diff --git a/drivers/gpu/drm/virtio/virtgpu_debugfs.c b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
index db8b49101a8b..512263919282 100644
--- a/drivers/gpu/drm/virtio/virtgpu_debugfs.c
+++ b/drivers/gpu/drm/virtio/virtgpu_debugfs.c
@@ -34,8 +34,8 @@ virtio_gpu_debugfs_irq_info(struct seq_file *m, void *data)
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct virtio_gpu_device *vgdev = node->minor->dev->dev_private;
 
-	seq_printf(m, "fence %ld %lld\n",
-		   atomic64_read(&vgdev->fence_drv.last_seq),
+	seq_printf(m, "fence %llu %lld\n",
+		   (u64)atomic64_read(&vgdev->fence_drv.last_seq),
 		   vgdev->fence_drv.sync_seq);
 	return 0;
 }
diff --git a/drivers/gpu/drm/virtio/virtgpu_fence.c b/drivers/gpu/drm/virtio/virtgpu_fence.c
index 1da632631dac..67097c9ce9c1 100644
--- a/drivers/gpu/drm/virtio/virtgpu_fence.c
+++ b/drivers/gpu/drm/virtio/virtgpu_fence.c
@@ -61,7 +61,7 @@ static void virtio_timeline_value_str(struct fence *f, char *str, int size)
 {
 	struct virtio_gpu_fence *fence = to_virtio_fence(f);
 
-	snprintf(str, size, "%lu", atomic64_read(&fence->drv->last_seq));
+	snprintf(str, size, "%llu", (u64)atomic64_read(&fence->drv->last_seq));
 }
 
 static const struct fence_ops virtio_fence_ops = {