[PATCH 01/12] drm/amd/display: remove unhelpful 5ms delay

[Qingqing Zhuo]

From: Aric Cyr <aric.cyr at amd.com>

[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 at amd.com>
Reviewed-by: Ashley Thomas <Ashley.Thomas2 at amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 7ae6d903cf04..31c0b35bab67 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -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);
 
-- 
2.17.1