Commit 07bf2f2d authored by Aric Cyr's avatar Aric Cyr Committed by Alex Deucher
Browse files

drm/amd/display: remove unhelpful 5ms delay 



[Why]
Scaler vendor confirmed the 5ms was not helpful so no point in keeping
it.

[How]
Revert 5ms delay after setting training pattern.

Signed-off-by: default avatarAric Cyr <aric.cyr@amd.com>
Reviewed-by: default avatarAshley Thomas <Ashley.Thomas2@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 05cac1ae

drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c

+0 −4
Original line number Diff line number Diff line
@@ -1104,10 +1104,6 @@ static inline enum link_training_result perform_link_training_int( 
	dpcd_pattern.v1_4.TRAINING_PATTERN_SET = DPCD_TRAINING_PATTERN_VIDEOIDLE;

	dpcd_set_training_pattern(link, dpcd_pattern);



	/* delay 5ms after notifying sink of idle pattern before switching output */

	if (link->connector_signal != SIGNAL_TYPE_EDP)

		msleep(5);



	/* 4. mainlink output idle pattern*/

	dp_set_hw_test_pattern(link, DP_TEST_PATTERN_VIDEO_MODE, NULL, 0);