |
9677 | * of the shared DPLL framework and thus needs to be read out | |
9678 | * separately | |
9679 | */ | |
9680 | dpll_ctl1 = I915_READ(DPLL_CTRL1); | |
9681 | pipe_config->dpll_hw_state.ctrl1 = dpll_ctl1 & 0x3f; | |
9682 | break; | |
96b7dfb7 S |
9683 | case SKL_DPLL1: |
9684 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL1; | |
9685 | break; | |
9686 | case SKL_DPLL2: | |
9687 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL2; | |
9688 | break; | |
9689 | case SKL_DPLL3: | |
9690 | pipe_config->shared_dpll = DPLL_ID_SKL_DPLL3; | |
9691 | break; | |
96b7dfb7 S |
9692 | } |
9693 | } | |
9694 | ||
7d2c8175 DL |
9695 | static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv, |
9696 | enum port port, | |
5cec258b | 9697 | struct intel_crtc_state *pipe_config) |
7d2c8175 DL |
9698 | { |
9699 | pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port)); | |
9700 | ||
9701 | switch (pipe_config->ddi_pll_sel) { | |
9702 | case PORT_CLK_SEL_WRPLL1: | |
9703 | pipe_config->shared_dpll = DPLL_ID_WRPLL1; | |
9704 | break; | |
9705 | case PORT_CLK_SEL_WRPLL2: | |
9706 | pipe_config->shared_dpll = DPLL_ID_WRPLL2; | |
9707 | break; | |
9708 | } | |
9709 | } | |
9710 | ||
26804afd | 9711 | static void haswell_get_ddi_port_state(struct intel_crtc *crtc, |
5cec258b | 9712 | struct intel_crtc_state *pipe_config) |
26804afd DV |
9713 | { |
9714 | struct drm_device *dev = crtc->base.dev; | |
9715 | struct drm_i915_private *dev_priv = dev->dev_private; | |
d452c5b6 | 9716 | struct intel_shared_dpll *pll; |
26804afd DV |
9717 | enum port port; |
9718 | uint32_t tmp; | |
9719 | ||
9720 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(pipe_config->cpu_transcoder)); | |
9721 | ||
9722 | port = (tmp & TRANS_DDI_PORT_MASK) >> TRANS_DDI_PORT_SHIFT; | |
9723 | ||
ef11bdb3 | 9724 | if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) |
96b7dfb7 | 9725 | skylake_get_ddi_pll(dev_priv, port, pipe_config); |
3760b59c S |
9726 | else if (IS_BROXTON(dev)) |
9727 | bxt_get_ddi_pll(dev_priv, port, pipe_config); | |
96b7dfb7 S |
9728 | else |
9729 | haswell_get_ddi_pll(dev_priv, port, pipe_config); | |
9cd86933 | 9730 | |
d452c5b6 DV |
9731 | if (pipe_config->shared_dpll >= 0) { |
9732 | pll = &dev_priv->shared_dplls[pipe_config->shared_dpll]; | |
9733 | ||
9734 | WARN_ON(!pll->get_hw_state(dev_priv, pll, | |
9735 | &pipe_config->dpll_hw_state)); | |
9736 | } | |
9737 | ||
26804afd DV |
9738 | /* |
9739 | * Haswell has only FDI/PCH transcoder A. It is which is connected to | |
9740 | * DDI E. So just check whether this pipe is wired to DDI E and whether | |
9741 | * the PCH transcoder is on. | |
9742 | */ | |
ca370455 DL |
9743 | if (INTEL_INFO(dev)->gen < 9 && |
9744 | (port == PORT_E) && I915_READ(LPT_TRANSCONF) & TRANS_ENABLE) { | |
26804afd DV |
9745 | pipe_config->has_pch_encoder = true; |
9746 | ||
9747 | tmp = I915_READ(FDI_RX_CTL(PIPE_A)); | |
9748 | pipe_config->fdi_lanes = ((FDI_DP_PORT_WIDTH_MASK & tmp) >> | |
9749 | FDI_DP_PORT_WIDTH_SHIFT) + 1; | |
9750 | ||
9751 | ironlake_get_fdi_m_n_config(crtc, pipe_config); | |
9752 | } | |
9753 | } | |
9754 | ||
0e8ffe1b | 9755 | static bool haswell_get_pipe_config(struct intel_crtc *crtc, |
5cec258b | 9756 | struct intel_crtc_state *pipe_config) |
0e8ffe1b DV |
9757 | { |
9758 | struct drm_device *dev = crtc->base.dev; | |
9759 | struct drm_i915_private *dev_priv = dev->dev_private; | |
2fa2fe9a | 9760 | enum intel_display_power_domain pfit_domain; |
0e8ffe1b DV |
9761 | uint32_t tmp; |
9762 | ||
f458ebbc | 9763 | if (!intel_display_power_is_enabled(dev_priv, |
b5482bd0 ID |
9764 | POWER_DOMAIN_PIPE(crtc->pipe))) |
9765 | return false; | |
9766 | ||
e143a21c | 9767 | pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe; |
c0d43d62 DV |
9768 | pipe_config->shared_dpll = DPLL_ID_PRIVATE; |
9769 | ||
eccb140b DV |
9770 | tmp = I915_READ(TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); |
9771 | if (tmp & TRANS_DDI_FUNC_ENABLE) { | |
9772 | enum pipe trans_edp_pipe; | |
9773 | switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { | |
9774 | default: | |
9775 | WARN(1, "unknown pipe linked to edp transcoder\n"); | |
9776 | case TRANS_DDI_EDP_INPUT_A_ONOFF: | |
9777 | case TRANS_DDI_EDP_INPUT_A_ON: | |
9778 | trans_edp_pipe = PIPE_A; | |
9779 | break; | |
9780 | case TRANS_DDI_EDP_INPUT_B_ONOFF: | |
9781 | trans_edp_pipe = PIPE_B; | |
9782 | break; | |
9783 | case TRANS_DDI_EDP_INPUT_C_ONOFF: | |
9784 | trans_edp_pipe = PIPE_C; | |
9785 | break; | |
9786 | } | |
9787 | ||
9788 | if (trans_edp_pipe == crtc->pipe) | |
9789 | pipe_config->cpu_transcoder = TRANSCODER_EDP; | |
9790 | } | |
9791 | ||
f458ebbc | 9792 | if (!intel_display_power_is_enabled(dev_priv, |
eccb140b | 9793 | POWER_DOMAIN_TRANSCODER(pipe_config->cpu_transcoder))) |
2bfce950 PZ |
9794 | return false; |
9795 | ||
eccb140b | 9796 | tmp = I915_READ(PIPECONF(pipe_config->cpu_transcoder)); |
0e8ffe1b DV |
9797 | if (!(tmp & PIPECONF_ENABLE)) |
9798 | return false; | |
9799 | ||
26804afd | 9800 | haswell_get_ddi_port_state(crtc, pipe_config); |
627eb5a3 | 9801 | |
1bd1bd80 DV |
9802 | intel_get_pipe_timings(crtc, pipe_config); |
9803 | ||
a1b2278e CK |
9804 | if (INTEL_INFO(dev)->gen >= 9) { |
9805 | skl_init_scalers(dev, crtc, pipe_config); | |
9806 | } | |
9807 | ||
2fa2fe9a | 9808 | pfit_domain = POWER_DOMAIN_PIPE_PANEL_FITTER(crtc->pipe); |
af99ceda CK |
9809 | |
9810 | if (INTEL_INFO(dev)->gen >= 9) { | |
9811 | pipe_config->scaler_state.scaler_id = -1; | |
9812 | pipe_config->scaler_state.scaler_users &= ~(1 << SKL_CRTC_INDEX); | |
9813 | } | |
9814 | ||
bd2e244f | 9815 | if (intel_display_power_is_enabled(dev_priv, pfit_domain)) { |
1c132b44 | 9816 | if (INTEL_INFO(dev)->gen >= 9) |
bd2e244f | 9817 | skylake_get_pfit_config(crtc, pipe_config); |
ff6d9f55 | 9818 | else |
1c132b44 | 9819 | ironlake_get_pfit_config(crtc, pipe_config); |
bd2e244f | 9820 | } |
88adfff1 | 9821 | |
e59150dc JB |
9822 | if (IS_HASWELL(dev)) |
9823 | pipe_config->ips_enabled = hsw_crtc_supports_ips(crtc) && | |
9824 | (I915_READ(IPS_CTL) & IPS_ENABLE); | |
42db64ef | 9825 | |
ebb69c95 CT |
9826 | if (pipe_config->cpu_transcoder != TRANSCODER_EDP) { |
9827 | pipe_config->pixel_multiplier = | |
9828 | I915_READ(PIPE_MULT(pipe_config->cpu_transcoder)) + 1; | |
9829 | } else { | |
9830 | pipe_config->pixel_multiplier = 1; | |
9831 | } | |
6c49f241 | 9832 | |
0e8ffe1b DV |
9833 | return true; |
9834 | } | |
9835 | ||
560b85bb CW |
9836 | static void i845_update_cursor(struct drm_crtc *crtc, u32 base) |
9837 | { | |
9838 | struct drm_device *dev = crtc->dev; | |
9839 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9840 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
dc41c154 | 9841 | uint32_t cntl = 0, size = 0; |
560b85bb | 9842 | |
dc41c154 | 9843 | if (base) { |
3dd512fb MR |
9844 | unsigned int width = intel_crtc->base.cursor->state->crtc_w; |
9845 | unsigned int height = intel_crtc->base.cursor->state->crtc_h; | |
dc41c154 VS |
9846 | unsigned int stride = roundup_pow_of_two(width) * 4; |
9847 | ||
9848 | switch (stride) { | |
9849 | default: | |
9850 | WARN_ONCE(1, "Invalid cursor width/stride, width=%u, stride=%u\n", | |
9851 | width, stride); | |
9852 | stride = 256; | |
9853 | /* fallthrough */ | |
9854 | case 256: | |
9855 | case 512: | |
9856 | case 1024: | |
9857 | case 2048: | |
9858 | break; | |
4b0e333e CW |
9859 | } |
9860 | ||
dc41c154 VS |
9861 | cntl |= CURSOR_ENABLE | |
9862 | CURSOR_GAMMA_ENABLE | | |
9863 | CURSOR_FORMAT_ARGB | | |
9864 | CURSOR_STRIDE(stride); | |
9865 | ||
9866 | size = (height << 12) | width; | |
4b0e333e | 9867 | } |
560b85bb | 9868 | |
dc41c154 VS |
9869 | if (intel_crtc->cursor_cntl != 0 && |
9870 | (intel_crtc->cursor_base != base || | |
9871 | intel_crtc->cursor_size != size || | |
9872 | intel_crtc->cursor_cntl != cntl)) { | |
9873 | /* On these chipsets we can only modify the base/size/stride | |
9874 | * whilst the cursor is disabled. | |
9875 | */ | |
0b87c24e VS |
9876 | I915_WRITE(CURCNTR(PIPE_A), 0); |
9877 | POSTING_READ(CURCNTR(PIPE_A)); | |
dc41c154 | 9878 | intel_crtc->cursor_cntl = 0; |
4b0e333e | 9879 | } |
560b85bb | 9880 | |
99d1f387 | 9881 | if (intel_crtc->cursor_base != base) { |
0b87c24e | 9882 | I915_WRITE(CURBASE(PIPE_A), base); |
99d1f387 VS |
9883 | intel_crtc->cursor_base = base; |
9884 | } | |
4726e0b0 | 9885 | |
dc41c154 VS |
9886 | if (intel_crtc->cursor_size != size) { |
9887 | I915_WRITE(CURSIZE, size); | |
9888 | intel_crtc->cursor_size = size; | |
4b0e333e | 9889 | } |
560b85bb | 9890 | |
4b0e333e | 9891 | if (intel_crtc->cursor_cntl != cntl) { |
0b87c24e VS |
9892 | I915_WRITE(CURCNTR(PIPE_A), cntl); |
9893 | POSTING_READ(CURCNTR(PIPE_A)); | |
4b0e333e | 9894 | intel_crtc->cursor_cntl = cntl; |
560b85bb | 9895 | } |
560b85bb CW |
9896 | } |
9897 | ||
560b85bb | 9898 | static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base) |
65a21cd6 JB |
9899 | { |
9900 | struct drm_device *dev = crtc->dev; | |
9901 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9902 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9903 | int pipe = intel_crtc->pipe; | |
4b0e333e CW |
9904 | uint32_t cntl; |
9905 | ||
9906 | cntl = 0; | |
9907 | if (base) { | |
9908 | cntl = MCURSOR_GAMMA_ENABLE; | |
3dd512fb | 9909 | switch (intel_crtc->base.cursor->state->crtc_w) { |
4726e0b0 SK |
9910 | case 64: |
9911 | cntl |= CURSOR_MODE_64_ARGB_AX; | |
9912 | break; | |
9913 | case 128: | |
9914 | cntl |= CURSOR_MODE_128_ARGB_AX; | |
9915 | break; | |
9916 | case 256: | |
9917 | cntl |= CURSOR_MODE_256_ARGB_AX; | |
9918 | break; | |
9919 | default: | |
3dd512fb | 9920 | MISSING_CASE(intel_crtc->base.cursor->state->crtc_w); |
4726e0b0 | 9921 | return; |
65a21cd6 | 9922 | } |
4b0e333e | 9923 | cntl |= pipe << 28; /* Connect to correct pipe */ |
47bf17a7 | 9924 | |
fc6f93bc | 9925 | if (HAS_DDI(dev)) |
47bf17a7 | 9926 | cntl |= CURSOR_PIPE_CSC_ENABLE; |
4b0e333e | 9927 | } |
65a21cd6 | 9928 | |
8e7d688b | 9929 | if (crtc->cursor->state->rotation == BIT(DRM_ROTATE_180)) |
4398ad45 VS |
9930 | cntl |= CURSOR_ROTATE_180; |
9931 | ||
4b0e333e CW |
9932 | if (intel_crtc->cursor_cntl != cntl) { |
9933 | I915_WRITE(CURCNTR(pipe), cntl); | |
9934 | POSTING_READ(CURCNTR(pipe)); | |
9935 | intel_crtc->cursor_cntl = cntl; | |
65a21cd6 | 9936 | } |
4b0e333e | 9937 | |
65a21cd6 | 9938 | /* and commit changes on next vblank */ |
5efb3e28 VS |
9939 | I915_WRITE(CURBASE(pipe), base); |
9940 | POSTING_READ(CURBASE(pipe)); | |
99d1f387 VS |
9941 | |
9942 | intel_crtc->cursor_base = base; | |
65a21cd6 JB |
9943 | } |
9944 | ||
cda4b7d3 | 9945 | /* If no-part of the cursor is visible on the framebuffer, then the GPU may hang... */ |
6b383a7f CW |
9946 | static void intel_crtc_update_cursor(struct drm_crtc *crtc, |
9947 | bool on) | |
cda4b7d3 CW |
9948 | { |
9949 | struct drm_device *dev = crtc->dev; | |
9950 | struct drm_i915_private *dev_priv = dev->dev_private; | |
9951 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
9952 | int pipe = intel_crtc->pipe; | |
9b4101be ML |
9953 | struct drm_plane_state *cursor_state = crtc->cursor->state; |
9954 | int x = cursor_state->crtc_x; | |
9955 | int y = cursor_state->crtc_y; | |
d6e4db15 | 9956 | u32 base = 0, pos = 0; |
cda4b7d3 | 9957 | |
d6e4db15 | 9958 | if (on) |
cda4b7d3 | 9959 | base = intel_crtc->cursor_addr; |
cda4b7d3 | 9960 | |
6e3c9717 | 9961 | if (x >= intel_crtc->config->pipe_src_w) |
d6e4db15 VS |
9962 | base = 0; |
9963 | ||
6e3c9717 | 9964 | if (y >= intel_crtc->config->pipe_src_h) |
cda4b7d3 CW |
9965 | base = 0; |
9966 | ||
9967 | if (x < 0) { | |
9b4101be | 9968 | if (x + cursor_state->crtc_w <= 0) |
cda4b7d3 CW |
9969 | base = 0; |
9970 | ||
9971 | pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT; | |
9972 | x = -x; | |
9973 | } | |
9974 | pos |= x << CURSOR_X_SHIFT; | |
9975 | ||
9976 | if (y < 0) { | |
9b4101be | 9977 | if (y + cursor_state->crtc_h <= 0) |
cda4b7d3 CW |
9978 | base = 0; |
9979 | ||
9980 | pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT; | |
9981 | y = -y; | |
9982 | } | |
9983 | pos |= y << CURSOR_Y_SHIFT; | |
9984 | ||
4b0e333e | 9985 | if (base == 0 && intel_crtc->cursor_base == 0) |
cda4b7d3 CW |
9986 | return; |
9987 | ||
5efb3e28 VS |
9988 | I915_WRITE(CURPOS(pipe), pos); |
9989 | ||
4398ad45 VS |
9990 | /* ILK+ do this automagically */ |
9991 | if (HAS_GMCH_DISPLAY(dev) && | |
8e7d688b | 9992 | crtc->cursor->state->rotation == BIT(DRM_ROTATE_180)) { |
9b4101be ML |
9993 | base += (cursor_state->crtc_h * |
9994 | cursor_state->crtc_w - 1) * 4; | |
4398ad45 VS |
9995 | } |
9996 | ||
8ac54669 | 9997 | if (IS_845G(dev) || IS_I865G(dev)) |
5efb3e28 VS |
9998 | i845_update_cursor(crtc, base); |
9999 | else | |
10000 | i9xx_update_cursor(crtc, base); | |
cda4b7d3 CW |
10001 | } |
10002 | ||
dc41c154 VS |
10003 | static bool cursor_size_ok(struct drm_device *dev, |
10004 | uint32_t width, uint32_t height) | |
10005 | { | |
10006 | if (width == 0 || height == 0) | |
10007 | return false; | |
10008 | ||
10009 | /* | |
10010 | * 845g/865g are special in that they are only limited by | |
10011 | * the width of their cursors, the height is arbitrary up to | |
10012 | * the precision of the register. Everything else requires | |
10013 | * square cursors, limited to a few power-of-two sizes. | |
10014 | */ | |
10015 | if (IS_845G(dev) || IS_I865G(dev)) { | |
10016 | if ((width & 63) != 0) | |
10017 | return false; | |
10018 | ||
10019 | if (width > (IS_845G(dev) ? 64 : 512)) | |
10020 | return false; | |
10021 | ||
10022 | if (height > 1023) | |
10023 | return false; | |
10024 | } else { | |
10025 | switch (width | height) { | |
10026 | case 256: | |
10027 | case 128: | |
10028 | if (IS_GEN2(dev)) | |
10029 | return false; | |
10030 | case 64: | |
10031 | break; | |
10032 | default: | |
10033 | return false; | |
10034 | } | |
10035 | } | |
10036 | ||
10037 | return true; | |
10038 | } | |
10039 | ||
79e53945 | 10040 | static void intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, |
7203425a | 10041 | u16 *blue, uint32_t start, uint32_t size) |
79e53945 | 10042 | { |
7203425a | 10043 | int end = (start + size > 256) ? 256 : start + size, i; |
79e53945 | 10044 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
79e53945 | 10045 | |
7203425a | 10046 | for (i = start; i < end; i++) { |
79e53945 JB |
10047 | intel_crtc->lut_r[i] = red[i] >> 8; |
10048 | intel_crtc->lut_g[i] = green[i] >> 8; | |
10049 | intel_crtc->lut_b[i] = blue[i] >> 8; | |
10050 | } | |
10051 | ||
10052 | intel_crtc_load_lut(crtc); | |
10053 | } | |
10054 | ||
79e53945 JB |
10055 | /* VESA 640x480x72Hz mode to set on the pipe */ |
10056 | static struct drm_display_mode load_detect_mode = { | |
10057 | DRM_MODE("640x480", DRM_MODE_TYPE_DEFAULT, 31500, 640, 664, | |
10058 | 704, 832, 0, 480, 489, 491, 520, 0, DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC), | |
10059 | }; | |
10060 | ||
a8bb6818 DV |
10061 | struct drm_framebuffer * |
10062 | __intel_framebuffer_create(struct drm_device *dev, | |
10063 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10064 | struct drm_i915_gem_object *obj) | |
d2dff872 CW |
10065 | { |
10066 | struct intel_framebuffer *intel_fb; | |
10067 | int ret; | |
10068 | ||
10069 | intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); | |
dcb1394e | 10070 | if (!intel_fb) |
d2dff872 | 10071 | return ERR_PTR(-ENOMEM); |
d2dff872 CW |
10072 | |
10073 | ret = intel_framebuffer_init(dev, intel_fb, mode_cmd, obj); | |
dd4916c5 DV |
10074 | if (ret) |
10075 | goto err; | |
d2dff872 CW |
10076 | |
10077 | return &intel_fb->base; | |
dcb1394e | 10078 | |
dd4916c5 | 10079 | err: |
dd4916c5 | 10080 | kfree(intel_fb); |
dd4916c5 | 10081 | return ERR_PTR(ret); |
d2dff872 CW |
10082 | } |
10083 | ||
b5ea642a | 10084 | static struct drm_framebuffer * |
a8bb6818 DV |
10085 | intel_framebuffer_create(struct drm_device *dev, |
10086 | struct drm_mode_fb_cmd2 *mode_cmd, | |
10087 | struct drm_i915_gem_object *obj) | |
10088 | { | |
10089 | struct drm_framebuffer *fb; | |
10090 | int ret; | |
10091 | ||
10092 | ret = i915_mutex_lock_interruptible(dev); | |
10093 | if (ret) | |
10094 | return ERR_PTR(ret); | |
10095 | fb = __intel_framebuffer_create(dev, mode_cmd, obj); | |
10096 | mutex_unlock(&dev->struct_mutex); | |
10097 | ||
10098 | return fb; | |
10099 | } | |
10100 | ||
d2dff872 CW |
10101 | static u32 |
10102 | intel_framebuffer_pitch_for_width(int width, int bpp) | |
10103 | { | |
10104 | u32 pitch = DIV_ROUND_UP(width * bpp, 8); | |
10105 | return ALIGN(pitch, 64); | |
10106 | } | |
10107 | ||
10108 | static u32 | |
10109 | intel_framebuffer_size_for_mode(struct drm_display_mode *mode, int bpp) | |
10110 | { | |
10111 | u32 pitch = intel_framebuffer_pitch_for_width(mode->hdisplay, bpp); | |
1267a26b | 10112 | return PAGE_ALIGN(pitch * mode->vdisplay); |
d2dff872 CW |
10113 | } |
10114 | ||
10115 | static struct drm_framebuffer * | |
10116 | intel_framebuffer_create_for_mode(struct drm_device *dev, | |
10117 | struct drm_display_mode *mode, | |
10118 | int depth, int bpp) | |
10119 | { | |
dcb1394e | 10120 | struct drm_framebuffer *fb; |
d2dff872 | 10121 | struct drm_i915_gem_object *obj; |
0fed39bd | 10122 | struct drm_mode_fb_cmd2 mode_cmd = { 0 }; |
d2dff872 CW |
10123 | |
10124 | obj = i915_gem_alloc_object(dev, | |
10125 | intel_framebuffer_size_for_mode(mode, bpp)); | |
10126 | if (obj == NULL) | |
10127 | return ERR_PTR(-ENOMEM); | |
10128 | ||
10129 | mode_cmd.width = mode->hdisplay; | |
10130 | mode_cmd.height = mode->vdisplay; | |
308e5bcb JB |
10131 | mode_cmd.pitches[0] = intel_framebuffer_pitch_for_width(mode_cmd.width, |
10132 | bpp); | |
5ca0c34a | 10133 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth); |
d2dff872 | 10134 | |
dcb1394e LW |
10135 | fb = intel_framebuffer_create(dev, &mode_cmd, obj); |
10136 | if (IS_ERR(fb)) | |
10137 | drm_gem_object_unreference_unlocked(&obj->base); | |
10138 | ||
10139 | return fb; | |
d2dff872 CW |
10140 | } |
10141 | ||
10142 | static struct drm_framebuffer * | |
10143 | mode_fits_in_fbdev(struct drm_device *dev, | |
10144 | struct drm_display_mode *mode) | |
10145 | { | |
0695726e | 10146 | #ifdef CONFIG_DRM_FBDEV_EMULATION |
d2dff872 CW |
10147 | struct drm_i915_private *dev_priv = dev->dev_private; |
10148 | struct drm_i915_gem_object *obj; | |
10149 | struct drm_framebuffer *fb; | |
10150 | ||
4c0e5528 | 10151 | if (!dev_priv->fbdev) |
d2dff872 CW |
10152 | return NULL; |
10153 | ||
4c0e5528 | 10154 | if (!dev_priv->fbdev->fb) |
d2dff872 CW |
10155 | return NULL; |
10156 | ||
4c0e5528 DV |
10157 | obj = dev_priv->fbdev->fb->obj; |
10158 | BUG_ON(!obj); | |
10159 | ||
8bcd4553 | 10160 | fb = &dev_priv->fbdev->fb->base; |
01f2c773 VS |
10161 | if (fb->pitches[0] < intel_framebuffer_pitch_for_width(mode->hdisplay, |
10162 | fb->bits_per_pixel)) | |
d2dff872 CW |
10163 | return NULL; |
10164 | ||
01f2c773 | 10165 | if (obj->base.size < mode->vdisplay * fb->pitches[0]) |
d2dff872 CW |
10166 | return NULL; |
10167 | ||
10168 | return fb; | |
4520f53a DV |
10169 | #else |
10170 | return NULL; | |
10171 | #endif | |
d2dff872 CW |
10172 | } |
10173 | ||
d3a40d1b ACO |
10174 | static int intel_modeset_setup_plane_state(struct drm_atomic_state *state, |
10175 | struct drm_crtc *crtc, | |
10176 | struct drm_display_mode *mode, | |
10177 | struct drm_framebuffer *fb, | |
10178 | int x, int y) | |
10179 | { | |
10180 | struct drm_plane_state *plane_state; | |
10181 | int hdisplay, vdisplay; | |
10182 | int ret; | |
10183 | ||
10184 | plane_state = drm_atomic_get_plane_state(state, crtc->primary); | |
10185 | if (IS_ERR(plane_state)) | |
10186 | return PTR_ERR(plane_state); | |
10187 | ||
10188 | if (mode) | |
10189 | drm_crtc_get_hv_timing(mode, &hdisplay, &vdisplay); | |
10190 | else | |
10191 | hdisplay = vdisplay = 0; | |
10192 | ||
10193 | ret = drm_atomic_set_crtc_for_plane(plane_state, fb ? crtc : NULL); | |
10194 | if (ret) | |
10195 | return ret; | |
10196 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
10197 | plane_state->crtc_x = 0; | |
10198 | plane_state->crtc_y = 0; | |
10199 | plane_state->crtc_w = hdisplay; | |
10200 | plane_state->crtc_h = vdisplay; | |
10201 | plane_state->src_x = x << 16; | |
10202 | plane_state->src_y = y << 16; | |
10203 | plane_state->src_w = hdisplay << 16; | |
10204 | plane_state->src_h = vdisplay << 16; | |
10205 | ||
10206 | return 0; | |
10207 | } | |
10208 | ||
d2434ab7 | 10209 | bool intel_get_load_detect_pipe(struct drm_connector *connector, |
7173188d | 10210 | struct drm_display_mode *mode, |
51fd371b RC |
10211 | struct intel_load_detect_pipe *old, |
10212 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 JB |
10213 | { |
10214 | struct intel_crtc *intel_crtc; | |
d2434ab7 DV |
10215 | struct intel_encoder *intel_encoder = |
10216 | intel_attached_encoder(connector); | |
79e53945 | 10217 | struct drm_crtc *possible_crtc; |
4ef69c7a | 10218 | struct drm_encoder *encoder = &intel_encoder->base; |
79e53945 JB |
10219 | struct drm_crtc *crtc = NULL; |
10220 | struct drm_device *dev = encoder->dev; | |
94352cf9 | 10221 | struct drm_framebuffer *fb; |
51fd371b | 10222 | struct drm_mode_config *config = &dev->mode_config; |
83a57153 | 10223 | struct drm_atomic_state *state = NULL; |
944b0c76 | 10224 | struct drm_connector_state *connector_state; |
4be07317 | 10225 | struct intel_crtc_state *crtc_state; |
51fd371b | 10226 | int ret, i = -1; |
79e53945 | 10227 | |
d2dff872 | 10228 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s], [ENCODER:%d:%s]\n", |
c23cc417 | 10229 | connector->base.id, connector->name, |
8e329a03 | 10230 | encoder->base.id, encoder->name); |
d2dff872 | 10231 | |
51fd371b RC |
10232 | retry: |
10233 | ret = drm_modeset_lock(&config->connection_mutex, ctx); | |
10234 | if (ret) | |
ad3c558f | 10235 | goto fail; |
6e9f798d | 10236 | |
79e53945 JB |
10237 | /* |
10238 | * Algorithm gets a little messy: | |
7a5e4805 | 10239 | * |
79e53945 JB |
10240 | * - if the connector already has an assigned crtc, use it (but make |
10241 | * sure it's on first) | |
7a5e4805 | 10242 | * |
79e53945 JB |
10243 | * - try to find the first unused crtc that can drive this connector, |
10244 | * and use that if we find one | |
79e53945 JB |
10245 | */ |
10246 | ||
10247 | /* See if we already have a CRTC for this connector */ | |
10248 | if (encoder->crtc) { | |
10249 | crtc = encoder->crtc; | |
8261b191 | 10250 | |
51fd371b | 10251 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
4d02e2de | 10252 | if (ret) |
ad3c558f | 10253 | goto fail; |
4d02e2de | 10254 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); |
51fd371b | 10255 | if (ret) |
ad3c558f | 10256 | goto fail; |
7b24056b | 10257 | |
24218aac | 10258 | old->dpms_mode = connector->dpms; |
8261b191 CW |
10259 | old->load_detect_temp = false; |
10260 | ||
10261 | /* Make sure the crtc and connector are running */ | |
24218aac DV |
10262 | if (connector->dpms != DRM_MODE_DPMS_ON) |
10263 | connector->funcs->dpms(connector, DRM_MODE_DPMS_ON); | |
8261b191 | 10264 | |
7173188d | 10265 | return true; |
79e53945 JB |
10266 | } |
10267 | ||
10268 | /* Find an unused one (if possible) */ | |
70e1e0ec | 10269 | for_each_crtc(dev, possible_crtc) { |
79e53945 JB |
10270 | i++; |
10271 | if (!(encoder->possible_crtcs & (1 << i))) | |
10272 | continue; | |
83d65738 | 10273 | if (possible_crtc->state->enable) |
a459249c | 10274 | continue; |
a459249c VS |
10275 | |
10276 | crtc = possible_crtc; | |
10277 | break; | |
79e53945 JB |
10278 | } |
10279 | ||
10280 | /* | |
10281 | * If we didn't find an unused CRTC, don't use any. | |
10282 | */ | |
10283 | if (!crtc) { | |
7173188d | 10284 | DRM_DEBUG_KMS("no pipe available for load-detect\n"); |
ad3c558f | 10285 | goto fail; |
79e53945 JB |
10286 | } |
10287 | ||
51fd371b RC |
10288 | ret = drm_modeset_lock(&crtc->mutex, ctx); |
10289 | if (ret) | |
ad3c558f | 10290 | goto fail; |
4d02e2de DV |
10291 | ret = drm_modeset_lock(&crtc->primary->mutex, ctx); |
10292 | if (ret) | |
ad3c558f | 10293 | goto fail; |
79e53945 JB |
10294 | |
10295 | intel_crtc = to_intel_crtc(crtc); | |
24218aac | 10296 | old->dpms_mode = connector->dpms; |
8261b191 | 10297 | old->load_detect_temp = true; |
d2dff872 | 10298 | old->release_fb = NULL; |
79e53945 | 10299 | |
83a57153 ACO |
10300 | state = drm_atomic_state_alloc(dev); |
10301 | if (!state) | |
10302 | return false; | |
10303 | ||
10304 | state->acquire_ctx = ctx; | |
10305 | ||
944b0c76 ACO |
10306 | connector_state = drm_atomic_get_connector_state(state, connector); |
10307 | if (IS_ERR(connector_state)) { | |
10308 | ret = PTR_ERR(connector_state); | |
10309 | goto fail; | |
10310 | } | |
10311 | ||
10312 | connector_state->crtc = crtc; | |
10313 | connector_state->best_encoder = &intel_encoder->base; | |
10314 | ||
4be07317 ACO |
10315 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
10316 | if (IS_ERR(crtc_state)) { | |
10317 | ret = PTR_ERR(crtc_state); | |
10318 | goto fail; | |
10319 | } | |
10320 | ||
49d6fa21 | 10321 | crtc_state->base.active = crtc_state->base.enable = true; |
4be07317 | 10322 | |
6492711d CW |
10323 | if (!mode) |
10324 | mode = &load_detect_mode; | |
79e53945 | 10325 | |
d2dff872 CW |
10326 | /* We need a framebuffer large enough to accommodate all accesses |
10327 | * that the plane may generate whilst we perform load detection. | |
10328 | * We can not rely on the fbcon either being present (we get called | |
10329 | * during its initialisation to detect all boot displays, or it may | |
10330 | * not even exist) or that it is large enough to satisfy the | |
10331 | * requested mode. | |
10332 | */ | |
94352cf9 DV |
10333 | fb = mode_fits_in_fbdev(dev, mode); |
10334 | if (fb == NULL) { | |
d2dff872 | 10335 | DRM_DEBUG_KMS("creating tmp fb for load-detection\n"); |
94352cf9 DV |
10336 | fb = intel_framebuffer_create_for_mode(dev, mode, 24, 32); |
10337 | old->release_fb = fb; | |
d2dff872 CW |
10338 | } else |
10339 | DRM_DEBUG_KMS("reusing fbdev for load-detection framebuffer\n"); | |
94352cf9 | 10340 | if (IS_ERR(fb)) { |
d2dff872 | 10341 | DRM_DEBUG_KMS("failed to allocate framebuffer for load-detection\n"); |
412b61d8 | 10342 | goto fail; |
79e53945 | 10343 | } |
79e53945 | 10344 | |
d3a40d1b ACO |
10345 | ret = intel_modeset_setup_plane_state(state, crtc, mode, fb, 0, 0); |
10346 | if (ret) | |
10347 | goto fail; | |
10348 | ||
8c7b5ccb ACO |
10349 | drm_mode_copy(&crtc_state->base.mode, mode); |
10350 | ||
74c090b1 | 10351 | if (drm_atomic_commit(state)) { |
6492711d | 10352 | DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n"); |
d2dff872 CW |
10353 | if (old->release_fb) |
10354 | old->release_fb->funcs->destroy(old->release_fb); | |
412b61d8 | 10355 | goto fail; |
79e53945 | 10356 | } |
9128b040 | 10357 | crtc->primary->crtc = crtc; |
7173188d | 10358 | |
79e53945 | 10359 | /* let the connector get through one full cycle before testing */ |
9d0498a2 | 10360 | intel_wait_for_vblank(dev, intel_crtc->pipe); |
7173188d | 10361 | return true; |
412b61d8 | 10362 | |
ad3c558f | 10363 | fail: |
e5d958ef ACO |
10364 | drm_atomic_state_free(state); |
10365 | state = NULL; | |
83a57153 | 10366 | |
51fd371b RC |
10367 | if (ret == -EDEADLK) { |
10368 | drm_modeset_backoff(ctx); | |
10369 | goto retry; | |
10370 | } | |
10371 | ||
412b61d8 | 10372 | return false; |
79e53945 JB |
10373 | } |
10374 | ||
d2434ab7 | 10375 | void intel_release_load_detect_pipe(struct drm_connector *connector, |
49172fee ACO |
10376 | struct intel_load_detect_pipe *old, |
10377 | struct drm_modeset_acquire_ctx *ctx) | |
79e53945 | 10378 | { |
83a57153 | 10379 | struct drm_device *dev = connector->dev; |
d2434ab7 DV |
10380 | struct intel_encoder *intel_encoder = |
10381 | intel_attached_encoder(connector); | |
4ef69c7a | 10382 | struct drm_encoder *encoder = &intel_encoder->base; |
7b24056b | 10383 | struct drm_crtc *crtc = encoder->crtc; |
412b61d8 | 10384 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
83a57153 | 10385 | struct drm_atomic_state *state; |
944b0c76 | 10386 | struct drm_connector_state *connector_state; |
4be07317 | 10387 | struct intel_crtc_state *crtc_state; |
d3a40d1b | 10388 | int ret; |
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 | |
8261b191 | 10394 | if (old->load_detect_temp) { |
83a57153 | 10395 | state = drm_atomic_state_alloc(dev); |
944b0c76 ACO |
10396 | if (!state) |
10397 | goto fail; | |
83a57153 ACO |
10398 | |
10399 | state->acquire_ctx = ctx; | |
10400 | ||
944b0c76 ACO |
10401 | connector_state = drm_atomic_get_connector_state(state, connector); |
10402 | if (IS_ERR(connector_state)) | |
10403 | goto fail; | |
10404 | ||
4be07317 ACO |
10405 | crtc_state = intel_atomic_get_crtc_state(state, intel_crtc); |
10406 | if (IS_ERR(crtc_state)) | |
10407 | goto fail; | |
10408 | ||
944b0c76 ACO |
10409 | connector_state->best_encoder = NULL; |
10410 | connector_state->crtc = NULL; | |
10411 | ||
49d6fa21 | 10412 | crtc_state->base.enable = crtc_state->base.active = false; |
4be07317 | 10413 | |
d3a40d1b ACO |
10414 | ret = intel_modeset_setup_plane_state(state, crtc, NULL, NULL, |
10415 | 0, 0); | |
10416 | if (ret) | |
10417 | goto fail; | |
10418 | ||
74c090b1 | 10419 | ret = drm_atomic_commit(state); |
2bfb4627 ACO |
10420 | if (ret) |
10421 | goto fail; | |
d2dff872 | 10422 | |
36206361 DV |
10423 | if (old->release_fb) { |
10424 | drm_framebuffer_unregister_private(old->release_fb); | |
10425 | drm_framebuffer_unreference(old->release_fb); | |
10426 | } | |
d2dff872 | 10427 | |
0622a53c | 10428 | return; |
79e53945 JB |
10429 | } |
10430 | ||
c751ce4f | 10431 | /* Switch crtc and encoder back off if necessary */ |
24218aac DV |
10432 | if (old->dpms_mode != DRM_MODE_DPMS_ON) |
10433 | connector->funcs->dpms(connector, old->dpms_mode); | |
944b0c76 ACO |
10434 | |
10435 | return; | |
10436 | fail: | |
10437 | DRM_DEBUG_KMS("Couldn't release load detect pipe.\n"); | |
10438 | drm_atomic_state_free(state); | |
79e53945 JB |
10439 | } |
10440 | ||
da4a1efa | 10441 | static int i9xx_pll_refclk(struct drm_device *dev, |
5cec258b | 10442 | const struct intel_crtc_state *pipe_config) |
da4a1efa VS |
10443 | { |
10444 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10445 | u32 dpll = pipe_config->dpll_hw_state.dpll; | |
10446 | ||
10447 | if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN) | |
e91e941b | 10448 | return dev_priv->vbt.lvds_ssc_freq; |
da4a1efa VS |
10449 | else if (HAS_PCH_SPLIT(dev)) |
10450 | return 120000; | |
10451 | else if (!IS_GEN2(dev)) | |
10452 | return 96000; | |
10453 | else | |
10454 | return 48000; | |
10455 | } | |
10456 | ||
79e53945 | 10457 | /* Returns the clock of the currently programmed mode of the given pipe. */ |
f1f644dc | 10458 | static void i9xx_crtc_clock_get(struct intel_crtc *crtc, |
5cec258b | 10459 | struct intel_crtc_state *pipe_config) |
79e53945 | 10460 | { |
f1f644dc | 10461 | struct drm_device *dev = crtc->base.dev; |
79e53945 | 10462 | struct drm_i915_private *dev_priv = dev->dev_private; |
f1f644dc | 10463 | int pipe = pipe_config->cpu_transcoder; |
293623f7 | 10464 | u32 dpll = pipe_config->dpll_hw_state.dpll; |
79e53945 JB |
10465 | u32 fp; |
10466 | intel_clock_t clock; | |
dccbea3b | 10467 | int port_clock; |
da4a1efa | 10468 | int refclk = i9xx_pll_refclk(dev, pipe_config); |
79e53945 JB |
10469 | |
10470 | if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0) | |
293623f7 | 10471 | fp = pipe_config->dpll_hw_state.fp0; |
79e53945 | 10472 | else |
293623f7 | 10473 | fp = pipe_config->dpll_hw_state.fp1; |
79e53945 JB |
10474 | |
10475 | clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT; | |
f2b115e6 AJ |
10476 | if (IS_PINEVIEW(dev)) { |
10477 | clock.n = ffs((fp & FP_N_PINEVIEW_DIV_MASK) >> FP_N_DIV_SHIFT) - 1; | |
10478 | clock.m2 = (fp & FP_M2_PINEVIEW_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
2177832f SL |
10479 | } else { |
10480 | clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT; | |
10481 | clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT; | |
10482 | } | |
10483 | ||
a6c45cf0 | 10484 | if (!IS_GEN2(dev)) { |
f2b115e6 AJ |
10485 | if (IS_PINEVIEW(dev)) |
10486 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_PINEVIEW) >> | |
10487 | DPLL_FPA01_P1_POST_DIV_SHIFT_PINEVIEW); | |
2177832f SL |
10488 | else |
10489 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >> | |
79e53945 JB |
10490 | DPLL_FPA01_P1_POST_DIV_SHIFT); |
10491 | ||
10492 | switch (dpll & DPLL_MODE_MASK) { | |
10493 | case DPLLB_MODE_DAC_SERIAL: | |
10494 | clock.p2 = dpll & DPLL_DAC_SERIAL_P2_CLOCK_DIV_5 ? | |
10495 | 5 : 10; | |
10496 | break; | |
10497 | case DPLLB_MODE_LVDS: | |
10498 | clock.p2 = dpll & DPLLB_LVDS_P2_CLOCK_DIV_7 ? | |
10499 | 7 : 14; | |
10500 | break; | |
10501 | default: | |
28c97730 | 10502 | DRM_DEBUG_KMS("Unknown DPLL mode %08x in programmed " |
79e53945 | 10503 | "mode\n", (int)(dpll & DPLL_MODE_MASK)); |
f1f644dc | 10504 | return; |
79e53945 JB |
10505 | } |
10506 | ||
ac58c3f0 | 10507 | if (IS_PINEVIEW(dev)) |
dccbea3b | 10508 | port_clock = pnv_calc_dpll_params(refclk, &clock); |
ac58c3f0 | 10509 | else |
dccbea3b | 10510 | port_clock = i9xx_calc_dpll_params(refclk, &clock); |
79e53945 | 10511 | } else { |
0fb58223 | 10512 | u32 lvds = IS_I830(dev) ? 0 : I915_READ(LVDS); |
