APPLIED[I]: [PATCH 0/1][SRU][I/OEM-5.13/OEM-5.14] Fix USB3.1 hotplug after S3 on AMD renoir

Kleber Souza kleber.souza at canonical.com
Wed Dec 15 13:18:32 UTC 2021


On 01.12.21 03:17, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/1952817
>
> [Impact]
> On new amdgpu renoir firmware, the USB-type-C port is useless when uplug
> the USB-type-C <-> DP/HDMI/VGA Dongle after the system resumed from S3.
>
> [Fix]
> Restore the old amdgpu fw, this issue is gone.
> For new fw, AMD make kernel fix be ready, after backport, the issue is
> not reproduced on new fw.
> Cherry-picked from stable kernel release to fix it.
>
> [Test]
> After S3 on renoir's platforms, hotplug USB, the USB3.1 devices works
> good.
>
> [Where problems could occur]
> AMD renoir platform may have issues when suspend.
>
> Jammy already got this commit via stable updates v5.15.3
>
> Mario Limonciello (1):
>    drm/amd/display: Look at firmware version to determine using dmub on
>      dcn21
>
>   drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++++++++-
>   1 file changed, 8 insertions(+), 1 deletion(-)
>

Applied to impish:linux.

Thanks,
Kleber




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