/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_FB_H_ #define _ASM_FB_H_ #include <linux/fb.h> #include <linux/fs.h> #include <asm/page.h> #include <asm/setup.h> #ifdef CONFIG_MMU #ifdef CONFIG_SUN3 static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, unsigned long off) { pgprot_val(vma->vm_page_prot) |= SUN3_PAGE_NOCACHE; } #else static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, unsigned long off) { 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 */ #else #define fb_pgprotect(...) do {} while (0) #endif /* CONFIG_MMU */ static inline int fb_is_primary_device(struct fb_info *info) { return 0; } #endif /* _ASM_FB_H_ */