linux-kernel - Re: [PATCH v5 6/8] drm/panel: Add ilitek ili9341 panel driver

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Message-ID: <c085e8f5-f626-28a9-1d3f-a1c277ec5052@tronnes.org>
Date:   Tue, 26 May 2020 12:38:00 +0200
From:   Noralf Trønnes <noralf@...nnes.org>
To:     dillon min <dillon.minfei@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        linux-stm32@...md-mailman.stormreply.com,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-clk <linux-clk@...r.kernel.org>,
        Sam Ravnborg <sam@...nborg.org>
Subject: Re: [PATCH v5 6/8] drm/panel: Add ilitek ili9341 panel driver



Den 26.05.2020 11.08, skrev dillon min:
> Hi Andy,
> 
> Thanks for input.
> 
> On Tue, May 26, 2020 at 3:46 PM Andy Shevchenko
> <andy.shevchenko@...il.com> wrote:
>>
>> On Mon, May 25, 2020 at 6:46 AM <dillon.minfei@...il.com> wrote:
>>>
>>> From: dillon min <dillon.minfei@...il.com>
>>>
>>>     This driver combine tiny/ili9341.c mipi_dbi_interface driver
>>>     with mipi_dpi_interface driver, can support ili9341 with serial
>>>     mode or parallel rgb interface mode by register configuration.
>>
>> Noralf told once that this driver should be unified with mi0283qt.c.
>>
>> So, what should we do here?
>>
>> --
>> With Best Regards,
>> Andy Shevchenko
> 
> from sam's suggestion, we can't setup two drivers to support one panel
> in the tree. so, i copy the mipi dbi part from tiny/ili9341.c. to this driver
> from register settings and dts binding is keep the same to tiny/ili9341.c.
> 
> so, in my opinion if tiny/ili9341.c is unified with mi0283qt.c, this
> driver should be
> too.
> 

There's a discussion about MIPI DBI panels here:

MIPI DSI, DBI, and tinydrm drivers
https://lists.freedesktop.org/archives/dri-devel/2020-May/267031.html

Noralf.

> thanks.
> 
> best regards,
> 
> Dillon,
>