Commit | Line | Data |
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7d57382e EA |
1 | /* |
2 | * Copyright 2006 Dave Airlie <airlied@linux.ie> | |
3 | * Copyright © 2006-2009 Intel Corporation | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice (including the next | |
13 | * paragraph) shall be included in all copies or substantial portions of the | |
14 | * Software. | |
15 | * | |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
22 | * DEALINGS IN THE SOFTWARE. | |
23 | * | |
24 | * Authors: | |
25 | * Eric Anholt <eric@anholt.net> | |
26 | * Jesse Barnes <jesse.barnes@intel.com> | |
27 | */ | |
28 | ||
29 | #include <linux/i2c.h> | |
5a0e3ad6 | 30 | #include <linux/slab.h> |
7d57382e | 31 | #include <linux/delay.h> |
178f736a | 32 | #include <linux/hdmi.h> |
760285e7 | 33 | #include <drm/drmP.h> |
c6f95f27 | 34 | #include <drm/drm_atomic_helper.h> |
760285e7 DH |
35 | #include <drm/drm_crtc.h> |
36 | #include <drm/drm_edid.h> | |
15953637 | 37 | #include <drm/drm_scdc_helper.h> |
7d57382e | 38 | #include "intel_drv.h" |
760285e7 | 39 | #include <drm/i915_drm.h> |
46d196ec | 40 | #include <drm/intel_lpe_audio.h> |
7d57382e EA |
41 | #include "i915_drv.h" |
42 | ||
30add22d PZ |
43 | static struct drm_device *intel_hdmi_to_dev(struct intel_hdmi *intel_hdmi) |
44 | { | |
da63a9f2 | 45 | return hdmi_to_dig_port(intel_hdmi)->base.base.dev; |
30add22d PZ |
46 | } |
47 | ||
afba0188 DV |
48 | static void |
49 | assert_hdmi_port_disabled(struct intel_hdmi *intel_hdmi) | |
50 | { | |
30add22d | 51 | struct drm_device *dev = intel_hdmi_to_dev(intel_hdmi); |
fac5e23e | 52 | struct drm_i915_private *dev_priv = to_i915(dev); |
afba0188 DV |
53 | uint32_t enabled_bits; |
54 | ||
4f8036a2 | 55 | enabled_bits = HAS_DDI(dev_priv) ? DDI_BUF_CTL_ENABLE : SDVO_ENABLE; |
afba0188 | 56 | |
b242b7f7 | 57 | WARN(I915_READ(intel_hdmi->hdmi_reg) & enabled_bits, |
afba0188 DV |
58 | "HDMI port enabled, expecting disabled\n"); |
59 | } | |
60 | ||
f5bbfca3 | 61 | struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder) |
ea5b213a | 62 | { |
da63a9f2 PZ |
63 | struct intel_digital_port *intel_dig_port = |
64 | container_of(encoder, struct intel_digital_port, base.base); | |
65 | return &intel_dig_port->hdmi; | |
ea5b213a CW |
66 | } |
67 | ||
df0e9248 CW |
68 | static struct intel_hdmi *intel_attached_hdmi(struct drm_connector *connector) |
69 | { | |
da63a9f2 | 70 | return enc_to_intel_hdmi(&intel_attached_encoder(connector)->base); |
df0e9248 CW |
71 | } |
72 | ||
1d776538 | 73 | static u32 g4x_infoframe_index(unsigned int type) |
3c17fe4b | 74 | { |
178f736a DL |
75 | switch (type) { |
76 | case HDMI_INFOFRAME_TYPE_AVI: | |
ed517fbb | 77 | return VIDEO_DIP_SELECT_AVI; |
178f736a | 78 | case HDMI_INFOFRAME_TYPE_SPD: |
ed517fbb | 79 | return VIDEO_DIP_SELECT_SPD; |
c8bb75af LD |
80 | case HDMI_INFOFRAME_TYPE_VENDOR: |
81 | return VIDEO_DIP_SELECT_VENDOR; | |
45187ace | 82 | default: |
ffc85dab | 83 | MISSING_CASE(type); |
ed517fbb | 84 | return 0; |
45187ace | 85 | } |
45187ace JB |
86 | } |
87 | ||
1d776538 | 88 | static u32 g4x_infoframe_enable(unsigned int type) |
45187ace | 89 | { |
178f736a DL |
90 | switch (type) { |
91 | case HDMI_INFOFRAME_TYPE_AVI: | |
ed517fbb | 92 | return VIDEO_DIP_ENABLE_AVI; |
178f736a | 93 | case HDMI_INFOFRAME_TYPE_SPD: |
ed517fbb | 94 | return VIDEO_DIP_ENABLE_SPD; |
c8bb75af LD |
95 | case HDMI_INFOFRAME_TYPE_VENDOR: |
96 | return VIDEO_DIP_ENABLE_VENDOR; | |
fa193ff7 | 97 | default: |
ffc85dab | 98 | MISSING_CASE(type); |
ed517fbb | 99 | return 0; |
fa193ff7 | 100 | } |
fa193ff7 PZ |
101 | } |
102 | ||
1d776538 | 103 | static u32 hsw_infoframe_enable(unsigned int type) |
2da8af54 | 104 | { |
178f736a | 105 | switch (type) { |
1d776538 VS |
106 | case DP_SDP_VSC: |
107 | return VIDEO_DIP_ENABLE_VSC_HSW; | |
178f736a | 108 | case HDMI_INFOFRAME_TYPE_AVI: |
2da8af54 | 109 | return VIDEO_DIP_ENABLE_AVI_HSW; |
178f736a | 110 | case HDMI_INFOFRAME_TYPE_SPD: |
2da8af54 | 111 | return VIDEO_DIP_ENABLE_SPD_HSW; |
c8bb75af LD |
112 | case HDMI_INFOFRAME_TYPE_VENDOR: |
113 | return VIDEO_DIP_ENABLE_VS_HSW; | |
2da8af54 | 114 | default: |
ffc85dab | 115 | MISSING_CASE(type); |
2da8af54 PZ |
116 | return 0; |
117 | } | |
118 | } | |
119 | ||
f0f59a00 VS |
120 | static i915_reg_t |
121 | hsw_dip_data_reg(struct drm_i915_private *dev_priv, | |
122 | enum transcoder cpu_transcoder, | |
1d776538 | 123 | unsigned int type, |
f0f59a00 | 124 | int i) |
2da8af54 | 125 | { |
178f736a | 126 | switch (type) { |
1d776538 VS |
127 | case DP_SDP_VSC: |
128 | return HSW_TVIDEO_DIP_VSC_DATA(cpu_transcoder, i); | |
178f736a | 129 | case HDMI_INFOFRAME_TYPE_AVI: |
436c6d4a | 130 | return HSW_TVIDEO_DIP_AVI_DATA(cpu_transcoder, i); |
178f736a | 131 | case HDMI_INFOFRAME_TYPE_SPD: |
436c6d4a | 132 | return HSW_TVIDEO_DIP_SPD_DATA(cpu_transcoder, i); |
c8bb75af | 133 | case HDMI_INFOFRAME_TYPE_VENDOR: |
436c6d4a | 134 | return HSW_TVIDEO_DIP_VS_DATA(cpu_transcoder, i); |
2da8af54 | 135 | default: |
ffc85dab | 136 | MISSING_CASE(type); |
f0f59a00 | 137 | return INVALID_MMIO_REG; |
2da8af54 PZ |
138 | } |
139 | } | |
140 | ||
a3da1df7 | 141 | static void g4x_write_infoframe(struct drm_encoder *encoder, |
ac240288 | 142 | const struct intel_crtc_state *crtc_state, |
1d776538 | 143 | unsigned int type, |
fff63867 | 144 | const void *frame, ssize_t len) |
45187ace | 145 | { |
fff63867 | 146 | const uint32_t *data = frame; |
3c17fe4b | 147 | struct drm_device *dev = encoder->dev; |
fac5e23e | 148 | struct drm_i915_private *dev_priv = to_i915(dev); |
22509ec8 | 149 | u32 val = I915_READ(VIDEO_DIP_CTL); |
178f736a | 150 | int i; |
3c17fe4b | 151 | |
822974ae PZ |
152 | WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); |
153 | ||
1d4f85ac | 154 | val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ |
178f736a | 155 | val |= g4x_infoframe_index(type); |
22509ec8 | 156 | |
178f736a | 157 | val &= ~g4x_infoframe_enable(type); |
45187ace | 158 | |
22509ec8 | 159 | I915_WRITE(VIDEO_DIP_CTL, val); |
3c17fe4b | 160 | |
9d9740f0 | 161 | mmiowb(); |
45187ace | 162 | for (i = 0; i < len; i += 4) { |
3c17fe4b DH |
163 | I915_WRITE(VIDEO_DIP_DATA, *data); |
164 | data++; | |
165 | } | |
adf00b26 PZ |
166 | /* Write every possible data byte to force correct ECC calculation. */ |
167 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
168 | I915_WRITE(VIDEO_DIP_DATA, 0); | |
9d9740f0 | 169 | mmiowb(); |
3c17fe4b | 170 | |
178f736a | 171 | val |= g4x_infoframe_enable(type); |
60c5ea2d | 172 | val &= ~VIDEO_DIP_FREQ_MASK; |
4b24c933 | 173 | val |= VIDEO_DIP_FREQ_VSYNC; |
45187ace | 174 | |
22509ec8 | 175 | I915_WRITE(VIDEO_DIP_CTL, val); |
9d9740f0 | 176 | POSTING_READ(VIDEO_DIP_CTL); |
3c17fe4b DH |
177 | } |
178 | ||
cda0aaaf VS |
179 | static bool g4x_infoframe_enabled(struct drm_encoder *encoder, |
180 | const struct intel_crtc_state *pipe_config) | |
e43823ec | 181 | { |
cda0aaaf | 182 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
89a35ecd | 183 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
e43823ec JB |
184 | u32 val = I915_READ(VIDEO_DIP_CTL); |
185 | ||
ec1dc603 VS |
186 | if ((val & VIDEO_DIP_ENABLE) == 0) |
187 | return false; | |
89a35ecd | 188 | |
8f4f2797 | 189 | if ((val & VIDEO_DIP_PORT_MASK) != VIDEO_DIP_PORT(intel_dig_port->base.port)) |
ec1dc603 VS |
190 | return false; |
191 | ||
192 | return val & (VIDEO_DIP_ENABLE_AVI | | |
193 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_SPD); | |
e43823ec JB |
194 | } |
195 | ||
fdf1250a | 196 | static void ibx_write_infoframe(struct drm_encoder *encoder, |
ac240288 | 197 | const struct intel_crtc_state *crtc_state, |
1d776538 | 198 | unsigned int type, |
fff63867 | 199 | const void *frame, ssize_t len) |
fdf1250a | 200 | { |
fff63867 | 201 | const uint32_t *data = frame; |
fdf1250a | 202 | struct drm_device *dev = encoder->dev; |
fac5e23e | 203 | struct drm_i915_private *dev_priv = to_i915(dev); |
ac240288 | 204 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
f0f59a00 | 205 | i915_reg_t reg = TVIDEO_DIP_CTL(intel_crtc->pipe); |
fdf1250a | 206 | u32 val = I915_READ(reg); |
f0f59a00 | 207 | int i; |
fdf1250a | 208 | |
822974ae PZ |
209 | WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); |
210 | ||
fdf1250a | 211 | val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ |
178f736a | 212 | val |= g4x_infoframe_index(type); |
fdf1250a | 213 | |
178f736a | 214 | val &= ~g4x_infoframe_enable(type); |
fdf1250a PZ |
215 | |
216 | I915_WRITE(reg, val); | |
217 | ||
9d9740f0 | 218 | mmiowb(); |
fdf1250a PZ |
219 | for (i = 0; i < len; i += 4) { |
220 | I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); | |
221 | data++; | |
222 | } | |
adf00b26 PZ |
223 | /* Write every possible data byte to force correct ECC calculation. */ |
224 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
225 | I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); | |
9d9740f0 | 226 | mmiowb(); |
fdf1250a | 227 | |
178f736a | 228 | val |= g4x_infoframe_enable(type); |
fdf1250a | 229 | val &= ~VIDEO_DIP_FREQ_MASK; |
4b24c933 | 230 | val |= VIDEO_DIP_FREQ_VSYNC; |
fdf1250a PZ |
231 | |
232 | I915_WRITE(reg, val); | |
9d9740f0 | 233 | POSTING_READ(reg); |
fdf1250a PZ |
234 | } |
235 | ||
cda0aaaf VS |
236 | static bool ibx_infoframe_enabled(struct drm_encoder *encoder, |
237 | const struct intel_crtc_state *pipe_config) | |
e43823ec | 238 | { |
cda0aaaf | 239 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
052f62f7 | 240 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
cda0aaaf VS |
241 | enum pipe pipe = to_intel_crtc(pipe_config->base.crtc)->pipe; |
242 | i915_reg_t reg = TVIDEO_DIP_CTL(pipe); | |
e43823ec JB |
243 | u32 val = I915_READ(reg); |
244 | ||
ec1dc603 VS |
245 | if ((val & VIDEO_DIP_ENABLE) == 0) |
246 | return false; | |
247 | ||
8f4f2797 | 248 | if ((val & VIDEO_DIP_PORT_MASK) != VIDEO_DIP_PORT(intel_dig_port->base.port)) |
ec1dc603 | 249 | return false; |
052f62f7 | 250 | |
ec1dc603 VS |
251 | return val & (VIDEO_DIP_ENABLE_AVI | |
252 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
253 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
e43823ec JB |
254 | } |
255 | ||
fdf1250a | 256 | static void cpt_write_infoframe(struct drm_encoder *encoder, |
ac240288 | 257 | const struct intel_crtc_state *crtc_state, |
1d776538 | 258 | unsigned int type, |
fff63867 | 259 | const void *frame, ssize_t len) |
b055c8f3 | 260 | { |
fff63867 | 261 | const uint32_t *data = frame; |
b055c8f3 | 262 | struct drm_device *dev = encoder->dev; |
fac5e23e | 263 | struct drm_i915_private *dev_priv = to_i915(dev); |
ac240288 | 264 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
f0f59a00 | 265 | i915_reg_t reg = TVIDEO_DIP_CTL(intel_crtc->pipe); |
22509ec8 | 266 | u32 val = I915_READ(reg); |
f0f59a00 | 267 | int i; |
b055c8f3 | 268 | |
822974ae PZ |
269 | WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); |
270 | ||
64a8fc01 | 271 | val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ |
178f736a | 272 | val |= g4x_infoframe_index(type); |
45187ace | 273 | |
ecb97851 PZ |
274 | /* The DIP control register spec says that we need to update the AVI |
275 | * infoframe without clearing its enable bit */ | |
178f736a DL |
276 | if (type != HDMI_INFOFRAME_TYPE_AVI) |
277 | val &= ~g4x_infoframe_enable(type); | |
ecb97851 | 278 | |
22509ec8 | 279 | I915_WRITE(reg, val); |
45187ace | 280 | |
9d9740f0 | 281 | mmiowb(); |
45187ace | 282 | for (i = 0; i < len; i += 4) { |
b055c8f3 JB |
283 | I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); |
284 | data++; | |
285 | } | |
adf00b26 PZ |
286 | /* Write every possible data byte to force correct ECC calculation. */ |
287 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
