[Bug 49747] dpms on only works on DP0 on a hd5700

https://bugs.freedesktop.org/show_bug.cgi?id=49747

--- Comment #6 from Daniel Vetter daniel@ffwll.ch 2012-05-10 11:29:57 PDT --- On Thu, May 10, 2012 at 8:18 PM, bugzilla-daemon@freedesktop.org wrote:

--- Comment #5 from Alex Deucher agd5f@yahoo.com 2012-05-10 11:18:49 PDT --- Is the failure only after a dpms cycle or does the second DP monitor not light up at all?  If the former, are there any driver messages in dmesg when after a failed dpms cycle?

The driver correctly lights up the display on DP1 after boot, it only fails after the first dpms off. The dmesg/xrandr is after I've done a dpms cycle, i.e. black DP1 output. So nothing in there.

Should I regrab dmesg after a dpms cycle with more verbose logging?