When using clinfo with a Kaby Lake CPU it outputs:
Number of platforms 0
Another way to test is to install SVP (HQ video frame interpolation) by following the instructions and running any video with normal framerate.
All required packages are available in Solus now and it's working well besides the missing OpenCL acceleration of which there are two warnings.
Video: OpenCL subsystem isn't available, try to reinstall video drivers Main: OpenCL is not available!
When OpenCL works the device should be listed under Application settings > GPU acceleration