projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 317b3c21 | 1 | /* |
| 317b3c21 AD |
2 | * Copyright (C) 2007 Antonino Daplas <adaplas@gmail.com> |
| 3 | * | |
| 4 | * This file is subject to the terms and conditions of the GNU General Public | |
| 5 | * License. See the file COPYING in the main directory of this archive | |
| 6 | * for more details. | |
| 7 | * | |
| 8 | */ | |
| 94545f27 | 9 | |
| 317b3c21 | 10 | #include <linux/fb.h> |
| 7c52d551 | 11 | #include <linux/module.h> |
| 94545f27 | 12 | #include <linux/pci.h> |
| 88674088 | 13 | #include <linux/vgaarb.h> |
| 29bf464c | 14 | #include <asm/fb.h> |
| 317b3c21 | 15 | |
| 94545f27 TZ |
16 | void fb_pgprotect(struct file *file, struct vm_area_struct *vma, unsigned long off) |
| 17 | { | |
| 18 | unsigned long prot; | |
| 19 | ||
| 20 | prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK; | |
| 21 | if (boot_cpu_data.x86 > 3) | |
| 22 | pgprot_val(vma->vm_page_prot) = | |
| 23 | prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS); | |
| 24 | } | |
| 25 | EXPORT_SYMBOL(fb_pgprotect); | |
| 26 | ||
| 317b3c21 AD |
27 | int fb_is_primary_device(struct fb_info *info) |
| 28 | { | |
| 623e71b0 | 29 | struct device *device = info->device; |
| 743146db | 30 | struct pci_dev *pci_dev; |
| 317b3c21 | 31 | |
| 743146db | 32 | if (!device || !dev_is_pci(device)) |
| 88674088 MG |
33 | return 0; |
| 34 | ||
| 743146db VK |
35 | pci_dev = to_pci_dev(device); |
| 36 | ||
| 5ca1479c | 37 | if (pci_dev == vga_default_device()) |
| 88674088 | 38 | return 1; |
| 88674088 | 39 | return 0; |
| 317b3c21 AD |
40 | } |
| 41 | EXPORT_SYMBOL(fb_is_primary_device); | |
| 94545f27 | 42 | |
| 7b04fa01 | 43 | MODULE_LICENSE("GPL"); |