[PATCH v1] drm/panel: simple: add SGD GKTW70SDAD1SD

Oliver Graute oliver.graute at gmail.com
Sun Jan 10 20:06:06 UTC 2021


On 10/01/21, Fabio Estevam wrote:
> Hi Oliver,
> 
> On Sun, Jan 10, 2021 at 12:35 PM Oliver Graute <oliver.graute at gmail.com> wrote:
> 
> > the first two errors are gone. But I still get this:
> >
> > [   42.387107] mxsfb 21c8000.lcdif: Cannot connect bridge: -517
> >
> > The panel is still off perhaps I miss something else.
> 
> Some suggestions:
> 
> - Take a look at arch/arm/boot/dts/imx6ul-14x14-evk.dtsi as a
> reference as it has display functional
> - Use imx_v6_v7_defconfig to make sure all the required drivers are selected

ok I checked imx6ul-14x14-evk.dtsi and use imx_v6_v7_defconfig

> - If it still does not work, share the dts and schematics

here the schematics and my dts. The board is using a LVDS connector for
the display.

https://www.variscite.de/wp-content/uploads/2017/12/VAR-6ULCustomboard-Schematics.pdf
https://lore.kernel.org/linux-arm-kernel/1610144511-19018-3-git-send-email-oliver.graute@gmail.com/

Thx for your help,

Best Regards,

Oliver


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