These drivers should be using the kernel supplied ROM API instead of accessing
the ROM directly.

video/console/sticore.c:                pci_write_config_dword(sti->pd,
PCI_ROM_ADDRESS, rom_base & ~PCI_ROM_ADDRESS_ENABLE);
video/console/sticore.c:                pci_write_config_dword(pd,
PCI_ROM_ADDRESS, rom_base | PCI_ROM_ADDRESS_ENABLE);
video/matrox/matroxfb_misc.c:   pci_write_config_dword(pdev, PCI_ROM_ADDRESS,
(fbbase & PCI_ROM_ADDRESS_MASK) | PCI_ROM_ADDRESS_ENABLE);
video/sis/sis_main.c:                   (ivideo->video_base &
PCI_ROM_ADDRESS_MASK) | PCI_ROM_ADDRESS_ENABLE);