HWP_MAX_PERF
value &= ~HWP_MAX_PERF(~0L);
value |= HWP_MAX_PERF(max);
value |= HWP_MAX_PERF(min_perf);
value &= ~HWP_MAX_PERF(~0L);
value |= HWP_MAX_PERF(max);
msr |= HWP_MAX_PERF(ratio_2_msr_perf(hwp_req->hwp_max));