drm/virtgpu: initialise fbdev after getting initial display info

This should avoid issues with the fbdev path trying to render
before we've gotten the display info.

Signed-off-by: Dave Airlie <airlied@redhat.com>

[ kraxel: wait for display-info reply ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index e5a2c09..ff8de3d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -171,6 +171,7 @@
 	wait_queue_head_t resp_wq;
 	/* current display info */
 	spinlock_t display_info_lock;
+	bool display_info_pending;
 
 	struct virtio_gpu_fence_driver fence_drv;