diff options
Diffstat (limited to 'kernel/sched/cpufreq_schedutil.c')
| -rw-r--r-- | kernel/sched/cpufreq_schedutil.c | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index e39008242cf4..e254745a82cb 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -114,22 +114,8 @@ static bool sugov_update_next_freq(struct sugov_policy *sg_policy, u64 time, static void sugov_fast_switch(struct sugov_policy *sg_policy, u64 time, unsigned int next_freq) { - struct cpufreq_policy *policy = sg_policy->policy; - int cpu; - - if (!sugov_update_next_freq(sg_policy, time, next_freq)) - return; - - next_freq = cpufreq_driver_fast_switch(policy, next_freq); - if (!next_freq) - return; - - policy->cur = next_freq; - - if (trace_cpu_frequency_enabled()) { - for_each_cpu(cpu, policy->cpus) - trace_cpu_frequency(next_freq, cpu); - } + if (sugov_update_next_freq(sg_policy, time, next_freq)) + cpufreq_driver_fast_switch(sg_policy->policy, next_freq); } static void sugov_deferred_update(struct sugov_policy *sg_policy, u64 time, @@ -455,6 +441,7 @@ static void sugov_update_single(struct update_util_data *hook, u64 time, unsigned long util, max; unsigned int next_f; bool busy; + unsigned int cached_freq = sg_policy->cached_raw_freq; sugov_iowait_boost(sg_cpu, time, flags); sg_cpu->last_update = time; @@ -478,8 +465,8 @@ static void sugov_update_single(struct update_util_data *hook, u64 time, if (busy && next_f < sg_policy->next_freq) { next_f = sg_policy->next_freq; - /* Reset cached freq as next_freq has changed */ - sg_policy->cached_raw_freq = 0; + /* Restore cached freq as next_freq has changed */ + sg_policy->cached_raw_freq = cached_freq; } /* |