RE: [PATCH 4/6] OMAP: LDP: Port the display driver to new DSS2

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On Thu, 2011-05-12 at 20:20 +0530, Janorkar, Mayuresh wrote:
> 
> > -----Original Message-----
> > From: Valkeinen, Tomi
> > Sent: Thursday, May 12, 2011 8:17 PM
> > To: Janorkar, Mayuresh
> > Cc: Igor Grinberg; linux-omap@xxxxxxxxxxxxxxx; Stanley Miao
> > Subject: RE: [PATCH 4/6] OMAP: LDP: Port the display driver to new DSS2
> > 
> > On Thu, 2011-05-12 at 20:06 +0530, Janorkar, Mayuresh wrote:
> > > > -----Original Message-----
> > > > From: Valkeinen, Tomi
> > > > Sent: Thursday, May 12, 2011 5:18 PM
> > > > To: Igor Grinberg
> > > > Cc: Janorkar, Mayuresh; tony@xxxxxxxxxxx; linux-omap@xxxxxxxxxxxxxxx;
> > > > Stanley Miao
> > > > Subject: Re: [PATCH 4/6] OMAP: LDP: Port the display driver to new
> > DSS2
> > > >
> > > > On Thu, 2011-05-12 at 14:20 +0300, Igor Grinberg wrote:
> > > >
> > > > > Right. Do both fixes make it work?
> > > > >
> > > > > If it is, then Tomi,
> > > > > will you add both fixes to the patch set with our SOBs?
> > > > > or do you want this to be sent properly as a follow up?
> > > >
> > > > Yes, I can add these all to the same patch and handle it through DSS
> > > > tree. Although due to the reluctance to make changes to
> > arch/arm/*omap*,
> > > > I guess we'll pass these patches in this merge window.
> > > >
> > > > Mayuresh, if you're able to test this and it works, can you send me
> > the
> > > > full diff so that I don't make any mistakes combining the code?
> > > >
> > > >  Tomi
> > > >
> > >
> > > Please find the patch below.
> > > I have also attached the same.
> > >
> > > There are formatting problems with this patch. But this can be used as a
> > reference.
> > >
> > > I have verified bootup with Penguins on LDP board.
> > 
> > Why did you create a new panel for LDP? The generic panel driver should
> > handle it well enough.
> > 
> > The attached panel driver is also quite messed up. It does things that
> > belong to the board file, and the timings are a bit high, giving refresh
> > rate of 120MHz. Does LDP have a 120MHz panel?
> 
> You can use that code as reference and not as a patch.
> Please take a look at changes in board file.
> There is no need to create a new panel. It can be added as a part of generic panel.

Well, the board file is also rather messed up. The board file is using
gpios that are not reserved anywhere, it's missing Igor's TWL GPIO setup
code, the panel driver requests some of the GPIOs but doesn't check
error values, so we don't know if it succeeds or not. etc.

So the patch doesn't tell us much even if LDP display seems to work with
it.

But I'll try to cook up with a proper patch at some point.

 Tomi


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