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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>
This commit is contained in:
Leo Liu 2018-10-16 09:54:20 -04:00 committed by Alex Deucher
parent 09fa0613bd
commit b45ddfe811
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@ -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,