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Subject: media: imx: Stop direct calls to queue num_buffers field
Author: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Date: Thu Nov 9 17:34:47 2023 +0100
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
future.
Signed-off-by: Benjamin Gaignard <benjamin.gaign...@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrze...@collabora.com>
CC: Steve Longerbeam <slongerb...@gmail.com>
CC: Philipp Zabel <p.za...@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org>
drivers/staging/media/imx/imx-media-capture.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/drivers/staging/media/imx/imx-media-capture.c
b/drivers/staging/media/imx/imx-media-capture.c
index 4846078315ff..ce02199e7b1b 100644
--- a/drivers/staging/media/imx/imx-media-capture.c
+++ b/drivers/staging/media/imx/imx-media-capture.c
@@ -605,6 +605,7 @@ static int capture_queue_setup(struct vb2_queue *vq,
{
struct capture_priv *priv = vb2_get_drv_priv(vq);
struct v4l2_pix_format *pix = &priv->vdev.fmt;
+ unsigned int q_num_bufs = vb2_get_num_buffers(vq);
unsigned int count = *nbuffers;
if (vq->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
@@ -613,14 +614,14 @@ static int capture_queue_setup(struct vb2_queue *vq,
if (*nplanes) {
if (*nplanes != 1 || sizes[0] < pix->sizeimage)
return -EINVAL;
- count += vq->num_buffers;
+ count += q_num_bufs;
}
count = min_t(__u32, VID_MEM_LIMIT / pix->sizeimage, count);
if (*nplanes)
- *nbuffers = (count < vq->num_buffers) ? 0 :
- count - vq->num_buffers;
+ *nbuffers = (count < q_num_bufs) ? 0 :
+ count - q_num_bufs;
else
*nbuffers = count;
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