Re: [PATCH v2 2/3] drm/panel: add support for EDT panels

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Am Donnerstag, den 15.05.2014, 11:12 +0200 schrieb Thierry Reding:
> On Thu, May 15, 2014 at 10:24:39AM +0200, Stefan Agner wrote:
> > Hi Thierry, hi Philipp,
> > 
> > Am 2014-05-15 09:51, schrieb Thierry Reding:
> > > On Wed, May 14, 2014 at 11:45:57PM +0200, stefan@xxxxxxxx wrote:
> > >> From: Stefan Agner <stefan@xxxxxxxx>
> > >>
> > >> This panels are sold by Toradex for Colibri T20/T30 and Apalis T30
> > >> evaluation kits.
> > >>
> > >> Signed-off-by: Stefan Agner <stefan@xxxxxxxx>
> > > 
> > > Panel patches should go to the dri-devel mailing list as well.
> > > 
> > > Also a patch was posted only yesterday for a panel that seems to be the
> > > exact same one as this, even though the name differs minimally, see:
> > > 
> > > 	https://patchwork.kernel.org/patch/4175251/
> > > 
> > > Adding Philipp on Cc so you guys can work together whether this is
> > > indeed the same panel. The only differences seem to be in the vertical
> > > front and back porches, but I suspect that either settings will work on
> > > both Tegra and i.MX.
> > 
> > Its etm0700g0dh6 vs. et070080dh6, Philipp's panel is with captive multi
> > touch, (hence the M I guess). The panel itself really looks the same.
> > 
> > I found this overview of EDT displays:
> > http://www.dmbtechnics.com/scripts/passthru.php?id=7
> > 
> > There seem to be quite a lot variants with the same panel...
> > 
> > Regarding timings, I just checked the documentation, Philipp's timing
> > really matches the documented ones, I miscalculated the vertical back
> > porch.
> 
> Okay, so that means that the panel works for you with the same timings
> that Philipp has in the ETM0700G0DH6 patch? If so then I definitely
> think we should be sharing the timings in the driver by making the two
> compatible entries point to the same driver data.
> 
> > How do we resolve that?
> > 
> > I would suggest that I split out that patch and remove the et070080dh6
> > panel and send the other as a single patch to the dri-devel mailing list
> > as well.
> 
> Yes, that would work.
> 
> > Philipp, could you add my display type (et070080dh6) to the compatible
> > list of your mode/panel entry?
> 
> I also noticed that Philipp's patch doesn't actually introduce the
> device tree bindings, so that will have to be added as well.

Hmm, yes. Should I take over the edt,et070080dh6.txt from Stefan's
series and repost all, or can I just hand in the missing
edt,etm0700g0dh6.txt separately?

regards
Philipp

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