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Commit 760bc8ba authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "cpufreq: schedutil: Add fast switch to sugov_limits path"

parents f5d32ff8 394b89e4

include/linux/cpufreq.h

+9 −0
Original line number Diff line number Diff line
@@ -540,6 +540,15 @@ static inline void cpufreq_policy_apply_limits(struct cpufreq_policy *policy) 
		__cpufreq_driver_target(policy, policy->min, CPUFREQ_RELATION_L);

}



static inline void cpufreq_policy_apply_limits_fast(struct cpufreq_policy

						    *policy)

{

	if (policy->max < policy->cur)

		cpufreq_driver_fast_switch(policy, policy->max);

	else if (policy->min > policy->cur)

		cpufreq_driver_fast_switch(policy, policy->min);

}



/* Governor attribute set */

struct gov_attr_set {

	struct kobject kobj;

kernel/sched/cpufreq_schedutil.c

+6 −0
Original line number Diff line number Diff line
@@ -1267,6 +1267,12 @@ static void sugov_limits(struct cpufreq_policy *policy) 
		raw_spin_unlock_irqrestore(&sg_policy->update_lock, flags);

		cpufreq_policy_apply_limits(policy);

		mutex_unlock(&sg_policy->work_lock);

	} else {

		raw_spin_lock_irqsave(&sg_policy->update_lock, flags);

		sugov_track_cycles(sg_policy, sg_policy->policy->cur,

				   ktime_get_ns());

		cpufreq_policy_apply_limits_fast(policy);

		raw_spin_unlock_irqrestore(&sg_policy->update_lock, flags);

	}



	sg_policy->need_freq_update = true;