diff --git a/drivers/devfreq/devfreq_icc.c b/drivers/devfreq/devfreq_icc.c
index 248a0b97c07e..6f72f8b47cea 100644
--- a/drivers/devfreq/devfreq_icc.c
+++ b/drivers/devfreq/devfreq_icc.c
@@ -220,7 +220,7 @@ int devfreq_add_icc(struct device *dev)
 	}
 
 	p = &d->dp;
-	p->polling_ms = 50;
+	p->polling_ms = 500;
 	p->target = icc_target;
 	p->get_dev_status = icc_get_dev_status;
 
diff --git a/drivers/devfreq/governor_bw_hwmon.c b/drivers/devfreq/governor_bw_hwmon.c
index 3f9892cbc5c4..6ef1124ea90c 100644
--- a/drivers/devfreq/governor_bw_hwmon.c
+++ b/drivers/devfreq/governor_bw_hwmon.c
@@ -616,6 +616,11 @@ static int gov_start(struct devfreq *df)
 		goto err_sysfs;
 	}
 
+	mutex_lock(&df->lock);
+	df->min_freq = df->max_freq;
+	update_devfreq(df);
+	mutex_unlock(&df->lock);
+
 	return 0;
 
 err_sysfs:
@@ -934,6 +939,7 @@ out:
 
 static struct devfreq_governor devfreq_gov_bw_hwmon = {
 	.name = "bw_hwmon",
+	.immutable = 1,
 	.get_target_freq = devfreq_bw_hwmon_get_freq,
 	.event_handler = devfreq_bw_hwmon_ev_handler,
 };
diff --git a/drivers/devfreq/governor_memlat.c b/drivers/devfreq/governor_memlat.c
index 94cef86c14b2..0370c6cc98cf 100644
--- a/drivers/devfreq/governor_memlat.c
+++ b/drivers/devfreq/governor_memlat.c
@@ -194,6 +194,11 @@ static int gov_start(struct devfreq *df)
 	if (ret < 0)
 		goto err_sysfs;
 
+	mutex_lock(&df->lock);
+	df->min_freq = df->max_freq;
+	update_devfreq(df);
+	mutex_unlock(&df->lock);
+
 	return 0;
 
 err_sysfs:
@@ -421,12 +426,14 @@ static int devfreq_memlat_ev_handler(struct devfreq *df,
 
 static struct devfreq_governor devfreq_gov_memlat = {
 	.name = "mem_latency",
+	.immutable = 1,
 	.get_target_freq = devfreq_memlat_get_freq,
 	.event_handler = devfreq_memlat_ev_handler,
 };
 
 static struct devfreq_governor devfreq_gov_compute = {
 	.name = "compute",
+	.immutable = 1,
 	.get_target_freq = devfreq_memlat_get_freq,
 	.event_handler = devfreq_memlat_ev_handler,
 };