regCP_MES_DOORBELL_CONTROL2
data = RREG32_SOC15(GC, 0, regCP_MES_DOORBELL_CONTROL2);
WREG32_SOC15(GC, 0, regCP_MES_DOORBELL_CONTROL2, data);
data = RREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_MES_DOORBELL_CONTROL2);
WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_MES_DOORBELL_CONTROL2, data);