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-rw-r--r--arch/loongarch/include/asm/fb.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/fb.h b/arch/loongarch/include/asm/fb.h
new file mode 100644
index 000000000..3116bde87
--- /dev/null
+++ b/arch/loongarch/include/asm/fb.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef _ASM_FB_H_
+#define _ASM_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)
+{
+ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
+}
+
+static inline int fb_is_primary_device(struct fb_info *info)
+{
+ return 0;
+}
+
+#endif /* _ASM_FB_H_ */