]> git.hungrycats.org Git - linux/commit
drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35
authorYihan Zhu <Yihan.Zhu@amd.com>
Sat, 7 Sep 2024 17:25:19 +0000 (13:25 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Oct 2024 10:01:08 +0000 (12:01 +0200)
commit945dc25eda88b5d6e30c9686dc619ab981c22d0e
treefa77ea5c0c4ab35e55592990df2f9464b0a7467a
parentc28331512f4e57f6f98167531ff2b30482cc82a2
drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35

commit 0d5e5e8a0aa49ea2163abf128da3b509a6c58286 upstream.

[WHY & HOW]
Mismatch in DCN35 DML2 cause bw validation failed to acquire unexpected DPP pipe to cause
grey screen and system hang. Remove EnhancedPrefetchScheduleAccelerationFinal value override
to match HW spec.

Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Signed-off-by: Yihan Zhu <Yihan.Zhu@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>
(cherry picked from commit 9dad21f910fcea2bdcff4af46159101d7f9cd8ba)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/amd/display/dc/dml2/dml2_policy.c