diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index f9fe910f3b83..ee12641ee010 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -845,7 +845,7 @@ static struct freq_attr *hwp_cpufreq_attrs[] = { static void intel_pstate_hwp_set(struct cpufreq_policy *policy) { - int min, hw_min, max, hw_max, cpu, range, adj_range; + int min, hw_min, max, hw_max, cpu; struct perf_limits *perf_limits = limits; u64 value, cap; @@ -863,20 +863,17 @@ static void intel_pstate_hwp_set(struct cpufreq_policy *policy) hw_max = HWP_GUARANTEED_PERF(cap); else hw_max = HWP_HIGHEST_PERF(cap); - range = hw_max - hw_min; max_perf_pct = perf_limits->max_perf_pct; min_perf_pct = perf_limits->min_perf_pct; + min = hw_max * min_perf_pct / 100; rdmsrl_on_cpu(cpu, MSR_HWP_REQUEST, &value); - adj_range = min_perf_pct * range / 100; - min = hw_min + adj_range; + value &= ~HWP_MIN_PERF(~0L); value |= HWP_MIN_PERF(min); - adj_range = max_perf_pct * range / 100; - max = hw_min + adj_range; - + max = hw_max * max_perf_pct / 100; value &= ~HWP_MAX_PERF(~0L); value |= HWP_MAX_PERF(max); |