diff options
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/core/fbmem.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index b445a7a00def..afa2863670f3 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1764,53 +1764,6 @@ int remove_conflicting_framebuffers(struct apertures_struct *a, EXPORT_SYMBOL(remove_conflicting_framebuffers); /** - * is_firmware_framebuffer - detect if firmware-configured framebuffer matches - * @a: memory range, users of which are to be checked - * - * This function checks framebuffer devices (initialized by firmware/bootloader) - * which use memory range described by @a. If @a matchesm the function returns - * true, otherwise false. - */ -bool is_firmware_framebuffer(struct apertures_struct *a) -{ - bool do_free = false; - bool found = false; - int i; - - if (!a) { - a = alloc_apertures(1); - if (!a) - return false; - - a->ranges[0].base = 0; - a->ranges[0].size = ~0; - do_free = true; - } - - mutex_lock(®istration_lock); - /* check all firmware fbs and kick off if the base addr overlaps */ - for_each_registered_fb(i) { - struct apertures_struct *gen_aper; - - if (!(registered_fb[i]->flags & FBINFO_MISC_FIRMWARE)) - continue; - - gen_aper = registered_fb[i]->apertures; - if (fb_do_apertures_overlap(gen_aper, a)) { - found = true; - break; - } - } - mutex_unlock(®istration_lock); - - if (do_free) - kfree(a); - - return found; -} -EXPORT_SYMBOL(is_firmware_framebuffer); - -/** * remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices * @pdev: PCI device * @name: requesting driver name |