diff options
| -rw-r--r-- | src/devices/device.c | 43 |
1 files changed, 13 insertions, 30 deletions
diff --git a/src/devices/device.c b/src/devices/device.c index de27e88496..9753de81cb 100644 --- a/src/devices/device.c +++ b/src/devices/device.c @@ -715,52 +715,35 @@ static void set_vga_bridge_bits(void) */ /* FIXME: Handle the VGA palette snooping. */ - struct device *dev, *vga, *vga_onboard, *vga_first, *vga_last; + struct device *dev, *vga, *vga_onboard; struct bus *bus; bus = 0; vga = 0; vga_onboard = 0; - vga_first = 0; - vga_last = 0; - - for (dev = all_devices; dev; dev = dev->next) { + dev = NULL; + while ((dev = dev_find_class(PCI_CLASS_DISPLAY_VGA << 8, dev))) { if (!dev->enabled) continue; - if (((dev->class >> 16) == PCI_BASE_CLASS_DISPLAY) && - ((dev->class >> 8) != PCI_CLASS_DISPLAY_OTHER)) { - if (!vga_first) { - if (dev->on_mainboard) - vga_onboard = dev; - else - vga_first = dev; - } else { - if (dev->on_mainboard) - vga_onboard = dev; - else - vga_last = dev; - } + printk(BIOS_DEBUG, "found VGA at %s\n", dev_path(dev)); - /* It isn't safe to enable other VGA cards. */ - dev->command &= ~(PCI_COMMAND_MEMORY | PCI_COMMAND_IO); + if (dev->on_mainboard) { + vga_onboard = dev; + } else if (!vga) { + vga = dev; } - } - vga = vga_last; + /* It isn't safe to enable all VGA cards. */ + dev->command &= ~(PCI_COMMAND_MEMORY | PCI_COMMAND_IO); + }; if (!vga) - vga = vga_first; + vga = vga_onboard; -#if CONFIG_ONBOARD_VGA_IS_PRIMARY - if (vga_onboard) /* Will use onboard VGA as primary. */ -#else - if (!vga) /* Will use last add-on adapter as primary. */ -#endif - { + if (CONFIG_ONBOARD_VGA_IS_PRIMARY && vga_onboard) vga = vga_onboard; - } /* If we prefer plugin VGA over chipset VGA, the chipset might want to know. */ |