From: Jagan Teki <jagan@edgeble.ai>
To: Dave Stevenson <dave.stevenson@raspberrypi.com>
Cc: devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
Rob Herring <robh+dt@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH v2 4/4] drm: panel: Add Jadard JD9365DA-H3 DSI panel
Date: Tue, 13 Sep 2022 00:50:56 +0530 [thread overview]
Message-ID: <CA+VMnFwTFbisCJOB_9XcwT_xxnyxNjeqNX5cyMHmviWtpZ6T3g@mail.gmail.com> (raw)
In-Reply-To: <CAPY8ntARtgRT_kYbS-zw9kAuc16Qy49UF+y2H1143s_2=cnmYg@mail.gmail.com>
Hi Dave,
On Thu, 8 Sept 2022 at 20:33, Dave Stevenson
<dave.stevenson@raspberrypi.com> wrote:
>
> Hi Jagan
>
> On Thu, 8 Sept 2022 at 15:00, Jagan Teki <jagan@edgeble.ai> wrote:
> >
> > Jadard JD9365DA-H3 is WUXGA MIPI DSI panel and it support TFT
> > dot matrix LCD with 800RGBx1280 dots at maximum.
Look like I wrapped the wrong text, maybe this copy came from vendor
code. Yes, the datasheet mentioned this as WXGA resolution.
Thanks for this. I will correct it.
>
> Sorry, I'm confused by this commit text.
>
> WUXGA is normally defined as 1920x1200.
> So the panel is 1920x1200, but it supports a max of 800x1280 pixels?
> What do the other pixels do then?
>
> Google implies that Jadard JD9365DA-H3 is a driver IC, not a panel. So
> is this driver for all JD9365DA-H3 based panels, not just one panel?
> Having a compatible of "chongzhou,cz101b4001" implies it.
> (Thinking about it, I have a JD9365Z based DSI panel on my desk, but
> the JD9365Z is made by Fitipower and it supports a max resolution of
> 720x1280. Those trailing letters are obviously very significant on
> this range)
Yes, chongzhou,cz101b4001 panel which used JD9365DA-H3 controller IC.
Though JD9365DA-H3 itself is not a direct panel, we usually denote
controller IC as panel driver as these are part of Linux DRM panel and
as its own compatible "jadard,jd9365da-h3"
Thanks,
Jagan.
next prev parent reply other threads:[~2022-09-12 19:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220908135940.299324-1-jagan@edgeble.ai>
2022-09-08 13:59 ` [PATCH v2 3/4] dt-bindings: display: Document Jadard JD9365DA-H3 DSI panel Jagan Teki
2022-09-08 14:06 ` Krzysztof Kozlowski
2022-09-08 13:59 ` [PATCH v2 4/4] drm: panel: Add " Jagan Teki
2022-09-08 15:03 ` Dave Stevenson
2022-09-12 19:20 ` Jagan Teki [this message]
2022-09-13 13:41 ` Linus Walleij
2022-09-13 14:07 ` Jagan Teki
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