console: init displaychangelisteners on register

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

console.h

@@ -241,6 +241,9 @@ static inline void register_displaychangelistener(DisplayState *ds, DisplayChang
 {
     QLIST_INSERT_HEAD(&ds->listeners, dcl, next);
     gui_setup_refresh(ds);
+    if (dcl->dpy_gfx_resize) {
+        dcl->dpy_gfx_resize(ds);
+    }
 }
 
 static inline void unregister_displaychangelistener(DisplayState *ds,

vl.c

@@ -3876,7 +3876,6 @@ int main(int argc, char **argv, char **envp)
 #endif
 
     /* display setup */
-    dpy_gfx_resize(ds);
     text_consoles_set_display(ds);
 
     if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {