PCIY_AGP
#define PCI_CAP_ID_AGP PCIY_AGP
if (pci_find_cap(dev, PCIY_AGP, &capreg) != 0)
return (drm_device_find_capability(dev, PCIY_AGP));
if (pci_find_cap(dev, PCIY_AGP, NULL) == 0)
case PCIY_AGP: