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From:   Benjamin Gaignard <benjamin.gaignard@collabora.com>
To:     mchehab@kernel.org, tfiga@chromium.org, m.szyprowski@samsung.com,
        ming.qian@nxp.com, ezequiel@vanguardiasur.com.ar,
        p.zabel@pengutronix.de, gregkh@linuxfoundation.org,
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Cc:     linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org,
        linux-rockchip@lists.infradead.org, linux-staging@lists.linux.dev,
        kernel@collabora.com,
        Benjamin Gaignard <benjamin.gaignard@collabora.com>
Subject: [PATCH v7 27/49] media: pci: tw686x: Stop direct calls to queue num_buffers field
Date:   Thu, 14 Sep 2023 15:33:01 +0200
Message-Id: <20230914133323.198857-28-benjamin.gaignard@collabora.com>
In-Reply-To: <20230914133323.198857-1-benjamin.gaignard@collabora.com>
References: <20230914133323.198857-1-benjamin.gaignard@collabora.com>
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Use vb2_get_num_buffers() to avoid using queue num_buffer field directly.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
 drivers/media/pci/tw686x/tw686x-video.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/media/pci/tw686x/tw686x-video.c b/drivers/media/pci/tw686x/tw686x-video.c
index 3ebf7a2c95f0..6bc6d143d18c 100644
--- a/drivers/media/pci/tw686x/tw686x-video.c
+++ b/drivers/media/pci/tw686x/tw686x-video.c
@@ -423,6 +423,7 @@ static int tw686x_queue_setup(struct vb2_queue *vq,
 			      unsigned int sizes[], struct device *alloc_devs[])
 {
 	struct tw686x_video_channel *vc = vb2_get_drv_priv(vq);
+	unsigned int q_num_bufs = vb2_get_num_buffers(vq);
 	unsigned int szimage =
 		(vc->width * vc->height * vc->format->depth) >> 3;
 
@@ -430,8 +431,8 @@ static int tw686x_queue_setup(struct vb2_queue *vq,
 	 * Let's request at least three buffers: two for the
 	 * DMA engine and one for userspace.
 	 */
-	if (vq->num_buffers + *nbuffers < 3)
-		*nbuffers = 3 - vq->num_buffers;
+	if (q_num_bufs + *nbuffers < 3)
+		*nbuffers = 3 - q_num_bufs;
 
 	if (*nplanes) {
 		if (*nplanes != 1 || sizes[0] < szimage)
-- 
2.39.2