diff --git a/drivers/media/platform/m2m-deinterlace.c b/drivers/media/platform/m2m-deinterlace.c
index a566ec566cec..5f84d2aa47ab 100644
--- a/drivers/media/platform/m2m-deinterlace.c
+++ b/drivers/media/platform/m2m-deinterlace.c
@@ -842,6 +842,8 @@ static const struct vb2_ops deinterlace_qops = {
 	.queue_setup	 = deinterlace_queue_setup,
 	.buf_prepare	 = deinterlace_buf_prepare,
 	.buf_queue	 = deinterlace_buf_queue,
+	.wait_prepare	 = vb2_ops_wait_prepare,
+	.wait_finish	 = vb2_ops_wait_finish,
 };
 
 static int queue_init(void *priv, struct vb2_queue *src_vq,
@@ -858,6 +860,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
 	src_vq->mem_ops = &vb2_dma_contig_memops;
 	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 	src_vq->dev = ctx->dev->v4l2_dev.dev;
+	src_vq->lock = &ctx->dev->dev_mutex;
 	q_data[V4L2_M2M_SRC].fmt = &formats[0];
 	q_data[V4L2_M2M_SRC].width = 640;
 	q_data[V4L2_M2M_SRC].height = 480;
@@ -876,6 +879,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
 	dst_vq->mem_ops = &vb2_dma_contig_memops;
 	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 	dst_vq->dev = ctx->dev->v4l2_dev.dev;
+	dst_vq->lock = &ctx->dev->dev_mutex;
 	q_data[V4L2_M2M_DST].fmt = &formats[0];
 	q_data[V4L2_M2M_DST].width = 640;
 	q_data[V4L2_M2M_DST].height = 480;