linux-kernel - [PATCH 15/55] media: amphion: Stop abusing of min_buffers

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Message-Id: <20231127165454.166373-16-benjamin.gaignard@collabora.com>
Date:   Mon, 27 Nov 2023 17:54:14 +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>,
        Ming Qian <ming.qian@....com>, Zhou Peng <eagle.zhou@....com>
Subject: [PATCH 15/55] media: amphion: 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.
amphion 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: Ming Qian <ming.qian@....com>
CC: Zhou Peng <eagle.zhou@....com>
---
 drivers/media/platform/amphion/vpu_v4l2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/platform/amphion/vpu_v4l2.c
index 87afb4a18d5d..1e4c76032d2b 100644
--- a/drivers/media/platform/amphion/vpu_v4l2.c
+++ b/drivers/media/platform/amphion/vpu_v4l2.c
@@ -649,7 +649,7 @@ static int vpu_m2m_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_q
 		src_vq->mem_ops = &vb2_vmalloc_memops;
 	src_vq->drv_priv = inst;
 	src_vq->buf_struct_size = sizeof(struct vpu_vb2_buffer);
-	src_vq->min_buffers_needed = 1;
+	src_vq->min_reqbufs_allocation = 1;
 	src_vq->dev = inst->vpu->dev;
 	src_vq->lock = &inst->lock;
 	ret = vb2_queue_init(src_vq);
@@ -666,7 +666,7 @@ static int vpu_m2m_queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_q
 		dst_vq->mem_ops = &vb2_vmalloc_memops;
 	dst_vq->drv_priv = inst;
 	dst_vq->buf_struct_size = sizeof(struct vpu_vb2_buffer);
-	dst_vq->min_buffers_needed = 1;
+	dst_vq->min_reqbufs_allocation = 1;
 	dst_vq->dev = inst->vpu->dev;
 	dst_vq->lock = &inst->lock;
 	ret = vb2_queue_init(dst_vq);
-- 
2.39.2