From: Philipp Zabel Date: Fri, 12 Apr 2019 15:51:35 +0000 (-0400) Subject: media: coda: fix unset field and fail on invalid field in buf_prepare X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=583958cba72ffd092e9e3c8a8a284cb154c34b1c;p=openwrt%2Fstaging%2Fblogic.git media: coda: fix unset field and fail on invalid field in buf_prepare v4l2-compliance likes to queue a buffer with field set to V4L2_FIELD_ANY and expects it to be returned corrected to a valid field. Follow vicodec in handling this in the buf_prepare callback. Signed-off-by: Philipp Zabel Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c index 3ce58dee4422..1d96cca61547 100644 --- a/drivers/media/platform/coda/coda-common.c +++ b/drivers/media/platform/coda/coda-common.c @@ -1515,10 +1515,20 @@ static int coda_queue_setup(struct vb2_queue *vq, static int coda_buf_prepare(struct vb2_buffer *vb) { + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct coda_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); struct coda_q_data *q_data; q_data = get_q_data(ctx, vb->vb2_queue->type); + 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_warn(&ctx->dev->v4l2_dev, + "%s field isn't supported\n", __func__); + return -EINVAL; + } + } if (vb2_plane_size(vb, 0) < q_data->sizeimage) { v4l2_warn(&ctx->dev->v4l2_dev,