GRBM_PERF_SEL_UTCL2_BUSY 15636 drivers/gpu/drm/amd/include/navi10_enum.h GRBM_PERF_SEL_UTCL2_BUSY = 0x00000022, GRBM_PERF_SEL_UTCL2_BUSY 16863 drivers/gpu/drm/amd/include/vega10_enum.h GRBM_PERF_SEL_UTCL2_BUSY = 0x00000022,