Staging
v0.5.2
swh:1:snp:a902887e4be9191b7c6c4406aa06b31c1ce2c7cc
Raw File
Tip revision: 6eaae198076080886b9e7d57f4ae06fa782f90ef authored by Linus Torvalds on 23 July 2023, 22:24:10 UTC
Linux 6.5-rc3
Tip revision: 6eaae19
fb.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_FB_H_
#define _ASM_FB_H_

#include <asm/page.h>
#include <asm/setup.h>

struct file;

static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
				unsigned long off)
{
#ifdef CONFIG_MMU
#ifdef CONFIG_SUN3
	pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE;
#else
	if (CPU_IS_020_OR_030)
		pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030;
	if (CPU_IS_040_OR_060) {
		pgprot_val(vma->vm_page_prot) &= _CACHEMASK040;
		/* Use no-cache mode, serialized */
		pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S;
	}
#endif /* CONFIG_SUN3 */
#endif /* CONFIG_MMU */
}
#define fb_pgprotect fb_pgprotect

#include <asm-generic/fb.h>

#endif /* _ASM_FB_H_ */
back to top