diff options
Diffstat (limited to 'linux/drm_ioctl.h')
| -rw-r--r-- | linux/drm_ioctl.h | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/linux/drm_ioctl.h b/linux/drm_ioctl.h index 01604e75..796eaf7a 100644 --- a/linux/drm_ioctl.h +++ b/linux/drm_ioctl.h @@ -113,7 +113,7 @@ int DRM(setunique)(struct inode *inode, struct file *filp, do { struct pci_dev *pci_dev; - int b, d, f; + int domain, b, d, f; char *p; for(p = dev->unique; p && *p && *p != ':'; p++); @@ -125,6 +125,27 @@ int DRM(setunique)(struct inode *inode, struct file *filp, f = (int)simple_strtoul(p+1, &p, 10); if (*p) break; + domain = b >> 8; + b &= 0xff; + +#ifdef __alpha__ + /* + * Find the hose the device is on (the domain number is the + * hose index) and offset the bus by the root bus of that + * hose. + */ + for(pci_dev = pci_find_device(PCI_ANY_ID,PCI_ANY_ID,NULL); + pci_dev; + pci_dev = pci_find_device(PCI_ANY_ID,PCI_ANY_ID,pci_dev)) { + struct pci_controller *hose = pci_dev->sysdata; + + if (hose->index == domain) { + b += hose->bus->number; + break; + } + } +#endif + pci_dev = pci_find_slot(b, PCI_DEVFN(d,f)); if (pci_dev) { dev->pdev = pci_dev; |