diff options
| author | Victor Skvortsov <[email protected]> | 2024-05-27 20:10:43 +0000 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2024-05-29 18:48:30 +0000 |
| commit | e864180ee49b4d30e640fd1e1d852b86411420c9 (patch) | |
| tree | 926ce4d37f5c49abc0f81d99a8f99d9be7c4efc9 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | |
| parent | drm/amdkfd: simplify APU VRAM handling (diff) | |
| download | kernel-e864180ee49b4d30e640fd1e1d852b86411420c9.tar.gz kernel-e864180ee49b4d30e640fd1e1d852b86411420c9.zip | |
drm/amdgpu: Add lock around VF RLCG interface
flush_gpu_tlb may be called from another thread while
device_gpu_recover is running.
Both of these threads access registers through the VF
RLCG interface during VF Full Access. Add a lock around this interface
to prevent race conditions between these threads.
Signed-off-by: Victor Skvortsov <[email protected]>
Reviewed-by: Zhigang Luo <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h index 642f1fd287d8..0ec246c74570 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h @@ -272,6 +272,8 @@ struct amdgpu_virt { /* the ucode id to signal the autoload */ uint32_t autoload_ucode_id; + + struct mutex rlcg_reg_lock; }; struct amdgpu_video_codec_info; |