Commit 44204632 authored Dec 05, 2022 by Stuart Hayes Committed by Rafael J. Wysocki Dec 06, 2022

cpufreq: ACPI: Only set boost MSRs on supported CPUs



Stop trying to set boost MSRs on CPUs that don't support boost.

This corrects a bug in the recent patch "Defer setting boost MSRs".

Fixes: 13fdbc8b ("cpufreq: ACPI: Defer setting boost MSRs")
Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com>
Reported-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent edeba49e

drivers/cpufreq/acpi-cpufreq.c

+2 −1

Original line number	Original line	Diff line number	Diff line
	@@ -889,6 +889,7 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
	if (perf->states[0].core_frequency * 1000 != freq_table[0].frequency)		if (perf->states[0].core_frequency * 1000 != freq_table[0].frequency)
	pr_warn(FW_WARN "P-state 0 is not max freq\n");		pr_warn(FW_WARN "P-state 0 is not max freq\n");

			if (acpi_cpufreq_driver.set_boost)
	set_boost(policy, acpi_cpufreq_driver.boost_enabled);		set_boost(policy, acpi_cpufreq_driver.boost_enabled);

	return result;		return result;