https://bugzilla.kernel.org/show_bug.cgi?id=210787
--- Comment #3 from Janpieter Sollie (janpieter.sollie@edpnet.be) --- Disabling UVD + VCE is on purpose... gfx8 video coding is simply too bad to be useful. Next to that, this issue still apprears: https://bugzilla.kernel.org/show_bug.cgi?id=206155