linux-kernel - [PATCH 52/55] media: pci: zoran: Use min_dma_buffers

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Message-Id: <20231127165454.166373-53-benjamin.gaignard@collabora.com>
Date:   Mon, 27 Nov 2023 17:54:51 +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>,
        Corentin Labbe <clabbe@...libre.com>,
        mjpeg-users@...ts.sourceforge.net
Subject: [PATCH 52/55] media: pci: zoran: Use min_dma_buffers_needed field

zoran driver use a dma engine and needs a minimum number of
buffers to be present before start streaming.
That is 'min_dma_buffers_needed' purpose so use it instead
of 'min_buffers_needed' field.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
CC: Corentin Labbe <clabbe@...libre.com>
CC: mjpeg-users@...ts.sourceforge.net
---
 drivers/media/pci/zoran/zoran_driver.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/media/pci/zoran/zoran_driver.c b/drivers/media/pci/zoran/zoran_driver.c
index fa672cc8bc67..23ed1fdc03df 100644
--- a/drivers/media/pci/zoran/zoran_driver.c
+++ b/drivers/media/pci/zoran/zoran_driver.c
@@ -749,9 +749,6 @@ static int zr_vb2_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsi
 
 	zr->buf_in_reserve = 0;
 
-	if (*nbuffers < vq->min_buffers_needed)
-		*nbuffers = vq->min_buffers_needed;
-
 	if (*nplanes) {
 		if (sizes[0] < size)
 			return -EINVAL;
@@ -971,7 +968,7 @@ int zoran_queue_init(struct zoran *zr, struct vb2_queue *vq, int dir)
 	vq->mem_ops = &vb2_dma_contig_memops;
 	vq->gfp_flags = GFP_DMA32;
 	vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-	vq->min_buffers_needed = 9;
+	vq->min_dma_buffers_needed = 9;
 	vq->lock = &zr->lock;
 	err = vb2_queue_init(vq);
 	if (err)
-- 
2.39.2