"With the Linux 4.2 kernel settling down nicely and AMD
developers having already sent in a few round of fixes for their new
AMDGPU kernel DRM driver, I've started testing out this new kernel
driver -- plus the new xf86-video-amdgpu DDX and the associated new
Mesa/LibDRM code -- that is providing the open-source accelerated
graphics support for Tonga and all new/future GPUs like Carrizo and Fiji."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips