linux-kernel - Re: [PATCH v1] drm/panel: simple: add SGD GKTW70SDAD1SD

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Date:   Sun, 10 Jan 2021 16:35:32 +0100
From:   Oliver Graute <oliver.graute@...il.com>
To:     Fabio Estevam <festevam@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        Marco Felsch <m.felsch@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        DRI mailing list <dri-devel@...ts.freedesktop.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1] drm/panel: simple: add SGD GKTW70SDAD1SD

On 09/01/21, Fabio Estevam wrote:
> Hi Oliver,
> 
> On Fri, Jan 8, 2021 at 7:24 PM Oliver Graute <oliver.graute@...il.com> wrote:
> >
> > On 19/12/20, Oliver Graute wrote:
> > > Add support for the Solomon Goldentek Display Model: GKTW70SDAD1SD
> > > to panel-simple.
> > >
> > > The panel spec from Variscite can be found at:
> > > https://www.variscite.com/wp-content/uploads/2017/12/VLCD-CAP-GLD-RGB.pdf
> >
> > some clue what bus_format and bus_flags I have to use?
> >
> > [   42.505156] panel-simple panel-lcd: Specify missing bus_flags
> > [   42.511090] panel-simple panel-lcd: Specify missing bus_format
> > [   42.615131] mxsfb 21c8000.lcdif: Cannot connect bridge: -517
> 
> Does this patch work?
> https://pastebin.com/raw/diTMVsh8

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. 

Best Regards,

Oliver