diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_governor.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.c | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index b01cb729104b..7ed0ec2ac853 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -207,8 +207,8 @@ static inline void gov_cancel_work(struct dbs_data *dbs_data, } /* Will return if we need to evaluate cpu load again or not */ -bool need_load_eval(struct cpu_common_dbs_info *shared, - unsigned int sampling_rate) +static bool need_load_eval(struct cpu_common_dbs_info *shared, + unsigned int sampling_rate) { if (policy_is_shared(shared->policy)) { ktime_t time_now = ktime_get(); @@ -223,7 +223,37 @@ bool need_load_eval(struct cpu_common_dbs_info *shared, return true; } -EXPORT_SYMBOL_GPL(need_load_eval); + +static void dbs_timer(struct work_struct *work) +{ + struct cpu_dbs_info *cdbs = container_of(work, struct cpu_dbs_info, + dwork.work); + struct cpu_common_dbs_info *shared = cdbs->shared; + struct cpufreq_policy *policy = shared->policy; + struct dbs_data *dbs_data = policy->governor_data; + unsigned int sampling_rate, delay; + bool modify_all = true; + + mutex_lock(&shared->timer_mutex); + + if (dbs_data->cdata->governor == GOV_CONSERVATIVE) { + struct cs_dbs_tuners *cs_tuners = dbs_data->tuners; + + sampling_rate = cs_tuners->sampling_rate; + } else { + struct od_dbs_tuners *od_tuners = dbs_data->tuners; + + sampling_rate = od_tuners->sampling_rate; + } + + if (!need_load_eval(cdbs->shared, sampling_rate)) + modify_all = false; + + delay = dbs_data->cdata->gov_dbs_timer(cdbs, dbs_data, modify_all); + gov_queue_work(dbs_data, policy, delay, modify_all); + + mutex_unlock(&shared->timer_mutex); +} static void set_sampling_rate(struct dbs_data *dbs_data, unsigned int sampling_rate) @@ -411,7 +441,7 @@ static int cpufreq_governor_start(struct cpufreq_policy *policy, if (ignore_nice) j_cdbs->prev_cpu_nice = kcpustat_cpu(j).cpustat[CPUTIME_NICE]; - INIT_DEFERRABLE_WORK(&j_cdbs->dwork, cdata->gov_dbs_timer); + INIT_DEFERRABLE_WORK(&j_cdbs->dwork, dbs_timer); } if (cdata->governor == GOV_CONSERVATIVE) { |