linux-kernel - Re: [PATCH v16 20/20] arm: dts: qcom: sc7180: Set the compatible string for the GPU SMMU

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Message-ID: <20200904160658.GJ3715@yoga>
Date:   Fri, 4 Sep 2020 11:06:58 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Rob Clark <robdclark@...il.com>
Cc:     dri-devel@...ts.freedesktop.org, iommu@...ts.linux-foundation.org,
        linux-arm-msm@...r.kernel.org, Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Sibi Sankar <sibis@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Akhil P Oommen <akhilpo@...eaurora.org>,
        Rob Clark <robdclark@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v16 20/20] arm: dts: qcom: sc7180: Set the compatible
 string for the GPU SMMU

On Tue 01 Sep 11:46 CDT 2020, Rob Clark wrote:

> From: Rob Clark <robdclark@...omium.org>
> 
> Set the qcom,adreno-smmu compatible string for the GPU SMMU to enable
> split pagetables and per-instance pagetables for drm/msm.
> 

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> Signed-off-by: Rob Clark <robdclark@...omium.org>
> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index d46b3833e52f..f3bef1cad889 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -1937,7 +1937,7 @@ opp-180000000 {
>  		};
>  
>  		adreno_smmu: iommu@...0000 {
> -			compatible = "qcom,sc7180-smmu-v2", "qcom,smmu-v2";
> +			compatible = "qcom,sc7180-smmu-v2", "qcom,adreno-smmu", "qcom,smmu-v2";
>  			reg = <0 0x05040000 0 0x10000>;
>  			#iommu-cells = <1>;
>  			#global-interrupts = <2>;
> -- 
> 2.26.2
>