[AMD Official Use Only]
> -Original Message-
> From: Alex Deucher
> Sent: Tuesday, January 25, 2022 11:35 PM
> To: Quan, Evan
> Cc: amd-gfx list ; Deucher, Alexander
>
> Subject: Re: [PATCH 2/2] drm/amd/pm: fix the deadlock observed on
> performance_level set
On Tue, Jan 25, 2022 at 3:57 AM Evan Quan wrote:
>
> The sub-routine(amdgpu_gfx_off_ctrl) tried to obtain the lock
> adev->pm.mutex which was actually hold by amdgpu_dpm_force_performance_level.
> A deadlock happened then.
>
> Signed-off-by: Evan Quan
> Change-Id: Id692829381dedc6380f5464d74107d6
The sub-routine(amdgpu_gfx_off_ctrl) tried to obtain the lock
adev->pm.mutex which was actually hold by amdgpu_dpm_force_performance_level.
A deadlock happened then.
Signed-off-by: Evan Quan
Change-Id: Id692829381dedc6380f5464d74107d696f7abca1
---
drivers/gpu/drm/amd/pm/amdgpu_dpm.c | 50 +++
