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[linux-nvidia-6.18] Use device ID range for DGX Spark iGPU #444

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arighi wants to merge 2 commits into from
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[linux-nvidia-6.18] Use device ID range for DGX Spark iGPU #444

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b358835
NVIDIA: SAUCE: iommu/arm-smmu-v3: Add two more DGX Spark iGPU IDs for…
nirmoy Nov 20, 2025
9aef994
NVIDIA: SAUCE: iommu/arm-smmu-v3: Use device ID range for DGX Spark i…
abhsahu Apr 27, 2026
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4 changes: 4 additions & 0 deletions drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3791,6 +3791,10 @@ static int arm_smmu_def_domain_type(struct device *dev)

if (IS_HISI_PTT_DEVICE(pdev))
return IOMMU_DOMAIN_IDENTITY;

if (pdev->vendor == PCI_VENDOR_ID_NVIDIA &&
pdev->device >= 0x2E00 && pdev->device <= 0x2E3F)
return IOMMU_DOMAIN_DMA;
}

return 0;
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