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 */ 23