The RadeonHD Video Driver is an open source driver designed for the AMD GPG r5xx/r6xx chipsets, providing an alternative solution for their graphics.
One of the standout features of this driver is full modesetting, which is backwards compatible to RandR 1.2. While the driver doesn't yet have 2D, 3D, and video acceleration, it's worth keeping an eye on future releases.
Speaking of releases, the latest version of RadeonHD Video Driver includes a number of new features and updates. These include support for RV620, RV635, and R680, as well as 2D acceleration for R5xx (including RS6xx) and support for interlaced modes.
Other updates include improved RandR corner cases, improved handling of secondary cards, and foundation work for future TV support. Additionally, the driver now supports DragonFly BSD and has received a huge number of bugfixes and minor updates.
Overall, RadeonHD Video Driver is a solid option for users with AMD GPG r5xx/r6xx chipsets who want an open-source driver with full modesetting compatibility. While it may lack some advanced features, the development team is actively working on improving and expanding the driver's capabilities.
Version 1.2.5: N/A