| Message ID | 20231109163512.179524-26-benjamin.gaignard@collabora.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Add DELETE_BUF ioctl | expand |
W dniu 9.11.2023 o 17:34, 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: Fabrizio Castro <fabrizio.castro.jz@renesas.com> > --- > drivers/media/pci/tw68/tw68-video.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c > index 773a18702d36..79b627ebc92a 100644 > --- a/drivers/media/pci/tw68/tw68-video.c > +++ b/drivers/media/pci/tw68/tw68-video.c > @@ -360,13 +360,14 @@ static int tw68_queue_setup(struct vb2_queue *q, > unsigned int sizes[], struct device *alloc_devs[]) > { > struct tw68_dev *dev = vb2_get_drv_priv(q); > - unsigned tot_bufs = q->num_buffers + *num_buffers; > + unsigned int q_num_bufs = vb2_get_num_buffers(q); > + unsigned int tot_bufs = q_num_bufs + *num_buffers; > unsigned size = (dev->fmt->depth * dev->width * dev->height) >> 3; > > if (tot_bufs < 2) > tot_bufs = 2; > tot_bufs = tw68_buffer_count(size, tot_bufs); > - *num_buffers = tot_bufs - q->num_buffers; > + *num_buffers = tot_bufs - q_num_bufs; > /* > * We allow create_bufs, but only if the sizeimage is >= as the > * current sizeimage. The tw68_buffer_count calculation becomes quite
diff --git a/drivers/media/pci/tw68/tw68-video.c b/drivers/media/pci/tw68/tw68-video.c index 773a18702d36..79b627ebc92a 100644 --- a/drivers/media/pci/tw68/tw68-video.c +++ b/drivers/media/pci/tw68/tw68-video.c @@ -360,13 +360,14 @@ static int tw68_queue_setup(struct vb2_queue *q, unsigned int sizes[], struct device *alloc_devs[]) { struct tw68_dev *dev = vb2_get_drv_priv(q); - unsigned tot_bufs = q->num_buffers + *num_buffers; + unsigned int q_num_bufs = vb2_get_num_buffers(q); + unsigned int tot_bufs = q_num_bufs + *num_buffers; unsigned size = (dev->fmt->depth * dev->width * dev->height) >> 3; if (tot_bufs < 2) tot_bufs = 2; tot_bufs = tw68_buffer_count(size, tot_bufs); - *num_buffers = tot_bufs - q->num_buffers; + *num_buffers = tot_bufs - q_num_bufs; /* * We allow create_bufs, but only if the sizeimage is >= as the * current sizeimage. The tw68_buffer_count calculation becomes quite
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: Fabrizio Castro <fabrizio.castro.jz@renesas.com> --- drivers/media/pci/tw68/tw68-video.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)