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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/m68k/include/asm/fb.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/m68k/include/asm/fb.h')
-rw-r--r-- | arch/m68k/include/asm/fb.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/fb.h b/arch/m68k/include/asm/fb.h new file mode 100644 index 000000000..24273fc7a --- /dev/null +++ b/arch/m68k/include/asm/fb.h @@ -0,0 +1,31 @@ +/* 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_ */ |