Re: [PATCH v2 2/4] drm/panel: Add driver for DJN HX83112A LCD panel

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On Thu Jan 11, 2024 at 3:57 PM CET, Linus Walleij wrote:
> On Wed, Jan 10, 2024 at 4:14 PM Luca Weiss <luca.weiss@xxxxxxxxxxxxx> wrote:
>
> > Add support for the 2340x1080 LCD DJN panel bundled with a HX83112A
> > driver IC, as found on the Fairphone 4 smartphone.
> >
> > Signed-off-by: Luca Weiss <luca.weiss@xxxxxxxxxxxxx>
>
> This makes it sound like the Himax HX83112A is the driver IC.
>
> This does not seem to be the case:
> https://github.com/HimaxSoftware/HX83112_Android_Driver
>
> The driver IC seems to be a truly 5p65.

Hi Linus,

In some internal documentation it says "LCD Driver IC" "HX83112A" and I
don't see any reference to Truly 5P65 anywhere.

On their website they have this sentence:

  Himax offers display drivers for mobile handset displays that combine
  source driver, gate driver, timing controller, frame buffer, and DC to
  DC circuits into a single chip in various display technologies, such
  as TFT-LCD, LTPS, In-Cell Touch and AMOLED.

https://www.himax.com.tw/products/display-drivers/mobile-handset-applications/

While I'm not super well versed in panel driver ICs, this sounds like it
should be the one to take the name from?

Regards
Luca

>
> If this is right, could you rename the driver file to truly-5p65.c
> and all symbols containing hx83112 to truly_5965 or something
> that indicate the driver IC instead of the panel?
>
> My main concern is that the next display using the same IC
> need to find the right file to patch.
>
> Yours,
> Linus Walleij





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