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drm/amd/display: remove unhelpful 5ms delay

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[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: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Ashley Thomas <Ashley.Thomas2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Aric Cyr 2020-07-06 22:07:46 -04:00 committed by Alex Deucher
parent 05cac1ae8f
commit 07bf2f2d36
1 changed files with 0 additions and 4 deletions
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4
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
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@ -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);