linux-kernel - Re: [PATCH v2 3/4] arm64: dts: rockchip: Add OPP data for CPU cores on RK3588

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: <CABjd4YzR6KuqqXQQaTt5Fw_QKwkSf4iaBiM_KXX_sFoD4bNX9A@mail.gmail.com>
Date: Wed, 31 Jan 2024 13:34:34 +0400
From: Alexey Charkov <alchark@...il.com>
To: Heiko Stübner <heiko@...ech.de>
Cc: Rob Herring <robh+dt@...nel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>, 
	Daniel Lezcano <daniel.lezcano@...aro.org>, Dragan Simic <dsimic@...jaro.org>, 
	Viresh Kumar <viresh.kumar@...aro.org>, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/4] arm64: dts: rockchip: Add OPP data for CPU cores
 on RK3588

On Wed, Jan 31, 2024 at 1:12 PM Heiko Stübner <heiko@...ech.de> wrote:
>
> Am Dienstag, 30. Januar 2024, 19:21:15 CET schrieb Alexey Charkov:
> > By default the CPUs on RK3588 start up in a conservative performance
> > mode. Add frequency and voltage mappings to the device tree to enable
> > dynamic scaling via cpufreq
>
> Please add a paragraph describing where the opp values comes from.
> Probably just the vendor kernel, which is fine, but I really like to
> document that these values have some sort of grounds ;-)

Will do, thank you! Yes, these are from the vendor kernel, namely from
Radxa's version [1].

[1] https://github.com/radxa/kernel/blob/stable-5.10-rock5/arch/arm64/boot/dts/rockchip/rk3588s.dtsi

Best regards,
Alexey