From: Stuart Hayes <stuart.w.hayes@gmail.com>
Date: Mon, 5 Dec 2022 11:57:44 -0600
Subject: cpufreq: ACPI: Only set boost MSRs on supported CPUs
Patch-mainline: v6.2-rc1
Git-commit: 442046328f27e30ce2c830759af89f42e7169bc1
References: bsc#1205485
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: 13fdbc8b8da6 ("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>
Acked-by: Giovanni Gherdovich <ggherdovich@suse.cz>
---
drivers/cpufreq/acpi-cpufreq.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -880,7 +880,8 @@ static int acpi_cpufreq_cpu_init(struct
policy->fast_switch_possible = !acpi_pstate_strict &&
!(policy_is_shared(policy) && policy->shared_type != CPUFREQ_SHARED_TYPE_ANY);
- set_boost(policy, acpi_cpufreq_driver.boost_enabled);
+ if (acpi_cpufreq_driver.set_boost)
+ set_boost(policy, acpi_cpufreq_driver.boost_enabled);
return result;