288 | I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); | |
9d9740f0 | 289 | mmiowb(); |
b055c8f3 | 290 | |
178f736a | 291 | val |= g4x_infoframe_enable(type); |
60c5ea2d | 292 | val &= ~VIDEO_DIP_FREQ_MASK; |
4b24c933 | 293 | val |= VIDEO_DIP_FREQ_VSYNC; |
45187ace | 294 | |
22509ec8 | 295 | I915_WRITE(reg, val); |
9d9740f0 | 296 | POSTING_READ(reg); |
45187ace | 297 | } |
90b107c8 | 298 | |
cda0aaaf VS |
299 | static bool cpt_infoframe_enabled(struct drm_encoder *encoder, |
300 | const struct intel_crtc_state *pipe_config) | |
e43823ec | 301 | { |
cda0aaaf VS |
302 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
303 | enum pipe pipe = to_intel_crtc(pipe_config->base.crtc)->pipe; | |
304 | u32 val = I915_READ(TVIDEO_DIP_CTL(pipe)); | |
e43823ec | 305 | |
ec1dc603 VS |
306 | if ((val & VIDEO_DIP_ENABLE) == 0) |
307 | return false; | |
308 | ||
309 | return val & (VIDEO_DIP_ENABLE_AVI | | |
310 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
311 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
e43823ec JB |
312 | } |
313 | ||
90b107c8 | 314 | static void vlv_write_infoframe(struct drm_encoder *encoder, |
ac240288 | 315 | const struct intel_crtc_state *crtc_state, |
1d776538 | 316 | unsigned int type, |
fff63867 | 317 | const void *frame, ssize_t len) |
90b107c8 | 318 | { |
fff63867 | 319 | const uint32_t *data = frame; |
90b107c8 | 320 | struct drm_device *dev = encoder->dev; |
fac5e23e | 321 | struct drm_i915_private *dev_priv = to_i915(dev); |
ac240288 | 322 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
f0f59a00 | 323 | i915_reg_t reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe); |
22509ec8 | 324 | u32 val = I915_READ(reg); |
f0f59a00 | 325 | int i; |
90b107c8 | 326 | |
822974ae PZ |
327 | WARN(!(val & VIDEO_DIP_ENABLE), "Writing DIP with CTL reg disabled\n"); |
328 | ||
90b107c8 | 329 | val &= ~(VIDEO_DIP_SELECT_MASK | 0xf); /* clear DIP data offset */ |
178f736a | 330 | val |= g4x_infoframe_index(type); |
22509ec8 | 331 | |
178f736a | 332 | val &= ~g4x_infoframe_enable(type); |
90b107c8 | 333 | |
22509ec8 | 334 | I915_WRITE(reg, val); |
90b107c8 | 335 | |
9d9740f0 | 336 | mmiowb(); |
90b107c8 SK |
337 | for (i = 0; i < len; i += 4) { |
338 | I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), *data); | |
339 | data++; | |
340 | } | |
adf00b26 PZ |
341 | /* Write every possible data byte to force correct ECC calculation. */ |
342 | for (; i < VIDEO_DIP_DATA_SIZE; i += 4) | |
343 | I915_WRITE(VLV_TVIDEO_DIP_DATA(intel_crtc->pipe), 0); | |
9d9740f0 | 344 | mmiowb(); |
90b107c8 | 345 | |
178f736a | 346 | val |= g4x_infoframe_enable(type); |
60c5ea2d | 347 | val &= ~VIDEO_DIP_FREQ_MASK; |
4b24c933 | 348 | val |= VIDEO_DIP_FREQ_VSYNC; |
90b107c8 | 349 | |
22509ec8 | 350 | I915_WRITE(reg, val); |
9d9740f0 | 351 | POSTING_READ(reg); |
90b107c8 SK |
352 | } |
353 | ||
cda0aaaf VS |
354 | static bool vlv_infoframe_enabled(struct drm_encoder *encoder, |
355 | const struct intel_crtc_state *pipe_config) | |
e43823ec | 356 | { |
cda0aaaf | 357 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
535afa2e | 358 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
cda0aaaf VS |
359 | enum pipe pipe = to_intel_crtc(pipe_config->base.crtc)->pipe; |
360 | u32 val = I915_READ(VLV_TVIDEO_DIP_CTL(pipe)); | |
e43823ec | 361 | |
ec1dc603 VS |
362 | if ((val & VIDEO_DIP_ENABLE) == 0) |
363 | return false; | |
364 | ||
8f4f2797 | 365 | if ((val & VIDEO_DIP_PORT_MASK) != VIDEO_DIP_PORT(intel_dig_port->base.port)) |
ec1dc603 | 366 | return false; |
535afa2e | 367 | |
ec1dc603 VS |
368 | return val & (VIDEO_DIP_ENABLE_AVI | |
369 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
370 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
e43823ec JB |
371 | } |
372 | ||
8c5f5f7c | 373 | static void hsw_write_infoframe(struct drm_encoder *encoder, |
ac240288 | 374 | const struct intel_crtc_state *crtc_state, |
1d776538 | 375 | unsigned int type, |
fff63867 | 376 | const void *frame, ssize_t len) |
8c5f5f7c | 377 | { |
fff63867 | 378 | const uint32_t *data = frame; |
2da8af54 | 379 | struct drm_device *dev = encoder->dev; |
fac5e23e | 380 | struct drm_i915_private *dev_priv = to_i915(dev); |
ac240288 | 381 | enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; |
f0f59a00 VS |
382 | i915_reg_t ctl_reg = HSW_TVIDEO_DIP_CTL(cpu_transcoder); |
383 | i915_reg_t data_reg; | |
1d776538 VS |
384 | int data_size = type == DP_SDP_VSC ? |
385 | VIDEO_DIP_VSC_DATA_SIZE : VIDEO_DIP_DATA_SIZE; | |
178f736a | 386 | int i; |
2da8af54 | 387 | u32 val = I915_READ(ctl_reg); |
8c5f5f7c | 388 | |
436c6d4a | 389 | data_reg = hsw_dip_data_reg(dev_priv, cpu_transcoder, type, 0); |
2da8af54 | 390 | |
178f736a | 391 | val &= ~hsw_infoframe_enable(type); |
2da8af54 PZ |
392 | I915_WRITE(ctl_reg, val); |
393 | ||
9d9740f0 | 394 | mmiowb(); |
2da8af54 | 395 | for (i = 0; i < len; i += 4) { |
436c6d4a VS |
396 | I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder, |
397 | type, i >> 2), *data); | |
2da8af54 PZ |
398 | data++; |
399 | } | |
adf00b26 | 400 | /* Write every possible data byte to force correct ECC calculation. */ |
1d776538 | 401 | for (; i < data_size; i += 4) |
436c6d4a VS |
402 | I915_WRITE(hsw_dip_data_reg(dev_priv, cpu_transcoder, |
403 | type, i >> 2), 0); | |
9d9740f0 | 404 | mmiowb(); |
8c5f5f7c | 405 | |
178f736a | 406 | val |= hsw_infoframe_enable(type); |
2da8af54 | 407 | I915_WRITE(ctl_reg, val); |
9d9740f0 | 408 | POSTING_READ(ctl_reg); |
8c5f5f7c ED |
409 | } |
410 | ||
cda0aaaf VS |
411 | static bool hsw_infoframe_enabled(struct drm_encoder *encoder, |
412 | const struct intel_crtc_state *pipe_config) | |
e43823ec | 413 | { |
cda0aaaf VS |
414 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
415 | u32 val = I915_READ(HSW_TVIDEO_DIP_CTL(pipe_config->cpu_transcoder)); | |
e43823ec | 416 | |
ec1dc603 VS |
417 | return val & (VIDEO_DIP_ENABLE_VSC_HSW | VIDEO_DIP_ENABLE_AVI_HSW | |
418 | VIDEO_DIP_ENABLE_GCP_HSW | VIDEO_DIP_ENABLE_VS_HSW | | |
419 | VIDEO_DIP_ENABLE_GMP_HSW | VIDEO_DIP_ENABLE_SPD_HSW); | |
e43823ec JB |
420 | } |
421 | ||
5adaea79 DL |
422 | /* |
423 | * The data we write to the DIP data buffer registers is 1 byte bigger than the | |
424 | * HDMI infoframe size because of an ECC/reserved byte at position 3 (starting | |
425 | * at 0). It's also a byte used by DisplayPort so the same DIP registers can be | |
426 | * used for both technologies. | |
427 | * | |
428 | * DW0: Reserved/ECC/DP | HB2 | HB1 | HB0 | |
429 | * DW1: DB3 | DB2 | DB1 | DB0 | |
430 | * DW2: DB7 | DB6 | DB5 | DB4 | |
431 | * DW3: ... | |
432 | * | |
433 | * (HB is Header Byte, DB is Data Byte) | |
434 | * | |
435 | * The hdmi pack() functions don't know about that hardware specific hole so we | |
436 | * trick them by giving an offset into the buffer and moving back the header | |
437 | * bytes by one. | |
438 | */ | |
9198ee5b | 439 | static void intel_write_infoframe(struct drm_encoder *encoder, |
ac240288 | 440 | const struct intel_crtc_state *crtc_state, |
9198ee5b | 441 | union hdmi_infoframe *frame) |
45187ace | 442 | { |
f99be1b3 | 443 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
5adaea79 DL |
444 | uint8_t buffer[VIDEO_DIP_DATA_SIZE]; |
445 | ssize_t len; | |
45187ace | 446 | |
5adaea79 DL |
447 | /* see comment above for the reason for this offset */ |
448 | len = hdmi_infoframe_pack(frame, buffer + 1, sizeof(buffer) - 1); | |
449 | if (len < 0) | |
450 | return; | |
451 | ||
452 | /* Insert the 'hole' (see big comment above) at position 3 */ | |
453 | buffer[0] = buffer[1]; | |
454 | buffer[1] = buffer[2]; | |
455 | buffer[2] = buffer[3]; | |
456 | buffer[3] = 0; | |
457 | len++; | |
45187ace | 458 | |
f99be1b3 | 459 | intel_dig_port->write_infoframe(encoder, crtc_state, frame->any.type, buffer, len); |
45187ace JB |
460 | } |
461 | ||
687f4d06 | 462 | static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder, |
ac240288 | 463 | const struct intel_crtc_state *crtc_state) |
45187ace | 464 | { |
abedc077 | 465 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); |
779c4c28 VS |
466 | const struct drm_display_mode *adjusted_mode = |
467 | &crtc_state->base.adjusted_mode; | |
0c1f528c SS |
468 | struct drm_connector *connector = &intel_hdmi->attached_connector->base; |
469 | bool is_hdmi2_sink = connector->display_info.hdmi.scdc.supported; | |
5adaea79 DL |
470 | union hdmi_infoframe frame; |
471 | int ret; | |
45187ace | 472 | |
5adaea79 | 473 | ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, |
0c1f528c SS |
474 | adjusted_mode, |
475 | is_hdmi2_sink); | |
5adaea79 DL |
476 | if (ret < 0) { |
477 | DRM_ERROR("couldn't fill AVI infoframe\n"); | |
478 | return; | |
479 | } | |
c846b619 | 480 | |
2d8bd2bf SS |
481 | if (crtc_state->ycbcr420) |
482 | frame.avi.colorspace = HDMI_COLORSPACE_YUV420; | |
483 | else | |
484 | frame.avi.colorspace = HDMI_COLORSPACE_RGB; | |
485 | ||
779c4c28 | 486 | drm_hdmi_avi_infoframe_quant_range(&frame.avi, adjusted_mode, |
a2ce26f8 VS |
487 | crtc_state->limited_color_range ? |
488 | HDMI_QUANTIZATION_RANGE_LIMITED : | |
489 | HDMI_QUANTIZATION_RANGE_FULL, | |
9271c0ca VS |
490 | intel_hdmi->rgb_quant_range_selectable, |
491 | is_hdmi2_sink); | |
abedc077 | 492 | |
2d8bd2bf | 493 | /* TODO: handle pixel repetition for YCBCR420 outputs */ |
ac240288 | 494 | intel_write_infoframe(encoder, crtc_state, &frame); |
b055c8f3 JB |
495 | } |
496 | ||
ac240288 ML |
497 | static void intel_hdmi_set_spd_infoframe(struct drm_encoder *encoder, |
498 | const struct intel_crtc_state *crtc_state) | |
c0864cb3 | 499 | { |
5adaea79 DL |
500 | union hdmi_infoframe frame; |
501 | int ret; | |
502 | ||
503 | ret = hdmi_spd_infoframe_init(&frame.spd, "Intel", "Integrated gfx"); | |
504 | if (ret < 0) { | |
505 | DRM_ERROR("couldn't fill SPD infoframe\n"); | |
506 | return; | |
507 | } | |
c0864cb3 | 508 | |
5adaea79 | 509 | frame.spd.sdi = HDMI_SPD_SDI_PC; |
c0864cb3 | 510 | |
ac240288 | 511 | intel_write_infoframe(encoder, crtc_state, &frame); |
c0864cb3 JB |
512 | } |
513 | ||
c8bb75af LD |
514 | static void |
515 | intel_hdmi_set_hdmi_infoframe(struct drm_encoder *encoder, | |
f1781e9b VS |
516 | const struct intel_crtc_state *crtc_state, |
517 | const struct drm_connector_state *conn_state) | |
c8bb75af LD |
518 | { |
519 | union hdmi_infoframe frame; | |
520 | int ret; | |
521 | ||
522 | ret = drm_hdmi_vendor_infoframe_from_display_mode(&frame.vendor.hdmi, | |
f1781e9b | 523 | conn_state->connector, |
ac240288 | 524 | &crtc_state->base.adjusted_mode); |
c8bb75af LD |
525 | if (ret < 0) |
526 | return; | |
527 | ||
ac240288 | 528 | intel_write_infoframe(encoder, crtc_state, &frame); |
c8bb75af LD |
529 | } |
530 | ||
687f4d06 | 531 | static void g4x_set_infoframes(struct drm_encoder *encoder, |
6897b4b5 | 532 | bool enable, |
ac240288 ML |
533 | const struct intel_crtc_state *crtc_state, |
534 | const struct drm_connector_state *conn_state) | |
687f4d06 | 535 | { |
fac5e23e | 536 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
69fde0a6 VS |
537 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
538 | struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; | |
f0f59a00 | 539 | i915_reg_t reg = VIDEO_DIP_CTL; |
0c14c7f9 | 540 | u32 val = I915_READ(reg); |
8f4f2797 | 541 | u32 port = VIDEO_DIP_PORT(intel_dig_port->base.port); |
0c14c7f9 | 542 | |
afba0188 DV |
543 | assert_hdmi_port_disabled(intel_hdmi); |
544 | ||
0c14c7f9 PZ |
545 | /* If the registers were not initialized yet, they might be zeroes, |
546 | * which means we're selecting the AVI DIP and we're setting its | |
547 | * frequency to once. This seems to really confuse the HW and make | |
548 | * things stop working (the register spec says the AVI always needs to | |
