(In reply to Torsten Kessler from comment #6)
> The new display engine (amdgpu.dc=1) definitely helps. It nearly eliminates
> the flickering during videos or browsing. It has no effect on 3D
> applications, for example 0ad.

Adding DC developers to Cc. I'm afraid at this point it's unlikely that this
issue will be fixed in the non-DC code.