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iommu: bcm2712-iommu: Allocate tables on demand; add OF properties #7007

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iommu: bcm2712-iommu: Allocate tables on demand; add OF properties #7007

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iommu: bcm2712-iommu: Allocate tables on demand; add OF properties
njhollinghurst Aug 29, 2025
01363b8
DT: bcm2712: Increase IOMMU2 (ISP-BE, HEVC) IOVA aperture to 4GBytes
njhollinghurst Aug 29, 2025
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3 changes: 2 additions & 1 deletion arch/arm64/boot/dts/broadcom/bcm2712-ds.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -285,6 +285,7 @@
compatible = "brcm,bcm2712-iommu";
reg = <0x10 0x5100 0x0 0x80>;
cache = <&iommuc>;
aperture-size = <0x1 0x00000000>; // Increase IOVA aperture size to 4GBytes
#iommu-cells = <0>;
};

Expand Down Expand Up @@ -497,4 +498,4 @@

&pcie2 {
brcm,vdm-qos-map = /bits/ 8 <8 8 8 9 10 10 11 11>;
};
};
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