cpufreq: conservative: update frequency when limits are relaxed

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

Signed-off-by: Michal Pecio <mpecio@nvidia.com>
Reviewed-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index a1563d747fd20e445eda7ceae0e24addad93d401..b75dc2c2f8d3f5e7aa8268579c7f515c1edff029 100644 (file)
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -584,6 +584,7 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                        __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;