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| author | Perry Yuan <perry.yuan@amd.com> | 2026-02-09 00:42:07 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-05-11 15:55:56 -0400 |
| commit | dd61e27535a6f5cfb32a847b282d2e3d5aebf46f (patch) | |
| tree | 2014c59f8faf39adde7a8c99a53e98d333b6b2eb /drivers/gpu/drm/amd/include/amdgpu_ptl.h | |
| parent | d51a0439358d4eacd8beb39df619998d8340d232 (diff) | |
| download | lwn-dd61e27535a6f5cfb32a847b282d2e3d5aebf46f.tar.gz lwn-dd61e27535a6f5cfb32a847b282d2e3d5aebf46f.zip | |
drm/amdkfd: Add PTL control IOCTL Option and unify refcount logic
Introduce a new IOCTL option to allow userspace explicit control over
the Peak Tops Limiter (PTL) state for profiling
Link: https://github.com/ROCm/rocm-systems/tree/develop/projects/rocprofiler-sdk
Signed-off-by: Perry Yuan <perry.yuan@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/include/amdgpu_ptl.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/amdgpu_ptl.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/amdgpu_ptl.h b/drivers/gpu/drm/amd/include/amdgpu_ptl.h index ffed443a14ae..9e63a9a9680a 100644 --- a/drivers/gpu/drm/amd/include/amdgpu_ptl.h +++ b/drivers/gpu/drm/amd/include/amdgpu_ptl.h @@ -39,6 +39,8 @@ struct amdgpu_ptl { enum amdgpu_ptl_fmt fmt2; bool enabled; bool hw_supported; + /* PTL disable reference counting */ + atomic_t disable_ref; struct mutex mutex; }; |