mmSMU_MP1_SRBM2P_ARG_0
activity_percent = cgs_read_register(hwmgr->device, mmSMU_MP1_SRBM2P_ARG_0);
cgs_write_register(hwmgr->device, mmSMU_MP1_SRBM2P_ARG_0, parameter);
mmSMU_MP1_SRBM2P_ARG_0);