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authorBenjamin Gaignard <benjamin.gaignard@collabora.com>2023-11-09 19:34:47 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2023-11-23 14:32:16 +0300
commit9d5ffd498dcb94cdf42cadd4b8e97e86ca7abb12 (patch)
tree26644859856fd4254203164a24f62f36088ef0ec /drivers/staging/media
parent46cbe0cd4cfbbab4673411230c8de260fe67c064 (diff)
downloadlinux-9d5ffd498dcb94cdf42cadd4b8e97e86ca7abb12.tar.xz
media: imx: 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 future. Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com> Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com> CC: Steve Longerbeam <slongerbeam@gmail.com> CC: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/imx/imx-media-capture.c7
1 files 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;