[PATCH v2 2/2] arm64: dts: qcom: sm8250: Enable per-process page tables.

From: Emma Anholt
Date: Mon Jun 20 2022 - 14:36:59 EST


This is an SMMU for the adreno gpu, and adding this compatible lets
the driver use per-fd page tables, which are required for security
between GPU clients.

Signed-off-by: Emma Anholt <emma@xxxxxxxxxx>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---

v2: moved qcom,adreno-smmu earlier

arch/arm64/boot/dts/qcom/sm8250.dtsi | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index a92230bec1dd..aae7b841b81a 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -2513,7 +2513,7 @@ gpucc: clock-controller@3d90000 {
};

adreno_smmu: iommu@3da0000 {
- compatible = "qcom,sm8250-smmu-500", "arm,mmu-500";
+ compatible = "qcom,sm8250-smmu-500", "qcom,adreno-smmu", "arm,mmu-500";
reg = <0 0x03da0000 0 0x10000>;
#iommu-cells = <2>;
#global-interrupts = <2>;
--
2.36.1