diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h index f637574644c0..5ce29426ef11 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h @@ -346,6 +346,12 @@ void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v); u64 amdgpu_mm_rdoorbell64(struct amdgpu_device *adev, u32 index); void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v); +/* + * GPU doorbell aperture helpers function. + */ +int amdgpu_doorbell_init(struct amdgpu_device *adev); +void amdgpu_doorbell_fini(struct amdgpu_device *adev); + #define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index)) #define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v)) #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index)) |