b1c560d1 | 10513 | bool is_lvds = (pipe == 1) && (lvds & LVDS_PORT_EN); |
79e53945 JB |
10514 | |
10515 | if (is_lvds) { | |
10516 | clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >> | |
10517 | DPLL_FPA01_P1_POST_DIV_SHIFT); | |
b1c560d1 VS |
10518 | |
10519 | if (lvds & LVDS_CLKB_POWER_UP) | |
10520 | clock.p2 = 7; | |
10521 | else | |
10522 | clock.p2 = 14; | |
79e53945 JB |
10523 | } else { |
10524 | if (dpll & PLL_P1_DIVIDE_BY_TWO) | |
10525 | clock.p1 = 2; | |
10526 | else { | |
10527 | clock.p1 = ((dpll & DPLL_FPA01_P1_POST_DIV_MASK_I830) >> | |
10528 | DPLL_FPA01_P1_POST_DIV_SHIFT) + 2; | |
10529 | } | |
10530 | if (dpll & PLL_P2_DIVIDE_BY_4) | |
10531 | clock.p2 = 4; | |
10532 | else | |
10533 | clock.p2 = 2; | |
79e53945 | 10534 | } |
da4a1efa | 10535 | |
dccbea3b | 10536 | port_clock = i9xx_calc_dpll_params(refclk, &clock); |
79e53945 JB |
10537 | } |
10538 | ||
18442d08 VS |
10539 | /* |
10540 | * This value includes pixel_multiplier. We will use | |
241bfc38 | 10541 | * port_clock to compute adjusted_mode.crtc_clock in the |
18442d08 VS |
10542 | * encoder's get_config() function. |
10543 | */ | |
dccbea3b | 10544 | pipe_config->port_clock = port_clock; |
f1f644dc JB |
10545 | } |
10546 | ||
6878da05 VS |
10547 | int intel_dotclock_calculate(int link_freq, |
10548 | const struct intel_link_m_n *m_n) | |
f1f644dc | 10549 | { |
f1f644dc JB |
10550 | /* |
10551 | * The calculation for the data clock is: | |
1041a02f | 10552 | * pixel_clock = ((m/n)*(link_clock * nr_lanes))/bpp |
f1f644dc | 10553 | * But we want to avoid losing precison if possible, so: |
1041a02f | 10554 | * pixel_clock = ((m * link_clock * nr_lanes)/(n*bpp)) |
f1f644dc JB |
10555 | * |
10556 | * and the link clock is simpler: | |
1041a02f | 10557 | * link_clock = (m * link_clock) / n |
f1f644dc JB |
10558 | */ |
10559 | ||
6878da05 VS |
10560 | if (!m_n->link_n) |
10561 | return 0; | |
f1f644dc | 10562 | |
6878da05 VS |
10563 | return div_u64((u64)m_n->link_m * link_freq, m_n->link_n); |
10564 | } | |
f1f644dc | 10565 | |
18442d08 | 10566 | static void ironlake_pch_clock_get(struct intel_crtc *crtc, |
5cec258b | 10567 | struct intel_crtc_state *pipe_config) |
6878da05 VS |
10568 | { |
10569 | struct drm_device *dev = crtc->base.dev; | |
79e53945 | 10570 | |
18442d08 VS |
10571 | /* read out port_clock from the DPLL */ |
10572 | i9xx_crtc_clock_get(crtc, pipe_config); | |
f1f644dc | 10573 | |
f1f644dc | 10574 | /* |
18442d08 | 10575 | * This value does not include pixel_multiplier. |
241bfc38 | 10576 | * We will check that port_clock and adjusted_mode.crtc_clock |
18442d08 VS |
10577 | * agree once we know their relationship in the encoder's |
10578 | * get_config() function. | |
79e53945 | 10579 | */ |
2d112de7 | 10580 | pipe_config->base.adjusted_mode.crtc_clock = |
18442d08 VS |
10581 | intel_dotclock_calculate(intel_fdi_link_freq(dev) * 10000, |
10582 | &pipe_config->fdi_m_n); | |
79e53945 JB |
10583 | } |
10584 | ||
10585 | /** Returns the currently programmed mode of the given pipe. */ | |
10586 | struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, | |
10587 | struct drm_crtc *crtc) | |
10588 | { | |
548f245b | 10589 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 10590 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
6e3c9717 | 10591 | enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder; |
79e53945 | 10592 | struct drm_display_mode *mode; |
5cec258b | 10593 | struct intel_crtc_state pipe_config; |
fe2b8f9d PZ |
10594 | int htot = I915_READ(HTOTAL(cpu_transcoder)); |
10595 | int hsync = I915_READ(HSYNC(cpu_transcoder)); | |
10596 | int vtot = I915_READ(VTOTAL(cpu_transcoder)); | |
10597 | int vsync = I915_READ(VSYNC(cpu_transcoder)); | |
293623f7 | 10598 | enum pipe pipe = intel_crtc->pipe; |
79e53945 JB |
10599 | |
10600 | mode = kzalloc(sizeof(*mode), GFP_KERNEL); | |
10601 | if (!mode) | |
10602 | return NULL; | |
10603 | ||
f1f644dc JB |
10604 | /* |
10605 | * Construct a pipe_config sufficient for getting the clock info | |
10606 | * back out of crtc_clock_get. | |
10607 | * | |
10608 | * Note, if LVDS ever uses a non-1 pixel multiplier, we'll need | |
10609 | * to use a real value here instead. | |
10610 | */ | |
293623f7 | 10611 | pipe_config.cpu_transcoder = (enum transcoder) pipe; |
f1f644dc | 10612 | pipe_config.pixel_multiplier = 1; |
293623f7 VS |
10613 | pipe_config.dpll_hw_state.dpll = I915_READ(DPLL(pipe)); |
10614 | pipe_config.dpll_hw_state.fp0 = I915_READ(FP0(pipe)); | |
10615 | pipe_config.dpll_hw_state.fp1 = I915_READ(FP1(pipe)); | |
f1f644dc JB |
10616 | i9xx_crtc_clock_get(intel_crtc, &pipe_config); |
10617 | ||
773ae034 | 10618 | mode->clock = pipe_config.port_clock / pipe_config.pixel_multiplier; |
79e53945 JB |
10619 | mode->hdisplay = (htot & 0xffff) + 1; |
10620 | mode->htotal = ((htot & 0xffff0000) >> 16) + 1; | |
10621 | mode->hsync_start = (hsync & 0xffff) + 1; | |
10622 | mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1; | |
10623 | mode->vdisplay = (vtot & 0xffff) + 1; | |
10624 | mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1; | |
10625 | mode->vsync_start = (vsync & 0xffff) + 1; | |
10626 | mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1; | |
10627 | ||
10628 | drm_mode_set_name(mode); | |
79e53945 JB |
10629 | |
10630 | return mode; | |
10631 | } | |
10632 | ||
f047e395 CW |
10633 | void intel_mark_busy(struct drm_device *dev) |
10634 | { | |
c67a470b PZ |
10635 | struct drm_i915_private *dev_priv = dev->dev_private; |
10636 | ||
f62a0076 CW |
10637 | if (dev_priv->mm.busy) |
10638 | return; | |
10639 | ||
43694d69 | 10640 | intel_runtime_pm_get(dev_priv); |
c67a470b | 10641 | i915_update_gfx_val(dev_priv); |
43cf3bf0 CW |
10642 | if (INTEL_INFO(dev)->gen >= 6) |
10643 | gen6_rps_busy(dev_priv); | |
f62a0076 | 10644 | dev_priv->mm.busy = true; |
f047e395 CW |
10645 | } |
10646 | ||
10647 | void intel_mark_idle(struct drm_device *dev) | |
652c393a | 10648 | { |
c67a470b | 10649 | struct drm_i915_private *dev_priv = dev->dev_private; |
652c393a | 10650 | |
f62a0076 CW |
10651 | if (!dev_priv->mm.busy) |
10652 | return; | |
10653 | ||
10654 | dev_priv->mm.busy = false; | |
10655 | ||
3d13ef2e | 10656 | if (INTEL_INFO(dev)->gen >= 6) |
b29c19b6 | 10657 | gen6_rps_idle(dev->dev_private); |
bb4cdd53 | 10658 | |
43694d69 | 10659 | intel_runtime_pm_put(dev_priv); |
652c393a JB |
10660 | } |
10661 | ||
79e53945 JB |
10662 | static void intel_crtc_destroy(struct drm_crtc *crtc) |
10663 | { | |
10664 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
67e77c5a DV |
10665 | struct drm_device *dev = crtc->dev; |
10666 | struct intel_unpin_work *work; | |
67e77c5a | 10667 | |
5e2d7afc | 10668 | spin_lock_irq(&dev->event_lock); |
67e77c5a DV |
10669 | work = intel_crtc->unpin_work; |
10670 | intel_crtc->unpin_work = NULL; | |
5e2d7afc | 10671 | spin_unlock_irq(&dev->event_lock); |
67e77c5a DV |
10672 | |
10673 | if (work) { | |
10674 | cancel_work_sync(&work->work); | |
10675 | kfree(work); | |
10676 | } | |
79e53945 JB |
10677 | |
10678 | drm_crtc_cleanup(crtc); | |
67e77c5a | 10679 | |
79e53945 JB |
10680 | kfree(intel_crtc); |
10681 | } | |
10682 | ||
6b95a207 KH |
10683 | static void intel_unpin_work_fn(struct work_struct *__work) |
10684 | { | |
10685 | struct intel_unpin_work *work = | |
10686 | container_of(__work, struct intel_unpin_work, work); | |
a9ff8714 VS |
10687 | struct intel_crtc *crtc = to_intel_crtc(work->crtc); |
10688 | struct drm_device *dev = crtc->base.dev; | |
10689 | struct drm_plane *primary = crtc->base.primary; | |
6b95a207 | 10690 | |
b4a98e57 | 10691 | mutex_lock(&dev->struct_mutex); |
a9ff8714 | 10692 | intel_unpin_fb_obj(work->old_fb, primary->state); |
05394f39 | 10693 | drm_gem_object_unreference(&work->pending_flip_obj->base); |
d9e86c0e | 10694 | |
f06cc1b9 | 10695 | if (work->flip_queued_req) |
146d84f0 | 10696 | i915_gem_request_assign(&work->flip_queued_req, NULL); |
b4a98e57 CW |
10697 | mutex_unlock(&dev->struct_mutex); |
10698 | ||
a9ff8714 | 10699 | intel_frontbuffer_flip_complete(dev, to_intel_plane(primary)->frontbuffer_bit); |
89ed88ba | 10700 | drm_framebuffer_unreference(work->old_fb); |
f99d7069 | 10701 | |
a9ff8714 VS |
10702 | BUG_ON(atomic_read(&crtc->unpin_work_count) == 0); |
10703 | atomic_dec(&crtc->unpin_work_count); | |
b4a98e57 | 10704 | |
6b95a207 KH |
10705 | kfree(work); |
10706 | } | |
10707 | ||
1afe3e9d | 10708 | static void do_intel_finish_page_flip(struct drm_device *dev, |
49b14a5c | 10709 | struct drm_crtc *crtc) |
6b95a207 | 10710 | { |
6b95a207 KH |
10711 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
10712 | struct intel_unpin_work *work; | |
6b95a207 KH |
10713 | unsigned long flags; |
10714 | ||
10715 | /* Ignore early vblank irqs */ | |
10716 | if (intel_crtc == NULL) | |
10717 | return; | |
10718 | ||
f326038a DV |
10719 | /* |
10720 | * This is called both by irq handlers and the reset code (to complete | |
10721 | * lost pageflips) so needs the full irqsave spinlocks. | |
10722 | */ | |
6b95a207 KH |
10723 | spin_lock_irqsave(&dev->event_lock, flags); |
10724 | work = intel_crtc->unpin_work; | |
e7d841ca CW |
10725 | |
10726 | /* Ensure we don't miss a work->pending update ... */ | |
10727 | smp_rmb(); | |
10728 | ||
10729 | if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) { | |
6b95a207 KH |
10730 | spin_unlock_irqrestore(&dev->event_lock, flags); |
10731 | return; | |
10732 | } | |
10733 | ||
d6bbafa1 | 10734 | page_flip_completed(intel_crtc); |
0af7e4df | 10735 | |
6b95a207 | 10736 | spin_unlock_irqrestore(&dev->event_lock, flags); |
6b95a207 KH |
10737 | } |
10738 | ||
1afe3e9d JB |
10739 | void intel_finish_page_flip(struct drm_device *dev, int pipe) |
10740 | { | |
fbee40df | 10741 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
10742 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; |
10743 | ||
49b14a5c | 10744 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
10745 | } |
10746 | ||
10747 | void intel_finish_page_flip_plane(struct drm_device *dev, int plane) | |
10748 | { | |
fbee40df | 10749 | struct drm_i915_private *dev_priv = dev->dev_private; |
1afe3e9d JB |
10750 | struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane]; |
10751 | ||
49b14a5c | 10752 | do_intel_finish_page_flip(dev, crtc); |
1afe3e9d JB |
10753 | } |
10754 | ||
75f7f3ec VS |
10755 | /* Is 'a' after or equal to 'b'? */ |
10756 | static bool g4x_flip_count_after_eq(u32 a, u32 b) | |
10757 | { | |
10758 | return !((a - b) & 0x80000000); | |
10759 | } | |
10760 | ||
10761 | static bool page_flip_finished(struct intel_crtc *crtc) | |
10762 | { | |
10763 | struct drm_device *dev = crtc->base.dev; | |
10764 | struct drm_i915_private *dev_priv = dev->dev_private; | |
10765 | ||
bdfa7542 VS |
10766 | if (i915_reset_in_progress(&dev_priv->gpu_error) || |
10767 | crtc->reset_counter != atomic_read(&dev_priv->gpu_error.reset_counter)) | |
10768 | return true; | |
10769 | ||
75f7f3ec VS |
10770 | /* |
10771 | * The relevant registers doen't exist on pre-ctg. | |
10772 | * As the flip done interrupt doesn't trigger for mmio | |
10773 | * flips on gmch platforms, a flip count check isn't | |
10774 | * really needed there. But since ctg has the registers, | |
10775 | * include it in the check anyway. | |
10776 | */ | |
10777 | if (INTEL_INFO(dev)->gen < 5 && !IS_G4X(dev)) | |
10778 | return true; | |
10779 | ||
10780 | /* | |
10781 | * A DSPSURFLIVE check isn't enough in case the mmio and CS flips | |
10782 | * used the same base address. In that case the mmio flip might | |
10783 | * have completed, but the CS hasn't even executed the flip yet. | |
10784 | * | |
10785 | * A flip count check isn't enough as the CS might have updated | |
10786 | * the base address just after start of vblank, but before we | |
10787 | * managed to process the interrupt. This means we'd complete the | |
10788 | * CS flip too soon. | |
10789 | * | |
10790 | * Combining both checks should get us a good enough result. It may | |
10791 | * still happen that the CS flip has been executed, but has not | |
10792 | * yet actually completed. But in case the base address is the same | |
10793 | * anyway, we don't really care. | |
10794 | */ | |
10795 | return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) == | |
10796 | crtc->unpin_work->gtt_offset && | |
fd8f507c | 10797 | g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_G4X(crtc->pipe)), |
75f7f3ec VS |
10798 | crtc->unpin_work->flip_count); |
10799 | } | |
10800 | ||
6b95a207 KH |
10801 | void intel_prepare_page_flip(struct drm_device *dev, int plane) |
10802 | { | |
fbee40df | 10803 | struct drm_i915_private *dev_priv = dev->dev_private; |
6b95a207 KH |
10804 | struct intel_crtc *intel_crtc = |
10805 | to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]); | |
10806 | unsigned long flags; | |
10807 | ||
f326038a DV |
10808 | |
10809 | /* | |
10810 | * This is called both by irq handlers and the reset code (to complete | |
10811 | * lost pageflips) so needs the full irqsave spinlocks. | |
10812 | * | |
10813 | * NB: An MMIO update of the plane base pointer will also | |
e7d841ca CW |
10814 | * generate a page-flip completion irq, i.e. every modeset |
10815 | * is also accompanied by a spurious intel_prepare_page_flip(). | |
10816 | */ | |
6b95a207 | 10817 | spin_lock_irqsave(&dev->event_lock, flags); |
75f7f3ec | 10818 | if (intel_crtc->unpin_work && page_flip_finished(intel_crtc)) |
e7d841ca | 10819 | atomic_inc_not_zero(&intel_crtc->unpin_work->pending); |
6b95a207 KH |
10820 | spin_unlock_irqrestore(&dev->event_lock, flags); |
10821 | } | |
10822 | ||
6042639c | 10823 | static inline void intel_mark_page_flip_active(struct intel_unpin_work *work) |
e7d841ca CW |
10824 | { |
10825 | /* Ensure that the work item is consistent when activating it ... */ | |
10826 | smp_wmb(); | |
6042639c | 10827 | atomic_set(&work->pending, INTEL_FLIP_PENDING); |
e7d841ca CW |
10828 | /* and that it is marked active as soon as the irq could fire. */ |
10829 | smp_wmb(); | |
10830 | } | |
10831 | ||
8c9f3aaf JB |
10832 | static int intel_gen2_queue_flip(struct drm_device *dev, |
10833 | struct drm_crtc *crtc, | |
10834 | struct drm_framebuffer *fb, | |
ed8d1975 | 10835 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10836 | struct drm_i915_gem_request *req, |
ed8d1975 | 10837 | uint32_t flags) |
8c9f3aaf | 10838 | { |
6258fbe2 | 10839 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf | 10840 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
10841 | u32 flip_mask; |
10842 | int ret; | |
10843 | ||
5fb9de1a | 10844 | ret = intel_ring_begin(req, 6); |
8c9f3aaf | 10845 | if (ret) |
4fa62c89 | 10846 | return ret; |
8c9f3aaf JB |
10847 | |
10848 | /* Can't queue multiple flips, so wait for the previous | |
10849 | * one to finish before executing the next. | |
10850 | */ | |
10851 | if (intel_crtc->plane) | |
10852 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
10853 | else | |
10854 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
10855 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
10856 | intel_ring_emit(ring, MI_NOOP); | |
10857 | intel_ring_emit(ring, MI_DISPLAY_FLIP | | |
10858 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10859 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10860 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 | 10861 | intel_ring_emit(ring, 0); /* aux display base address, unused */ |
e7d841ca | 10862 | |
6042639c | 10863 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 10864 | return 0; |
8c9f3aaf JB |
10865 | } |
10866 | ||
10867 | static int intel_gen3_queue_flip(struct drm_device *dev, | |
10868 | struct drm_crtc *crtc, | |
10869 | struct drm_framebuffer *fb, | |
ed8d1975 | 10870 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10871 | struct drm_i915_gem_request *req, |
ed8d1975 | 10872 | uint32_t flags) |
8c9f3aaf | 10873 | { |
6258fbe2 | 10874 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf | 10875 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
8c9f3aaf JB |
10876 | u32 flip_mask; |
10877 | int ret; | |
10878 | ||
5fb9de1a | 10879 | ret = intel_ring_begin(req, 6); |
8c9f3aaf | 10880 | if (ret) |
4fa62c89 | 10881 | return ret; |
8c9f3aaf JB |
10882 | |
10883 | if (intel_crtc->plane) | |
10884 | flip_mask = MI_WAIT_FOR_PLANE_B_FLIP; | |
10885 | else | |
10886 | flip_mask = MI_WAIT_FOR_PLANE_A_FLIP; | |
6d90c952 DV |
10887 | intel_ring_emit(ring, MI_WAIT_FOR_EVENT | flip_mask); |
10888 | intel_ring_emit(ring, MI_NOOP); | |
10889 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | | |
10890 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10891 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10892 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
6d90c952 DV |
10893 | intel_ring_emit(ring, MI_NOOP); |
10894 | ||
6042639c | 10895 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 10896 | return 0; |
8c9f3aaf JB |
10897 | } |
10898 | ||
10899 | static int intel_gen4_queue_flip(struct drm_device *dev, | |
10900 | struct drm_crtc *crtc, | |
10901 | struct drm_framebuffer *fb, | |
ed8d1975 | 10902 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10903 | struct drm_i915_gem_request *req, |
ed8d1975 | 10904 | uint32_t flags) |
8c9f3aaf | 10905 | { |
6258fbe2 | 10906 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf JB |
10907 | struct drm_i915_private *dev_priv = dev->dev_private; |
10908 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10909 | uint32_t pf, pipesrc; | |
10910 | int ret; | |
10911 | ||
5fb9de1a | 10912 | ret = intel_ring_begin(req, 4); |
8c9f3aaf | 10913 | if (ret) |
4fa62c89 | 10914 | return ret; |
8c9f3aaf JB |
10915 | |
10916 | /* i965+ uses the linear or tiled offsets from the | |
10917 | * Display Registers (which do not change across a page-flip) | |
10918 | * so we need only reprogram the base address. | |
10919 | */ | |
6d90c952 DV |
10920 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
10921 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10922 | intel_ring_emit(ring, fb->pitches[0]); | |
75f7f3ec | 10923 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset | |
c2c75131 | 10924 | obj->tiling_mode); |
8c9f3aaf JB |
10925 | |
10926 | /* XXX Enabling the panel-fitter across page-flip is so far | |
10927 | * untested on non-native modes, so ignore it for now. | |
10928 | * pf = I915_READ(pipe == 0 ? PFA_CTL_1 : PFB_CTL_1) & PF_ENABLE; | |
10929 | */ | |
10930 | pf = 0; | |
10931 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; | |
6d90c952 | 10932 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca | 10933 | |
6042639c | 10934 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 10935 | return 0; |
8c9f3aaf JB |
10936 | } |
10937 | ||
10938 | static int intel_gen6_queue_flip(struct drm_device *dev, | |
10939 | struct drm_crtc *crtc, | |
10940 | struct drm_framebuffer *fb, | |
ed8d1975 | 10941 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10942 | struct drm_i915_gem_request *req, |
ed8d1975 | 10943 | uint32_t flags) |
8c9f3aaf | 10944 | { |
6258fbe2 | 10945 | struct intel_engine_cs *ring = req->ring; |
8c9f3aaf JB |
10946 | struct drm_i915_private *dev_priv = dev->dev_private; |
10947 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
10948 | uint32_t pf, pipesrc; | |
10949 | int ret; | |
10950 | ||
5fb9de1a | 10951 | ret = intel_ring_begin(req, 4); |
8c9f3aaf | 10952 | if (ret) |
4fa62c89 | 10953 | return ret; |
8c9f3aaf | 10954 | |
6d90c952 DV |
10955 | intel_ring_emit(ring, MI_DISPLAY_FLIP | |
10956 | MI_DISPLAY_FLIP_PLANE(intel_crtc->plane)); | |
10957 | intel_ring_emit(ring, fb->pitches[0] | obj->tiling_mode); | |
75f7f3ec | 10958 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
8c9f3aaf | 10959 | |
dc257cf1 DV |
10960 | /* Contrary to the suggestions in the documentation, |
10961 | * "Enable Panel Fitter" does not seem to be required when page | |
10962 | * flipping with a non-native mode, and worse causes a normal | |
10963 | * modeset to fail. | |
10964 | * pf = I915_READ(PF_CTL(intel_crtc->pipe)) & PF_ENABLE; | |
10965 | */ | |
10966 | pf = 0; | |
8c9f3aaf | 10967 | pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff; |
6d90c952 | 10968 | intel_ring_emit(ring, pf | pipesrc); |
e7d841ca | 10969 | |
6042639c | 10970 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 10971 | return 0; |
8c9f3aaf JB |
10972 | } |
10973 | ||
7c9017e5 JB |
10974 | static int intel_gen7_queue_flip(struct drm_device *dev, |
10975 | struct drm_crtc *crtc, | |
10976 | struct drm_framebuffer *fb, | |
ed8d1975 | 10977 | struct drm_i915_gem_object *obj, |
6258fbe2 | 10978 | struct drm_i915_gem_request *req, |
ed8d1975 | 10979 | uint32_t flags) |
7c9017e5 | 10980 | { |
6258fbe2 | 10981 | struct intel_engine_cs *ring = req->ring; |
7c9017e5 | 10982 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cb05d8de | 10983 | uint32_t plane_bit = 0; |
ffe74d75 CW |
10984 | int len, ret; |
10985 | ||
eba905b2 | 10986 | switch (intel_crtc->plane) { |
cb05d8de DV |
10987 | case PLANE_A: |
10988 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_A; | |
10989 | break; | |
10990 | case PLANE_B: | |
10991 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_B; | |
10992 | break; | |
10993 | case PLANE_C: | |
10994 | plane_bit = MI_DISPLAY_FLIP_IVB_PLANE_C; | |
10995 | break; | |
10996 | default: | |
10997 | WARN_ONCE(1, "unknown plane in flip command\n"); | |
4fa62c89 | 10998 | return -ENODEV; |
cb05d8de DV |
10999 | } |
11000 | ||
ffe74d75 | 11001 | len = 4; |
f476828a | 11002 | if (ring->id == RCS) { |
ffe74d75 | 11003 | len += 6; |
f476828a DL |
11004 | /* |
11005 | * On Gen 8, SRM is now taking an extra dword to accommodate | |
11006 | * 48bits addresses, and we need a NOOP for the batch size to | |
11007 | * stay even. | |
11008 | */ | |
11009 | if (IS_GEN8(dev)) | |
11010 | len += 2; | |
11011 | } | |
ffe74d75 | 11012 | |
f66fab8e VS |
11013 | /* |
11014 | * BSpec MI_DISPLAY_FLIP for IVB: | |
11015 | * "The full packet must be contained within the same cache line." | |
11016 | * | |
11017 | * Currently the LRI+SRM+MI_DISPLAY_FLIP all fit within the same | |
11018 | * cacheline, if we ever start emitting more commands before | |
11019 | * the MI_DISPLAY_FLIP we may need to first emit everything else, | |
11020 | * then do the cacheline alignment, and finally emit the | |
11021 | * MI_DISPLAY_FLIP. | |
11022 | */ | |
bba09b12 | 11023 | ret = intel_ring_cacheline_align(req); |
f66fab8e | 11024 | if (ret) |
4fa62c89 | 11025 | return ret; |
f66fab8e | 11026 | |
5fb9de1a | 11027 | ret = intel_ring_begin(req, len); |
7c9017e5 | 11028 | if (ret) |
4fa62c89 | 11029 | return ret; |
7c9017e5 | 11030 | |
ffe74d75 CW |
11031 | /* Unmask the flip-done completion message. Note that the bspec says that |
11032 | * we should do this for both the BCS and RCS, and that we must not unmask | |
11033 | * more than one flip event at any time (or ensure that one flip message | |
11034 | * can be sent by waiting for flip-done prior to queueing new flips). | |
11035 | * Experimentation says that BCS works despite DERRMR masking all | |
11036 | * flip-done completion events and that unmasking all planes at once | |
11037 | * for the RCS also doesn't appear to drop events. Setting the DERRMR | |
11038 | * to zero does lead to lockups within MI_DISPLAY_FLIP. | |
11039 | */ | |
11040 | if (ring->id == RCS) { | |
11041 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); | |
11042 | intel_ring_emit(ring, DERRMR); | |
11043 | intel_ring_emit(ring, ~(DERRMR_PIPEA_PRI_FLIP_DONE | | |
11044 | DERRMR_PIPEB_PRI_FLIP_DONE | | |
11045 | DERRMR_PIPEC_PRI_FLIP_DONE)); | |
f476828a | 11046 | if (IS_GEN8(dev)) |
f1afe24f | 11047 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM_GEN8 | |
f476828a DL |
11048 | MI_SRM_LRM_GLOBAL_GTT); |
11049 | else | |
f1afe24f | 11050 | intel_ring_emit(ring, MI_STORE_REGISTER_MEM | |
f476828a | 11051 | MI_SRM_LRM_GLOBAL_GTT); |
ffe74d75 CW |
11052 | intel_ring_emit(ring, DERRMR); |
11053 | intel_ring_emit(ring, ring->scratch.gtt_offset + 256); | |
f476828a DL |
11054 | if (IS_GEN8(dev)) { |
11055 | intel_ring_emit(ring, 0); | |
11056 | intel_ring_emit(ring, MI_NOOP); | |
11057 | } | |
ffe74d75 CW |
11058 | } |
11059 | ||
cb05d8de | 11060 | intel_ring_emit(ring, MI_DISPLAY_FLIP_I915 | plane_bit); |
01f2c773 | 11061 | intel_ring_emit(ring, (fb->pitches[0] | obj->tiling_mode)); |
75f7f3ec | 11062 | intel_ring_emit(ring, intel_crtc->unpin_work->gtt_offset); |
7c9017e5 | 11063 | intel_ring_emit(ring, (MI_NOOP)); |
e7d841ca | 11064 | |
6042639c | 11065 | intel_mark_page_flip_active(intel_crtc->unpin_work); |
83d4092b | 11066 | return 0; |
7c9017e5 JB |
11067 | } |
11068 | ||
84c33a64 SG |
11069 | static bool use_mmio_flip(struct intel_engine_cs *ring, |
11070 | struct drm_i915_gem_object *obj) | |
11071 | { | |
11072 | /* | |
11073 | * This is not being used for older platforms, because | |
11074 | * non-availability of flip done interrupt forces us to use | |
11075 | * CS flips. Older platforms derive flip done using some clever | |
11076 | * tricks involving the flip_pending status bits and vblank irqs. | |
11077 | * So using MMIO flips there would disrupt this mechanism. | |
11078 | */ | |
11079 | ||
8e09bf83 CW |
11080 | if (ring == NULL) |
11081 | return true; | |
11082 | ||
84c33a64 SG |
11083 | if (INTEL_INFO(ring->dev)->gen < 5) |
11084 | return false; | |
11085 | ||
11086 | if (i915.use_mmio_flip < 0) | |
11087 | return false; | |
11088 | else if (i915.use_mmio_flip > 0) | |
11089 | return true; | |
14bf993e OM |
11090 | else if (i915.enable_execlists) |
11091 | return true; | |
84c33a64 | 11092 | else |
b4716185 | 11093 | return ring != i915_gem_request_get_ring(obj->last_write_req); |
84c33a64 SG |
11094 | } |
11095 | ||
6042639c | 11096 | static void skl_do_mmio_flip(struct intel_crtc *intel_crtc, |
86efe24a | 11097 | unsigned int rotation, |
6042639c | 11098 | struct intel_unpin_work *work) |
ff944564 DL |
11099 | { |
11100 | struct drm_device *dev = intel_crtc->base.dev; | |
11101 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11102 | struct drm_framebuffer *fb = intel_crtc->base.primary->fb; | |
ff944564 | 11103 | const enum pipe pipe = intel_crtc->pipe; |
86efe24a | 11104 | u32 ctl, stride, tile_height; |
ff944564 DL |
11105 | |
11106 | ctl = I915_READ(PLANE_CTL(pipe, 0)); | |
11107 | ctl &= ~PLANE_CTL_TILED_MASK; | |
2ebef630 TU |
11108 | switch (fb->modifier[0]) { |
11109 | case DRM_FORMAT_MOD_NONE: | |
11110 | break; | |
11111 | case I915_FORMAT_MOD_X_TILED: | |
ff944564 | 11112 | ctl |= PLANE_CTL_TILED_X; |
2ebef630 TU |
11113 | break; |
11114 | case I915_FORMAT_MOD_Y_TILED: | |
11115 | ctl |= PLANE_CTL_TILED_Y; | |
11116 | break; | |
11117 | case I915_FORMAT_MOD_Yf_TILED: | |
11118 | ctl |= PLANE_CTL_TILED_YF; | |
11119 | break; | |
11120 | default: | |
11121 | MISSING_CASE(fb->modifier[0]); | |
11122 | } | |
ff944564 DL |
11123 | |
11124 | /* | |
11125 | * The stride is either expressed as a multiple of 64 bytes chunks for | |
11126 | * linear buffers or in number of tiles for tiled buffers. | |
11127 | */ | |
86efe24a TU |
11128 | if (intel_rotation_90_or_270(rotation)) { |
11129 | /* stride = Surface height in tiles */ | |
11130 | tile_height = intel_tile_height(dev, fb->pixel_format, | |
11131 | fb->modifier[0], 0); | |
11132 | stride = DIV_ROUND_UP(fb->height, tile_height); | |
11133 | } else { | |
11134 | stride = fb->pitches[0] / | |
11135 | intel_fb_stride_alignment(dev, fb->modifier[0], | |
11136 | fb->pixel_format); | |
11137 | } | |
ff944564 DL |
11138 | |
11139 | /* | |
11140 | * Both PLANE_CTL and PLANE_STRIDE are not updated on vblank but on | |
11141 | * PLANE_SURF updates, the update is then guaranteed to be atomic. | |
11142 | */ | |
11143 | I915_WRITE(PLANE_CTL(pipe, 0), ctl); | |
11144 | I915_WRITE(PLANE_STRIDE(pipe, 0), stride); | |
11145 | ||
6042639c | 11146 | I915_WRITE(PLANE_SURF(pipe, 0), work->gtt_offset); |
ff944564 DL |
11147 | POSTING_READ(PLANE_SURF(pipe, 0)); |
11148 | } | |
11149 | ||
6042639c CW |
11150 | static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc, |
11151 | struct intel_unpin_work *work) | |
84c33a64 SG |
11152 | { |
11153 | struct drm_device *dev = intel_crtc->base.dev; | |
11154 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11155 | struct intel_framebuffer *intel_fb = | |
11156 | to_intel_framebuffer(intel_crtc->base.primary->fb); | |
11157 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
11158 | u32 dspcntr; | |
11159 | u32 reg; | |
11160 | ||
84c33a64 SG |
11161 | reg = DSPCNTR(intel_crtc->plane); |
11162 | dspcntr = I915_READ(reg); | |
11163 | ||
c5d97472 DL |
11164 | if (obj->tiling_mode != I915_TILING_NONE) |
11165 | dspcntr |= DISPPLANE_TILED; | |
11166 | else | |
11167 | dspcntr &= ~DISPPLANE_TILED; | |
11168 | ||
84c33a64 SG |
11169 | I915_WRITE(reg, dspcntr); |
11170 | ||
6042639c | 11171 | I915_WRITE(DSPSURF(intel_crtc->plane), work->gtt_offset); |
84c33a64 | 11172 | POSTING_READ(DSPSURF(intel_crtc->plane)); |
ff944564 DL |
11173 | } |
11174 | ||
11175 | /* | |
11176 | * XXX: This is the temporary way to update the plane registers until we get | |
11177 | * around to using the usual plane update functions for MMIO flips | |
11178 | */ | |
6042639c | 11179 | static void intel_do_mmio_flip(struct intel_mmio_flip *mmio_flip) |
ff944564 | 11180 | { |
6042639c CW |
11181 | struct intel_crtc *crtc = mmio_flip->crtc; |
11182 | struct intel_unpin_work *work; | |
11183 | ||
11184 | spin_lock_irq(&crtc->base.dev->event_lock); | |
11185 | work = crtc->unpin_work; | |
11186 | spin_unlock_irq(&crtc->base.dev->event_lock); | |
11187 | if (work == NULL) | |
11188 | return; | |
ff944564 | 11189 | |
6042639c | 11190 | intel_mark_page_flip_active(work); |
ff944564 | 11191 | |
6042639c | 11192 | intel_pipe_update_start(crtc); |
ff944564 | 11193 | |
6042639c | 11194 | if (INTEL_INFO(mmio_flip->i915)->gen >= 9) |
86efe24a | 11195 | skl_do_mmio_flip(crtc, mmio_flip->rotation, work); |
ff944564 DL |
11196 | else |
11197 | /* use_mmio_flip() retricts MMIO flips to ilk+ */ | |
6042639c | 11198 | ilk_do_mmio_flip(crtc, work); |
ff944564 | 11199 | |
6042639c | 11200 | intel_pipe_update_end(crtc); |
84c33a64 SG |
11201 | } |
11202 | ||
9362c7c5 | 11203 | static void intel_mmio_flip_work_func(struct work_struct *work) |
84c33a64 | 11204 | { |
b2cfe0ab CW |
11205 | struct intel_mmio_flip *mmio_flip = |
11206 | container_of(work, struct intel_mmio_flip, work); | |
84c33a64 | 11207 | |
6042639c | 11208 | if (mmio_flip->req) { |
eed29a5b | 11209 | WARN_ON(__i915_wait_request(mmio_flip->req, |
b2cfe0ab | 11210 | mmio_flip->crtc->reset_counter, |
bcafc4e3 CW |
11211 | false, NULL, |
11212 | &mmio_flip->i915->rps.mmioflips)); | |
6042639c CW |
11213 | i915_gem_request_unreference__unlocked(mmio_flip->req); |
11214 | } | |
84c33a64 | 11215 | |
6042639c | 11216 | intel_do_mmio_flip(mmio_flip); |
b2cfe0ab | 11217 | kfree(mmio_flip); |
84c33a64 SG |
11218 | } |
11219 | ||
11220 | static int intel_queue_mmio_flip(struct drm_device *dev, | |
11221 | struct drm_crtc *crtc, | |
86efe24a | 11222 | struct drm_i915_gem_object *obj) |
84c33a64 | 11223 | { |
b2cfe0ab CW |
11224 | struct intel_mmio_flip *mmio_flip; |
11225 | ||
11226 | mmio_flip = kmalloc(sizeof(*mmio_flip), GFP_KERNEL); | |
11227 | if (mmio_flip == NULL) | |
11228 | return -ENOMEM; | |
84c33a64 | 11229 | |
bcafc4e3 | 11230 | mmio_flip->i915 = to_i915(dev); |
eed29a5b | 11231 | mmio_flip->req = i915_gem_request_reference(obj->last_write_req); |
b2cfe0ab | 11232 | mmio_flip->crtc = to_intel_crtc(crtc); |
86efe24a | 11233 | mmio_flip->rotation = crtc->primary->state->rotation; |
536f5b5e | 11234 | |
b2cfe0ab CW |
11235 | INIT_WORK(&mmio_flip->work, intel_mmio_flip_work_func); |
11236 | schedule_work(&mmio_flip->work); | |
84c33a64 | 11237 | |
84c33a64 SG |
11238 | return 0; |
11239 | } | |
11240 | ||
8c9f3aaf JB |
11241 | static int intel_default_queue_flip(struct drm_device *dev, |
11242 | struct drm_crtc *crtc, | |
11243 | struct drm_framebuffer *fb, | |
ed8d1975 | 11244 | struct drm_i915_gem_object *obj, |
6258fbe2 | 11245 | struct drm_i915_gem_request *req, |
ed8d1975 | 11246 | uint32_t flags) |
8c9f3aaf JB |
11247 | { |
11248 | return -ENODEV; | |
11249 | } | |
11250 | ||
d6bbafa1 CW |
11251 | static bool __intel_pageflip_stall_check(struct drm_device *dev, |
11252 | struct drm_crtc *crtc) | |
11253 | { | |
11254 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11255 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11256 | struct intel_unpin_work *work = intel_crtc->unpin_work; | |
11257 | u32 addr; | |
11258 | ||
11259 | if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE) | |
11260 | return true; | |
11261 | ||
908565c2 CW |
11262 | if (atomic_read(&work->pending) < INTEL_FLIP_PENDING) |
11263 | return false; | |
11264 | ||
d6bbafa1 CW |
11265 | if (!work->enable_stall_check) |
11266 | return false; | |
11267 | ||
11268 | if (work->flip_ready_vblank == 0) { | |
3a8a946e DV |
11269 | if (work->flip_queued_req && |
11270 | !i915_gem_request_completed(work->flip_queued_req, true)) | |
d6bbafa1 CW |
11271 | return false; |
11272 | ||
1e3feefd | 11273 | work->flip_ready_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 CW |
