18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef _ASM_X86_FB_H 38c2ecf20Sopenharmony_ci#define _ASM_X86_FB_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <linux/fb.h> 68c2ecf20Sopenharmony_ci#include <linux/fs.h> 78c2ecf20Sopenharmony_ci#include <asm/page.h> 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_cistatic inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, 108c2ecf20Sopenharmony_ci unsigned long off) 118c2ecf20Sopenharmony_ci{ 128c2ecf20Sopenharmony_ci unsigned long prot; 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ci prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK; 158c2ecf20Sopenharmony_ci if (boot_cpu_data.x86 > 3) 168c2ecf20Sopenharmony_ci pgprot_val(vma->vm_page_prot) = 178c2ecf20Sopenharmony_ci prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS); 188c2ecf20Sopenharmony_ci} 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ciextern int fb_is_primary_device(struct fb_info *info); 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_ci#endif /* _ASM_X86_FB_H */ 23