|Open-Source ATI Evergreen Support Arrives|
|Written by Phoronix|
|Monday, 01 February 2010|
Open-Source ATI Evergreen Support Arrives
Months after the ATI Radeon HD 5000 series (known by the "Evergreen" family codename) was introduced, AMD has finally pushed out the first bits of open-source code. This morning if you are to checkout the xf86-video-ati DDX driver branch there is initial user-space mode-setting support for the Radeon HD 5000 series GPUs. The ATI kernel mode-setting support that we really care about these days is also about done, but it isn't yet published. The open-source ATI driver currently offers no 2D (EXA) acceleration and the 3D support either through a classic Mesa driver or Gallium3D also is not yet available.
The DDX driver supports mode-setting on the Evergreen/R800 series GPUs with VGA and DVI connectors while the DisplayPort connectivity is still not working right, according to AMD's Alex Deucher who had written most of this code. These new AMD graphics cards have been around since September while there was no open-source support at that time. In December just before Christmas there was Evergreen Shader documentation that was made publicly available and around that time it was confirmed via our forums that initial VGA mode-setting was working with Evergreen internally on unreleased code. Since then the digital connector support has been added in and this code has finally cleared AMD's legal review. The revised target was to publish this code by FOSDEM, which is this weekend so AMD did hit the target this time.
Ideally we can see the initial Evergreen kernel mode-setting support land in time for the Linux 2.6.34 kernel merge window that should be opening up next month. At this time there is no Radeon HD 5000 series support via hard-coded paths or AtomBIOS with the xf86-video-radeonhd driver, nor do we know if any support will ever come. Phoronix