11274 | } |
11275 | ||
1e3feefd | 11276 | if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3) |
d6bbafa1 CW |
11277 | return false; |
11278 | ||
11279 | /* Potential stall - if we see that the flip has happened, | |
11280 | * assume a missed interrupt. */ | |
11281 | if (INTEL_INFO(dev)->gen >= 4) | |
11282 | addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane))); | |
11283 | else | |
11284 | addr = I915_READ(DSPADDR(intel_crtc->plane)); | |
11285 | ||
11286 | /* There is a potential issue here with a false positive after a flip | |
11287 | * to the same address. We could address this by checking for a | |
11288 | * non-incrementing frame counter. | |
11289 | */ | |
11290 | return addr == work->gtt_offset; | |
11291 | } | |
11292 | ||
11293 | void intel_check_page_flip(struct drm_device *dev, int pipe) | |
11294 | { | |
11295 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11296 | struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe]; | |
11297 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
6ad790c0 | 11298 | struct intel_unpin_work *work; |
f326038a | 11299 | |
6c51d46f | 11300 | WARN_ON(!in_interrupt()); |
d6bbafa1 CW |
11301 | |
11302 | if (crtc == NULL) | |
11303 | return; | |
11304 | ||
f326038a | 11305 | spin_lock(&dev->event_lock); |
6ad790c0 CW |
11306 | work = intel_crtc->unpin_work; |
11307 | if (work != NULL && __intel_pageflip_stall_check(dev, crtc)) { | |
d6bbafa1 | 11308 | WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n", |
6ad790c0 | 11309 | work->flip_queued_vblank, drm_vblank_count(dev, pipe)); |
d6bbafa1 | 11310 | page_flip_completed(intel_crtc); |
6ad790c0 | 11311 | work = NULL; |
d6bbafa1 | 11312 | } |
6ad790c0 CW |
11313 | if (work != NULL && |
11314 | drm_vblank_count(dev, pipe) - work->flip_queued_vblank > 1) | |
11315 | intel_queue_rps_boost_for_request(dev, work->flip_queued_req); | |
f326038a | 11316 | spin_unlock(&dev->event_lock); |
d6bbafa1 CW |
11317 | } |
11318 | ||
6b95a207 KH |
11319 | static int intel_crtc_page_flip(struct drm_crtc *crtc, |
11320 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
11321 | struct drm_pending_vblank_event *event, |
11322 | uint32_t page_flip_flags) | |
6b95a207 KH |
11323 | { |
11324 | struct drm_device *dev = crtc->dev; | |
11325 | struct drm_i915_private *dev_priv = dev->dev_private; | |
f4510a27 | 11326 | struct drm_framebuffer *old_fb = crtc->primary->fb; |
2ff8fde1 | 11327 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
6b95a207 | 11328 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
455a6808 | 11329 | struct drm_plane *primary = crtc->primary; |
a071fa00 | 11330 | enum pipe pipe = intel_crtc->pipe; |
6b95a207 | 11331 | struct intel_unpin_work *work; |
a4872ba6 | 11332 | struct intel_engine_cs *ring; |
cf5d8a46 | 11333 | bool mmio_flip; |
91af127f | 11334 | struct drm_i915_gem_request *request = NULL; |
52e68630 | 11335 | int ret; |
6b95a207 | 11336 | |
2ff8fde1 MR |
11337 | /* |
11338 | * drm_mode_page_flip_ioctl() should already catch this, but double | |
11339 | * check to be safe. In the future we may enable pageflipping from | |
11340 | * a disabled primary plane. | |
11341 | */ | |
11342 | if (WARN_ON(intel_fb_obj(old_fb) == NULL)) | |
11343 | return -EBUSY; | |
11344 | ||
e6a595d2 | 11345 | /* Can't change pixel format via MI display flips. */ |
f4510a27 | 11346 | if (fb->pixel_format != crtc->primary->fb->pixel_format) |
e6a595d2 VS |
11347 | return -EINVAL; |
11348 | ||
11349 | /* | |
11350 | * TILEOFF/LINOFF registers can't be changed via MI display flips. | |
11351 | * Note that pitch changes could also affect these register. | |
11352 | */ | |
11353 | if (INTEL_INFO(dev)->gen > 3 && | |
f4510a27 MR |
11354 | (fb->offsets[0] != crtc->primary->fb->offsets[0] || |
11355 | fb->pitches[0] != crtc->primary->fb->pitches[0])) | |
e6a595d2 VS |
11356 | return -EINVAL; |
11357 | ||
f900db47 CW |
11358 | if (i915_terminally_wedged(&dev_priv->gpu_error)) |
11359 | goto out_hang; | |
11360 | ||
b14c5679 | 11361 | work = kzalloc(sizeof(*work), GFP_KERNEL); |
6b95a207 KH |
11362 | if (work == NULL) |
11363 | return -ENOMEM; | |
11364 | ||
6b95a207 | 11365 | work->event = event; |
b4a98e57 | 11366 | work->crtc = crtc; |
ab8d6675 | 11367 | work->old_fb = old_fb; |
6b95a207 KH |
11368 | INIT_WORK(&work->work, intel_unpin_work_fn); |
11369 | ||
87b6b101 | 11370 | ret = drm_crtc_vblank_get(crtc); |
7317c75e JB |
11371 | if (ret) |
11372 | goto free_work; | |
11373 | ||
6b95a207 | 11374 | /* We borrow the event spin lock for protecting unpin_work */ |
5e2d7afc | 11375 | spin_lock_irq(&dev->event_lock); |
6b95a207 | 11376 | if (intel_crtc->unpin_work) { |
d6bbafa1 CW |
11377 | /* Before declaring the flip queue wedged, check if |
11378 | * the hardware completed the operation behind our backs. | |
11379 | */ | |
11380 | if (__intel_pageflip_stall_check(dev, crtc)) { | |
11381 | DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n"); | |
11382 | page_flip_completed(intel_crtc); | |
11383 | } else { | |
11384 | DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); | |
5e2d7afc | 11385 | spin_unlock_irq(&dev->event_lock); |
468f0b44 | 11386 | |
d6bbafa1 CW |
11387 | drm_crtc_vblank_put(crtc); |
11388 | kfree(work); | |
11389 | return -EBUSY; | |
11390 | } | |
6b95a207 KH |
11391 | } |
11392 | intel_crtc->unpin_work = work; | |
5e2d7afc | 11393 | spin_unlock_irq(&dev->event_lock); |
6b95a207 | 11394 | |
b4a98e57 CW |
11395 | if (atomic_read(&intel_crtc->unpin_work_count) >= 2) |
11396 | flush_workqueue(dev_priv->wq); | |
11397 | ||
75dfca80 | 11398 | /* Reference the objects for the scheduled work. */ |
ab8d6675 | 11399 | drm_framebuffer_reference(work->old_fb); |
05394f39 | 11400 | drm_gem_object_reference(&obj->base); |
6b95a207 | 11401 | |
f4510a27 | 11402 | crtc->primary->fb = fb; |
afd65eb4 | 11403 | update_state_fb(crtc->primary); |
1ed1f968 | 11404 | |
e1f99ce6 | 11405 | work->pending_flip_obj = obj; |
e1f99ce6 | 11406 | |
89ed88ba CW |
11407 | ret = i915_mutex_lock_interruptible(dev); |
11408 | if (ret) | |
11409 | goto cleanup; | |
11410 | ||
b4a98e57 | 11411 | atomic_inc(&intel_crtc->unpin_work_count); |
10d83730 | 11412 | intel_crtc->reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); |
e1f99ce6 | 11413 | |
75f7f3ec | 11414 | if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) |
fd8f507c | 11415 | work->flip_count = I915_READ(PIPE_FLIPCOUNT_G4X(pipe)) + 1; |
75f7f3ec | 11416 | |
4fa62c89 VS |
11417 | if (IS_VALLEYVIEW(dev)) { |
11418 | ring = &dev_priv->ring[BCS]; | |
ab8d6675 | 11419 | if (obj->tiling_mode != intel_fb_obj(work->old_fb)->tiling_mode) |
8e09bf83 CW |
11420 | /* vlv: DISPLAY_FLIP fails to change tiling */ |
11421 | ring = NULL; | |
48bf5b2d | 11422 | } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) { |
2a92d5bc | 11423 | ring = &dev_priv->ring[BCS]; |
4fa62c89 | 11424 | } else if (INTEL_INFO(dev)->gen >= 7) { |
b4716185 | 11425 | ring = i915_gem_request_get_ring(obj->last_write_req); |
4fa62c89 VS |
11426 | if (ring == NULL || ring->id != RCS) |
11427 | ring = &dev_priv->ring[BCS]; | |
11428 | } else { | |
11429 | ring = &dev_priv->ring[RCS]; | |
11430 | } | |
11431 | ||
cf5d8a46 CW |
11432 | mmio_flip = use_mmio_flip(ring, obj); |
11433 | ||
11434 | /* When using CS flips, we want to emit semaphores between rings. | |
11435 | * However, when using mmio flips we will create a task to do the | |
11436 | * synchronisation, so all we want here is to pin the framebuffer | |
11437 | * into the display plane and skip any waits. | |
11438 | */ | |
7580d774 ML |
11439 | if (!mmio_flip) { |
11440 | ret = i915_gem_object_sync(obj, ring, &request); | |
11441 | if (ret) | |
11442 | goto cleanup_pending; | |
11443 | } | |
11444 | ||
82bc3b2d | 11445 | ret = intel_pin_and_fence_fb_obj(crtc->primary, fb, |
7580d774 | 11446 | crtc->primary->state); |
8c9f3aaf JB |
11447 | if (ret) |
11448 | goto cleanup_pending; | |
6b95a207 | 11449 | |
dedf278c TU |
11450 | work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary), |
11451 | obj, 0); | |
11452 | work->gtt_offset += intel_crtc->dspaddr_offset; | |
4fa62c89 | 11453 | |
cf5d8a46 | 11454 | if (mmio_flip) { |
86efe24a | 11455 | ret = intel_queue_mmio_flip(dev, crtc, obj); |
d6bbafa1 CW |
11456 | if (ret) |
11457 | goto cleanup_unpin; | |
11458 | ||
f06cc1b9 JH |
11459 | i915_gem_request_assign(&work->flip_queued_req, |
11460 | obj->last_write_req); | |
d6bbafa1 | 11461 | } else { |
6258fbe2 JH |
11462 | if (!request) { |
11463 | ret = i915_gem_request_alloc(ring, ring->default_context, &request); | |
11464 | if (ret) | |
11465 | goto cleanup_unpin; | |
11466 | } | |
11467 | ||
11468 | ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, request, | |
d6bbafa1 CW |
11469 | page_flip_flags); |
11470 | if (ret) | |
11471 | goto cleanup_unpin; | |
11472 | ||
6258fbe2 | 11473 | i915_gem_request_assign(&work->flip_queued_req, request); |
d6bbafa1 CW |
11474 | } |
11475 | ||
91af127f | 11476 | if (request) |
75289874 | 11477 | i915_add_request_no_flush(request); |
91af127f | 11478 | |
1e3feefd | 11479 | work->flip_queued_vblank = drm_crtc_vblank_count(crtc); |
d6bbafa1 | 11480 | work->enable_stall_check = true; |
4fa62c89 | 11481 | |
ab8d6675 | 11482 | i915_gem_track_fb(intel_fb_obj(work->old_fb), obj, |
a9ff8714 | 11483 | to_intel_plane(primary)->frontbuffer_bit); |
c80ac854 | 11484 | mutex_unlock(&dev->struct_mutex); |
a071fa00 | 11485 | |
4e1e26f1 | 11486 | intel_fbc_disable_crtc(intel_crtc); |
a9ff8714 VS |
11487 | intel_frontbuffer_flip_prepare(dev, |
11488 | to_intel_plane(primary)->frontbuffer_bit); | |
6b95a207 | 11489 | |
e5510fac JB |
11490 | trace_i915_flip_request(intel_crtc->plane, obj); |
11491 | ||
6b95a207 | 11492 | return 0; |
96b099fd | 11493 | |
4fa62c89 | 11494 | cleanup_unpin: |
82bc3b2d | 11495 | intel_unpin_fb_obj(fb, crtc->primary->state); |
8c9f3aaf | 11496 | cleanup_pending: |
91af127f JH |
11497 | if (request) |
11498 | i915_gem_request_cancel(request); | |
b4a98e57 | 11499 | atomic_dec(&intel_crtc->unpin_work_count); |
89ed88ba CW |
11500 | mutex_unlock(&dev->struct_mutex); |
11501 | cleanup: | |
f4510a27 | 11502 | crtc->primary->fb = old_fb; |
afd65eb4 | 11503 | update_state_fb(crtc->primary); |
89ed88ba CW |
11504 | |
11505 | drm_gem_object_unreference_unlocked(&obj->base); | |
ab8d6675 | 11506 | drm_framebuffer_unreference(work->old_fb); |
96b099fd | 11507 | |
5e2d7afc | 11508 | spin_lock_irq(&dev->event_lock); |
96b099fd | 11509 | intel_crtc->unpin_work = NULL; |
5e2d7afc | 11510 | spin_unlock_irq(&dev->event_lock); |
96b099fd | 11511 | |
87b6b101 | 11512 | drm_crtc_vblank_put(crtc); |
7317c75e | 11513 | free_work: |
96b099fd CW |
11514 | kfree(work); |
11515 | ||
f900db47 | 11516 | if (ret == -EIO) { |
02e0efb5 ML |
11517 | struct drm_atomic_state *state; |
11518 | struct drm_plane_state *plane_state; | |
11519 | ||
f900db47 | 11520 | out_hang: |
02e0efb5 ML |
11521 | state = drm_atomic_state_alloc(dev); |
11522 | if (!state) | |
11523 | return -ENOMEM; | |
11524 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); | |
11525 | ||
11526 | retry: | |
11527 | plane_state = drm_atomic_get_plane_state(state, primary); | |
11528 | ret = PTR_ERR_OR_ZERO(plane_state); | |
11529 | if (!ret) { | |
11530 | drm_atomic_set_fb_for_plane(plane_state, fb); | |
11531 | ||
11532 | ret = drm_atomic_set_crtc_for_plane(plane_state, crtc); | |
11533 | if (!ret) | |
11534 | ret = drm_atomic_commit(state); | |
11535 | } | |
11536 | ||
11537 | if (ret == -EDEADLK) { | |
11538 | drm_modeset_backoff(state->acquire_ctx); | |
11539 | drm_atomic_state_clear(state); | |
11540 | goto retry; | |
11541 | } | |
11542 | ||
11543 | if (ret) | |
11544 | drm_atomic_state_free(state); | |
11545 | ||
f0d3dad3 | 11546 | if (ret == 0 && event) { |
5e2d7afc | 11547 | spin_lock_irq(&dev->event_lock); |
a071fa00 | 11548 | drm_send_vblank_event(dev, pipe, event); |
5e2d7afc | 11549 | spin_unlock_irq(&dev->event_lock); |
f0d3dad3 | 11550 | } |
f900db47 | 11551 | } |
96b099fd | 11552 | return ret; |
6b95a207 KH |
11553 | } |
11554 | ||
da20eabd ML |
11555 | |
11556 | /** | |
11557 | * intel_wm_need_update - Check whether watermarks need updating | |
11558 | * @plane: drm plane | |
11559 | * @state: new plane state | |
11560 | * | |
11561 | * Check current plane state versus the new one to determine whether | |
11562 | * watermarks need to be recalculated. | |
11563 | * | |
11564 | * Returns true or false. | |
11565 | */ | |
11566 | static bool intel_wm_need_update(struct drm_plane *plane, | |
11567 | struct drm_plane_state *state) | |
11568 | { | |
d21fbe87 MR |
11569 | struct intel_plane_state *new = to_intel_plane_state(state); |
11570 | struct intel_plane_state *cur = to_intel_plane_state(plane->state); | |
11571 | ||
11572 | /* Update watermarks on tiling or size changes. */ | |
da20eabd ML |
11573 | if (!plane->state->fb || !state->fb || |
11574 | plane->state->fb->modifier[0] != state->fb->modifier[0] || | |
d21fbe87 MR |
11575 | plane->state->rotation != state->rotation || |
11576 | drm_rect_width(&new->src) != drm_rect_width(&cur->src) || | |
11577 | drm_rect_height(&new->src) != drm_rect_height(&cur->src) || | |
11578 | drm_rect_width(&new->dst) != drm_rect_width(&cur->dst) || | |
11579 | drm_rect_height(&new->dst) != drm_rect_height(&cur->dst)) | |
2791a16c | 11580 | return true; |
7809e5ae | 11581 | |
2791a16c | 11582 | return false; |
7809e5ae MR |
11583 | } |
11584 | ||
d21fbe87 MR |
11585 | static bool needs_scaling(struct intel_plane_state *state) |
11586 | { | |
11587 | int src_w = drm_rect_width(&state->src) >> 16; | |
11588 | int src_h = drm_rect_height(&state->src) >> 16; | |
11589 | int dst_w = drm_rect_width(&state->dst); | |
11590 | int dst_h = drm_rect_height(&state->dst); | |
11591 | ||
11592 | return (src_w != dst_w || src_h != dst_h); | |
11593 | } | |
11594 | ||
da20eabd ML |
11595 | int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state, |
11596 | struct drm_plane_state *plane_state) | |
11597 | { | |
11598 | struct drm_crtc *crtc = crtc_state->crtc; | |
11599 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
11600 | struct drm_plane *plane = plane_state->plane; | |
11601 | struct drm_device *dev = crtc->dev; | |
11602 | struct drm_i915_private *dev_priv = dev->dev_private; | |
11603 | struct intel_plane_state *old_plane_state = | |
11604 | to_intel_plane_state(plane->state); | |
11605 | int idx = intel_crtc->base.base.id, ret; | |
11606 | int i = drm_plane_index(plane); | |
11607 | bool mode_changed = needs_modeset(crtc_state); | |
11608 | bool was_crtc_enabled = crtc->state->active; | |
11609 | bool is_crtc_enabled = crtc_state->active; | |
da20eabd ML |
11610 | bool turn_off, turn_on, visible, was_visible; |
11611 | struct drm_framebuffer *fb = plane_state->fb; | |
11612 | ||
11613 | if (crtc_state && INTEL_INFO(dev)->gen >= 9 && | |
11614 | plane->type != DRM_PLANE_TYPE_CURSOR) { | |
11615 | ret = skl_update_scaler_plane( | |
11616 | to_intel_crtc_state(crtc_state), | |
11617 | to_intel_plane_state(plane_state)); | |
11618 | if (ret) | |
11619 | return ret; | |
11620 | } | |
11621 | ||
da20eabd ML |
11622 | was_visible = old_plane_state->visible; |
11623 | visible = to_intel_plane_state(plane_state)->visible; | |
11624 | ||
11625 | if (!was_crtc_enabled && WARN_ON(was_visible)) | |
11626 | was_visible = false; | |
11627 | ||
11628 | if (!is_crtc_enabled && WARN_ON(visible)) | |
11629 | visible = false; | |
11630 | ||
11631 | if (!was_visible && !visible) | |
11632 | return 0; | |
11633 | ||
11634 | turn_off = was_visible && (!visible || mode_changed); | |
11635 | turn_on = visible && (!was_visible || mode_changed); | |
11636 | ||
11637 | DRM_DEBUG_ATOMIC("[CRTC:%i] has [PLANE:%i] with fb %i\n", idx, | |
11638 | plane->base.id, fb ? fb->base.id : -1); | |
11639 | ||
11640 | DRM_DEBUG_ATOMIC("[PLANE:%i] visible %i -> %i, off %i, on %i, ms %i\n", | |
11641 | plane->base.id, was_visible, visible, | |
11642 | turn_off, turn_on, mode_changed); | |
11643 | ||
852eb00d | 11644 | if (turn_on) { |
f015c551 | 11645 | intel_crtc->atomic.update_wm_pre = true; |
852eb00d VS |
11646 | /* must disable cxsr around plane enable/disable */ |
11647 | if (plane->type != DRM_PLANE_TYPE_CURSOR) { | |
11648 | intel_crtc->atomic.disable_cxsr = true; | |
11649 | /* to potentially re-enable cxsr */ | |
11650 | intel_crtc->atomic.wait_vblank = true; | |
11651 | intel_crtc->atomic.update_wm_post = true; | |
11652 | } | |
11653 | } else if (turn_off) { | |
f015c551 | 11654 | intel_crtc->atomic.update_wm_post = true; |
852eb00d VS |
11655 | /* must disable cxsr around plane enable/disable */ |
11656 | if (plane->type != DRM_PLANE_TYPE_CURSOR) { | |
11657 | if (is_crtc_enabled) | |
11658 | intel_crtc->atomic.wait_vblank = true; | |
11659 | intel_crtc->atomic.disable_cxsr = true; | |
11660 | } | |
11661 | } else if (intel_wm_need_update(plane, plane_state)) { | |
f015c551 | 11662 | intel_crtc->atomic.update_wm_pre = true; |
852eb00d | 11663 | } |
da20eabd | 11664 | |
8be6ca85 | 11665 | if (visible || was_visible) |
a9ff8714 VS |
11666 | intel_crtc->atomic.fb_bits |= |
11667 | to_intel_plane(plane)->frontbuffer_bit; | |
11668 | ||
da20eabd ML |
11669 | switch (plane->type) { |
11670 | case DRM_PLANE_TYPE_PRIMARY: | |
da20eabd ML |
11671 | intel_crtc->atomic.pre_disable_primary = turn_off; |
11672 | intel_crtc->atomic.post_enable_primary = turn_on; | |
11673 | ||
066cf55b RV |
11674 | if (turn_off) { |
11675 | /* | |
11676 | * FIXME: Actually if we will still have any other | |
11677 | * plane enabled on the pipe we could let IPS enabled | |
11678 | * still, but for now lets consider that when we make | |
11679 | * primary invisible by setting DSPCNTR to 0 on | |
11680 | * update_primary_plane function IPS needs to be | |
11681 | * disable. | |
11682 | */ | |
11683 | intel_crtc->atomic.disable_ips = true; | |
11684 | ||
da20eabd | 11685 | intel_crtc->atomic.disable_fbc = true; |
066cf55b | 11686 | } |
da20eabd ML |
11687 | |
11688 | /* | |
11689 | * FBC does not work on some platforms for rotated | |
11690 | * planes, so disable it when rotation is not 0 and | |
11691 | * update it when rotation is set back to 0. | |
11692 | * | |
11693 | * FIXME: This is redundant with the fbc update done in | |
11694 | * the primary plane enable function except that that | |
11695 | * one is done too late. We eventually need to unify | |
11696 | * this. | |
11697 | */ | |
11698 | ||
11699 | if (visible && | |
11700 | INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) && | |
11701 | dev_priv->fbc.crtc == intel_crtc && | |
11702 | plane_state->rotation != BIT(DRM_ROTATE_0)) | |
11703 | intel_crtc->atomic.disable_fbc = true; | |
11704 | ||
11705 | /* | |
11706 | * BDW signals flip done immediately if the plane | |
11707 | * is disabled, even if the plane enable is already | |
11708 | * armed to occur at the next vblank :( | |
11709 | */ | |
11710 | if (turn_on && IS_BROADWELL(dev)) | |
11711 | intel_crtc->atomic.wait_vblank = true; | |
11712 | ||
11713 | intel_crtc->atomic.update_fbc |= visible || mode_changed; | |
11714 | break; | |
11715 | case DRM_PLANE_TYPE_CURSOR: | |
da20eabd ML |
11716 | break; |
11717 | case DRM_PLANE_TYPE_OVERLAY: | |
d21fbe87 MR |
11718 | /* |
11719 | * WaCxSRDisabledForSpriteScaling:ivb | |
11720 | * | |
11721 | * cstate->update_wm was already set above, so this flag will | |
11722 | * take effect when we commit and program watermarks. | |
11723 | */ | |
11724 | if (IS_IVYBRIDGE(dev) && | |
11725 | needs_scaling(to_intel_plane_state(plane_state)) && | |
11726 | !needs_scaling(old_plane_state)) { | |
11727 | to_intel_crtc_state(crtc_state)->disable_lp_wm = true; | |
11728 | } else if (turn_off && !mode_changed) { | |
da20eabd ML |
11729 | intel_crtc->atomic.wait_vblank = true; |
11730 | intel_crtc->atomic.update_sprite_watermarks |= | |
11731 | 1 << i; | |
11732 | } | |
d21fbe87 MR |
11733 | |
11734 | break; | |
da20eabd ML |
11735 | } |
11736 | return 0; | |
11737 | } | |
11738 | ||
6d3a1ce7 ML |
11739 | static bool encoders_cloneable(const struct intel_encoder *a, |
11740 | const struct intel_encoder *b) | |
11741 | { | |
11742 | /* masks could be asymmetric, so check both ways */ | |
11743 | return a == b || (a->cloneable & (1 << b->type) && | |
11744 | b->cloneable & (1 << a->type)); | |
11745 | } | |
11746 | ||
11747 | static bool check_single_encoder_cloning(struct drm_atomic_state *state, | |
11748 | struct intel_crtc *crtc, | |
11749 | struct intel_encoder *encoder) | |
11750 | { | |
11751 | struct intel_encoder *source_encoder; | |
11752 | struct drm_connector *connector; | |
11753 | struct drm_connector_state *connector_state; | |
11754 | int i; | |
11755 | ||
11756 | for_each_connector_in_state(state, connector, connector_state, i) { | |
11757 | if (connector_state->crtc != &crtc->base) | |
11758 | continue; | |
11759 | ||
11760 | source_encoder = | |
11761 | to_intel_encoder(connector_state->best_encoder); | |
11762 | if (!encoders_cloneable(encoder, source_encoder)) | |
11763 | return false; | |
11764 | } | |
11765 | ||
11766 | return true; | |
11767 | } | |
11768 | ||
11769 | static bool check_encoder_cloning(struct drm_atomic_state *state, | |
11770 | struct intel_crtc *crtc) | |
11771 | { | |
11772 | struct intel_encoder *encoder; | |
11773 | struct drm_connector *connector; | |
11774 | struct drm_connector_state *connector_state; | |
11775 | int i; | |
11776 | ||
11777 | for_each_connector_in_state(state, connector, connector_state, i) { | |
11778 | if (connector_state->crtc != &crtc->base) | |
11779 | continue; | |
11780 | ||
11781 | encoder = to_intel_encoder(connector_state->best_encoder); | |
11782 | if (!check_single_encoder_cloning(state, crtc, encoder)) | |
11783 | return false; | |
11784 | } | |
11785 | ||
11786 | return true; | |
11787 | } | |
11788 | ||
11789 | static int intel_crtc_atomic_check(struct drm_crtc *crtc, | |
11790 | struct drm_crtc_state *crtc_state) | |
11791 | { | |
cf5a15be | 11792 | struct drm_device *dev = crtc->dev; |
ad421372 | 11793 | struct drm_i915_private *dev_priv = dev->dev_private; |
6d3a1ce7 | 11794 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
cf5a15be ML |
11795 | struct intel_crtc_state *pipe_config = |
11796 | to_intel_crtc_state(crtc_state); | |
6d3a1ce7 | 11797 | struct drm_atomic_state *state = crtc_state->state; |
4d20cd86 | 11798 | int ret; |
6d3a1ce7 ML |
11799 | bool mode_changed = needs_modeset(crtc_state); |
11800 | ||
11801 | if (mode_changed && !check_encoder_cloning(state, intel_crtc)) { | |
11802 | DRM_DEBUG_KMS("rejecting invalid cloning configuration\n"); | |
11803 | return -EINVAL; | |
11804 | } | |
11805 | ||
852eb00d VS |
11806 | if (mode_changed && !crtc_state->active) |
11807 | intel_crtc->atomic.update_wm_post = true; | |
eddfcbcd | 11808 | |
ad421372 ML |
11809 | if (mode_changed && crtc_state->enable && |
11810 | dev_priv->display.crtc_compute_clock && | |
11811 | !WARN_ON(pipe_config->shared_dpll != DPLL_ID_PRIVATE)) { | |
11812 | ret = dev_priv->display.crtc_compute_clock(intel_crtc, | |
11813 | pipe_config); | |
11814 | if (ret) | |
11815 | return ret; | |
11816 | } | |
11817 | ||
e435d6e5 | 11818 | ret = 0; |
86c8bbbe MR |
11819 | if (dev_priv->display.compute_pipe_wm) { |
11820 | ret = dev_priv->display.compute_pipe_wm(intel_crtc, state); | |
11821 | if (ret) | |
11822 | return ret; | |
11823 | } | |
11824 | ||
e435d6e5 ML |
11825 | if (INTEL_INFO(dev)->gen >= 9) { |
11826 | if (mode_changed) | |
11827 | ret = skl_update_scaler_crtc(pipe_config); | |
11828 | ||
11829 | if (!ret) | |
11830 | ret = intel_atomic_setup_scalers(dev, intel_crtc, | |
11831 | pipe_config); | |
11832 | } | |
11833 | ||
11834 | return ret; | |
6d3a1ce7 ML |
11835 | } |
11836 | ||
65b38e0d | 11837 | static const struct drm_crtc_helper_funcs intel_helper_funcs = { |
f6e5b160 CW |
11838 | .mode_set_base_atomic = intel_pipe_set_base_atomic, |
11839 | .load_lut = intel_crtc_load_lut, | |
ea2c67bb MR |
11840 | .atomic_begin = intel_begin_crtc_commit, |
11841 | .atomic_flush = intel_finish_crtc_commit, | |
6d3a1ce7 | 11842 | .atomic_check = intel_crtc_atomic_check, |
f6e5b160 CW |
11843 | }; |
11844 | ||
d29b2f9d ACO |
11845 | static void intel_modeset_update_connector_atomic_state(struct drm_device *dev) |
11846 | { | |
11847 | struct intel_connector *connector; | |
11848 | ||
11849 | for_each_intel_connector(dev, connector) { | |
11850 | if (connector->base.encoder) { | |
11851 | connector->base.state->best_encoder = | |
11852 | connector->base.encoder; | |
11853 | connector->base.state->crtc = | |
11854 | connector->base.encoder->crtc; | |
11855 | } else { | |
11856 | connector->base.state->best_encoder = NULL; | |
11857 | connector->base.state->crtc = NULL; | |
11858 | } | |
11859 | } | |
11860 | } | |
11861 | ||
050f7aeb | 11862 | static void |
eba905b2 | 11863 | connected_sink_compute_bpp(struct intel_connector *connector, |
5cec258b | 11864 | struct intel_crtc_state *pipe_config) |
050f7aeb DV |
11865 | { |
11866 | int bpp = pipe_config->pipe_bpp; | |
11867 | ||
11868 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] checking for sink bpp constrains\n", | |
11869 | connector->base.base.id, | |
c23cc417 | 11870 | connector->base.name); |
050f7aeb DV |
11871 | |
11872 | /* Don't use an invalid EDID bpc value */ | |
11873 | if (connector->base.display_info.bpc && | |
11874 | connector->base.display_info.bpc * 3 < bpp) { | |
11875 | DRM_DEBUG_KMS("clamping display bpp (was %d) to EDID reported max of %d\n", | |
11876 | bpp, connector->base.display_info.bpc*3); | |
11877 | pipe_config->pipe_bpp = connector->base.display_info.bpc*3; | |
11878 | } | |
11879 | ||
11880 | /* Clamp bpp to 8 on screens without EDID 1.4 */ | |
11881 | if (connector->base.display_info.bpc == 0 && bpp > 24) { | |
11882 | DRM_DEBUG_KMS("clamping display bpp (was %d) to default limit of 24\n", | |
11883 | bpp); | |
11884 | pipe_config->pipe_bpp = 24; | |
11885 | } | |
11886 | } | |
11887 | ||
4e53c2e0 | 11888 | static int |
050f7aeb | 11889 | compute_baseline_pipe_bpp(struct intel_crtc *crtc, |
5cec258b | 11890 | struct intel_crtc_state *pipe_config) |
4e53c2e0 | 11891 | { |
050f7aeb | 11892 | struct drm_device *dev = crtc->base.dev; |
1486017f | 11893 | struct drm_atomic_state *state; |
da3ced29 ACO |
11894 | struct drm_connector *connector; |
11895 | struct drm_connector_state *connector_state; | |
1486017f | 11896 | int bpp, i; |
4e53c2e0 | 11897 | |
d328c9d7 | 11898 | if ((IS_G4X(dev) || IS_VALLEYVIEW(dev))) |
4e53c2e0 | 11899 | bpp = 10*3; |
d328c9d7 DV |
11900 | else if (INTEL_INFO(dev)->gen >= 5) |
11901 | bpp = 12*3; | |
11902 | else | |
11903 | bpp = 8*3; | |
11904 | ||
4e53c2e0 | 11905 | |
4e53c2e0 DV |
11906 | pipe_config->pipe_bpp = bpp; |
11907 | ||
1486017f ACO |
11908 | state = pipe_config->base.state; |
11909 | ||
4e53c2e0 | 11910 | /* Clamp display bpp to EDID value */ |
da3ced29 ACO |
11911 | for_each_connector_in_state(state, connector, connector_state, i) { |
11912 | if (connector_state->crtc != &crtc->base) | |
4e53c2e0 DV |
11913 | continue; |
11914 | ||
da3ced29 ACO |
11915 | connected_sink_compute_bpp(to_intel_connector(connector), |
11916 | pipe_config); | |
4e53c2e0 DV |
11917 | } |
11918 | ||
11919 | return bpp; | |
11920 | } | |
11921 | ||
644db711 DV |
11922 | static void intel_dump_crtc_timings(const struct drm_display_mode *mode) |
11923 | { | |
11924 | DRM_DEBUG_KMS("crtc timings: %d %d %d %d %d %d %d %d %d, " | |
11925 | "type: 0x%x flags: 0x%x\n", | |
1342830c | 11926 | mode->crtc_clock, |
644db711 DV |
11927 | mode->crtc_hdisplay, mode->crtc_hsync_start, |
11928 | mode->crtc_hsync_end, mode->crtc_htotal, | |
11929 | mode->crtc_vdisplay, mode->crtc_vsync_start, | |
11930 | mode->crtc_vsync_end, mode->crtc_vtotal, mode->type, mode->flags); | |
11931 | } | |
11932 | ||
c0b03411 | 11933 | static void intel_dump_pipe_config(struct intel_crtc *crtc, |
5cec258b | 11934 | struct intel_crtc_state *pipe_config, |
c0b03411 DV |
11935 | const char *context) |
11936 | { | |
6a60cd87 CK |
11937 | struct drm_device *dev = crtc->base.dev; |
11938 | struct drm_plane *plane; | |
11939 | struct intel_plane *intel_plane; | |
11940 | struct intel_plane_state *state; | |
11941 | struct drm_framebuffer *fb; | |
11942 | ||
11943 | DRM_DEBUG_KMS("[CRTC:%d]%s config %p for pipe %c\n", crtc->base.base.id, | |
11944 | context, pipe_config, pipe_name(crtc->pipe)); | |
c0b03411 DV |
11945 | |
11946 | DRM_DEBUG_KMS("cpu_transcoder: %c\n", transcoder_name(pipe_config->cpu_transcoder)); | |
11947 | DRM_DEBUG_KMS("pipe bpp: %i, dithering: %i\n", | |
11948 | pipe_config->pipe_bpp, pipe_config->dither); | |
11949 | DRM_DEBUG_KMS("fdi/pch: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", | |
11950 | pipe_config->has_pch_encoder, | |
11951 | pipe_config->fdi_lanes, | |
11952 | pipe_config->fdi_m_n.gmch_m, pipe_config->fdi_m_n.gmch_n, | |
11953 | pipe_config->fdi_m_n.link_m, pipe_config->fdi_m_n.link_n, | |
11954 | pipe_config->fdi_m_n.tu); | |
90a6b7b0 | 11955 | DRM_DEBUG_KMS("dp: %i, lanes: %i, gmch_m: %u, gmch_n: %u, link_m: %u, link_n: %u, tu: %u\n", |
eb14cb74 | 11956 | pipe_config->has_dp_encoder, |
90a6b7b0 | 11957 | pipe_config->lane_count, |
eb14cb74 VS |
11958 | pipe_config->dp_m_n.gmch_m, pipe_config->dp_m_n.gmch_n, |
11959 | pipe_config->dp_m_n.link_m, pipe_config->dp_m_n.link_n, | |
11960 | pipe_config->dp_m_n.tu); | |
b95af8be | 11961 | |
90a6b7b0 | 11962 | DRM_DEBUG_KMS("dp: %i, lanes: %i, gmch_m2: %u, gmch_n2: %u, link_m2: %u, link_n2: %u, tu2: %u\n", |
b95af8be | 11963 | pipe_config->has_dp_encoder, |
90a6b7b0 | 11964 | pipe_config->lane_count, |
b95af8be VK |
11965 | pipe_config->dp_m2_n2.gmch_m, |
11966 | pipe_config->dp_m2_n2.gmch_n, | |
11967 | pipe_config->dp_m2_n2.link_m, | |
11968 | pipe_config->dp_m2_n2.link_n, | |
11969 | pipe_config->dp_m2_n2.tu); | |
11970 | ||
55072d19 DV |
11971 | DRM_DEBUG_KMS("audio: %i, infoframes: %i\n", |
11972 | pipe_config->has_audio, | |
11973 | pipe_config->has_infoframe); | |
11974 | ||
c0b03411 | 11975 | DRM_DEBUG_KMS("requested mode:\n"); |
2d112de7 | 11976 | drm_mode_debug_printmodeline(&pipe_config->base.mode); |
c0b03411 | 11977 | DRM_DEBUG_KMS("adjusted mode:\n"); |
2d112de7 ACO |
11978 | drm_mode_debug_printmodeline(&pipe_config->base.adjusted_mode); |
11979 | intel_dump_crtc_timings(&pipe_config->base.adjusted_mode); | |
d71b8d4a | 11980 | DRM_DEBUG_KMS("port clock: %d\n", pipe_config->port_clock); |
37327abd VS |
11981 | DRM_DEBUG_KMS("pipe src size: %dx%d\n", |
11982 | pipe_config->pipe_src_w, pipe_config->pipe_src_h); | |
0ec463d3 TU |
11983 | DRM_DEBUG_KMS("num_scalers: %d, scaler_users: 0x%x, scaler_id: %d\n", |
11984 | crtc->num_scalers, | |
11985 | pipe_config->scaler_state.scaler_users, | |
11986 | pipe_config->scaler_state.scaler_id); | |
c0b03411 DV |
11987 | DRM_DEBUG_KMS("gmch pfit: control: 0x%08x, ratios: 0x%08x, lvds border: 0x%08x\n", |
11988 | pipe_config->gmch_pfit.control, | |
11989 | pipe_config->gmch_pfit.pgm_ratios, | |
11990 | pipe_config->gmch_pfit.lvds_border_bits); | |
fd4daa9c | 11991 | DRM_DEBUG_KMS("pch pfit: pos: 0x%08x, size: 0x%08x, %s\n", |
c0b03411 | 11992 | pipe_config->pch_pfit.pos, |
fd4daa9c CW |
11993 | pipe_config->pch_pfit.size, |
11994 | pipe_config->pch_pfit.enabled ? "enabled" : "disabled"); | |
42db64ef | 11995 | DRM_DEBUG_KMS("ips: %i\n", pipe_config->ips_enabled); |
cf532bb2 | 11996 | DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide); |
6a60cd87 | 11997 | |
415ff0f6 | 11998 | if (IS_BROXTON(dev)) { |
05712c15 | 11999 | DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x," |
415ff0f6 | 12000 | "pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, " |
c8453338 | 12001 | "pll6: 0x%x, pll8: 0x%x, pll9: 0x%x, pll10: 0x%x, pcsdw12: 0x%x\n", |
415ff0f6 TU |
12002 | pipe_config->ddi_pll_sel, |
12003 | pipe_config->dpll_hw_state.ebb0, | |
05712c15 | 12004 | pipe_config->dpll_hw_state.ebb4, |
415ff0f6 TU |
12005 | pipe_config->dpll_hw_state.pll0, |
12006 | pipe_config->dpll_hw_state.pll1, | |
12007 | pipe_config->dpll_hw_state.pll2, | |
12008 | pipe_config->dpll_hw_state.pll3, | |
12009 | pipe_config->dpll_hw_state.pll6, | |
12010 | pipe_config->dpll_hw_state.pll8, | |
05712c15 | 12011 | pipe_config->dpll_hw_state.pll9, |
c8453338 | 12012 | pipe_config->dpll_hw_state.pll10, |
415ff0f6 | 12013 | pipe_config->dpll_hw_state.pcsdw12); |
ef11bdb3 | 12014 | } else if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) { |
415ff0f6 TU |
12015 | DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: " |
12016 | "ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n", | |
12017 | pipe_config->ddi_pll_sel, | |
12018 | pipe_config->dpll_hw_state.ctrl1, | |
12019 | pipe_config->dpll_hw_state.cfgcr1, | |
12020 | pipe_config->dpll_hw_state.cfgcr2); | |
12021 | } else if (HAS_DDI(dev)) { | |
12022 | DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: wrpll: 0x%x\n", | |
12023 | pipe_config->ddi_pll_sel, | |
12024 | pipe_config->dpll_hw_state.wrpll); | |
12025 | } else { | |
12026 | DRM_DEBUG_KMS("dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, " | |
12027 | "fp0: 0x%x, fp1: 0x%x\n", | |
12028 | pipe_config->dpll_hw_state.dpll, | |
12029 | pipe_config->dpll_hw_state.dpll_md, | |
12030 | pipe_config->dpll_hw_state.fp0, | |
