ACK: [SRU][N][PATCH 0/1] CVE-2024-50004
Masahiro Yamada
masahiro.yamada at canonical.com
Mon Mar 23 06:39:05 UTC 2026
On 3/20/26 10:27, Tim Whisonant wrote:
> SRU Justification:
>
> [Impact]
>
> drm/amd/display: update DML2 policy EnhancedPrefetchScheduleAccelerationFinal DCN35
>
> [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.
>
> [Fix]
>
> Questing: not affected
> Noble: cherry picked from upstream
> Jammy: not affected
> Focal: not affected
> Bionic: not affected
> Xenial: not affected
> Trusty: not affected
>
> [Test Plan]
>
> Compile and boot tested.
>
> [Where problems could occur]
>
> The change affects the AMD Display Core driver in the Display
> Mode Library 2 policy code, correcting a grey screen / system
> hang. Issues would only affect these AMD display devices.
>
> Yihan Zhu (1):
> drm/amd/display: update DML2 policy
> EnhancedPrefetchScheduleAccelerationFinal DCN35
>
> drivers/gpu/drm/amd/display/dc/dml2/dml2_policy.c | 1 -
> 1 file changed, 1 deletion(-)
>
Acked-by: Masahiro Yamada <masahiro.yamada at canonical.com>
More information about the kernel-team
mailing list