[PATCH v2 15/36] media: pci: intel: ipu3: Remove useless setting of min_buffers_needed

From: Benjamin Gaignard
Date: Mon Dec 04 2023 - 08:24:44 EST


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