diff mbox series

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

Message ID 20220620183633.1131760-3-emma@anholt.net (mailing list archive)
State New, archived
Headers show
Series per-process page tables for qcom 8250 | expand

Commit Message

Emma Anholt June 20, 2022, 6:36 p.m. UTC 
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@anholt.net>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---

v2: moved qcom,adreno-smmu earlier

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

Patch

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>;