drm/amdgpu/vi: add missing error handling when setting uvd dclk

Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/vi.c

@@ -795,6 +795,8 @@ static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
 		return r;
 
 	r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
+	if (r)
+		return r;
 
 	return 0;
 }