amdgpu_uvd_sw_init
int amdgpu_uvd_sw_init(struct amdgpu_device *adev);
r = amdgpu_uvd_sw_init(adev);
r = amdgpu_uvd_sw_init(adev);
r = amdgpu_uvd_sw_init(adev);
r = amdgpu_uvd_sw_init(adev);