diff options
| author | Antonino A. Daplas <adaplas@gmail.com> | 2007-07-17 04:05:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-17 10:23:11 -0700 |
| commit | 317b3c2167f5326a7de30a1abe50c9897da7a0e3 (patch) | |
| tree | e0a8481121bb54bc2e714ea3b6c89b67a881a278 /include/asm-x86_64/fb.h | |
| parent | 10eb2659cc6059d0c4de2e2c66d1534091519f56 (diff) | |
fbdev: detect primary display device
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>
Diffstat (limited to 'include/asm-x86_64/fb.h')
| -rw-r--r-- | include/asm-x86_64/fb.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86_64/fb.h b/include/asm-x86_64/fb.h index d30073c7558..60548e651d1 100644 --- a/include/asm-x86_64/fb.h +++ b/include/asm-x86_64/fb.h @@ -1,6 +1,6 @@ #ifndef _ASM_FB_H_ #define _ASM_FB_H_ - +#include <linux/fb.h> #include <linux/fs.h> #include <asm/page.h> @@ -11,4 +11,9 @@ static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma, pgprot_val(vma->vm_page_prot) |= _PAGE_PCD; } +static inline int fb_is_primary_device(struct fb_info *info) +{ + return 0; +} + #endif /* _ASM_FB_H_ */ |