From mboxrd@z Thu Jan  1 00:00:00 1970
From: Heiko Stuebner <heiko@sntech.de>
Subject: Re: [PATCH v2 1/3] dt-bindings: gpu: add #cooling-cells property to the ARM Mali Midgard GPU binding
Date: Fri, 17 May 2019 12:37:45 +0200
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References: <20190516172510.181473-1-mka@chromium.org> <CAD=FV=UQcv1+HC2eAk2ctBofufCi9-VvWc+OnY0mtBw3L-YG+Q@mail.gmail.com>
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To: Doug Anderson <dianders@chromium.org>
Cc: Matthias Kaehlcke <mka@chromium.org>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Linux ARM <linux-arm-kernel@lists.infradead.org>, "open list:ARM/Rockchip SoC..." <linux-rockchip@lists.infradead.org>, devicetree@vger.kernel.org, dri-devel <dri-devel@lists.freedesktop.org>, Kevin Hilman <khilman@baylibre.com>
List-Id: devicetree@vger.kernel.org

Am Donnerstag, 16. Mai 2019, 19:40:38 CEST schrieb Doug Anderson:
> Hi,
> 
> On Thu, May 16, 2019 at 10:25 AM Matthias Kaehlcke <mka@chromium.org> wrote:
> 
> > The GPU can be used as a thermal cooling device, add an optional
> > '#cooling-cells' property.
> >
> > Signed-off-by: Matthias Kaehlcke <mka@chromium.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@ffa30000 {
> >         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.

No problem, I can update this comment when applying
(likely to drm-misc to not create more conflicts),
but will give Rob a bit more time to possibly object :-)

[somewhere in the recent past, he said to not wait on him on the tiny
property-additions, and cooling-cells is pretty well used one at that]


> With that:
> 
> Reviewed-by: Douglas Anderson <dianders@chromium.org>