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authorMark Brown <broonie@kernel.org>2020-12-11 17:47:55 +0000
committerMark Brown <broonie@kernel.org>2020-12-11 17:47:55 +0000
commit031616c434db05ce766f76c62865f55698e0924f (patch)
tree7f29aa1ff3e7b51a8058cd570fb785c6e769b245 /kernel/sched/cpufreq_schedutil.c
parent064841ccfc49b2315dc0b797239862d3a343aa07 (diff)
parent85a7555575a0e48f9b73db310d0d762a08a46d63 (diff)
Merge remote-tracking branch 'asoc/for-5.10' into asoc-linus
Diffstat (limited to 'kernel/sched/cpufreq_schedutil.c')
-rw-r--r--kernel/sched/cpufreq_schedutil.c23
1 files changed, 5 insertions, 18 deletions
diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
index e39008242cf4..e254745a82cb 100644
--- a/kernel/sched/cpufreq_schedutil.c
+++ b/kernel/sched/cpufreq_schedutil.c
@@ -114,22 +114,8 @@ static bool sugov_update_next_freq(struct sugov_policy *sg_policy, u64 time,
static void sugov_fast_switch(struct sugov_policy *sg_policy, u64 time,
unsigned int next_freq)
{
- struct cpufreq_policy *policy = sg_policy->policy;
- int cpu;
-
- if (!sugov_update_next_freq(sg_policy, time, next_freq))
- return;
-
- next_freq = cpufreq_driver_fast_switch(policy, next_freq);
- if (!next_freq)
- return;
-
- policy->cur = next_freq;
-
- if (trace_cpu_frequency_enabled()) {
- for_each_cpu(cpu, policy->cpus)
- trace_cpu_frequency(next_freq, cpu);
- }
+ if (sugov_update_next_freq(sg_policy, time, next_freq))
+ cpufreq_driver_fast_switch(sg_policy->policy, next_freq);
}
static void sugov_deferred_update(struct sugov_policy *sg_policy, u64 time,
@@ -455,6 +441,7 @@ static void sugov_update_single(struct update_util_data *hook, u64 time,
unsigned long util, max;
unsigned int next_f;
bool busy;
+ unsigned int cached_freq = sg_policy->cached_raw_freq;
sugov_iowait_boost(sg_cpu, time, flags);
sg_cpu->last_update = time;
@@ -478,8 +465,8 @@ static void sugov_update_single(struct update_util_data *hook, u64 time,
if (busy && next_f < sg_policy->next_freq) {
next_f = sg_policy->next_freq;
- /* Reset cached freq as next_freq has changed */
- sg_policy->cached_raw_freq = 0;
+ /* Restore cached freq as next_freq has changed */
+ sg_policy->cached_raw_freq = cached_freq;
}
/*