mirror of
https://github.com/torvalds/linux.git
synced 2024-11-01 01:31:44 +00:00
317b3c2167
Add function helper, fb_is_primary_device(). Given struct fb_info, it will return a nonzero value if the device is the primary display. Currently, only the i386 is supported where the function checks for the IORESOURCE_ROM_SHADOW flag. Signed-off-by: Antonino Daplas <adaplas@gmail.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
20 lines
375 B
C
20 lines
375 B
C
#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_ */
|