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drm/amd/display: Fix incorrect DSC recompute trigger

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BugLink: https://bugs.launchpad.net/bugs/2101915

[ Upstream commit 4641169a8c95d9efc35d2d3c55c3948f3b375ff9 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Fangzhi Zuo
2025-03-11 08:51:19 +09:00
committed by Stefan Bader
parent dd8574ef16
commit c50e072c66
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+1 -1
View File
@@ -1263,7 +1263,7 @@ 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;
/*