12031 | pipe_config->dpll_hw_state.fp1); | |
12032 | } | |
12033 | ||
6a60cd87 CK |
12034 | DRM_DEBUG_KMS("planes on this crtc\n"); |
12035 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { | |
12036 | intel_plane = to_intel_plane(plane); | |
12037 | if (intel_plane->pipe != crtc->pipe) | |
12038 | continue; | |
12039 | ||
12040 | state = to_intel_plane_state(plane->state); | |
12041 | fb = state->base.fb; | |
12042 | if (!fb) { | |
12043 | DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d " | |
12044 | "disabled, scaler_id = %d\n", | |
12045 | plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD", | |
12046 | plane->base.id, intel_plane->pipe, | |
12047 | (crtc->base.primary == plane) ? 0 : intel_plane->plane + 1, | |
12048 | drm_plane_index(plane), state->scaler_id); | |
12049 | continue; | |
12050 | } | |
12051 | ||
12052 | DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d enabled", | |
12053 | plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD", | |
12054 | plane->base.id, intel_plane->pipe, | |
12055 | crtc->base.primary == plane ? 0 : intel_plane->plane + 1, | |
12056 | drm_plane_index(plane)); | |
12057 | DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = 0x%x", | |
12058 | fb->base.id, fb->width, fb->height, fb->pixel_format); | |
12059 | DRM_DEBUG_KMS("\tscaler:%d src (%u, %u) %ux%u dst (%u, %u) %ux%u\n", | |
12060 | state->scaler_id, | |
12061 | state->src.x1 >> 16, state->src.y1 >> 16, | |
12062 | drm_rect_width(&state->src) >> 16, | |
12063 | drm_rect_height(&state->src) >> 16, | |
12064 | state->dst.x1, state->dst.y1, | |
12065 | drm_rect_width(&state->dst), drm_rect_height(&state->dst)); | |
12066 | } | |
c0b03411 DV |
12067 | } |
12068 | ||
5448a00d | 12069 | static bool check_digital_port_conflicts(struct drm_atomic_state *state) |
00f0b378 | 12070 | { |
5448a00d ACO |
12071 | struct drm_device *dev = state->dev; |
12072 | struct intel_encoder *encoder; | |
da3ced29 | 12073 | struct drm_connector *connector; |
5448a00d | 12074 | struct drm_connector_state *connector_state; |
00f0b378 | 12075 | unsigned int used_ports = 0; |
5448a00d | 12076 | int i; |
00f0b378 VS |
12077 | |
12078 | /* | |
12079 | * Walk the connector list instead of the encoder | |
12080 | * list to detect the problem on ddi platforms | |
12081 | * where there's just one encoder per digital port. | |
12082 | */ | |
da3ced29 | 12083 | for_each_connector_in_state(state, connector, connector_state, i) { |
5448a00d | 12084 | if (!connector_state->best_encoder) |
00f0b378 VS |
12085 | continue; |
12086 | ||
5448a00d ACO |
12087 | encoder = to_intel_encoder(connector_state->best_encoder); |
12088 | ||
12089 | WARN_ON(!connector_state->crtc); | |
00f0b378 VS |
12090 | |
12091 | switch (encoder->type) { | |
12092 | unsigned int port_mask; | |
12093 | case INTEL_OUTPUT_UNKNOWN: | |
12094 | if (WARN_ON(!HAS_DDI(dev))) | |
12095 | break; | |
12096 | case INTEL_OUTPUT_DISPLAYPORT: | |
12097 | case INTEL_OUTPUT_HDMI: | |
12098 | case INTEL_OUTPUT_EDP: | |
12099 | port_mask = 1 << enc_to_dig_port(&encoder->base)->port; | |
12100 | ||
12101 | /* the same port mustn't appear more than once */ | |
12102 | if (used_ports & port_mask) | |
12103 | return false; | |
12104 | ||
12105 | used_ports |= port_mask; | |
12106 | default: | |
12107 | break; | |
12108 | } | |
12109 | } | |
12110 | ||
12111 | return true; | |
12112 | } | |
12113 | ||
83a57153 ACO |
12114 | static void |
12115 | clear_intel_crtc_state(struct intel_crtc_state *crtc_state) | |
12116 | { | |
12117 | struct drm_crtc_state tmp_state; | |
663a3640 | 12118 | struct intel_crtc_scaler_state scaler_state; |
4978cc93 ACO |
12119 | struct intel_dpll_hw_state dpll_hw_state; |
12120 | enum intel_dpll_id shared_dpll; | |
8504c74c | 12121 | uint32_t ddi_pll_sel; |
c4e2d043 | 12122 | bool force_thru; |
83a57153 | 12123 | |
7546a384 ACO |
12124 | /* FIXME: before the switch to atomic started, a new pipe_config was |
12125 | * kzalloc'd. Code that depends on any field being zero should be | |
12126 | * fixed, so that the crtc_state can be safely duplicated. For now, | |
12127 | * only fields that are know to not cause problems are preserved. */ | |
12128 | ||
83a57153 | 12129 | tmp_state = crtc_state->base; |
663a3640 | 12130 | scaler_state = crtc_state->scaler_state; |
4978cc93 ACO |
12131 | shared_dpll = crtc_state->shared_dpll; |
12132 | dpll_hw_state = crtc_state->dpll_hw_state; | |
8504c74c | 12133 | ddi_pll_sel = crtc_state->ddi_pll_sel; |
c4e2d043 | 12134 | force_thru = crtc_state->pch_pfit.force_thru; |
4978cc93 | 12135 | |
83a57153 | 12136 | memset(crtc_state, 0, sizeof *crtc_state); |
4978cc93 | 12137 | |
83a57153 | 12138 | crtc_state->base = tmp_state; |
663a3640 | 12139 | crtc_state->scaler_state = scaler_state; |
4978cc93 ACO |
12140 | crtc_state->shared_dpll = shared_dpll; |
12141 | crtc_state->dpll_hw_state = dpll_hw_state; | |
8504c74c | 12142 | crtc_state->ddi_pll_sel = ddi_pll_sel; |
c4e2d043 | 12143 | crtc_state->pch_pfit.force_thru = force_thru; |
83a57153 ACO |
12144 | } |
12145 | ||
548ee15b | 12146 | static int |
b8cecdf5 | 12147 | intel_modeset_pipe_config(struct drm_crtc *crtc, |
b359283a | 12148 | struct intel_crtc_state *pipe_config) |
ee7b9f93 | 12149 | { |
b359283a | 12150 | struct drm_atomic_state *state = pipe_config->base.state; |
7758a113 | 12151 | struct intel_encoder *encoder; |
da3ced29 | 12152 | struct drm_connector *connector; |
0b901879 | 12153 | struct drm_connector_state *connector_state; |
d328c9d7 | 12154 | int base_bpp, ret = -EINVAL; |
0b901879 | 12155 | int i; |
e29c22c0 | 12156 | bool retry = true; |
ee7b9f93 | 12157 | |
83a57153 | 12158 | clear_intel_crtc_state(pipe_config); |
7758a113 | 12159 | |
e143a21c DV |
12160 | pipe_config->cpu_transcoder = |
12161 | (enum transcoder) to_intel_crtc(crtc)->pipe; | |
b8cecdf5 | 12162 | |
2960bc9c ID |
12163 | /* |
12164 | * Sanitize sync polarity flags based on requested ones. If neither | |
12165 | * positive or negative polarity is requested, treat this as meaning | |
12166 | * negative polarity. | |
12167 | */ | |
2d112de7 | 12168 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 12169 | (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NHSYNC))) |
2d112de7 | 12170 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NHSYNC; |
2960bc9c | 12171 | |
2d112de7 | 12172 | if (!(pipe_config->base.adjusted_mode.flags & |
2960bc9c | 12173 | (DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_NVSYNC))) |
2d112de7 | 12174 | pipe_config->base.adjusted_mode.flags |= DRM_MODE_FLAG_NVSYNC; |
2960bc9c | 12175 | |
d328c9d7 DV |
12176 | base_bpp = compute_baseline_pipe_bpp(to_intel_crtc(crtc), |
12177 | pipe_config); | |
12178 | if (base_bpp < 0) | |
4e53c2e0 DV |
12179 | goto fail; |
12180 | ||
e41a56be VS |
12181 | /* |
12182 | * Determine the real pipe dimensions. Note that stereo modes can | |
12183 | * increase the actual pipe size due to the frame doubling and | |
12184 | * insertion of additional space for blanks between the frame. This | |
12185 | * is stored in the crtc timings. We use the requested mode to do this | |
12186 | * computation to clearly distinguish it from the adjusted mode, which | |
12187 | * can be changed by the connectors in the below retry loop. | |
12188 | */ | |
2d112de7 | 12189 | drm_crtc_get_hv_timing(&pipe_config->base.mode, |
ecb7e16b GP |
12190 | &pipe_config->pipe_src_w, |
12191 | &pipe_config->pipe_src_h); | |
e41a56be | 12192 | |
e29c22c0 | 12193 | encoder_retry: |
ef1b460d | 12194 | /* Ensure the port clock defaults are reset when retrying. */ |
ff9a6750 | 12195 | pipe_config->port_clock = 0; |
ef1b460d | 12196 | pipe_config->pixel_multiplier = 1; |
ff9a6750 | 12197 | |
135c81b8 | 12198 | /* Fill in default crtc timings, allow encoders to overwrite them. */ |
2d112de7 ACO |
12199 | drm_mode_set_crtcinfo(&pipe_config->base.adjusted_mode, |
12200 | CRTC_STEREO_DOUBLE); | |
135c81b8 | 12201 | |
7758a113 DV |
12202 | /* Pass our mode to the connectors and the CRTC to give them a chance to |
12203 | * adjust it according to limitations or connector properties, and also | |
12204 | * a chance to reject the mode entirely. | |
47f1c6c9 | 12205 | */ |
da3ced29 | 12206 | for_each_connector_in_state(state, connector, connector_state, i) { |
0b901879 | 12207 | if (connector_state->crtc != crtc) |
7758a113 | 12208 | continue; |
7ae89233 | 12209 | |
0b901879 ACO |
12210 | encoder = to_intel_encoder(connector_state->best_encoder); |
12211 | ||
efea6e8e DV |
12212 | if (!(encoder->compute_config(encoder, pipe_config))) { |
12213 | DRM_DEBUG_KMS("Encoder config failure\n"); | |
7758a113 DV |
12214 | goto fail; |
12215 | } | |
ee7b9f93 | 12216 | } |
47f1c6c9 | 12217 | |
ff9a6750 DV |
12218 | /* Set default port clock if not overwritten by the encoder. Needs to be |
12219 | * done afterwards in case the encoder adjusts the mode. */ | |
12220 | if (!pipe_config->port_clock) | |
2d112de7 | 12221 | pipe_config->port_clock = pipe_config->base.adjusted_mode.crtc_clock |
241bfc38 | 12222 | * pipe_config->pixel_multiplier; |
ff9a6750 | 12223 | |
a43f6e0f | 12224 | ret = intel_crtc_compute_config(to_intel_crtc(crtc), pipe_config); |
e29c22c0 | 12225 | if (ret < 0) { |
7758a113 DV |
12226 | DRM_DEBUG_KMS("CRTC fixup failed\n"); |
12227 | goto fail; | |
ee7b9f93 | 12228 | } |
e29c22c0 DV |
12229 | |
12230 | if (ret == RETRY) { | |
12231 | if (WARN(!retry, "loop in pipe configuration computation\n")) { | |
12232 | ret = -EINVAL; | |
12233 | goto fail; | |
12234 | } | |
12235 | ||
12236 | DRM_DEBUG_KMS("CRTC bw constrained, retrying\n"); | |
12237 | retry = false; | |
12238 | goto encoder_retry; | |
12239 | } | |
12240 | ||
e8fa4270 DV |
12241 | /* Dithering seems to not pass-through bits correctly when it should, so |
12242 | * only enable it on 6bpc panels. */ | |
12243 | pipe_config->dither = pipe_config->pipe_bpp == 6*3; | |
62f0ace5 | 12244 | DRM_DEBUG_KMS("hw max bpp: %i, pipe bpp: %i, dithering: %i\n", |
d328c9d7 | 12245 | base_bpp, pipe_config->pipe_bpp, pipe_config->dither); |
4e53c2e0 | 12246 | |
7758a113 | 12247 | fail: |
548ee15b | 12248 | return ret; |
ee7b9f93 | 12249 | } |
47f1c6c9 | 12250 | |
ea9d758d | 12251 | static void |
4740b0f2 | 12252 | intel_modeset_update_crtc_state(struct drm_atomic_state *state) |
ea9d758d | 12253 | { |
0a9ab303 ACO |
12254 | struct drm_crtc *crtc; |
12255 | struct drm_crtc_state *crtc_state; | |
8a75d157 | 12256 | int i; |
ea9d758d | 12257 | |
7668851f | 12258 | /* Double check state. */ |
8a75d157 | 12259 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
3cb480bc | 12260 | to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state); |
fc467a22 ML |
12261 | |
12262 | /* Update hwmode for vblank functions */ | |
12263 | if (crtc->state->active) | |
12264 | crtc->hwmode = crtc->state->adjusted_mode; | |
12265 | else | |
12266 | crtc->hwmode.crtc_clock = 0; | |
61067a5e ML |
12267 | |
12268 | /* | |
12269 | * Update legacy state to satisfy fbc code. This can | |
12270 | * be removed when fbc uses the atomic state. | |
12271 | */ | |
12272 | if (drm_atomic_get_existing_plane_state(state, crtc->primary)) { | |
12273 | struct drm_plane_state *plane_state = crtc->primary->state; | |
12274 | ||
12275 | crtc->primary->fb = plane_state->fb; | |
12276 | crtc->x = plane_state->src_x >> 16; | |
12277 | crtc->y = plane_state->src_y >> 16; | |
12278 | } | |
ea9d758d | 12279 | } |
ea9d758d DV |
12280 | } |
12281 | ||
3bd26263 | 12282 | static bool intel_fuzzy_clock_check(int clock1, int clock2) |
f1f644dc | 12283 | { |
3bd26263 | 12284 | int diff; |
f1f644dc JB |
12285 | |
12286 | if (clock1 == clock2) | |
12287 | return true; | |
12288 | ||
12289 | if (!clock1 || !clock2) | |
12290 | return false; | |
12291 | ||
12292 | diff = abs(clock1 - clock2); | |
12293 | ||
12294 | if (((((diff + clock1 + clock2) * 100)) / (clock1 + clock2)) < 105) | |
12295 | return true; | |
12296 | ||
12297 | return false; | |
12298 | } | |
12299 | ||
25c5b266 DV |
12300 | #define for_each_intel_crtc_masked(dev, mask, intel_crtc) \ |
12301 | list_for_each_entry((intel_crtc), \ | |
12302 | &(dev)->mode_config.crtc_list, \ | |
12303 | base.head) \ | |
0973f18f | 12304 | if (mask & (1 <<(intel_crtc)->pipe)) |
25c5b266 | 12305 | |
cfb23ed6 ML |
12306 | static bool |
12307 | intel_compare_m_n(unsigned int m, unsigned int n, | |
12308 | unsigned int m2, unsigned int n2, | |
12309 | bool exact) | |
12310 | { | |
12311 | if (m == m2 && n == n2) | |
12312 | return true; | |
12313 | ||
12314 | if (exact || !m || !n || !m2 || !n2) | |
12315 | return false; | |
12316 | ||
12317 | BUILD_BUG_ON(DATA_LINK_M_N_MASK > INT_MAX); | |
12318 | ||
12319 | if (m > m2) { | |
12320 | while (m > m2) { | |
12321 | m2 <<= 1; | |
12322 | n2 <<= 1; | |
12323 | } | |
12324 | } else if (m < m2) { | |
12325 | while (m < m2) { | |
12326 | m <<= 1; | |
12327 | n <<= 1; | |
12328 | } | |
12329 | } | |
12330 | ||
12331 | return m == m2 && n == n2; | |
12332 | } | |
12333 | ||
12334 | static bool | |
12335 | intel_compare_link_m_n(const struct intel_link_m_n *m_n, | |
12336 | struct intel_link_m_n *m2_n2, | |
12337 | bool adjust) | |
12338 | { | |
12339 | if (m_n->tu == m2_n2->tu && | |
12340 | intel_compare_m_n(m_n->gmch_m, m_n->gmch_n, | |
12341 | m2_n2->gmch_m, m2_n2->gmch_n, !adjust) && | |
12342 | intel_compare_m_n(m_n->link_m, m_n->link_n, | |
12343 | m2_n2->link_m, m2_n2->link_n, !adjust)) { | |
12344 | if (adjust) | |
12345 | *m2_n2 = *m_n; | |
12346 | ||
12347 | return true; | |
12348 | } | |
12349 | ||
12350 | return false; | |
12351 | } | |
12352 | ||
0e8ffe1b | 12353 | static bool |
2fa2fe9a | 12354 | intel_pipe_config_compare(struct drm_device *dev, |
5cec258b | 12355 | struct intel_crtc_state *current_config, |
cfb23ed6 ML |
12356 | struct intel_crtc_state *pipe_config, |
12357 | bool adjust) | |
0e8ffe1b | 12358 | { |
cfb23ed6 ML |
12359 | bool ret = true; |
12360 | ||
12361 | #define INTEL_ERR_OR_DBG_KMS(fmt, ...) \ | |
12362 | do { \ | |
12363 | if (!adjust) \ | |
12364 | DRM_ERROR(fmt, ##__VA_ARGS__); \ | |
12365 | else \ | |
12366 | DRM_DEBUG_KMS(fmt, ##__VA_ARGS__); \ | |
12367 | } while (0) | |
12368 | ||
66e985c0 DV |
12369 | #define PIPE_CONF_CHECK_X(name) \ |
12370 | if (current_config->name != pipe_config->name) { \ | |
cfb23ed6 | 12371 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
66e985c0 DV |
12372 | "(expected 0x%08x, found 0x%08x)\n", \ |
12373 | current_config->name, \ | |
12374 | pipe_config->name); \ | |
cfb23ed6 | 12375 | ret = false; \ |
66e985c0 DV |
12376 | } |
12377 | ||
08a24034 DV |
12378 | #define PIPE_CONF_CHECK_I(name) \ |
12379 | if (current_config->name != pipe_config->name) { \ | |
cfb23ed6 | 12380 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
08a24034 DV |
12381 | "(expected %i, found %i)\n", \ |
12382 | current_config->name, \ | |
12383 | pipe_config->name); \ | |
cfb23ed6 ML |
12384 | ret = false; \ |
12385 | } | |
12386 | ||
12387 | #define PIPE_CONF_CHECK_M_N(name) \ | |
12388 | if (!intel_compare_link_m_n(¤t_config->name, \ | |
12389 | &pipe_config->name,\ | |
12390 | adjust)) { \ | |
12391 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ | |
12392 | "(expected tu %i gmch %i/%i link %i/%i, " \ | |
12393 | "found tu %i, gmch %i/%i link %i/%i)\n", \ | |
12394 | current_config->name.tu, \ | |
12395 | current_config->name.gmch_m, \ | |
12396 | current_config->name.gmch_n, \ | |
12397 | current_config->name.link_m, \ | |
12398 | current_config->name.link_n, \ | |
12399 | pipe_config->name.tu, \ | |
12400 | pipe_config->name.gmch_m, \ | |
12401 | pipe_config->name.gmch_n, \ | |
12402 | pipe_config->name.link_m, \ | |
12403 | pipe_config->name.link_n); \ | |
12404 | ret = false; \ | |
12405 | } | |
12406 | ||
12407 | #define PIPE_CONF_CHECK_M_N_ALT(name, alt_name) \ | |
12408 | if (!intel_compare_link_m_n(¤t_config->name, \ | |
12409 | &pipe_config->name, adjust) && \ | |
12410 | !intel_compare_link_m_n(¤t_config->alt_name, \ | |
12411 | &pipe_config->name, adjust)) { \ | |
12412 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ | |
12413 | "(expected tu %i gmch %i/%i link %i/%i, " \ | |
12414 | "or tu %i gmch %i/%i link %i/%i, " \ | |
12415 | "found tu %i, gmch %i/%i link %i/%i)\n", \ | |
12416 | current_config->name.tu, \ | |
12417 | current_config->name.gmch_m, \ | |
12418 | current_config->name.gmch_n, \ | |
12419 | current_config->name.link_m, \ | |
12420 | current_config->name.link_n, \ | |
12421 | current_config->alt_name.tu, \ | |
12422 | current_config->alt_name.gmch_m, \ | |
12423 | current_config->alt_name.gmch_n, \ | |
12424 | current_config->alt_name.link_m, \ | |
12425 | current_config->alt_name.link_n, \ | |
12426 | pipe_config->name.tu, \ | |
12427 | pipe_config->name.gmch_m, \ | |
12428 | pipe_config->name.gmch_n, \ | |
12429 | pipe_config->name.link_m, \ | |
12430 | pipe_config->name.link_n); \ | |
12431 | ret = false; \ | |
88adfff1 DV |
12432 | } |
12433 | ||
b95af8be VK |
12434 | /* This is required for BDW+ where there is only one set of registers for |
12435 | * switching between high and low RR. | |
12436 | * This macro can be used whenever a comparison has to be made between one | |
12437 | * hw state and multiple sw state variables. | |
12438 | */ | |
12439 | #define PIPE_CONF_CHECK_I_ALT(name, alt_name) \ | |
12440 | if ((current_config->name != pipe_config->name) && \ | |
12441 | (current_config->alt_name != pipe_config->name)) { \ | |
cfb23ed6 | 12442 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
b95af8be VK |
12443 | "(expected %i or %i, found %i)\n", \ |
12444 | current_config->name, \ | |
12445 | current_config->alt_name, \ | |
12446 | pipe_config->name); \ | |
cfb23ed6 | 12447 | ret = false; \ |
b95af8be VK |
12448 | } |
12449 | ||
1bd1bd80 DV |
12450 | #define PIPE_CONF_CHECK_FLAGS(name, mask) \ |
12451 | if ((current_config->name ^ pipe_config->name) & (mask)) { \ | |
cfb23ed6 | 12452 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name "(" #mask ") " \ |
1bd1bd80 DV |
12453 | "(expected %i, found %i)\n", \ |
12454 | current_config->name & (mask), \ | |
12455 | pipe_config->name & (mask)); \ | |
cfb23ed6 | 12456 | ret = false; \ |
1bd1bd80 DV |
12457 | } |
12458 | ||
5e550656 VS |
12459 | #define PIPE_CONF_CHECK_CLOCK_FUZZY(name) \ |
12460 | if (!intel_fuzzy_clock_check(current_config->name, pipe_config->name)) { \ | |
cfb23ed6 | 12461 | INTEL_ERR_OR_DBG_KMS("mismatch in " #name " " \ |
5e550656 VS |
12462 | "(expected %i, found %i)\n", \ |
12463 | current_config->name, \ | |
12464 | pipe_config->name); \ | |
cfb23ed6 | 12465 | ret = false; \ |
5e550656 VS |
12466 | } |
12467 | ||
bb760063 DV |
12468 | #define PIPE_CONF_QUIRK(quirk) \ |
12469 | ((current_config->quirks | pipe_config->quirks) & (quirk)) | |
12470 | ||
eccb140b DV |
12471 | PIPE_CONF_CHECK_I(cpu_transcoder); |
12472 | ||
08a24034 DV |
12473 | PIPE_CONF_CHECK_I(has_pch_encoder); |
12474 | PIPE_CONF_CHECK_I(fdi_lanes); | |
cfb23ed6 | 12475 | PIPE_CONF_CHECK_M_N(fdi_m_n); |
08a24034 | 12476 | |
eb14cb74 | 12477 | PIPE_CONF_CHECK_I(has_dp_encoder); |
90a6b7b0 | 12478 | PIPE_CONF_CHECK_I(lane_count); |
b95af8be VK |
12479 | |
12480 | if (INTEL_INFO(dev)->gen < 8) { | |
cfb23ed6 ML |
12481 | PIPE_CONF_CHECK_M_N(dp_m_n); |
12482 | ||
12483 | PIPE_CONF_CHECK_I(has_drrs); | |
12484 | if (current_config->has_drrs) | |
12485 | PIPE_CONF_CHECK_M_N(dp_m2_n2); | |
12486 | } else | |
12487 | PIPE_CONF_CHECK_M_N_ALT(dp_m_n, dp_m2_n2); | |
eb14cb74 | 12488 | |
2d112de7 ACO |
12489 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hdisplay); |
12490 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_htotal); | |
12491 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_start); | |
12492 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hblank_end); | |
12493 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_start); | |
12494 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_hsync_end); | |
1bd1bd80 | 12495 | |
2d112de7 ACO |
12496 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vdisplay); |
12497 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vtotal); | |
12498 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_start); | |
12499 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vblank_end); | |
12500 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_start); | |
12501 | PIPE_CONF_CHECK_I(base.adjusted_mode.crtc_vsync_end); | |
1bd1bd80 | 12502 | |
c93f54cf | 12503 | PIPE_CONF_CHECK_I(pixel_multiplier); |
6897b4b5 | 12504 | PIPE_CONF_CHECK_I(has_hdmi_sink); |
b5a9fa09 DV |
12505 | if ((INTEL_INFO(dev)->gen < 8 && !IS_HASWELL(dev)) || |
12506 | IS_VALLEYVIEW(dev)) | |
12507 | PIPE_CONF_CHECK_I(limited_color_range); | |
e43823ec | 12508 | PIPE_CONF_CHECK_I(has_infoframe); |
6c49f241 | 12509 | |
9ed109a7 DV |
12510 | PIPE_CONF_CHECK_I(has_audio); |
12511 | ||
2d112de7 | 12512 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
1bd1bd80 DV |
12513 | DRM_MODE_FLAG_INTERLACE); |
12514 | ||
bb760063 | 12515 | if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS)) { |
2d112de7 | 12516 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12517 | DRM_MODE_FLAG_PHSYNC); |
2d112de7 | 12518 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12519 | DRM_MODE_FLAG_NHSYNC); |
2d112de7 | 12520 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 | 12521 | DRM_MODE_FLAG_PVSYNC); |
2d112de7 | 12522 | PIPE_CONF_CHECK_FLAGS(base.adjusted_mode.flags, |
bb760063 DV |
12523 | DRM_MODE_FLAG_NVSYNC); |
12524 | } | |
045ac3b5 | 12525 | |
333b8ca8 | 12526 | PIPE_CONF_CHECK_X(gmch_pfit.control); |
e2ff2d4a DV |
12527 | /* pfit ratios are autocomputed by the hw on gen4+ */ |
12528 | if (INTEL_INFO(dev)->gen < 4) | |
12529 | PIPE_CONF_CHECK_I(gmch_pfit.pgm_ratios); | |
333b8ca8 | 12530 | PIPE_CONF_CHECK_X(gmch_pfit.lvds_border_bits); |
9953599b | 12531 | |
bfd16b2a ML |
12532 | if (!adjust) { |
12533 | PIPE_CONF_CHECK_I(pipe_src_w); | |
12534 | PIPE_CONF_CHECK_I(pipe_src_h); | |
12535 | ||
12536 | PIPE_CONF_CHECK_I(pch_pfit.enabled); | |
12537 | if (current_config->pch_pfit.enabled) { | |
12538 | PIPE_CONF_CHECK_X(pch_pfit.pos); | |
12539 | PIPE_CONF_CHECK_X(pch_pfit.size); | |
12540 | } | |
2fa2fe9a | 12541 | |
7aefe2b5 ML |
12542 | PIPE_CONF_CHECK_I(scaler_state.scaler_id); |
12543 | } | |
a1b2278e | 12544 | |
e59150dc JB |
12545 | /* BDW+ don't expose a synchronous way to read the state */ |
12546 | if (IS_HASWELL(dev)) | |
12547 | PIPE_CONF_CHECK_I(ips_enabled); | |
42db64ef | 12548 | |
282740f7 VS |
12549 | PIPE_CONF_CHECK_I(double_wide); |
12550 | ||
26804afd DV |
12551 | PIPE_CONF_CHECK_X(ddi_pll_sel); |
12552 | ||
c0d43d62 | 12553 | PIPE_CONF_CHECK_I(shared_dpll); |
66e985c0 | 12554 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll); |
8bcc2795 | 12555 | PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md); |
66e985c0 DV |
12556 | PIPE_CONF_CHECK_X(dpll_hw_state.fp0); |
12557 | PIPE_CONF_CHECK_X(dpll_hw_state.fp1); | |
d452c5b6 | 12558 | PIPE_CONF_CHECK_X(dpll_hw_state.wrpll); |
3f4cd19f DL |
12559 | PIPE_CONF_CHECK_X(dpll_hw_state.ctrl1); |
12560 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr1); | |
12561 | PIPE_CONF_CHECK_X(dpll_hw_state.cfgcr2); | |
c0d43d62 | 12562 | |
42571aef VS |
12563 | if (IS_G4X(dev) || INTEL_INFO(dev)->gen >= 5) |
12564 | PIPE_CONF_CHECK_I(pipe_bpp); | |
12565 | ||
2d112de7 | 12566 | PIPE_CONF_CHECK_CLOCK_FUZZY(base.adjusted_mode.crtc_clock); |
a9a7e98a | 12567 | PIPE_CONF_CHECK_CLOCK_FUZZY(port_clock); |
5e550656 | 12568 | |
66e985c0 | 12569 | #undef PIPE_CONF_CHECK_X |
08a24034 | 12570 | #undef PIPE_CONF_CHECK_I |
b95af8be | 12571 | #undef PIPE_CONF_CHECK_I_ALT |
1bd1bd80 | 12572 | #undef PIPE_CONF_CHECK_FLAGS |
5e550656 | 12573 | #undef PIPE_CONF_CHECK_CLOCK_FUZZY |
bb760063 | 12574 | #undef PIPE_CONF_QUIRK |
cfb23ed6 | 12575 | #undef INTEL_ERR_OR_DBG_KMS |
88adfff1 | 12576 | |
cfb23ed6 | 12577 | return ret; |
0e8ffe1b DV |
12578 | } |
12579 | ||
08db6652 DL |
12580 | static void check_wm_state(struct drm_device *dev) |
12581 | { | |
12582 | struct drm_i915_private *dev_priv = dev->dev_private; | |
12583 | struct skl_ddb_allocation hw_ddb, *sw_ddb; | |
12584 | struct intel_crtc *intel_crtc; | |
12585 | int plane; | |
12586 | ||
12587 | if (INTEL_INFO(dev)->gen < 9) | |
12588 | return; | |
12589 | ||
12590 | skl_ddb_get_hw_state(dev_priv, &hw_ddb); | |
12591 | sw_ddb = &dev_priv->wm.skl_hw.ddb; | |
12592 | ||
12593 | for_each_intel_crtc(dev, intel_crtc) { | |
12594 | struct skl_ddb_entry *hw_entry, *sw_entry; | |
12595 | const enum pipe pipe = intel_crtc->pipe; | |
12596 | ||
12597 | if (!intel_crtc->active) | |
12598 | continue; | |
12599 | ||
12600 | /* planes */ | |
dd740780 | 12601 | for_each_plane(dev_priv, pipe, plane) { |
08db6652 DL |
12602 | hw_entry = &hw_ddb.plane[pipe][plane]; |
12603 | sw_entry = &sw_ddb->plane[pipe][plane]; | |
12604 | ||
12605 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
12606 | continue; | |
12607 | ||
12608 | DRM_ERROR("mismatch in DDB state pipe %c plane %d " | |
12609 | "(expected (%u,%u), found (%u,%u))\n", | |
12610 | pipe_name(pipe), plane + 1, | |
12611 | sw_entry->start, sw_entry->end, | |
12612 | hw_entry->start, hw_entry->end); | |
12613 | } | |
12614 | ||
12615 | /* cursor */ | |
4969d33e MR |
12616 | hw_entry = &hw_ddb.plane[pipe][PLANE_CURSOR]; |
12617 | sw_entry = &sw_ddb->plane[pipe][PLANE_CURSOR]; | |
08db6652 DL |
12618 | |
12619 | if (skl_ddb_entry_equal(hw_entry, sw_entry)) | |
12620 | continue; | |
12621 | ||
12622 | DRM_ERROR("mismatch in DDB state pipe %c cursor " | |
12623 | "(expected (%u,%u), found (%u,%u))\n", | |
12624 | pipe_name(pipe), | |
12625 | sw_entry->start, sw_entry->end, | |
12626 | hw_entry->start, hw_entry->end); | |
12627 | } | |
12628 | } | |
12629 | ||
91d1b4bd | 12630 | static void |
35dd3c64 ML |
12631 | check_connector_state(struct drm_device *dev, |
12632 | struct drm_atomic_state *old_state) | |
8af6cf88 | 12633 | { |
35dd3c64 ML |
12634 | struct drm_connector_state *old_conn_state; |
12635 | struct drm_connector *connector; | |
12636 | int i; | |
8af6cf88 | 12637 | |
35dd3c64 ML |
12638 | for_each_connector_in_state(old_state, connector, old_conn_state, i) { |
12639 | struct drm_encoder *encoder = connector->encoder; | |
12640 | struct drm_connector_state *state = connector->state; | |
ad3c558f | 12641 | |
8af6cf88 DV |
12642 | /* This also checks the encoder/connector hw state with the |
12643 | * ->get_hw_state callbacks. */ | |
35dd3c64 | 12644 | intel_connector_check_state(to_intel_connector(connector)); |
8af6cf88 | 12645 | |
ad3c558f | 12646 | I915_STATE_WARN(state->best_encoder != encoder, |
35dd3c64 | 12647 | "connector's atomic encoder doesn't match legacy encoder\n"); |
8af6cf88 | 12648 | } |
91d1b4bd DV |
12649 | } |
12650 | ||
12651 | static void | |
12652 | check_encoder_state(struct drm_device *dev) | |
12653 | { | |
12654 | struct intel_encoder *encoder; | |
12655 | struct intel_connector *connector; | |
8af6cf88 | 12656 | |
b2784e15 | 12657 | for_each_intel_encoder(dev, encoder) { |
8af6cf88 | 12658 | bool enabled = false; |
4d20cd86 | 12659 | enum pipe pipe; |
8af6cf88 DV |
12660 | |
12661 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", | |
12662 | encoder->base.base.id, | |
8e329a03 | 12663 | encoder->base.name); |
8af6cf88 | 12664 | |
3a3371ff | 12665 | for_each_intel_connector(dev, connector) { |
4d20cd86 | 12666 | if (connector->base.state->best_encoder != &encoder->base) |
8af6cf88 DV |
12667 | continue; |
12668 | enabled = true; | |
ad3c558f ML |
12669 | |
12670 | I915_STATE_WARN(connector->base.state->crtc != | |
12671 | encoder->base.crtc, | |
12672 | "connector's crtc doesn't match encoder crtc\n"); | |
8af6cf88 | 12673 | } |
0e32b39c | 12674 | |
e2c719b7 | 12675 | I915_STATE_WARN(!!encoder->base.crtc != enabled, |
8af6cf88 DV |
12676 | "encoder's enabled state mismatch " |
12677 | "(expected %i, found %i)\n", | |
12678 | !!encoder->base.crtc, enabled); | |
7c60d198 ML |
12679 | |
12680 | if (!encoder->base.crtc) { | |
4d20cd86 | 12681 | bool active; |
7c60d198 | 12682 | |
4d20cd86 ML |
12683 | active = encoder->get_hw_state(encoder, &pipe); |
12684 | I915_STATE_WARN(active, | |
12685 | "encoder detached but still enabled on pipe %c.\n", | |
12686 | pipe_name(pipe)); | |
7c60d198 | 12687 | } |
8af6cf88 | 12688 | } |
91d1b4bd DV |
12689 | } |
12690 | ||
12691 | static void | |
4d20cd86 | 12692 | check_crtc_state(struct drm_device *dev, struct drm_atomic_state *old_state) |
91d1b4bd | 12693 | { |
fbee40df | 12694 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd | 12695 | struct intel_encoder *encoder; |
4d20cd86 ML |
12696 | struct drm_crtc_state *old_crtc_state; |
12697 | struct drm_crtc *crtc; | |
12698 | int i; | |
8af6cf88 | 12699 | |
4d20cd86 ML |
12700 | for_each_crtc_in_state(old_state, crtc, old_crtc_state, i) { |
12701 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); | |
12702 | struct intel_crtc_state *pipe_config, *sw_config; | |
7b89b8de | 12703 | bool active; |
8af6cf88 | 12704 | |
bfd16b2a ML |
12705 | if (!needs_modeset(crtc->state) && |
12706 | !to_intel_crtc_state(crtc->state)->update_pipe) | |
4d20cd86 | 12707 | continue; |
045ac3b5 | 12708 | |
4d20cd86 ML |
12709 | __drm_atomic_helper_crtc_destroy_state(crtc, old_crtc_state); |
12710 | pipe_config = to_intel_crtc_state(old_crtc_state); | |
12711 | memset(pipe_config, 0, sizeof(*pipe_config)); | |
12712 | pipe_config->base.crtc = crtc; | |
12713 | pipe_config->base.state = old_state; | |
8af6cf88 | 12714 | |
4d20cd86 ML |
12715 | DRM_DEBUG_KMS("[CRTC:%d]\n", |
12716 | crtc->base.id); | |
8af6cf88 | 12717 | |
4d20cd86 ML |
12718 | active = dev_priv->display.get_pipe_config(intel_crtc, |
12719 | pipe_config); | |
d62cf62a | 12720 | |
b6b5d049 | 12721 | /* hw state is inconsistent with the pipe quirk */ |
4d20cd86 ML |
12722 | if ((intel_crtc->pipe == PIPE_A && dev_priv->quirks & QUIRK_PIPEA_FORCE) || |
12723 | (intel_crtc->pipe == PIPE_B && dev_priv->quirks & QUIRK_PIPEB_FORCE)) | |
12724 | active = crtc->state->active; | |
6c49f241 | 12725 | |
4d20cd86 | 12726 | I915_STATE_WARN(crtc->state->active != active, |
0e8ffe1b | 12727 | "crtc active state doesn't match with hw state " |
4d20cd86 | 12728 | "(expected %i, found %i)\n", crtc->state->active, active); |
0e8ffe1b | 12729 | |
4d20cd86 | 12730 | I915_STATE_WARN(intel_crtc->active != crtc->state->active, |
53d9f4e9 | 12731 | "transitional active state does not match atomic hw state " |
4d20cd86 ML |
12732 | "(expected %i, found %i)\n", crtc->state->active, intel_crtc->active); |
12733 | ||
12734 | for_each_encoder_on_crtc(dev, crtc, encoder) { | |
12735 | enum pipe pipe; | |
12736 | ||
12737 | active = encoder->get_hw_state(encoder, &pipe); | |
12738 | I915_STATE_WARN(active != crtc->state->active, | |
12739 | "[ENCODER:%i] active %i with crtc active %i\n", | |
12740 | encoder->base.base.id, active, crtc->state->active); | |
12741 | ||
12742 | I915_STATE_WARN(active && intel_crtc->pipe != pipe, | |
12743 | "Encoder connected to wrong pipe %c\n", | |
12744 | pipe_name(pipe)); | |
12745 | ||
12746 | if (active) | |
12747 | encoder->get_config(encoder, pipe_config); | |
12748 | } | |
53d9f4e9 | 12749 | |
4d20cd86 | 12750 | if (!crtc->state->active) |
cfb23ed6 ML |
12751 | continue; |
12752 | ||
4d20cd86 ML |
12753 | sw_config = to_intel_crtc_state(crtc->state); |
12754 | if (!intel_pipe_config_compare(dev, sw_config, | |
12755 | pipe_config, false)) { | |
e2c719b7 | 12756 | I915_STATE_WARN(1, "pipe state doesn't match!\n"); |
4d20cd86 | 12757 | intel_dump_pipe_config(intel_crtc, pipe_config, |
c0b03411 | 12758 | "[hw state]"); |
4d20cd86 | 12759 | intel_dump_pipe_config(intel_crtc, sw_config, |
c0b03411 DV |
12760 | "[sw state]"); |
12761 | } | |
8af6cf88 DV |
12762 | } |
12763 | } | |
12764 | ||
91d1b4bd DV |
12765 | static void |
12766 | check_shared_dpll_state(struct drm_device *dev) | |
12767 | { | |
fbee40df | 12768 | struct drm_i915_private *dev_priv = dev->dev_private; |
91d1b4bd DV |
12769 | struct intel_crtc *crtc; |
12770 | struct intel_dpll_hw_state dpll_hw_state; | |
12771 | int i; | |
5358901f DV |
12772 | |
12773 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { | |
12774 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
12775 | int enabled_crtcs = 0, active_crtcs = 0; | |
12776 | bool active; | |
12777 | ||
12778 | memset(&dpll_hw_state, 0, sizeof(dpll_hw_state)); | |
12779 | ||
12780 | DRM_DEBUG_KMS("%s\n", pll->name); | |
12781 | ||
12782 | active = pll->get_hw_state(dev_priv, pll, &dpll_hw_state); | |
12783 | ||
e2c719b7 | 12784 | I915_STATE_WARN(pll->active > hweight32(pll->config.crtc_mask), |
5358901f | 12785 | "more active pll users than references: %i vs %i\n", |
3e369b76 | 12786 | pll->active, hweight32(pll->config.crtc_mask)); |
e2c719b7 | 12787 | I915_STATE_WARN(pll->active && !pll->on, |
5358901f | 12788 | "pll in active use but not on in sw tracking\n"); |
e2c719b7 | 12789 | I915_STATE_WARN(pll->on && !pll->active, |
35c95375 | 12790 | "pll in on but not on in use in sw tracking\n"); |
e2c719b7 | 12791 | I915_STATE_WARN(pll->on != active, |
5358901f DV |
12792 | "pll on state mismatch (expected %i, found %i)\n", |
12793 | pll->on, active); | |
12794 | ||
d3fcc808 | 12795 | for_each_intel_crtc(dev, crtc) { |
