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path: root/drivers/gpu/drm/i915/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c84
1 files changed, 21 insertions, 63 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 002612fae717..45da78ef4a92 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -70,8 +70,6 @@ struct intel_limit {
70 intel_p2_t p2; 70 intel_p2_t p2;
71 bool (* find_pll)(const intel_limit_t *, struct drm_crtc *, 71 bool (* find_pll)(const intel_limit_t *, struct drm_crtc *,
72 int, int, intel_clock_t *); 72 int, int, intel_clock_t *);
73 bool (* find_reduced_pll)(const intel_limit_t *, struct drm_crtc *,
74 int, int, intel_clock_t *);
75}; 73};
76 74
77#define I8XX_DOT_MIN 25000 75#define I8XX_DOT_MIN 25000
@@ -243,11 +241,11 @@ struct intel_limit {
243#define IRONLAKE_VCO_MIN 1760000 241#define IRONLAKE_VCO_MIN 1760000
244#define IRONLAKE_VCO_MAX 3510000 242#define IRONLAKE_VCO_MAX 3510000
245#define IRONLAKE_N_MIN 1 243#define IRONLAKE_N_MIN 1
246#define IRONLAKE_N_MAX 5 244#define IRONLAKE_N_MAX 6
247#define IRONLAKE_M_MIN 79 245#define IRONLAKE_M_MIN 79
248#define IRONLAKE_M_MAX 118 246#define IRONLAKE_M_MAX 127
249#define IRONLAKE_M1_MIN 12 247#define IRONLAKE_M1_MIN 12
250#define IRONLAKE_M1_MAX 23 248#define IRONLAKE_M1_MAX 22
251#define IRONLAKE_M2_MIN 5 249#define IRONLAKE_M2_MIN 5
252#define IRONLAKE_M2_MAX 9 250#define IRONLAKE_M2_MAX 9
253#define IRONLAKE_P_SDVO_DAC_MIN 5 251#define IRONLAKE_P_SDVO_DAC_MIN 5
@@ -274,9 +272,6 @@ static bool
274intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, 272intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
275 int target, int refclk, intel_clock_t *best_clock); 273 int target, int refclk, intel_clock_t *best_clock);
276static bool 274static bool
277intel_find_best_reduced_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
278 int target, int refclk, intel_clock_t *best_clock);
279static bool
280intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, 275intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
281 int target, int refclk, intel_clock_t *best_clock); 276 int target, int refclk, intel_clock_t *best_clock);
282 277
@@ -299,7 +294,6 @@ static const intel_limit_t intel_limits_i8xx_dvo = {
299 .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT, 294 .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT,
300 .p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST }, 295 .p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST },
301 .find_pll = intel_find_best_PLL, 296 .find_pll = intel_find_best_PLL,
302 .find_reduced_pll = intel_find_best_reduced_PLL,
303}; 297};
304 298
305static const intel_limit_t intel_limits_i8xx_lvds = { 299static const intel_limit_t intel_limits_i8xx_lvds = {
@@ -314,7 +308,6 @@ static const intel_limit_t intel_limits_i8xx_lvds = {
314 .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT, 308 .p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT,
315 .p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST }, 309 .p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST },
316 .find_pll = intel_find_best_PLL, 310 .find_pll = intel_find_best_PLL,
317 .find_reduced_pll = intel_find_best_reduced_PLL,
318}; 311};
319 312
320static const intel_limit_t intel_limits_i9xx_sdvo = { 313static const intel_limit_t intel_limits_i9xx_sdvo = {
@@ -329,7 +322,6 @@ static const intel_limit_t intel_limits_i9xx_sdvo = {
329 .p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT, 322 .p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
330 .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST }, 323 .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST },
331 .find_pll = intel_find_best_PLL, 324 .find_pll = intel_find_best_PLL,
332 .find_reduced_pll = intel_find_best_reduced_PLL,
333}; 325};
334 326
335static const intel_limit_t intel_limits_i9xx_lvds = { 327static const intel_limit_t intel_limits_i9xx_lvds = {
@@ -347,7 +339,6 @@ static const intel_limit_t intel_limits_i9xx_lvds = {
347 .p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT, 339 .p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
348 .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST }, 340 .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST },
349 .find_pll = intel_find_best_PLL, 341 .find_pll = intel_find_best_PLL,
350 .find_reduced_pll = intel_find_best_reduced_PLL,
351}; 342};
352 343
353 /* below parameter and function is for G4X Chipset Family*/ 344 /* below parameter and function is for G4X Chipset Family*/
@@ -365,7 +356,6 @@ static const intel_limit_t intel_limits_g4x_sdvo = {
365 .p2_fast = G4X_P2_SDVO_FAST 356 .p2_fast = G4X_P2_SDVO_FAST
366 }, 357 },
367 .find_pll = intel_g4x_find_best_PLL, 358 .find_pll = intel_g4x_find_best_PLL,
368 .find_reduced_pll = intel_g4x_find_best_PLL,
369}; 359};
370 360
371static const intel_limit_t intel_limits_g4x_hdmi = { 361static const intel_limit_t intel_limits_g4x_hdmi = {
@@ -382,7 +372,6 @@ static const intel_limit_t intel_limits_g4x_hdmi = {
382 .p2_fast = G4X_P2_HDMI_DAC_FAST 372 .p2_fast = G4X_P2_HDMI_DAC_FAST
383 }, 373 },
384 .find_pll = intel_g4x_find_best_PLL, 374 .find_pll = intel_g4x_find_best_PLL,
385 .find_reduced_pll = intel_g4x_find_best_PLL,
386}; 375};
387 376
