drm/amd/display: Skip DPCD read for DPTX-to-DPIA hop

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[why & how]
Driver does not need to train the first hop.

Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <Wayne.Lin@amd.com>
Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Jimmy Kizito 2021-04-05 18:05:09 -04:00 • committed by Alex Deucher

parent 99447622ae

commit 31cf79f05d

1 changed files with 7 additions and 0 deletions

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

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