regVM_INVALIDATE_ENG0_REQ
SOC15_REG_OFFSET(GC, GET_INST(GC, i), regVM_INVALIDATE_ENG0_REQ);
regVM_INVALIDATE_ENG0_REQ;
SOC15_REG_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_REQ);
hub->eng_distance = regVM_INVALIDATE_ENG1_REQ - regVM_INVALIDATE_ENG0_REQ;
SOC15_REG_OFFSET(MMHUB, i, regVM_INVALIDATE_ENG0_REQ);
regVM_INVALIDATE_ENG0_REQ;