loki is based on ubuntu 16.04, which has some issues with amd proprietary drivers, but according to http://support.amd.com/en-us/kb-articles/Pages/AMD-Radeon-GPU-PRO-Linux-Beta-Driver%E2%80%93Release-Notes.aspx, everything should work, right?
Unfortunately, I tried to install these drivers on loki-release (following installation notes, I ensured that my user belongs to 'video' group), but it ended up with black screen. I had to uninstall drivers to make my OS work again.
GPU: r7 260x
Any ideas? Should it work ootb?