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| author |   Dennis Li <Dennis.Li@amd.com> | 2020-08-20 10:06:32 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2020-08-24 12:23:48 -0400 |
| commit | 6049db43d6dd9cbb9d7f897839d15b0bc600e23c (patch) | |
| tree | ada04bea31c2af434811ffdcc34471859a603925 /drivers/gpu/drm/amd/amdgpu/amdgpu.h | |
| parent | drm/amd/pm: enable run_btc callback for sienna_cichlid (diff) | |
| download | wireguard-linux-6049db43d6dd9cbb9d7f897839d15b0bc600e23c.tar.xz wireguard-linux-6049db43d6dd9cbb9d7f897839d15b0bc600e23c.zip | |
drm/amdgpu: change reset lock from mutex to rw_semaphore
clients don't need reset-lock for synchronization when no
GPU recovery.
v2:
change to return the return value of down_read_killable.
v3:
if GPU recovery begin, VF ignore FLR notification.
Reviewed-by: Monk Liu <monk.liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 72f2a9aeaf0e..ba5e8635ca5f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -951,7 +951,7 @@ struct amdgpu_device { atomic_t in_gpu_reset; enum pp_mp1_state mp1_state; - struct mutex lock_reset; + struct rw_semaphore reset_sem; struct amdgpu_doorbell_index doorbell_index; struct mutex notifier_lock; |