23 lines
540 B
C
23 lines
540 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_FB_H
|
|
#define _ASM_X86_FB_H
|
|
|
|
#include <linux/fb.h>
|
|
#include <linux/fs.h>
|
|
#include <asm/page.h>
|
|
|
|
static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
|
|
unsigned long off)
|
|
{
|
|
unsigned long prot;
|
|
|
|
prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK;
|
|
if (boot_cpu_data.x86 > 3)
|
|
pgprot_val(vma->vm_page_prot) =
|
|
prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS);
|
|
}
|
|
|
|
extern int fb_is_primary_device(struct fb_info *info);
|
|
|
|
#endif /* _ASM_X86_FB_H */
|