[Intel-gfx] [PATCH 06/10] drm/i915: We implement WaEDPModeSetSequenceChange

Damien Lespiau damien.lespiau at intel.com
Fri Jun 7 18:41:12 CEST 2013


Signed-off-by: Damien Lespiau <damien.lespiau at intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 486c46b..bc7dd9a 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1050,6 +1050,7 @@ static void intel_ddi_pre_enable(struct intel_encoder *intel_encoder)
 		intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON);
 		intel_dp_start_link_train(intel_dp);
 		intel_dp_complete_link_train(intel_dp);
+		/* WaEDPModeSetSequenceChange:hsw */
 		if (port != PORT_A)
 			intel_dp_stop_link_train(intel_dp);
 	}
@@ -1113,6 +1114,7 @@ static void intel_enable_ddi(struct intel_encoder *intel_encoder)
 	} else if (type == INTEL_OUTPUT_EDP) {
 		struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 
+		/* WaEDPModeSetSequenceChange:hsw */
 		if (port == PORT_A)
 			intel_dp_stop_link_train(intel_dp);
 
-- 
1.8.1.4




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