DB_CACHE_FLUSH_TS 17039 drivers/gpu/drm/amd/include/navi10_enum.h DB_CACHE_FLUSH_TS                        = 0x00000003,
DB_CACHE_FLUSH_TS 20181 drivers/gpu/drm/amd/include/vega10_enum.h DB_CACHE_FLUSH_TS                        = 0x00000003,