--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -25,6 +25,9 @@
#include <linux/input.h>
#include <linux/workqueue.h>
#include <linux/slab.h>
+#ifdef CONFIG_EARLYSUSPEND
+#include <linux/earlysuspend.h>
+#endif
/*
* dbs is used in this file as a shortform for demandbased switching
@@ -82,6 +85,10 @@ history_load hist_load[SUP_CORE_NUM] = {
#define MIN_SAMPLING_RATE_RATIO (2)
static unsigned int min_sampling_rate;
+#ifdef CONFIG_EARLYSUSPEND
+bool screen_is_on = true;
+static unsigned long stored_sampling_rate;
+#endif
#define LATENCY_MULTIPLIER (1000)
#define MIN_LATENCY_MULTIPLIER (100)
@@ -171,7 +178,7 @@ static struct dbs_tuners {
.powersave_bias = 0,
.sync_freq = 0,
.optimal_freq = 0,
- .enable_turbo_mode = 1,
+ .enable_turbo_mode = 0,
};
static inline u64 get_cpu_idle_time_jiffy(unsigned int cpu, u64 *wall)
@@ -1342,6 +1349,31 @@ static int cpufreq_governor_dbs(struct c
return 0;
}
+#ifdef CONFIG_EARLYSUSPEND
+static void cpufreq_ondemand_early_suspend(struct early_suspend *h)
+{
+ mutex_lock(&dbs_mutex);
+ screen_is_on = false;
+ stored_sampling_rate = min_sampling_rate;
+ min_sampling_rate = MICRO_FREQUENCY_MIN_SAMPLE_RATE * 6;
+ mutex_unlock(&dbs_mutex);
+}
+
+static void cpufreq_ondemand_late_resume(struct early_suspend *h)
+{
+ mutex_lock(&dbs_mutex);
+ min_sampling_rate = stored_sampling_rate;
+ screen_is_on = true;
+ mutex_unlock(&dbs_mutex);
+}
+
+static struct early_suspend cpufreq_ondemand_early_suspend_info = {
+ .suspend = cpufreq_ondemand_early_suspend,
+ .resume = cpufreq_ondemand_late_resume,
+ .level = EARLY_SUSPEND_LEVEL_DISABLE_FB,
+};
+#endif
+
static int __init cpufreq_gov_dbs_init(void)
{
u64 idle_time;
@@ -1379,12 +1411,18 @@ static int __init cpufreq_gov_dbs_init(v
INIT_WORK(&per_cpu(dbs_refresh_work, i), dbs_refresh_callback);
}
+#ifdef CONFIG_EARLYSUSPEND
+ register_early_suspend(&cpufreq_ondemand_early_suspend_info);
+#endif
return cpufreq_register_governor(&cpufreq_gov_ondemand);
}
static void __exit cpufreq_gov_dbs_exit(void)
{
cpufreq_unregister_governor(&cpufreq_gov_ondemand);
+#ifdef CONFIG_EARLYSUSPEND
+ unregister_early_suspend(&cpufreq_ondemand_early_suspend_info);
+#endif
destroy_workqueue(input_wq);
}
projects / ziggy471-sgs4-jb.git / commitdiff