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Commit a7c9655f authored by Daniel Vetter's avatar Daniel Vetter
Browse files

drm/i915: use the new dp train delay helpers 



Only really required for dp 1.2. I've hoped this would help with some
link training woes I'm fighting, but alas those are only dp 1.1
devices.

Also move a comment that went misplaced in the recent refactorings to
the right spot again.

Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent 1a644cd4

drivers/gpu/drm/i915/intel_dp.c

+3 −3
Original line number Diff line number Diff line
@@ -1821,13 +1821,13 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) 
		DRM_DEBUG_KMS("training pattern 1 signal levels %08x\n",

			      signal_levels);



		/* Set training pattern 1 */

		if (!intel_dp_set_link_train(intel_dp, DP,

					     DP_TRAINING_PATTERN_1 |

					     DP_LINK_SCRAMBLING_DISABLE))

			break;

		/* Set training pattern 1 */



		udelay(100);

		drm_dp_link_train_clock_recovery_delay(intel_dp->dpcd);

		if (!intel_dp_get_link_status(intel_dp, link_status)) {

			DRM_ERROR("failed to get link status\n");

			break;
@@ -1910,7 +1910,7 @@ intel_dp_complete_link_train(struct intel_dp *intel_dp) 
					     DP_LINK_SCRAMBLING_DISABLE))

			break;



		udelay(400);

		drm_dp_link_train_channel_eq_delay(intel_dp->dpcd);

		if (!intel_dp_get_link_status(intel_dp, link_status))

			break;