It seems the latest update of xorg or the radeon driver killed randr 1.2. xrandr just reports the single output, but not even a name for that one. It does however state that the server reports version 1.2. Please bring back the shiny new toy. :)
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue. Please attach your X server config file (/etc/X11/xorg.conf) and X server log file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link below. Could you please also try to run without any /etc/X11/xorg.conf whatsoever and let X11 autodetect your display and video card? Attach to this bug /var/log/Xorg.0.log from this attempt as well, please. We will review this issue again once you've had a chance to attach this information. Thanks in advance.
It seems the last batch of updates contained something of value. I can now properly see VGA-0 and LVDS with xrandr. Feel free to close the bug.
looks to have been transient.