diff options
| -rw-r--r-- | Documentation/Intel-IOMMU.txt | 6 | ||||
| -rw-r--r-- | arch/x86/Kconfig | 2 |
2 files changed, 2 insertions, 6 deletions
diff --git a/Documentation/Intel-IOMMU.txt b/Documentation/Intel-IOMMU.txt index 21bc416d887..cf9431db873 100644 --- a/Documentation/Intel-IOMMU.txt +++ b/Documentation/Intel-IOMMU.txt @@ -56,11 +56,7 @@ Graphics Problems? ------------------ If you encounter issues with graphics devices, you can try adding option intel_iommu=igfx_off to turn off the integrated graphics engine. - -If it happens to be a PCI device included in the INCLUDE_ALL Engine, -then try enabling CONFIG_DMAR_GFX_WA to setup a 1-1 map. We hear -graphics drivers may be in process of using DMA api's in the near -future and at that time this option can be yanked out. +If this fixes anything, please ensure you file a bug reporting the problem. Some exceptions to IOVA ----------------------- diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 738bdc6b0f8..22a0fd13211 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1916,7 +1916,7 @@ config DMAR_DEFAULT_ON config DMAR_BROKEN_GFX_WA def_bool n prompt "Workaround broken graphics drivers (going away soon)" - depends on DMAR + depends on DMAR && BROKEN ---help--- Current Graphics drivers tend to use physical address for DMA and avoid using DMA APIs. Setting this config |