diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_governor.h')
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index 5621bb03e874..91e767a058a7 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -17,6 +17,7 @@ #ifndef _CPUFREQ_GOVERNOR_H #define _CPUFREQ_GOVERNOR_H +#include <linux/atomic.h> #include <linux/cpufreq.h> #include <linux/kernel_stat.h> #include <linux/module.h> @@ -132,12 +133,14 @@ static void *get_cpu_dbs_info_s(int cpu) \ struct cpu_common_dbs_info { struct cpufreq_policy *policy; /* - * percpu mutex that serializes governor limit change with dbs_timer - * invocation. We do not want dbs_timer to run when user is changing - * the governor or limits. + * Per policy mutex that serializes load evaluation from limit-change + * and work-handler. */ struct mutex timer_mutex; + ktime_t time_stamp; + atomic_t skip_work; + struct work_struct work; }; /* Per cpu structures */ @@ -152,7 +155,7 @@ struct cpu_dbs_info { * wake-up from idle. */ unsigned int prev_load; - struct delayed_work dwork; + struct timer_list timer; struct cpu_common_dbs_info *shared; }; @@ -209,8 +212,7 @@ struct common_dbs_data { struct cpu_dbs_info *(*get_cpu_cdbs)(int cpu); void *(*get_cpu_dbs_info_s)(int cpu); - unsigned int (*gov_dbs_timer)(struct cpu_dbs_info *cdbs, - struct dbs_data *dbs_data, + unsigned int (*gov_dbs_timer)(struct cpufreq_policy *policy, bool modify_all); void (*gov_check_cpu)(int cpu, unsigned int load); int (*init)(struct dbs_data *dbs_data, bool notify); @@ -269,11 +271,11 @@ static ssize_t show_sampling_rate_min_gov_pol \ extern struct mutex cpufreq_governor_lock; +void gov_add_timers(struct cpufreq_policy *policy, unsigned int delay); +void gov_cancel_work(struct cpu_common_dbs_info *shared); void dbs_check_cpu(struct dbs_data *dbs_data, int cpu); int cpufreq_governor_dbs(struct cpufreq_policy *policy, struct common_dbs_data *cdata, unsigned int event); -void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy, - unsigned int delay, bool all_cpus); void od_register_powersave_bias_handler(unsigned int (*f) (struct cpufreq_policy *, unsigned int, unsigned int), unsigned int powersave_bias); |