1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_FB_H_ 3 #define _ASM_FB_H_ 4 5 #include <linux/fb.h> 6 #include <linux/fs.h> 7 #include <linux/efi.h> 8 #include <asm/page.h> 9 10 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, 11 unsigned long off) 12 { 13 if (efi_range_is_wc(vma->vm_start, vma->vm_end - vma->vm_start)) 14 vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); 15 else 16 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 17 } 18 19 static inline int fb_is_primary_device(struct fb_info *info) 20 { 21 return 0; 22 } 23 24 #endif /* _ASM_FB_H_ */ 25