83d65738 | 12796 | if (crtc->base.state->enable && intel_crtc_to_shared_dpll(crtc) == pll) |
5358901f DV |
12797 | enabled_crtcs++; |
12798 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) | |
12799 | active_crtcs++; | |
12800 | } | |
e2c719b7 | 12801 | I915_STATE_WARN(pll->active != active_crtcs, |
5358901f DV |
12802 | "pll active crtcs mismatch (expected %i, found %i)\n", |
12803 | pll->active, active_crtcs); | |
e2c719b7 | 12804 | I915_STATE_WARN(hweight32(pll->config.crtc_mask) != enabled_crtcs, |
5358901f | 12805 | "pll enabled crtcs mismatch (expected %i, found %i)\n", |
3e369b76 | 12806 | hweight32(pll->config.crtc_mask), enabled_crtcs); |
66e985c0 | 12807 | |
e2c719b7 | 12808 | I915_STATE_WARN(pll->on && memcmp(&pll->config.hw_state, &dpll_hw_state, |
66e985c0 DV |
12809 | sizeof(dpll_hw_state)), |
12810 | "pll hw state mismatch\n"); | |
5358901f | 12811 | } |
8af6cf88 DV |
12812 | } |
12813 | ||
ee165b1a ML |
12814 | static void |
12815 | intel_modeset_check_state(struct drm_device *dev, | |
12816 | struct drm_atomic_state *old_state) | |
91d1b4bd | 12817 | { |
08db6652 | 12818 | check_wm_state(dev); |
35dd3c64 | 12819 | check_connector_state(dev, old_state); |
91d1b4bd | 12820 | check_encoder_state(dev); |
4d20cd86 | 12821 | check_crtc_state(dev, old_state); |
91d1b4bd DV |
12822 | check_shared_dpll_state(dev); |
12823 | } | |
12824 | ||
5cec258b | 12825 | void ironlake_check_encoder_dotclock(const struct intel_crtc_state *pipe_config, |
18442d08 VS |
12826 | int dotclock) |
12827 | { | |
12828 | /* | |
12829 | * FDI already provided one idea for the dotclock. | |
12830 | * Yell if the encoder disagrees. | |
12831 | */ | |
2d112de7 | 12832 | WARN(!intel_fuzzy_clock_check(pipe_config->base.adjusted_mode.crtc_clock, dotclock), |
18442d08 | 12833 | "FDI dotclock and encoder dotclock mismatch, fdi: %i, encoder: %i\n", |
2d112de7 | 12834 | pipe_config->base.adjusted_mode.crtc_clock, dotclock); |
18442d08 VS |
12835 | } |
12836 | ||
80715b2f VS |
12837 | static void update_scanline_offset(struct intel_crtc *crtc) |
12838 | { | |
12839 | struct drm_device *dev = crtc->base.dev; | |
12840 | ||
12841 | /* | |
12842 | * The scanline counter increments at the leading edge of hsync. | |
12843 | * | |
12844 | * On most platforms it starts counting from vtotal-1 on the | |
12845 | * first active line. That means the scanline counter value is | |
12846 | * always one less than what we would expect. Ie. just after | |
12847 | * start of vblank, which also occurs at start of hsync (on the | |
12848 | * last active line), the scanline counter will read vblank_start-1. | |
12849 | * | |
12850 | * On gen2 the scanline counter starts counting from 1 instead | |
12851 | * of vtotal-1, so we have to subtract one (or rather add vtotal-1 | |
12852 | * to keep the value positive), instead of adding one. | |
12853 | * | |
12854 | * On HSW+ the behaviour of the scanline counter depends on the output | |
12855 | * type. For DP ports it behaves like most other platforms, but on HDMI | |
12856 | * there's an extra 1 line difference. So we need to add two instead of | |
12857 | * one to the value. | |
12858 | */ | |
12859 | if (IS_GEN2(dev)) { | |
124abe07 | 12860 | const struct drm_display_mode *adjusted_mode = &crtc->config->base.adjusted_mode; |
80715b2f VS |
12861 | int vtotal; |
12862 | ||
124abe07 VS |
12863 | vtotal = adjusted_mode->crtc_vtotal; |
12864 | if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) | |
80715b2f VS |
12865 | vtotal /= 2; |
12866 | ||
12867 | crtc->scanline_offset = vtotal - 1; | |
12868 | } else if (HAS_DDI(dev) && | |
409ee761 | 12869 | intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) { |
80715b2f VS |
12870 | crtc->scanline_offset = 2; |
12871 | } else | |
12872 | crtc->scanline_offset = 1; | |
12873 | } | |
12874 | ||
ad421372 | 12875 | static void intel_modeset_clear_plls(struct drm_atomic_state *state) |
ed6739ef | 12876 | { |
225da59b | 12877 | struct drm_device *dev = state->dev; |
ed6739ef | 12878 | struct drm_i915_private *dev_priv = to_i915(dev); |
ad421372 | 12879 | struct intel_shared_dpll_config *shared_dpll = NULL; |
ed6739ef | 12880 | struct intel_crtc *intel_crtc; |
0a9ab303 ACO |
12881 | struct intel_crtc_state *intel_crtc_state; |
12882 | struct drm_crtc *crtc; | |
12883 | struct drm_crtc_state *crtc_state; | |
0a9ab303 | 12884 | int i; |
ed6739ef ACO |
12885 | |
12886 | if (!dev_priv->display.crtc_compute_clock) | |
ad421372 | 12887 | return; |
ed6739ef | 12888 | |
0a9ab303 | 12889 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
ad421372 ML |
12890 | int dpll; |
12891 | ||
0a9ab303 | 12892 | intel_crtc = to_intel_crtc(crtc); |
4978cc93 | 12893 | intel_crtc_state = to_intel_crtc_state(crtc_state); |
ad421372 | 12894 | dpll = intel_crtc_state->shared_dpll; |
0a9ab303 | 12895 | |
ad421372 | 12896 | if (!needs_modeset(crtc_state) || dpll == DPLL_ID_PRIVATE) |
225da59b ACO |
12897 | continue; |
12898 | ||
ad421372 | 12899 | intel_crtc_state->shared_dpll = DPLL_ID_PRIVATE; |
0a9ab303 | 12900 | |
ad421372 ML |
12901 | if (!shared_dpll) |
12902 | shared_dpll = intel_atomic_get_shared_dpll_state(state); | |
ed6739ef | 12903 | |
ad421372 ML |
12904 | shared_dpll[dpll].crtc_mask &= ~(1 << intel_crtc->pipe); |
12905 | } | |
ed6739ef ACO |
12906 | } |
12907 | ||
99d736a2 ML |
12908 | /* |
12909 | * This implements the workaround described in the "notes" section of the mode | |
12910 | * set sequence documentation. When going from no pipes or single pipe to | |
12911 | * multiple pipes, and planes are enabled after the pipe, we need to wait at | |
12912 | * least 2 vblanks on the first pipe before enabling planes on the second pipe. | |
12913 | */ | |
12914 | static int haswell_mode_set_planes_workaround(struct drm_atomic_state *state) | |
12915 | { | |
12916 | struct drm_crtc_state *crtc_state; | |
12917 | struct intel_crtc *intel_crtc; | |
12918 | struct drm_crtc *crtc; | |
12919 | struct intel_crtc_state *first_crtc_state = NULL; | |
12920 | struct intel_crtc_state *other_crtc_state = NULL; | |
12921 | enum pipe first_pipe = INVALID_PIPE, enabled_pipe = INVALID_PIPE; | |
12922 | int i; | |
12923 | ||
12924 | /* look at all crtc's that are going to be enabled in during modeset */ | |
12925 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
12926 | intel_crtc = to_intel_crtc(crtc); | |
12927 | ||
12928 | if (!crtc_state->active || !needs_modeset(crtc_state)) | |
12929 | continue; | |
12930 | ||
12931 | if (first_crtc_state) { | |
12932 | other_crtc_state = to_intel_crtc_state(crtc_state); | |
12933 | break; | |
12934 | } else { | |
12935 | first_crtc_state = to_intel_crtc_state(crtc_state); | |
12936 | first_pipe = intel_crtc->pipe; | |
12937 | } | |
12938 | } | |
12939 | ||
12940 | /* No workaround needed? */ | |
12941 | if (!first_crtc_state) | |
12942 | return 0; | |
12943 | ||
12944 | /* w/a possibly needed, check how many crtc's are already enabled. */ | |
12945 | for_each_intel_crtc(state->dev, intel_crtc) { | |
12946 | struct intel_crtc_state *pipe_config; | |
12947 | ||
12948 | pipe_config = intel_atomic_get_crtc_state(state, intel_crtc); | |
12949 | if (IS_ERR(pipe_config)) | |
12950 | return PTR_ERR(pipe_config); | |
12951 | ||
12952 | pipe_config->hsw_workaround_pipe = INVALID_PIPE; | |
12953 | ||
12954 | if (!pipe_config->base.active || | |
12955 | needs_modeset(&pipe_config->base)) | |
12956 | continue; | |
12957 | ||
12958 | /* 2 or more enabled crtcs means no need for w/a */ | |
12959 | if (enabled_pipe != INVALID_PIPE) | |
12960 | return 0; | |
12961 | ||
12962 | enabled_pipe = intel_crtc->pipe; | |
12963 | } | |
12964 | ||
12965 | if (enabled_pipe != INVALID_PIPE) | |
12966 | first_crtc_state->hsw_workaround_pipe = enabled_pipe; | |
12967 | else if (other_crtc_state) | |
12968 | other_crtc_state->hsw_workaround_pipe = first_pipe; | |
12969 | ||
12970 | return 0; | |
12971 | } | |
12972 | ||
27c329ed ML |
12973 | static int intel_modeset_all_pipes(struct drm_atomic_state *state) |
12974 | { | |
12975 | struct drm_crtc *crtc; | |
12976 | struct drm_crtc_state *crtc_state; | |
12977 | int ret = 0; | |
12978 | ||
12979 | /* add all active pipes to the state */ | |
12980 | for_each_crtc(state->dev, crtc) { | |
12981 | crtc_state = drm_atomic_get_crtc_state(state, crtc); | |
12982 | if (IS_ERR(crtc_state)) | |
12983 | return PTR_ERR(crtc_state); | |
12984 | ||
12985 | if (!crtc_state->active || needs_modeset(crtc_state)) | |
12986 | continue; | |
12987 | ||
12988 | crtc_state->mode_changed = true; | |
12989 | ||
12990 | ret = drm_atomic_add_affected_connectors(state, crtc); | |
12991 | if (ret) | |
12992 | break; | |
12993 | ||
12994 | ret = drm_atomic_add_affected_planes(state, crtc); | |
12995 | if (ret) | |
12996 | break; | |
12997 | } | |
12998 | ||
12999 | return ret; | |
13000 | } | |
13001 | ||
c347a676 | 13002 | static int intel_modeset_checks(struct drm_atomic_state *state) |
054518dd ACO |
13003 | { |
13004 | struct drm_device *dev = state->dev; | |
27c329ed | 13005 | struct drm_i915_private *dev_priv = dev->dev_private; |
054518dd ACO |
13006 | int ret; |
13007 | ||
b359283a ML |
13008 | if (!check_digital_port_conflicts(state)) { |
13009 | DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n"); | |
13010 | return -EINVAL; | |
13011 | } | |
13012 | ||
054518dd ACO |
13013 | /* |
13014 | * See if the config requires any additional preparation, e.g. | |
13015 | * to adjust global state with pipes off. We need to do this | |
13016 | * here so we can get the modeset_pipe updated config for the new | |
13017 | * mode set on this crtc. For other crtcs we need to use the | |
13018 | * adjusted_mode bits in the crtc directly. | |
13019 | */ | |
27c329ed ML |
13020 | if (dev_priv->display.modeset_calc_cdclk) { |
13021 | unsigned int cdclk; | |
b432e5cf | 13022 | |
27c329ed ML |
13023 | ret = dev_priv->display.modeset_calc_cdclk(state); |
13024 | ||
13025 | cdclk = to_intel_atomic_state(state)->cdclk; | |
13026 | if (!ret && cdclk != dev_priv->cdclk_freq) | |
13027 | ret = intel_modeset_all_pipes(state); | |
13028 | ||
13029 | if (ret < 0) | |
054518dd | 13030 | return ret; |
27c329ed ML |
13031 | } else |
13032 | to_intel_atomic_state(state)->cdclk = dev_priv->cdclk_freq; | |
054518dd | 13033 | |
ad421372 | 13034 | intel_modeset_clear_plls(state); |
054518dd | 13035 | |
99d736a2 | 13036 | if (IS_HASWELL(dev)) |
ad421372 | 13037 | return haswell_mode_set_planes_workaround(state); |
99d736a2 | 13038 | |
ad421372 | 13039 | return 0; |
c347a676 ACO |
13040 | } |
13041 | ||
aa363136 MR |
13042 | /* |
13043 | * Handle calculation of various watermark data at the end of the atomic check | |
13044 | * phase. The code here should be run after the per-crtc and per-plane 'check' | |
13045 | * handlers to ensure that all derived state has been updated. | |
13046 | */ | |
13047 | static void calc_watermark_data(struct drm_atomic_state *state) | |
13048 | { | |
13049 | struct drm_device *dev = state->dev; | |
13050 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); | |
13051 | struct drm_crtc *crtc; | |
13052 | struct drm_crtc_state *cstate; | |
13053 | struct drm_plane *plane; | |
13054 | struct drm_plane_state *pstate; | |
13055 | ||
13056 | /* | |
13057 | * Calculate watermark configuration details now that derived | |
13058 | * plane/crtc state is all properly updated. | |
13059 | */ | |
13060 | drm_for_each_crtc(crtc, dev) { | |
13061 | cstate = drm_atomic_get_existing_crtc_state(state, crtc) ?: | |
13062 | crtc->state; | |
13063 | ||
13064 | if (cstate->active) | |
13065 | intel_state->wm_config.num_pipes_active++; | |
13066 | } | |
13067 | drm_for_each_legacy_plane(plane, dev) { | |
13068 | pstate = drm_atomic_get_existing_plane_state(state, plane) ?: | |
13069 | plane->state; | |
13070 | ||
13071 | if (!to_intel_plane_state(pstate)->visible) | |
13072 | continue; | |
13073 | ||
13074 | intel_state->wm_config.sprites_enabled = true; | |
13075 | if (pstate->crtc_w != pstate->src_w >> 16 || | |
13076 | pstate->crtc_h != pstate->src_h >> 16) | |
13077 | intel_state->wm_config.sprites_scaled = true; | |
13078 | } | |
13079 | } | |
13080 | ||
74c090b1 ML |
13081 | /** |
13082 | * intel_atomic_check - validate state object | |
13083 | * @dev: drm device | |
13084 | * @state: state to validate | |
13085 | */ | |
13086 | static int intel_atomic_check(struct drm_device *dev, | |
13087 | struct drm_atomic_state *state) | |
c347a676 | 13088 | { |
aa363136 | 13089 | struct intel_atomic_state *intel_state = to_intel_atomic_state(state); |
c347a676 ACO |
13090 | struct drm_crtc *crtc; |
13091 | struct drm_crtc_state *crtc_state; | |
13092 | int ret, i; | |
61333b60 | 13093 | bool any_ms = false; |
c347a676 | 13094 | |
74c090b1 | 13095 | ret = drm_atomic_helper_check_modeset(dev, state); |
054518dd ACO |
13096 | if (ret) |
13097 | return ret; | |
13098 | ||
c347a676 | 13099 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
cfb23ed6 ML |
13100 | struct intel_crtc_state *pipe_config = |
13101 | to_intel_crtc_state(crtc_state); | |
1ed51de9 DV |
13102 | |
13103 | /* Catch I915_MODE_FLAG_INHERITED */ | |
13104 | if (crtc_state->mode.private_flags != crtc->state->mode.private_flags) | |
13105 | crtc_state->mode_changed = true; | |
cfb23ed6 | 13106 | |
61333b60 ML |
13107 | if (!crtc_state->enable) { |
13108 | if (needs_modeset(crtc_state)) | |
13109 | any_ms = true; | |
c347a676 | 13110 | continue; |
61333b60 | 13111 | } |
c347a676 | 13112 | |
26495481 | 13113 | if (!needs_modeset(crtc_state)) |
cfb23ed6 ML |
13114 | continue; |
13115 | ||
26495481 DV |
13116 | /* FIXME: For only active_changed we shouldn't need to do any |
13117 | * state recomputation at all. */ | |
13118 | ||
1ed51de9 DV |
13119 | ret = drm_atomic_add_affected_connectors(state, crtc); |
13120 | if (ret) | |
13121 | return ret; | |
b359283a | 13122 | |
cfb23ed6 | 13123 | ret = intel_modeset_pipe_config(crtc, pipe_config); |
c347a676 ACO |
13124 | if (ret) |
13125 | return ret; | |
13126 | ||
6764e9f8 | 13127 | if (intel_pipe_config_compare(state->dev, |
cfb23ed6 | 13128 | to_intel_crtc_state(crtc->state), |
1ed51de9 | 13129 | pipe_config, true)) { |
26495481 | 13130 | crtc_state->mode_changed = false; |
bfd16b2a | 13131 | to_intel_crtc_state(crtc_state)->update_pipe = true; |
26495481 DV |
13132 | } |
13133 | ||
13134 | if (needs_modeset(crtc_state)) { | |
13135 | any_ms = true; | |
cfb23ed6 ML |
13136 | |
13137 | ret = drm_atomic_add_affected_planes(state, crtc); | |
13138 | if (ret) | |
13139 | return ret; | |
13140 | } | |
61333b60 | 13141 | |
26495481 DV |
13142 | intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config, |
13143 | needs_modeset(crtc_state) ? | |
13144 | "[modeset]" : "[fastset]"); | |
c347a676 ACO |
13145 | } |
13146 | ||
61333b60 ML |
13147 | if (any_ms) { |
13148 | ret = intel_modeset_checks(state); | |
13149 | ||
13150 | if (ret) | |
13151 | return ret; | |
27c329ed | 13152 | } else |
aa363136 | 13153 | intel_state->cdclk = to_i915(state->dev)->cdclk_freq; |
76305b1a | 13154 | |
aa363136 MR |
13155 | ret = drm_atomic_helper_check_planes(state->dev, state); |
13156 | if (ret) | |
13157 | return ret; | |
13158 | ||
13159 | calc_watermark_data(state); | |
13160 | ||
13161 | return 0; | |
054518dd ACO |
13162 | } |
13163 | ||
5008e874 ML |
13164 | static int intel_atomic_prepare_commit(struct drm_device *dev, |
13165 | struct drm_atomic_state *state, | |
13166 | bool async) | |
13167 | { | |
7580d774 ML |
13168 | struct drm_i915_private *dev_priv = dev->dev_private; |
13169 | struct drm_plane_state *plane_state; | |
5008e874 | 13170 | struct drm_crtc_state *crtc_state; |
7580d774 | 13171 | struct drm_plane *plane; |
5008e874 ML |
13172 | struct drm_crtc *crtc; |
13173 | int i, ret; | |
13174 | ||
13175 | if (async) { | |
13176 | DRM_DEBUG_KMS("i915 does not yet support async commit\n"); | |
13177 | return -EINVAL; | |
13178 | } | |
13179 | ||
13180 | for_each_crtc_in_state(state, crtc, crtc_state, i) { | |
13181 | ret = intel_crtc_wait_for_pending_flips(crtc); | |
13182 | if (ret) | |
13183 | return ret; | |
7580d774 ML |
13184 | |
13185 | if (atomic_read(&to_intel_crtc(crtc)->unpin_work_count) >= 2) | |
13186 | flush_workqueue(dev_priv->wq); | |
5008e874 ML |
13187 | } |
13188 | ||
f935675f ML |
13189 | ret = mutex_lock_interruptible(&dev->struct_mutex); |
13190 | if (ret) | |
13191 | return ret; | |
13192 | ||
5008e874 | 13193 | ret = drm_atomic_helper_prepare_planes(dev, state); |
7580d774 ML |
13194 | if (!ret && !async && !i915_reset_in_progress(&dev_priv->gpu_error)) { |
13195 | u32 reset_counter; | |
13196 | ||
13197 | reset_counter = atomic_read(&dev_priv->gpu_error.reset_counter); | |
13198 | mutex_unlock(&dev->struct_mutex); | |
13199 | ||
13200 | for_each_plane_in_state(state, plane, plane_state, i) { | |
13201 | struct intel_plane_state *intel_plane_state = | |
13202 | to_intel_plane_state(plane_state); | |
13203 | ||
13204 | if (!intel_plane_state->wait_req) | |
13205 | continue; | |
13206 | ||
13207 | ret = __i915_wait_request(intel_plane_state->wait_req, | |
13208 | reset_counter, true, | |
13209 | NULL, NULL); | |
13210 | ||
13211 | /* Swallow -EIO errors to allow updates during hw lockup. */ | |
13212 | if (ret == -EIO) | |
13213 | ret = 0; | |
13214 | ||
13215 | if (ret) | |
13216 | break; | |
13217 | } | |
13218 | ||
13219 | if (!ret) | |
13220 | return 0; | |
13221 | ||
13222 | mutex_lock(&dev->struct_mutex); | |
13223 | drm_atomic_helper_cleanup_planes(dev, state); | |
13224 | } | |
5008e874 | 13225 | |
f935675f | 13226 | mutex_unlock(&dev->struct_mutex); |
5008e874 ML |
13227 | return ret; |
13228 | } | |
13229 | ||
74c090b1 ML |
13230 | /** |
13231 | * intel_atomic_commit - commit validated state object | |
13232 | * @dev: DRM device | |
13233 | * @state: the top-level driver state object | |
13234 | * @async: asynchronous commit | |
13235 | * | |
13236 | * This function commits a top-level state object that has been validated | |
13237 | * with drm_atomic_helper_check(). | |
13238 | * | |
13239 | * FIXME: Atomic modeset support for i915 is not yet complete. At the moment | |
13240 | * we can only handle plane-related operations and do not yet support | |
13241 | * asynchronous commit. | |
13242 | * | |
13243 | * RETURNS | |
13244 | * Zero for success or -errno. | |
13245 | */ | |
13246 | static int intel_atomic_commit(struct drm_device *dev, | |
13247 | struct drm_atomic_state *state, | |
13248 | bool async) | |
a6778b3c | 13249 | { |
fbee40df | 13250 | struct drm_i915_private *dev_priv = dev->dev_private; |
0a9ab303 | 13251 | struct drm_crtc_state *crtc_state; |
7580d774 | 13252 | struct drm_crtc *crtc; |
c0c36b94 | 13253 | int ret = 0; |
0a9ab303 | 13254 | int i; |
61333b60 | 13255 | bool any_ms = false; |
a6778b3c | 13256 | |
5008e874 | 13257 | ret = intel_atomic_prepare_commit(dev, state, async); |
7580d774 ML |
13258 | if (ret) { |
13259 | DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret); | |
d4afb8cc | 13260 | return ret; |
7580d774 | 13261 | } |
d4afb8cc | 13262 | |
1c5e19f8 | 13263 | drm_atomic_helper_swap_state(dev, state); |
aa363136 | 13264 | dev_priv->wm.config = to_intel_atomic_state(state)->wm_config; |
1c5e19f8 | 13265 | |
0a9ab303 | 13266 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
a539205a ML |
13267 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
13268 | ||
61333b60 ML |
13269 | if (!needs_modeset(crtc->state)) |
13270 | continue; | |
13271 | ||
13272 | any_ms = true; | |
a539205a | 13273 | intel_pre_plane_update(intel_crtc); |
460da916 | 13274 | |
a539205a ML |
13275 | if (crtc_state->active) { |
13276 | intel_crtc_disable_planes(crtc, crtc_state->plane_mask); | |
13277 | dev_priv->display.crtc_disable(crtc); | |
eddfcbcd ML |
13278 | intel_crtc->active = false; |
13279 | intel_disable_shared_dpll(intel_crtc); | |
a539205a | 13280 | } |
b8cecdf5 | 13281 | } |
7758a113 | 13282 | |
ea9d758d DV |
13283 | /* Only after disabling all output pipelines that will be changed can we |
13284 | * update the the output configuration. */ | |
4740b0f2 | 13285 | intel_modeset_update_crtc_state(state); |
f6e5b160 | 13286 | |
4740b0f2 ML |
13287 | if (any_ms) { |
13288 | intel_shared_dpll_commit(state); | |
13289 | ||
13290 | drm_atomic_helper_update_legacy_modeset_state(state->dev, state); | |
61333b60 | 13291 | modeset_update_crtc_power_domains(state); |
4740b0f2 | 13292 | } |
47fab737 | 13293 | |
a6778b3c | 13294 | /* Now enable the clocks, plane, pipe, and connectors that we set up. */ |
0a9ab303 | 13295 | for_each_crtc_in_state(state, crtc, crtc_state, i) { |
f6ac4b2a ML |
13296 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
13297 | bool modeset = needs_modeset(crtc->state); | |
bfd16b2a ML |
13298 | bool update_pipe = !modeset && |
13299 | to_intel_crtc_state(crtc->state)->update_pipe; | |
13300 | unsigned long put_domains = 0; | |
f6ac4b2a ML |
13301 | |
13302 | if (modeset && crtc->state->active) { | |
a539205a ML |
13303 | update_scanline_offset(to_intel_crtc(crtc)); |
13304 | dev_priv->display.crtc_enable(crtc); | |
13305 | } | |
80715b2f | 13306 | |
bfd16b2a ML |
13307 | if (update_pipe) { |
13308 | put_domains = modeset_get_crtc_power_domains(crtc); | |
13309 | ||
13310 | /* make sure intel_modeset_check_state runs */ | |
13311 | any_ms = true; | |
13312 | } | |
13313 | ||
f6ac4b2a ML |
13314 | if (!modeset) |
13315 | intel_pre_plane_update(intel_crtc); | |
13316 | ||
6173ee28 ML |
13317 | if (crtc->state->active && |
13318 | (crtc->state->planes_changed || update_pipe)) | |
62852622 | 13319 | drm_atomic_helper_commit_planes_on_crtc(crtc_state); |
bfd16b2a ML |
13320 | |
13321 | if (put_domains) | |
13322 | modeset_put_power_domains(dev_priv, put_domains); | |
13323 | ||
f6ac4b2a | 13324 | intel_post_plane_update(intel_crtc); |
80715b2f | 13325 | } |
a6778b3c | 13326 | |
a6778b3c | 13327 | /* FIXME: add subpixel order */ |
83a57153 | 13328 | |
74c090b1 | 13329 | drm_atomic_helper_wait_for_vblanks(dev, state); |
f935675f ML |
13330 | |
13331 | mutex_lock(&dev->struct_mutex); | |
d4afb8cc | 13332 | drm_atomic_helper_cleanup_planes(dev, state); |
f935675f | 13333 | mutex_unlock(&dev->struct_mutex); |
2bfb4627 | 13334 | |
74c090b1 | 13335 | if (any_ms) |
ee165b1a ML |
13336 | intel_modeset_check_state(dev, state); |
13337 | ||
13338 | drm_atomic_state_free(state); | |
f30da187 | 13339 | |
74c090b1 | 13340 | return 0; |
7f27126e JB |
13341 | } |
13342 | ||
c0c36b94 CW |
13343 | void intel_crtc_restore_mode(struct drm_crtc *crtc) |
13344 | { | |
83a57153 ACO |
13345 | struct drm_device *dev = crtc->dev; |
13346 | struct drm_atomic_state *state; | |
e694eb02 | 13347 | struct drm_crtc_state *crtc_state; |
2bfb4627 | 13348 | int ret; |
83a57153 ACO |
13349 | |
13350 | state = drm_atomic_state_alloc(dev); | |
13351 | if (!state) { | |
e694eb02 | 13352 | DRM_DEBUG_KMS("[CRTC:%d] crtc restore failed, out of memory", |
83a57153 ACO |
13353 | crtc->base.id); |
13354 | return; | |
13355 | } | |
13356 | ||
e694eb02 | 13357 | state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc); |
83a57153 | 13358 | |
e694eb02 ML |
13359 | retry: |
13360 | crtc_state = drm_atomic_get_crtc_state(state, crtc); | |
13361 | ret = PTR_ERR_OR_ZERO(crtc_state); | |
13362 | if (!ret) { | |
13363 | if (!crtc_state->active) | |
13364 | goto out; | |
83a57153 | 13365 | |
e694eb02 | 13366 | crtc_state->mode_changed = true; |
74c090b1 | 13367 | ret = drm_atomic_commit(state); |
83a57153 ACO |
13368 | } |
13369 | ||
e694eb02 ML |
13370 | if (ret == -EDEADLK) { |
13371 | drm_atomic_state_clear(state); | |
13372 | drm_modeset_backoff(state->acquire_ctx); | |
13373 | goto retry; | |
4ed9fb37 | 13374 | } |
4be07317 | 13375 | |
2bfb4627 | 13376 | if (ret) |
e694eb02 | 13377 | out: |
2bfb4627 | 13378 | drm_atomic_state_free(state); |
c0c36b94 CW |
13379 | } |
13380 | ||
25c5b266 DV |
13381 | #undef for_each_intel_crtc_masked |
13382 | ||
f6e5b160 | 13383 | static const struct drm_crtc_funcs intel_crtc_funcs = { |
f6e5b160 | 13384 | .gamma_set = intel_crtc_gamma_set, |
74c090b1 | 13385 | .set_config = drm_atomic_helper_set_config, |
f6e5b160 CW |
13386 | .destroy = intel_crtc_destroy, |
13387 | .page_flip = intel_crtc_page_flip, | |
1356837e MR |
13388 | .atomic_duplicate_state = intel_crtc_duplicate_state, |
13389 | .atomic_destroy_state = intel_crtc_destroy_state, | |
f6e5b160 CW |
13390 | }; |
13391 | ||
5358901f DV |
13392 | static bool ibx_pch_dpll_get_hw_state(struct drm_i915_private *dev_priv, |
13393 | struct intel_shared_dpll *pll, | |
13394 | struct intel_dpll_hw_state *hw_state) | |
ee7b9f93 | 13395 | { |
5358901f | 13396 | uint32_t val; |
ee7b9f93 | 13397 | |
f458ebbc | 13398 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_PLLS)) |
bd2bb1b9 PZ |
13399 | return false; |
13400 | ||
5358901f | 13401 | val = I915_READ(PCH_DPLL(pll->id)); |
66e985c0 DV |
13402 | hw_state->dpll = val; |
13403 | hw_state->fp0 = I915_READ(PCH_FP0(pll->id)); | |
13404 | hw_state->fp1 = I915_READ(PCH_FP1(pll->id)); | |
5358901f DV |
13405 | |
13406 | return val & DPLL_VCO_ENABLE; | |
13407 | } | |
13408 | ||
15bdd4cf DV |
13409 | static void ibx_pch_dpll_mode_set(struct drm_i915_private *dev_priv, |
13410 | struct intel_shared_dpll *pll) | |
13411 | { | |
3e369b76 ACO |
13412 | I915_WRITE(PCH_FP0(pll->id), pll->config.hw_state.fp0); |
13413 | I915_WRITE(PCH_FP1(pll->id), pll->config.hw_state.fp1); | |
15bdd4cf DV |
13414 | } |
13415 | ||
e7b903d2 DV |
13416 | static void ibx_pch_dpll_enable(struct drm_i915_private *dev_priv, |
13417 | struct intel_shared_dpll *pll) | |
13418 | { | |
e7b903d2 | 13419 | /* PCH refclock must be enabled first */ |
89eff4be | 13420 | ibx_assert_pch_refclk_enabled(dev_priv); |
e7b903d2 | 13421 | |
3e369b76 | 13422 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
15bdd4cf DV |
13423 | |
13424 | /* Wait for the clocks to stabilize. */ | |
13425 | POSTING_READ(PCH_DPLL(pll->id)); | |
13426 | udelay(150); | |
13427 | ||
13428 | /* The pixel multiplier can only be updated once the | |
13429 | * DPLL is enabled and the clocks are stable. | |
13430 | * | |
13431 | * So write it again. | |
13432 | */ | |
3e369b76 | 13433 | I915_WRITE(PCH_DPLL(pll->id), pll->config.hw_state.dpll); |
15bdd4cf | 13434 | POSTING_READ(PCH_DPLL(pll->id)); |
e7b903d2 DV |
13435 | udelay(200); |
13436 | } | |
13437 | ||
13438 | static void ibx_pch_dpll_disable(struct drm_i915_private *dev_priv, | |
13439 | struct intel_shared_dpll *pll) | |
13440 | { | |
13441 | struct drm_device *dev = dev_priv->dev; | |
13442 | struct intel_crtc *crtc; | |
e7b903d2 DV |
13443 | |
13444 | /* Make sure no transcoder isn't still depending on us. */ | |
d3fcc808 | 13445 | for_each_intel_crtc(dev, crtc) { |
e7b903d2 DV |
13446 | if (intel_crtc_to_shared_dpll(crtc) == pll) |
13447 | assert_pch_transcoder_disabled(dev_priv, crtc->pipe); | |
ee7b9f93 JB |
13448 | } |
13449 | ||
15bdd4cf DV |
13450 | I915_WRITE(PCH_DPLL(pll->id), 0); |
13451 | POSTING_READ(PCH_DPLL(pll->id)); | |
e7b903d2 DV |
13452 | udelay(200); |
13453 | } | |
13454 | ||
46edb027 DV |
13455 | static char *ibx_pch_dpll_names[] = { |
13456 | "PCH DPLL A", | |
13457 | "PCH DPLL B", | |
13458 | }; | |
13459 | ||
7c74ade1 | 13460 | static void ibx_pch_dpll_init(struct drm_device *dev) |
ee7b9f93 | 13461 | { |
e7b903d2 | 13462 | struct drm_i915_private *dev_priv = dev->dev_private; |
ee7b9f93 JB |
13463 | int i; |
13464 | ||
7c74ade1 | 13465 | dev_priv->num_shared_dpll = 2; |
ee7b9f93 | 13466 | |
e72f9fbf | 13467 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
46edb027 DV |
13468 | dev_priv->shared_dplls[i].id = i; |
13469 | dev_priv->shared_dplls[i].name = ibx_pch_dpll_names[i]; | |
15bdd4cf | 13470 | dev_priv->shared_dplls[i].mode_set = ibx_pch_dpll_mode_set; |
e7b903d2 DV |
13471 | dev_priv->shared_dplls[i].enable = ibx_pch_dpll_enable; |
13472 | dev_priv->shared_dplls[i].disable = ibx_pch_dpll_disable; | |
5358901f DV |
13473 | dev_priv->shared_dplls[i].get_hw_state = |
13474 | ibx_pch_dpll_get_hw_state; | |
ee7b9f93 JB |
13475 | } |
13476 | } | |
13477 | ||
7c74ade1 DV |
13478 | static void intel_shared_dpll_init(struct drm_device *dev) |
13479 | { | |
e7b903d2 | 13480 | struct drm_i915_private *dev_priv = dev->dev_private; |
7c74ade1 | 13481 | |
9cd86933 DV |
13482 | if (HAS_DDI(dev)) |
13483 | intel_ddi_pll_init(dev); | |
13484 | else if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) | |
7c74ade1 DV |
13485 | ibx_pch_dpll_init(dev); |
13486 | else | |
13487 | dev_priv->num_shared_dpll = 0; | |
13488 | ||
13489 | BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS); | |
7c74ade1 DV |
13490 | } |
13491 | ||
6beb8c23 MR |
13492 | /** |
13493 | * intel_prepare_plane_fb - Prepare fb for usage on plane | |
13494 | * @plane: drm plane to prepare for | |
13495 | * @fb: framebuffer to prepare for presentation | |
13496 | * | |
13497 | * Prepares a framebuffer for usage on a display plane. Generally this | |
13498 | * involves pinning the underlying object and updating the frontbuffer tracking | |
13499 | * bits. Some older platforms need special physical address handling for | |
13500 | * cursor planes. | |
13501 | * | |
f935675f ML |
13502 | * Must be called with struct_mutex held. |
13503 | * | |
6beb8c23 MR |
13504 | * Returns 0 on success, negative error code on failure. |
13505 | */ | |
13506 | int | |
13507 | intel_prepare_plane_fb(struct drm_plane *plane, | |
d136dfee | 13508 | const struct drm_plane_state *new_state) |
465c120c MR |
13509 | { |
13510 | struct drm_device *dev = plane->dev; | |
844f9111 | 13511 | struct drm_framebuffer *fb = new_state->fb; |
6beb8c23 | 13512 | struct intel_plane *intel_plane = to_intel_plane(plane); |
6beb8c23 | 13513 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
1ee49399 | 13514 | struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->state->fb); |
6beb8c23 | 13515 | int ret = 0; |
465c120c | 13516 | |
1ee49399 | 13517 | if (!obj && !old_obj) |
465c120c MR |
13518 | return 0; |
13519 | ||
5008e874 ML |
13520 | if (old_obj) { |
13521 | struct drm_crtc_state *crtc_state = | |
13522 | drm_atomic_get_existing_crtc_state(new_state->state, plane->state->crtc); | |
13523 | ||
13524 | /* Big Hammer, we also need to ensure that any pending | |
13525 | * MI_WAIT_FOR_EVENT inside a user batch buffer on the | |
13526 | * current scanout is retired before unpinning the old | |
13527 | * framebuffer. Note that we rely on userspace rendering | |
13528 | * into the buffer attached to the pipe they are waiting | |
13529 | * on. If not, userspace generates a GPU hang with IPEHR | |
13530 | * point to the MI_WAIT_FOR_EVENT. | |
13531 | * | |
13532 | * This should only fail upon a hung GPU, in which case we | |
13533 | * can safely continue. | |
13534 | */ | |
13535 | if (needs_modeset(crtc_state)) | |
13536 | ret = i915_gem_object_wait_rendering(old_obj, true); | |
13537 | ||
13538 | /* Swallow -EIO errors to allow updates during hw lockup. */ | |
13539 | if (ret && ret != -EIO) | |
f935675f | 13540 | return ret; |
5008e874 ML |
13541 | } |
13542 | ||
1ee49399 ML |
13543 | if (!obj) { |
13544 | ret = 0; | |
13545 | } else if (plane->type == DRM_PLANE_TYPE_CURSOR && | |
6beb8c23 MR |
13546 | INTEL_INFO(dev)->cursor_needs_physical) { |
13547 | int align = IS_I830(dev) ? 16 * 1024 : 256; | |
13548 | ret = i915_gem_object_attach_phys(obj, align); | |
13549 | if (ret) | |
13550 | DRM_DEBUG_KMS("failed to attach phys object\n"); | |
13551 | } else { | |
7580d774 | 13552 | ret = intel_pin_and_fence_fb_obj(plane, fb, new_state); |
6beb8c23 | 13553 | } |
465c120c | 13554 | |
7580d774 ML |
13555 | if (ret == 0) { |
13556 | if (obj) { | |
13557 | struct intel_plane_state *plane_state = | |
13558 | to_intel_plane_state(new_state); | |
13559 | ||
13560 | i915_gem_request_assign(&plane_state->wait_req, | |
13561 | obj->last_write_req); | |
13562 | } | |
13563 | ||
a9ff8714 | 13564 | i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit); |
7580d774 | 13565 | } |
fdd508a6 | 13566 | |
6beb8c23 MR |
13567 | return ret; |
13568 | } | |
13569 | ||
38f3ce3a MR |
13570 | /** |
13571 | * intel_cleanup_plane_fb - Cleans up an fb after plane use | |
13572 | * @plane: drm plane to clean up for | |
13573 | * @fb: old framebuffer that was on plane | |
13574 | * | |
13575 | * Cleans up a framebuffer that has just been removed from a plane. | |
f935675f ML |
13576 | * |
13577 | * Must be called with struct_mutex held. | |
38f3ce3a MR |
13578 | */ |
13579 | void | |
13580 | intel_cleanup_plane_fb(struct drm_plane *plane, | |
d136dfee | 13581 | const struct drm_plane_state *old_state) |
38f3ce3a MR |
13582 | { |
13583 | struct drm_device *dev = plane->dev; | |
1ee49399 | 13584 | struct intel_plane *intel_plane = to_intel_plane(plane); |
7580d774 | 13585 | struct intel_plane_state *old_intel_state; |
1ee49399 ML |
13586 | struct drm_i915_gem_object *old_obj = intel_fb_obj(old_state->fb); |
13587 | struct drm_i915_gem_object *obj = intel_fb_obj(plane->state->fb); | |
38f3ce3a | 13588 | |
7580d774 ML |
13589 | old_intel_state = to_intel_plane_state(old_state); |
13590 | ||
1ee49399 | 13591 | if (!obj && !old_obj) |
38f3ce3a MR |
13592 | return; |
13593 | ||
1ee49399 ML |
13594 | if (old_obj && (plane->type != DRM_PLANE_TYPE_CURSOR || |
13595 | !INTEL_INFO(dev)->cursor_needs_physical)) | |
