| /* |
| * 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/module.h> |
| #include <linux/pci.h> |
| #include <linux/vgaarb.h> |
| #include <asm/fb.h> |
| |
| pgprot_t pgprot_framebuffer(pgprot_t prot, |
| unsigned long vm_start, unsigned long vm_end, |
| unsigned long offset) |
| { |
| pgprot_val(prot) &= ~_PAGE_CACHE_MASK; |
| if (boot_cpu_data.x86 > 3) |
| pgprot_val(prot) |= cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS); |
| |
| return prot; |
| } |
| EXPORT_SYMBOL(pgprot_framebuffer); |
| |
| int fb_is_primary_device(struct fb_info *info) |
| { |
| struct device *device = info->device; |
| struct pci_dev *pci_dev; |
| |
| if (!device || !dev_is_pci(device)) |
| return 0; |
| |
| pci_dev = to_pci_dev(device); |
| |
| if (pci_dev == vga_default_device()) |
| return 1; |
| return 0; |
| } |
| EXPORT_SYMBOL(fb_is_primary_device); |
| |
| MODULE_LICENSE("GPL"); |
