linux-kernel - [PATCH 18/20] arm: dts: qcom: sc7180: Set the compatible string for the GPU SMMU

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Message-Id: <20200824183825.1778810-19-robdclark@gmail.com>
Date:   Mon, 24 Aug 2020 11:37:52 -0700
From:   Rob Clark <robdclark@...il.com>
To:     dri-devel@...ts.freedesktop.org, iommu@...ts.linux-foundation.org
Cc:     Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Will Deacon <will@...nel.org>, freedreno@...ts.freedesktop.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Rob Clark <robdclark@...omium.org>,
        Akhil P Oommen <akhilpo@...eaurora.org>,
        AngeloGioacchino Del Regno <kholk11@...il.com>,
        Ben Dooks <ben.dooks@...ethink.co.uk>,
        Brian Masney <masneyb@...tation.org>,
        Eric Anholt <eric@...olt.net>, Joerg Roedel <jroedel@...e.de>,
        John Stultz <john.stultz@...aro.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org (open list:ARM/QUALCOMM SUPPORT),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 18/20] arm: dts: qcom: sc7180: Set the compatible string for the GPU SMMU

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.

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