Comment # 35 on bug 106175 from bmilreu@gmail.com

(In reply to Michel Dänzer from comment #31)
> Note that SWcursor completely disables page flipping, at least with
> xf86-video-amdgpu, because the two things are fundamentally incompatible
> with each other. Does only disabling page flipping also avoid the problem?

Justed tested it and yes, disabling pageflip also gets rid of stutter for me.