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From:   Benjamin Gaignard <benjamin.gaignard@collabora.com>
To:     hverkuil@xs4all.nl, mchehab@kernel.org, tfiga@chromium.org,
        m.szyprowski@samsung.com, matt.ranostay@konsulko.com
Cc:     linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
        linux-staging@lists.linux.dev, kernel@collabora.com,
        Benjamin Gaignard <benjamin.gaignard@collabora.com>,
        Shuah Khan <skhan@linuxfoundation.org>,
        Kieran Bingham <kieran.bingham@ideasonboard.com>
Subject: [PATCH 02/55] media: test-drivers: Stop abusing of min_buffers_needed field
Date:   Mon, 27 Nov 2023 17:54:01 +0100
Message-Id: <20231127165454.166373-3-benjamin.gaignard@collabora.com>
In-Reply-To: <20231127165454.166373-1-benjamin.gaignard@collabora.com>
References: <20231127165454.166373-1-benjamin.gaignard@collabora.com>
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'min_buffers_needed' is suppose to be used to indicate the number
of buffers needed by DMA engine to start streaming.
Obvious test-drivers don'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.
While at it rename function parameter.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
CC: Shuah Khan <skhan@linuxfoundation.org>
CC: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 drivers/media/test-drivers/vimc/vimc-capture.c | 2 +-
 drivers/media/test-drivers/vivid/vivid-core.c  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/test-drivers/vimc/vimc-capture.c b/drivers/media/test-drivers/vimc/vimc-capture.c
index aa944270e716..97693561f1e4 100644
--- a/drivers/media/test-drivers/vimc/vimc-capture.c
+++ b/drivers/media/test-drivers/vimc/vimc-capture.c
@@ -432,7 +432,7 @@ static struct vimc_ent_device *vimc_capture_add(struct vimc_device *vimc,
 	q->mem_ops = vimc_allocator == VIMC_ALLOCATOR_DMA_CONTIG
 		   ? &vb2_dma_contig_memops : &vb2_vmalloc_memops;
 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-	q->min_buffers_needed = 2;
+	q->min_reqbufs_allocation = 2;
 	q->lock = &vcapture->lock;
 	q->dev = v4l2_dev->dev;
 
diff --git a/drivers/media/test-drivers/vivid/vivid-core.c b/drivers/media/test-drivers/vivid/vivid-core.c
index 353f035fcd19..b4e888ac6016 100644
--- a/drivers/media/test-drivers/vivid/vivid-core.c
+++ b/drivers/media/test-drivers/vivid/vivid-core.c
@@ -861,7 +861,7 @@ static const struct media_device_ops vivid_media_ops = {
 static int vivid_create_queue(struct vivid_dev *dev,
 			      struct vb2_queue *q,
 			      u32 buf_type,
-			      unsigned int min_buffers_needed,
+			      unsigned int min_reqbufs_allocation,
 			      const struct vb2_ops *ops)
 {
 	if (buf_type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->multiplanar)
@@ -898,7 +898,7 @@ static int vivid_create_queue(struct vivid_dev *dev,
 	q->mem_ops = allocators[dev->inst] == 1 ? &vb2_dma_contig_memops :
 						  &vb2_vmalloc_memops;
 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-	q->min_buffers_needed = supports_requests[dev->inst] ? 0 : min_buffers_needed;
+	q->min_reqbufs_allocation = supports_requests[dev->inst] ? 0 : min_reqbufs_allocation;
 	q->lock = &dev->mutex;
 	q->dev = dev->v4l2_dev.dev;
 	q->supports_requests = supports_requests[dev->inst];
-- 
2.39.2