| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 2 | #ifndef _ASM_X86_FB_H |
| 3 | #define _ASM_X86_FB_H |
| Thomas Gleixner | 106619c | 2007-10-15 23:28:20 +0200 | [diff] [blame] | 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 | { |
| Juergen Gross | c27ce0a | 2014-11-03 14:01:48 +0100 | [diff] [blame] | 12 | unsigned long prot; |
| 13 | |
| 14 | prot = pgprot_val(vma->vm_page_prot) & ~_PAGE_CACHE_MASK; |
| Thomas Gleixner | 106619c | 2007-10-15 23:28:20 +0200 | [diff] [blame] | 15 | if (boot_cpu_data.x86 > 3) |
| Juergen Gross | c27ce0a | 2014-11-03 14:01:48 +0100 | [diff] [blame] | 16 | pgprot_val(vma->vm_page_prot) = |
| 17 | prot | cachemode2protval(_PAGE_CACHE_MODE_UC_MINUS); |
| Thomas Gleixner | 106619c | 2007-10-15 23:28:20 +0200 | [diff] [blame] | 18 | } |
| 19 | |
| Thomas Gleixner | 106619c | 2007-10-15 23:28:20 +0200 | [diff] [blame] | 20 | extern int fb_is_primary_device(struct fb_info *info); |
| Thomas Gleixner | 106619c | 2007-10-15 23:28:20 +0200 | [diff] [blame] | 21 | |
| H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 22 | #endif /* _ASM_X86_FB_H */ |