162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef _ASM_FB_H_ 362306a36Sopenharmony_ci#define _ASM_FB_H_ 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <asm/page.h> 662306a36Sopenharmony_ci#include <asm/setup.h> 762306a36Sopenharmony_ci 862306a36Sopenharmony_cistruct file; 962306a36Sopenharmony_ci 1062306a36Sopenharmony_cistatic inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, 1162306a36Sopenharmony_ci unsigned long off) 1262306a36Sopenharmony_ci{ 1362306a36Sopenharmony_ci#ifdef CONFIG_MMU 1462306a36Sopenharmony_ci#ifdef CONFIG_SUN3 1562306a36Sopenharmony_ci pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE; 1662306a36Sopenharmony_ci#else 1762306a36Sopenharmony_ci if (CPU_IS_020_OR_030) 1862306a36Sopenharmony_ci pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE030; 1962306a36Sopenharmony_ci if (CPU_IS_040_OR_060) { 2062306a36Sopenharmony_ci pgprot_val(vma->vm_page_prot) &= _CACHEMASK040; 2162306a36Sopenharmony_ci /* Use no-cache mode, serialized */ 2262306a36Sopenharmony_ci pgprot_val(vma->vm_page_prot) |= _PAGE_NOCACHE_S; 2362306a36Sopenharmony_ci } 2462306a36Sopenharmony_ci#endif /* CONFIG_SUN3 */ 2562306a36Sopenharmony_ci#endif /* CONFIG_MMU */ 2662306a36Sopenharmony_ci} 2762306a36Sopenharmony_ci#define fb_pgprotect fb_pgprotect 2862306a36Sopenharmony_ci 2962306a36Sopenharmony_ci#include <asm-generic/fb.h> 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci#endif /* _ASM_FB_H_ */ 32