media: rockchip: rga: fix field in OUTPUT buffers

Returned buffers shouldn't contain V4L2_FIELD_ANY as field. Set the
field to V4L2_FIELD_NONE, if it isn't set.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>

Author: tretter

drivers/media/platform/rockchip/rga/rga-buf.c

@@ -119,6 +119,13 @@ static int rga_buf_prepare(struct vb2_buffer *vb)
 	if (IS_ERR(f))
 		return PTR_ERR(f);
 
+	if (V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type)) {
+		if (vbuf->field == V4L2_FIELD_ANY)
+			vbuf->field = V4L2_FIELD_NONE;
+		if (vbuf->field != V4L2_FIELD_NONE)
+			return -EINVAL;
+	}
+
 	for (i = 0; i < vb->num_planes; i++) {
 		vb2_set_plane_payload(vb, i, f->pix.plane_fmt[i].sizeimage);