diff mbox series

[1/2] cpufreq: Fix per-policy boost behavior on SoCs using cpufreq_boost_set_sw

Message ID 20240227165309.620422-2-quic_sibis@quicinc.com (mailing list archive)
State Not Applicable
Headers show
Series Fix per-policy boost behavior | expand

Commit Message

Sibi Sankar Feb. 27, 2024, 4:53 p.m. UTC 
Incorporate per-policy boost flag in the policy->max calculus used in
cpufreq_frequency_table_cpuinfo. This fixes the per-policy boost
behavior on SoCs using cpufreq_boost_set_sw callback.

Fixes: 218a06a79d9a ("cpufreq: Support per-policy performance boost")
Reported-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
---
 drivers/cpufreq/cpufreq.c    | 15 +++++++++------
 drivers/cpufreq/freq_table.c |  2 +-
 2 files changed, 10 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index ff69e9335645..76002aa3d12d 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -644,14 +644,16 @@  static ssize_t store_local_boost(struct cpufreq_policy *policy,
 	if (policy->boost_enabled == enable)
 		return count;
 
+	policy->boost_enabled = enable;
+
 	cpus_read_lock();
 	ret = cpufreq_driver->set_boost(policy, enable);
 	cpus_read_unlock();
 
-	if (ret)
+	if (ret) {
+		policy->boost_enabled = !policy->boost_enabled;
 		return ret;
-
-	policy->boost_enabled = enable;
+	}
 
 	return count;
 }
@@ -2791,11 +2793,12 @@  int cpufreq_boost_trigger_state(int state)
 
 	cpus_read_lock();
 	for_each_active_policy(policy) {
+		policy->boost_enabled = state;
 		ret = cpufreq_driver->set_boost(policy, state);
-		if (ret)
+		if (ret) {
+			policy->boost_enabled = !policy->boost_enabled;
 			goto err_reset_state;
-
-		policy->boost_enabled = state;
+		}
 	}
 	cpus_read_unlock();
 
diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c
index c4d4643b6ca6..c17dc51a5a02 100644
--- a/drivers/cpufreq/freq_table.c
+++ b/drivers/cpufreq/freq_table.c
@@ -40,7 +40,7 @@  int cpufreq_frequency_table_cpuinfo(struct cpufreq_policy *policy,
 	cpufreq_for_each_valid_entry(pos, table) {
 		freq = pos->frequency;
 
-		if (!cpufreq_boost_enabled()
+		if ((!cpufreq_boost_enabled() || !policy->boost_enabled)
 		    && (pos->flags & CPUFREQ_BOOST_FREQ))
 			continue;