xref: /OK3568_Linux_fs/kernel/arch/sparc/include/asm/fb.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef _SPARC_FB_H_
3*4882a593Smuzhiyun #define _SPARC_FB_H_
4*4882a593Smuzhiyun #include <linux/console.h>
5*4882a593Smuzhiyun #include <linux/fb.h>
6*4882a593Smuzhiyun #include <linux/fs.h>
7*4882a593Smuzhiyun #include <asm/page.h>
8*4882a593Smuzhiyun #include <asm/prom.h>
9*4882a593Smuzhiyun 
fb_pgprotect(struct file * file,struct vm_area_struct * vma,unsigned long off)10*4882a593Smuzhiyun static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
11*4882a593Smuzhiyun 				unsigned long off)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun #ifdef CONFIG_SPARC64
14*4882a593Smuzhiyun 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
15*4882a593Smuzhiyun #endif
16*4882a593Smuzhiyun }
17*4882a593Smuzhiyun 
fb_is_primary_device(struct fb_info * info)18*4882a593Smuzhiyun static inline int fb_is_primary_device(struct fb_info *info)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun 	struct device *dev = info->device;
21*4882a593Smuzhiyun 	struct device_node *node;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	if (console_set_on_cmdline)
24*4882a593Smuzhiyun 		return 0;
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	node = dev->of_node;
27*4882a593Smuzhiyun 	if (node &&
28*4882a593Smuzhiyun 	    node == of_console_device)
29*4882a593Smuzhiyun 		return 1;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	return 0;
32*4882a593Smuzhiyun }
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #endif /* _SPARC_FB_H_ */
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