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Merge branch 'drm-intel-fixes' into drm-intel-next

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This commit is contained in:
Keith Packard
2011-07-25 15:22:19 -07:00
parent 887a82ee80 e85194641b
commit cf96e46fcd
2 changed files with 18 additions and 6 deletions
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20
drivers/gpu/drm/i915/intel_dp.c
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@@ -1335,10 +1335,16 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
u32 reg;
uint32_t DP = intel_dp->DP;
/* Enable output, wait for it to become active */
I915_WRITE(intel_dp->output_reg, intel_dp->DP);
POSTING_READ(intel_dp->output_reg);
intel_wait_for_vblank(dev, intel_crtc->pipe);
/*
* On CPT we have to enable the port in training pattern 1, which
* will happen below in intel_dp_set_link_train. Otherwise, enable
* the port and wait for it to become active.
*/
if (!HAS_PCH_CPT(dev)) {
I915_WRITE(intel_dp->output_reg, intel_dp->DP);
POSTING_READ(intel_dp->output_reg);
intel_wait_for_vblank(dev, intel_crtc->pipe);
}
/* Write the link configuration data */
intel_dp_aux_native_write(intel_dp, DP_LINK_BW_SET,
@@ -1371,7 +1377,8 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
reg = DP | DP_LINK_TRAIN_PAT_1;
if (!intel_dp_set_link_train(intel_dp, reg,
DP_TRAINING_PATTERN_1))
DP_TRAINING_PATTERN_1 |
DP_LINK_SCRAMBLING_DISABLE))
break;
/* Set training pattern 1 */
@@ -1446,7 +1453,8 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp)
/* channel eq pattern */
if (!intel_dp_set_link_train(intel_dp, reg,
DP_TRAINING_PATTERN_2))
DP_TRAINING_PATTERN_2 |
DP_LINK_SCRAMBLING_DISABLE))
break;
udelay(400);