ACK: [PATCH 0/1][SRU][OEM-5.14] Fix for rare suspend (s0ix) failures on AMD systems
Tim Gardner
tim.gardner at canonical.com
Wed Jan 12 16:55:56 UTC 2022
Acked-by: Tim Gardner <tim.gardner at canonical.com>
On 1/4/22 12:38 PM, Alex Hung wrote:
> BugLink: https://bugs.launchpad.net/bugs/1956373
>
> [Impact]
>
> A rare (~1%) failure has been reported in the community for a period of time
> on Renoir platforms with s0ix. This failure was also corroborated once by
> a Cezanne user.
>
> [Fix]
>
> In the s0ix entry need retain gfx in the gfxoff state, so skipping setting
> gfx cgpg in the S0ix suspend-resume process.
>
> The fix was cherry-picked from 5.16-rc8.
>
> [Test]
>
> This is requested by AMD.
>
> [Where problems could occur]
>
> Low risk. This only affects AMD systems that support s0ix.
>
> Prike Liang (1):
> drm/amd/pm: skip setting gfx cgpg in the s0ix suspend-resume
>
> drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 7 ++-----
> drivers/gpu/drm/amd/pm/swsmu/smu12/smu_v12_0.c | 3 ++-
> 2 files changed, 4 insertions(+), 6 deletions(-)
>
--
-----------
Tim Gardner
Canonical, Inc
More information about the kernel-team
mailing list