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

Niklas Söderlund
2026-05-06T12:29:57Z

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 :-(

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.

>
> 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