ACK: [SRU] [J/OEM-5.14] [PATCH 0/2] Fix broken s2idle on AMD APU

[Tim Gardner]

Acked-by: Tim Gardner <tim.gardner at canonical.com>

On 5/8/22 23:12, Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1972134
> 
> [Impact]
> The AMD based system can not reach s2idle after fix for LP: #1968475.
> 
> [Fix]
> No need to evict resources for s2idle case.
> 
> [Test]
> Test on a Cezanne, confirmed the 5.14.0-1035 breaks s2idle, and applying
> the fix can make s2idle work again.
> 
> [Where problems could occur]
> The fix only applies to AMD APU, and the resources sould stay at carved
> out region over sleep.
> 
> Mario Limonciello (1):
>    drm/amdgpu: explicitly check for s0ix when evicting resources
> 
> Nirmoy Das (1):
>    drm/amdgpu: unify BO evicting method in amdgpu_ttm
> 
>   drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c |  8 +++---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c  | 30 ++++++++++++++++-----
>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.c  | 23 ----------------
>   drivers/gpu/drm/amd/amdgpu/amdgpu_object.h  |  1 -
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c     | 30 +++++++++++++++++++++
>   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h     |  1 +
>   6 files changed, 58 insertions(+), 35 deletions(-)
> 

-- 
-----------
Tim Gardner
Canonical, Inc