linux-kernel - Re: [PATCH v2 2/2] cpufreq: acpi: Mark boost policy as enabled when setting boost

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Date: Thu, 27 Jun 2024 10:47:21 +0530
From: Gautham R.Shenoy <gautham.shenoy@....com>
To: Mario Limonciello <mario.limonciello@....com>, <linux-pm@...r.kernel.org>
CC: <linux-kernel@...r.kernel.org>, Mario Limonciello
	<mario.limonciello@....com>, Viresh Kumar <viresh.kumar@...aro.org>, "Sibi
 Sankar" <quic_sibis@...cinc.com>, Dietmar Eggemann
	<dietmar.eggemann@....com>, Dhruva Gole <d-gole@...com>, Yipeng Zou
	<zouyipeng@...wei.com>, "Rafael J . Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH v2 2/2] cpufreq: acpi: Mark boost policy as enabled when
 setting boost

Mario Limonciello <mario.limonciello@....com> writes:

> When boost is set for CPUs using acpi-cpufreq the policy is not
> updated which can cause boost to be incorrectly not reported.
>
> Suggested-by: Viresh Kumar <viresh.kumar@...aro.org>
> Suggested-by: Gautham R. Shenoy <gautham.shenoy@....com>
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>
> ---
> Cc: Sibi Sankar <quic_sibis@...cinc.com>
> Cc: Dietmar Eggemann <dietmar.eggemann@....com>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>
> Cc: Dhruva Gole <d-gole@...com>
> Cc: Yipeng Zou <zouyipeng@...wei.com>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> v1->v2:
>  * Move to init as suggested by Viresh

Reviewed-by: Gautham R. Shenoy <gautham.shenoy@....com>


> ---
>  drivers/cpufreq/acpi-cpufreq.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
> index 2fc82831bddd..fa2664f9f259 100644
> --- a/drivers/cpufreq/acpi-cpufreq.c
> +++ b/drivers/cpufreq/acpi-cpufreq.c
> @@ -888,8 +888,10 @@ 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");
>  
> -	if (acpi_cpufreq_driver.set_boost)
> +	if (acpi_cpufreq_driver.set_boost) {
>  		set_boost(policy, acpi_cpufreq_driver.boost_enabled);
> +		policy->boost_enabled = acpi_cpufreq_driver.boost_enabled;
> +	}
>  
>  	return result;
>  
> -- 
> 2.43.0