linux-kernel - [PATCH 3/6] cpufreq: Centralize boost freq QoS requests

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Message-ID: <20260126101826.94030-4-pierre.gondois@arm.com>
Date: Mon, 26 Jan 2026 11:18:12 +0100
From: Pierre Gondois <pierre.gondois@....com>
To: linux-kernel@...r.kernel.org
Cc: Jie Zhan <zhanjie9@...ilicon.com>,
	zhenglifeng1@...wei.com,
	Ionela Voinescu <ionela.voinescu@....com>,
	Christian Loehle <christian.loehle@....com>,
	sumitg@...dia.com,
	Pierre Gondois <pierre.gondois@....com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Huang Rui <ray.huang@....com>,
	"Gautham R. Shenoy" <gautham.shenoy@....com>,
	Mario Limonciello <mario.limonciello@....com>,
	Perry Yuan <perry.yuan@....com>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	Len Brown <lenb@...nel.org>,
	Saravana Kannan <saravanak@...nel.org>,
	linux-pm@...r.kernel.org
Subject: [PATCH 3/6] cpufreq: Centralize boost freq QoS requests

policy_set_boost() calls the cpufreq set_boost callback.
Update the newly added boost_freq_req request from there:
- whenever boost is toggled
- to cover all possible paths

Signed-off-by: Pierre Gondois <pierre.gondois@....com>
---
 drivers/cpufreq/cpufreq.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index c8fb4c6656e94..505da5b00e575 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -603,10 +603,19 @@ static int policy_set_boost(struct cpufreq_policy *policy, bool enable)
 	policy->boost_enabled = enable;
 
 	ret = cpufreq_driver->set_boost(policy, enable);
-	if (ret)
+	if (ret) {
 		policy->boost_enabled = !policy->boost_enabled;
+		return ret;
+	}
 
-	return ret;
+	ret = freq_qos_update_request(policy->boost_freq_req, policy->cpuinfo.max_freq);
+	if (ret < 0) {
+		policy->boost_enabled = !policy->boost_enabled;
+		cpufreq_driver->set_boost(policy, !policy->boost_enabled);
+		return ret;
+	}
+
+	return 0;
 }
 
 static ssize_t store_local_boost(struct cpufreq_policy *policy,
-- 
2.43.0