Commit 648e9206 authored Apr 10, 2020 by Chris Wilson Committed by Greg Kroah-Hartman May 20, 2020

cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once



[ 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>

parent 1cb0aed8

drivers/cpufreq/intel_pstate.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -957,7 +957,7 @@ 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;