On Tue, Mar 04, 2014 at 11:44:43PM +0000, Damien Lespiau wrote: > > Tried that same result. I turned on drm.debug=0x4 but for me the > > only thing I can see is that the 60Hz mode is not in the list > > The EDID doesn't even list the 4k@60 fps mode, to me, this looks like it > may be of those monitors that need DP 1.2 MST to work (a feature we > don't have implemented in the kernel and that needs quite a bit of > work). It could be a totally wrong guess though, what monitor are we > talking about? Oh, the model was included in the subject. Googling around suggests that you need DP MST indeed: http://www.techspot.com/review/769-dell-ultrasharp-32-uhd/page2.html -- Damien _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx