SUBSYSTEM=="pci", ENV{ID_PCI_CLASS_FROM_DATABASE}=="Display controller", \
ENV{DRIVER}=="", IMPORT{cmdline}="nomodeset", TAG+="seat", TAG+="master-of-seat"
-# eXtreme Graphic Innovation Z7/Z9 (XG20 core), a rather ancient graphic chip,
-# doesn't have a DRM driver and fallback to vesafb.
-SUBSYSTEM=="pci", ATTR{vendor}=="0x18ca", ATTR{device}=="0x0020", TAG+="master-of-seat"
-
SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat"
# Allow individual USB ports to be assigned to a seat