vega20_doorbell_index_init  998 drivers/gpu/drm/amd/amdgpu/soc15.c 	.init_doorbell_index = &vega20_doorbell_index_init,
vega20_doorbell_index_init   83 drivers/gpu/drm/amd/amdgpu/soc15.h void vega20_doorbell_index_init(struct amdgpu_device *adev);