linux-kernel - Re: [PATCH v5 0/3] ARM: sun8i-r40: CPU improve

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Message-ID: <1753004.3VsfAaAtOV@kista>
Date:   Tue, 05 Jul 2022 21:41:44 +0200
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     linux-sunxi@...ts.linux.dev, qianfanguijin@....com
Cc:     Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        qianfan Zhao <qianfanguijin@....com>
Subject: Re: [PATCH v5 0/3] ARM: sun8i-r40: CPU improve

Dne torek, 17. maj 2022 ob 03:36:04 CEST je qianfanguijin@....com napisal(a):
> From: qianfan Zhao <qianfanguijin@....com>
> 
> Change history:
> ===============
> v5(2022-05-17):
> - Move opp tables to sun8i-r40-cpu-opp.dtsi
> - cpufreq supports 720M, 912M, 1G, 1.1G, 1.2G
> - Add cooling supports
> 
> v4(2022-05-16):
> - Invert two patches.
> - Drop the cpufreqs that exceeds 1G in opp tables.
> 
> v3:
> - remove "allwinner-r40" compatible from allowlist.
> - split dts in two part.
> 
> Test:
> =====
> 
> cpufreq was tested by tools: https://github.com/ssvb/cpuburn-arm
> 
> 1. cpufreq-ljt-stress-test
> 
> - root@...ntu:~/cpuburn-arm-master# ./cpufreq-ljt-stress-test
> - CPU stress test, which is doing JPEG decoding by libjpeg-turbo
> - at different cpufreq operating points.
> -
> - Testing CPU 0
> -  1200 MHz ............................................................ OK
> -  1104 MHz ............................................................ OK
> -  1008 MHz ............................................................ OK
> -   912 MHz ............................................................ OK
> -   720 MHz ............................................................ OK
> -
> - Testing CPU 1
> -  1200 MHz ............................................................ OK
> -  1104 MHz ............................................................ OK
> -  1008 MHz ............................................................ OK
> -   912 MHz ............................................................ OK
> -   720 MHz ............................................................ OK
> -
> - Testing CPU 2
> -  1200 MHz ............................................................ OK
> -  1104 MHz ............................................................ OK
> -  1008 MHz ............................................................ OK
> -   912 MHz ............................................................ OK
> -   720 MHz ............................................................ OK
> -
> - Testing CPU 3
> -  1200 MHz ............................................................ OK
> -  1104 MHz ............................................................ OK
> -  1008 MHz ............................................................ OK
> -   912 MHz ............................................................ OK
> -   720 MHz ............................................................ OK
> 
> Overall result : PASSED
> 
> 2. cpu freq slow down when cpuburn-a7.out running
> 
> - temperature: 79213, online: 0-3, freq: 1200000
> - temperature: 79213, online: 0-3, freq: 1200000
> - temperature: 80230, online: 0-3, freq: 1104000
> - temperature: 78874, online: 0-3, freq: 1200000
> - temperature: 80004, online: 0-3, freq: 1104000
> - temperature: 79213, online: 0-3, freq: 1200000
> - temperature: 78196, online: 0-3, freq: 1200000
> - temperature: 79891, online: 0-3, freq: 1200000
> - temperature: 78422, online: 0-3, freq: 1200000
> - temperature: 80343, online: 0-3, freq: 1104000
> - temperature: 80343, online: 0-3, freq: 1104000
> 
> 
> qianfan Zhao (3):
>   ARM: dts: sun8i-r40: Add "cpu-supply" node for sun8i-r40 based board
>   ARM: dts: sun8i-r40: add opp table for cpu
>   ARM: dts: sun8i-r40: Add thermal trip points/cooling maps

Fixed opp table name and applied. Thanks!

Best regards,
Jernej

> 
>  .../boot/dts/sun8i-r40-bananapi-m2-ultra.dts  |  5 ++
>  arch/arm/boot/dts/sun8i-r40-cpu-opp.dtsi      | 52 +++++++++++++++++++
>  arch/arm/boot/dts/sun8i-r40-feta40i.dtsi      |  5 ++
>  arch/arm/boot/dts/sun8i-r40.dtsi              | 36 +++++++++++++
>  arch/arm/boot/dts/sun8i-t3-cqa3t-bv3.dts      |  5 ++
>  .../boot/dts/sun8i-v40-bananapi-m2-berry.dts  |  5 ++
>  6 files changed, 108 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun8i-r40-cpu-opp.dtsi
> 
> --
> 2.25.1