Almost there, I still had to do this:
/sys/devices/pci0000:00/0000:00:03.1/0000:1c:00.0/{uevent,vendor,device,subsystem_vendor,subsystem_device} r,
/sys/devices/pci0000:00/0000:00:03.1/0000:1c:00.0/drm/renderD128/{uevent,vendor,device,subsystem_vendor,subsystem_device} r,
Almost there, I still had to do this: pci0000: 00/0000: 00:03.1/ 0000:1c: 00.0/{uevent, vendor, device, subsystem_ vendor, subsystem_ device} r, pci0000: 00/0000: 00:03.1/ 0000:1c: 00.0/drm/ renderD128/ {uevent, vendor, device, subsystem_ vendor, subsystem_ device} r,
/sys/devices/
/sys/devices/