[PATCH 1/2] media: rockchip: rga: fix field in OUTPUT buffers

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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@xxxxxxxxxxxxxx>
---
 drivers/media/platform/rockchip/rga/rga-buf.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/media/platform/rockchip/rga/rga-buf.c b/drivers/media/platform/rockchip/rga/rga-buf.c
index 662c81b6d0b5..77c7535893e3 100644
--- a/drivers/media/platform/rockchip/rga/rga-buf.c
+++ b/drivers/media/platform/rockchip/rga/rga-buf.c
@@ -119,6 +119,16 @@ 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) {
+			v4l2_err(&ctx->rga->v4l2_dev, "Unsupported field %s\n",
+				 v4l2_field_names[vbuf->field]);
+			return -EINVAL;
+		}
+	}
+
 	for (i = 0; i < vb->num_planes; i++) {
 		vb2_set_plane_payload(vb, i, f->pix.plane_fmt[i].sizeimage);
 

-- 
2.39.2





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