No, it will be merged with Linux 4.15 but you will still need an kernel parameter: https://www.phoronix.com/scan.php?page=news_item&px=AMDGPU-DC-Accepted Until then, you have to compile yourself a patched kernel. For Arch-based distros you can use the AUR linux-amd-staging-drm-next-git. Phoronix provides pre-compiled packages for Ubuntu.