drm: don't export drm_get_drawable_info

Not used by any in-tree user. So drop it.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/gpu/drm/drm_drawable.c

@@ -173,11 +173,10 @@ int drm_update_drawable_info(struct drm_device *dev, void *data, struct drm_file
 /**
  * Caller must hold the drawable spinlock!
  */
-struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, drm_drawable_t id)
+static struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev, drm_drawable_t id)
 {
 	return idr_find(&dev->drw_idr, id);
 }
-EXPORT_SYMBOL(drm_get_drawable_info);
 
 static int drm_drawable_free(int idr, void *p, void *data)
 {

include/drm/drmP.h

@@ -1238,8 +1238,6 @@ extern int drm_rmdraw(struct drm_device *dev, void *data,
 		      struct drm_file *file_priv);
 extern int drm_update_drawable_info(struct drm_device *dev, void *data,
 				    struct drm_file *file_priv);
-extern struct drm_drawable_info *drm_get_drawable_info(struct drm_device *dev,
-						  drm_drawable_t id);
 extern void drm_drawable_free_all(struct drm_device *dev);
 
 				/* Authentication IOCTL support (drm_auth.h) */