linux-kernel - Re: [RFC PATCH v6 02/11] media: v4l2: Extend pixel formats to unify single/multi-planar handling (and more)

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Date:   Mon, 7 Nov 2022 08:50:41 -0800
From:   Fritz Koenig <frkoenig@...omium.org>
To:     Dmitry Osipenko <dmitry.osipenko@...labora.com>
Cc:     Hsia-Jun Li <Randy.Li@...aptics.com>,
        Helen Koike <helen.koike@...labora.com>, mchehab@...nel.org,
        hans.verkuil@...co.com, laurent.pinchart@...asonboard.com,
        sakari.ailus@....fi, boris.brezillon@...labora.com,
        hiroh@...omium.org, nicolas@...fresne.ca, Brian.Starkey@....com,
        kernel@...labora.com, narmstrong@...libre.com,
        linux-kernel@...r.kernel.org, frkoenig@...omium.org,
        stanimir.varbanov@...aro.org, tfiga@...omium.org,
        Hans Verkuil <hverkuil@...all.nl>, linux-media@...r.kernel.org
Subject: Re: [RFC PATCH v6 02/11] media: v4l2: Extend pixel formats to unify
 single/multi-planar handling (and more)

On Sun, Nov 6, 2022 at 2:11 PM Dmitry Osipenko
<dmitry.osipenko@...labora.com> wrote:
>
> On 11/5/22 18:19, Hsia-Jun Li wrote:
> > Hello Helen
> >
> > I didn't see any updates from V6 and V7-WIP in your repo. That is what I
> > need to for our complex tile formats in our platform.
> >
> > Any future plane here?
> >
> > Besides I have some ideas on these patches.
>
> I was looking into updating this patchset few months ago and the biggest
> blocker was the absence of immediate upstream user for this new UAPI.
> What your platform is? Is the driver stack completely opensource?
>
ChromeOS had interest in this for enabling UBWC for the venus driver.
We have a workaround at the moment, but would be interested.  So not
immediate need, but would hopefully be a user at some point.

-Fritz
> --
> Best regards,
> Dmitry
>