linux-kernel - Re: [PATCH] cpufreq: exclude boost frequencies from valid count if not enabled

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Message-ID: <d693d999-7734-3e69-edb9-9e03fd2f0d1a@linaro.org>
Date:   Thu, 18 Feb 2021 10:03:20 -0500
From:   Thara Gopinath <thara.gopinath@...aro.org>
To:     Viresh Kumar <viresh.kumar@...aro.org>
Cc:     rjw@...ysocki.net, bjorn.andersson@...aro.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH] cpufreq: exclude boost frequencies from valid count if
 not enabled



On 2/18/21 3:48 AM, Viresh Kumar wrote:
> On 17-02-21, 10:32, Thara Gopinath wrote:
>> First of all, I am still unable to find this setting in the sysfs space.
> 
> The driver needs to call cpufreq_enable_boost_support() for that.

Ok. that makes sense.

> 
>> Irrespective the ideal behavior here will be to change the cpufreq cooling
>> dev max state when this happens.
> 
> Hmm.. recreating it every time boost frequency is enabled is like
> inviting trouble and it will be tricky. Maybe it can be done, I don't
> know.:)

Scheduling a notifier for max frequency change from the qos framework 
should do the work, right?

> 

-- 
Warm Regards
Thara