549 | * be sent every VSync). So here we avoid writing to the register more | |
550 | * than we need and also explicitly select the AVI DIP and explicitly | |
551 | * set its frequency to every VSync. Avoiding to write it twice seems to | |
552 | * be enough to solve the problem, but being defensive shouldn't hurt us | |
553 | * either. */ | |
554 | val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; | |
555 | ||
6897b4b5 | 556 | if (!enable) { |
0c14c7f9 PZ |
557 | if (!(val & VIDEO_DIP_ENABLE)) |
558 | return; | |
0be6f0c8 VS |
559 | if (port != (val & VIDEO_DIP_PORT_MASK)) { |
560 | DRM_DEBUG_KMS("video DIP still enabled on port %c\n", | |
561 | (val & VIDEO_DIP_PORT_MASK) >> 29); | |
562 | return; | |
563 | } | |
564 | val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI | | |
565 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_SPD); | |
0c14c7f9 | 566 | I915_WRITE(reg, val); |
9d9740f0 | 567 | POSTING_READ(reg); |
0c14c7f9 PZ |
568 | return; |
569 | } | |
570 | ||
72b78c9d PZ |
571 | if (port != (val & VIDEO_DIP_PORT_MASK)) { |
572 | if (val & VIDEO_DIP_ENABLE) { | |
0be6f0c8 VS |
573 | DRM_DEBUG_KMS("video DIP already enabled on port %c\n", |
574 | (val & VIDEO_DIP_PORT_MASK) >> 29); | |
575 | return; | |
72b78c9d PZ |
576 | } |
577 | val &= ~VIDEO_DIP_PORT_MASK; | |
578 | val |= port; | |
579 | } | |
580 | ||
822974ae | 581 | val |= VIDEO_DIP_ENABLE; |
0be6f0c8 VS |
582 | val &= ~(VIDEO_DIP_ENABLE_AVI | |
583 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_SPD); | |
822974ae | 584 | |
f278d972 | 585 | I915_WRITE(reg, val); |
9d9740f0 | 586 | POSTING_READ(reg); |
f278d972 | 587 | |
ac240288 ML |
588 | intel_hdmi_set_avi_infoframe(encoder, crtc_state); |
589 | intel_hdmi_set_spd_infoframe(encoder, crtc_state); | |
f1781e9b | 590 | intel_hdmi_set_hdmi_infoframe(encoder, crtc_state, conn_state); |
687f4d06 PZ |
591 | } |
592 | ||
ac240288 | 593 | static bool hdmi_sink_is_deep_color(const struct drm_connector_state *conn_state) |
6d67415f | 594 | { |
ac240288 | 595 | struct drm_connector *connector = conn_state->connector; |
6d67415f VS |
596 | |
597 | /* | |
598 | * HDMI cloning is only supported on g4x which doesn't | |
599 | * support deep color or GCP infoframes anyway so no | |
600 | * need to worry about multiple HDMI sinks here. | |
601 | */ | |
6d67415f | 602 | |
ac240288 | 603 | return connector->display_info.bpc > 8; |
6d67415f VS |
604 | } |
605 | ||
12aa3290 VS |
606 | /* |
607 | * Determine if default_phase=1 can be indicated in the GCP infoframe. | |
608 | * | |
609 | * From HDMI specification 1.4a: | |
610 | * - The first pixel of each Video Data Period shall always have a pixel packing phase of 0 | |
611 | * - The first pixel following each Video Data Period shall have a pixel packing phase of 0 | |
612 | * - The PP bits shall be constant for all GCPs and will be equal to the last packing phase | |
613 | * - The first pixel following every transition of HSYNC or VSYNC shall have a pixel packing | |
614 | * phase of 0 | |
615 | */ | |
616 | static bool gcp_default_phase_possible(int pipe_bpp, | |
617 | const struct drm_display_mode *mode) | |
618 | { | |
619 | unsigned int pixels_per_group; | |
620 | ||
621 | switch (pipe_bpp) { | |
622 | case 30: | |
623 | /* 4 pixels in 5 clocks */ | |
624 | pixels_per_group = 4; | |
625 | break; | |
626 | case 36: | |
627 | /* 2 pixels in 3 clocks */ | |
628 | pixels_per_group = 2; | |
629 | break; | |
630 | case 48: | |
631 | /* 1 pixel in 2 clocks */ | |
632 | pixels_per_group = 1; | |
633 | break; | |
634 | default: | |
635 | /* phase information not relevant for 8bpc */ | |
636 | return false; | |
637 | } | |
638 | ||
639 | return mode->crtc_hdisplay % pixels_per_group == 0 && | |
640 | mode->crtc_htotal % pixels_per_group == 0 && | |
641 | mode->crtc_hblank_start % pixels_per_group == 0 && | |
642 | mode->crtc_hblank_end % pixels_per_group == 0 && | |
643 | mode->crtc_hsync_start % pixels_per_group == 0 && | |
644 | mode->crtc_hsync_end % pixels_per_group == 0 && | |
645 | ((mode->flags & DRM_MODE_FLAG_INTERLACE) == 0 || | |
646 | mode->crtc_htotal/2 % pixels_per_group == 0); | |
647 | } | |
648 | ||
ac240288 ML |
649 | static bool intel_hdmi_set_gcp_infoframe(struct drm_encoder *encoder, |
650 | const struct intel_crtc_state *crtc_state, | |
651 | const struct drm_connector_state *conn_state) | |
6d67415f | 652 | { |
fac5e23e | 653 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
ac240288 | 654 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
f0f59a00 VS |
655 | i915_reg_t reg; |
656 | u32 val = 0; | |
6d67415f VS |
657 | |
658 | if (HAS_DDI(dev_priv)) | |
ac240288 | 659 | reg = HSW_TVIDEO_DIP_GCP(crtc_state->cpu_transcoder); |
666a4537 | 660 | else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) |
6d67415f | 661 | reg = VLV_TVIDEO_DIP_GCP(crtc->pipe); |
2d1fe073 | 662 | else if (HAS_PCH_SPLIT(dev_priv)) |
6d67415f VS |
663 | reg = TVIDEO_DIP_GCP(crtc->pipe); |
664 | else | |
665 | return false; | |
666 | ||
667 | /* Indicate color depth whenever the sink supports deep color */ | |
ac240288 | 668 | if (hdmi_sink_is_deep_color(conn_state)) |
6d67415f VS |
669 | val |= GCP_COLOR_INDICATION; |
670 | ||
12aa3290 | 671 | /* Enable default_phase whenever the display mode is suitably aligned */ |
ac240288 ML |
672 | if (gcp_default_phase_possible(crtc_state->pipe_bpp, |
673 | &crtc_state->base.adjusted_mode)) | |
12aa3290 VS |
674 | val |= GCP_DEFAULT_PHASE_ENABLE; |
675 | ||
6d67415f VS |
676 | I915_WRITE(reg, val); |
677 | ||
678 | return val != 0; | |
679 | } | |
680 | ||
687f4d06 | 681 | static void ibx_set_infoframes(struct drm_encoder *encoder, |
6897b4b5 | 682 | bool enable, |
ac240288 ML |
683 | const struct intel_crtc_state *crtc_state, |
684 | const struct drm_connector_state *conn_state) | |
687f4d06 | 685 | { |
fac5e23e | 686 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
ac240288 | 687 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
69fde0a6 VS |
688 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
689 | struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; | |
f0f59a00 | 690 | i915_reg_t reg = TVIDEO_DIP_CTL(intel_crtc->pipe); |
0c14c7f9 | 691 | u32 val = I915_READ(reg); |
8f4f2797 | 692 | u32 port = VIDEO_DIP_PORT(intel_dig_port->base.port); |
0c14c7f9 | 693 | |
afba0188 DV |
694 | assert_hdmi_port_disabled(intel_hdmi); |
695 | ||
0c14c7f9 PZ |
696 | /* See the big comment in g4x_set_infoframes() */ |
697 | val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; | |
698 | ||
6897b4b5 | 699 | if (!enable) { |
0c14c7f9 PZ |
700 | if (!(val & VIDEO_DIP_ENABLE)) |
701 | return; | |
0be6f0c8 VS |
702 | val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI | |
703 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
704 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
0c14c7f9 | 705 | I915_WRITE(reg, val); |
9d9740f0 | 706 | POSTING_READ(reg); |
0c14c7f9 PZ |
707 | return; |
708 | } | |
709 | ||
72b78c9d | 710 | if (port != (val & VIDEO_DIP_PORT_MASK)) { |
0be6f0c8 VS |
711 | WARN(val & VIDEO_DIP_ENABLE, |
712 | "DIP already enabled on port %c\n", | |
713 | (val & VIDEO_DIP_PORT_MASK) >> 29); | |
72b78c9d PZ |
714 | val &= ~VIDEO_DIP_PORT_MASK; |
715 | val |= port; | |
716 | } | |
717 | ||
822974ae | 718 | val |= VIDEO_DIP_ENABLE; |
0be6f0c8 VS |
719 | val &= ~(VIDEO_DIP_ENABLE_AVI | |
720 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
721 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
822974ae | 722 | |
ac240288 | 723 | if (intel_hdmi_set_gcp_infoframe(encoder, crtc_state, conn_state)) |
6d67415f VS |
724 | val |= VIDEO_DIP_ENABLE_GCP; |
725 | ||
f278d972 | 726 | I915_WRITE(reg, val); |
9d9740f0 | 727 | POSTING_READ(reg); |
f278d972 | 728 | |
ac240288 ML |
729 | intel_hdmi_set_avi_infoframe(encoder, crtc_state); |
730 | intel_hdmi_set_spd_infoframe(encoder, crtc_state); | |
f1781e9b | 731 | intel_hdmi_set_hdmi_infoframe(encoder, crtc_state, conn_state); |
687f4d06 PZ |
732 | } |
733 | ||
734 | static void cpt_set_infoframes(struct drm_encoder *encoder, | |
6897b4b5 | 735 | bool enable, |
ac240288 ML |
736 | const struct intel_crtc_state *crtc_state, |
737 | const struct drm_connector_state *conn_state) | |
687f4d06 | 738 | { |
fac5e23e | 739 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
ac240288 | 740 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
0c14c7f9 | 741 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); |
f0f59a00 | 742 | i915_reg_t reg = TVIDEO_DIP_CTL(intel_crtc->pipe); |
0c14c7f9 PZ |
743 | u32 val = I915_READ(reg); |
744 | ||
afba0188 DV |
745 | assert_hdmi_port_disabled(intel_hdmi); |
746 | ||
0c14c7f9 PZ |
747 | /* See the big comment in g4x_set_infoframes() */ |
748 | val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; | |
749 | ||
6897b4b5 | 750 | if (!enable) { |
0c14c7f9 PZ |
751 | if (!(val & VIDEO_DIP_ENABLE)) |
752 | return; | |
0be6f0c8 VS |
753 | val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI | |
754 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
755 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
0c14c7f9 | 756 | I915_WRITE(reg, val); |
9d9740f0 | 757 | POSTING_READ(reg); |
0c14c7f9 PZ |
758 | return; |
759 | } | |
760 | ||
822974ae PZ |
761 | /* Set both together, unset both together: see the spec. */ |
762 | val |= VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI; | |
0dd87d20 | 763 | val &= ~(VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | |
0be6f0c8 | 764 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); |
822974ae | 765 | |
ac240288 | 766 | if (intel_hdmi_set_gcp_infoframe(encoder, crtc_state, conn_state)) |
6d67415f VS |
767 | val |= VIDEO_DIP_ENABLE_GCP; |
768 | ||
822974ae | 769 | I915_WRITE(reg, val); |
9d9740f0 | 770 | POSTING_READ(reg); |
822974ae | 771 | |
ac240288 ML |
772 | intel_hdmi_set_avi_infoframe(encoder, crtc_state); |
773 | intel_hdmi_set_spd_infoframe(encoder, crtc_state); | |
f1781e9b | 774 | intel_hdmi_set_hdmi_infoframe(encoder, crtc_state, conn_state); |
687f4d06 PZ |
775 | } |
776 | ||
777 | static void vlv_set_infoframes(struct drm_encoder *encoder, | |
6897b4b5 | 778 | bool enable, |
ac240288 ML |
779 | const struct intel_crtc_state *crtc_state, |
780 | const struct drm_connector_state *conn_state) | |
687f4d06 | 781 | { |
fac5e23e | 782 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
6a2b8021 | 783 | struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); |
ac240288 | 784 | struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc); |
0c14c7f9 | 785 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); |
f0f59a00 | 786 | i915_reg_t reg = VLV_TVIDEO_DIP_CTL(intel_crtc->pipe); |
0c14c7f9 | 787 | u32 val = I915_READ(reg); |
8f4f2797 | 788 | u32 port = VIDEO_DIP_PORT(intel_dig_port->base.port); |
0c14c7f9 | 789 | |
afba0188 DV |
790 | assert_hdmi_port_disabled(intel_hdmi); |
791 | ||
0c14c7f9 PZ |
792 | /* See the big comment in g4x_set_infoframes() */ |
793 | val |= VIDEO_DIP_SELECT_AVI | VIDEO_DIP_FREQ_VSYNC; | |
794 | ||
6897b4b5 | 795 | if (!enable) { |
0c14c7f9 PZ |
796 | if (!(val & VIDEO_DIP_ENABLE)) |
797 | return; | |
0be6f0c8 VS |
798 | val &= ~(VIDEO_DIP_ENABLE | VIDEO_DIP_ENABLE_AVI | |
799 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
800 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
0c14c7f9 | 801 | I915_WRITE(reg, val); |
9d9740f0 | 802 | POSTING_READ(reg); |
0c14c7f9 PZ |
803 | return; |
804 | } | |
805 | ||
6a2b8021 | 806 | if (port != (val & VIDEO_DIP_PORT_MASK)) { |
0be6f0c8 VS |
807 | WARN(val & VIDEO_DIP_ENABLE, |
808 | "DIP already enabled on port %c\n", | |
809 | (val & VIDEO_DIP_PORT_MASK) >> 29); | |
6a2b8021 JB |
810 | val &= ~VIDEO_DIP_PORT_MASK; |
811 | val |= port; | |
812 | } | |
813 | ||
