DB_PERF_SEL_DFSM_stalled_by_downstream 16955 drivers/gpu/drm/amd/include/navi10_enum.h DB_PERF_SEL_DFSM_stalled_by_downstream   = 0x00000129,
DB_PERF_SEL_DFSM_stalled_by_downstream 20141 drivers/gpu/drm/amd/include/vega10_enum.h DB_PERF_SEL_DFSM_stalled_by_downstream   = 0x0000011c,