diff options
Diffstat (limited to 'hw/xfree86/common/xf86pciBus.c')
| -rw-r--r-- | hw/xfree86/common/xf86pciBus.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/hw/xfree86/common/xf86pciBus.c b/hw/xfree86/common/xf86pciBus.c index e06dce524..af19b37eb 100644 --- a/hw/xfree86/common/xf86pciBus.c +++ b/hw/xfree86/common/xf86pciBus.c @@ -1774,7 +1774,16 @@ xf86GetPciBridgeInfo(void) PciBus->brfunc = pcrp->funcnum; PciBus->subclass = sub_class; - PciBus->interface = pcrp->pci_prog_if; + + /* The Intel bridges don't report as transparent + but guess what they are - from Linux kernel - airlied */ + if ((pcrp->pci_vendor == PCI_VENDOR_INTEL) && + ((pcrp->pci_device & 0xff00) == 0x2400)) { + xf86MsgVerb(X_INFO, 3, "Intel Bridge workaround enabled\n"); + PciBus->interface = PCI_IF_BRIDGE_PCI_SUBTRACTIVE; + } else { + PciBus->interface = pcrp->pci_prog_if; + } if (pBusInfo && pBusInfo->funcs->pciControlBridge) PciBus->brcontrol = |