822974ae | 814 | val |= VIDEO_DIP_ENABLE; |
0be6f0c8 VS |
815 | val &= ~(VIDEO_DIP_ENABLE_AVI | |
816 | VIDEO_DIP_ENABLE_VENDOR | VIDEO_DIP_ENABLE_GAMUT | | |
817 | VIDEO_DIP_ENABLE_SPD | VIDEO_DIP_ENABLE_GCP); | |
822974ae | 818 | |
ac240288 | 819 | if (intel_hdmi_set_gcp_infoframe(encoder, crtc_state, conn_state)) |
6d67415f VS |
820 | val |= VIDEO_DIP_ENABLE_GCP; |
821 | ||
822974ae | 822 | I915_WRITE(reg, val); |
9d9740f0 | 823 | POSTING_READ(reg); |
822974ae | 824 | |
ac240288 ML |
825 | intel_hdmi_set_avi_infoframe(encoder, crtc_state); |
826 | intel_hdmi_set_spd_infoframe(encoder, crtc_state); | |
f1781e9b | 827 | intel_hdmi_set_hdmi_infoframe(encoder, crtc_state, conn_state); |
687f4d06 PZ |
828 | } |
829 | ||
830 | static void hsw_set_infoframes(struct drm_encoder *encoder, | |
6897b4b5 | 831 | bool enable, |
ac240288 ML |
832 | const struct intel_crtc_state *crtc_state, |
833 | const struct drm_connector_state *conn_state) | |
687f4d06 | 834 | { |
fac5e23e | 835 | struct drm_i915_private *dev_priv = to_i915(encoder->dev); |
0c14c7f9 | 836 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder); |
ac240288 | 837 | i915_reg_t reg = HSW_TVIDEO_DIP_CTL(crtc_state->cpu_transcoder); |
0dd87d20 | 838 | u32 val = I915_READ(reg); |
0c14c7f9 | 839 | |
afba0188 DV |
840 | assert_hdmi_port_disabled(intel_hdmi); |
841 | ||
0be6f0c8 VS |
842 | val &= ~(VIDEO_DIP_ENABLE_VSC_HSW | VIDEO_DIP_ENABLE_AVI_HSW | |
843 | VIDEO_DIP_ENABLE_GCP_HSW | VIDEO_DIP_ENABLE_VS_HSW | | |
844 | VIDEO_DIP_ENABLE_GMP_HSW | VIDEO_DIP_ENABLE_SPD_HSW); | |
845 | ||
6897b4b5 | 846 | if (!enable) { |
0be6f0c8 | 847 | I915_WRITE(reg, val); |
9d9740f0 | 848 | POSTING_READ(reg); |
0c14c7f9 PZ |
849 | return; |
850 | } | |
851 | ||
ac240288 | 852 | if (intel_hdmi_set_gcp_infoframe(encoder, crtc_state, conn_state)) |
6d67415f VS |
853 | val |= VIDEO_DIP_ENABLE_GCP_HSW; |
854 | ||
0dd87d20 | 855 | I915_WRITE(reg, val); |
9d9740f0 | 856 | POSTING_READ(reg); |
0dd87d20 | 857 | |
ac240288 ML |
858 | intel_hdmi_set_avi_infoframe(encoder, crtc_state); |
859 | intel_hdmi_set_spd_infoframe(encoder, crtc_state); | |
f1781e9b | 860 | intel_hdmi_set_hdmi_infoframe(encoder, crtc_state, conn_state); |
687f4d06 PZ |
861 | } |
862 | ||
b2ccb822 VS |
863 | void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable) |
864 | { | |
865 | struct drm_i915_private *dev_priv = to_i915(intel_hdmi_to_dev(hdmi)); | |
866 | struct i2c_adapter *adapter = | |
867 | intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus); | |
868 | ||
869 | if (hdmi->dp_dual_mode.type < DRM_DP_DUAL_MODE_TYPE2_DVI) | |
870 | return; | |
871 | ||
872 | DRM_DEBUG_KMS("%s DP dual mode adaptor TMDS output\n", | |
873 | enable ? "Enabling" : "Disabling"); | |
874 | ||
875 | drm_dp_dual_mode_set_tmds_output(hdmi->dp_dual_mode.type, | |
876 | adapter, enable); | |
877 | } | |
878 | ||
ac240288 ML |
879 | static void intel_hdmi_prepare(struct intel_encoder *encoder, |
880 | const struct intel_crtc_state *crtc_state) | |
7d57382e | 881 | { |
c59423a3 | 882 | struct drm_device *dev = encoder->base.dev; |
fac5e23e | 883 | struct drm_i915_private *dev_priv = to_i915(dev); |
ac240288 | 884 | struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc); |
c59423a3 | 885 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
ac240288 | 886 | const struct drm_display_mode *adjusted_mode = &crtc_state->base.adjusted_mode; |
b242b7f7 | 887 | u32 hdmi_val; |
7d57382e | 888 | |
b2ccb822 VS |
889 | intel_dp_dual_mode_set_tmds_output(intel_hdmi, true); |
890 | ||
b242b7f7 | 891 | hdmi_val = SDVO_ENCODING_HDMI; |
ac240288 | 892 | if (!HAS_PCH_SPLIT(dev_priv) && crtc_state->limited_color_range) |
0f2a2a75 | 893 | hdmi_val |= HDMI_COLOR_RANGE_16_235; |
b599c0bc | 894 | if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC) |
b242b7f7 | 895 | hdmi_val |= SDVO_VSYNC_ACTIVE_HIGH; |
b599c0bc | 896 | if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC) |
b242b7f7 | 897 | hdmi_val |= SDVO_HSYNC_ACTIVE_HIGH; |
7d57382e | 898 | |
ac240288 | 899 | if (crtc_state->pipe_bpp > 24) |
4f3a8bc7 | 900 | hdmi_val |= HDMI_COLOR_FORMAT_12bpc; |
020f6704 | 901 | else |
4f3a8bc7 | 902 | hdmi_val |= SDVO_COLOR_FORMAT_8bpc; |
020f6704 | 903 | |
ac240288 | 904 | if (crtc_state->has_hdmi_sink) |
dc0fa718 | 905 | hdmi_val |= HDMI_MODE_SELECT_HDMI; |
2e3d6006 | 906 | |
6e266956 | 907 | if (HAS_PCH_CPT(dev_priv)) |
c59423a3 | 908 | hdmi_val |= SDVO_PIPE_SEL_CPT(crtc->pipe); |
920a14b2 | 909 | else if (IS_CHERRYVIEW(dev_priv)) |
44f37d1f | 910 | hdmi_val |= SDVO_PIPE_SEL_CHV(crtc->pipe); |
dc0fa718 | 911 | else |
c59423a3 | 912 | hdmi_val |= SDVO_PIPE_SEL(crtc->pipe); |
7d57382e | 913 | |
b242b7f7 PZ |
914 | I915_WRITE(intel_hdmi->hdmi_reg, hdmi_val); |
915 | POSTING_READ(intel_hdmi->hdmi_reg); | |
7d57382e EA |
916 | } |
917 | ||
85234cdc DV |
918 | static bool intel_hdmi_get_hw_state(struct intel_encoder *encoder, |
919 | enum pipe *pipe) | |
7d57382e | 920 | { |
85234cdc | 921 | struct drm_device *dev = encoder->base.dev; |
fac5e23e | 922 | struct drm_i915_private *dev_priv = to_i915(dev); |
85234cdc DV |
923 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
924 | u32 tmp; | |
5b092174 | 925 | bool ret; |
85234cdc | 926 | |
79f255a0 ACO |
927 | if (!intel_display_power_get_if_enabled(dev_priv, |
928 | encoder->power_domain)) | |
6d129bea ID |
929 | return false; |
930 | ||
5b092174 ID |
931 | ret = false; |
932 | ||
b242b7f7 | 933 | tmp = I915_READ(intel_hdmi->hdmi_reg); |
85234cdc DV |
934 | |
935 | if (!(tmp & SDVO_ENABLE)) | |
5b092174 | 936 | goto out; |
85234cdc | 937 | |
6e266956 | 938 | if (HAS_PCH_CPT(dev_priv)) |
85234cdc | 939 | *pipe = PORT_TO_PIPE_CPT(tmp); |
920a14b2 | 940 | else if (IS_CHERRYVIEW(dev_priv)) |
71485e0a | 941 | *pipe = SDVO_PORT_TO_PIPE_CHV(tmp); |
85234cdc DV |
942 | else |
943 | *pipe = PORT_TO_PIPE(tmp); | |
944 | ||
5b092174 ID |
945 | ret = true; |
946 | ||
947 | out: | |
79f255a0 | 948 | intel_display_power_put(dev_priv, encoder->power_domain); |
5b092174 ID |
949 | |
950 | return ret; | |
85234cdc DV |
951 | } |
952 | ||
045ac3b5 | 953 | static void intel_hdmi_get_config(struct intel_encoder *encoder, |
5cec258b | 954 | struct intel_crtc_state *pipe_config) |
045ac3b5 JB |
955 | { |
956 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); | |
f99be1b3 | 957 | struct intel_digital_port *intel_dig_port = hdmi_to_dig_port(intel_hdmi); |
8c875fca | 958 | struct drm_device *dev = encoder->base.dev; |
fac5e23e | 959 | struct drm_i915_private *dev_priv = to_i915(dev); |
045ac3b5 | 960 | u32 tmp, flags = 0; |
18442d08 | 961 | int dotclock; |
045ac3b5 | 962 | |
e1214b95 VS |
963 | pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI); |
964 | ||
045ac3b5 JB |
965 | tmp = I915_READ(intel_hdmi->hdmi_reg); |
966 | ||
967 | if (tmp & SDVO_HSYNC_ACTIVE_HIGH) | |
968 | flags |= DRM_MODE_FLAG_PHSYNC; | |
969 | else | |
970 | flags |= DRM_MODE_FLAG_NHSYNC; | |
971 | ||
972 | if (tmp & SDVO_VSYNC_ACTIVE_HIGH) | |
973 | flags |= DRM_MODE_FLAG_PVSYNC; | |
974 | else | |
975 | flags |= DRM_MODE_FLAG_NVSYNC; | |
976 | ||
6897b4b5 DV |
977 | if (tmp & HDMI_MODE_SELECT_HDMI) |
978 | pipe_config->has_hdmi_sink = true; | |
979 | ||
f99be1b3 | 980 | if (intel_dig_port->infoframe_enabled(&encoder->base, pipe_config)) |
e43823ec JB |
981 | pipe_config->has_infoframe = true; |
982 | ||
c84db770 | 983 | if (tmp & SDVO_AUDIO_ENABLE) |
9ed109a7 DV |
984 | pipe_config->has_audio = true; |
985 | ||
6e266956 | 986 | if (!HAS_PCH_SPLIT(dev_priv) && |
8c875fca VS |
987 | tmp & HDMI_COLOR_RANGE_16_235) |
988 | pipe_config->limited_color_range = true; | |
989 | ||
2d112de7 | 990 | pipe_config->base.adjusted_mode.flags |= flags; |
18442d08 VS |
991 | |
992 | if ((tmp & SDVO_COLOR_FORMAT_MASK) == HDMI_COLOR_FORMAT_12bpc) | |
993 | dotclock = pipe_config->port_clock * 2 / 3; | |
994 | else | |
995 | dotclock = pipe_config->port_clock; | |
996 | ||
be69a133 VS |
997 | if (pipe_config->pixel_multiplier) |
998 | dotclock /= pipe_config->pixel_multiplier; | |
999 | ||
2d112de7 | 1000 | pipe_config->base.adjusted_mode.crtc_clock = dotclock; |
d4d6279a ACO |
1001 | |
1002 | pipe_config->lane_count = 4; | |
045ac3b5 JB |
1003 | } |
1004 | ||
df18e721 | 1005 | static void intel_enable_hdmi_audio(struct intel_encoder *encoder, |
5f88a9c6 VS |
1006 | const struct intel_crtc_state *pipe_config, |
1007 | const struct drm_connector_state *conn_state) | |
d1b1589c | 1008 | { |
ac240288 | 1009 | struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc); |
d1b1589c | 1010 | |
ac240288 | 1011 | WARN_ON(!pipe_config->has_hdmi_sink); |
d1b1589c VS |
1012 | DRM_DEBUG_DRIVER("Enabling HDMI audio on pipe %c\n", |
1013 | pipe_name(crtc->pipe)); | |
bbf35e9d | 1014 | intel_audio_codec_enable(encoder, pipe_config, conn_state); |
d1b1589c VS |
1015 | } |
1016 | ||
fd6bbda9 | 1017 | static void g4x_enable_hdmi(struct intel_encoder *encoder, |
5f88a9c6 VS |
1018 | const struct intel_crtc_state *pipe_config, |
1019 | const struct drm_connector_state *conn_state) | |
7d57382e | 1020 | { |
5ab432ef | 1021 | struct drm_device *dev = encoder->base.dev; |
fac5e23e | 1022 | struct drm_i915_private *dev_priv = to_i915(dev); |
5ab432ef | 1023 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
7d57382e EA |
1024 | u32 temp; |
1025 | ||
b242b7f7 | 1026 | temp = I915_READ(intel_hdmi->hdmi_reg); |
d8a2d0e0 | 1027 | |
bf868c7d | 1028 | temp |= SDVO_ENABLE; |
df18e721 | 1029 | if (pipe_config->has_audio) |
bf868c7d | 1030 | temp |= SDVO_AUDIO_ENABLE; |
7a87c289 | 1031 | |
bf868c7d VS |
1032 | I915_WRITE(intel_hdmi->hdmi_reg, temp); |
1033 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1034 | ||
df18e721 ML |
1035 | if (pipe_config->has_audio) |
1036 | intel_enable_hdmi_audio(encoder, pipe_config, conn_state); | |
bf868c7d VS |
1037 | } |
1038 | ||
fd6bbda9 | 1039 | static void ibx_enable_hdmi(struct intel_encoder *encoder, |
5f88a9c6 VS |
1040 | const struct intel_crtc_state *pipe_config, |
1041 | const struct drm_connector_state *conn_state) | |
bf868c7d VS |
1042 | { |
1043 | struct drm_device *dev = encoder->base.dev; | |
fac5e23e | 1044 | struct drm_i915_private *dev_priv = to_i915(dev); |
bf868c7d VS |
1045 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
1046 | u32 temp; | |
1047 | ||
1048 | temp = I915_READ(intel_hdmi->hdmi_reg); | |
d8a2d0e0 | 1049 | |
bf868c7d | 1050 | temp |= SDVO_ENABLE; |
ac240288 | 1051 | if (pipe_config->has_audio) |
bf868c7d | 1052 | temp |= SDVO_AUDIO_ENABLE; |
5ab432ef | 1053 | |
bf868c7d VS |
1054 | /* |
1055 | * HW workaround, need to write this twice for issue | |
1056 | * that may result in first write getting masked. | |
1057 | */ | |
1058 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1059 | POSTING_READ(intel_hdmi->hdmi_reg); | |
b242b7f7 PZ |
1060 | I915_WRITE(intel_hdmi->hdmi_reg, temp); |
1061 | POSTING_READ(intel_hdmi->hdmi_reg); | |
5ab432ef | 1062 | |
bf868c7d VS |
1063 | /* |
1064 | * HW workaround, need to toggle enable bit off and on | |
1065 | * for 12bpc with pixel repeat. | |
1066 | * | |
1067 | * FIXME: BSpec says this should be done at the end of | |
1068 | * of the modeset sequence, so not sure if this isn't too soon. | |
5ab432ef | 1069 | */ |
df18e721 ML |
1070 | if (pipe_config->pipe_bpp > 24 && |
1071 | pipe_config->pixel_multiplier > 1) { | |
bf868c7d VS |
1072 | I915_WRITE(intel_hdmi->hdmi_reg, temp & ~SDVO_ENABLE); |
1073 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1074 | ||
1075 | /* | |
1076 | * HW workaround, need to write this twice for issue | |
1077 | * that may result in first write getting masked. | |
1078 | */ | |
1079 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1080 | POSTING_READ(intel_hdmi->hdmi_reg); | |
b242b7f7 PZ |
1081 | I915_WRITE(intel_hdmi->hdmi_reg, temp); |
