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media: pci: netup_unidvb: 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: Sergey Kozlov <serjk@netup.ru>
CC: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Benjamin Gaignard 2023-11-09 17:34:40 +01:00 committed by Mauro Carvalho Chehab
parent ad3d85a135
commit 58415c7e52
1 changed files with 3 additions and 2 deletions
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5
drivers/media/pci/netup_unidvb/netup_unidvb_core.c
View File

@ -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]);