This driver uses min_buffers_needed which vb2 uses to ensure start_streaming is called when at least 'min_buffers_needed' buffers are queued. However, this driver doesn't need this, it can stream fine without any buffers queued. Just drop this unnecessary restriction. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx> CC: Yong Zhi <yong.zhi@xxxxxxxxx> CC: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> CC: Bingbu Cao <bingbu.cao@xxxxxxxxx> CC: Dan Scally <djrscally@xxxxxxxxx> CC: Tianshu Qiu <tian.shu.qiu@xxxxxxxxx> --- drivers/media/pci/intel/ipu3/ipu3-cio2.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c index 5d3b0ffd3d08..7f72be686981 100644 --- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c @@ -1589,7 +1589,6 @@ static int cio2_queue_init(struct cio2_device *cio2, struct cio2_queue *q) vbq->mem_ops = &vb2_dma_sg_memops; vbq->buf_struct_size = sizeof(struct cio2_buffer); vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - vbq->min_buffers_needed = 1; vbq->drv_priv = cio2; vbq->lock = &q->lock; r = vb2_queue_init(vbq); -- 2.39.2