Navigation: Linux Kernel Driver DataBase - web LKDDB: Main index - D index         

CONFIG_DMAR_GFX_WA: Support for Graphics workaround

General informations

The Linux kernel configuration item CONFIG_DMAR_GFX_WA:

• prompt: Support for Graphics workaround
• type: bool
• depends on: CONFIG_DMAR
• defined in arch/x86/Kconfig
• found in Linux kernels: 2.6.24–2.6.30

Help text

Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config option permits the IOMMU driver to set a unity map for all the OS-visible memory. Hence the driver can continue to use physical addresses for DMA.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

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)

Automatic links from google (and ads)

Custom Search

Popular queries: