If you only get 1920x1080 in X, chances are that nouveau doesn't believe it can do 3840x2160 for one reason or another. There are a number of reasons why this might be the case, please provide dmesg, xorg log, and information on how the monitor is connected (including any A->B type adapters).
-ilia On Thu, Oct 8, 2015 at 4:21 PM, James Lehman <ja...@akrobiz.com> wrote: > Hello. I hope this is in the right place. > > I just built a new machine and installed Xubuntu and I'm still figuring > things out. > > I'm interested in working with The Linux Frame Buffer. > > Many years ago, I started a project called ezfb and I would like to continue > developing it on a machine capable of 4K. > > Is it possible to have a frame buffer that does 3840x2160 ? > > With nouveau installed as my video driver, I can get to a frame buffer > console of 1920x1080, but I am limited to that resolution in Xfce as well. > > With a proprietary nVidia driver installed I can get to 4K in Xfce, but my > frame buffer is 640x480, 4 bit color. When I try fbset to change anything, > it doesn't work. > > I have not even bothered to try my code so see of any of it can actually > work in the frame buffers I get. > > Still scratching my head.... > > Thank you for your time. > > James. > > > _______________________________________________ > Nouveau mailing list > Nouveau@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/nouveau _______________________________________________ Nouveau mailing list Nouveau@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/nouveau
