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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
index 38cab1c6e7f3..a4ecb802d2f9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
@@ -356,6 +356,9 @@ void amdgpu_mm_wdoorbell64(struct amdgpu_device *adev, u32 index, u64 v);
int amdgpu_doorbell_init(struct amdgpu_device *adev);
void amdgpu_doorbell_fini(struct amdgpu_device *adev);
int amdgpu_doorbell_create_kernel_doorbells(struct amdgpu_device *adev);
+uint32_t amdgpu_doorbell_index_on_bar(struct amdgpu_device *adev,
+ struct amdgpu_bo *db_bo,
+ uint32_t doorbell_index);
#define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
#define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))