diff options
Diffstat (limited to 'drivers/cpufreq/cpufreq_ondemand.c')
| -rw-r--r-- | drivers/cpufreq/cpufreq_ondemand.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 69aa1db8336..956d121cb16 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -84,6 +84,7 @@ struct dbs_tuners { static struct dbs_tuners dbs_tuners_ins = { .up_threshold = DEF_FREQUENCY_UP_THRESHOLD, .sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR, + .ignore_nice = 0, }; static inline unsigned int get_cpu_idle_time(unsigned int cpu) @@ -350,6 +351,9 @@ static void dbs_check_cpu(int cpu) freq_next = (freq_next * policy->cur) / (dbs_tuners_ins.up_threshold - 10); + if (freq_next < policy->min) + freq_next = policy->min; + if (freq_next <= ((policy->cur * 95) / 100)) __cpufreq_driver_target(policy, freq_next, CPUFREQ_RELATION_L); } @@ -395,8 +399,11 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, return -EINVAL; if (policy->cpuinfo.transition_latency > - (TRANSITION_LATENCY_LIMIT * 1000)) + (TRANSITION_LATENCY_LIMIT * 1000)) { + printk(KERN_WARNING "ondemand governor failed to load " + "due to too long transition latency\n"); return -EINVAL; + } if (this_dbs_info->enable) /* Already enabled */ break; @@ -431,8 +438,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy, def_sampling_rate = MIN_STAT_SAMPLING_RATE; dbs_tuners_ins.sampling_rate = def_sampling_rate; - dbs_tuners_ins.ignore_nice = 0; - dbs_timer_init(); } |