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Message-ID: <e5e024a2-a530-9f4f-76f4-5f239b3608a3@gmail.com>
Date: Mon, 5 Dec 2022 12:07:05 -0600
From: stuart hayes <stuart.w.hayes@...il.com>
To: "Rafael J . Wysocki" <rafael@...nel.org>,
Viresh Kumar <viresh.kumar@...aro.org>,
Kyle Meyer <kyle.meyer@....com>, Borislav Petkov <bp@...en8.de>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cpufreq: acpi: Only set boost MSRs on supported CPUs
On 12/5/2022 11:57 AM, Stuart Hayes wrote:
> 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".
>
> Signed-off-by: Stuart Hayes <stuart.w.hayes@...il.com>
> ---
> drivers/cpufreq/acpi-cpufreq.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
> index bb58175a8d40..a7c5e312340e 100644
> --- a/drivers/cpufreq/acpi-cpufreq.c
> +++ b/drivers/cpufreq/acpi-cpufreq.c
> @@ -888,7 +888,8 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
> if (perf->states[0].core_frequency * 1000 != freq_table[0].frequency)
> pr_warn(FW_WARN "P-state 0 is not max freq\n");
>
> - set_boost(policy, acpi_cpufreq_driver.boost_enabled);
> + if (acpi_cpufreq_driver.set_boost)
> + set_boost(policy, acpi_cpufreq_driver.boost_enabled);
>
> return result;
>
My apologies--adding Boris, I forgot to put him on the "to" list.
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