0 means disable async_gfx_ring and is the default setting
1 means enable async_gfx_ring
Signed-off-by: NHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: NJack Xiao <jack.xiao@amd.com>
Reviewed-by: NAlex Deucher <alexander.deucher@amd.com>
Acked-by: NFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>