On Thu, Mar 06, 2014 at 02:07:18PM -0800, Rubin Abdi wrote: > Originally posted this to the Linux on Thinkpad list. A friend > recommended I try here instead. > > I have an X220, I am running Debian Sid, 3.12.9. I've used this machine > to drive 27" and larger Dell displays at full resolution via displayport > to displayport and displayport to dual link DVI without issue. > > A few months ago I purchased one of those $400 Apple knock off S-IPS > displays from Korea through ebay, branded as Crossover at QHD 2560x1440. > I spent the following month trying to figure out why when driving the > display through my machine's displayport, it would blank out after about > a minute or two of constant action on the screen (like playing a video). > It would go into blank/sleep mode for a second or two, bounce back, do > this a few times before the display giving up and stating there is > nothing turn on/plugged into the displayport and shut off. I tried 3 > different displayport cables and assumed the issue wasn't my laptop > since I was driving a different 30" display at the office over > displayport just fine. Sounds like this might help: https://bugs.freedesktop.org/show_bug.cgi?id=70254#c40 -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
