Commit 7e5258b0 authored Nov 09, 2020 by Jordan Crouse Committed by Bjorn Andersson Nov 10, 2020

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



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>

parent ab8e32da

arch/arm64/boot/dts/qcom/sdm845-cheza.dtsi

+9 −0

Original line number	Diff line number	Diff line
		@@ -633,6 +633,15 @@ ap_ts_i2c: &i2c14 {
		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>;

arch/arm64/boot/dts/qcom/sdm845.dtsi

+1 −1

Original line number	Diff line number	Diff line
		@@ -4106,7 +4106,7 @@
		};

		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>;