diff options
| author | Victor Skvortsov <victor.skvortsov@amd.com> | 2024-05-27 16:10:43 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-05-29 14:48:30 -0400 |
| commit | e864180ee49b4d30e640fd1e1d852b86411420c9 (patch) | |
| tree | 926ce4d37f5c49abc0f81d99a8f99d9be7c4efc9 /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | |
| parent | 7978c4d41496becda1c1cbd5b783c60e9b64d618 (diff) | |
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 <victor.skvortsov@amd.com>
Reviewed-by: Zhigang Luo <zhigang.luo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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; |