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Date:   Tue, 17 Oct 2023 01:53:19 +0530
From:   Akhil P Oommen <quic_akhilpo@quicinc.com>
To:     Konrad Dybcio <konrad.dybcio@linaro.org>
CC:     Rob Clark <robdclark@gmail.com>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        <cros-qcom-dts-watchers@chromium.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Stephen Boyd <swboyd@chromium.org>,
        Rob Clark <robdclark@chromium.org>,
        <devicetree@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
        Luca Weiss <luca.weiss@fairphone.com>,
        Marijn Suijten <marijn.suijten@somainline.org>,
        <freedreno@lists.freedesktop.org>
Subject: Re: [Freedreno] [PATCH 6/7] arm64: dts: qcom: sc7280: Mark Adreno
 SMMU as DMA coherent
Message-ID: <3aseuir2pvvfewb6ot7lxwpzcjfqvboofz5pmkfiveprfybyin@atmuqgmowrq2>
References: <20230926-topic-a643-v1-0-7af6937ac0a3@linaro.org>
 <20230926-topic-a643-v1-6-7af6937ac0a3@linaro.org>
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On Tue, Sep 26, 2023 at 08:24:41PM +0200, Konrad Dybcio wrote:
> 
> The SMMUs on sc7280 are cache-coherent. APPS_SMMU is marked as such,
> mark the GPU one as well.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>

-Akhil

> ---
>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> index 0d96d1454c49..edaca6c2cf8c 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
> @@ -2783,6 +2783,7 @@ adreno_smmu: iommu@3da0000 {
>  					"gpu_cc_hub_aon_clk";
>  
>  			power-domains = <&gpucc GPU_CC_CX_GDSC>;
> +			dma-coherent;
>  		};
>  
>  		remoteproc_mpss: remoteproc@4080000 {
> 
> -- 
> 2.42.0
>