[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20231017144756.34719-27-benjamin.gaignard@collabora.com>
Date: Tue, 17 Oct 2023 16:47:26 +0200
From: Benjamin Gaignard <benjamin.gaignard@...labora.com>
To: mchehab@...nel.org, tfiga@...omium.org, m.szyprowski@...sung.com,
ming.qian@....com, ezequiel@...guardiasur.com.ar,
p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
hverkuil-cisco@...all.nl, nicolas.dufresne@...labora.com
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
linux-rockchip@...ts.infradead.org, linux-staging@...ts.linux.dev,
kernel@...labora.com,
Benjamin Gaignard <benjamin.gaignard@...labora.com>,
Matt Ranostay <matt.ranostay@...sulko.com>
Subject: [PATCH v12 26/56] media: i2c: video-i2c: Stop direct calls to queue num_buffers field
Use vb2_get_num_buffers() to avoid using queue num_buffers field directly.
This allows us to change how the number of buffers is computed in the
futur.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
CC: Matt Ranostay <matt.ranostay@...sulko.com>
---
drivers/media/i2c/video-i2c.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c
index 178bd06cc2ed..ebf2ac98a068 100644
--- a/drivers/media/i2c/video-i2c.c
+++ b/drivers/media/i2c/video-i2c.c
@@ -405,9 +405,10 @@ static int queue_setup(struct vb2_queue *vq,
{
struct video_i2c_data *data = vb2_get_drv_priv(vq);
unsigned int size = data->chip->buffer_size;
+ unsigned int q_num_bufs = vb2_get_num_buffers(vq);
- if (vq->num_buffers + *nbuffers < 2)
- *nbuffers = 2;
+ if (q_num_bufs + *nbuffers < 2)
+ *nbuffers = 2 - q_num_bufs;
if (*nplanes)
return sizes[0] < size ? -EINVAL : 0;
--
2.39.2
Powered by blists - more mailing lists