Originally Posted by woelfel
IMO RandR and KMS are the most important not-yet-implemented features for every day desktop users. Much more important than VDPAU or 3D-acceleration. But apparently not a selling argument for graphics cards. The OS AMD driver (radeonhd) has both.
FYI, radeonhd does not support KMS. The open source 'radeon' driver, however, does support both xrandr and KMS.