gpu: struct device - replace bus_id with dev_name(), dev_set_name()

CC: Dave Airlie <airlied@redhat.com>
Signed-off-by: NKay Sievers <kay.sievers@vrfy.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/gpu/drm/drm_sysfs.c

@@ -488,7 +488,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
         else
                 minor_str = "card%d";
 
-	snprintf(minor->kdev.bus_id, BUS_ID_SIZE, minor_str, minor->index);
+	dev_set_name(&minor->kdev, minor_str, minor->index);
 
 	err = device_register(&minor->kdev);
 	if (err) {