Re: [PATCH RFC 1/2] arm64: dts: qcom: msm8953: Add GPU IOMMU

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On 1/25/24 23:24, Dmitry Baryshkov wrote:
On 25/01/2024 23:56, Luca Weiss wrote:
From: Vladimir Lypak <vladimir.lypak@xxxxxxxxx>

Add the IOMMU used for the GPU on MSM8953.

Signed-off-by: Vladimir Lypak <vladimir.lypak@xxxxxxxxx>
  arch/arm64/boot/dts/qcom/msm8953.dtsi | 31 +++++++++++++++++++++++++++++++
  1 file changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi
index dcb5c98b793c..91d083871ab0 100644
--- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
@@ -1046,6 +1046,37 @@ mdss_dsi1_phy: phy@1a96400 {
+        gpu_iommu: iommu@1c48000 {

Nit: most of the platforms use the adreno_smmu label. But maybe the msm-iommu vs arm-smmu makes difference here.

Not really :)

Please keep the labels unified


Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

+            compatible = "qcom,msm8953-iommu", "qcom,msm-iommu-v2";
+            ranges = <0 0x01c48000 0x8000>;
+            clocks = <&gcc GCC_OXILI_AHB_CLK>,
+                 <&gcc GCC_BIMC_GFX_CLK>;

And align these


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