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]
Date:   Tue, 24 Nov 2020 16:25:08 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     Michael Kao <michael.kao@...iatek.com>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        srv_heupstream@...iatek.com,
        Eduardo Valentin <edubezval@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Devicetree List <devicetree@...r.kernel.org>,
        lkml <linux-kernel@...r.kernel.org>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: Re: [v5 2/3] arm64: dts: mt8183: Configure CPU cooling

On Tue, Oct 13, 2020 at 6:24 PM Michael Kao <michael.kao@...iatek.com> wrote:
>
> From: Matthias Kaehlcke <mka@...omium.org>
>
> Add two passive trip points at 68°C and 80°C for the CPU temperature.
>
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> Signed-off-by: Michael Kao <michael.kao@...iatek.com>

Tested-by: Hsin-Yi Wang <hsinyi@...omium.org>

> ---
>  arch/arm64/boot/dts/mediatek/mt8183.dtsi | 56 ++++++++++++++++++++++++
>  1 file changed, 56 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> index 1cd093cf33f3..0614f18a1ea2 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
> @@ -10,6 +10,7 @@
>  #include <dt-bindings/interrupt-controller/irq.h>
>  #include <dt-bindings/reset-controller/mt8183-resets.h>
>  #include <dt-bindings/phy/phy.h>
> +#include <dt-bindings/thermal/thermal.h>
>  #include "mt8183-pinfunc.h"
>
>  / {
> @@ -450,6 +451,61 @@
>                                 polling-delay = <500>;
>                                 thermal-sensors = <&thermal 0>;
>                                 sustainable-power = <5000>;
> +
> +                               trips {
> +                                       threshold: trip-point@0 {
> +                                               temperature = <68000>;
> +                                               hysteresis = <2000>;
> +                                               type = "passive";
> +                                       };
> +
> +                                       target: trip-point@1 {
> +                                               temperature = <80000>;
> +                                               hysteresis = <2000>;
> +                                               type = "passive";
> +                                       };
> +
> +                                       cpu_crit: cpu-crit {
> +                                               temperature = <115000>;
> +                                               hysteresis = <2000>;
> +                                               type = "critical";
> +                                       };
> +                               };
> +
> +                               cooling-maps {
> +                                       map0 {
> +                                               trip = <&target>;
> +                                               cooling-device = <&cpu0
> +                                                       THERMAL_NO_LIMIT
> +                                                       THERMAL_NO_LIMIT>,
> +                                                                <&cpu1
> +                                                       THERMAL_NO_LIMIT
> +                                                       THERMAL_NO_LIMIT>,
> +                                                                <&cpu2
> +                                                       THERMAL_NO_LIMIT
> +                                                       THERMAL_NO_LIMIT>,
> +                                                                <&cpu3
> +                                                       THERMAL_NO_LIMIT
> +                                                       THERMAL_NO_LIMIT>;
> +                                               contribution = <3072>;
> +                                       };
> +                                       map1 {
> +                                               trip = <&target>;
> +                                               cooling-device = <&cpu4
> +                                                       THERMAL_NO_LIMIT
> +                                                       THERMAL_NO_LIMIT>,
> +                                                                <&cpu5
> +                                                       THERMAL_NO_LIMIT
> +                                                       THERMAL_NO_LIMIT>,
> +                                                                <&cpu6
> +                                                       THERMAL_NO_LIMIT
> +                                                       THERMAL_NO_LIMIT>,
> +                                                                <&cpu7
> +                                                       THERMAL_NO_LIMIT
> +                                                       THERMAL_NO_LIMIT>;
> +                                               contribution = <1024>;
> +                                       };
> +                               };
>                         };
>
>                         /* The tzts1 ~ tzts6 don't need to polling */
> --
> 2.18.0

Powered by blists - more mailing lists