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arm: dts: qcom: sm845: Set the compatible string for the GPU SMMU

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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: Jordan Crouse <jcrouse@codeaurora.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20201109184728.2463097-5-jcrouse@codeaurora.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Jordan Crouse
2020-11-09 11:47:28 -07:00
committed by Bjorn Andersson
parent ab8e32da3a
commit 7e5258b0b7
2 changed files with 10 additions and 1 deletions
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9
arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi
View File

@@ -633,6 +633,15 @@ &mdss_mdp {
status = "okay";
};
/*
* Cheza fw does not properly program the GPU aperture to allow the
* GPU to update the SMMU pagetables for context switches. Work
* around this by dropping the "qcom,adreno-smmu" compat string.
*/
&adreno_smmu {
compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2";
};
&mss_pil {
iommus = <&apps_smmu 0x781 0x0>,
<&apps_smmu 0x724 0x3>;

2
arch/arm64/boot/dts/qcom/sdm845.dtsi
View File

@@ -4106,7 +4106,7 @@ opp-257000000 {
};
adreno_smmu: iommu@5040000 {
compatible = "qcom,sdm845-smmu-v2", "qcom,smmu-v2";
compatible = "qcom,sdm845-smmu-v2", "qcom,adreno-smmu", "qcom,smmu-v2";
reg = <0 0x5040000 0 0x10000>;
#iommu-cells = <1>;
#global-interrupts = <2>;