Ensure that both the CAPTURE and the OUTPUT queue are running (e.g. busy -> have buffers allocated) before starting the actual streaming process. Signed-off-by: Sebastian Fricke <sebastian.fricke@xxxxxxxxxxxxx> --- drivers/staging/media/rkvdec/rkvdec.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/staging/media/rkvdec/rkvdec.c b/drivers/staging/media/rkvdec/rkvdec.c index c849f6c20279..e0e95d06e216 100644 --- a/drivers/staging/media/rkvdec/rkvdec.c +++ b/drivers/staging/media/rkvdec/rkvdec.c @@ -562,6 +562,13 @@ static int rkvdec_start_streaming(struct vb2_queue *q, unsigned int count) if (V4L2_TYPE_IS_CAPTURE(q->type)) return 0; + /* + * Make sure that both the output and the capture queue are running + */ + if (rkvdec_queue_busy(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) == 0 || + rkvdec_queue_busy(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE) == 0) + return -EAGAIN; + desc = ctx->coded_fmt_desc; if (WARN_ON(!desc)) return -EINVAL; -- 2.25.1
