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Diffstat (limited to 'kernel/sched/cpufreq_schedutil.c')
-rw-r--r--kernel/sched/cpufreq_schedutil.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index a0bcf488fb81..b90f7434e13b 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -615,7 +615,6 @@ static int sugov_init(struct cpufreq_policy *policy)
{
struct sugov_policy *sg_policy;
struct sugov_tunables *tunables;
- unsigned int lat;
int ret = 0;
/* State should be equivalent to EXIT */
@@ -654,12 +653,19 @@ static int sugov_init(struct cpufreq_policy *policy)
goto stop_kthread;
}
- tunables->up_rate_limit_us = LATENCY_MULTIPLIER;
- tunables->down_rate_limit_us = LATENCY_MULTIPLIER;
- lat = policy->cpuinfo.transition_latency / NSEC_PER_USEC;
- if (lat) {
- tunables->up_rate_limit_us *= lat;
- tunables->down_rate_limit_us *= lat;
+ if (policy->up_transition_delay_us && policy->down_transition_delay_us) {
+ tunables->up_rate_limit_us = policy->up_transition_delay_us;
+ tunables->down_rate_limit_us = policy->down_transition_delay_us;
+ } else {
+ unsigned int lat;
+
+ tunables->up_rate_limit_us = LATENCY_MULTIPLIER;
+ tunables->down_rate_limit_us = LATENCY_MULTIPLIER;
+ lat = policy->cpuinfo.transition_latency / NSEC_PER_USEC;
+ if (lat) {
+ tunables->up_rate_limit_us *= lat;
+ tunables->down_rate_limit_us *= lat;
+ }
}
policy->governor_data = sg_policy;