spice: wakeup QXL worker to pick up mouse changes

Without it, server-mode mouse is "slow" to update position: QXL will
wait until new display commands come. This is very visible with
virtio-gpu.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 20170130104540.14660-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/ui/spice-display.c b/ui/spice-display.c
index 5e6f78a..64e472e 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -769,6 +769,7 @@
     g_free(ssd->ptr_move);
     ssd->ptr_move = qemu_spice_create_cursor_update(ssd, NULL, on);
     qemu_mutex_unlock(&ssd->lock);
+    qemu_spice_wakeup(ssd);
 }
 
 static void display_mouse_define(DisplayChangeListener *dcl,
@@ -787,6 +788,7 @@
     g_free(ssd->ptr_define);
     ssd->ptr_define = qemu_spice_create_cursor_update(ssd, c, 0);
     qemu_mutex_unlock(&ssd->lock);
+    qemu_spice_wakeup(ssd);
 }
 
 static const DisplayChangeListenerOps display_listener_ops = {