APPLIED[H/I]/cmnt: [PATCH 0/4][SRU][H/I/OEM-5.13/OEM-5.14] Fix Screen freeze after resume from suspend with iGPU [1002:6987]

[Kleber Souza]

On 28.10.21 10:09, Koba Ko wrote:
> BugLink: https://bugs.launchpad.net/bugs/1949050
> 
> [Impact]
> Screen freeze after resume from suspend
> 
> [Fix]
> Perform proper cleanups on UVD/VCE suspend: powergate enablement,
> clockgating enablement and dpm disablement. This can fix some hangs
> observed on suspending when UVD/VCE still using(e.g. issue
> "pm-suspend" when video is still playing).
> 
> [Test]
> 1. Plug AMD RX640/Radeon 540 into the system
> 2. Connect with DP monitor to iGPU
> 3. Power on
> 4. Suspend the system
> 5. Resume from suspend
> 6. Do something for a while (terminal, nautilus, gnome-control-center, etc).
> 7. System could resume normally
> 
> [Regression Potential]
> Low
> 
> Andrey Grodzovsky (1):
>    drm/amdgpu: Fix crash on device remove/driver unload
> 
> Evan Quan (2):
>    drm/amdgpu: reenable BACO support for 699F:C7 polaris12 SKU
>    drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend
> 
>   drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c | 26 +++++++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c | 26 +++++++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c | 26 +++++++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 24 +++++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c | 26 +++++++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/vce_v2_0.c | 28 +++++++++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/vce_v3_0.c | 25 ++++++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/vce_v4_0.c | 25 ++++++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/vi.c       |  9 +--------
>   9 files changed, 207 insertions(+), 8 deletions(-)
> 

Applied to [hirsute/impish]:linux with the "cherry picked from..." line fixed
on patch 3/4.

Thanks,
Kleber