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There are no any logical changes here. 1. if kcq can be enabled via kiq, we don't need to do kiq ring test. 2. amdgpu_ring_test_ring function can be used to sync the ring complete, remove the duplicate code. v2: alloc 6 (not 7) dws for unmap_queues Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>