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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/include/asm/fb.h
parentInitial commit. (diff)
downloadlinux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz
linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/include/asm/fb.h')
-rw-r--r--arch/x86/include/asm/fb.h22
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 */