evie/android_kernel_oneplus_msm8998
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UPSTREAM: cpufreq: schedutil: Pass sg_policy to get_next_freq()

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get_next_freq() uses sg_cpu only to get sg_policy, which the callers of
get_next_freq() already have. Pass sg_policy instead of sg_cpu to
get_next_freq(), to make it more efficient.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 655cb1ebff4b7918fc560502c3297af2d3c7d114)
Signed-off-by: Chris Redpath <chris.redpath@arm.com>
Change-Id: Ia210058da32930a6cdb18258aa679cd1a44a747e
This commit is contained in:
Viresh Kumar 2017-03-02 14:03:21 +05:30 • committed by Andres Oportus
parent 0646dd3592
commit cbaccedead
1 changed files with 5 additions and 6 deletions
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11
kernel/sched/cpufreq_schedutil.c
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@ -150,7 +150,7 @@ static void sugov_update_commit(struct sugov_policy *sg_policy, u64 time,
/**
* get_next_freq - Compute a new frequency for a given cpufreq policy.
* @sg_cpu: schedutil cpu object to compute the new frequency for.
* @sg_policy: schedutil policy object to compute the new frequency for.
* @util: Current CPU utilization.
* @max: CPU capacity.
*
@ -170,10 +170,9 @@ static void sugov_update_commit(struct sugov_policy *sg_policy, u64 time,
* next_freq (as calculated above) is returned, subject to policy min/max and
* cpufreq driver limitations.
*/
static unsigned int get_next_freq(struct sugov_cpu *sg_cpu, unsigned long util,
unsigned long max)
static unsigned int get_next_freq(struct sugov_policy *sg_policy,
unsigned long util, unsigned long max)
{
struct sugov_policy *sg_policy = sg_cpu->sg_policy;
struct cpufreq_policy *policy = sg_policy->policy;
unsigned int freq = arch_scale_freq_invariant() ?
policy->cpuinfo.max_freq : policy->cur;
@ -268,7 +267,7 @@ static void sugov_update_single(struct update_util_data *hook, u64 time,
} else {
sugov_get_util(&util, &max, time);
sugov_iowait_boost(sg_cpu, &util, &max);
next_f = get_next_freq(sg_cpu, util, max);
next_f = get_next_freq(sg_policy, util, max);
}
sugov_update_commit(sg_policy, time, next_f);
}
@ -322,7 +321,7 @@ static unsigned int sugov_next_freq_shared(struct sugov_cpu *sg_cpu,
sugov_iowait_boost(j_sg_cpu, &util, &max);
}
return get_next_freq(sg_cpu, util, max);
return get_next_freq(sg_policy, util, max);
}
static void sugov_update_shared(struct update_util_data *hook, u64 time,