CONFIG_MTK_IOMMU: MediaTek IOMMU Support

General informations

The Linux kernel configuration item CONFIG_MTK_IOMMU has multiple definitions:

MediaTek IOMMU Support found in drivers/iommu/Kconfig

The configuration item CONFIG_MTK_IOMMU:

• prompt: MediaTek IOMMU Support
• type: tristate
• depends on: CONFIG_ARCH_MEDIATEK || CONFIG_COMPILE_TEST
• defined in drivers/iommu/Kconfig
• found in Linux kernels: 5.13–5.19, 6.0–6.11, 6.12-rc+HEAD
• modules built: mtk_iommu

Help text

Support for the M4U on certain Mediatek SOCs. M4U is MultiMedia Memory Management Unit. This option enables remapping of DMA memory accesses for the multimedia subsystem.

If unsure, say N here.

MTK IOMMU Support found in drivers/iommu/Kconfig

The configuration item CONFIG_MTK_IOMMU:

• prompt: MTK IOMMU Support
• type: bool
• depends on: CONFIG_ARCH_MEDIATEK || CONFIG_COMPILE_TEST
• defined in drivers/iommu/Kconfig
• found in Linux kernels: 4.6–4.20, 5.0–5.12
• modules built: mtk_iommu

Help text

Support for the M4U on certain Mediatek SOCs. M4U is MultiMedia Memory Management 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 CONFIG_MTK_IOMMU : drivers/iommu/Kconfig : "MediaTek IOMMU Support" # in 5.13–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt2712-m4u" : CONFIG_IOMMU_SUPPORT CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 4.14–4.20, 5.0
• lkddb of "" "" "mediatek,mt2712-m4u" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.1–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt6779-m4u" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.9–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt6795-m4u" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 6.1–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8167-m4u" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.10–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8173-m4u" : CONFIG_IOMMU_SUPPORT CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 4.6–4.20, 5.0
• lkddb of "" "" "mediatek,mt8173-m4u" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.1–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8183-m4u" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.4–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8186-iommu-mm" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8188-iommu-infra" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 6.6–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8188-iommu-vdo" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 6.6–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8188-iommu-vpp" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 6.6–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8192-m4u" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.12–5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8195-iommu-infra" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8195-iommu-vdo" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8195-iommu-vpp" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.19, 6.0–6.11, 6.12-rc+HEAD
• lkddb of "" "" "mediatek,mt8365-m4u" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 6.2–6.11, 6.12-rc+HEAD
• lkddb platform "mtk-iommu" : CONFIG_IOMMU_SUPPORT CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 4.6–4.20, 5.0
• lkddb platform "mtk-iommu" : CONFIG_MTK_IOMMU : drivers/iommu/mtk_iommu.c # in 5.1–5.19, 6.0–6.11, 6.12-rc+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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