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 b793f58b0cda555a04aaf939f802cb1f1cfce690..79cee380c4f5bcb1bdec6ba2d1b890286f55e280 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -659,6 +659,8 @@ struct amdgpu_nbio_funcs {
        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,