DB_PERF_SEL_DB_CB_wrret_nack 16931 drivers/gpu/drm/amd/include/navi10_enum.h DB_PERF_SEL_DB_CB_wrret_nack             = 0x00000111,
DB_PERF_SEL_DB_CB_wrret_nack 20130 drivers/gpu/drm/amd/include/vega10_enum.h DB_PERF_SEL_DB_CB_wrret_nack             = 0x00000111,