To enable it you need to enable CONFIG_DRM_RADEON_KMS, which relies on CONFIG_STAGING being set.
please read the CONFIG_STAGING warnings, esp the
"Please note that these drivers are under heavy
development, may or may not work, and may contain userspace
interfaces that most likely will be changed in the near
Now to get a userspace that can use this code you need to get
and build it with --enable-radeon-experimental-api and install that.
build that second
build this with libdrm_radeon somewhere that pkgconfig can find it.
You should either have KMS + DRI2, or a pile of smoking trash.
Please report any mode type issues on #radeon or dri-devel mailing list.
If you can't compile or configure your system to use this please wait until you have a distro do it for you.
If you are using Fedora 11, grab the latest xf86-video-ati from koji and all you need is the new kernel bits.
My DDX reports something about DRM 2.0.0 and wanting 1.2.x or something like that, you messed up setting up the DDX or are
still using the system DDX.
Xv might be broken on resize (or normally)
r600/r700 doesn't work (no surprise its not ready yet)