1082 | POSTING_READ(intel_hdmi->hdmi_reg); | |
7d57382e | 1083 | } |
c1dec79a | 1084 | |
df18e721 ML |
1085 | if (pipe_config->has_audio) |
1086 | intel_enable_hdmi_audio(encoder, pipe_config, conn_state); | |
d1b1589c VS |
1087 | } |
1088 | ||
fd6bbda9 | 1089 | static void cpt_enable_hdmi(struct intel_encoder *encoder, |
5f88a9c6 VS |
1090 | const struct intel_crtc_state *pipe_config, |
1091 | const struct drm_connector_state *conn_state) | |
d1b1589c VS |
1092 | { |
1093 | struct drm_device *dev = encoder->base.dev; | |
fac5e23e | 1094 | struct drm_i915_private *dev_priv = to_i915(dev); |
ac240288 | 1095 | struct intel_crtc *crtc = to_intel_crtc(pipe_config->base.crtc); |
d1b1589c VS |
1096 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
1097 | enum pipe pipe = crtc->pipe; | |
1098 | u32 temp; | |
1099 | ||
1100 | temp = I915_READ(intel_hdmi->hdmi_reg); | |
1101 | ||
1102 | temp |= SDVO_ENABLE; | |
df18e721 | 1103 | if (pipe_config->has_audio) |
d1b1589c VS |
1104 | temp |= SDVO_AUDIO_ENABLE; |
1105 | ||
1106 | /* | |
1107 | * WaEnableHDMI8bpcBefore12bpc:snb,ivb | |
1108 | * | |
1109 | * The procedure for 12bpc is as follows: | |
1110 | * 1. disable HDMI clock gating | |
1111 | * 2. enable HDMI with 8bpc | |
1112 | * 3. enable HDMI with 12bpc | |
1113 | * 4. enable HDMI clock gating | |
1114 | */ | |
1115 | ||
df18e721 | 1116 | if (pipe_config->pipe_bpp > 24) { |
d1b1589c VS |
1117 | I915_WRITE(TRANS_CHICKEN1(pipe), |
1118 | I915_READ(TRANS_CHICKEN1(pipe)) | | |
1119 | TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE); | |
1120 | ||
1121 | temp &= ~SDVO_COLOR_FORMAT_MASK; | |
1122 | temp |= SDVO_COLOR_FORMAT_8bpc; | |
c1dec79a | 1123 | } |
d1b1589c VS |
1124 | |
1125 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1126 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1127 | ||
df18e721 | 1128 | if (pipe_config->pipe_bpp > 24) { |
d1b1589c VS |
1129 | temp &= ~SDVO_COLOR_FORMAT_MASK; |
1130 | temp |= HDMI_COLOR_FORMAT_12bpc; | |
1131 | ||
1132 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1133 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1134 | ||
1135 | I915_WRITE(TRANS_CHICKEN1(pipe), | |
1136 | I915_READ(TRANS_CHICKEN1(pipe)) & | |
1137 | ~TRANS_CHICKEN1_HDMIUNIT_GC_DISABLE); | |
1138 | } | |
1139 | ||
df18e721 ML |
1140 | if (pipe_config->has_audio) |
1141 | intel_enable_hdmi_audio(encoder, pipe_config, conn_state); | |
b76cf76b | 1142 | } |
89b667f8 | 1143 | |
fd6bbda9 | 1144 | static void vlv_enable_hdmi(struct intel_encoder *encoder, |
5f88a9c6 VS |
1145 | const struct intel_crtc_state *pipe_config, |
1146 | const struct drm_connector_state *conn_state) | |
b76cf76b | 1147 | { |
5ab432ef DV |
1148 | } |
1149 | ||
fd6bbda9 | 1150 | static void intel_disable_hdmi(struct intel_encoder *encoder, |
5f88a9c6 VS |
1151 | const struct intel_crtc_state *old_crtc_state, |
1152 | const struct drm_connector_state *old_conn_state) | |
5ab432ef DV |
1153 | { |
1154 | struct drm_device *dev = encoder->base.dev; | |
fac5e23e | 1155 | struct drm_i915_private *dev_priv = to_i915(dev); |
5ab432ef | 1156 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
f99be1b3 VS |
1157 | struct intel_digital_port *intel_dig_port = |
1158 | hdmi_to_dig_port(intel_hdmi); | |
ac240288 | 1159 | struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc); |
5ab432ef | 1160 | u32 temp; |
5ab432ef | 1161 | |
b242b7f7 | 1162 | temp = I915_READ(intel_hdmi->hdmi_reg); |
5ab432ef | 1163 | |
1612c8bd | 1164 | temp &= ~(SDVO_ENABLE | SDVO_AUDIO_ENABLE); |
b242b7f7 PZ |
1165 | I915_WRITE(intel_hdmi->hdmi_reg, temp); |
1166 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1612c8bd VS |
1167 | |
1168 | /* | |
1169 | * HW workaround for IBX, we need to move the port | |
1170 | * to transcoder A after disabling it to allow the | |
1171 | * matching DP port to be enabled on transcoder A. | |
1172 | */ | |
6e266956 | 1173 | if (HAS_PCH_IBX(dev_priv) && crtc->pipe == PIPE_B) { |
0c241d5b VS |
1174 | /* |
1175 | * We get CPU/PCH FIFO underruns on the other pipe when | |
1176 | * doing the workaround. Sweep them under the rug. | |
1177 | */ | |
1178 | intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, false); | |
1179 | intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, false); | |
1180 | ||
1612c8bd VS |
1181 | temp &= ~SDVO_PIPE_B_SELECT; |
1182 | temp |= SDVO_ENABLE; | |
1183 | /* | |
1184 | * HW workaround, need to write this twice for issue | |
1185 | * that may result in first write getting masked. | |
1186 | */ | |
1187 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1188 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1189 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1190 | POSTING_READ(intel_hdmi->hdmi_reg); | |
1191 | ||
1192 | temp &= ~SDVO_ENABLE; | |
1193 | I915_WRITE(intel_hdmi->hdmi_reg, temp); | |
1194 | POSTING_READ(intel_hdmi->hdmi_reg); | |
0c241d5b | 1195 | |
0f0f74bc | 1196 | intel_wait_for_vblank_if_active(dev_priv, PIPE_A); |
0c241d5b VS |
1197 | intel_set_cpu_fifo_underrun_reporting(dev_priv, PIPE_A, true); |
1198 | intel_set_pch_fifo_underrun_reporting(dev_priv, PIPE_A, true); | |
1612c8bd | 1199 | } |
6d67415f | 1200 | |
f99be1b3 VS |
1201 | intel_dig_port->set_infoframes(&encoder->base, false, |
1202 | old_crtc_state, old_conn_state); | |
b2ccb822 VS |
1203 | |
1204 | intel_dp_dual_mode_set_tmds_output(intel_hdmi, false); | |
7d57382e EA |
1205 | } |
1206 | ||
fd6bbda9 | 1207 | static void g4x_disable_hdmi(struct intel_encoder *encoder, |
5f88a9c6 VS |
1208 | const struct intel_crtc_state *old_crtc_state, |
1209 | const struct drm_connector_state *old_conn_state) | |
a4790cec | 1210 | { |
df18e721 | 1211 | if (old_crtc_state->has_audio) |
8ec47de2 VS |
1212 | intel_audio_codec_disable(encoder, |
1213 | old_crtc_state, old_conn_state); | |
a4790cec | 1214 | |
fd6bbda9 | 1215 | intel_disable_hdmi(encoder, old_crtc_state, old_conn_state); |
a4790cec VS |
1216 | } |
1217 | ||
fd6bbda9 | 1218 | static void pch_disable_hdmi(struct intel_encoder *encoder, |
5f88a9c6 VS |
1219 | const struct intel_crtc_state *old_crtc_state, |
1220 | const struct drm_connector_state *old_conn_state) | |
a4790cec | 1221 | { |
df18e721 | 1222 | if (old_crtc_state->has_audio) |
8ec47de2 VS |
1223 | intel_audio_codec_disable(encoder, |
1224 | old_crtc_state, old_conn_state); | |
a4790cec VS |
1225 | } |
1226 | ||
fd6bbda9 | 1227 | static void pch_post_disable_hdmi(struct intel_encoder *encoder, |
5f88a9c6 VS |
1228 | const struct intel_crtc_state *old_crtc_state, |
1229 | const struct drm_connector_state *old_conn_state) | |
a4790cec | 1230 | { |
fd6bbda9 | 1231 | intel_disable_hdmi(encoder, old_crtc_state, old_conn_state); |
a4790cec VS |
1232 | } |
1233 | ||
d6038611 | 1234 | static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder) |
7d148ef5 | 1235 | { |
d6038611 VS |
1236 | struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); |
1237 | const struct ddi_vbt_port_info *info = | |
1238 | &dev_priv->vbt.ddi_port_info[encoder->port]; | |
1239 | int max_tmds_clock; | |
1240 | ||
9672a69c | 1241 | if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) |
d6038611 VS |
1242 | max_tmds_clock = 594000; |
1243 | else if (INTEL_GEN(dev_priv) >= 8 || IS_HASWELL(dev_priv)) | |
1244 | max_tmds_clock = 300000; | |
1245 | else if (INTEL_GEN(dev_priv) >= 5) | |
1246 | max_tmds_clock = 225000; | |
7d148ef5 | 1247 | else |
d6038611 VS |
1248 | max_tmds_clock = 165000; |
1249 | ||
1250 | if (info->max_tmds_clock) | |
1251 | max_tmds_clock = min(max_tmds_clock, info->max_tmds_clock); | |
1252 | ||
1253 | return max_tmds_clock; | |
7d148ef5 DV |
1254 | } |
1255 | ||
b1ba124d | 1256 | static int hdmi_port_clock_limit(struct intel_hdmi *hdmi, |
7a5ca19f ML |
1257 | bool respect_downstream_limits, |
1258 | bool force_dvi) | |
b1ba124d | 1259 | { |
d6038611 VS |
1260 | struct intel_encoder *encoder = &hdmi_to_dig_port(hdmi)->base; |
1261 | int max_tmds_clock = intel_hdmi_source_max_tmds_clock(encoder); | |
b1ba124d VS |
1262 | |
1263 | if (respect_downstream_limits) { | |
8cadab0a VS |
1264 | struct intel_connector *connector = hdmi->attached_connector; |
1265 | const struct drm_display_info *info = &connector->base.display_info; | |
1266 | ||
b1ba124d VS |
1267 | if (hdmi->dp_dual_mode.max_tmds_clock) |
1268 | max_tmds_clock = min(max_tmds_clock, | |
1269 | hdmi->dp_dual_mode.max_tmds_clock); | |
8cadab0a VS |
1270 | |
1271 | if (info->max_tmds_clock) | |
1272 | max_tmds_clock = min(max_tmds_clock, | |
1273 | info->max_tmds_clock); | |
7a5ca19f | 1274 | else if (!hdmi->has_hdmi_sink || force_dvi) |
b1ba124d VS |
1275 | max_tmds_clock = min(max_tmds_clock, 165000); |
1276 | } | |
1277 | ||
1278 | return max_tmds_clock; | |
1279 | } | |
1280 | ||
e64e739e VS |
1281 | static enum drm_mode_status |
1282 | hdmi_port_clock_valid(struct intel_hdmi *hdmi, | |
7a5ca19f ML |
1283 | int clock, bool respect_downstream_limits, |
1284 | bool force_dvi) | |
e64e739e | 1285 | { |
e2d214ae | 1286 | struct drm_i915_private *dev_priv = to_i915(intel_hdmi_to_dev(hdmi)); |
e64e739e VS |
1287 | |
1288 | if (clock < 25000) | |
1289 | return MODE_CLOCK_LOW; | |
7a5ca19f | 1290 | if (clock > hdmi_port_clock_limit(hdmi, respect_downstream_limits, force_dvi)) |
e64e739e VS |
1291 | return MODE_CLOCK_HIGH; |
1292 | ||
5e6ccc0b | 1293 | /* BXT DPLL can't generate 223-240 MHz */ |
cc3f90f0 | 1294 | if (IS_GEN9_LP(dev_priv) && clock > 223333 && clock < 240000) |
5e6ccc0b VS |
1295 | return MODE_CLOCK_RANGE; |
1296 | ||
1297 | /* CHV DPLL can't generate 216-240 MHz */ | |
e2d214ae | 1298 | if (IS_CHERRYVIEW(dev_priv) && clock > 216000 && clock < 240000) |
e64e739e VS |
1299 | return MODE_CLOCK_RANGE; |
1300 | ||
1301 | return MODE_OK; | |
1302 | } | |
1303 | ||
c19de8eb DL |
1304 | static enum drm_mode_status |
1305 | intel_hdmi_mode_valid(struct drm_connector *connector, | |
1306 | struct drm_display_mode *mode) | |
7d57382e | 1307 | { |
e64e739e VS |
1308 | struct intel_hdmi *hdmi = intel_attached_hdmi(connector); |
1309 | struct drm_device *dev = intel_hdmi_to_dev(hdmi); | |
49cff963 | 1310 | struct drm_i915_private *dev_priv = to_i915(dev); |
e64e739e VS |
1311 | enum drm_mode_status status; |
1312 | int clock; | |
587bf496 | 1313 | int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; |
7a5ca19f ML |
1314 | bool force_dvi = |
1315 | READ_ONCE(to_intel_digital_connector_state(connector->state)->force_audio) == HDMI_AUDIO_OFF_DVI; | |
e64e739e VS |
1316 | |
1317 | if (mode->flags & DRM_MODE_FLAG_DBLSCAN) | |
1318 | return MODE_NO_DBLESCAN; | |
697c4078 | 1319 | |
e64e739e | 1320 | clock = mode->clock; |
587bf496 MK |
1321 | |
1322 | if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) | |
1323 | clock *= 2; | |
1324 | ||
1325 | if (clock > max_dotclk) | |
1326 | return MODE_CLOCK_HIGH; | |
1327 | ||
697c4078 CT |
1328 | if (mode->flags & DRM_MODE_FLAG_DBLCLK) |
1329 | clock *= 2; | |
1330 | ||
b22ca995 SS |
1331 | if (drm_mode_is_420_only(&connector->display_info, mode)) |
1332 | clock /= 2; | |
1333 | ||
e64e739e | 1334 | /* check if we can do 8bpc */ |
7a5ca19f | 1335 | status = hdmi_port_clock_valid(hdmi, clock, true, force_dvi); |
7d57382e | 1336 | |
e64e739e | 1337 | /* if we can't do 8bpc we may still be able to do 12bpc */ |
7a5ca19f ML |
1338 | if (!HAS_GMCH_DISPLAY(dev_priv) && status != MODE_OK && hdmi->has_hdmi_sink && !force_dvi) |
1339 | status = hdmi_port_clock_valid(hdmi, clock * 3 / 2, true, force_dvi); | |
7d57382e | 1340 | |
e64e739e | 1341 | return status; |
7d57382e EA |
1342 | } |
1343 | ||
5f88a9c6 | 1344 | static bool hdmi_12bpc_possible(const struct intel_crtc_state *crtc_state) |
71800632 | 1345 | { |
c750bdd3 VS |
1346 | struct drm_i915_private *dev_priv = |
