blob: 48fb38d7d2c0ff695a60deedfb0d92139f84c21d [file] [log] [blame]
Antonino A. Daplas317b3c22007-07-17 04:05:28 -07001/*
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
14int fb_is_primary_device(struct fb_info *info)
15{
Antonino A. Daplas623e71b2007-07-17 04:05:28 -070016 struct device *device = info->device;
Antonino A. Daplas317b3c22007-07-17 04:05:28 -070017 struct pci_dev *pci_dev = NULL;
18 struct resource *res = NULL;
19 int retval = 0;
20
Antonino A. Daplas317b3c22007-07-17 04:05:28 -070021 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}
32EXPORT_SYMBOL(fb_is_primary_device);