linux-kernel - Re: [PATCH v8] arm64: dts: sdm845: Add gpu and gmu device nodes

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Message-ID: <CAD=FV=U0_wi8mJNOXjsPdS7Yrmvbvw1+B20t-=KzDG+tnD8HUw@mail.gmail.com>
Date:   Thu, 17 Jan 2019 15:15:18 -0800
From:   Doug Anderson <dianders@...omium.org>
To:     Jordan Crouse <jcrouse@...eaurora.org>,
        Andy Gross <andy.gross@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     freedreno <freedreno@...ts.freedesktop.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        devicetree@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        David Brown <david.brown@...aro.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v8] arm64: dts: sdm845: Add gpu and gmu device nodes

Hi,

On Wed, Jan 16, 2019 at 10:03 AM Jordan Crouse <jcrouse@...eaurora.org> wrote:
> +               gpu@...0000 {
> +                       compatible = "qcom,adreno-630.2", "qcom,adreno";
> +                       #stream-id-cells = <16>;
> +
> +                       reg = <0x5000000 0x40000>, <0x509e000 0x10>;

This will now need to be adjusted to:

reg = <0 0x05000000 0 0x40000>, <0 0x0509e000 0 0x10>;

This fixes things up to deal with the patch ("arm64: dts: qcom:
sdm845: Increase address and size cells for soc"), AKA:
- https://patchwork.kernel.org/patch/10767511/
- https://lkml.kernel.org/r/20190117042940.25487-2-bjorn.andersson@linaro.org


> +               adreno_smmu: iommu@...0000 {
> +                       compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2";
> +                       reg = <0x5040000 0x10000>;

This one to:

reg = <0 0x05040000 0 0x10000>;


> +               gmu: gmu@...a000 {
> +                       compatible="qcom,adreno-gmu-630.2", "qcom,adreno-gmu";
> +
> +                       reg = <0x506a000 0x30000>,
> +                               <0xb280000 0x10000>,
> +                               <0xb480000 0x10000>;

This one to:

reg = <0 0x0506a000 0 0x30000>,
        <0 0x0b280000 0 0x10000>,
        <0 0x0b480000 0 0x10000>;


In the email:

https://lkml.kernel.org/r/20190117192955.16515-1-bjorn.andersson@linaro.org

...Bjorn provided a link to a github tree that should be OK to use as
a basis for sending a new patch.  Specifically
<https://github.com/andersson/kernel/commits/for-andy/arm64-for-5.1>.
That tree not only has the address-cells / size-cells change but also
has gpucc.


-Doug