844f9111 | 13596 | intel_unpin_fb_obj(old_state->fb, old_state); |
1ee49399 ML |
13597 | |
13598 | /* prepare_fb aborted? */ | |
13599 | if ((old_obj && (old_obj->frontbuffer_bits & intel_plane->frontbuffer_bit)) || | |
13600 | (obj && !(obj->frontbuffer_bits & intel_plane->frontbuffer_bit))) | |
13601 | i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit); | |
7580d774 ML |
13602 | |
13603 | i915_gem_request_assign(&old_intel_state->wait_req, NULL); | |
13604 | ||
465c120c MR |
13605 | } |
13606 | ||
6156a456 CK |
13607 | int |
13608 | skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state) | |
13609 | { | |
13610 | int max_scale; | |
13611 | struct drm_device *dev; | |
13612 | struct drm_i915_private *dev_priv; | |
13613 | int crtc_clock, cdclk; | |
13614 | ||
13615 | if (!intel_crtc || !crtc_state) | |
13616 | return DRM_PLANE_HELPER_NO_SCALING; | |
13617 | ||
13618 | dev = intel_crtc->base.dev; | |
13619 | dev_priv = dev->dev_private; | |
13620 | crtc_clock = crtc_state->base.adjusted_mode.crtc_clock; | |
27c329ed | 13621 | cdclk = to_intel_atomic_state(crtc_state->base.state)->cdclk; |
6156a456 | 13622 | |
54bf1ce6 | 13623 | if (WARN_ON_ONCE(!crtc_clock || cdclk < crtc_clock)) |
6156a456 CK |
13624 | return DRM_PLANE_HELPER_NO_SCALING; |
13625 | ||
13626 | /* | |
13627 | * skl max scale is lower of: | |
13628 | * close to 3 but not 3, -1 is for that purpose | |
13629 | * or | |
13630 | * cdclk/crtc_clock | |
13631 | */ | |
13632 | max_scale = min((1 << 16) * 3 - 1, (1 << 8) * ((cdclk << 8) / crtc_clock)); | |
13633 | ||
13634 | return max_scale; | |
13635 | } | |
13636 | ||
465c120c | 13637 | static int |
3c692a41 | 13638 | intel_check_primary_plane(struct drm_plane *plane, |
061e4b8d | 13639 | struct intel_crtc_state *crtc_state, |
3c692a41 GP |
13640 | struct intel_plane_state *state) |
13641 | { | |
2b875c22 MR |
13642 | struct drm_crtc *crtc = state->base.crtc; |
13643 | struct drm_framebuffer *fb = state->base.fb; | |
6156a456 | 13644 | int min_scale = DRM_PLANE_HELPER_NO_SCALING; |
061e4b8d ML |
13645 | int max_scale = DRM_PLANE_HELPER_NO_SCALING; |
13646 | bool can_position = false; | |
465c120c | 13647 | |
061e4b8d ML |
13648 | /* use scaler when colorkey is not required */ |
13649 | if (INTEL_INFO(plane->dev)->gen >= 9 && | |
818ed961 | 13650 | state->ckey.flags == I915_SET_COLORKEY_NONE) { |
061e4b8d ML |
13651 | min_scale = 1; |
13652 | max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state); | |
d8106366 | 13653 | can_position = true; |
6156a456 | 13654 | } |
d8106366 | 13655 | |
061e4b8d ML |
13656 | return drm_plane_helper_check_update(plane, crtc, fb, &state->src, |
13657 | &state->dst, &state->clip, | |
da20eabd ML |
13658 | min_scale, max_scale, |
13659 | can_position, true, | |
13660 | &state->visible); | |
14af293f GP |
13661 | } |
13662 | ||
13663 | static void | |
13664 | intel_commit_primary_plane(struct drm_plane *plane, | |
13665 | struct intel_plane_state *state) | |
13666 | { | |
2b875c22 MR |
13667 | struct drm_crtc *crtc = state->base.crtc; |
13668 | struct drm_framebuffer *fb = state->base.fb; | |
13669 | struct drm_device *dev = plane->dev; | |
14af293f | 13670 | struct drm_i915_private *dev_priv = dev->dev_private; |
14af293f | 13671 | |
ea2c67bb | 13672 | crtc = crtc ? crtc : plane->crtc; |
ccc759dc | 13673 | |
d4b08630 ML |
13674 | dev_priv->display.update_primary_plane(crtc, fb, |
13675 | state->src.x1 >> 16, | |
13676 | state->src.y1 >> 16); | |
465c120c MR |
13677 | } |
13678 | ||
a8ad0d8e ML |
13679 | static void |
13680 | intel_disable_primary_plane(struct drm_plane *plane, | |
7fabf5ef | 13681 | struct drm_crtc *crtc) |
a8ad0d8e ML |
13682 | { |
13683 | struct drm_device *dev = plane->dev; | |
13684 | struct drm_i915_private *dev_priv = dev->dev_private; | |
13685 | ||
a8ad0d8e ML |
13686 | dev_priv->display.update_primary_plane(crtc, NULL, 0, 0); |
13687 | } | |
13688 | ||
613d2b27 ML |
13689 | static void intel_begin_crtc_commit(struct drm_crtc *crtc, |
13690 | struct drm_crtc_state *old_crtc_state) | |
3c692a41 | 13691 | { |
32b7eeec | 13692 | struct drm_device *dev = crtc->dev; |
3c692a41 | 13693 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
bfd16b2a ML |
13694 | struct intel_crtc_state *old_intel_state = |
13695 | to_intel_crtc_state(old_crtc_state); | |
13696 | bool modeset = needs_modeset(crtc->state); | |
3c692a41 | 13697 | |
f015c551 | 13698 | if (intel_crtc->atomic.update_wm_pre) |
32b7eeec | 13699 | intel_update_watermarks(crtc); |
3c692a41 | 13700 | |
c34c9ee4 | 13701 | /* Perform vblank evasion around commit operation */ |
62852622 | 13702 | intel_pipe_update_start(intel_crtc); |
0583236e | 13703 | |
bfd16b2a ML |
13704 | if (modeset) |
13705 | return; | |
13706 | ||
13707 | if (to_intel_crtc_state(crtc->state)->update_pipe) | |
13708 | intel_update_pipe_config(intel_crtc, old_intel_state); | |
13709 | else if (INTEL_INFO(dev)->gen >= 9) | |
0583236e | 13710 | skl_detach_scalers(intel_crtc); |
32b7eeec MR |
13711 | } |
13712 | ||
613d2b27 ML |
13713 | static void intel_finish_crtc_commit(struct drm_crtc *crtc, |
13714 | struct drm_crtc_state *old_crtc_state) | |
32b7eeec | 13715 | { |
32b7eeec | 13716 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc); |
32b7eeec | 13717 | |
62852622 | 13718 | intel_pipe_update_end(intel_crtc); |
3c692a41 GP |
13719 | } |
13720 | ||
cf4c7c12 | 13721 | /** |
4a3b8769 MR |
13722 | * intel_plane_destroy - destroy a plane |
13723 | * @plane: plane to destroy | |
cf4c7c12 | 13724 | * |
4a3b8769 MR |
13725 | * Common destruction function for all types of planes (primary, cursor, |
13726 | * sprite). | |
cf4c7c12 | 13727 | */ |
4a3b8769 | 13728 | void intel_plane_destroy(struct drm_plane *plane) |
465c120c MR |
13729 | { |
13730 | struct intel_plane *intel_plane = to_intel_plane(plane); | |
13731 | drm_plane_cleanup(plane); | |
13732 | kfree(intel_plane); | |
13733 | } | |
13734 | ||
65a3fea0 | 13735 | const struct drm_plane_funcs intel_plane_funcs = { |
70a101f8 MR |
13736 | .update_plane = drm_atomic_helper_update_plane, |
13737 | .disable_plane = drm_atomic_helper_disable_plane, | |
3d7d6510 | 13738 | .destroy = intel_plane_destroy, |
c196e1d6 | 13739 | .set_property = drm_atomic_helper_plane_set_property, |
a98b3431 MR |
13740 | .atomic_get_property = intel_plane_atomic_get_property, |
13741 | .atomic_set_property = intel_plane_atomic_set_property, | |
ea2c67bb MR |
13742 | .atomic_duplicate_state = intel_plane_duplicate_state, |
13743 | .atomic_destroy_state = intel_plane_destroy_state, | |
13744 | ||
465c120c MR |
13745 | }; |
13746 | ||
13747 | static struct drm_plane *intel_primary_plane_create(struct drm_device *dev, | |
13748 | int pipe) | |
13749 | { | |
13750 | struct intel_plane *primary; | |
8e7d688b | 13751 | struct intel_plane_state *state; |
465c120c | 13752 | const uint32_t *intel_primary_formats; |
45e3743a | 13753 | unsigned int num_formats; |
465c120c MR |
13754 | |
13755 | primary = kzalloc(sizeof(*primary), GFP_KERNEL); | |
13756 | if (primary == NULL) | |
13757 | return NULL; | |
13758 | ||
8e7d688b MR |
13759 | state = intel_create_plane_state(&primary->base); |
13760 | if (!state) { | |
ea2c67bb MR |
13761 | kfree(primary); |
13762 | return NULL; | |
13763 | } | |
8e7d688b | 13764 | primary->base.state = &state->base; |
ea2c67bb | 13765 | |
465c120c MR |
13766 | primary->can_scale = false; |
13767 | primary->max_downscale = 1; | |
6156a456 CK |
13768 | if (INTEL_INFO(dev)->gen >= 9) { |
13769 | primary->can_scale = true; | |
af99ceda | 13770 | state->scaler_id = -1; |
6156a456 | 13771 | } |
465c120c MR |
13772 | primary->pipe = pipe; |
13773 | primary->plane = pipe; | |
a9ff8714 | 13774 | primary->frontbuffer_bit = INTEL_FRONTBUFFER_PRIMARY(pipe); |
c59cb179 MR |
13775 | primary->check_plane = intel_check_primary_plane; |
13776 | primary->commit_plane = intel_commit_primary_plane; | |
a8ad0d8e | 13777 | primary->disable_plane = intel_disable_primary_plane; |
465c120c MR |
13778 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) |
13779 | primary->plane = !pipe; | |
13780 | ||
6c0fd451 DL |
13781 | if (INTEL_INFO(dev)->gen >= 9) { |
13782 | intel_primary_formats = skl_primary_formats; | |
13783 | num_formats = ARRAY_SIZE(skl_primary_formats); | |
13784 | } else if (INTEL_INFO(dev)->gen >= 4) { | |
568db4f2 DL |
13785 | intel_primary_formats = i965_primary_formats; |
13786 | num_formats = ARRAY_SIZE(i965_primary_formats); | |
6c0fd451 DL |
13787 | } else { |
13788 | intel_primary_formats = i8xx_primary_formats; | |
13789 | num_formats = ARRAY_SIZE(i8xx_primary_formats); | |
465c120c MR |
13790 | } |
13791 | ||
13792 | drm_universal_plane_init(dev, &primary->base, 0, | |
65a3fea0 | 13793 | &intel_plane_funcs, |
465c120c MR |
13794 | intel_primary_formats, num_formats, |
13795 | DRM_PLANE_TYPE_PRIMARY); | |
48404c1e | 13796 | |
3b7a5119 SJ |
13797 | if (INTEL_INFO(dev)->gen >= 4) |
13798 | intel_create_rotation_property(dev, primary); | |
48404c1e | 13799 | |
ea2c67bb MR |
13800 | drm_plane_helper_add(&primary->base, &intel_plane_helper_funcs); |
13801 | ||
465c120c MR |
13802 | return &primary->base; |
13803 | } | |
13804 | ||
3b7a5119 SJ |
13805 | void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *plane) |
13806 | { | |
13807 | if (!dev->mode_config.rotation_property) { | |
13808 | unsigned long flags = BIT(DRM_ROTATE_0) | | |
13809 | BIT(DRM_ROTATE_180); | |
13810 | ||
13811 | if (INTEL_INFO(dev)->gen >= 9) | |
13812 | flags |= BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270); | |
13813 | ||
13814 | dev->mode_config.rotation_property = | |
13815 | drm_mode_create_rotation_property(dev, flags); | |
13816 | } | |
13817 | if (dev->mode_config.rotation_property) | |
13818 | drm_object_attach_property(&plane->base.base, | |
13819 | dev->mode_config.rotation_property, | |
13820 | plane->base.state->rotation); | |
13821 | } | |
13822 | ||
3d7d6510 | 13823 | static int |
852e787c | 13824 | intel_check_cursor_plane(struct drm_plane *plane, |
061e4b8d | 13825 | struct intel_crtc_state *crtc_state, |
852e787c | 13826 | struct intel_plane_state *state) |
3d7d6510 | 13827 | { |
061e4b8d | 13828 | struct drm_crtc *crtc = crtc_state->base.crtc; |
2b875c22 | 13829 | struct drm_framebuffer *fb = state->base.fb; |
757f9a3e | 13830 | struct drm_i915_gem_object *obj = intel_fb_obj(fb); |
757f9a3e GP |
13831 | unsigned stride; |
13832 | int ret; | |
3d7d6510 | 13833 | |
061e4b8d ML |
13834 | ret = drm_plane_helper_check_update(plane, crtc, fb, &state->src, |
13835 | &state->dst, &state->clip, | |
3d7d6510 MR |
13836 | DRM_PLANE_HELPER_NO_SCALING, |
13837 | DRM_PLANE_HELPER_NO_SCALING, | |
852e787c | 13838 | true, true, &state->visible); |
757f9a3e GP |
13839 | if (ret) |
13840 | return ret; | |
13841 | ||
757f9a3e GP |
13842 | /* if we want to turn off the cursor ignore width and height */ |
13843 | if (!obj) | |
da20eabd | 13844 | return 0; |
757f9a3e | 13845 | |
757f9a3e | 13846 | /* Check for which cursor types we support */ |
061e4b8d | 13847 | if (!cursor_size_ok(plane->dev, state->base.crtc_w, state->base.crtc_h)) { |
ea2c67bb MR |
13848 | DRM_DEBUG("Cursor dimension %dx%d not supported\n", |
13849 | state->base.crtc_w, state->base.crtc_h); | |
757f9a3e GP |
13850 | return -EINVAL; |
13851 | } | |
13852 | ||
ea2c67bb MR |
13853 | stride = roundup_pow_of_two(state->base.crtc_w) * 4; |
13854 | if (obj->base.size < stride * state->base.crtc_h) { | |
757f9a3e GP |
13855 | DRM_DEBUG_KMS("buffer is too small\n"); |
13856 | return -ENOMEM; | |
13857 | } | |
13858 | ||
3a656b54 | 13859 | if (fb->modifier[0] != DRM_FORMAT_MOD_NONE) { |
757f9a3e | 13860 | DRM_DEBUG_KMS("cursor cannot be tiled\n"); |
da20eabd | 13861 | return -EINVAL; |
32b7eeec MR |
13862 | } |
13863 | ||
da20eabd | 13864 | return 0; |
852e787c | 13865 | } |
3d7d6510 | 13866 | |
a8ad0d8e ML |
13867 | static void |
13868 | intel_disable_cursor_plane(struct drm_plane *plane, | |
7fabf5ef | 13869 | struct drm_crtc *crtc) |
a8ad0d8e | 13870 | { |
a8ad0d8e ML |
13871 | intel_crtc_update_cursor(crtc, false); |
13872 | } | |
13873 | ||
f4a2cf29 | 13874 | static void |
852e787c GP |
13875 | intel_commit_cursor_plane(struct drm_plane *plane, |
13876 | struct intel_plane_state *state) | |
13877 | { | |
2b875c22 | 13878 | struct drm_crtc *crtc = state->base.crtc; |
ea2c67bb MR |
13879 | struct drm_device *dev = plane->dev; |
13880 | struct intel_crtc *intel_crtc; | |
2b875c22 | 13881 | struct drm_i915_gem_object *obj = intel_fb_obj(state->base.fb); |
a912f12f | 13882 | uint32_t addr; |
852e787c | 13883 | |
ea2c67bb MR |
13884 | crtc = crtc ? crtc : plane->crtc; |
13885 | intel_crtc = to_intel_crtc(crtc); | |
13886 | ||
a912f12f GP |
13887 | if (intel_crtc->cursor_bo == obj) |
13888 | goto update; | |
4ed91096 | 13889 | |
f4a2cf29 | 13890 | if (!obj) |
a912f12f | 13891 | addr = 0; |
f4a2cf29 | 13892 | else if (!INTEL_INFO(dev)->cursor_needs_physical) |
a912f12f | 13893 | addr = i915_gem_obj_ggtt_offset(obj); |
f4a2cf29 | 13894 | else |
a912f12f | 13895 | addr = obj->phys_handle->busaddr; |
852e787c | 13896 | |
a912f12f GP |
13897 | intel_crtc->cursor_addr = addr; |
13898 | intel_crtc->cursor_bo = obj; | |
852e787c | 13899 | |
302d19ac | 13900 | update: |
62852622 | 13901 | intel_crtc_update_cursor(crtc, state->visible); |
852e787c GP |
13902 | } |
13903 | ||
3d7d6510 MR |
13904 | static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev, |
13905 | int pipe) | |
13906 | { | |
13907 | struct intel_plane *cursor; | |
8e7d688b | 13908 | struct intel_plane_state *state; |
3d7d6510 MR |
13909 | |
13910 | cursor = kzalloc(sizeof(*cursor), GFP_KERNEL); | |
13911 | if (cursor == NULL) | |
13912 | return NULL; | |
13913 | ||
8e7d688b MR |
13914 | state = intel_create_plane_state(&cursor->base); |
13915 | if (!state) { | |
ea2c67bb MR |
13916 | kfree(cursor); |
13917 | return NULL; | |
13918 | } | |
8e7d688b | 13919 | cursor->base.state = &state->base; |
ea2c67bb | 13920 | |
3d7d6510 MR |
13921 | cursor->can_scale = false; |
13922 | cursor->max_downscale = 1; | |
13923 | cursor->pipe = pipe; | |
13924 | cursor->plane = pipe; | |
a9ff8714 | 13925 | cursor->frontbuffer_bit = INTEL_FRONTBUFFER_CURSOR(pipe); |
c59cb179 MR |
13926 | cursor->check_plane = intel_check_cursor_plane; |
13927 | cursor->commit_plane = intel_commit_cursor_plane; | |
a8ad0d8e | 13928 | cursor->disable_plane = intel_disable_cursor_plane; |
3d7d6510 MR |
13929 | |
13930 | drm_universal_plane_init(dev, &cursor->base, 0, | |
65a3fea0 | 13931 | &intel_plane_funcs, |
3d7d6510 MR |
13932 | intel_cursor_formats, |
13933 | ARRAY_SIZE(intel_cursor_formats), | |
13934 | DRM_PLANE_TYPE_CURSOR); | |
4398ad45 VS |
13935 | |
13936 | if (INTEL_INFO(dev)->gen >= 4) { | |
13937 | if (!dev->mode_config.rotation_property) | |
13938 | dev->mode_config.rotation_property = | |
13939 | drm_mode_create_rotation_property(dev, | |
13940 | BIT(DRM_ROTATE_0) | | |
13941 | BIT(DRM_ROTATE_180)); | |
13942 | if (dev->mode_config.rotation_property) | |
13943 | drm_object_attach_property(&cursor->base.base, | |
13944 | dev->mode_config.rotation_property, | |
8e7d688b | 13945 | state->base.rotation); |
4398ad45 VS |
13946 | } |
13947 | ||
af99ceda CK |
13948 | if (INTEL_INFO(dev)->gen >=9) |
13949 | state->scaler_id = -1; | |
13950 | ||
ea2c67bb MR |
13951 | drm_plane_helper_add(&cursor->base, &intel_plane_helper_funcs); |
13952 | ||
3d7d6510 MR |
13953 | return &cursor->base; |
13954 | } | |
13955 | ||
549e2bfb CK |
13956 | static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_crtc, |
13957 | struct intel_crtc_state *crtc_state) | |
13958 | { | |
13959 | int i; | |
13960 | struct intel_scaler *intel_scaler; | |
13961 | struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; | |
13962 | ||
13963 | for (i = 0; i < intel_crtc->num_scalers; i++) { | |
13964 | intel_scaler = &scaler_state->scalers[i]; | |
13965 | intel_scaler->in_use = 0; | |
549e2bfb CK |
13966 | intel_scaler->mode = PS_SCALER_MODE_DYN; |
13967 | } | |
13968 | ||
13969 | scaler_state->scaler_id = -1; | |
13970 | } | |
13971 | ||
b358d0a6 | 13972 | static void intel_crtc_init(struct drm_device *dev, int pipe) |
79e53945 | 13973 | { |
fbee40df | 13974 | struct drm_i915_private *dev_priv = dev->dev_private; |
79e53945 | 13975 | struct intel_crtc *intel_crtc; |
f5de6e07 | 13976 | struct intel_crtc_state *crtc_state = NULL; |
3d7d6510 MR |
13977 | struct drm_plane *primary = NULL; |
13978 | struct drm_plane *cursor = NULL; | |
465c120c | 13979 | int i, ret; |
79e53945 | 13980 | |
955382f3 | 13981 | intel_crtc = kzalloc(sizeof(*intel_crtc), GFP_KERNEL); |
79e53945 JB |
13982 | if (intel_crtc == NULL) |
13983 | return; | |
13984 | ||
f5de6e07 ACO |
13985 | crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL); |
13986 | if (!crtc_state) | |
13987 | goto fail; | |
550acefd ACO |
13988 | intel_crtc->config = crtc_state; |
13989 | intel_crtc->base.state = &crtc_state->base; | |
07878248 | 13990 | crtc_state->base.crtc = &intel_crtc->base; |
f5de6e07 | 13991 | |
549e2bfb CK |
13992 | /* initialize shared scalers */ |
13993 | if (INTEL_INFO(dev)->gen >= 9) { | |
13994 | if (pipe == PIPE_C) | |
13995 | intel_crtc->num_scalers = 1; | |
13996 | else | |
13997 | intel_crtc->num_scalers = SKL_NUM_SCALERS; | |
13998 | ||
13999 | skl_init_scalers(dev, intel_crtc, crtc_state); | |
14000 | } | |
14001 | ||
465c120c | 14002 | primary = intel_primary_plane_create(dev, pipe); |
3d7d6510 MR |
14003 | if (!primary) |
14004 | goto fail; | |
14005 | ||
14006 | cursor = intel_cursor_plane_create(dev, pipe); | |
14007 | if (!cursor) | |
14008 | goto fail; | |
14009 | ||
465c120c | 14010 | ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary, |
3d7d6510 MR |
14011 | cursor, &intel_crtc_funcs); |
14012 | if (ret) | |
14013 | goto fail; | |
79e53945 JB |
14014 | |
14015 | drm_mode_crtc_set_gamma_size(&intel_crtc->base, 256); | |
79e53945 JB |
14016 | for (i = 0; i < 256; i++) { |
14017 | intel_crtc->lut_r[i] = i; | |
14018 | intel_crtc->lut_g[i] = i; | |
14019 | intel_crtc->lut_b[i] = i; | |
14020 | } | |
14021 | ||
1f1c2e24 VS |
14022 | /* |
14023 | * On gen2/3 only plane A can do fbc, but the panel fitter and lvds port | |
8c0f92e1 | 14024 | * is hooked to pipe B. Hence we want plane A feeding pipe B. |
1f1c2e24 | 14025 | */ |
80824003 JB |
14026 | intel_crtc->pipe = pipe; |
14027 | intel_crtc->plane = pipe; | |
3a77c4c4 | 14028 | if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4) { |
28c97730 | 14029 | DRM_DEBUG_KMS("swapping pipes & planes for FBC\n"); |
e2e767ab | 14030 | intel_crtc->plane = !pipe; |
80824003 JB |
14031 | } |
14032 | ||
4b0e333e CW |
14033 | intel_crtc->cursor_base = ~0; |
14034 | intel_crtc->cursor_cntl = ~0; | |
dc41c154 | 14035 | intel_crtc->cursor_size = ~0; |
8d7849db | 14036 | |
852eb00d VS |
14037 | intel_crtc->wm.cxsr_allowed = true; |
14038 | ||
22fd0fab JB |
14039 | BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || |
14040 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] != NULL); | |
14041 | dev_priv->plane_to_crtc_mapping[intel_crtc->plane] = &intel_crtc->base; | |
14042 | dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = &intel_crtc->base; | |
14043 | ||
79e53945 | 14044 | drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); |
87b6b101 DV |
14045 | |
14046 | WARN_ON(drm_crtc_index(&intel_crtc->base) != intel_crtc->pipe); | |
3d7d6510 MR |
14047 | return; |
14048 | ||
14049 | fail: | |
14050 | if (primary) | |
14051 | drm_plane_cleanup(primary); | |
14052 | if (cursor) | |
14053 | drm_plane_cleanup(cursor); | |
f5de6e07 | 14054 | kfree(crtc_state); |
3d7d6510 | 14055 | kfree(intel_crtc); |
79e53945 JB |
14056 | } |
14057 | ||
752aa88a JB |
14058 | enum pipe intel_get_pipe_from_connector(struct intel_connector *connector) |
14059 | { | |
14060 | struct drm_encoder *encoder = connector->base.encoder; | |
6e9f798d | 14061 | struct drm_device *dev = connector->base.dev; |
752aa88a | 14062 | |
51fd371b | 14063 | WARN_ON(!drm_modeset_is_locked(&dev->mode_config.connection_mutex)); |
752aa88a | 14064 | |
d3babd3f | 14065 | if (!encoder || WARN_ON(!encoder->crtc)) |
752aa88a JB |
14066 | return INVALID_PIPE; |
14067 | ||
14068 | return to_intel_crtc(encoder->crtc)->pipe; | |
14069 | } | |
14070 | ||
08d7b3d1 | 14071 | int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, |
05394f39 | 14072 | struct drm_file *file) |
08d7b3d1 | 14073 | { |
08d7b3d1 | 14074 | struct drm_i915_get_pipe_from_crtc_id *pipe_from_crtc_id = data; |
7707e653 | 14075 | struct drm_crtc *drmmode_crtc; |
c05422d5 | 14076 | struct intel_crtc *crtc; |
08d7b3d1 | 14077 | |
7707e653 | 14078 | drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id); |
08d7b3d1 | 14079 | |
7707e653 | 14080 | if (!drmmode_crtc) { |
08d7b3d1 | 14081 | DRM_ERROR("no such CRTC id\n"); |
3f2c2057 | 14082 | return -ENOENT; |
08d7b3d1 CW |
14083 | } |
14084 | ||
7707e653 | 14085 | crtc = to_intel_crtc(drmmode_crtc); |
c05422d5 | 14086 | pipe_from_crtc_id->pipe = crtc->pipe; |
08d7b3d1 | 14087 | |
c05422d5 | 14088 | return 0; |
08d7b3d1 CW |
14089 | } |
14090 | ||
66a9278e | 14091 | static int intel_encoder_clones(struct intel_encoder *encoder) |
79e53945 | 14092 | { |
66a9278e DV |
14093 | struct drm_device *dev = encoder->base.dev; |
14094 | struct intel_encoder *source_encoder; | |
79e53945 | 14095 | int index_mask = 0; |
79e53945 JB |
14096 | int entry = 0; |
14097 | ||
b2784e15 | 14098 | for_each_intel_encoder(dev, source_encoder) { |
bc079e8b | 14099 | if (encoders_cloneable(encoder, source_encoder)) |
66a9278e DV |
14100 | index_mask |= (1 << entry); |
14101 | ||
79e53945 JB |
14102 | entry++; |
14103 | } | |
4ef69c7a | 14104 | |
79e53945 JB |
14105 | return index_mask; |
14106 | } | |
14107 | ||
4d302442 CW |
14108 | static bool has_edp_a(struct drm_device *dev) |
14109 | { | |
14110 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14111 | ||
14112 | if (!IS_MOBILE(dev)) | |
14113 | return false; | |
14114 | ||
14115 | if ((I915_READ(DP_A) & DP_DETECTED) == 0) | |
14116 | return false; | |
14117 | ||
e3589908 | 14118 | if (IS_GEN5(dev) && (I915_READ(FUSE_STRAP) & ILK_eDP_A_DISABLE)) |
4d302442 CW |
14119 | return false; |
14120 | ||
14121 | return true; | |
14122 | } | |
14123 | ||
84b4e042 JB |
14124 | static bool intel_crt_present(struct drm_device *dev) |
14125 | { | |
14126 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14127 | ||
884497ed DL |
14128 | if (INTEL_INFO(dev)->gen >= 9) |
14129 | return false; | |
14130 | ||
cf404ce4 | 14131 | if (IS_HSW_ULT(dev) || IS_BDW_ULT(dev)) |
84b4e042 JB |
14132 | return false; |
14133 | ||
14134 | if (IS_CHERRYVIEW(dev)) | |
14135 | return false; | |
14136 | ||
14137 | if (IS_VALLEYVIEW(dev) && !dev_priv->vbt.int_crt_support) | |
14138 | return false; | |
14139 | ||
14140 | return true; | |
14141 | } | |
14142 | ||
79e53945 JB |
14143 | static void intel_setup_outputs(struct drm_device *dev) |
14144 | { | |
725e30ad | 14145 | struct drm_i915_private *dev_priv = dev->dev_private; |
4ef69c7a | 14146 | struct intel_encoder *encoder; |
cb0953d7 | 14147 | bool dpd_is_edp = false; |
79e53945 | 14148 | |
c9093354 | 14149 | intel_lvds_init(dev); |
79e53945 | 14150 | |
84b4e042 | 14151 | if (intel_crt_present(dev)) |
79935fca | 14152 | intel_crt_init(dev); |
cb0953d7 | 14153 | |
c776eb2e VK |
14154 | if (IS_BROXTON(dev)) { |
14155 | /* | |
14156 | * FIXME: Broxton doesn't support port detection via the | |
14157 | * DDI_BUF_CTL_A or SFUSE_STRAP registers, find another way to | |
14158 | * detect the ports. | |
14159 | */ | |
14160 | intel_ddi_init(dev, PORT_A); | |
14161 | intel_ddi_init(dev, PORT_B); | |
14162 | intel_ddi_init(dev, PORT_C); | |
14163 | } else if (HAS_DDI(dev)) { | |
0e72a5b5 ED |
14164 | int found; |
14165 | ||
de31facd JB |
14166 | /* |
14167 | * Haswell uses DDI functions to detect digital outputs. | |
14168 | * On SKL pre-D0 the strap isn't connected, so we assume | |
14169 | * it's there. | |
14170 | */ | |
77179400 | 14171 | found = I915_READ(DDI_BUF_CTL(PORT_A)) & DDI_INIT_DISPLAY_DETECTED; |
de31facd | 14172 | /* WaIgnoreDDIAStrap: skl */ |
ef11bdb3 | 14173 | if (found || IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) |
0e72a5b5 ED |
14174 | intel_ddi_init(dev, PORT_A); |
14175 | ||
14176 | /* DDI B, C and D detection is indicated by the SFUSE_STRAP | |
14177 | * register */ | |
14178 | found = I915_READ(SFUSE_STRAP); | |
14179 | ||
14180 | if (found & SFUSE_STRAP_DDIB_DETECTED) | |
14181 | intel_ddi_init(dev, PORT_B); | |
14182 | if (found & SFUSE_STRAP_DDIC_DETECTED) | |
14183 | intel_ddi_init(dev, PORT_C); | |
14184 | if (found & SFUSE_STRAP_DDID_DETECTED) | |
14185 | intel_ddi_init(dev, PORT_D); | |
2800e4c2 RV |
14186 | /* |
14187 | * On SKL we don't have a way to detect DDI-E so we rely on VBT. | |
14188 | */ | |
ef11bdb3 | 14189 | if ((IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) && |
2800e4c2 RV |
14190 | (dev_priv->vbt.ddi_port_info[PORT_E].supports_dp || |
14191 | dev_priv->vbt.ddi_port_info[PORT_E].supports_dvi || | |
14192 | dev_priv->vbt.ddi_port_info[PORT_E].supports_hdmi)) | |
14193 | intel_ddi_init(dev, PORT_E); | |
14194 | ||
0e72a5b5 | 14195 | } else if (HAS_PCH_SPLIT(dev)) { |
cb0953d7 | 14196 | int found; |
5d8a7752 | 14197 | dpd_is_edp = intel_dp_is_edp(dev, PORT_D); |
270b3042 DV |
14198 | |
14199 | if (has_edp_a(dev)) | |
14200 | intel_dp_init(dev, DP_A, PORT_A); | |
cb0953d7 | 14201 | |
dc0fa718 | 14202 | if (I915_READ(PCH_HDMIB) & SDVO_DETECTED) { |
461ed3ca | 14203 | /* PCH SDVOB multiplex with HDMIB */ |
eef4eacb | 14204 | found = intel_sdvo_init(dev, PCH_SDVOB, true); |
30ad48b7 | 14205 | if (!found) |
e2debe91 | 14206 | intel_hdmi_init(dev, PCH_HDMIB, PORT_B); |
5eb08b69 | 14207 | if (!found && (I915_READ(PCH_DP_B) & DP_DETECTED)) |
ab9d7c30 | 14208 | intel_dp_init(dev, PCH_DP_B, PORT_B); |
30ad48b7 ZW |
14209 | } |
14210 | ||
dc0fa718 | 14211 | if (I915_READ(PCH_HDMIC) & SDVO_DETECTED) |
e2debe91 | 14212 | intel_hdmi_init(dev, PCH_HDMIC, PORT_C); |
30ad48b7 | 14213 | |
dc0fa718 | 14214 | if (!dpd_is_edp && I915_READ(PCH_HDMID) & SDVO_DETECTED) |
e2debe91 | 14215 | intel_hdmi_init(dev, PCH_HDMID, PORT_D); |
30ad48b7 | 14216 | |
5eb08b69 | 14217 | if (I915_READ(PCH_DP_C) & DP_DETECTED) |
ab9d7c30 | 14218 | intel_dp_init(dev, PCH_DP_C, PORT_C); |
5eb08b69 | 14219 | |
270b3042 | 14220 | if (I915_READ(PCH_DP_D) & DP_DETECTED) |
ab9d7c30 | 14221 | intel_dp_init(dev, PCH_DP_D, PORT_D); |
4a87d65d | 14222 | } else if (IS_VALLEYVIEW(dev)) { |
e17ac6db VS |
14223 | /* |
14224 | * The DP_DETECTED bit is the latched state of the DDC | |
14225 | * SDA pin at boot. However since eDP doesn't require DDC | |
14226 | * (no way to plug in a DP->HDMI dongle) the DDC pins for | |
14227 | * eDP ports may have been muxed to an alternate function. | |
14228 | * Thus we can't rely on the DP_DETECTED bit alone to detect | |
14229 | * eDP ports. Consult the VBT as well as DP_DETECTED to | |
14230 | * detect eDP ports. | |
14231 | */ | |
e66eb81d | 14232 | if (I915_READ(VLV_HDMIB) & SDVO_DETECTED && |
d2182a66 | 14233 | !intel_dp_is_edp(dev, PORT_B)) |
e66eb81d VS |
14234 | intel_hdmi_init(dev, VLV_HDMIB, PORT_B); |
14235 | if (I915_READ(VLV_DP_B) & DP_DETECTED || | |
e17ac6db | 14236 | intel_dp_is_edp(dev, PORT_B)) |
e66eb81d | 14237 | intel_dp_init(dev, VLV_DP_B, PORT_B); |
585a94b8 | 14238 | |
e66eb81d | 14239 | if (I915_READ(VLV_HDMIC) & SDVO_DETECTED && |
d2182a66 | 14240 | !intel_dp_is_edp(dev, PORT_C)) |
e66eb81d VS |
14241 | intel_hdmi_init(dev, VLV_HDMIC, PORT_C); |
14242 | if (I915_READ(VLV_DP_C) & DP_DETECTED || | |
e17ac6db | 14243 | intel_dp_is_edp(dev, PORT_C)) |
e66eb81d | 14244 | intel_dp_init(dev, VLV_DP_C, PORT_C); |
19c03924 | 14245 | |
9418c1f1 | 14246 | if (IS_CHERRYVIEW(dev)) { |
e17ac6db | 14247 | /* eDP not supported on port D, so don't check VBT */ |
e66eb81d VS |
14248 | if (I915_READ(CHV_HDMID) & SDVO_DETECTED) |
14249 | intel_hdmi_init(dev, CHV_HDMID, PORT_D); | |
14250 | if (I915_READ(CHV_DP_D) & DP_DETECTED) | |
14251 | intel_dp_init(dev, CHV_DP_D, PORT_D); | |
9418c1f1 VS |
14252 | } |
14253 | ||
3cfca973 | 14254 | intel_dsi_init(dev); |
09da55dc | 14255 | } else if (!IS_GEN2(dev) && !IS_PINEVIEW(dev)) { |
27185ae1 | 14256 | bool found = false; |
7d57382e | 14257 | |
e2debe91 | 14258 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 14259 | DRM_DEBUG_KMS("probing SDVOB\n"); |
e2debe91 | 14260 | found = intel_sdvo_init(dev, GEN3_SDVOB, true); |
3fec3d2f | 14261 | if (!found && IS_G4X(dev)) { |
b01f2c3a | 14262 | DRM_DEBUG_KMS("probing HDMI on SDVOB\n"); |
e2debe91 | 14263 | intel_hdmi_init(dev, GEN4_HDMIB, PORT_B); |
b01f2c3a | 14264 | } |
27185ae1 | 14265 | |
3fec3d2f | 14266 | if (!found && IS_G4X(dev)) |
ab9d7c30 | 14267 | intel_dp_init(dev, DP_B, PORT_B); |
725e30ad | 14268 | } |
13520b05 KH |
14269 | |
14270 | /* Before G4X SDVOC doesn't have its own detect register */ | |
13520b05 | 14271 | |
e2debe91 | 14272 | if (I915_READ(GEN3_SDVOB) & SDVO_DETECTED) { |
b01f2c3a | 14273 | DRM_DEBUG_KMS("probing SDVOC\n"); |
e2debe91 | 14274 | found = intel_sdvo_init(dev, GEN3_SDVOC, false); |
b01f2c3a | 14275 | } |
27185ae1 | 14276 | |
e2debe91 | 14277 | if (!found && (I915_READ(GEN3_SDVOC) & SDVO_DETECTED)) { |
27185ae1 | 14278 | |
3fec3d2f | 14279 | if (IS_G4X(dev)) { |
b01f2c3a | 14280 | DRM_DEBUG_KMS("probing HDMI on SDVOC\n"); |
e2debe91 | 14281 | intel_hdmi_init(dev, GEN4_HDMIC, PORT_C); |
b01f2c3a | 14282 | } |
3fec3d2f | 14283 | if (IS_G4X(dev)) |
ab9d7c30 | 14284 | intel_dp_init(dev, DP_C, PORT_C); |
725e30ad | 14285 | } |
27185ae1 | 14286 | |
3fec3d2f | 14287 | if (IS_G4X(dev) && |
e7281eab | 14288 | (I915_READ(DP_D) & DP_DETECTED)) |
ab9d7c30 | 14289 | intel_dp_init(dev, DP_D, PORT_D); |
bad720ff | 14290 | } else if (IS_GEN2(dev)) |
79e53945 JB |
14291 | intel_dvo_init(dev); |
14292 | ||
103a196f | 14293 | if (SUPPORTS_TV(dev)) |
79e53945 JB |
14294 | intel_tv_init(dev); |
14295 | ||
0bc12bcb | 14296 | intel_psr_init(dev); |
7c8f8a70 | 14297 | |
b2784e15 | 14298 | for_each_intel_encoder(dev, encoder) { |
4ef69c7a CW |
14299 | encoder->base.possible_crtcs = encoder->crtc_mask; |
14300 | encoder->base.possible_clones = | |
66a9278e | 14301 | intel_encoder_clones(encoder); |
79e53945 | 14302 | } |
47356eb6 | 14303 | |
dde86e2d | 14304 | intel_init_pch_refclk(dev); |
270b3042 DV |
14305 | |
14306 | drm_helper_move_panel_connectors_to_head(dev); | |
79e53945 JB |
14307 | } |
14308 | ||
14309 | static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb) | |
14310 | { | |
60a5ca01 | 14311 | struct drm_device *dev = fb->dev; |
79e53945 | 14312 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); |
79e53945 | 14313 | |
ef2d633e | 14314 | drm_framebuffer_cleanup(fb); |
60a5ca01 | 14315 | mutex_lock(&dev->struct_mutex); |
ef2d633e | 14316 | WARN_ON(!intel_fb->obj->framebuffer_references--); |
60a5ca01 VS |
14317 | drm_gem_object_unreference(&intel_fb->obj->base); |
14318 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
14319 | kfree(intel_fb); |
14320 | } | |
14321 | ||
14322 | static int intel_user_framebuffer_create_handle(struct drm_framebuffer *fb, | |
05394f39 | 14323 | struct drm_file *file, |
79e53945 JB |
14324 | unsigned int *handle) |
14325 | { | |
14326 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
05394f39 | 14327 | struct drm_i915_gem_object *obj = intel_fb->obj; |
79e53945 | 14328 | |
05394f39 | 14329 | return drm_gem_handle_create(file, &obj->base, handle); |
79e53945 JB |
14330 | } |
14331 | ||
86c98588 RV |
14332 | static int intel_user_framebuffer_dirty(struct drm_framebuffer *fb, |
14333 | struct drm_file *file, | |
14334 | unsigned flags, unsigned color, | |
14335 | struct drm_clip_rect *clips, | |
14336 | unsigned num_clips) | |
14337 | { | |
14338 | struct drm_device *dev = fb->dev; | |
14339 | struct intel_framebuffer *intel_fb = to_intel_framebuffer(fb); | |
14340 | struct drm_i915_gem_object *obj = intel_fb->obj; | |
14341 | ||
14342 | mutex_lock(&dev->struct_mutex); | |
74b4ea1e | 14343 | intel_fb_obj_flush(obj, false, ORIGIN_DIRTYFB); |
86c98588 RV |
14344 | mutex_unlock(&dev->struct_mutex); |
14345 | ||
14346 | return 0; | |
14347 | } | |
14348 | ||
79e53945 JB |
14349 | static const struct drm_framebuffer_funcs intel_fb_funcs = { |
14350 | .destroy = intel_user_framebuffer_destroy, | |
14351 | .create_handle = intel_user_framebuffer_create_handle, | |
86c98588 | 14352 | .dirty = intel_user_framebuffer_dirty, |
79e53945 JB |
14353 | }; |
14354 | ||
b321803d DL |
14355 | static |
14356 | u32 intel_fb_pitch_limit(struct drm_device *dev, uint64_t fb_modifier, | |
14357 | uint32_t pixel_format) | |
14358 | { | |
14359 | u32 gen = INTEL_INFO(dev)->gen; | |
14360 | ||
14361 | if (gen >= 9) { | |
14362 | /* "The stride in bytes must not exceed the of the size of 8K | |
14363 | * pixels and 32K bytes." | |
14364 | */ | |
14365 | return min(8192*drm_format_plane_cpp(pixel_format, 0), 32768); | |
14366 | } else if (gen >= 5 && !IS_VALLEYVIEW(dev)) { | |
14367 | return 32*1024; | |
14368 | } else if (gen >= 4) { | |
14369 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
14370 | return 16*1024; | |
14371 | else | |
14372 | return 32*1024; | |
14373 | } else if (gen >= 3) { | |
14374 | if (fb_modifier == I915_FORMAT_MOD_X_TILED) | |
14375 | return 8*1024; | |
