drm/amd/display: Avoid to do MCCS transaction if unnecessary

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We don't have to do MCCS/DDCCI transactions with sink side every time by calling
get_modes(). Limit it to be operated when hotplug occurs.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Roman Li <roman.li@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Wayne Lin 2026-03-11 16:11:57 +08:00 • committed by Alex Deucher

parent 602b8ef9d2

commit 8dc88c6a59

3 changed files with 15 additions and 12 deletions

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23

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

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2

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h

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2

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c

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