seems Ubuntu 16.04 LTS has already AMDGPU Open source version, I have R9 390 card, and I would like to run Ubuntu with AMDGPU open source driver, how can I switch to amdgpu?
OS: Ubuntu Studio 16.04.1 LTS (lowlatency kernel 4.4.0-62 or/and 59)
$ lspci | grep -E "VGA|3D"
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Hawaii PRO [Radeon R9 290] (rev 80)
$ DRI_PRIME=1 glxinfo | grep "OpenGL renderer"
OpenGL renderer string: Gallium 0.4 on AMD HAWAII (DRM 2.43.0, LLVM 3.8.0)