14376 | else | |
14377 | return 16*1024; | |
14378 | } else { | |
14379 | /* XXX DSPC is limited to 4k tiled */ | |
14380 | return 8*1024; | |
14381 | } | |
14382 | } | |
14383 | ||
b5ea642a DV |
14384 | static int intel_framebuffer_init(struct drm_device *dev, |
14385 | struct intel_framebuffer *intel_fb, | |
14386 | struct drm_mode_fb_cmd2 *mode_cmd, | |
14387 | struct drm_i915_gem_object *obj) | |
79e53945 | 14388 | { |
6761dd31 | 14389 | unsigned int aligned_height; |
79e53945 | 14390 | int ret; |
b321803d | 14391 | u32 pitch_limit, stride_alignment; |
79e53945 | 14392 | |
dd4916c5 DV |
14393 | WARN_ON(!mutex_is_locked(&dev->struct_mutex)); |
14394 | ||
2a80eada DV |
14395 | if (mode_cmd->flags & DRM_MODE_FB_MODIFIERS) { |
14396 | /* Enforce that fb modifier and tiling mode match, but only for | |
14397 | * X-tiled. This is needed for FBC. */ | |
14398 | if (!!(obj->tiling_mode == I915_TILING_X) != | |
14399 | !!(mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED)) { | |
14400 | DRM_DEBUG("tiling_mode doesn't match fb modifier\n"); | |
14401 | return -EINVAL; | |
14402 | } | |
14403 | } else { | |
14404 | if (obj->tiling_mode == I915_TILING_X) | |
14405 | mode_cmd->modifier[0] = I915_FORMAT_MOD_X_TILED; | |
14406 | else if (obj->tiling_mode == I915_TILING_Y) { | |
14407 | DRM_DEBUG("No Y tiling for legacy addfb\n"); | |
14408 | return -EINVAL; | |
14409 | } | |
14410 | } | |
14411 | ||
9a8f0a12 TU |
14412 | /* Passed in modifier sanity checking. */ |
14413 | switch (mode_cmd->modifier[0]) { | |
14414 | case I915_FORMAT_MOD_Y_TILED: | |
14415 | case I915_FORMAT_MOD_Yf_TILED: | |
14416 | if (INTEL_INFO(dev)->gen < 9) { | |
14417 | DRM_DEBUG("Unsupported tiling 0x%llx!\n", | |
14418 | mode_cmd->modifier[0]); | |
14419 | return -EINVAL; | |
14420 | } | |
14421 | case DRM_FORMAT_MOD_NONE: | |
14422 | case I915_FORMAT_MOD_X_TILED: | |
14423 | break; | |
14424 | default: | |
c0f40428 JB |
14425 | DRM_DEBUG("Unsupported fb modifier 0x%llx!\n", |
14426 | mode_cmd->modifier[0]); | |
57cd6508 | 14427 | return -EINVAL; |
c16ed4be | 14428 | } |
57cd6508 | 14429 | |
b321803d DL |
14430 | stride_alignment = intel_fb_stride_alignment(dev, mode_cmd->modifier[0], |
14431 | mode_cmd->pixel_format); | |
14432 | if (mode_cmd->pitches[0] & (stride_alignment - 1)) { | |
14433 | DRM_DEBUG("pitch (%d) must be at least %u byte aligned\n", | |
14434 | mode_cmd->pitches[0], stride_alignment); | |
57cd6508 | 14435 | return -EINVAL; |
c16ed4be | 14436 | } |
57cd6508 | 14437 | |
b321803d DL |
14438 | pitch_limit = intel_fb_pitch_limit(dev, mode_cmd->modifier[0], |
14439 | mode_cmd->pixel_format); | |
a35cdaa0 | 14440 | if (mode_cmd->pitches[0] > pitch_limit) { |
b321803d DL |
14441 | DRM_DEBUG("%s pitch (%u) must be at less than %d\n", |
14442 | mode_cmd->modifier[0] != DRM_FORMAT_MOD_NONE ? | |
2a80eada | 14443 | "tiled" : "linear", |
a35cdaa0 | 14444 | mode_cmd->pitches[0], pitch_limit); |
5d7bd705 | 14445 | return -EINVAL; |
c16ed4be | 14446 | } |
5d7bd705 | 14447 | |
2a80eada | 14448 | if (mode_cmd->modifier[0] == I915_FORMAT_MOD_X_TILED && |
c16ed4be CW |
14449 | mode_cmd->pitches[0] != obj->stride) { |
14450 | DRM_DEBUG("pitch (%d) must match tiling stride (%d)\n", | |
14451 | mode_cmd->pitches[0], obj->stride); | |
5d7bd705 | 14452 | return -EINVAL; |
c16ed4be | 14453 | } |
5d7bd705 | 14454 | |
57779d06 | 14455 | /* Reject formats not supported by any plane early. */ |
308e5bcb | 14456 | switch (mode_cmd->pixel_format) { |
57779d06 | 14457 | case DRM_FORMAT_C8: |
04b3924d VS |
14458 | case DRM_FORMAT_RGB565: |
14459 | case DRM_FORMAT_XRGB8888: | |
14460 | case DRM_FORMAT_ARGB8888: | |
57779d06 VS |
14461 | break; |
14462 | case DRM_FORMAT_XRGB1555: | |
c16ed4be | 14463 | if (INTEL_INFO(dev)->gen > 3) { |
4ee62c76 VS |
14464 | DRM_DEBUG("unsupported pixel format: %s\n", |
14465 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14466 | return -EINVAL; |
c16ed4be | 14467 | } |
57779d06 | 14468 | break; |
57779d06 | 14469 | case DRM_FORMAT_ABGR8888: |
6c0fd451 DL |
14470 | if (!IS_VALLEYVIEW(dev) && INTEL_INFO(dev)->gen < 9) { |
14471 | DRM_DEBUG("unsupported pixel format: %s\n", | |
14472 | drm_get_format_name(mode_cmd->pixel_format)); | |
14473 | return -EINVAL; | |
14474 | } | |
14475 | break; | |
14476 | case DRM_FORMAT_XBGR8888: | |
04b3924d | 14477 | case DRM_FORMAT_XRGB2101010: |
57779d06 | 14478 | case DRM_FORMAT_XBGR2101010: |
c16ed4be | 14479 | if (INTEL_INFO(dev)->gen < 4) { |
4ee62c76 VS |
14480 | DRM_DEBUG("unsupported pixel format: %s\n", |
14481 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14482 | return -EINVAL; |
c16ed4be | 14483 | } |
b5626747 | 14484 | break; |
7531208b DL |
14485 | case DRM_FORMAT_ABGR2101010: |
14486 | if (!IS_VALLEYVIEW(dev)) { | |
14487 | DRM_DEBUG("unsupported pixel format: %s\n", | |
14488 | drm_get_format_name(mode_cmd->pixel_format)); | |
14489 | return -EINVAL; | |
14490 | } | |
14491 | break; | |
04b3924d VS |
14492 | case DRM_FORMAT_YUYV: |
14493 | case DRM_FORMAT_UYVY: | |
14494 | case DRM_FORMAT_YVYU: | |
14495 | case DRM_FORMAT_VYUY: | |
c16ed4be | 14496 | if (INTEL_INFO(dev)->gen < 5) { |
4ee62c76 VS |
14497 | DRM_DEBUG("unsupported pixel format: %s\n", |
14498 | drm_get_format_name(mode_cmd->pixel_format)); | |
57779d06 | 14499 | return -EINVAL; |
c16ed4be | 14500 | } |
57cd6508 CW |
14501 | break; |
14502 | default: | |
4ee62c76 VS |
14503 | DRM_DEBUG("unsupported pixel format: %s\n", |
14504 | drm_get_format_name(mode_cmd->pixel_format)); | |
57cd6508 CW |
14505 | return -EINVAL; |
14506 | } | |
14507 | ||
90f9a336 VS |
14508 | /* FIXME need to adjust LINOFF/TILEOFF accordingly. */ |
14509 | if (mode_cmd->offsets[0] != 0) | |
14510 | return -EINVAL; | |
14511 | ||
ec2c981e | 14512 | aligned_height = intel_fb_align_height(dev, mode_cmd->height, |
091df6cb DV |
14513 | mode_cmd->pixel_format, |
14514 | mode_cmd->modifier[0]); | |
53155c0a DV |
14515 | /* FIXME drm helper for size checks (especially planar formats)? */ |
14516 | if (obj->base.size < aligned_height * mode_cmd->pitches[0]) | |
14517 | return -EINVAL; | |
14518 | ||
c7d73f6a DV |
14519 | drm_helper_mode_fill_fb_struct(&intel_fb->base, mode_cmd); |
14520 | intel_fb->obj = obj; | |
80075d49 | 14521 | intel_fb->obj->framebuffer_references++; |
c7d73f6a | 14522 | |
79e53945 JB |
14523 | ret = drm_framebuffer_init(dev, &intel_fb->base, &intel_fb_funcs); |
14524 | if (ret) { | |
14525 | DRM_ERROR("framebuffer init failed %d\n", ret); | |
14526 | return ret; | |
14527 | } | |
14528 | ||
79e53945 JB |
14529 | return 0; |
14530 | } | |
14531 | ||
79e53945 JB |
14532 | static struct drm_framebuffer * |
14533 | intel_user_framebuffer_create(struct drm_device *dev, | |
14534 | struct drm_file *filp, | |
308e5bcb | 14535 | struct drm_mode_fb_cmd2 *mode_cmd) |
79e53945 | 14536 | { |
dcb1394e | 14537 | struct drm_framebuffer *fb; |
05394f39 | 14538 | struct drm_i915_gem_object *obj; |
79e53945 | 14539 | |
308e5bcb JB |
14540 | obj = to_intel_bo(drm_gem_object_lookup(dev, filp, |
14541 | mode_cmd->handles[0])); | |
c8725226 | 14542 | if (&obj->base == NULL) |
cce13ff7 | 14543 | return ERR_PTR(-ENOENT); |
79e53945 | 14544 | |
dcb1394e LW |
14545 | fb = intel_framebuffer_create(dev, mode_cmd, obj); |
14546 | if (IS_ERR(fb)) | |
14547 | drm_gem_object_unreference_unlocked(&obj->base); | |
14548 | ||
14549 | return fb; | |
79e53945 JB |
14550 | } |
14551 | ||
0695726e | 14552 | #ifndef CONFIG_DRM_FBDEV_EMULATION |
0632fef6 | 14553 | static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) |
4520f53a DV |
14554 | { |
14555 | } | |
14556 | #endif | |
14557 | ||
79e53945 | 14558 | static const struct drm_mode_config_funcs intel_mode_funcs = { |
79e53945 | 14559 | .fb_create = intel_user_framebuffer_create, |
0632fef6 | 14560 | .output_poll_changed = intel_fbdev_output_poll_changed, |
5ee67f1c MR |
14561 | .atomic_check = intel_atomic_check, |
14562 | .atomic_commit = intel_atomic_commit, | |
de419ab6 ML |
14563 | .atomic_state_alloc = intel_atomic_state_alloc, |
14564 | .atomic_state_clear = intel_atomic_state_clear, | |
79e53945 JB |
14565 | }; |
14566 | ||
e70236a8 JB |
14567 | /* Set up chip specific display functions */ |
14568 | static void intel_init_display(struct drm_device *dev) | |
14569 | { | |
14570 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14571 | ||
ee9300bb DV |
14572 | if (HAS_PCH_SPLIT(dev) || IS_G4X(dev)) |
14573 | dev_priv->display.find_dpll = g4x_find_best_dpll; | |
ef9348c8 CML |
14574 | else if (IS_CHERRYVIEW(dev)) |
14575 | dev_priv->display.find_dpll = chv_find_best_dpll; | |
ee9300bb DV |
14576 | else if (IS_VALLEYVIEW(dev)) |
14577 | dev_priv->display.find_dpll = vlv_find_best_dpll; | |
14578 | else if (IS_PINEVIEW(dev)) | |
14579 | dev_priv->display.find_dpll = pnv_find_best_dpll; | |
14580 | else | |
14581 | dev_priv->display.find_dpll = i9xx_find_best_dpll; | |
14582 | ||
bc8d7dff DL |
14583 | if (INTEL_INFO(dev)->gen >= 9) { |
14584 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; | |
5724dbd1 DL |
14585 | dev_priv->display.get_initial_plane_config = |
14586 | skylake_get_initial_plane_config; | |
bc8d7dff DL |
14587 | dev_priv->display.crtc_compute_clock = |
14588 | haswell_crtc_compute_clock; | |
14589 | dev_priv->display.crtc_enable = haswell_crtc_enable; | |
14590 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
bc8d7dff DL |
14591 | dev_priv->display.update_primary_plane = |
14592 | skylake_update_primary_plane; | |
14593 | } else if (HAS_DDI(dev)) { | |
0e8ffe1b | 14594 | dev_priv->display.get_pipe_config = haswell_get_pipe_config; |
5724dbd1 DL |
14595 | dev_priv->display.get_initial_plane_config = |
14596 | ironlake_get_initial_plane_config; | |
797d0259 ACO |
14597 | dev_priv->display.crtc_compute_clock = |
14598 | haswell_crtc_compute_clock; | |
4f771f10 PZ |
14599 | dev_priv->display.crtc_enable = haswell_crtc_enable; |
14600 | dev_priv->display.crtc_disable = haswell_crtc_disable; | |
bc8d7dff DL |
14601 | dev_priv->display.update_primary_plane = |
14602 | ironlake_update_primary_plane; | |
09b4ddf9 | 14603 | } else if (HAS_PCH_SPLIT(dev)) { |
0e8ffe1b | 14604 | dev_priv->display.get_pipe_config = ironlake_get_pipe_config; |
5724dbd1 DL |
14605 | dev_priv->display.get_initial_plane_config = |
14606 | ironlake_get_initial_plane_config; | |
3fb37703 ACO |
14607 | dev_priv->display.crtc_compute_clock = |
14608 | ironlake_crtc_compute_clock; | |
76e5a89c DV |
14609 | dev_priv->display.crtc_enable = ironlake_crtc_enable; |
14610 | dev_priv->display.crtc_disable = ironlake_crtc_disable; | |
262ca2b0 MR |
14611 | dev_priv->display.update_primary_plane = |
14612 | ironlake_update_primary_plane; | |
89b667f8 JB |
14613 | } else if (IS_VALLEYVIEW(dev)) { |
14614 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; | |
5724dbd1 DL |
14615 | dev_priv->display.get_initial_plane_config = |
14616 | i9xx_get_initial_plane_config; | |
d6dfee7a | 14617 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
89b667f8 JB |
14618 | dev_priv->display.crtc_enable = valleyview_crtc_enable; |
14619 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
262ca2b0 MR |
14620 | dev_priv->display.update_primary_plane = |
14621 | i9xx_update_primary_plane; | |
f564048e | 14622 | } else { |
0e8ffe1b | 14623 | dev_priv->display.get_pipe_config = i9xx_get_pipe_config; |
5724dbd1 DL |
14624 | dev_priv->display.get_initial_plane_config = |
14625 | i9xx_get_initial_plane_config; | |
d6dfee7a | 14626 | dev_priv->display.crtc_compute_clock = i9xx_crtc_compute_clock; |
76e5a89c DV |
14627 | dev_priv->display.crtc_enable = i9xx_crtc_enable; |
14628 | dev_priv->display.crtc_disable = i9xx_crtc_disable; | |
262ca2b0 MR |
14629 | dev_priv->display.update_primary_plane = |
14630 | i9xx_update_primary_plane; | |
f564048e | 14631 | } |
e70236a8 | 14632 | |
e70236a8 | 14633 | /* Returns the core display clock speed */ |
ef11bdb3 | 14634 | if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) |
1652d19e VS |
14635 | dev_priv->display.get_display_clock_speed = |
14636 | skylake_get_display_clock_speed; | |
acd3f3d3 BP |
14637 | else if (IS_BROXTON(dev)) |
14638 | dev_priv->display.get_display_clock_speed = | |
14639 | broxton_get_display_clock_speed; | |
1652d19e VS |
14640 | else if (IS_BROADWELL(dev)) |
14641 | dev_priv->display.get_display_clock_speed = | |
14642 | broadwell_get_display_clock_speed; | |
14643 | else if (IS_HASWELL(dev)) | |
14644 | dev_priv->display.get_display_clock_speed = | |
14645 | haswell_get_display_clock_speed; | |
14646 | else if (IS_VALLEYVIEW(dev)) | |
25eb05fc JB |
14647 | dev_priv->display.get_display_clock_speed = |
14648 | valleyview_get_display_clock_speed; | |
b37a6434 VS |
14649 | else if (IS_GEN5(dev)) |
14650 | dev_priv->display.get_display_clock_speed = | |
14651 | ilk_get_display_clock_speed; | |
a7c66cd8 | 14652 | else if (IS_I945G(dev) || IS_BROADWATER(dev) || |
34edce2f | 14653 | IS_GEN6(dev) || IS_IVYBRIDGE(dev)) |
e70236a8 JB |
14654 | dev_priv->display.get_display_clock_speed = |
14655 | i945_get_display_clock_speed; | |
34edce2f VS |
14656 | else if (IS_GM45(dev)) |
14657 | dev_priv->display.get_display_clock_speed = | |
14658 | gm45_get_display_clock_speed; | |
14659 | else if (IS_CRESTLINE(dev)) | |
14660 | dev_priv->display.get_display_clock_speed = | |
14661 | i965gm_get_display_clock_speed; | |
14662 | else if (IS_PINEVIEW(dev)) | |
14663 | dev_priv->display.get_display_clock_speed = | |
14664 | pnv_get_display_clock_speed; | |
14665 | else if (IS_G33(dev) || IS_G4X(dev)) | |
14666 | dev_priv->display.get_display_clock_speed = | |
14667 | g33_get_display_clock_speed; | |
e70236a8 JB |
14668 | else if (IS_I915G(dev)) |
14669 | dev_priv->display.get_display_clock_speed = | |
14670 | i915_get_display_clock_speed; | |
257a7ffc | 14671 | else if (IS_I945GM(dev) || IS_845G(dev)) |
e70236a8 JB |
14672 | dev_priv->display.get_display_clock_speed = |
14673 | i9xx_misc_get_display_clock_speed; | |
257a7ffc DV |
14674 | else if (IS_PINEVIEW(dev)) |
14675 | dev_priv->display.get_display_clock_speed = | |
14676 | pnv_get_display_clock_speed; | |
e70236a8 JB |
14677 | else if (IS_I915GM(dev)) |
14678 | dev_priv->display.get_display_clock_speed = | |
14679 | i915gm_get_display_clock_speed; | |
14680 | else if (IS_I865G(dev)) | |
14681 | dev_priv->display.get_display_clock_speed = | |
14682 | i865_get_display_clock_speed; | |
f0f8a9ce | 14683 | else if (IS_I85X(dev)) |
e70236a8 | 14684 | dev_priv->display.get_display_clock_speed = |
1b1d2716 | 14685 | i85x_get_display_clock_speed; |
623e01e5 VS |
14686 | else { /* 830 */ |
14687 | WARN(!IS_I830(dev), "Unknown platform. Assuming 133 MHz CDCLK\n"); | |
e70236a8 JB |
14688 | dev_priv->display.get_display_clock_speed = |
14689 | i830_get_display_clock_speed; | |
623e01e5 | 14690 | } |
e70236a8 | 14691 | |
7c10a2b5 | 14692 | if (IS_GEN5(dev)) { |
3bb11b53 | 14693 | dev_priv->display.fdi_link_train = ironlake_fdi_link_train; |
3bb11b53 SJ |
14694 | } else if (IS_GEN6(dev)) { |
14695 | dev_priv->display.fdi_link_train = gen6_fdi_link_train; | |
3bb11b53 SJ |
14696 | } else if (IS_IVYBRIDGE(dev)) { |
14697 | /* FIXME: detect B0+ stepping and use auto training */ | |
14698 | dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train; | |
059b2fe9 | 14699 | } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) { |
3bb11b53 | 14700 | dev_priv->display.fdi_link_train = hsw_fdi_link_train; |
27c329ed ML |
14701 | if (IS_BROADWELL(dev)) { |
14702 | dev_priv->display.modeset_commit_cdclk = | |
14703 | broadwell_modeset_commit_cdclk; | |
14704 | dev_priv->display.modeset_calc_cdclk = | |
14705 | broadwell_modeset_calc_cdclk; | |
14706 | } | |
30a970c6 | 14707 | } else if (IS_VALLEYVIEW(dev)) { |
27c329ed ML |
14708 | dev_priv->display.modeset_commit_cdclk = |
14709 | valleyview_modeset_commit_cdclk; | |
14710 | dev_priv->display.modeset_calc_cdclk = | |
14711 | valleyview_modeset_calc_cdclk; | |
f8437dd1 | 14712 | } else if (IS_BROXTON(dev)) { |
27c329ed ML |
14713 | dev_priv->display.modeset_commit_cdclk = |
14714 | broxton_modeset_commit_cdclk; | |
14715 | dev_priv->display.modeset_calc_cdclk = | |
14716 | broxton_modeset_calc_cdclk; | |
e70236a8 | 14717 | } |
8c9f3aaf | 14718 | |
8c9f3aaf JB |
14719 | switch (INTEL_INFO(dev)->gen) { |
14720 | case 2: | |
14721 | dev_priv->display.queue_flip = intel_gen2_queue_flip; | |
14722 | break; | |
14723 | ||
14724 | case 3: | |
14725 | dev_priv->display.queue_flip = intel_gen3_queue_flip; | |
14726 | break; | |
14727 | ||
14728 | case 4: | |
14729 | case 5: | |
14730 | dev_priv->display.queue_flip = intel_gen4_queue_flip; | |
14731 | break; | |
14732 | ||
14733 | case 6: | |
14734 | dev_priv->display.queue_flip = intel_gen6_queue_flip; | |
14735 | break; | |
7c9017e5 | 14736 | case 7: |
4e0bbc31 | 14737 | case 8: /* FIXME(BDW): Check that the gen8 RCS flip works. */ |
7c9017e5 JB |
14738 | dev_priv->display.queue_flip = intel_gen7_queue_flip; |
14739 | break; | |
830c81db | 14740 | case 9: |
ba343e02 TU |
14741 | /* Drop through - unsupported since execlist only. */ |
14742 | default: | |
14743 | /* Default just returns -ENODEV to indicate unsupported */ | |
14744 | dev_priv->display.queue_flip = intel_default_queue_flip; | |
8c9f3aaf | 14745 | } |
7bd688cd | 14746 | |
e39b999a | 14747 | mutex_init(&dev_priv->pps_mutex); |
e70236a8 JB |
14748 | } |
14749 | ||
b690e96c JB |
14750 | /* |
14751 | * Some BIOSes insist on assuming the GPU's pipe A is enabled at suspend, | |
14752 | * resume, or other times. This quirk makes sure that's the case for | |
14753 | * affected systems. | |
14754 | */ | |
0206e353 | 14755 | static void quirk_pipea_force(struct drm_device *dev) |
b690e96c JB |
14756 | { |
14757 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14758 | ||
14759 | dev_priv->quirks |= QUIRK_PIPEA_FORCE; | |
bc0daf48 | 14760 | DRM_INFO("applying pipe a force quirk\n"); |
b690e96c JB |
14761 | } |
14762 | ||
b6b5d049 VS |
14763 | static void quirk_pipeb_force(struct drm_device *dev) |
14764 | { | |
14765 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14766 | ||
14767 | dev_priv->quirks |= QUIRK_PIPEB_FORCE; | |
14768 | DRM_INFO("applying pipe b force quirk\n"); | |
14769 | } | |
14770 | ||
435793df KP |
14771 | /* |
14772 | * Some machines (Lenovo U160) do not work with SSC on LVDS for some reason | |
14773 | */ | |
14774 | static void quirk_ssc_force_disable(struct drm_device *dev) | |
14775 | { | |
14776 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14777 | dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; | |
bc0daf48 | 14778 | DRM_INFO("applying lvds SSC disable quirk\n"); |
435793df KP |
14779 | } |
14780 | ||
4dca20ef | 14781 | /* |
5a15ab5b CE |
14782 | * A machine (e.g. Acer Aspire 5734Z) may need to invert the panel backlight |
14783 | * brightness value | |
4dca20ef CE |
14784 | */ |
14785 | static void quirk_invert_brightness(struct drm_device *dev) | |
14786 | { | |
14787 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14788 | dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; | |
bc0daf48 | 14789 | DRM_INFO("applying inverted panel brightness quirk\n"); |
435793df KP |
14790 | } |
14791 | ||
9c72cc6f SD |
14792 | /* Some VBT's incorrectly indicate no backlight is present */ |
14793 | static void quirk_backlight_present(struct drm_device *dev) | |
14794 | { | |
14795 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14796 | dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT; | |
14797 | DRM_INFO("applying backlight present quirk\n"); | |
14798 | } | |
14799 | ||
b690e96c JB |
14800 | struct intel_quirk { |
14801 | int device; | |
14802 | int subsystem_vendor; | |
14803 | int subsystem_device; | |
14804 | void (*hook)(struct drm_device *dev); | |
14805 | }; | |
14806 | ||
5f85f176 EE |
14807 | /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ |
14808 | struct intel_dmi_quirk { | |
14809 | void (*hook)(struct drm_device *dev); | |
14810 | const struct dmi_system_id (*dmi_id_list)[]; | |
14811 | }; | |
14812 | ||
14813 | static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) | |
14814 | { | |
14815 | DRM_INFO("Backlight polarity reversed on %s\n", id->ident); | |
14816 | return 1; | |
14817 | } | |
14818 | ||
14819 | static const struct intel_dmi_quirk intel_dmi_quirks[] = { | |
14820 | { | |
14821 | .dmi_id_list = &(const struct dmi_system_id[]) { | |
14822 | { | |
14823 | .callback = intel_dmi_reverse_brightness, | |
14824 | .ident = "NCR Corporation", | |
14825 | .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), | |
14826 | DMI_MATCH(DMI_PRODUCT_NAME, ""), | |
14827 | }, | |
14828 | }, | |
14829 | { } /* terminating entry */ | |
14830 | }, | |
14831 | .hook = quirk_invert_brightness, | |
14832 | }, | |
14833 | }; | |
14834 | ||
c43b5634 | 14835 | static struct intel_quirk intel_quirks[] = { |
b690e96c JB |
14836 | /* Toshiba Protege R-205, S-209 needs pipe A force quirk */ |
14837 | { 0x2592, 0x1179, 0x0001, quirk_pipea_force }, | |
14838 | ||
b690e96c JB |
14839 | /* ThinkPad T60 needs pipe A force quirk (bug #16494) */ |
14840 | { 0x2782, 0x17aa, 0x201a, quirk_pipea_force }, | |
14841 | ||
5f080c0f VS |
14842 | /* 830 needs to leave pipe A & dpll A up */ |
14843 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipea_force }, | |
14844 | ||
b6b5d049 VS |
14845 | /* 830 needs to leave pipe B & dpll B up */ |
14846 | { 0x3577, PCI_ANY_ID, PCI_ANY_ID, quirk_pipeb_force }, | |
14847 | ||
435793df KP |
14848 | /* Lenovo U160 cannot use SSC on LVDS */ |
14849 | { 0x0046, 0x17aa, 0x3920, quirk_ssc_force_disable }, | |
070d329a MAS |
14850 | |
14851 | /* Sony Vaio Y cannot use SSC on LVDS */ | |
14852 | { 0x0046, 0x104d, 0x9076, quirk_ssc_force_disable }, | |
5a15ab5b | 14853 | |
be505f64 AH |
14854 | /* Acer Aspire 5734Z must invert backlight brightness */ |
14855 | { 0x2a42, 0x1025, 0x0459, quirk_invert_brightness }, | |
14856 | ||
14857 | /* Acer/eMachines G725 */ | |
14858 | { 0x2a42, 0x1025, 0x0210, quirk_invert_brightness }, | |
14859 | ||
14860 | /* Acer/eMachines e725 */ | |
14861 | { 0x2a42, 0x1025, 0x0212, quirk_invert_brightness }, | |
14862 | ||
14863 | /* Acer/Packard Bell NCL20 */ | |
14864 | { 0x2a42, 0x1025, 0x034b, quirk_invert_brightness }, | |
14865 | ||
14866 | /* Acer Aspire 4736Z */ | |
14867 | { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness }, | |
0f540c3a JN |
14868 | |
14869 | /* Acer Aspire 5336 */ | |
14870 | { 0x2a42, 0x1025, 0x048a, quirk_invert_brightness }, | |
2e93a1aa SD |
14871 | |
14872 | /* Acer C720 and C720P Chromebooks (Celeron 2955U) have backlights */ | |
14873 | { 0x0a06, 0x1025, 0x0a11, quirk_backlight_present }, | |
d4967d8c | 14874 | |
dfb3d47b SD |
14875 | /* Acer C720 Chromebook (Core i3 4005U) */ |
14876 | { 0x0a16, 0x1025, 0x0a11, quirk_backlight_present }, | |
14877 | ||
b2a9601c | 14878 | /* Apple Macbook 2,1 (Core 2 T7400) */ |
14879 | { 0x27a2, 0x8086, 0x7270, quirk_backlight_present }, | |
14880 | ||
d4967d8c SD |
14881 | /* Toshiba CB35 Chromebook (Celeron 2955U) */ |
14882 | { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, | |
724cb06f SD |
14883 | |
14884 | /* HP Chromebook 14 (Celeron 2955U) */ | |
14885 | { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, | |
cf6f0af9 JN |
14886 | |
14887 | /* Dell Chromebook 11 */ | |
14888 | { 0x0a06, 0x1028, 0x0a35, quirk_backlight_present }, | |
b690e96c JB |
14889 | }; |
14890 | ||
14891 | static void intel_init_quirks(struct drm_device *dev) | |
14892 | { | |
14893 | struct pci_dev *d = dev->pdev; | |
14894 | int i; | |
14895 | ||
14896 | for (i = 0; i < ARRAY_SIZE(intel_quirks); i++) { | |
14897 | struct intel_quirk *q = &intel_quirks[i]; | |
14898 | ||
14899 | if (d->device == q->device && | |
14900 | (d->subsystem_vendor == q->subsystem_vendor || | |
14901 | q->subsystem_vendor == PCI_ANY_ID) && | |
14902 | (d->subsystem_device == q->subsystem_device || | |
14903 | q->subsystem_device == PCI_ANY_ID)) | |
14904 | q->hook(dev); | |
14905 | } | |
5f85f176 EE |
14906 | for (i = 0; i < ARRAY_SIZE(intel_dmi_quirks); i++) { |
14907 | if (dmi_check_system(*intel_dmi_quirks[i].dmi_id_list) != 0) | |
14908 | intel_dmi_quirks[i].hook(dev); | |
14909 | } | |
b690e96c JB |
14910 | } |
14911 | ||
9cce37f4 JB |
14912 | /* Disable the VGA plane that we never use */ |
14913 | static void i915_disable_vga(struct drm_device *dev) | |
14914 | { | |
14915 | struct drm_i915_private *dev_priv = dev->dev_private; | |
14916 | u8 sr1; | |
766aa1c4 | 14917 | u32 vga_reg = i915_vgacntrl_reg(dev); |
9cce37f4 | 14918 | |
2b37c616 | 14919 | /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */ |
9cce37f4 | 14920 | vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); |
3fdcf431 | 14921 | outb(SR01, VGA_SR_INDEX); |
9cce37f4 JB |
14922 | sr1 = inb(VGA_SR_DATA); |
14923 | outb(sr1 | 1<<5, VGA_SR_DATA); | |
14924 | vga_put(dev->pdev, VGA_RSRC_LEGACY_IO); | |
14925 | udelay(300); | |
14926 | ||
01f5a626 | 14927 | I915_WRITE(vga_reg, VGA_DISP_DISABLE); |
9cce37f4 JB |
14928 | POSTING_READ(vga_reg); |
14929 | } | |
14930 | ||
f817586c DV |
14931 | void intel_modeset_init_hw(struct drm_device *dev) |
14932 | { | |
b6283055 | 14933 | intel_update_cdclk(dev); |
a8f78b58 | 14934 | intel_prepare_ddi(dev); |
f817586c | 14935 | intel_init_clock_gating(dev); |
8090c6b9 | 14936 | intel_enable_gt_powersave(dev); |
f817586c DV |
14937 | } |
14938 | ||
79e53945 JB |
14939 | void intel_modeset_init(struct drm_device *dev) |
14940 | { | |
652c393a | 14941 | struct drm_i915_private *dev_priv = dev->dev_private; |
1fe47785 | 14942 | int sprite, ret; |
8cc87b75 | 14943 | enum pipe pipe; |
46f297fb | 14944 | struct intel_crtc *crtc; |
79e53945 JB |
14945 | |
14946 | drm_mode_config_init(dev); | |
14947 | ||
14948 | dev->mode_config.min_width = 0; | |
14949 | dev->mode_config.min_height = 0; | |
14950 | ||
019d96cb DA |
14951 | dev->mode_config.preferred_depth = 24; |
14952 | dev->mode_config.prefer_shadow = 1; | |
14953 | ||
25bab385 TU |
14954 | dev->mode_config.allow_fb_modifiers = true; |
14955 | ||
e6ecefaa | 14956 | dev->mode_config.funcs = &intel_mode_funcs; |
79e53945 | 14957 | |
b690e96c JB |
14958 | intel_init_quirks(dev); |
14959 | ||
1fa61106 ED |
14960 | intel_init_pm(dev); |
14961 | ||
e3c74757 BW |
14962 | if (INTEL_INFO(dev)->num_pipes == 0) |
14963 | return; | |
14964 | ||
69f92f67 LW |
14965 | /* |
14966 | * There may be no VBT; and if the BIOS enabled SSC we can | |
14967 | * just keep using it to avoid unnecessary flicker. Whereas if the | |
14968 | * BIOS isn't using it, don't assume it will work even if the VBT | |
14969 | * indicates as much. | |
14970 | */ | |
14971 | if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev)) { | |
14972 | bool bios_lvds_use_ssc = !!(I915_READ(PCH_DREF_CONTROL) & | |
14973 | DREF_SSC1_ENABLE); | |
14974 | ||
14975 | if (dev_priv->vbt.lvds_use_ssc != bios_lvds_use_ssc) { | |
14976 | DRM_DEBUG_KMS("SSC %sabled by BIOS, overriding VBT which says %sabled\n", | |
14977 | bios_lvds_use_ssc ? "en" : "dis", | |
14978 | dev_priv->vbt.lvds_use_ssc ? "en" : "dis"); | |
14979 | dev_priv->vbt.lvds_use_ssc = bios_lvds_use_ssc; | |
14980 | } | |
14981 | } | |
14982 | ||
e70236a8 | 14983 | intel_init_display(dev); |
7c10a2b5 | 14984 | intel_init_audio(dev); |
e70236a8 | 14985 | |
a6c45cf0 CW |
14986 | if (IS_GEN2(dev)) { |
14987 | dev->mode_config.max_width = 2048; | |
14988 | dev->mode_config.max_height = 2048; | |
14989 | } else if (IS_GEN3(dev)) { | |
5e4d6fa7 KP |
14990 | dev->mode_config.max_width = 4096; |
14991 | dev->mode_config.max_height = 4096; | |
79e53945 | 14992 | } else { |
a6c45cf0 CW |
14993 | dev->mode_config.max_width = 8192; |
14994 | dev->mode_config.max_height = 8192; | |
79e53945 | 14995 | } |
068be561 | 14996 | |
dc41c154 VS |
14997 | if (IS_845G(dev) || IS_I865G(dev)) { |
14998 | dev->mode_config.cursor_width = IS_845G(dev) ? 64 : 512; | |
14999 | dev->mode_config.cursor_height = 1023; | |
15000 | } else if (IS_GEN2(dev)) { | |
068be561 DL |
15001 | dev->mode_config.cursor_width = GEN2_CURSOR_WIDTH; |
15002 | dev->mode_config.cursor_height = GEN2_CURSOR_HEIGHT; | |
15003 | } else { | |
15004 | dev->mode_config.cursor_width = MAX_CURSOR_WIDTH; | |
15005 | dev->mode_config.cursor_height = MAX_CURSOR_HEIGHT; | |
15006 | } | |
15007 | ||
5d4545ae | 15008 | dev->mode_config.fb_base = dev_priv->gtt.mappable_base; |
79e53945 | 15009 | |
28c97730 | 15010 | DRM_DEBUG_KMS("%d display pipe%s available.\n", |
7eb552ae BW |
15011 | INTEL_INFO(dev)->num_pipes, |
15012 | INTEL_INFO(dev)->num_pipes > 1 ? "s" : ""); | |
79e53945 | 15013 | |
055e393f | 15014 | for_each_pipe(dev_priv, pipe) { |
8cc87b75 | 15015 | intel_crtc_init(dev, pipe); |
3bdcfc0c | 15016 | for_each_sprite(dev_priv, pipe, sprite) { |
1fe47785 | 15017 | ret = intel_plane_init(dev, pipe, sprite); |
7f1f3851 | 15018 | if (ret) |
06da8da2 | 15019 | DRM_DEBUG_KMS("pipe %c sprite %c init failed: %d\n", |
1fe47785 | 15020 | pipe_name(pipe), sprite_name(pipe, sprite), ret); |
7f1f3851 | 15021 | } |
79e53945 JB |
15022 | } |
15023 | ||
bfa7df01 VS |
15024 | intel_update_czclk(dev_priv); |
15025 | intel_update_cdclk(dev); | |
15026 | ||
e72f9fbf | 15027 | intel_shared_dpll_init(dev); |
ee7b9f93 | 15028 | |
9cce37f4 JB |
15029 | /* Just disable it once at startup */ |
15030 | i915_disable_vga(dev); | |
79e53945 | 15031 | intel_setup_outputs(dev); |
11be49eb CW |
15032 | |
15033 | /* Just in case the BIOS is doing something questionable. */ | |
7733b49b | 15034 | intel_fbc_disable(dev_priv); |
fa9fa083 | 15035 | |
6e9f798d | 15036 | drm_modeset_lock_all(dev); |
043e9bda | 15037 | intel_modeset_setup_hw_state(dev); |
6e9f798d | 15038 | drm_modeset_unlock_all(dev); |
46f297fb | 15039 | |
d3fcc808 | 15040 | for_each_intel_crtc(dev, crtc) { |
eeebeac5 ML |
15041 | struct intel_initial_plane_config plane_config = {}; |
15042 | ||
46f297fb JB |
15043 | if (!crtc->active) |
15044 | continue; | |
15045 | ||
46f297fb | 15046 | /* |
46f297fb JB |
15047 | * Note that reserving the BIOS fb up front prevents us |
15048 | * from stuffing other stolen allocations like the ring | |
15049 | * on top. This prevents some ugliness at boot time, and | |
15050 | * can even allow for smooth boot transitions if the BIOS | |
15051 | * fb is large enough for the active pipe configuration. | |
15052 | */ | |
eeebeac5 ML |
15053 | dev_priv->display.get_initial_plane_config(crtc, |
15054 | &plane_config); | |
15055 | ||
15056 | /* | |
15057 | * If the fb is shared between multiple heads, we'll | |
15058 | * just get the first one. | |
15059 | */ | |
15060 | intel_find_initial_plane_obj(crtc, &plane_config); | |
46f297fb | 15061 | } |
2c7111db CW |
15062 | } |
15063 | ||
7fad798e DV |
15064 | static void intel_enable_pipe_a(struct drm_device *dev) |
15065 | { | |
15066 | struct intel_connector *connector; | |
15067 | struct drm_connector *crt = NULL; | |
15068 | struct intel_load_detect_pipe load_detect_temp; | |
208bf9fd | 15069 | struct drm_modeset_acquire_ctx *ctx = dev->mode_config.acquire_ctx; |
7fad798e DV |
15070 | |
15071 | /* We can't just switch on the pipe A, we need to set things up with a | |
15072 | * proper mode and output configuration. As a gross hack, enable pipe A | |
15073 | * by enabling the load detect pipe once. */ | |
3a3371ff | 15074 | for_each_intel_connector(dev, connector) { |
7fad798e DV |
15075 | if (connector->encoder->type == INTEL_OUTPUT_ANALOG) { |
15076 | crt = &connector->base; | |
15077 | break; | |
15078 | } | |
15079 | } | |
15080 | ||
15081 | if (!crt) | |
15082 | return; | |
15083 | ||
208bf9fd | 15084 | if (intel_get_load_detect_pipe(crt, NULL, &load_detect_temp, ctx)) |
49172fee | 15085 | intel_release_load_detect_pipe(crt, &load_detect_temp, ctx); |
7fad798e DV |
15086 | } |
15087 | ||
fa555837 DV |
15088 | static bool |
15089 | intel_check_plane_mapping(struct intel_crtc *crtc) | |
15090 | { | |
7eb552ae BW |
15091 | struct drm_device *dev = crtc->base.dev; |
15092 | struct drm_i915_private *dev_priv = dev->dev_private; | |
649636ef | 15093 | u32 val; |
fa555837 | 15094 | |
7eb552ae | 15095 | if (INTEL_INFO(dev)->num_pipes == 1) |
fa555837 DV |
15096 | return true; |
15097 | ||
649636ef | 15098 | val = I915_READ(DSPCNTR(!crtc->plane)); |
fa555837 DV |
15099 | |
15100 | if ((val & DISPLAY_PLANE_ENABLE) && | |
15101 | (!!(val & DISPPLANE_SEL_PIPE_MASK) == crtc->pipe)) | |
15102 | return false; | |
15103 | ||
15104 | return true; | |
15105 | } | |
15106 | ||
02e93c35 VS |
15107 | static bool intel_crtc_has_encoders(struct intel_crtc *crtc) |
15108 | { | |
15109 | struct drm_device *dev = crtc->base.dev; | |
15110 | struct intel_encoder *encoder; | |
15111 | ||
15112 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) | |
15113 | return true; | |
15114 | ||
15115 | return false; | |
15116 | } | |
15117 | ||
24929352 DV |
15118 | static void intel_sanitize_crtc(struct intel_crtc *crtc) |
15119 | { | |
15120 | struct drm_device *dev = crtc->base.dev; | |
15121 | struct drm_i915_private *dev_priv = dev->dev_private; | |
fa555837 | 15122 | u32 reg; |
24929352 | 15123 | |
24929352 | 15124 | /* Clear any frame start delays used for debugging left by the BIOS */ |
6e3c9717 | 15125 | reg = PIPECONF(crtc->config->cpu_transcoder); |
24929352 DV |
15126 | I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK); |
15127 | ||
d3eaf884 | 15128 | /* restore vblank interrupts to correct state */ |
9625604c | 15129 | drm_crtc_vblank_reset(&crtc->base); |
d297e103 | 15130 | if (crtc->active) { |
f9cd7b88 VS |
15131 | struct intel_plane *plane; |
15132 | ||
9625604c | 15133 | drm_crtc_vblank_on(&crtc->base); |
f9cd7b88 VS |
15134 | |
15135 | /* Disable everything but the primary plane */ | |
15136 | for_each_intel_plane_on_crtc(dev, crtc, plane) { | |
15137 | if (plane->base.type == DRM_PLANE_TYPE_PRIMARY) | |
15138 | continue; | |
15139 | ||
15140 | plane->disable_plane(&plane->base, &crtc->base); | |
15141 | } | |
9625604c | 15142 | } |
d3eaf884 | 15143 | |
24929352 | 15144 | /* We need to sanitize the plane -> pipe mapping first because this will |
fa555837 DV |
15145 | * disable the crtc (and hence change the state) if it is wrong. Note |
15146 | * that gen4+ has a fixed plane -> pipe mapping. */ | |
15147 | if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) { | |
24929352 DV |
15148 | bool plane; |
15149 | ||
24929352 DV |
15150 | DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n", |
15151 | crtc->base.base.id); | |
15152 | ||
15153 | /* Pipe has the wrong plane attached and the plane is active. | |
15154 | * Temporarily change the plane mapping and disable everything | |
15155 | * ... */ | |
15156 | plane = crtc->plane; | |
b70709a6 | 15157 | to_intel_plane_state(crtc->base.primary->state)->visible = true; |
24929352 | 15158 | crtc->plane = !plane; |
b17d48e2 | 15159 | intel_crtc_disable_noatomic(&crtc->base); |
24929352 | 15160 | crtc->plane = plane; |
24929352 | 15161 | } |
24929352 | 15162 | |
7fad798e DV |
15163 | if (dev_priv->quirks & QUIRK_PIPEA_FORCE && |
15164 | crtc->pipe == PIPE_A && !crtc->active) { | |
15165 | /* BIOS forgot to enable pipe A, this mostly happens after | |
15166 | * resume. Force-enable the pipe to fix this, the update_dpms | |
15167 | * call below we restore the pipe to the right state, but leave | |
15168 | * the required bits on. */ | |
15169 | intel_enable_pipe_a(dev); | |
15170 | } | |
15171 | ||
24929352 DV |
15172 | /* Adjust the state of the output pipe according to whether we |
15173 | * have active connectors/encoders. */ | |
02e93c35 | 15174 | if (!intel_crtc_has_encoders(crtc)) |
b17d48e2 | 15175 | intel_crtc_disable_noatomic(&crtc->base); |
24929352 | 15176 | |
53d9f4e9 | 15177 | if (crtc->active != crtc->base.state->active) { |
02e93c35 | 15178 | struct intel_encoder *encoder; |
24929352 DV |
15179 | |
15180 | /* This can happen either due to bugs in the get_hw_state | |
b17d48e2 ML |
15181 | * functions or because of calls to intel_crtc_disable_noatomic, |
15182 | * or because the pipe is force-enabled due to the | |
24929352 DV |
15183 | * pipe A quirk. */ |
15184 | DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n", | |
15185 | crtc->base.base.id, | |
83d65738 | 15186 | crtc->base.state->enable ? "enabled" : "disabled", |
24929352 DV |
15187 | crtc->active ? "enabled" : "disabled"); |
15188 | ||
4be40c98 | 15189 | WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, NULL) < 0); |
49d6fa21 | 15190 | crtc->base.state->active = crtc->active; |
24929352 DV |
15191 | crtc->base.enabled = crtc->active; |
15192 | ||
15193 | /* Because we only establish the connector -> encoder -> | |
15194 | * crtc links if something is active, this means the | |
15195 | * crtc is now deactivated. Break the links. connector | |
15196 | * -> encoder links are only establish when things are | |
15197 | * actually up, hence no need to break them. */ | |
15198 | WARN_ON(crtc->active); | |
15199 | ||
2d406bb0 | 15200 | for_each_encoder_on_crtc(dev, &crtc->base, encoder) |
24929352 | 15201 | encoder->base.crtc = NULL; |
24929352 | 15202 | } |
c5ab3bc0 | 15203 | |
a3ed6aad | 15204 | if (crtc->active || HAS_GMCH_DISPLAY(dev)) { |
4cc31489 DV |
15205 | /* |
15206 | * We start out with underrun reporting disabled to avoid races. | |
15207 | * For correct bookkeeping mark this on active crtcs. | |
15208 | * | |
c5ab3bc0 DV |
15209 | * Also on gmch platforms we dont have any hardware bits to |
15210 | * disable the underrun reporting. Which means we need to start | |
15211 | * out with underrun reporting disabled also on inactive pipes, | |
15212 | * since otherwise we'll complain about the garbage we read when | |
15213 | * e.g. coming up after runtime pm. | |
15214 | * | |
4cc31489 DV |
15215 | * No protection against concurrent access is required - at |
15216 | * worst a fifo underrun happens which also sets this to false. | |
15217 | */ | |
15218 | crtc->cpu_fifo_underrun_disabled = true; | |
15219 | crtc->pch_fifo_underrun_disabled = true; | |
15220 | } | |
24929352 DV |
15221 | } |
15222 | ||
15223 | static void intel_sanitize_encoder(struct intel_encoder *encoder) | |
15224 | { | |
15225 | struct intel_connector *connector; | |
15226 | struct drm_device *dev = encoder->base.dev; | |
873ffe69 | 15227 | bool active = false; |
24929352 DV |
15228 | |
15229 | /* We need to check both for a crtc link (meaning that the | |
15230 | * encoder is active and trying to read from a pipe) and the | |
15231 | * pipe itself being active. */ | |
15232 | bool has_active_crtc = encoder->base.crtc && | |
15233 | to_intel_crtc(encoder->base.crtc)->active; | |
15234 | ||
873ffe69 ML |
15235 | for_each_intel_connector(dev, connector) { |
15236 | if (connector->base.encoder != &encoder->base) | |
15237 | continue; | |
15238 | ||
15239 | active = true; | |
15240 | break; | |
15241 | } | |
15242 | ||
15243 | if (active && !has_active_crtc) { | |
24929352 DV |
15244 | DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n", |
15245 | encoder->base.base.id, | |
8e329a03 | 15246 | encoder->base.name); |
24929352 DV |
15247 | |
15248 | /* Connector is active, but has no active pipe. This is | |
15249 | * fallout from our resume register restoring. Disable | |
15250 | * the encoder manually again. */ | |
15251 | if (encoder->base.crtc) { | |
15252 | DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n", | |
15253 | encoder->base.base.id, | |
8e329a03 | 15254 | encoder->base.name); |
24929352 | 15255 | encoder->disable(encoder); |
a62d1497 VS |
15256 | if (encoder->post_disable) |
15257 | encoder->post_disable(encoder); | |
24929352 | 15258 | } |
7f1950fb | 15259 | encoder->base.crtc = NULL; |
24929352 DV |
15260 | |
15261 | /* Inconsistent output/port/pipe state happens presumably due to | |
15262 | * a bug in one of the get_hw_state functions. Or someplace else | |
15263 | * in our code, like the register restore mess on resume. Clamp | |
15264 | * things to off as a safer default. */ | |
3a3371ff | 15265 | for_each_intel_connector(dev, connector) { |
24929352 DV |
15266 | if (connector->encoder != encoder) |
15267 | continue; | |
7f1950fb EE |
15268 | connector->base.dpms = DRM_MODE_DPMS_OFF; |
15269 | connector->base.encoder = NULL; | |
24929352 DV |
15270 | } |
15271 | } | |
15272 | /* Enabled encoders without active connectors will be fixed in | |
15273 | * the crtc fixup. */ | |
15274 | } | |
15275 | ||
04098753 | 15276 | void i915_redisable_vga_power_on(struct drm_device *dev) |
0fde901f KM |
15277 | { |
15278 | struct drm_i915_private *dev_priv = dev->dev_private; | |
766aa1c4 | 15279 | u32 vga_reg = i915_vgacntrl_reg(dev); |
0fde901f | 15280 | |
04098753 ID |
15281 | if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) { |
15282 | DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); | |
15283 | i915_disable_vga(dev); | |
15284 | } | |
15285 | } | |
15286 | ||
15287 | void i915_redisable_vga(struct drm_device *dev) | |
15288 | { | |
15289 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15290 | ||
8dc8a27c PZ |
15291 | /* This function can be called both from intel_modeset_setup_hw_state or |
15292 | * at a very early point in our resume sequence, where the power well | |
15293 | * structures are not yet restored. Since this function is at a very | |
15294 | * paranoid "someone might have enabled VGA while we were not looking" | |
15295 | * level, just check if the power well is enabled instead of trying to | |
15296 | * follow the "don't touch the power well if we don't need it" policy | |
15297 | * the rest of the driver uses. */ | |
f458ebbc | 15298 | if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_VGA)) |
8dc8a27c PZ |
15299 | return; |
15300 | ||
04098753 | 15301 | i915_redisable_vga_power_on(dev); |
0fde901f KM |
15302 | } |
15303 | ||
f9cd7b88 | 15304 | static bool primary_get_hw_state(struct intel_plane *plane) |
98ec7739 | 15305 | { |
f9cd7b88 | 15306 | struct drm_i915_private *dev_priv = to_i915(plane->base.dev); |
98ec7739 | 15307 | |
f9cd7b88 | 15308 | return I915_READ(DSPCNTR(plane->plane)) & DISPLAY_PLANE_ENABLE; |
d032ffa0 ML |
15309 | } |
15310 | ||
f9cd7b88 VS |
15311 | /* FIXME read out full plane state for all planes */ |
15312 | static void readout_plane_state(struct intel_crtc *crtc) | |
d032ffa0 | 15313 | { |
b26d3ea3 | 15314 | struct drm_plane *primary = crtc->base.primary; |
f9cd7b88 | 15315 | struct intel_plane_state *plane_state = |
b26d3ea3 | 15316 | to_intel_plane_state(primary->state); |
d032ffa0 | 15317 | |
19b8d387 | 15318 | plane_state->visible = crtc->active && |
b26d3ea3 ML |
15319 | primary_get_hw_state(to_intel_plane(primary)); |
15320 | ||
15321 | if (plane_state->visible) | |
15322 | crtc->base.state->plane_mask |= 1 << drm_plane_index(primary); | |
98ec7739 VS |
15323 | } |
15324 | ||
30e984df | 15325 | static void intel_modeset_readout_hw_state(struct drm_device *dev) |
24929352 DV |
15326 | { |
15327 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15328 | enum pipe pipe; | |
24929352 DV |
15329 | struct intel_crtc *crtc; |
15330 | struct intel_encoder *encoder; | |
15331 | struct intel_connector *connector; | |
5358901f | 15332 | int i; |
24929352 | 15333 | |
d3fcc808 | 15334 | for_each_intel_crtc(dev, crtc) { |
b06f8b0d | 15335 | __drm_atomic_helper_crtc_destroy_state(&crtc->base, crtc->base.state); |
6e3c9717 | 15336 | memset(crtc->config, 0, sizeof(*crtc->config)); |
f7217905 | 15337 | crtc->config->base.crtc = &crtc->base; |
3b117c8f | 15338 | |
0e8ffe1b | 15339 | crtc->active = dev_priv->display.get_pipe_config(crtc, |
6e3c9717 | 15340 | crtc->config); |
24929352 | 15341 | |
49d6fa21 | 15342 | crtc->base.state->active = crtc->active; |
24929352 | 15343 | crtc->base.enabled = crtc->active; |
b70709a6 | 15344 | |
f9cd7b88 | 15345 | readout_plane_state(crtc); |
24929352 DV |
15346 | |
15347 | DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n", | |
15348 | crtc->base.base.id, | |
15349 | crtc->active ? "enabled" : "disabled"); | |
15350 | } | |
15351 | ||
5358901f DV |
15352 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
15353 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
15354 | ||
3e369b76 ACO |
15355 | pll->on = pll->get_hw_state(dev_priv, pll, |
15356 | &pll->config.hw_state); | |
5358901f | 15357 | pll->active = 0; |
3e369b76 | 15358 | pll->config.crtc_mask = 0; |
d3fcc808 | 15359 | for_each_intel_crtc(dev, crtc) { |
1e6f2ddc | 15360 | if (crtc->active && intel_crtc_to_shared_dpll(crtc) == pll) { |
5358901f | 15361 | pll->active++; |
3e369b76 | 15362 | pll->config.crtc_mask |= 1 << crtc->pipe; |
1e6f2ddc | 15363 | } |
5358901f | 15364 | } |
5358901f | 15365 | |
1e6f2ddc | 15366 | DRM_DEBUG_KMS("%s hw state readout: crtc_mask 0x%08x, on %i\n", |
3e369b76 | 15367 | pll->name, pll->config.crtc_mask, pll->on); |
bd2bb1b9 | 15368 | |
3e369b76 | 15369 | if (pll->config.crtc_mask) |
bd2bb1b9 | 15370 | intel_display_power_get(dev_priv, POWER_DOMAIN_PLLS); |
5358901f DV |
15371 | } |
15372 | ||
b2784e15 | 15373 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
15374 | pipe = 0; |
15375 | ||
15376 | if (encoder->get_hw_state(encoder, &pipe)) { | |
045ac3b5 JB |
15377 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
15378 | encoder->base.crtc = &crtc->base; | |
6e3c9717 | 15379 | encoder->get_config(encoder, crtc->config); |
24929352 DV |
15380 | } else { |
15381 | encoder->base.crtc = NULL; | |
15382 | } | |
15383 | ||
6f2bcceb | 15384 | DRM_DEBUG_KMS("[ENCODER:%d:%s] hw state readout: %s, pipe %c\n", |
24929352 | 15385 | encoder->base.base.id, |
8e329a03 | 15386 | encoder->base.name, |
24929352 | 15387 | encoder->base.crtc ? "enabled" : "disabled", |
6f2bcceb | 15388 | pipe_name(pipe)); |
24929352 DV |
15389 | } |
15390 | ||
3a3371ff | 15391 | for_each_intel_connector(dev, connector) { |
24929352 DV |
15392 | if (connector->get_hw_state(connector)) { |
15393 | connector->base.dpms = DRM_MODE_DPMS_ON; | |
24929352 DV |
15394 | connector->base.encoder = &connector->encoder->base; |
15395 | } else { | |
15396 | connector->base.dpms = DRM_MODE_DPMS_OFF; | |
15397 | connector->base.encoder = NULL; | |
15398 | } | |
15399 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s] hw state readout: %s\n", | |
15400 | connector->base.base.id, | |
c23cc417 | 15401 | connector->base.name, |
24929352 DV |
15402 | connector->base.encoder ? "enabled" : "disabled"); |
15403 | } | |
7f4c6284 VS |
15404 | |
15405 | for_each_intel_crtc(dev, crtc) { | |
15406 | crtc->base.hwmode = crtc->config->base.adjusted_mode; | |
15407 | ||
15408 | memset(&crtc->base.mode, 0, sizeof(crtc->base.mode)); | |
15409 | if (crtc->base.state->active) { | |
15410 | intel_mode_from_pipe_config(&crtc->base.mode, crtc->config); | |
15411 | intel_mode_from_pipe_config(&crtc->base.state->adjusted_mode, crtc->config); | |
15412 | WARN_ON(drm_atomic_set_mode_for_crtc(crtc->base.state, &crtc->base.mode)); | |
15413 | ||
15414 | /* | |
15415 | * The initial mode needs to be set in order to keep | |
15416 | * the atomic core happy. It wants a valid mode if the | |
15417 | * crtc's enabled, so we do the above call. | |
15418 | * | |
15419 | * At this point some state updated by the connectors | |
15420 | * in their ->detect() callback has not run yet, so | |
15421 | * no recalculation can be done yet. | |
15422 | * | |
15423 | * Even if we could do a recalculation and modeset | |
15424 | * right now it would cause a double modeset if | |
15425 | * fbdev or userspace chooses a different initial mode. | |
15426 | * | |
15427 | * If that happens, someone indicated they wanted a | |
15428 | * mode change, which means it's safe to do a full | |
15429 | * recalculation. | |
15430 | */ | |
15431 | crtc->base.state->mode.private_flags = I915_MODE_FLAG_INHERITED; | |
9eca6832 VS |
15432 | |
15433 | drm_calc_timestamping_constants(&crtc->base, &crtc->base.hwmode); | |
15434 | update_scanline_offset(crtc); | |
7f4c6284 VS |
15435 | } |
15436 | } | |
30e984df DV |
15437 | } |
15438 | ||
043e9bda ML |
15439 | /* Scan out the current hw modeset state, |
15440 | * and sanitizes it to the current state | |
15441 | */ | |
15442 | static void | |
15443 | intel_modeset_setup_hw_state(struct drm_device *dev) | |
30e984df DV |
15444 | { |
15445 | struct drm_i915_private *dev_priv = dev->dev_private; | |
15446 | enum pipe pipe; | |
30e984df DV |
15447 | struct intel_crtc *crtc; |
15448 | struct intel_encoder *encoder; | |
35c95375 | 15449 | int i; |
30e984df DV |
15450 | |
15451 | intel_modeset_readout_hw_state(dev); | |
24929352 DV |
15452 | |
15453 | /* HW state is read out, now we need to sanitize this mess. */ | |
b2784e15 | 15454 | for_each_intel_encoder(dev, encoder) { |
24929352 DV |
15455 | intel_sanitize_encoder(encoder); |
15456 | } | |
15457 | ||
055e393f | 15458 | for_each_pipe(dev_priv, pipe) { |
24929352 DV |
15459 | crtc = to_intel_crtc(dev_priv->pipe_to_crtc_mapping[pipe]); |
15460 | intel_sanitize_crtc(crtc); | |
6e3c9717 ACO |
15461 | intel_dump_pipe_config(crtc, crtc->config, |
15462 | "[setup_hw_state]"); | |
24929352 | 15463 | } |
9a935856 | 15464 | |
d29b2f9d ACO |
15465 | intel_modeset_update_connector_atomic_state(dev); |
15466 | ||
35c95375 DV |
15467 | for (i = 0; i < dev_priv->num_shared_dpll; i++) { |
15468 | struct intel_shared_dpll *pll = &dev_priv->shared_dplls[i]; | |
15469 | ||
15470 | if (!pll->on || pll->active) | |
15471 | continue; | |
15472 | ||
15473 | DRM_DEBUG_KMS("%s enabled but not in use, disabling\n", pll->name); | |
15474 | ||
15475 | pll->disable(dev_priv, pll); | |
15476 | pll->on = false; | |
15477 | } | |
15478 | ||
26e1fe4f | 15479 | if (IS_VALLEYVIEW(dev)) |
6eb1a681 VS |
15480 | vlv_wm_get_hw_state(dev); |
15481 | else if (IS_GEN9(dev)) | |
3078999f PB |
15482 | skl_wm_get_hw_state(dev); |
15483 | else if (HAS_PCH_SPLIT(dev)) | |
243e6a44 | 15484 | ilk_wm_get_hw_state(dev); |
292b990e ML |
15485 | |
15486 | for_each_intel_crtc(dev, crtc) { | |
15487 | unsigned long put_domains; | |
15488 | ||
15489 | put_domains = modeset_get_crtc_power_domains(&crtc->base); | |
15490 | if (WARN_ON(put_domains)) | |
15491 | modeset_put_power_domains(dev_priv, put_domains); | |
15492 | } | |
15493 | intel_display_set_init_power(dev_priv, false); | |
043e9bda | 15494 | } |
7d0bc1ea | 15495 | |
043e9bda ML |
15496 | void intel_display_resume(struct drm_device *dev) |
15497 | { | |
15498 | struct drm_atomic_state *state = drm_atomic_state_alloc(dev); | |
15499 | struct intel_connector *conn; | |
15500 | struct intel_plane *plane; | |
15501 | struct drm_crtc *crtc; | |
15502 | int ret; | |
f30da187 | 15503 | |
043e9bda ML |
15504 | if (!state) |
15505 | return; | |
15506 | ||
15507 | state->acquire_ctx = dev->mode_config.acquire_ctx; | |
15508 | ||
15509 | /* preserve complete old state, including dpll */ | |
15510 | intel_atomic_get_shared_dpll_state(state); | |
15511 | ||
15512 | for_each_crtc(dev, crtc) { | |
15513 | struct drm_crtc_state *crtc_state = | |
15514 | drm_atomic_get_crtc_state(state, crtc); | |
15515 | ||
15516 | ret = PTR_ERR_OR_ZERO(crtc_state); | |
15517 | if (ret) | |
15518 | goto err; | |
15519 | ||
15520 | /* force a restore */ | |
15521 | crtc_state->mode_changed = true; | |
45e2b5f6 | 15522 | } |
8af6cf88 | 15523 | |
043e9bda ML |
15524 | for_each_intel_plane(dev, plane) { |
15525 | ret = PTR_ERR_OR_ZERO(drm_atomic_get_plane_state(state, &plane->base)); | |
15526 | if (ret) | |
15527 | goto err; | |
15528 | } | |
15529 | ||
15530 | for_each_intel_connector(dev, conn) { | |
15531 | ret = PTR_ERR_OR_ZERO(drm_atomic_get_connector_state(state, &conn->base)); | |
15532 | if (ret) | |
15533 | goto err; | |
15534 | } | |
15535 | ||
15536 | intel_modeset_setup_hw_state(dev); | |
15537 | ||
15538 | i915_redisable_vga(dev); | |
74c090b1 | 15539 | ret = drm_atomic_commit(state); |
043e9bda ML |
15540 | if (!ret) |
15541 | return; | |
15542 | ||
15543 | err: | |
15544 | DRM_ERROR("Restoring old state failed with %i\n", ret); | |
15545 | drm_atomic_state_free(state); | |
2c7111db CW |
15546 | } |
15547 | ||
15548 | void intel_modeset_gem_init(struct drm_device *dev) | |
15549 | { | |
484b41dd | 15550 | struct drm_crtc *c; |
2ff8fde1 | 15551 | struct drm_i915_gem_object *obj; |
e0d6149b | 15552 | int ret; |
484b41dd | 15553 | |
ae48434c ID |
15554 | mutex_lock(&dev->struct_mutex); |
15555 | intel_init_gt_powersave(dev); | |
15556 | mutex_unlock(&dev->struct_mutex); | |
15557 | ||
1833b134 | 15558 | intel_modeset_init_hw(dev); |
02e792fb DV |
15559 | |
15560 | intel_setup_overlay(dev); | |
484b41dd JB |
15561 | |
15562 | /* | |
15563 | * Make sure any fbs we allocated at startup are properly | |
15564 | * pinned & fenced. When we do the allocation it's too early | |
15565 | * for this. | |
15566 | */ | |
70e1e0ec | 15567 | for_each_crtc(dev, c) { |
2ff8fde1 MR |
15568 | obj = intel_fb_obj(c->primary->fb); |
15569 | if (obj == NULL) | |
484b41dd JB |
15570 | continue; |
15571 | ||
e0d6149b TU |
15572 | mutex_lock(&dev->struct_mutex); |
15573 | ret = intel_pin_and_fence_fb_obj(c->primary, | |
15574 | c->primary->fb, | |
7580d774 | 15575 | c->primary->state); |
e0d6149b TU |
15576 | mutex_unlock(&dev->struct_mutex); |
15577 | if (ret) { | |
484b41dd JB |
15578 | DRM_ERROR("failed to pin boot fb on pipe %d\n", |
15579 | to_intel_crtc(c)->pipe); | |
66e514c1 DA |
15580 | drm_framebuffer_unreference(c->primary->fb); |
15581 | c->primary->fb = NULL; | |
36750f28 | 15582 | c->primary->crtc = c->primary->state->crtc = NULL; |
afd65eb4 | 15583 | update_state_fb(c->primary); |
36750f28 | 15584 | c->state->plane_mask &= ~(1 << drm_plane_index(c->primary)); |
484b41dd JB |
15585 | } |
15586 | } | |
0962c3c9 VS |
15587 | |
15588 | intel_backlight_register(dev); | |
79e53945 JB |
15589 | } |
15590 | ||
4932e2c3 ID |
15591 | void intel_connector_unregister(struct intel_connector *intel_connector) |
15592 | { | |
15593 | struct drm_connector *connector = &intel_connector->base; | |
15594 | ||
15595 | intel_panel_destroy_backlight(connector); | |
34ea3d38 | 15596 | drm_connector_unregister(connector); |
4932e2c3 ID |
15597 | } |
15598 | ||
79e53945 JB |
15599 | void intel_modeset_cleanup(struct drm_device *dev) |
15600 | { | |
652c393a | 15601 | struct drm_i915_private *dev_priv = dev->dev_private; |
d9255d57 | 15602 | struct drm_connector *connector; |
652c393a | 15603 | |
2eb5252e ID |
15604 | intel_disable_gt_powersave(dev); |
15605 | ||
0962c3c9 VS |
15606 | intel_backlight_unregister(dev); |
15607 | ||
fd0c0642 DV |
15608 | /* |
15609 | * Interrupts and polling as the first thing to avoid creating havoc. | |
2eb5252e | 15610 | * Too much stuff here (turning of connectors, ...) would |
fd0c0642 DV |
15611 | * experience fancy races otherwise. |
15612 | */ | |
2aeb7d3a | 15613 | intel_irq_uninstall(dev_priv); |
eb21b92b | 15614 | |
fd0c0642 DV |
15615 | /* |
15616 | * Due to the hpd irq storm handling the hotplug work can re-arm the | |
15617 | * poll handlers. Hence disable polling after hpd handling is shut down. | |
15618 | */ | |
f87ea761 | 15619 | drm_kms_helper_poll_fini(dev); |
fd0c0642 | 15620 | |
723bfd70 JB |
15621 | intel_unregister_dsm_handler(); |
15622 | ||
7733b49b | 15623 | intel_fbc_disable(dev_priv); |
69341a5e | 15624 | |
1630fe75 CW |
15625 | /* flush any delayed tasks or pending work */ |
15626 | flush_scheduled_work(); | |
15627 | ||
db31af1d JN |
15628 | /* destroy the backlight and sysfs files before encoders/connectors */ |
15629 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
4932e2c3 ID |
15630 | struct intel_connector *intel_connector; |
15631 | ||
15632 | intel_connector = to_intel_connector(connector); | |
15633 | intel_connector->unregister(intel_connector); | |
db31af1d | 15634 | } |
d9255d57 | 15635 | |
79e53945 | 15636 | drm_mode_config_cleanup(dev); |
4d7bb011 DV |
15637 | |
15638 | intel_cleanup_overlay(dev); | |
ae48434c ID |
15639 | |
15640 | mutex_lock(&dev->struct_mutex); | |
15641 | intel_cleanup_gt_powersave(dev); | |
15642 | mutex_unlock(&dev->struct_mutex); | |
79e53945 JB |
15643 | } |
15644 | ||
f1c79df3 ZW |
15645 | /* |
15646 | * Return which encoder is currently attached for connector. | |
15647 | */ | |
df0e9248 | 15648 | struct drm_encoder *intel_best_encoder(struct drm_connector *connector) |
79e53945 | 15649 | { |
df0e9248 CW |
15650 | return &intel_attached_encoder(connector)->base; |
15651 | } | |
f1c79df3 | 15652 | |
df0e9248 CW |
15653 | void intel_connector_attach_encoder(struct intel_connector *connector, |
15654 | struct intel_encoder *encoder) | |
15655 | { | |
15656 | connector->encoder = encoder; | |
15657 | drm_mode_connector_attach_encoder(&connector->base, | |
15658 | &encoder->base); | |
79e53945 | 15659 | } |
28d52043 DA |
15660 | |
15661 | /* | |
15662 | * set vga decode state - true == enable VGA decode | |
15663 | */ | |
15664 | int intel_modeset_vga_set_state(struct drm_device *dev, bool state) | |
15665 | { | |
15666 | struct drm_i915_private *dev_priv = dev->dev_private; | |
a885b3cc | 15667 | unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL; |
28d52043 DA |
15668 | u16 gmch_ctrl; |
15669 | ||
75fa041d CW |
15670 | if (pci_read_config_word(dev_priv->bridge_dev, reg, &gmch_ctrl)) { |
15671 | DRM_ERROR("failed to read control word\n"); | |
15672 | return -EIO; | |
15673 | } | |
15674 | ||
c0cc8a55 CW |
15675 | if (!!(gmch_ctrl & INTEL_GMCH_VGA_DISABLE) == !state) |
15676 | return 0; | |
15677 | ||
28d52043 DA |
15678 | if (state) |
15679 | gmch_ctrl &= ~INTEL_GMCH_VGA_DISABLE; | |
15680 | else | |
15681 | gmch_ctrl |= INTEL_GMCH_VGA_DISABLE; | |
75fa041d CW |
15682 | |
15683 | if (pci_write_config_word(dev_priv->bridge_dev, reg, gmch_ctrl)) { | |
15684 | DRM_ERROR("failed to write control word\n"); | |
15685 | return -EIO; | |
15686 | } | |
15687 | ||
28d52043 DA |
15688 | return 0; |
15689 | } | |
c4a1d9e4 | 15690 | |
c4a1d9e4 | 15691 | struct intel_display_error_state { |
ff57f1b0 PZ |
15692 | |
15693 | u32 power_well_driver; | |
15694 | ||
63b66e5b CW |
15695 | int num_transcoders; |
15696 | ||
c4a1d9e4 CW |
15697 | struct intel_cursor_error_state { |
15698 | u32 control; | |
15699 | u32 position; | |
15700 | u32 base; | |
15701 | u32 size; | |
52331309 | 15702 | } cursor[I915_MAX_PIPES]; |
c4a1d9e4 CW |
15703 | |
15704 | struct intel_pipe_error_state { | |
ddf9c536 | 15705 | bool power_domain_on; |
c4a1d9e4 | 15706 | u32 source; |
f301b1e1 | 15707 | u32 stat; |
52331309 | 15708 | } pipe[I915_MAX_PIPES]; |
c4a1d9e4 CW |
15709 | |
15710 | struct intel_plane_error_state { | |
15711 | u32 control; | |
15712 | u32 stride; | |
15713 | u32 size; | |
15714 | u32 pos; | |
15715 | u32 addr; | |
15716 | u32 surface; | |
15717 | u32 tile_offset; | |
52331309 | 15718 | } plane[I915_MAX_PIPES]; |
63b66e5b CW |
15719 | |
15720 | struct intel_transcoder_error_state { | |
ddf9c536 | 15721 | bool power_domain_on; |
63b66e5b CW |
15722 | enum transcoder cpu_transcoder; |
15723 | ||
15724 | u32 conf; | |
15725 | ||
15726 | u32 htotal; | |
15727 | u32 hblank; | |
15728 | u32 hsync; | |
15729 | u32 vtotal; | |
15730 | u32 vblank; | |
15731 | u32 vsync; | |
15732 | } transcoder[4]; | |
c4a1d9e4 CW |
15733 | }; |
15734 | ||
15735 | struct intel_display_error_state * | |
15736 | intel_display_capture_error_state(struct drm_device *dev) | |
15737 | { | |
fbee40df | 15738 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 | 15739 | struct intel_display_error_state *error; |
63b66e5b CW |
15740 | int transcoders[] = { |
15741 | TRANSCODER_A, | |
15742 | TRANSCODER_B, | |
15743 | TRANSCODER_C, | |
15744 | TRANSCODER_EDP, | |
15745 | }; | |
c4a1d9e4 CW |
15746 | int i; |
15747 | ||
63b66e5b CW |
15748 | if (INTEL_INFO(dev)->num_pipes == 0) |
15749 | return NULL; | |
15750 | ||
9d1cb914 | 15751 | error = kzalloc(sizeof(*error), GFP_ATOMIC); |
c4a1d9e4 CW |
15752 | if (error == NULL) |
15753 | return NULL; | |
15754 | ||
190be112 | 15755 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
ff57f1b0 PZ |
15756 | error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER); |
15757 | ||
055e393f | 15758 | for_each_pipe(dev_priv, i) { |
ddf9c536 | 15759 | error->pipe[i].power_domain_on = |
f458ebbc DV |
15760 | __intel_display_power_is_enabled(dev_priv, |
15761 | POWER_DOMAIN_PIPE(i)); | |
ddf9c536 | 15762 | if (!error->pipe[i].power_domain_on) |
9d1cb914 PZ |
15763 | continue; |
15764 | ||
5efb3e28 VS |
15765 | error->cursor[i].control = I915_READ(CURCNTR(i)); |
15766 | error->cursor[i].position = I915_READ(CURPOS(i)); | |
15767 | error->cursor[i].base = I915_READ(CURBASE(i)); | |
c4a1d9e4 CW |
15768 | |
15769 | error->plane[i].control = I915_READ(DSPCNTR(i)); | |
15770 | error->plane[i].stride = I915_READ(DSPSTRIDE(i)); | |
80ca378b | 15771 | if (INTEL_INFO(dev)->gen <= 3) { |
51889b35 | 15772 | error->plane[i].size = I915_READ(DSPSIZE(i)); |
80ca378b PZ |
15773 | error->plane[i].pos = I915_READ(DSPPOS(i)); |
15774 | } | |
ca291363 PZ |
15775 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
15776 | error->plane[i].addr = I915_READ(DSPADDR(i)); | |
c4a1d9e4 CW |
15777 | if (INTEL_INFO(dev)->gen >= 4) { |
15778 | error->plane[i].surface = I915_READ(DSPSURF(i)); | |
15779 | error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i)); | |
15780 | } | |
15781 | ||
c4a1d9e4 | 15782 | error->pipe[i].source = I915_READ(PIPESRC(i)); |
f301b1e1 | 15783 | |
3abfce77 | 15784 | if (HAS_GMCH_DISPLAY(dev)) |
f301b1e1 | 15785 | error->pipe[i].stat = I915_READ(PIPESTAT(i)); |
63b66e5b CW |
15786 | } |
15787 | ||
15788 | error->num_transcoders = INTEL_INFO(dev)->num_pipes; | |
15789 | if (HAS_DDI(dev_priv->dev)) | |
15790 | error->num_transcoders++; /* Account for eDP. */ | |
15791 | ||
15792 | for (i = 0; i < error->num_transcoders; i++) { | |
15793 | enum transcoder cpu_transcoder = transcoders[i]; | |
15794 | ||
ddf9c536 | 15795 | error->transcoder[i].power_domain_on = |
f458ebbc | 15796 | __intel_display_power_is_enabled(dev_priv, |
38cc1daf | 15797 | POWER_DOMAIN_TRANSCODER(cpu_transcoder)); |
ddf9c536 | 15798 | if (!error->transcoder[i].power_domain_on) |
9d1cb914 PZ |
15799 | continue; |
15800 | ||
63b66e5b CW |
15801 | error->transcoder[i].cpu_transcoder = cpu_transcoder; |
15802 | ||
15803 | error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder)); | |
15804 | error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder)); | |
15805 | error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder)); | |
15806 | error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder)); | |
15807 | error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder)); | |
15808 | error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder)); | |
15809 | error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder)); | |
c4a1d9e4 CW |
15810 | } |
15811 | ||
15812 | return error; | |
15813 | } | |
15814 | ||
edc3d884 MK |
15815 | #define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__) |
15816 | ||
c4a1d9e4 | 15817 | void |
edc3d884 | 15818 | intel_display_print_error_state(struct drm_i915_error_state_buf *m, |
c4a1d9e4 CW |
15819 | struct drm_device *dev, |
15820 | struct intel_display_error_state *error) | |
15821 | { | |
055e393f | 15822 | struct drm_i915_private *dev_priv = dev->dev_private; |
c4a1d9e4 CW |
15823 | int i; |
15824 | ||
63b66e5b CW |
15825 | if (!error) |
15826 | return; | |
15827 | ||
edc3d884 | 15828 | err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes); |
190be112 | 15829 | if (IS_HASWELL(dev) || IS_BROADWELL(dev)) |
edc3d884 | 15830 | err_printf(m, "PWR_WELL_CTL2: %08x\n", |
ff57f1b0 | 15831 | error->power_well_driver); |
055e393f | 15832 | for_each_pipe(dev_priv, i) { |
edc3d884 | 15833 | err_printf(m, "Pipe [%d]:\n", i); |
ddf9c536 ID |
15834 | err_printf(m, " Power: %s\n", |
15835 | error->pipe[i].power_domain_on ? "on" : "off"); | |
edc3d884 | 15836 | err_printf(m, " SRC: %08x\n", error->pipe[i].source); |
f301b1e1 | 15837 | err_printf(m, " STAT: %08x\n", error->pipe[i].stat); |
edc3d884 MK |
15838 | |
15839 | err_printf(m, "Plane [%d]:\n", i); | |
15840 | err_printf(m, " CNTR: %08x\n", error->plane[i].control); | |
15841 | err_printf(m, " STRIDE: %08x\n", error->plane[i].stride); | |
80ca378b | 15842 | if (INTEL_INFO(dev)->gen <= 3) { |
edc3d884 MK |
15843 | err_printf(m, " SIZE: %08x\n", error->plane[i].size); |
15844 | err_printf(m, " POS: %08x\n", error->plane[i].pos); | |
80ca378b | 15845 | } |
4b71a570 | 15846 | if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev)) |
edc3d884 | 15847 | err_printf(m, " ADDR: %08x\n", error->plane[i].addr); |
c4a1d9e4 | 15848 | if (INTEL_INFO(dev)->gen >= 4) { |
edc3d884 MK |
15849 | err_printf(m, " SURF: %08x\n", error->plane[i].surface); |
15850 | err_printf(m, " TILEOFF: %08x\n", error->plane[i].tile_offset); | |
c4a1d9e4 CW |
15851 | } |
15852 | ||
edc3d884 MK |
15853 | err_printf(m, "Cursor [%d]:\n", i); |
15854 | err_printf(m, " CNTR: %08x\n", error->cursor[i].control); | |
15855 | err_printf(m, " POS: %08x\n", error->cursor[i].position); | |
15856 | err_printf(m, " BASE: %08x\n", error->cursor[i].base); | |
c4a1d9e4 | 15857 | } |
63b66e5b CW |
15858 | |
15859 | for (i = 0; i < error->num_transcoders; i++) { | |
1cf84bb6 | 15860 | err_printf(m, "CPU transcoder: %c\n", |
63b66e5b | 15861 | transcoder_name(error->transcoder[i].cpu_transcoder)); |
ddf9c536 ID |
15862 | err_printf(m, " Power: %s\n", |
15863 | error->transcoder[i].power_domain_on ? "on" : "off"); | |
63b66e5b CW |
15864 | err_printf(m, " CONF: %08x\n", error->transcoder[i].conf); |
15865 | err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal); | |
15866 | err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank); | |
15867 | err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync); | |
15868 | err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal); | |
15869 | err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank); | |
15870 | err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync); | |
15871 | } | |
c4a1d9e4 | 15872 | } |
e2fcdaa9 VS |
15873 | |
15874 | void intel_modeset_preclose(struct drm_device *dev, struct drm_file *file) | |
15875 | { | |
15876 | struct intel_crtc *crtc; | |
15877 | ||
15878 | for_each_intel_crtc(dev, crtc) { | |
15879 | struct intel_unpin_work *work; | |
e2fcdaa9 | 15880 | |
5e2d7afc | 15881 | spin_lock_irq(&dev->event_lock); |
e2fcdaa9 VS |
15882 | |
15883 | work = crtc->unpin_work; | |
15884 | ||
15885 | if (work && work->event && | |
15886 | work->event->base.file_priv == file) { | |
15887 | kfree(work->event); | |
15888 | work->event = NULL; | |
15889 | } | |
15890 | ||
5e2d7afc | 15891 | spin_unlock_irq(&dev->event_lock); |
e2fcdaa9 VS |
15892 | } |
15893 | } |