diff options
Diffstat (limited to 'arch/i386/video/fbdev.c')
-rw-r--r-- | arch/i386/video/fbdev.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/i386/video/fbdev.c b/arch/i386/video/fbdev.c new file mode 100644 index 000000000000..7fc712c46a64 --- /dev/null +++ b/arch/i386/video/fbdev.c | |||
@@ -0,0 +1,34 @@ | |||
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; | ||
17 | struct pci_dev *pci_dev = NULL; | ||
18 | struct resource *res = NULL; | ||
19 | int retval = 0; | ||
20 | |||
21 | device = info->device; | ||
22 | |||
23 | if (device) | ||
24 | pci_dev = to_pci_dev(device); | ||
25 | |||
26 | if (pci_dev) | ||
27 | res = &pci_dev->resource[PCI_ROM_RESOURCE]; | ||
28 | |||
29 | if (res && res->flags & IORESOURCE_ROM_SHADOW) | ||
30 | retval = 1; | ||
31 | |||
32 | return retval; | ||
33 | } | ||
34 | EXPORT_SYMBOL(fb_is_primary_device); | ||