[media] exynos-gsc: Add copy time stamp handling

Since the introduction of the timestamp_type field, it is necessary that
the driver chooses which type it will use. This patch adds support for
the timestamp_type.

Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/exynos-gsc/gsc-m2m.c

@@ -80,6 +80,9 @@ void gsc_m2m_job_finish(struct gsc_ctx *ctx, int vb_state)
 	dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 
 	if (src_vb && dst_vb) {
+		src_vb->v4l2_buf.timestamp = dst_vb->v4l2_buf.timestamp;
+		src_vb->v4l2_buf.timecode = dst_vb->v4l2_buf.timecode;
+
 		v4l2_m2m_buf_done(src_vb, vb_state);
 		v4l2_m2m_buf_done(dst_vb, vb_state);
 
@@ -584,6 +587,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
 	src_vq->ops = &gsc_m2m_qops;
 	src_vq->mem_ops = &vb2_dma_contig_memops;
 	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 
 	ret = vb2_queue_init(src_vq);
 	if (ret)
@@ -596,6 +600,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
 	dst_vq->ops = &gsc_m2m_qops;
 	dst_vq->mem_ops = &vb2_dma_contig_memops;
 	dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 
 	return vb2_queue_init(dst_vq);
 }