diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/include/asm/fb.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fb.h b/arch/x86/include/asm/fb.h new file mode 100644 index 000000000..ab4c96014 --- /dev/null +++ b/arch/x86/include/asm/fb.h @@ -0,0 +1,22 @@ +/* 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 */ |