diff options
Diffstat (limited to 'src/devices/pci_device.c')
| -rw-r--r-- | src/devices/pci_device.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c index 7471694737..5b038e4a8d 100644 --- a/src/devices/pci_device.c +++ b/src/devices/pci_device.c @@ -537,6 +537,12 @@ void pci_dev_enable_resources(struct device *dev) void pci_bus_enable_resources(struct device *dev) { uint16_t ctrl; + + /* enable IO in command register if there is VGA card + * connected with (even it does not claim IO resource) */ + if (dev->link[0].bridge_ctrl & PCI_BRIDGE_CTL_VGA) + dev->command |= PCI_COMMAND_IO; + ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL); ctrl |= dev->link[0].bridge_ctrl; ctrl |= (PCI_BRIDGE_CTL_PARITY + PCI_BRIDGE_CTL_SERR); /* error check */ |