linux-kernel - Re: [PATCH v4 3/3] drm/panel-fannal-c3004: Add fannal c3004 DSI panel

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Message-ID: <CAO9szn3oTzrrwiyr91H14ep7OPUkA-SDST3CSQAQHvFFnkJWfA@mail.gmail.com>
Date:   Thu, 6 Jul 2023 17:18:17 +0200
From:   Paulo Pavacic <pavacic.p@...il.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Jagan Teki <jagan@...rulasolutions.com>,
        Marek Vasut <marex@...x.de>,
        Maya Matuszczyk <maccraft123mc@...il.com>,
        neil.armstrong@...aro.org, sam@...nborg.org, airlied@...il.com,
        daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH v4 3/3] drm/panel-fannal-c3004: Add fannal c3004 DSI panel

Hello Linus,

čet, 22. lip 2023. u 10:22 Linus Walleij <linus.walleij@...aro.org> napisao je:
>
> On Wed, Jun 21, 2023 at 5:09 PM Paulo Pavacic <pavacic.p@...il.com> wrote:
>
> > A lot of modifications to st7701 are required. I believe it would
> > result in a driver that doesn't look or work the same. e.g compare
> > delays between initialization sequences of panel-fannal-c3004 and
> > panel-st7701. I think it would be optimal to create st7701s driver and
> > have special handling for st7701s panels. If there was a flag for
> > whether panel is st7701 or st7701s it would end up looking like a
> > mess.
>
> What matters is if the original authors of the old st7701 driver are
> around and reviewing and testing patches at all. What we need is
> active maintainers. (Added Jagan, Marek & Maya).
>
> I buy the reasoning that the st7701s is perhaps substantially different
> from st7701.
>
> If st7701s is very different then I suppose it needs a separate driver,
> then all we need to to name the driver properly, i.e.
> panel-sitronix-st7701s.c.

I had in person talk with Paul Kocialkowski and I have concluded that
this is the best solution.
I believe I should rename it to st7701s due to the hardware changes. I
would like to create V5 patch with driver renamed to st7701s.
Please let me know if you agree / disagree.

>
> Yours,
> Linus Walleij

Thank you for your time,
Paulo Pavačić