regMP0_SMN_C2PMSG_67
data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67);
WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, value);
reg_data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67);
WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, reg_data + 0x10);
data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67);
WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, value);