diff options
Diffstat (limited to 'arch/x86/video/fbdev.c')
| -rw-r--r-- | arch/x86/video/fbdev.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/x86/video/fbdev.c b/arch/x86/video/fbdev.c new file mode 100644 index 000000000000..48fb38d7d2c0 --- /dev/null +++ b/arch/x86/video/fbdev.c @@ -0,0 +1,32 @@ +/* + * arch/i386/video/fbdev.c - i386 Framebuffer + * + * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + * + */ +#include <linux/fb.h> +#include <linux/pci.h> + +int fb_is_primary_device(struct fb_info *info) +{ + struct device *device = info->device; + struct pci_dev *pci_dev = NULL; + struct resource *res = NULL; + int retval = 0; + + if (device) + pci_dev = to_pci_dev(device); + + if (pci_dev) + res = &pci_dev->resource[PCI_ROM_RESOURCE]; + + if (res && res->flags & IORESOURCE_ROM_SHADOW) + retval = 1; + + return retval; +} +EXPORT_SYMBOL(fb_is_primary_device); |