amdgpu_ttm_domain_start
amdgpu_ttm_domain_start(adev, bo->tbo.resource->mem_type);
src_addr = amdgpu_ttm_domain_start(adev, bo->resource->mem_type) +
*addr = amdgpu_ttm_domain_start(adev, mem->mem_type) +
uint64_t amdgpu_ttm_domain_start(struct amdgpu_device *adev, uint32_t type);
return addr + amdgpu_ttm_domain_start(adev, TTM_PL_VRAM);