Kernel Log: Open source drivers for new Radeon graphics chips
The X.org and kernel developers are working on drivers to support the DirectX 11 graphics cards in AMD's Radeon HD 5000 series. While the proprietary AMD drivers have been supported for some time, not even the latest, recently released version co-operates with X Server 1.7, which has already been available for several months. The kernel developers have released numerous new stable kernels and are discussing the integration of utrace in great detail.
Following an announcement in his blog, AMD employee and long-term open source developer Alex Deucher has extended the development branch of the xf86-video-ati driver package to support AMD's Evergreen graphics chips. A kernel driver to support Kernel-based Mode Setting (KMS) is apparently also close to completion; however, 2D and 3D acceleration aren't supported with either driver and aren't likely to be, at least for the near future.
Evergreen GPUs with DirectX 11 support are used on various graphics cards in the Radeon HD 5000 series, which was introduced last September and has gradually been extended to include further models. Until now, these graphics cards could only be used with generic VESA drivers or AMD's proprietary Linux driver known as Catalyst or Fglrx – due to the legal controversies around using non-GPL kernel modules, many distributions completely avoid these drivers or try to bypass the problem, for instance, by retrieving the drivers from the internet.
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