drm/amdgpu: add nbio callbacks for vcn doorbell support
For Navi10 VCN2.0, the engine supports Doorbell
Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index b793f58..79cee38 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -659,6 +659,8 @@
u32 (*get_memsize)(struct amdgpu_device *adev);
void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
bool use_doorbell, int doorbell_index, int doorbell_size);
+ void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell,
+ int doorbell_index);
void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
bool enable);
void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
