linux-kernel - [PATCH v2 11/36] media: ti: davinci: Remove useless setting of min_buffers

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Message-Id: <20231204132323.22811-12-benjamin.gaignard@collabora.com>
Date:   Mon,  4 Dec 2023 14:22:58 +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 11/36] media: ti: davinci: 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/davinci/vpif_capture.c | 1 -
 drivers/media/platform/ti/davinci/vpif_display.c | 1 -
 2 files changed, 2 deletions(-)

diff --git a/drivers/media/platform/ti/davinci/vpif_capture.c b/drivers/media/platform/ti/davinci/vpif_capture.c
index fc42b4bc37e6..300c3cb5cbed 100644
--- a/drivers/media/platform/ti/davinci/vpif_capture.c
+++ b/drivers/media/platform/ti/davinci/vpif_capture.c
@@ -1429,7 +1429,6 @@ static int vpif_probe_complete(void)
 		q->mem_ops = &vb2_dma_contig_memops;
 		q->buf_struct_size = sizeof(struct vpif_cap_buffer);
 		q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-		q->min_buffers_needed = 1;
 		q->lock = &common->lock;
 		q->dev = vpif_dev;
 
diff --git a/drivers/media/platform/ti/davinci/vpif_display.c b/drivers/media/platform/ti/davinci/vpif_display.c
index 9dbab1003c1d..d45391a4d8f2 100644
--- a/drivers/media/platform/ti/davinci/vpif_display.c
+++ b/drivers/media/platform/ti/davinci/vpif_display.c
@@ -1169,7 +1169,6 @@ static int vpif_probe_complete(void)
 		q->mem_ops = &vb2_dma_contig_memops;
 		q->buf_struct_size = sizeof(struct vpif_disp_buffer);
 		q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-		q->min_buffers_needed = 1;
 		q->lock = &common->lock;
 		q->dev = vpif_dev;
 		err = vb2_queue_init(q);
-- 
2.39.2