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Message-ID: <42d4a413-a4a5-42c3-bcfd-db3485fdbae3@linaro.org>
Date: Mon, 12 Feb 2024 14:33:25 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
 James Schulman <james.schulman@...rus.com>,
 David Rhodes <david.rhodes@...rus.com>,
 Richard Fitzgerald <rf@...nsource.cirrus.com>,
 Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
 Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Ricardo Rivera-Matos <rriveram@...nsource.cirrus.com>,
 Bjorn Andersson <andersson@...nel.org>, Abel Vesa <abel.vesa@...aro.org>,
 Sai Prakash Ranjan <quic_saipraka@...cinc.com>,
 Kees Cook <keescook@...omium.org>, Tony Luck <tony.luck@...el.com>,
 "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>,
 alsa-devel@...a-project.org, patches@...nsource.cirrus.com,
 linux-sound@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH 4/7] arm64: dts: qcom: sm8550: Mark APPS SMMU as
 dma-coherent

On 12/02/2024 14:10, Konrad Dybcio wrote:
> Like on earlier flagship Qualcomm SoCs, the SMMU is dma-coherent.
> Mark it as such.
> 
> Fixes: ffc50b2d3828 ("arm64: dts: qcom: Add base SM8550 dtsi")
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>   arch/arm64/boot/dts/qcom/sm8550.dtsi | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> index d696ec6c6850..868d48b85555 100644
> --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
> @@ -3934,6 +3934,7 @@ apps_smmu: iommu@...00000 {
>   				     <GIC_SPI 694 IRQ_TYPE_LEVEL_HIGH>,
>   				     <GIC_SPI 695 IRQ_TYPE_LEVEL_HIGH>,
>   				     <GIC_SPI 696 IRQ_TYPE_LEVEL_HIGH>;
> +			dma-coherent;
>   		};
>   
>   		intc: interrupt-controller@...00000 {
> 

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>

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