Re: [v8 00/14] media: Add support for R-Car ISP using Dreamchip RPPX1 ISP

Jacopo Mondi
2026-05-06T12:49:22Z

Hello,

On Wed, May 06, 2026 at 02:29:54PM +0200, Niklas Söderlund wrote:
> Hi Geert,
>
> On 2026-05-06 14:19:28 +0200, Geert Uytterhoeven wrote:
> > Hi Niklas,
> >
> > On Mon, 4 May 2026 at 03:08, Niklas Söderlund
> > <niklas.soderlund+renesas@ragnatech.se> wrote:
> > > This series adds support for two different devices that together enable
> > > ISP support on Renesas R-Car Gen4 ISP processing. The first driver added
> > > is for Dreamchip RPPX1 ISP, this device purely deals with image
> > > processing algorithms, statistics and image conversion; but have no DMA
> > > engines. The second driver is for the R-Car ISP CORE, this device
> > > deals with DMA to/from the RPPX1 ISP and provides a V4L2 user-space
> > > interface for the ISP.
> >
> > Thanks for your series!
> >
> > > This series depends on the ISP extensible statistics definitions
> > > out-of-tree patches.
> >
> > So that is:
> > 1. "[PATCH v1 00/11] media: Add iMX95 neoisp driver"
> > https://lore.kernel.org/20260413160331.2611829-1-antoine.bouyer@nxp.com/
> > for v4l2_isp_block_header,
> > 2. Jacopo's reply https://lore.kernel.org/aeHd0G_JDaROMWDd@zed/
> > for v4l2_isp_buffer_size.
> >
> > However, that still leaves me with undefined struct v4l2_isp_block_type_info,
> > and lore couldn't help in locating the patch series that adds it :-(

This version is based on a preliminary version of the extensible
statistics. I can provide you the patches in case you're interested.

>
> As Jacopo have kindly pointed out to me in private, this work was based
> on an early version of [2] that was not published, but as I found [1] I
> thought it was.
>
> I will rebase this on [2] and address Jacopo's comments and repost.

Don't :)

Please re-base on:
https://patchwork.linuxtv.org/project/linux-media/list/?series=24772
which I sent yesterday instead.

If you're using b4 you can simply point the pre-requisites to this

change-id: 20260504-extensible-stats-f2d6befcc1ce

Thanks
j

>
> >
> > Where can I find it? Thanks!
> >
> > Gr{oetje,eeting}s,
> >
> > Geert
> >
> >
> > --
> > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
> >
> > In personal conversations with technical people, I call myself a hacker. But
> > when I'm talking to journalists I just say "programmer" or something like that.
> > -- Linus Torvalds
>
> --
> Kind Regards,
> Niklas Söderlund