[PATCH 1/7] cpufreq/pstate: Only mention the BIOS disabling turbo mode once

Chris Wilson chris at chris-wilson.co.uk
Fri Apr 10 20:43:21 UTC 2020


Make a note of the first time we discover the turbo mode has been
disabled by the BIOS, as otherwise we complain every time we try to
update the mode.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Srinivas Pandruvada <srinivas.pandruvada at linux.intel.com>
Cc: Len Brown <lenb at kernel.org>
Cc: "Rafael J. Wysocki" <rjw at rjwysocki.net>
Cc: Viresh Kumar <viresh.kumar at linaro.org>
---
 drivers/cpufreq/intel_pstate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index c81e1ff29069..b4c014464a20 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1058,7 +1058,7 @@ static ssize_t store_no_turbo(struct kobject *a, struct kobj_attribute *b,
 
 	update_turbo_state();
 	if (global.turbo_disabled) {
-		pr_warn("Turbo disabled by BIOS or unavailable on processor\n");
+		pr_notice_once("Turbo disabled by BIOS or unavailable on processor\n");
 		mutex_unlock(&intel_pstate_limits_lock);
 		mutex_unlock(&intel_pstate_driver_lock);
 		return -EPERM;
-- 
2.20.1



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