diff options
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index a7f597a476f5..c7f596f7b8cc 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -853,11 +853,11 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, limits->no_turbo = clamp_t(int, input, 0, 1); - mutex_unlock(&intel_pstate_limits_lock); - if (hwp_active) intel_pstate_hwp_set_online_cpus(); + mutex_unlock(&intel_pstate_limits_lock); + return count; } @@ -882,10 +882,11 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, limits->max_perf_pct); limits->max_perf = div_ext_fp(limits->max_perf_pct, 100); - mutex_unlock(&intel_pstate_limits_lock); - if (hwp_active) intel_pstate_hwp_set_online_cpus(); + + mutex_unlock(&intel_pstate_limits_lock); + return count; } @@ -910,10 +911,11 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b, limits->min_perf_pct); limits->min_perf = div_ext_fp(limits->min_perf_pct, 100); - mutex_unlock(&intel_pstate_limits_lock); - if (hwp_active) intel_pstate_hwp_set_online_cpus(); + + mutex_unlock(&intel_pstate_limits_lock); + return count; } @@ -1664,7 +1666,6 @@ static void intel_pstate_clear_update_util_hook(unsigned int cpu) static void intel_pstate_set_performance_limits(struct perf_limits *limits) { - mutex_lock(&intel_pstate_limits_lock); limits->no_turbo = 0; limits->turbo_disabled = 0; limits->max_perf_pct = 100; @@ -1675,15 +1676,12 @@ static void intel_pstate_set_performance_limits(struct perf_limits *limits) limits->max_sysfs_pct = 100; limits->min_policy_pct = 0; limits->min_sysfs_pct = 0; - mutex_unlock(&intel_pstate_limits_lock); } static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, struct perf_limits *limits) { - mutex_lock(&intel_pstate_limits_lock); - limits->max_policy_pct = DIV_ROUND_UP(policy->max * 100, policy->cpuinfo.max_freq); limits->max_policy_pct = clamp_t(int, limits->max_policy_pct, 0, 100); @@ -1714,8 +1712,6 @@ static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, limits->max_perf = round_up(limits->max_perf, EXT_FRAC_BITS); limits->min_perf = round_up(limits->min_perf, EXT_FRAC_BITS); - mutex_unlock(&intel_pstate_limits_lock); - pr_debug("cpu:%d max_perf_pct:%d min_perf_pct:%d\n", policy->cpu, limits->max_perf_pct, limits->min_perf_pct); } @@ -1744,6 +1740,8 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) if (per_cpu_limits) perf_limits = cpu->perf_limits; + mutex_lock(&intel_pstate_limits_lock); + if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { if (!perf_limits) { limits = &performance_limits; @@ -1778,6 +1776,8 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) intel_pstate_hwp_set_policy(policy); + mutex_unlock(&intel_pstate_limits_lock); + return 0; } |