linux-kernel - [PATCH 27/55] media: sun6i-isp: Stop abusing of min_buffers

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Message-Id: <20231127165454.166373-28-benjamin.gaignard@collabora.com>
Date:   Mon, 27 Nov 2023 17:54:26 +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>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        linux-sunxi@...ts.linux.dev
Subject: [PATCH 27/55] media: sun6i-isp: Stop abusing of min_buffers_needed field

'min_buffers_needed' is suppose to be used to indicate the number
of buffers needed by DMA engine to start streaming.
sun6i-isp driver doesn't use DMA engine and just want to specify
the minimum number of buffers to allocate when calling VIDIOC_REQBUFS.
That 'min_reqbufs_allocation' field purpose so use it.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
CC: Paul Kocialkowski <paul.kocialkowski@...tlin.com>
CC: Chen-Yu Tsai <wens@...e.org>
CC: Jernej Skrabec <jernej.skrabec@...il.com>
CC: Samuel Holland <samuel@...lland.org>
CC: linux-sunxi@...ts.linux.dev
---
 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c | 2 +-
 drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c
index 1595a9607775..f47f9946c19f 100644
--- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c
+++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_capture.c
@@ -660,7 +660,7 @@ int sun6i_isp_capture_setup(struct sun6i_isp_device *isp_dev)
 	queue->buf_struct_size = sizeof(struct sun6i_isp_buffer);
 	queue->ops = &sun6i_isp_capture_queue_ops;
 	queue->mem_ops = &vb2_dma_contig_memops;
-	queue->min_buffers_needed = 2;
+	queue->min_reqbufs_allocation = 2;
 	queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 	queue->lock = &capture->lock;
 	queue->dev = isp_dev->dev;
diff --git a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c
index e28be895b486..259f6bfcb620 100644
--- a/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c
+++ b/drivers/staging/media/sunxi/sun6i-isp/sun6i_isp_params.c
@@ -489,7 +489,7 @@ int sun6i_isp_params_setup(struct sun6i_isp_device *isp_dev)
 	queue->buf_struct_size = sizeof(struct sun6i_isp_buffer);
 	queue->ops = &sun6i_isp_params_queue_ops;
 	queue->mem_ops = &vb2_vmalloc_memops;
-	queue->min_buffers_needed = 1;
+	queue->min_reqbufs_allocation = 1;
 	queue->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
 	queue->lock = &params->lock;
 	queue->dev = isp_dev->dev;
-- 
2.39.2