1347 | to_i915(crtc_state->base.crtc->dev); | |
1348 | struct drm_atomic_state *state = crtc_state->base.state; | |
1349 | struct drm_connector_state *connector_state; | |
1350 | struct drm_connector *connector; | |
1351 | int i; | |
71800632 | 1352 | |
c750bdd3 | 1353 | if (HAS_GMCH_DISPLAY(dev_priv)) |
71800632 VS |
1354 | return false; |
1355 | ||
be33be5d VS |
1356 | if (crtc_state->pipe_bpp <= 8*3) |
1357 | return false; | |
1358 | ||
1359 | if (!crtc_state->has_hdmi_sink) | |
1360 | return false; | |
1361 | ||
71800632 VS |
1362 | /* |
1363 | * HDMI 12bpc affects the clocks, so it's only possible | |
1364 | * when not cloning with other encoder types. | |
1365 | */ | |
c750bdd3 VS |
1366 | if (crtc_state->output_types != 1 << INTEL_OUTPUT_HDMI) |
1367 | return false; | |
1368 | ||
fe5f6b1f | 1369 | for_each_new_connector_in_state(state, connector, connector_state, i) { |
c750bdd3 VS |
1370 | const struct drm_display_info *info = &connector->display_info; |
1371 | ||
1372 | if (connector_state->crtc != crtc_state->base.crtc) | |
1373 | continue; | |
1374 | ||
60436fd4 SS |
1375 | if (crtc_state->ycbcr420) { |
1376 | const struct drm_hdmi_info *hdmi = &info->hdmi; | |
1377 | ||
1378 | if (!(hdmi->y420_dc_modes & DRM_EDID_YCBCR420_DC_36)) | |
1379 | return false; | |
1380 | } else { | |
1381 | if (!(info->edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_36)) | |
1382 | return false; | |
1383 | } | |
c750bdd3 VS |
1384 | } |
1385 | ||
2abf3c0d | 1386 | /* Display WA #1139: glk */ |
46649d8b ACO |
1387 | if (IS_GLK_REVID(dev_priv, 0, GLK_REVID_A1) && |
1388 | crtc_state->base.adjusted_mode.htotal > 5460) | |
1389 | return false; | |
1390 | ||
c750bdd3 | 1391 | return true; |
71800632 VS |
1392 | } |
1393 | ||
60436fd4 SS |
1394 | static bool |
1395 | intel_hdmi_ycbcr420_config(struct drm_connector *connector, | |
1396 | struct intel_crtc_state *config, | |
1397 | int *clock_12bpc, int *clock_8bpc) | |
1398 | { | |
e5c05931 SS |
1399 | struct intel_crtc *intel_crtc = to_intel_crtc(config->base.crtc); |
1400 | ||
60436fd4 SS |
1401 | if (!connector->ycbcr_420_allowed) { |
1402 | DRM_ERROR("Platform doesn't support YCBCR420 output\n"); | |
1403 | return false; | |
1404 | } | |
1405 | ||
1406 | /* YCBCR420 TMDS rate requirement is half the pixel clock */ | |
1407 | config->port_clock /= 2; | |
1408 | *clock_12bpc /= 2; | |
1409 | *clock_8bpc /= 2; | |
1410 | config->ycbcr420 = true; | |
e5c05931 SS |
1411 | |
1412 | /* YCBCR 420 output conversion needs a scaler */ | |
1413 | if (skl_update_scaler_crtc(config)) { | |
1414 | DRM_DEBUG_KMS("Scaler allocation for output failed\n"); | |
1415 | return false; | |
1416 | } | |
1417 | ||
1418 | intel_pch_panel_fitting(intel_crtc, config, | |
1419 | DRM_MODE_SCALE_FULLSCREEN); | |
1420 | ||
60436fd4 SS |
1421 | return true; |
1422 | } | |
1423 | ||
5bfe2ac0 | 1424 | bool intel_hdmi_compute_config(struct intel_encoder *encoder, |
0a478c27 ML |
1425 | struct intel_crtc_state *pipe_config, |
1426 | struct drm_connector_state *conn_state) | |
7d57382e | 1427 | { |
5bfe2ac0 | 1428 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); |
4f8036a2 | 1429 | struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); |
2d112de7 | 1430 | struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode; |
60436fd4 SS |
1431 | struct drm_connector *connector = conn_state->connector; |
1432 | struct drm_scdc *scdc = &connector->display_info.hdmi.scdc; | |
7a5ca19f ML |
1433 | struct intel_digital_connector_state *intel_conn_state = |
1434 | to_intel_digital_connector_state(conn_state); | |
e64e739e VS |
1435 | int clock_8bpc = pipe_config->base.adjusted_mode.crtc_clock; |
1436 | int clock_12bpc = clock_8bpc * 3 / 2; | |
e29c22c0 | 1437 | int desired_bpp; |
7a5ca19f | 1438 | bool force_dvi = intel_conn_state->force_audio == HDMI_AUDIO_OFF_DVI; |
3685a8f3 | 1439 | |
7a5ca19f | 1440 | pipe_config->has_hdmi_sink = !force_dvi && intel_hdmi->has_hdmi_sink; |
6897b4b5 | 1441 | |
e43823ec JB |
1442 | if (pipe_config->has_hdmi_sink) |
1443 | pipe_config->has_infoframe = true; | |
1444 | ||
7a5ca19f | 1445 | if (intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_AUTO) { |
55bc60db | 1446 | /* See CEA-861-E - 5.1 Default Encoding Parameters */ |
0f2a2a75 VS |
1447 | pipe_config->limited_color_range = |
1448 | pipe_config->has_hdmi_sink && | |
c8127cf0 VS |
1449 | drm_default_rgb_quant_range(adjusted_mode) == |
1450 | HDMI_QUANTIZATION_RANGE_LIMITED; | |
0f2a2a75 VS |
1451 | } else { |
1452 | pipe_config->limited_color_range = | |
7a5ca19f | 1453 | intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_LIMITED; |
55bc60db VS |
1454 | } |
1455 | ||
697c4078 CT |
1456 | if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK) { |
1457 | pipe_config->pixel_multiplier = 2; | |
e64e739e | 1458 | clock_8bpc *= 2; |
3320e37f | 1459 | clock_12bpc *= 2; |
697c4078 CT |
1460 | } |
1461 | ||
60436fd4 SS |
1462 | if (drm_mode_is_420_only(&connector->display_info, adjusted_mode)) { |
1463 | if (!intel_hdmi_ycbcr420_config(connector, pipe_config, | |
1464 | &clock_12bpc, &clock_8bpc)) { | |
1465 | DRM_ERROR("Can't support YCBCR420 output\n"); | |
1466 | return false; | |
1467 | } | |
1468 | } | |
1469 | ||
4f8036a2 | 1470 | if (HAS_PCH_SPLIT(dev_priv) && !HAS_DDI(dev_priv)) |
5bfe2ac0 DV |
1471 | pipe_config->has_pch_encoder = true; |
1472 | ||
7a5ca19f ML |
1473 | if (pipe_config->has_hdmi_sink) { |
1474 | if (intel_conn_state->force_audio == HDMI_AUDIO_AUTO) | |
1475 | pipe_config->has_audio = intel_hdmi->has_audio; | |
1476 | else | |
1477 | pipe_config->has_audio = | |
1478 | intel_conn_state->force_audio == HDMI_AUDIO_ON; | |
1479 | } | |
9ed109a7 | 1480 | |
4e53c2e0 DV |
1481 | /* |
1482 | * HDMI is either 12 or 8, so if the display lets 10bpc sneak | |
1483 | * through, clamp it down. Note that g4x/vlv don't support 12bpc hdmi | |
325b9d04 DV |
1484 | * outputs. We also need to check that the higher clock still fits |
1485 | * within limits. | |
4e53c2e0 | 1486 | */ |
be33be5d VS |
1487 | if (hdmi_12bpc_possible(pipe_config) && |
1488 | hdmi_port_clock_valid(intel_hdmi, clock_12bpc, true, force_dvi) == MODE_OK) { | |
e29c22c0 DV |
1489 | DRM_DEBUG_KMS("picking bpc to 12 for HDMI output\n"); |
1490 | desired_bpp = 12*3; | |
325b9d04 DV |
1491 | |
1492 | /* Need to adjust the port link by 1.5x for 12bpc. */ | |
ff9a6750 | 1493 | pipe_config->port_clock = clock_12bpc; |
4e53c2e0 | 1494 | } else { |
e29c22c0 DV |
1495 | DRM_DEBUG_KMS("picking bpc to 8 for HDMI output\n"); |
1496 | desired_bpp = 8*3; | |
e64e739e VS |
1497 | |
1498 | pipe_config->port_clock = clock_8bpc; | |
e29c22c0 DV |
1499 | } |
1500 | ||
1501 | if (!pipe_config->bw_constrained) { | |
b64b7a60 | 1502 | DRM_DEBUG_KMS("forcing pipe bpp to %i for HDMI\n", desired_bpp); |
e29c22c0 | 1503 | pipe_config->pipe_bpp = desired_bpp; |
4e53c2e0 DV |
1504 | } |
1505 | ||
e64e739e | 1506 | if (hdmi_port_clock_valid(intel_hdmi, pipe_config->port_clock, |
7a5ca19f | 1507 | false, force_dvi) != MODE_OK) { |
e64e739e | 1508 | DRM_DEBUG_KMS("unsupported HDMI clock, rejecting mode\n"); |
325b9d04 DV |
1509 | return false; |
1510 | } | |
1511 | ||
28b468a0 | 1512 | /* Set user selected PAR to incoming mode's member */ |
0e9f25d0 | 1513 | adjusted_mode->picture_aspect_ratio = conn_state->picture_aspect_ratio; |
28b468a0 | 1514 | |
d4d6279a ACO |
1515 | pipe_config->lane_count = 4; |
1516 | ||
9672a69c RV |
1517 | if (scdc->scrambling.supported && (INTEL_GEN(dev_priv) >= 10 || |
1518 | IS_GEMINILAKE(dev_priv))) { | |
15953637 SS |
1519 | if (scdc->scrambling.low_rates) |
1520 | pipe_config->hdmi_scrambling = true; | |
1521 | ||
1522 | if (pipe_config->port_clock > 340000) { | |
1523 | pipe_config->hdmi_scrambling = true; | |
1524 | pipe_config->hdmi_high_tmds_clock_ratio = true; | |
1525 | } | |
1526 | } | |
1527 | ||
7d57382e EA |
1528 | return true; |
1529 | } | |
1530 | ||
953ece69 CW |
1531 | static void |
1532 | intel_hdmi_unset_edid(struct drm_connector *connector) | |
9dff6af8 | 1533 | { |
df0e9248 | 1534 | struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); |
9dff6af8 | 1535 | |
953ece69 CW |
1536 | intel_hdmi->has_hdmi_sink = false; |
1537 | intel_hdmi->has_audio = false; | |
1538 | intel_hdmi->rgb_quant_range_selectable = false; | |
1539 | ||
b1ba124d VS |
1540 | intel_hdmi->dp_dual_mode.type = DRM_DP_DUAL_MODE_NONE; |
1541 | intel_hdmi->dp_dual_mode.max_tmds_clock = 0; | |
1542 | ||
953ece69 CW |
1543 | kfree(to_intel_connector(connector)->detect_edid); |
1544 | to_intel_connector(connector)->detect_edid = NULL; | |
1545 | } | |
1546 | ||
b1ba124d | 1547 | static void |
d6199256 | 1548 | intel_hdmi_dp_dual_mode_detect(struct drm_connector *connector, bool has_edid) |
b1ba124d VS |
1549 | { |
1550 | struct drm_i915_private *dev_priv = to_i915(connector->dev); | |
1551 | struct intel_hdmi *hdmi = intel_attached_hdmi(connector); | |
8f4f2797 | 1552 | enum port port = hdmi_to_dig_port(hdmi)->base.port; |
b1ba124d VS |
1553 | struct i2c_adapter *adapter = |
1554 | intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus); | |
1555 | enum drm_dp_dual_mode_type type = drm_dp_dual_mode_detect(adapter); | |
1556 | ||
d6199256 VS |
1557 | /* |
1558 | * Type 1 DVI adaptors are not required to implement any | |
1559 | * registers, so we can't always detect their presence. | |
1560 | * Ideally we should be able to check the state of the | |
1561 | * CONFIG1 pin, but no such luck on our hardware. | |
1562 | * | |
1563 | * The only method left to us is to check the VBT to see | |
1564 | * if the port is a dual mode capable DP port. But let's | |
1565 | * only do that when we sucesfully read the EDID, to avoid | |
1566 | * confusing log messages about DP dual mode adaptors when | |
1567 | * there's nothing connected to the port. | |
1568 | */ | |
1569 | if (type == DRM_DP_DUAL_MODE_UNKNOWN) { | |
1570 | if (has_edid && | |
1571 | intel_bios_is_port_dp_dual_mode(dev_priv, port)) { | |
1572 | DRM_DEBUG_KMS("Assuming DP dual mode adaptor presence based on VBT\n"); | |
1573 | type = DRM_DP_DUAL_MODE_TYPE1_DVI; | |
1574 | } else { | |
1575 | type = DRM_DP_DUAL_MODE_NONE; | |
1576 | } | |
1577 | } | |
1578 | ||
1579 | if (type == DRM_DP_DUAL_MODE_NONE) | |
b1ba124d VS |
1580 | return; |
1581 | ||
1582 | hdmi->dp_dual_mode.type = type; | |
1583 | hdmi->dp_dual_mode.max_tmds_clock = | |
1584 | drm_dp_dual_mode_max_tmds_clock(type, adapter); | |
1585 | ||
1586 | DRM_DEBUG_KMS("DP dual mode adaptor (%s) detected (max TMDS clock: %d kHz)\n", | |
1587 | drm_dp_get_dual_mode_type_name(type), | |
1588 | hdmi->dp_dual_mode.max_tmds_clock); | |
1589 | } | |
1590 | ||
953ece69 | 1591 | static bool |
23f889bd | 1592 | intel_hdmi_set_edid(struct drm_connector *connector) |
953ece69 CW |
1593 | { |
1594 | struct drm_i915_private *dev_priv = to_i915(connector->dev); | |
1595 | struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector); | |
23f889bd | 1596 | struct edid *edid; |
953ece69 | 1597 | bool connected = false; |
90024a59 | 1598 | struct i2c_adapter *i2c; |
164c8598 | 1599 | |
23f889bd | 1600 | intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS); |
671dedd2 | 1601 | |
90024a59 SB |
1602 | i2c = intel_gmbus_get_adapter(dev_priv, intel_hdmi->ddc_bus); |
1603 | ||
1604 | edid = drm_get_edid(connector, i2c); | |
1605 | ||
1606 | if (!edid && !intel_gmbus_is_forced_bit(i2c)) { | |
1607 | DRM_DEBUG_KMS("HDMI GMBUS EDID read failed, retry using GPIO bit-banging\n"); | |
1608 | intel_gmbus_force_bit(i2c, true); | |
1609 | edid = drm_get_edid(connector, i2c); | |
1610 | intel_gmbus_force_bit(i2c, false); | |
1611 | } | |
2ded9e27 | 1612 | |
23f889bd | 1613 | intel_hdmi_dp_dual_mode_detect(connector, edid != NULL); |
b1ba124d | 1614 | |
