linux-kernel - Re: [PATCH] opp: Provide a function for just setting bandwidth

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <8a2eb4ff-8a27-0a37-b9cc-1f522ddd1fa8@linaro.org>
Date:   Mon, 29 May 2023 13:40:08 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Georgi Djakov <djakov@...nel.org>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] opp: Provide a function for just setting bandwidth



On 29.05.2023 12:38, Georgi Djakov wrote:
> Hi Konrad,
> 
> On 26.05.23 12:17, Konrad Dybcio wrote:
>> Currently it's not possible to set just the bandwidth if the OPP
>> describes other properties (required-opps, opp-hz etc.).
>>
>> Introduce dev_pm_opp_set_bw() to solve this problem.
>>
> 
> Who is going to use this?
I wanted to use it with Adreno for fine-grained control during system
suspend/resume. It turned out that I was essentially then trying to power
on the hardware without its power supply.


https://lore.kernel.org/linux-kernel/8b7f4b22-76e2-e812-92ed-35e5ecdd6309@kernel.org/T/#t

Konrad
> 
> BR,
> Georgi
>