HW folks have confirm that we should not touch RESUME_CTX of
SDMA*_GFX_CONTEXT_CNTL when manipulating RLC queues.
Signed-off-by: NYong Zhao <Yong.Zhao@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>