| Message ID | 20231031163104.112469-25-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: Sergey Kozlov <serjk@netup.ru> > CC: Abylay Ospan <aospan@netup.ru> > --- > drivers/media/pci/netup_unidvb/netup_unidvb_core.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c > index d85bfbb77a25..557985ba25db 100644 > --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c > +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c > @@ -293,12 +293,13 @@ static int netup_unidvb_queue_setup(struct vb2_queue *vq, > struct device *alloc_devs[]) > { > struct netup_dma *dma = vb2_get_drv_priv(vq); > + unsigned int q_num_bufs = vb2_get_num_buffers(vq); > > dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__); > > *nplanes = 1; > - if (vq->num_buffers + *nbuffers < VIDEO_MAX_FRAME) > - *nbuffers = VIDEO_MAX_FRAME - vq->num_buffers; > + if (q_num_bufs + *nbuffers < VIDEO_MAX_FRAME) > + *nbuffers = VIDEO_MAX_FRAME - q_num_bufs; > sizes[0] = PAGE_ALIGN(NETUP_DMA_PACKETS_COUNT * 188); > dev_dbg(&dma->ndev->pci_dev->dev, "%s() nbuffers=%d sizes[0]=%d\n", > __func__, *nbuffers, sizes[0]);
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c index d85bfbb77a25..557985ba25db 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -293,12 +293,13 @@ static int netup_unidvb_queue_setup(struct vb2_queue *vq, struct device *alloc_devs[]) { struct netup_dma *dma = vb2_get_drv_priv(vq); + unsigned int q_num_bufs = vb2_get_num_buffers(vq); dev_dbg(&dma->ndev->pci_dev->dev, "%s()\n", __func__); *nplanes = 1; - if (vq->num_buffers + *nbuffers < VIDEO_MAX_FRAME) - *nbuffers = VIDEO_MAX_FRAME - vq->num_buffers; + if (q_num_bufs + *nbuffers < VIDEO_MAX_FRAME) + *nbuffers = VIDEO_MAX_FRAME - q_num_bufs; sizes[0] = PAGE_ALIGN(NETUP_DMA_PACKETS_COUNT * 188); dev_dbg(&dma->ndev->pci_dev->dev, "%s() nbuffers=%d sizes[0]=%d\n", __func__, *nbuffers, sizes[0]);
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: Sergey Kozlov <serjk@netup.ru> CC: Abylay Ospan <aospan@netup.ru> --- drivers/media/pci/netup_unidvb/netup_unidvb_core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)