https://bugs.freedesktop.org/show_bug.cgi?id=112071
zamundaaalp@gmail.com changed:
What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |NOTABUG
--- Comment #5 from zamundaaalp@gmail.com --- I am really sorry. I completely overlooked that my external GPU might simply be card1 and the internal one card0. Because that's the case. The files are all there in /sys/class/drm/card1/device/ like expected.