[PATCH 0/3] Handle aborted suspend better

[Alex Hung]

Reviewed-by: Alex Hung <alex.hung at amd.com>

This patchset passed promotion tests along with DC 3.2.337 too.

On 6/1/25 19:44, Mario Limonciello wrote:
> From: Mario Limonciello <mario.limonciello at amd.com>
> 
> Chris Bainbridge reported some list corruption occurring around the
> suspend sequence when an aborted suspend occurs.
> 
> I couldn't reproduce this specific problem, but when I tried I found
> some other issues where the cached DM state isn't properly destroyed.
> 
> This is because there isn't a complete() callback to match the prepare()
> callback used by amdgpu. Normally the PM core will call complete() after
> every suspend attempt (succesful or not).
> 
> Link: https://gitlab.freedesktop.org/drm/amd/-/issues/4280
> 
> Mario Limonciello (3):
>    drm/amd: Add support for a complete pmops action
>    drm/amd/display: Stop storing failures into adev->dm.cached_state
>    drm/amd/display: Destroy cached state in complete() callback
> 
>   drivers/gpu/drm/amd/amdgpu/amdgpu.h           |   1 +
>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    |  22 +++
>   drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c       |   2 +-
>   .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 125 +++++++++++-------
>   drivers/gpu/drm/amd/include/amd_shared.h      |   1 +
>   5 files changed, 103 insertions(+), 48 deletions(-)
>