The Raven Ridge APU is very capable processor to handle OpenCL inside some applications like Blender, Darktable and Gimp. Unfortunately, the current implementation from Mesa, clover, stuck to 1.3, is not supported. AMD released their driver 18.40 with OpenCL2.0+ targeting only Red Hat Enterprise Linux/Cent OS 6.10 and 7.5 in addition of Ubuntu LTS. The good new is the former rpm format can be used on Fedora. The graphical part of Raven Ridge is Vega 8, basically a cut-down of Vega56 or Vega64 meaning choosing either driver for RX Vega . The instruction is provided for extracting the rpm files but here is some requirements for OpenCL: kernel-devel (provided by Fedora repository) amdgpu-dkms dkms libopencl-amdgpu-pro opencl-amdgpu-pro-icd Once done, applications needing OpenCL will automatically detect the driver located on /opt/amdgpu/lib64 . Blender will list as unknown AMD GPU and Darktable will enable it. OpenCL from official AMD driver enabled on Darktable ...
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Anyway, I can't get this to work on my ATI 9200 something (r200 driver) on a PowerPC, at all, even less than you are showing. It runs in Xypher(sp?) with a yellow tint however, and very quick and snappy. Have you tried that?
On a bright side, gnome-shell is a preview and not default yet. Gnome team should make at least usable without 3D driver unless they want users to run proprietary Nvidia driver.
I kinda hope this issue will get many people to switch to KDE. ;-p
Just installing kdebase-workspace and kdebase and their dependencies should give you a minimal KDE installation.