arch/x86/include/asm/fb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _ASM_X86_FB_H
   3 #define _ASM_X86_FB_H
   4
   5 #include <linux/fb.h>
   6 #include <linux/fs.h>
   7 #include <asm/page.h>
   8
   9 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
  10                                 unsigned long off)
  11 {
  12         unsigned long prot;
  13
  14         prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK;
  15         if (boot_cpu_data.x86 > 3)
  16                 pgprot_val(vma->vm_page_prot) =
  17                         prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);
  18 }
  19
  20 extern int fb_is_primary_device(struct fb_info *info);
  21
  22 #endif /* _ASM_X86_FB_H */