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(parent: 9944762) | patch
drm/amd/display: Skip DPCD read for DPTX-to-DPIA hop
authorJimmy Kizito <Jimmy.Kizito@amd.com>
Mon, 5 Apr 2021 22:05:09 +0000 (18:05 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 6 Oct 2021 19:51:28 +0000 (15:51 -0400)
commit31cf79f05d34f4a8040bbeaaf7f03b0fb5fe117f
tree9a412fefdad19219376c3940a8f42d7b19c85231tree | snapshot
parent99447622ae157393296580f9e39224951a1cdcf6commit | diff
drm/amd/display: Skip DPCD read for DPTX-to-DPIA hop

[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>
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c diff | blob | history
Domain: System / Kernel;