In version 21H2, dxgkrnl (DirectX driver) only supported IOMMU isolation through 1:1 physical remapping which means logical pages accessed by the GPU were translated to the same physical page number. ![]() We don’t know what’s changing with WDDM 3.1, but one of the support documents confirmed that a new feature called “IOMMU DMA remapping” is being introduced with WDDM 3.1. Intel driver version 31.0.101.3222 uses WDDM 3.1 model and it includes support for the upcoming Windows 11 22H2 feature update. ![]() Thanks to the Intel DCH driver update, games that rely on integrated graphics will now run more smoothly on Windows 11 22H2. One of the key features of Windows 11 is gaming and Microsoft is taking the experience to the next level by integrating Games Pass into the Widgets board (added with Windows 11 Build 25174). ![]() Intel has rolled out an update for its graphics driver with support for Windows 11 version 22H2, which is set to launch later this year. While Windows 11 22H2 is currently in testing and its commercial release is still weeks away, chipmakers like Intel have decided to update their drivers early.
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