Hi Benjamin, Thank you for the patch. On Mon, Nov 27, 2023 at 05:54:06PM +0100, Benjamin Gaignard wrote: > 'min_buffers_needed' is suppose to be used to indicate the number > of buffers needed by DMA engine to start streaming. > imx8-isi driver doesn't use DMA engine and just want to specify What do you mean, "doesn't use DMA engine" ? The ISI surely has DMA engines :-) > the minimum number of buffers to allocate when calling VIDIOC_REQBUFS. > That 'min_reqbufs_allocation' field purpose so use it. > > Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx> > CC: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> > CC: Shawn Guo <shawnguo@xxxxxxxxxx> > CC: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > CC: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx> > CC: Fabio Estevam <festevam@xxxxxxxxx> > CC: NXP Linux Team <linux-imx@xxxxxxx> > --- > drivers/media/platform/nxp/imx8-isi/imx8-isi-video.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/media/platform/nxp/imx8-isi/imx8-isi-video.c b/drivers/media/platform/nxp/imx8-isi/imx8-isi-video.c > index 49bca2b01cc6..81673ff9084b 100644 > --- a/drivers/media/platform/nxp/imx8-isi/imx8-isi-video.c > +++ b/drivers/media/platform/nxp/imx8-isi/imx8-isi-video.c > @@ -1453,7 +1453,7 @@ int mxc_isi_video_register(struct mxc_isi_pipe *pipe, > q->mem_ops = &vb2_dma_contig_memops; > q->buf_struct_size = sizeof(struct mxc_isi_buffer); > q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; > - q->min_buffers_needed = 2; > + q->min_reqbufs_allocation = 2; > q->lock = &video->lock; > q->dev = pipe->isi->dev; > -- Regards, Laurent Pinchart