[Bug 49322] No picture on display connected via Displayport adaptor to HD 7870

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri May 11 21:27:21 PDT 2012


https://bugs.freedesktop.org/show_bug.cgi?id=49322

--- Comment #1 from Brian Schott <briancschott at gmail.com> 2012-05-11 21:27:21 PDT ---
I got tired of only being able to use ⅔ of my monitors, so I tried using the
integrated graphics (Intel hd4000 / ivy bridge) to power them. (Motherboard has
VGA, DVI, HDMI and full-size Displayport).

The odd thing I discovered is that the same monitor continues to not work. I've
eliminated the possibility of it being the DVI cable as I've tried two of them.
It's not the adaptor because the motherboard takes a full-size Displayport
adaptor and the HD7870 takes a mini-displayport.

Is there some code that is shared between the intel and radeon mode setting
drivers?

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