drivers/pci/vgaarb.c

40  * up the various operations of the arbiter
408  * resources, the arbiter will first check whether the card is doing legacy
412  * The arbiter will first look for all VGA cards that might conflict and disable
756  * that is, we come up with conflicting devices and let the arbiter's
774 		vgaarb_err(&pdev->dev, "failed to allocate VGA arbiter data\n");  in vga_arbiter_add_pci_device()
949  * Indicate to the arbiter if the card decodes legacy VGA IOs, legacy VGA
951  * example) should tell the arbiter if it has disabled legacy decoding, so the
1007  *  open       : Open user instance of the arbiter. By default, it's
1024  * write       : write a command to the arbiter. List of commands is:
1045  * a bit, but makes the arbiter more tolerant to userspace problems and able
1048  * userspace for a given user (file descriptor instance) of the arbiter.
1052  * the arbiter.