github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-21 21:37:25 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

cpufreq: Introduce policy_set_boost()

Browse Source 
Introduce policy_set_boost() to update boost state of a cpufreq policy.

No intentional function change.

Reviewed-by: Lifeng Zheng <zhenglifeng1@huawei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://patch.msgid.link/1863178ac17340c810519c8593014b8e561797ea.1745511526.git.viresh.kumar@linaro.org
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Viresh Kumar 2025-04-24 21:50:16 +05:30 committed by Rafael J. Wysocki
parent c347f31ae2
commit 27241c8b63
1 changed files with 26 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
drivers/cpufreq/cpufreq.c
View File

@ -588,6 +588,22 @@ static ssize_t show_local_boost(struct cpufreq_policy *policy, char *buf)
return sysfs_emit(buf, "%d\n", policy->boost_enabled);
}
static int policy_set_boost(struct cpufreq_policy *policy, bool enable)
{
int ret;
if (policy->boost_enabled == enable)
return 0;
policy->boost_enabled = enable;
ret = cpufreq_driver->set_boost(policy, enable);
if (ret)
policy->boost_enabled = !policy->boost_enabled;
return ret;
}
static ssize_t store_local_boost(struct cpufreq_policy *policy,
const char *buf, size_t count)
{
@ -603,21 +619,14 @@ static ssize_t store_local_boost(struct cpufreq_policy *policy,
if (!policy->boost_supported)
return -EINVAL;
if (policy->boost_enabled == enable)
return count;
policy->boost_enabled = enable;
cpus_read_lock();
ret = cpufreq_driver->set_boost(policy, enable);
ret = policy_set_boost(policy, enable);
cpus_read_unlock();
if (ret) {
policy->boost_enabled = !policy->boost_enabled;
return ret;
}
if (!ret)
return count;
return count;
return ret;
}
static struct freq_attr local_boost = __ATTR(boost, 0644, show_local_boost, store_local_boost);
@ -1615,15 +1624,12 @@ static int cpufreq_online(unsigned int cpu)
policy->cdev = of_cpufreq_cooling_register(policy);
/* Let the per-policy boost flag mirror the cpufreq_driver boost during init */
if (cpufreq_driver->set_boost && policy->boost_supported &&
policy->boost_enabled != cpufreq_boost_enabled()) {
policy->boost_enabled = cpufreq_boost_enabled();
ret = cpufreq_driver->set_boost(policy, policy->boost_enabled);
if (cpufreq_driver->set_boost && policy->boost_supported) {
ret = policy_set_boost(policy, cpufreq_boost_enabled());
if (ret) {
/* If the set_boost fails, the online operation is not affected */
pr_info("%s: CPU%d: Cannot %s BOOST\n", __func__, policy->cpu,
str_enable_disable(policy->boost_enabled));
policy->boost_enabled = !policy->boost_enabled;
str_enable_disable(cpufreq_boost_enabled()));
}
}
@ -2807,15 +2813,12 @@ static int cpufreq_boost_trigger_state(int state)
cpus_read_lock();
for_each_active_policy(policy) {
if (!policy->boost_supported || policy->boost_enabled == state)
if (!policy->boost_supported)
continue;
policy->boost_enabled = state;
ret = cpufreq_driver->set_boost(policy, state);
if (ret) {
policy->boost_enabled = !policy->boost_enabled;
ret = policy_set_boost(policy, state);
if (ret)
goto err_reset_state;
}
}
cpus_read_unlock();