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path: root/drivers/cpufreq/cpufreq_ondemand.c
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Diffstat (limited to 'drivers/cpufreq/cpufreq_ondemand.c')
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c72
1 files changed, 37 insertions, 35 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 63f038e71..d8e04745d 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -19,7 +19,12 @@
#include "cpufreq_governor.h"
/* On-demand governor macros */
+#ifdef CONFIG_SCHED_BFS
+#define DEF_FREQUENCY_UP_THRESHOLD (63)
+#else
#define DEF_FREQUENCY_UP_THRESHOLD (80)
+#endif
+
#ifdef CONFIG_PCK_INTERACTIVE
#define DEF_SAMPLING_DOWN_FACTOR (10)
#else
@@ -159,7 +164,7 @@ static void dbs_freq_increase(struct cpufreq_policy *policy, unsigned int freq)
static void od_check_cpu(int cpu, unsigned int load)
{
struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info, cpu);
- struct cpufreq_policy *policy = dbs_info->cdbs.cur_policy;
+ struct cpufreq_policy *policy = dbs_info->cdbs.shared->policy;
struct dbs_data *dbs_data = policy->governor_data;
struct od_dbs_tuners *od_tuners = dbs_data->tuners;
@@ -195,46 +200,40 @@ static void od_check_cpu(int cpu, unsigned int load)
}
}
-static void od_dbs_timer(struct work_struct *work)
+static unsigned int od_dbs_timer(struct cpu_dbs_info *cdbs,
+ struct dbs_data *dbs_data, bool modify_all)
{
- struct od_cpu_dbs_info_s *dbs_info =
- container_of(work, struct od_cpu_dbs_info_s, cdbs.work.work);
- unsigned int cpu = dbs_info->cdbs.cur_policy->cpu;
- struct od_cpu_dbs_info_s *core_dbs_info = &per_cpu(od_cpu_dbs_info,
+ struct cpufreq_policy *policy = cdbs->shared->policy;
+ unsigned int cpu = policy->cpu;
+ struct od_cpu_dbs_info_s *dbs_info = &per_cpu(od_cpu_dbs_info,
cpu);
- struct dbs_data *dbs_data = dbs_info->cdbs.cur_policy->governor_data;
struct od_dbs_tuners *od_tuners = dbs_data->tuners;
- int delay = 0, sample_type = core_dbs_info->sample_type;
- bool modify_all = true;
+ int delay = 0, sample_type = dbs_info->sample_type;
- mutex_lock(&core_dbs_info->cdbs.timer_mutex);
- if (!need_load_eval(&core_dbs_info->cdbs, od_tuners->sampling_rate)) {
- modify_all = false;
+ if (!modify_all)
goto max_delay;
- }
/* Common NORMAL_SAMPLE setup */
- core_dbs_info->sample_type = OD_NORMAL_SAMPLE;
+ dbs_info->sample_type = OD_NORMAL_SAMPLE;
if (sample_type == OD_SUB_SAMPLE) {
- delay = core_dbs_info->freq_lo_jiffies;
- __cpufreq_driver_target(core_dbs_info->cdbs.cur_policy,
- core_dbs_info->freq_lo, CPUFREQ_RELATION_H);
+ delay = dbs_info->freq_lo_jiffies;
+ __cpufreq_driver_target(policy, dbs_info->freq_lo,
+ CPUFREQ_RELATION_H);
} else {
dbs_check_cpu(dbs_data, cpu);
- if (core_dbs_info->freq_lo) {
+ if (dbs_info->freq_lo) {
/* Setup timer for SUB_SAMPLE */
- core_dbs_info->sample_type = OD_SUB_SAMPLE;
- delay = core_dbs_info->freq_hi_jiffies;
+ dbs_info->sample_type = OD_SUB_SAMPLE;
+ delay = dbs_info->freq_hi_jiffies;
}
}
max_delay:
if (!delay)
delay = delay_for_sampling_rate(od_tuners->sampling_rate
- * core_dbs_info->rate_mult);
+ * dbs_info->rate_mult);
- gov_queue_work(dbs_data, dbs_info->cdbs.cur_policy, delay, modify_all);
- mutex_unlock(&core_dbs_info->cdbs.timer_mutex);
+ return delay;
}
/************************** sysfs interface ************************/
@@ -277,27 +276,27 @@ static void update_sampling_rate(struct dbs_data *dbs_data,
dbs_info = &per_cpu(od_cpu_dbs_info, cpu);
cpufreq_cpu_put(policy);
- mutex_lock(&dbs_info->cdbs.timer_mutex);
+ mutex_lock(&dbs_info->cdbs.shared->timer_mutex);
- if (!delayed_work_pending(&dbs_info->cdbs.work)) {
- mutex_unlock(&dbs_info->cdbs.timer_mutex);
+ if (!delayed_work_pending(&dbs_info->cdbs.dwork)) {
+ mutex_unlock(&dbs_info->cdbs.shared->timer_mutex);
continue;
}
next_sampling = jiffies + usecs_to_jiffies(new_rate);
- appointed_at = dbs_info->cdbs.work.timer.expires;
+ appointed_at = dbs_info->cdbs.dwork.timer.expires;
if (time_before(next_sampling, appointed_at)) {
- mutex_unlock(&dbs_info->cdbs.timer_mutex);
- cancel_delayed_work_sync(&dbs_info->cdbs.work);
- mutex_lock(&dbs_info->cdbs.timer_mutex);
+ mutex_unlock(&dbs_info->cdbs.shared->timer_mutex);
+ cancel_delayed_work_sync(&dbs_info->cdbs.dwork);
+ mutex_lock(&dbs_info->cdbs.shared->timer_mutex);
- gov_queue_work(dbs_data, dbs_info->cdbs.cur_policy,
- usecs_to_jiffies(new_rate), true);
+ gov_queue_work(dbs_data, policy,
+ usecs_to_jiffies(new_rate), true);
}
- mutex_unlock(&dbs_info->cdbs.timer_mutex);
+ mutex_unlock(&dbs_info->cdbs.shared->timer_mutex);
}
}
@@ -560,13 +559,16 @@ static void od_set_powersave_bias(unsigned int powersave_bias)
get_online_cpus();
for_each_online_cpu(cpu) {
+ struct cpu_common_dbs_info *shared;
+
if (cpumask_test_cpu(cpu, &done))
continue;
- policy = per_cpu(od_cpu_dbs_info, cpu).cdbs.cur_policy;
- if (!policy)
+ shared = per_cpu(od_cpu_dbs_info, cpu).cdbs.shared;
+ if (!shared)
continue;
+ policy = shared->policy;
cpumask_or(&done, &done, policy->cpus);
if (policy->governor != &cpufreq_gov_ondemand)