maintainer-feedback requested: [Bug 255000] graphics/drm-fbsd12.0-kmod: fails to display anything on 12.0

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Bugzilla Automation <bugzilla at FreeBSD.org> has asked freebsd-x11 (Nobody)
<x11 at FreeBSD.org> for maintainer-feedback:
Bug 255000: graphics/drm-fbsd12.0-kmod: fails to display anything on 12.0
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255000



--- Description ---
After I updated the drm-kmod stuff from source Xorg nolonger starts properly.
Previously it worked just fine. Now my flat screen only tells me ”out of range”
on a little blue box on otherwise completely black screen.
I assume this might be related to the fact that the package message says
”amdgpu and radeonkms are known to fail with EFI boot.”
The previous drn versions had no such problems. So, this is plain madness.
What is the point in updating the package in the ports tree, if it does not
operate at least as well as the preceeding versions?
For the last 10 years it has been quite common for tower case systems to boot
using EFI + GPT. 
Publishing a kms version which suddenly no longer supports Radeon cards on
systems
using EFI boot is bound to hurt quite a lot of people. Many such systems have
been installed first time years ago assuming they can safely use EFI. 
Since the drm stuff has previously worked on system using EFI it probably
should
not be impossible now either.