linux-kernel - Re: [PATCH v2 0/3] cpufreq: Introduce boot frequency QoS

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Message-ID: <e7bihszshbwidgpgfri4lngwcnsowiwvpps34ealfabbc66fvz@llc5xlsd3gd5>
Date: Thu, 8 Jan 2026 10:07:46 +0530
From: Viresh Kumar <viresh.kumar@...aro.org>
To: Pierre Gondois <pierre.gondois@....com>
Cc: linux-kernel@...r.kernel.org, 
	Christian Loehle <christian.loehle@....com>, Ionela Voinescu <ionela.voinescu@....com>, 
	zhenglifeng1@...wei.com, Jie Zhan <zhanjie9@...ilicon.com>, Huang Rui <ray.huang@....com>, 
	"Gautham R. Shenoy" <gautham.shenoy@....com>, Mario Limonciello <mario.limonciello@....com>, 
	Perry Yuan <perry.yuan@....com>, "Rafael J. Wysocki" <rafael@...nel.org>, 
	linux-pm@...r.kernel.org
Subject: Re: [PATCH v2 0/3] cpufreq: Introduce boot frequency QoS

Sorry for the delay Pierre.

s/boot/boost/ in $Subject.

On 08-12-25, 11:59, Pierre Gondois wrote:
> E.g.:
> On a Juno with available frequencies: 600.000, 1.000.000
> Boost frequencies: 1.200.000
> Using the cppc-cpufreq driver.
> 
> ---
> Without the patches:
> # ## Init state
> scaling_max_freq:1000000
> cpuinfo_max_freq:1000000
> 
> # echo 700000 > scaling_max_freq
> scaling_max_freq:700000
> cpuinfo_max_freq:1000000
> 
> # echo 1 > ../boost
> scaling_max_freq:1200000
> cpuinfo_max_freq:1200000
> 
> # echo 800000 > scaling_max_freq
> scaling_max_freq:800000
> cpuinfo_max_freq:1200000
> 
> # echo 0 > ../boost
> scaling_max_freq:1000000
> cpuinfo_max_freq:1000000
> 
> ---
> With the patches:
> # ## Init
> scaling_max_freq:1000000
> cpuinfo_max_freq:1000000
> 
> # echo 700000 > scaling_max_freq
> scaling_max_freq:700000
> cpuinfo_max_freq:1000000
> 
> # echo 1 > ../boost
> scaling_max_freq:700000
> cpuinfo_max_freq:1200000
> 
> # echo 800000 > scaling_max_freq
> scaling_max_freq:800000
> cpuinfo_max_freq:1200000
> 
> # echo 0 > ../boost
> scaling_max_freq:800000
> cpuinfo_max_freq:1000000

This is rather important, please add this to 1/3's commit log.

-- 
viresh