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drm/amd/display: Fix incorrect DSC recompute trigger

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A stream without dsc_aux should not be eliminated from
the dsc determination. Whether it needs a dsc recompute depends on
whether its mode has changed or not. Eliminating such a no-dsc stream
from the dsc determination policy will end up with inconsistencies
in the new dc_state when compared to the current dc_state,
triggering a dsc recompute that should not have happened.

Reviewed-by: Rodrigo Siqueira <rodrigo.siqueira@amd.com>
Signed-off-by: Fangzhi Zuo <Jerry.Zuo@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Fangzhi Zuo 2024-09-04 16:56:45 -04:00 committed by Alex Deucher
parent 3fc98044eb
commit 4641169a8c
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
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@ -1302,7 +1302,7 @@ static bool is_dsc_need_re_compute(
continue;
aconnector = (struct amdgpu_dm_connector *) stream->dm_stream_context;
if (!aconnector || !aconnector->dsc_aux)
if (!aconnector)
continue;
stream_on_link[new_stream_on_link_num] = aconnector;