Merge "cpufreq: schedutil: Add tunable to control WALT pl use" into msm-4.9 (93994f1e) · Commits · e / devices / android_kernel_fairphone_FP3

kernel/sched/cpufreq_schedutil.c

+23 −1

Original line number	Diff line number	Diff line
		@@ -24,6 +24,7 @@ struct sugov_tunables {
		struct gov_attr_set attr_set;
		unsigned int rate_limit_us;
		unsigned int hispeed_freq;
		bool pl;
		};

		struct sugov_policy {
		@@ -224,6 +225,7 @@ static void sugov_walt_adjust(struct sugov_cpu sg_cpu, unsigned long util,
		if (is_hiload && nl >= mult_frac(cpu_util, NL_RATIO, 100))
		util = max;

		if (sg_policy->tunables->pl)
		util = max(util, sg_cpu->walt_load.pl);
		}

		@@ -450,12 +452,32 @@ static ssize_t hispeed_freq_store(struct gov_attr_set *attr_set,
		return count;
		}

		static ssize_t pl_show(struct gov_attr_set attr_set, char buf)
		{
		struct sugov_tunables *tunables = to_sugov_tunables(attr_set);

		return sprintf(buf, "%u\n", tunables->pl);
		}

		static ssize_t pl_store(struct gov_attr_set attr_set, const char buf,
		size_t count)
		{
		struct sugov_tunables *tunables = to_sugov_tunables(attr_set);

		if (kstrtobool(buf, &tunables->pl))
		return -EINVAL;

		return count;
		}

		static struct governor_attr rate_limit_us = __ATTR_RW(rate_limit_us);
		static struct governor_attr hispeed_freq = __ATTR_RW(hispeed_freq);
		static struct governor_attr pl = __ATTR_RW(pl);

		static struct attribute *sugov_attributes[] = {
		&rate_limit_us.attr,
		&hispeed_freq.attr,
		&pl.attr,
		NULL
		};