UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

arm64: dts: qcom: sm8250: Enable per-process page tables. 

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>
[bjorn: Move arm,smmu-500 last, per Dmitry's request]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220614230136.3726047-2-emma@anholt.net
This commit is contained in:
Emma Anholt 2022-06-14 16:01:36 -07:00 committed by Bjorn Andersson
parent 7618a2de81
commit 213d736872
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm64/boot/dts/qcom/sm8250.dtsi
View File

@ -2625,7 +2625,7 @@
}; };
adreno_smmu: iommu@3da0000 { 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>; reg = <0 0x03da0000 0 0x10000>;
#iommu-cells = <2>; #iommu-cells = <2>;
#global-interrupts = <2>; #global-interrupts = <2>;