1 /* 2 * arch/i386/video/fbdev.c - i386 Framebuffer 3 * 4 * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com> 5 * 6 * This file is subject to the terms and conditions of the GNU General Public 7 * License. See the file COPYING in the main directory of this archive 8 * for more details. 9 * 10 */ 11 #include <linux/fb.h> 12 #include <linux/pci.h> 13 14 int fb_is_primary_device(struct fb_info *info) 15 { 16 struct device *device = info->device; 17 struct pci_dev *pci_dev = NULL; 18 struct resource *res = NULL; 19 int retval = 0; 20 21 if (device) 22 pci_dev = to_pci_dev(device); 23 24 if (pci_dev) 25 res = &pci_dev->resource[PCI_ROM_RESOURCE]; 26 27 if (res && res->flags & IORESOURCE_ROM_SHADOW) 28 retval = 1; 29 30 return retval; 31 } 32 EXPORT_SYMBOL(fb_is_primary_device); 33