linux-kernel - Re: [PATCH v2 1/3] dt-bindings: gpu: add #cooling-cells property to the ARM Mali Midgard GPU binding

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Date:   Thu, 16 May 2019 10:40:38 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Matthias Kaehlcke <mka@...omium.org>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Heiko Stuebner <heiko@...ech.de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        devicetree@...r.kernel.org,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Kevin Hilman <khilman@...libre.com>
Subject: Re: [PATCH v2 1/3] dt-bindings: gpu: add #cooling-cells property to
 the ARM Mali Midgard GPU binding

Hi,

On Thu, May 16, 2019 at 10:25 AM Matthias Kaehlcke <mka@...omium.org> wrote:

> The GPU can be used as a thermal cooling device, add an optional
> '#cooling-cells' property.
>
> Signed-off-by: Matthias Kaehlcke <mka@...omium.org>
> ---
> Changes in v2:
> - patch added to the series
> ---
>  Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
> index 18a2cde2e5f3..61fd41a20f99 100644
> --- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
> +++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt
> @@ -37,6 +37,8 @@ Optional properties:
>  - operating-points-v2 : Refer to Documentation/devicetree/bindings/opp/opp.txt
>    for details.
>
> +- #cooling-cells: Refer to Documentation/devicetree/bindings/thermal/thermal.txt
> +  for details.
>
>  Example for a Mali-T760:
>
> @@ -51,6 +53,7 @@ gpu@...30000 {
>         mali-supply = <&vdd_gpu>;
>         operating-points-v2 = <&gpu_opp_table>;
>         power-domains = <&power RK3288_PD_GPU>;
> +       #cooling-cells = <2>;
>  };

You will conflict with d5ff1adb3809 ("dt-bindings: gpu: mali-midgard:
Add resets property"), but it's easy to rebase.  I'll leave it to
whoever is going to land this to decide if they would like you to
re-post or if they can handle resolving the conflict themselves.
+Kevin who appears to be the one who landed the conflicting commit.

With that:

Reviewed-by: Douglas Anderson <dianders@...omium.org>