| Message ID | 20231031163104.112469-32-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add DELETE_BUF ioctl | expand |
W dniu 31.10.2023 o 17:30, Benjamin Gaignard pisze: > 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> > --- > 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; >
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;
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> CC: Steve Longerbeam <slongerbeam@gmail.com> CC: Philipp Zabel <p.zabel@pengutronix.de> --- drivers/staging/media/imx/imx-media-capture.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)