Hi, x11-drm ebuild uses kmod functions, which is being removed from the tree. i've converted it to kernel-mod.eclass I tested this for radeon and it works, of course ;)
Created attachment 42353 [details, diff] drm.diff
Created attachment 42354 [details] x11-drm-20040827.ebuild
Applied. Many thanks for the patch, sorry it took so long.