regGC_USER_SA_UNIT_DISABLE
gc_user_disabled_sa_mask = RREG32_SOC15(GC, 0, regGC_USER_SA_UNIT_DISABLE);
gc_user_disabled_sa_mask = RREG32_SOC15(GC, GET_INST(GC, xcc_id), regGC_USER_SA_UNIT_DISABLE);