diff options
Diffstat (limited to 'arch/x86/video/fbdev.c')
| -rw-r--r-- | arch/x86/video/fbdev.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/arch/x86/video/fbdev.c b/arch/x86/video/fbdev.c index 9fd24846d094..f41a17ebac48 100644 --- a/arch/x86/video/fbdev.c +++ b/arch/x86/video/fbdev.c @@ -6,35 +6,37 @@ * for more details. * */ + #include <linux/fb.h> -#include <linux/pci.h> #include <linux/module.h> +#include <linux/pci.h> #include <linux/vgaarb.h> +void fb_pgprotect(struct file *file, struct vm_area_struct *vma, unsigned long off) +{ + unsigned long prot; + + prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK; + if (boot_cpu_data.x86 > 3) + pgprot_val(vma->vm_page_prot) = + prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS); +} +EXPORT_SYMBOL(fb_pgprotect); + int fb_is_primary_device(struct fb_info *info) { struct device *device = info->device; - struct pci_dev *default_device = vga_default_device(); struct pci_dev *pci_dev; - struct resource *res; if (!device || !dev_is_pci(device)) return 0; pci_dev = to_pci_dev(device); - if (default_device) { - if (pci_dev == default_device) - return 1; - return 0; - } - - res = pci_dev->resource + PCI_ROM_RESOURCE; - - if (res->flags & IORESOURCE_ROM_SHADOW) + if (pci_dev == vga_default_device()) return 1; - return 0; } EXPORT_SYMBOL(fb_is_primary_device); + MODULE_LICENSE("GPL"); |