diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h index 7199b6b0be81..8fd11497faba 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h @@ -21,6 +21,9 @@ * */ +#ifndef AMDGPU_DOORBELL_H +#define AMDGPU_DOORBELL_H + /* * GPU doorbell structures, functions & helpers */ @@ -29,7 +32,9 @@ struct amdgpu_doorbell { resource_size_t base; resource_size_t size; u32 __iomem *ptr; - u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */ + + /* Number of doorbells reserved for amdgpu kernel driver */ + u32 num_kernel_doorbells; }; /* Reserved doorbells for amdgpu (including multimedia). @@ -306,3 +311,4 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v); #define RDOORBELL64(index) amdgpu_mm_rdoorbell64(adev, (index)) #define WDOORBELL64(index, v) amdgpu_mm_wdoorbell64(adev, (index), (v)) +#endif |