23f889bd | 1615 | intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS); |
30ad48b7 | 1616 | |
953ece69 CW |
1617 | to_intel_connector(connector)->detect_edid = edid; |
1618 | if (edid && edid->input & DRM_EDID_INPUT_DIGITAL) { | |
1619 | intel_hdmi->rgb_quant_range_selectable = | |
1620 | drm_rgb_quant_range_selectable(edid); | |
1621 | ||
1622 | intel_hdmi->has_audio = drm_detect_monitor_audio(edid); | |
7a5ca19f | 1623 | intel_hdmi->has_hdmi_sink = drm_detect_hdmi_monitor(edid); |
953ece69 CW |
1624 | |
1625 | connected = true; | |
55b7d6e8 CW |
1626 | } |
1627 | ||
953ece69 CW |
1628 | return connected; |
1629 | } | |
1630 | ||
8166fcea DV |
1631 | static enum drm_connector_status |
1632 | intel_hdmi_detect(struct drm_connector *connector, bool force) | |
953ece69 | 1633 | { |
8166fcea | 1634 | enum drm_connector_status status; |
8166fcea | 1635 | struct drm_i915_private *dev_priv = to_i915(connector->dev); |
953ece69 | 1636 | |
8166fcea DV |
1637 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1638 | connector->base.id, connector->name); | |
1639 | ||
29bb94bb ID |
1640 | intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS); |
1641 | ||
8166fcea | 1642 | intel_hdmi_unset_edid(connector); |
0b5e88dc | 1643 | |
7e732cac | 1644 | if (intel_hdmi_set_edid(connector)) |
953ece69 | 1645 | status = connector_status_connected; |
7e732cac | 1646 | else |
953ece69 | 1647 | status = connector_status_disconnected; |
671dedd2 | 1648 | |
29bb94bb ID |
1649 | intel_display_power_put(dev_priv, POWER_DOMAIN_GMBUS); |
1650 | ||
2ded9e27 | 1651 | return status; |
7d57382e EA |
1652 | } |
1653 | ||
953ece69 CW |
1654 | static void |
1655 | intel_hdmi_force(struct drm_connector *connector) | |
7d57382e | 1656 | { |
953ece69 CW |
1657 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1658 | connector->base.id, connector->name); | |
7d57382e | 1659 | |
953ece69 | 1660 | intel_hdmi_unset_edid(connector); |
671dedd2 | 1661 | |
953ece69 CW |
1662 | if (connector->status != connector_status_connected) |
1663 | return; | |
671dedd2 | 1664 | |
23f889bd | 1665 | intel_hdmi_set_edid(connector); |
953ece69 | 1666 | } |
671dedd2 | 1667 | |
953ece69 CW |
1668 | static int intel_hdmi_get_modes(struct drm_connector *connector) |
1669 | { | |
1670 | struct edid *edid; | |
1671 | ||
1672 | edid = to_intel_connector(connector)->detect_edid; | |
1673 | if (edid == NULL) | |
1674 | return 0; | |
671dedd2 | 1675 | |
953ece69 | 1676 | return intel_connector_update_modes(connector, edid); |
7d57382e EA |
1677 | } |
1678 | ||
fd6bbda9 | 1679 | static void intel_hdmi_pre_enable(struct intel_encoder *encoder, |
5f88a9c6 VS |
1680 | const struct intel_crtc_state *pipe_config, |
1681 | const struct drm_connector_state *conn_state) | |
13732ba7 | 1682 | { |
f99be1b3 VS |
1683 | struct intel_digital_port *intel_dig_port = |
1684 | enc_to_dig_port(&encoder->base); | |
13732ba7 | 1685 | |
ac240288 | 1686 | intel_hdmi_prepare(encoder, pipe_config); |
4cde8a21 | 1687 | |
f99be1b3 VS |
1688 | intel_dig_port->set_infoframes(&encoder->base, |
1689 | pipe_config->has_infoframe, | |
1690 | pipe_config, conn_state); | |
13732ba7 JB |
1691 | } |
1692 | ||
fd6bbda9 | 1693 | static void vlv_hdmi_pre_enable(struct intel_encoder *encoder, |
5f88a9c6 VS |
1694 | const struct intel_crtc_state *pipe_config, |
1695 | const struct drm_connector_state *conn_state) | |
89b667f8 JB |
1696 | { |
1697 | struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); | |
2e1029c6 | 1698 | struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); |
5f68c275 | 1699 | |
2e1029c6 | 1700 | vlv_phy_pre_encoder_enable(encoder, pipe_config); |
b76cf76b | 1701 | |
53d98725 ACO |
1702 | /* HDMI 1.0V-2dB */ |
1703 | vlv_set_phy_signal_level(encoder, 0x2b245f5f, 0x00002000, 0x5578b83a, | |
1704 | 0x2b247878); | |
1705 | ||
f99be1b3 VS |
1706 | dport->set_infoframes(&encoder->base, |
1707 | pipe_config->has_infoframe, | |
1708 | pipe_config, conn_state); | |
13732ba7 | 1709 | |
fd6bbda9 | 1710 | g4x_enable_hdmi(encoder, pipe_config, conn_state); |
b76cf76b | 1711 | |
9b6de0a1 | 1712 | vlv_wait_port_ready(dev_priv, dport, 0x0); |
89b667f8 JB |
1713 | } |
1714 | ||
fd6bbda9 | 1715 | static void vlv_hdmi_pre_pll_enable(struct intel_encoder *encoder, |
5f88a9c6 VS |
1716 | const struct intel_crtc_state *pipe_config, |
1717 | const struct drm_connector_state *conn_state) | |
89b667f8 | 1718 | { |
ac240288 | 1719 | intel_hdmi_prepare(encoder, pipe_config); |
4cde8a21 | 1720 | |
2e1029c6 | 1721 | vlv_phy_pre_pll_enable(encoder, pipe_config); |
89b667f8 JB |
1722 | } |
1723 | ||
fd6bbda9 | 1724 | static void chv_hdmi_pre_pll_enable(struct intel_encoder *encoder, |
5f88a9c6 VS |
1725 | const struct intel_crtc_state *pipe_config, |
1726 | const struct drm_connector_state *conn_state) | |
9197c88b | 1727 | { |
ac240288 | 1728 | intel_hdmi_prepare(encoder, pipe_config); |
625695f8 | 1729 | |
2e1029c6 | 1730 | chv_phy_pre_pll_enable(encoder, pipe_config); |
9197c88b VS |
1731 | } |
1732 | ||
fd6bbda9 | 1733 | static void chv_hdmi_post_pll_disable(struct intel_encoder *encoder, |
5f88a9c6 VS |
1734 | const struct intel_crtc_state *old_crtc_state, |
1735 | const struct drm_connector_state *old_conn_state) | |
d6db995f | 1736 | { |
2e1029c6 | 1737 | chv_phy_post_pll_disable(encoder, old_crtc_state); |
d6db995f VS |
1738 | } |
1739 | ||
fd6bbda9 | 1740 | static void vlv_hdmi_post_disable(struct intel_encoder *encoder, |
5f88a9c6 VS |
1741 | const struct intel_crtc_state *old_crtc_state, |
1742 | const struct drm_connector_state *old_conn_state) | |
89b667f8 | 1743 | { |
89b667f8 | 1744 | /* Reset lanes to avoid HDMI flicker (VLV w/a) */ |
2e1029c6 | 1745 | vlv_phy_reset_lanes(encoder, old_crtc_state); |
89b667f8 JB |
1746 | } |
1747 | ||
fd6bbda9 | 1748 | static void chv_hdmi_post_disable(struct intel_encoder *encoder, |
5f88a9c6 VS |
1749 | const struct intel_crtc_state *old_crtc_state, |
1750 | const struct drm_connector_state *old_conn_state) | |
580d3811 | 1751 | { |
580d3811 | 1752 | struct drm_device *dev = encoder->base.dev; |
fac5e23e | 1753 | struct drm_i915_private *dev_priv = to_i915(dev); |
580d3811 | 1754 | |
a580516d | 1755 | mutex_lock(&dev_priv->sb_lock); |
580d3811 | 1756 | |
a8f327fb | 1757 | /* Assert data lane reset */ |
2e1029c6 | 1758 | chv_data_lane_soft_reset(encoder, old_crtc_state, true); |
580d3811 | 1759 | |
a580516d | 1760 | mutex_unlock(&dev_priv->sb_lock); |
580d3811 VS |
1761 | } |
1762 | ||
fd6bbda9 | 1763 | static void chv_hdmi_pre_enable(struct intel_encoder *encoder, |
5f88a9c6 VS |
1764 | const struct intel_crtc_state *pipe_config, |
1765 | const struct drm_connector_state *conn_state) | |
e4a1d846 CML |
1766 | { |
1767 | struct intel_digital_port *dport = enc_to_dig_port(&encoder->base); | |
1768 | struct drm_device *dev = encoder->base.dev; | |
fac5e23e | 1769 | struct drm_i915_private *dev_priv = to_i915(dev); |
2e523e98 | 1770 | |
2e1029c6 | 1771 | chv_phy_pre_encoder_enable(encoder, pipe_config); |
a02ef3c7 | 1772 | |
e4a1d846 CML |
1773 | /* FIXME: Program the support xxx V-dB */ |
1774 | /* Use 800mV-0dB */ | |
b7fa22d8 | 1775 | chv_set_phy_signal_level(encoder, 128, 102, false); |
e4a1d846 | 1776 | |
f99be1b3 VS |
1777 | dport->set_infoframes(&encoder->base, |
1778 | pipe_config->has_infoframe, | |
1779 | pipe_config, conn_state); | |
b4eb1564 | 1780 | |
fd6bbda9 | 1781 | g4x_enable_hdmi(encoder, pipe_config, conn_state); |
e4a1d846 | 1782 | |
9b6de0a1 | 1783 | vlv_wait_port_ready(dev_priv, dport, 0x0); |
b0b33846 VS |
1784 | |
1785 | /* Second common lane will stay alive on its own now */ | |
e7d2a717 | 1786 | chv_phy_release_cl2_override(encoder); |
e4a1d846 CML |
1787 | } |
1788 | ||
7d57382e EA |
1789 | static void intel_hdmi_destroy(struct drm_connector *connector) |
1790 | { | |
10e972d3 | 1791 | kfree(to_intel_connector(connector)->detect_edid); |
7d57382e | 1792 | drm_connector_cleanup(connector); |
674e2d08 | 1793 | kfree(connector); |
7d57382e EA |
1794 | } |
1795 | ||
7d57382e | 1796 | static const struct drm_connector_funcs intel_hdmi_connector_funcs = { |
7d57382e | 1797 | .detect = intel_hdmi_detect, |
953ece69 | 1798 | .force = intel_hdmi_force, |
7d57382e | 1799 | .fill_modes = drm_helper_probe_single_connector_modes, |
7a5ca19f ML |
1800 | .atomic_get_property = intel_digital_connector_atomic_get_property, |
1801 | .atomic_set_property = intel_digital_connector_atomic_set_property, | |
1ebaa0b9 | 1802 | .late_register = intel_connector_register, |
c191eca1 | 1803 | .early_unregister = intel_connector_unregister, |
7d57382e | 1804 | .destroy = intel_hdmi_destroy, |
c6f95f27 | 1805 | .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, |
7a5ca19f | 1806 | .atomic_duplicate_state = intel_digital_connector_duplicate_state, |
7d57382e EA |
1807 | }; |
1808 | ||
1809 | static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = { | |
1810 | .get_modes = intel_hdmi_get_modes, | |
1811 | .mode_valid = intel_hdmi_mode_valid, | |
7a5ca19f | 1812 | .atomic_check = intel_digital_connector_atomic_check, |
7d57382e EA |
1813 | }; |
1814 | ||
7d57382e | 1815 | static const struct drm_encoder_funcs intel_hdmi_enc_funcs = { |
ea5b213a | 1816 | .destroy = intel_encoder_destroy, |
7d57382e EA |
1817 | }; |
1818 | ||
55b7d6e8 CW |
1819 | static void |
1820 | intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *connector) | |
1821 | { | |
3f43c48d | 1822 | intel_attach_force_audio_property(connector); |
e953fd7b | 1823 | intel_attach_broadcast_rgb_property(connector); |
94a11ddc | 1824 | intel_attach_aspect_ratio_property(connector); |
0e9f25d0 | 1825 | connector->state->picture_aspect_ratio = HDMI_PICTURE_ASPECT_NONE; |
55b7d6e8 CW |
1826 | } |
1827 | ||
15953637 SS |
1828 | /* |
1829 | * intel_hdmi_handle_sink_scrambling: handle sink scrambling/clock ratio setup | |
1830 | * @encoder: intel_encoder | |
1831 | * @connector: drm_connector | |
1832 | * @high_tmds_clock_ratio = bool to indicate if the function needs to set | |
1833 | * or reset the high tmds clock ratio for scrambling | |
1834 | * @scrambling: bool to Indicate if the function needs to set or reset | |
1835 | * sink scrambling | |
1836 | * | |
1837 | * This function handles scrambling on HDMI 2.0 capable sinks. | |
1838 | * If required clock rate is > 340 Mhz && scrambling is supported by sink | |
1839 | * it enables scrambling. This should be called before enabling the HDMI | |
1840 | * 2.0 port, as the sink can choose to disable the scrambling if it doesn't | |
1841 | * detect a scrambled clock within 100 ms. | |
1842 | */ | |
1843 | void intel_hdmi_handle_sink_scrambling(struct intel_encoder *encoder, | |
1844 | struct drm_connector *connector, | |
1845 | bool high_tmds_clock_ratio, | |
1846 | bool scrambling) | |
1847 | { | |
1848 | struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base); | |
1849 | struct drm_i915_private *dev_priv = connector->dev->dev_private; | |
1850 | struct drm_scrambling *sink_scrambling = | |
1851 | &connector->display_info.hdmi.scdc.scrambling; | |
1852 | struct i2c_adapter *adptr = intel_gmbus_get_adapter(dev_priv, | |
1853 | intel_hdmi->ddc_bus); | |
1854 | bool ret; | |
1855 | ||
1856 | if (!sink_scrambling->supported) | |
1857 | return; | |
1858 | ||
1859 | DRM_DEBUG_KMS("Setting sink scrambling for enc:%s connector:%s\n", | |
1860 | encoder->base.name, connector->name); | |
1861 | ||
1862 | /* Set TMDS bit clock ratio to 1/40 or 1/10 */ | |
1863 | ret = drm_scdc_set_high_tmds_clock_ratio(adptr, high_tmds_clock_ratio); | |
1864 | if (!ret) { | |
1865 | DRM_ERROR("Set TMDS ratio failed\n"); | |
1866 | return; | |
1867 | } | |
1868 | ||
1869 | /* Enable/disable sink scrambling */ | |
1870 | ret = drm_scdc_set_scrambling(adptr, scrambling); | |
1871 | if (!ret) { | |
