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: 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>

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 1f94591ce5fb94bc8b17bea35a3ba21a62cee60c..af3c4b353c3721c2dea8357099ff9ecad6627cc6 100644 (file)
--- 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);