https://bugs.freedesktop.org/show_bug.cgi?id=37040
--- Comment #5 from teufel@cs.uni-frankfurt.de 2011-05-13 07:14:28 PDT --- (In reply to comment #2)
RS690 did not support displayport. I'm not sure how you have one on your board.
I'm sorry. I confounded two boards. The one has displayport, the other one does not. This one does not. It only has DVI-D and VGA (D-Sub/RGB). I'm sorry for this mistake.