CONFIG_MTK_IOMMU_V1: MediaTek IOMMU Version 1 (M4U gen1) Support

General informations

The Linux kernel configuration item CONFIG_MTK_IOMMU_V1 has multiple definitions:

MediaTek IOMMU Version 1 (M4U gen1) Support found in drivers/iommu/Kconfig

The configuration item CONFIG_MTK_IOMMU_V1:

• prompt: MediaTek IOMMU Version 1 (M4U gen1) Support
• type: tristate
• depends on: ( CONFIG_ARM ) && ( CONFIG_ARCH_MEDIATEK || CONFIG_COMPILE_TEST )
• defined in drivers/iommu/Kconfig
• found in Linux kernels: 5.13–5.19, 6.0, 6.0+HEAD
• modules built: mtk_iommu_v1

Help text

Support for the M4U on certain Mediatek SoCs. M4U generation 1 HW is Multimedia Memory Managememt Unit. This option enables remapping of DMA memory accesses for the multimedia subsystem.

if unsure, say N here.

MTK IOMMU Version 1 (M4U gen1) Support found in drivers/iommu/Kconfig

The configuration item CONFIG_MTK_IOMMU_V1:

• prompt: MTK IOMMU Version 1 (M4U gen1) Support
• type: bool
• depends on: ( CONFIG_ARM ) && ( CONFIG_ARCH_MEDIATEK || CONFIG_COMPILE_TEST )
• defined in drivers/iommu/Kconfig
• found in Linux kernels: 4.8–4.20, 5.0–5.12
• modules built: mtk_iommu_v1

Help text

Support for the M4U on certain Mediatek SoCs. M4U generation 1 HW is Multimedia Memory Managememt Unit. This option enables remapping of DMA memory accesses for the multimedia subsystem.

if unsure, say N here.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module mtk_iommu_v1 CONFIG_MTK_IOMMU_V1 : drivers/iommu/Kconfig : "MediaTek IOMMU Version 1 (M4U gen1) Support" # in 5.13–5.19, 6.0, 6.0+HEAD
• lkddb of "" "" "mediatek,mt2701-m4u" : CONFIG_IOMMU_SUPPORT CONFIG_MTK_IOMMU_V1 : drivers/iommu/mtk_iommu_v1.c # in 4.8–4.20, 5.0
• lkddb of "" "" "mediatek,mt2701-m4u" : CONFIG_MTK_IOMMU_V1 : drivers/iommu/mtk_iommu_v1.c # in 5.1–5.19, 6.0, 6.0+HEAD
• lkddb platform "mtk-iommu" : CONFIG_IOMMU_SUPPORT CONFIG_MTK_IOMMU_V1 : drivers/iommu/mtk_iommu_v1.c # in 4.8–4.14
• lkddb platform "mtk-iommu-v1" : CONFIG_IOMMU_SUPPORT CONFIG_MTK_IOMMU_V1 : drivers/iommu/mtk_iommu_v1.c # in 4.15–4.20, 5.0
• lkddb platform "mtk-iommu-v1" : CONFIG_MTK_IOMMU_V1 : drivers/iommu/mtk_iommu_v1.c # in 5.1–5.19, 6.0, 6.0+HEAD

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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