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Message-ID: <713b319e-bb7b-4743-59f0-b9892c3da92d@gmail.com>
Date: Mon, 9 Nov 2020 07:47:48 +0300
From: Dmitry Osipenko <digetx@...il.com>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Ulf Hansson <ulf.hansson@...aro.org>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Alan Stern <stern@...land.harvard.edu>,
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Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Lee Jones <lee.jones@...aro.org>,
Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
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Subject: Re: [PATCH v1 00/30] Introduce core voltage scaling for NVIDIA
Tegra20/30 SoCs
09.11.2020 07:43, Viresh Kumar пишет:
> On 08-11-20, 15:19, Dmitry Osipenko wrote:
>> I took a detailed look at the GENPD and tried to implement it. Here is
>> what was found:
>>
>> 1. GENPD framework doesn't aggregate performance requests from the
>> attached devices. This means that if deviceA requests performance state
>> 10 and then deviceB requests state 3, then framework will set domain's
>> state to 3 instead of 10.
>
> It does. Look at _genpd_reeval_performance_state().
>
Thanks, I probably had a bug in the quick prototype and then overlooked
that function.
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