1872 | DRM_ERROR("Set sink scrambling failed\n"); | |
1873 | return; | |
1874 | } | |
1875 | ||
1876 | DRM_DEBUG_KMS("sink scrambling handled\n"); | |
1877 | } | |
1878 | ||
cec3bb01 | 1879 | static u8 chv_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) |
e4ab73a1 | 1880 | { |
e4ab73a1 VS |
1881 | u8 ddc_pin; |
1882 | ||
cec3bb01 AS |
1883 | switch (port) { |
1884 | case PORT_B: | |
1885 | ddc_pin = GMBUS_PIN_DPB; | |
1886 | break; | |
1887 | case PORT_C: | |
1888 | ddc_pin = GMBUS_PIN_DPC; | |
1889 | break; | |
1890 | case PORT_D: | |
1891 | ddc_pin = GMBUS_PIN_DPD_CHV; | |
1892 | break; | |
1893 | default: | |
1894 | MISSING_CASE(port); | |
1895 | ddc_pin = GMBUS_PIN_DPB; | |
1896 | break; | |
e4ab73a1 | 1897 | } |
cec3bb01 AS |
1898 | return ddc_pin; |
1899 | } | |
1900 | ||
1901 | static u8 bxt_port_to_ddc_pin(struct drm_i915_private *dev_priv, enum port port) | |
1902 | { | |
1903 | u8 ddc_pin; | |
e4ab73a1 VS |
1904 | |
1905 | switch (port) { | |
1906 | case PORT_B: | |
cec3bb01 | 1907 | ddc_pin = GMBUS_PIN_1_BXT; |
e4ab73a1 VS |
1908 | break; |
1909 | case PORT_C: | |
cec3bb01 AS |
1910 | ddc_pin = GMBUS_PIN_2_BXT; |
1911 | break; | |
1912 | default: | |
1913 | MISSING_CASE(port); | |
1914 | ddc_pin = GMBUS_PIN_1_BXT; | |
1915 | break; | |
1916 | } | |
1917 | return ddc_pin; | |
1918 | } | |
1919 | ||
1920 | static u8 cnp_port_to_ddc_pin(struct drm_i915_private *dev_priv, | |
1921 | enum port port) | |
1922 | { | |
1923 | u8 ddc_pin; | |
1924 | ||
1925 | switch (port) { | |
1926 | case PORT_B: | |
1927 | ddc_pin = GMBUS_PIN_1_BXT; | |
1928 | break; | |
1929 | case PORT_C: | |
1930 | ddc_pin = GMBUS_PIN_2_BXT; | |
e4ab73a1 VS |
1931 | break; |
1932 | case PORT_D: | |
cec3bb01 AS |
1933 | ddc_pin = GMBUS_PIN_4_CNP; |
1934 | break; | |
1935 | default: | |
1936 | MISSING_CASE(port); | |
1937 | ddc_pin = GMBUS_PIN_1_BXT; | |
1938 | break; | |
1939 | } | |
1940 | return ddc_pin; | |
1941 | } | |
1942 | ||
1943 | static u8 g4x_port_to_ddc_pin(struct drm_i915_private *dev_priv, | |
1944 | enum port port) | |
1945 | { | |
1946 | u8 ddc_pin; | |
1947 | ||
1948 | switch (port) { | |
1949 | case PORT_B: | |
1950 | ddc_pin = GMBUS_PIN_DPB; | |
1951 | break; | |
1952 | case PORT_C: | |
1953 | ddc_pin = GMBUS_PIN_DPC; | |
1954 | break; | |
1955 | case PORT_D: | |
1956 | ddc_pin = GMBUS_PIN_DPD; | |
e4ab73a1 VS |
1957 | break; |
1958 | default: | |
1959 | MISSING_CASE(port); | |
1960 | ddc_pin = GMBUS_PIN_DPB; | |
1961 | break; | |
1962 | } | |
cec3bb01 AS |
1963 | return ddc_pin; |
1964 | } | |
1965 | ||
1966 | static u8 intel_hdmi_ddc_pin(struct drm_i915_private *dev_priv, | |
1967 | enum port port) | |
1968 | { | |
1969 | const struct ddi_vbt_port_info *info = | |
1970 | &dev_priv->vbt.ddi_port_info[port]; | |
1971 | u8 ddc_pin; | |
1972 | ||
1973 | if (info->alternate_ddc_pin) { | |
1974 | DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (VBT)\n", | |
1975 | info->alternate_ddc_pin, port_name(port)); | |
1976 | return info->alternate_ddc_pin; | |
1977 | } | |
1978 | ||
1979 | if (IS_CHERRYVIEW(dev_priv)) | |
1980 | ddc_pin = chv_port_to_ddc_pin(dev_priv, port); | |
1981 | else if (IS_GEN9_LP(dev_priv)) | |
1982 | ddc_pin = bxt_port_to_ddc_pin(dev_priv, port); | |
1983 | else if (HAS_PCH_CNP(dev_priv)) | |
1984 | ddc_pin = cnp_port_to_ddc_pin(dev_priv, port); | |
1985 | else | |
1986 | ddc_pin = g4x_port_to_ddc_pin(dev_priv, port); | |
e4ab73a1 VS |
1987 | |
1988 | DRM_DEBUG_KMS("Using DDC pin 0x%x for port %c (platform default)\n", | |
1989 | ddc_pin, port_name(port)); | |
1990 | ||
1991 | return ddc_pin; | |
1992 | } | |
1993 | ||
385e4de0 VS |
1994 | void intel_infoframe_init(struct intel_digital_port *intel_dig_port) |
1995 | { | |
1996 | struct drm_i915_private *dev_priv = | |
1997 | to_i915(intel_dig_port->base.base.dev); | |
1998 | ||
1999 | if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { | |
2000 | intel_dig_port->write_infoframe = vlv_write_infoframe; | |
2001 | intel_dig_port->set_infoframes = vlv_set_infoframes; | |
2002 | intel_dig_port->infoframe_enabled = vlv_infoframe_enabled; | |
2003 | } else if (IS_G4X(dev_priv)) { | |
2004 | intel_dig_port->write_infoframe = g4x_write_infoframe; | |
2005 | intel_dig_port->set_infoframes = g4x_set_infoframes; | |
2006 | intel_dig_port->infoframe_enabled = g4x_infoframe_enabled; | |
2007 | } else if (HAS_DDI(dev_priv)) { | |
2008 | intel_dig_port->write_infoframe = hsw_write_infoframe; | |
2009 | intel_dig_port->set_infoframes = hsw_set_infoframes; | |
2010 | intel_dig_port->infoframe_enabled = hsw_infoframe_enabled; | |
2011 | } else if (HAS_PCH_IBX(dev_priv)) { | |
2012 | intel_dig_port->write_infoframe = ibx_write_infoframe; | |
2013 | intel_dig_port->set_infoframes = ibx_set_infoframes; | |
2014 | intel_dig_port->infoframe_enabled = ibx_infoframe_enabled; | |
2015 | } else { | |
2016 | intel_dig_port->write_infoframe = cpt_write_infoframe; | |
2017 | intel_dig_port->set_infoframes = cpt_set_infoframes; | |
2018 | intel_dig_port->infoframe_enabled = cpt_infoframe_enabled; | |
2019 | } | |
2020 | } | |
2021 | ||
00c09d70 PZ |
2022 | void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, |
2023 | struct intel_connector *intel_connector) | |
7d57382e | 2024 | { |
b9cb234c PZ |
2025 | struct drm_connector *connector = &intel_connector->base; |
2026 | struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; | |
2027 | struct intel_encoder *intel_encoder = &intel_dig_port->base; | |
2028 | struct drm_device *dev = intel_encoder->base.dev; | |
fac5e23e | 2029 | struct drm_i915_private *dev_priv = to_i915(dev); |
8f4f2797 | 2030 | enum port port = intel_encoder->port; |
373a3cf7 | 2031 | |
22f35042 VS |
2032 | DRM_DEBUG_KMS("Adding HDMI connector on port %c\n", |
2033 | port_name(port)); | |
2034 | ||
ccb1a831 VS |
2035 | if (WARN(intel_dig_port->max_lanes < 4, |
2036 | "Not enough lanes (%d) for HDMI on port %c\n", | |
2037 | intel_dig_port->max_lanes, port_name(port))) | |
2038 | return; | |
2039 | ||
7d57382e | 2040 | drm_connector_init(dev, connector, &intel_hdmi_connector_funcs, |
8d91104a | 2041 | DRM_MODE_CONNECTOR_HDMIA); |
7d57382e EA |
2042 | drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs); |
2043 | ||
c3febcc4 | 2044 | connector->interlace_allowed = 1; |
7d57382e | 2045 | connector->doublescan_allowed = 0; |
573e74ad | 2046 | connector->stereo_allowed = 1; |
66a9278e | 2047 | |
9672a69c | 2048 | if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)) |
eadc2e51 SS |
2049 | connector->ycbcr_420_allowed = true; |
2050 | ||
e4ab73a1 VS |
2051 | intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port); |
2052 | ||
f761bef2 | 2053 | if (WARN_ON(port == PORT_A)) |
e4ab73a1 | 2054 | return; |
f761bef2 | 2055 | intel_encoder->hpd_pin = intel_hpd_pin(port); |
7d57382e | 2056 | |
4f8036a2 | 2057 | if (HAS_DDI(dev_priv)) |
bcbc889b PZ |
2058 | intel_connector->get_hw_state = intel_ddi_connector_get_hw_state; |
2059 | else | |
2060 | intel_connector->get_hw_state = intel_connector_get_hw_state; | |
b9cb234c PZ |
2061 | |
2062 | intel_hdmi_add_properties(intel_hdmi, connector); | |
2063 | ||
2064 | intel_connector_attach_encoder(intel_connector, intel_encoder); | |
d8b4c43a | 2065 | intel_hdmi->attached_connector = intel_connector; |
b9cb234c PZ |
2066 | |
2067 | /* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written | |
2068 | * 0xd. Failure to do so will result in spurious interrupts being | |
2069 | * generated on the port when a cable is not attached. | |
2070 | */ | |
50a0bc90 | 2071 | if (IS_G4X(dev_priv) && !IS_GM45(dev_priv)) { |
b9cb234c PZ |
2072 | u32 temp = I915_READ(PEG_BAND_GAP_DATA); |
2073 | I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd); | |
2074 | } | |
2075 | } | |
2076 | ||
c39055b0 | 2077 | void intel_hdmi_init(struct drm_i915_private *dev_priv, |
f0f59a00 | 2078 | i915_reg_t hdmi_reg, enum port port) |
b9cb234c PZ |
2079 | { |
2080 | struct intel_digital_port *intel_dig_port; | |
2081 | struct intel_encoder *intel_encoder; | |
b9cb234c PZ |
2082 | struct intel_connector *intel_connector; |
2083 | ||
b14c5679 | 2084 | intel_dig_port = kzalloc(sizeof(*intel_dig_port), GFP_KERNEL); |
b9cb234c PZ |
2085 | if (!intel_dig_port) |
2086 | return; | |
2087 | ||
08d9bc92 | 2088 | intel_connector = intel_connector_alloc(); |
b9cb234c PZ |
2089 | if (!intel_connector) { |
2090 | kfree(intel_dig_port); | |
2091 | return; | |
2092 | } | |
2093 | ||
2094 | intel_encoder = &intel_dig_port->base; | |
b9cb234c | 2095 | |
c39055b0 ACO |
2096 | drm_encoder_init(&dev_priv->drm, &intel_encoder->base, |
2097 | &intel_hdmi_enc_funcs, DRM_MODE_ENCODER_TMDS, | |
2098 | "HDMI %c", port_name(port)); | |
00c09d70 | 2099 | |
5bfe2ac0 | 2100 | intel_encoder->compute_config = intel_hdmi_compute_config; |
6e266956 | 2101 | if (HAS_PCH_SPLIT(dev_priv)) { |
a4790cec VS |
2102 | intel_encoder->disable = pch_disable_hdmi; |
2103 | intel_encoder->post_disable = pch_post_disable_hdmi; | |
2104 | } else { | |
2105 | intel_encoder->disable = g4x_disable_hdmi; | |
2106 | } | |
00c09d70 | 2107 | intel_encoder->get_hw_state = intel_hdmi_get_hw_state; |
045ac3b5 | 2108 | intel_encoder->get_config = intel_hdmi_get_config; |
920a14b2 | 2109 | if (IS_CHERRYVIEW(dev_priv)) { |
9197c88b | 2110 | intel_encoder->pre_pll_enable = chv_hdmi_pre_pll_enable; |
e4a1d846 CML |
2111 | intel_encoder->pre_enable = chv_hdmi_pre_enable; |
2112 | intel_encoder->enable = vlv_enable_hdmi; | |
580d3811 | 2113 | intel_encoder->post_disable = chv_hdmi_post_disable; |
d6db995f | 2114 | intel_encoder->post_pll_disable = chv_hdmi_post_pll_disable; |
11a914c2 | 2115 | } else if (IS_VALLEYVIEW(dev_priv)) { |
9514ac6e CML |
2116 | intel_encoder->pre_pll_enable = vlv_hdmi_pre_pll_enable; |
2117 | intel_encoder->pre_enable = vlv_hdmi_pre_enable; | |
b76cf76b | 2118 | intel_encoder->enable = vlv_enable_hdmi; |
9514ac6e | 2119 | intel_encoder->post_disable = vlv_hdmi_post_disable; |
b76cf76b | 2120 | } else { |
13732ba7 | 2121 | intel_encoder->pre_enable = intel_hdmi_pre_enable; |
6e266956 | 2122 | if (HAS_PCH_CPT(dev_priv)) |
d1b1589c | 2123 | intel_encoder->enable = cpt_enable_hdmi; |
6e266956 | 2124 | else if (HAS_PCH_IBX(dev_priv)) |
bf868c7d | 2125 | intel_encoder->enable = ibx_enable_hdmi; |
d1b1589c | 2126 | else |
bf868c7d | 2127 | intel_encoder->enable = g4x_enable_hdmi; |
89b667f8 | 2128 | } |
5ab432ef | 2129 | |
b9cb234c | 2130 | intel_encoder->type = INTEL_OUTPUT_HDMI; |
79f255a0 | 2131 | intel_encoder->power_domain = intel_port_to_power_domain(port); |
03cdc1d4 | 2132 | intel_encoder->port = port; |
920a14b2 | 2133 | if (IS_CHERRYVIEW(dev_priv)) { |
882ec384 VS |
2134 | if (port == PORT_D) |
2135 | intel_encoder->crtc_mask = 1 << 2; | |
2136 | else | |
2137 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1); | |
2138 | } else { | |
2139 | intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); | |
2140 | } | |
301ea74a | 2141 | intel_encoder->cloneable = 1 << INTEL_OUTPUT_ANALOG; |
c6f1495d VS |
2142 | /* |
2143 | * BSpec is unclear about HDMI+HDMI cloning on g4x, but it seems | |
2144 | * to work on real hardware. And since g4x can send infoframes to | |
2145 | * only one port anyway, nothing is lost by allowing it. | |
2146 | */ | |
9beb5fea | 2147 | if (IS_G4X(dev_priv)) |
c6f1495d | 2148 | intel_encoder->cloneable |= 1 << INTEL_OUTPUT_HDMI; |
7d57382e | 2149 | |
b242b7f7 | 2150 | intel_dig_port->hdmi.hdmi_reg = hdmi_reg; |
f0f59a00 | 2151 | intel_dig_port->dp.output_reg = INVALID_MMIO_REG; |
ccb1a831 | 2152 | intel_dig_port->max_lanes = 4; |
55b7d6e8 | 2153 | |
385e4de0 VS |
2154 | intel_infoframe_init(intel_dig_port); |
2155 | ||
b9cb234c | 2156 | intel_hdmi_init_connector(intel_dig_port, intel_connector); |
7d57382e | 2157 | } |