* [PATCH AUTOSEL 4.14 10/16] cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once
[not found] <20200507142943.26848-1-sashal@kernel.org>
@ 2020-05-07 14:29 ` Sasha Levin
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From: Sasha Levin @ 2020-05-07 14:29 UTC (permalink / raw)
To: linux-kernel, stable
Cc: Chris Wilson, Rafael J . Wysocki, Sasha Levin, linux-pm
From: Chris Wilson <chris@chris-wilson.co.uk>
[ Upstream commit 8c539776ac83c0857395e1ccc9c6b516521a2d32 ]
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@chris-wilson.co.uk>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.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 7a5662425b291..1aa0b05c8cbdf 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -935,7 +935,7 @@ 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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2020-05-07 14:29 ` [PATCH AUTOSEL 4.14 10/16] cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once Sasha Levin
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