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

[Emma Anholt]

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 at anholt.net>
---

Tested with a full deqp-vk run on RB5, which did involve some iommu faults.

 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..483c0e0f1d1a 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -2513,7 +2513,7 @@ gpucc: clock-controller at 3d90000 {
 		};
 
 		adreno_smmu: iommu at 3da0000 {
-			compatible = "qcom,sm8250-smmu-500", "arm,mmu-500";
+			compatible = "qcom,sm8250-smmu-500", "arm,mmu-500", "qcom,adreno-smmu";
 			reg = <0 0x03da0000 0 0x10000>;
 			#iommu-cells = <2>;
 			#global-interrupts = <2>;
-- 
2.36.1