Comment # 8 on bug 1193620 from Georgios Toptsidis

> 
> Don't worry. hyperv_drm is a driver for HyperV virtual machines. Just like
> simpledrm, it requires a workarond in X11. Thanks for testing. The fix will
> probably show up in Tumbleweed within the next days.

Is this simpledrm workaround needed for special cases ?

It is possible i have misunderstood the problem, but i use simpledrm (though
not as a module but included in the kernel if it makes a difference) and never
had to use any workaround.