cpufreq / ondemand: update frequency when limits are relaxed

Reevaluate CPU load and update frequency immediately whenever limits
are changed. Currently ondemand doesn't do that when limits are
relaxed, wasting power on systems with relatively low sampling rate.

Signed-off-by: Michal Pecio <[email protected]>
Reviewed-by: Thomas Renninger <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
This commit is contained in:
Michal Pecio 2012-09-14 21:07:39 +02:00 • committed by Rafael J. Wysocki
commit f26365179d

View file

@ -761,6 +761,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
else if (policy->min > this_dbs_info->cur_policy->cur)
__cpufreq_driver_target(this_dbs_info->cur_policy,
policy->min, CPUFREQ_RELATION_L);
dbs_check_cpu(this_dbs_info);
mutex_unlock(&this_dbs_info->timer_mutex);
break;
}