diff options
Diffstat (limited to 'drivers/video/fbmem.c')
| -rw-r--r-- | drivers/video/fbmem.c | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 03f2dc2470b5..7cfcd716fd5f 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1479,11 +1479,10 @@ static bool apertures_overlap(struct aperture *gen, struct aperture *hw) return false; } -static bool fb_do_apertures_overlap(struct fb_info *gen, struct fb_info *hw) +static bool fb_do_apertures_overlap(struct apertures_struct *gena, + struct apertures_struct *hwa) { int i, j; - struct apertures_struct *hwa = hw->apertures; - struct apertures_struct *gena = gen->apertures; if (!hwa || !gena) return false; @@ -1501,6 +1500,28 @@ static bool fb_do_apertures_overlap(struct fb_info *gen, struct fb_info *hw) return false; } +void remove_conflicting_framebuffers(struct apertures_struct *a, const char *name) +{ + int i; + + /* check all firmware fbs and kick off if the base addr overlaps */ + for (i = 0 ; i < FB_MAX; i++) { + if (!registered_fb[i]) + continue; + + if (!(registered_fb[i]->flags & FBINFO_MISC_FIRMWARE)) + continue; + + if (fb_do_apertures_overlap(registered_fb[i]->apertures, a)) { + printk(KERN_ERR "fb: conflicting fb hw usage " + "%s vs %s - removing generic driver\n", + name, registered_fb[i]->fix.id); + unregister_framebuffer(registered_fb[i]); + } + } +} +EXPORT_SYMBOL(remove_conflicting_framebuffers); + /** * register_framebuffer - registers a frame buffer device * @fb_info: frame buffer info structure @@ -1524,21 +1545,7 @@ register_framebuffer(struct fb_info *fb_info) if (fb_check_foreignness(fb_info)) return -ENOSYS; - /* check all firmware fbs and kick off if the base addr overlaps */ - for (i = 0 ; i < FB_MAX; i++) { - if (!registered_fb[i]) - continue; - - if (registered_fb[i]->flags & FBINFO_MISC_FIRMWARE) { - if (fb_do_apertures_overlap(registered_fb[i], fb_info)) { - printk(KERN_ERR "fb: conflicting fb hw usage " - "%s vs %s - removing generic driver\n", - fb_info->fix.id, - registered_fb[i]->fix.id); - unregister_framebuffer(registered_fb[i]); - } - } - } + remove_conflicting_framebuffers(fb_info->apertures, fb_info->fix.id); num_registered_fb++; for (i = 0 ; i < FB_MAX; i++) |