[Intel-gfx] brix pro + dell UP3214Q, 3840x2160 @ 60 Hz

[Damien Lespiau]

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 at 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