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>
This commit is contained in:
committed by
Linus Torvalds
parent
10eb2659cc
commit
317b3c2167
@ -1,6 +1,12 @@
|
||||
#ifndef _ASM_FB_H_
|
||||
#define _ASM_FB_H_
|
||||
#include <linux/fb.h>
|
||||
|
||||
#define fb_pgprotect(...) do {} while (0)
|
||||
|
||||
static inline int fb_is_primary_device(struct fb_info *info)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif /* _ASM_FB_H_ */
|
||||
|
Reference in New Issue
Block a user