linux-kernel - [PATCH v2 10/36] media: ti: am437x: Remove useless setting of min_buffers

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Message-Id: <20231204132323.22811-11-benjamin.gaignard@collabora.com>
Date:   Mon,  4 Dec 2023 14:22:57 +0100
From:   Benjamin Gaignard <benjamin.gaignard@...labora.com>
To:     hverkuil@...all.nl, mchehab@...nel.org, tfiga@...omium.org,
        m.szyprowski@...sung.com, matt.ranostay@...sulko.com
Cc:     linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-staging@...ts.linux.dev, kernel@...labora.com,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        "Lad, Prabhakar" <prabhakar.csengg@...il.com>
Subject: [PATCH v2 10/36] media: ti: am437x: Remove useless setting of min_buffers_needed

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@...labora.com>
CC: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
---
 drivers/media/platform/ti/am437x/am437x-vpfe.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/media/platform/ti/am437x/am437x-vpfe.c b/drivers/media/platform/ti/am437x/am437x-vpfe.c
index f18acf9286a2..228920450e7a 100644
--- a/drivers/media/platform/ti/am437x/am437x-vpfe.c
+++ b/drivers/media/platform/ti/am437x/am437x-vpfe.c
@@ -2234,7 +2234,6 @@ static int vpfe_probe_complete(struct vpfe_device *vpfe)
 	q->buf_struct_size = sizeof(struct vpfe_cap_buffer);
 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 	q->lock = &vpfe->lock;
-	q->min_buffers_needed = 1;
 	q->dev = vpfe->pdev;
 
 	err = vb2_queue_init(q);
-- 
2.39.2