include/asm/fb.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #ifndef _ASM_X86_FB_H
0003 #define _ASM_X86_FB_H
0004
0005 #include <linux/fb.h>
0006 #include <linux/fs.h>
0007 #include <asm/page.h>
0008
0009 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
0010                 unsigned long off)
0011 {
0012     unsigned long prot;
0013
0014     prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK;
0015     if (boot_cpu_data.x86 > 3)
0016         pgprot_val(vma->vm_page_prot) =
0017             prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);
0018 }
0019
0020 extern int fb_is_primary_device(struct fb_info *info);
0021
0022 #endif /* _ASM_X86_FB_H */