388static const intel_limit_t intel_limits_g4x_single_channel_lvds = { 377static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
@@ -407,7 +396,6 @@ static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
407 .p2_fast = G4X_P2_SINGLE_CHANNEL_LVDS_FAST 396 .p2_fast = G4X_P2_SINGLE_CHANNEL_LVDS_FAST
408 }, 397 },
409 .find_pll = intel_g4x_find_best_PLL, 398 .find_pll = intel_g4x_find_best_PLL,
410 .find_reduced_pll = intel_g4x_find_best_PLL,
411}; 399};
412 400
413static const intel_limit_t intel_limits_g4x_dual_channel_lvds = { 401static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
@@ -432,7 +420,6 @@ static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
432 .p2_fast = G4X_P2_DUAL_CHANNEL_LVDS_FAST 420 .p2_fast = G4X_P2_DUAL_CHANNEL_LVDS_FAST
433 }, 421 },
434 .find_pll = intel_g4x_find_best_PLL, 422 .find_pll = intel_g4x_find_best_PLL,
435 .find_reduced_pll = intel_g4x_find_best_PLL,
436}; 423};
437 424
438static const intel_limit_t intel_limits_g4x_display_port = { 425static const intel_limit_t intel_limits_g4x_display_port = {
@@ -470,7 +457,6 @@ static const intel_limit_t intel_limits_pineview_sdvo = {
470 .p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT, 457 .p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
471 .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST }, 458 .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST },
472 .find_pll = intel_find_best_PLL, 459 .find_pll = intel_find_best_PLL,
473 .find_reduced_pll = intel_find_best_reduced_PLL,
474}; 460};
475 461
476static const intel_limit_t intel_limits_pineview_lvds = { 462static const intel_limit_t intel_limits_pineview_lvds = {
@@ -486,7 +472,6 @@ static const intel_limit_t intel_limits_pineview_lvds = {
486 .p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT, 472 .p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
487 .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_SLOW }, 473 .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_SLOW },
488 .find_pll = intel_find_best_PLL, 474 .find_pll = intel_find_best_PLL,
489 .find_reduced_pll = intel_find_best_reduced_PLL,
490}; 475};
491 476
492static const intel_limit_t intel_limits_ironlake_sdvo = { 477static const intel_limit_t intel_limits_ironlake_sdvo = {
@@ -768,46 +753,6 @@ intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
768 return (err != target); 753 return (err != target);
769} 754}
770 755
771
772static bool
773intel_find_best_reduced_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
774 int target, int refclk, intel_clock_t *best_clock)
775
776{
777 struct drm_device *dev = crtc->dev;
778 intel_clock_t clock;
779 int err = target;
780 bool found = false;
781
782 memcpy(&clock, best_clock, sizeof(intel_clock_t));
783
784 for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) {
785 for (clock.m2 = limit->m2.min; clock.m2 <= limit->m2.max; clock.m2++) {
786 /* m1 is always 0 in Pineview */
787 if (clock.m2 >= clock.m1 && !IS_PINEVIEW(dev))
788 break;
789 for (clock.n = limit->n.min; clock.n <= limit->n.max;
790 clock.n++) {
791 int this_err;
792
793 intel_clock(dev, refclk, &clock);
794
795 if (!intel_PLL_is_valid(crtc, &clock))
796 continue;
797
798 this_err = abs(clock.dot - target);
799 if (this_err < err) {
800 *best_clock = clock;
801 err = this_err;
802 found = true;
803 }
804 }
805 }
806 }
807
808 return found;
809}
810
811static bool 756static bool
812intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc, 757intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
813 int target, int refclk, intel_clock_t *best_clock) 758 int target, int refclk, intel_clock_t *best_clock)
@@ -1262,7 +1207,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
1262 return ret; 1207 return ret;
1263 } 1208 }
1264 1209
1265 ret = i915_gem_object_set_to_gtt_domain(obj, 1); 1210 ret = i915_gem_object_set_to_display_plane(obj);
1266 if (ret != 0) { 1211 if (ret != 0) {
1267 i915_gem_object_unpin(obj); 1212 i915_gem_object_unpin(obj);
1268 mutex_unlock(&dev->struct_mutex); 1213 mutex_unlock(&dev->struct_mutex);
@@ -2910,10 +2855,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
2910 return -EINVAL; 2855 return -EINVAL;
2911 } 2856 }
2912 2857
2913 if (is_lvds && limit->find_reduced_pll && 2858 if (is_lvds && dev_priv->lvds_downclock_avail) {
2914 dev_priv->lvds_downclock_avail) { 2859 has_reduced_clock = limit->find_pll(limit, crtc,
2915 memcpy(&reduced_clock, &clock, sizeof(intel_clock_t));
2916 has_reduced_clock = limit->find_reduced_pll(limit, crtc,
2917 dev_priv->lvds_downclock, 2860 dev_priv->lvds_downclock,
2918 refclk, 2861 refclk,
2919 &reduced_clock); 2862 &reduced_clock);
@@ -2981,6 +2924,21 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
2981 temp |= PIPE_8BPC; 2924 temp |= PIPE_8BPC;
2982 else 2925 else
2983 temp |= PIPE_6BPC; 2926 temp |= PIPE_6BPC;
2927 } else if (is_edp) {
2928 switch (dev_priv->edp_bpp/3) {
2929 case 8:
2930 temp |= PIPE_8BPC;
2931 break;
2932 case 10:
2933 temp |= PIPE_10BPC;
2934 break;
2935 case 6:
2936 temp |= PIPE_6BPC;
2937 break;
2938 case 12:
2939 temp |= PIPE_12BPC;
2940 break;
2941 }
2984 } else 2942 } else
2985 temp |= PIPE_8BPC; 2943 temp |= PIPE_8BPC;
2986 I915_WRITE(pipeconf_reg, temp); 2944 I915_WRITE(pipeconf_reg, temp);