Comment # 4 on bug 101387 from Michel Dänzer

(In reply to Carlo Caione from comment #3)
> > What kind of artifacts in plymouth?
> https://pasteboard.co/hWu18yPj0.jpg

That could be a plymouth bug. I've noticed that it doesn't seem to call
drmModeCrtcSetGamma to make sure the display CLUTs are initialized to
appropriate values.