CACHE_FLUSH_AND_INV_EVENT_TS  517 drivers/gpu/drm/radeon/nid.h #       define CACHE_FLUSH_AND_INV_EVENT_TS                     (0x14 << 0)
CACHE_FLUSH_AND_INV_EVENT_TS  570 drivers/gpu/drm/radeon/r600d.h #       define CACHE_FLUSH_AND_INV_EVENT_TS                     (0x14 << 0)