linux-kernel - [PATCH 2/2] arm64: dts: qcom: sm8150: Enable split pagetables for Adreno SMMU

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Message-Id: <20221213002626.260267-2-konrad.dybcio@linaro.org>
Date:   Tue, 13 Dec 2022 01:26:26 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org
Cc:     marijn.suijten@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] arm64: dts: qcom: sm8150: Enable split pagetables for Adreno SMMU

From: Marijn Suijten <marijn.suijten@...ainline.org>

Allow the Adreno GPU to access split pagetables specifically on the
dedicated Adreno SMMU via the qcom,adreno-smmu compatible.

Signed-off-by: Marijn Suijten <marijn.suijten@...ainline.org>
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8150.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8150.dtsi b/arch/arm64/boot/dts/qcom/sm8150.dtsi
index 3f940cc3f32b..83b4450fb3eb 100644
--- a/arch/arm64/boot/dts/qcom/sm8150.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8150.dtsi
@@ -2253,7 +2253,7 @@ gpucc: clock-controller@...0000 {
 		};
 
 		adreno_smmu: iommu@...0000 {
-			compatible = "qcom,sm8150-smmu-500", "arm,mmu-500";
+			compatible = "qcom,sm8150-smmu-500", "qcom,adreno-smmu", "arm,mmu-500";
 			reg = <0 0x02ca0000 0 0x10000>;
 			#iommu-cells = <2>;
 			#global-interrupts = <1>;
-- 
2.39.0