linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sc7280: Add gpu support

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Message-ID: <CAE-0n50-1eN3wwDukJi0JoTxCKnYx8NT1Ap2r0WDftQ621iBqQ@mail.gmail.com>
Date:   Thu, 29 Jul 2021 12:16:59 -0500
From:   Stephen Boyd <swboyd@...omium.org>
To:     Akhil P Oommen <akhilpo@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS 
        <devicetree@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        dri-devel@...ts.freedesktop.org,
        freedreno <freedreno@...ts.freedesktop.org>,
        linux-arm-msm@...r.kernel.org
Cc:     Jonathan Marek <jonathan@...ek.ca>, linux-kernel@...r.kernel.org,
        Douglas Anderson <dianders@...omium.org>,
        Jordan Crouse <jordan@...micpenguin.net>,
        Andy Gross <agross@...nel.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: Re: [PATCH v2] arm64: dts: qcom: sc7280: Add gpu support

Quoting Akhil P Oommen (2021-07-28 00:17:45)
> On 7/27/2021 5:46 AM, Stephen Boyd wrote:
> > Quoting Akhil P Oommen (2021-07-24 10:29:00)
> >> Add the necessary dt nodes for gpu support in sc7280.
> >>
> >> Signed-off-by: Akhil P Oommen <akhilpo@...eaurora.org>
> >> ---
> >> This patch has dependency on the GPUCC bindings patch here:
> >> https://patchwork.kernel.org/project/linux-arm-msm/patch/1619519590-3019-4-git-send-email-tdas@codeaurora.org/
> >
> > To avoid the dependency the plain numbers can be used.
>
> But, won't that reduce readability and make things prone to error?

The numbers are not supposed to change so maybe it reduces readability
but I don't see how it is prone to error.

> If
> the other patch doesn't get picked up soon, we should try this option.
> We like to get this patch merged in v5.15.

The clk binding is already picked up but Bjorn would need to merge it
into the qcom tree to use it. I don't know what the plan is there.