APPLIED: [SRU][L][PATCH 0/1] Fix AMD gpu hang when screen off/on

[Stefan Bader]

On 26.07.23 08:09, Aaron Ma wrote:
> BugLink: https://bugs.launchpad.net/bugs/2028740
> 
> [Impact]
> AMD GPU hang when screen off/on.
> error log:
> kernel: [drm:dc_dmub_srv_wait_idle [amdgpu]] *ERROR* Error waiting for DMUB idle: status=3
> 
> [Fix]
> Keep a PHY active when detecting DP signal + DPMS active.
> 
> [Test]
> Tested on 3 AMD platforms, GPU works fine.
> 
> [Where problems could occur]
> Low risk, the fix is in v6.4-rc1.
> 
> Generic Jammy kernel doesn't need this commit because of no support of
> AMD Phoenix GPU.
> SRU for Lunar/oem-6.1 kernel.
> 
> Agustin Gutierrez (1):
>    drm/amd/display: Keep PHY active for dp config
> 
>   .../gpu/drm/amd/display/dc/clk_mgr/dcn314/dcn314_clk_mgr.c   | 5 +++++
>   1 file changed, 5 insertions(+)
> 

Applied to lunar:linux/master-next. Thanks.

-Stefan

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