linux-kernel - [PATCH V2 2/5] cpufreq: Don't unnecessarily call set

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Message-Id: <3003fbdcc1850128fe7fb653d7ddb8afc4d66170.1745511526.git.viresh.kumar@linaro.org>
Date: Thu, 24 Apr 2025 21:50:15 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: "Rafael J. Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>
Cc: linux-pm@...r.kernel.org,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Lifeng Zheng <zhenglifeng1@...wei.com>,
	Nicholas Chin <nic.c3.14@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH V2 2/5] cpufreq: Don't unnecessarily call set_boost()

The policy specific boost value may already be set correctly in
cpufreq_boost_trigger_state(), don't update it again unnecessarily.

Reviewed-by: Lifeng Zheng <zhenglifeng1@...wei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
 drivers/cpufreq/cpufreq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 3841c9da6cac..e31891c7b500 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -2861,7 +2861,7 @@ static int cpufreq_boost_trigger_state(int state)
 
 	cpus_read_lock();
 	for_each_active_policy(policy) {
-		if (!policy->boost_supported)
+		if (!policy->boost_supported || policy->boost_enabled == state)
 			continue;
 
 		policy->boost_enabled = state;
-- 
2.31.1.272.g89b43f80a514