Re: The Current status of DSS drivers

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On Thu, Jan 17, 2008 at 06:25:31PM +0530, Trilok Soni wrote:
> Hi Felipe,
> 
> On Jan 17, 2008 4:41 PM, Felipe Balbi <me@xxxxxxxxxxxxxxx> wrote:
> > hi Trilok,
> >
> > On Thu, 17 Jan 2008 11:12:25 +0530, "Trilok Soni" <soni.trilok@xxxxxxxxx>
> > wrote:
> >
> > > Hi Arun,
> > >
> > > On Jan 17, 2008 11:05 AM, Arun C <arunedarath@xxxxxxxxxxxxxxxxxxxx>
> > wrote:
> > >>
> > >> Hi all,
> > >>
> > >> I am working on omap2430sdp. I downloaded the latest kernel from git.
> > >>
> > >> I did not find support for video(v4l2) and tvout drivers in git, the
> > >> display library (display.c) is also absent.
> > >>
> > >> I could find the support for Video and tvout drivers in the kernel
> > >> from TI site (linux-2.6.14-omap2-v4).
> > >>
> > >> Can anybody please tell me the current status of DSS drivers in git.
> > >> Why the drivers are not there in git? Whether anybody is working on
> > >> that?
> > >
> > > No one I know of. There was a proposal long back from Said Khasim to
> > > integrate those functionality into current fwk of fb drivers. The
> > > current git kernel may not like
> > > the approach of tvout through v4l2. You may have to add that support
> > > through fb layer.
> >
> > could you explain this better? why tvout driver should come into fb layer
> > besides v4l2?
> >
> > thanks in advance
> >
> 
> Because what I understand from current fb layer implementation for
> layer 0, layer 1 and 2 (with
> color conversion, colorkey etc caps) is that all the code is written
> in fb layer to expose all omap2
> display controller functionality.
> 
> So, if we want to go for putting this layer0/1/2 on TV through tv-out
> capability using v4l2, then we need to have
> this dispc capability code in common library (like how TI has done)
> and fb plus vl42 code should use it.
> 
> I am sure Imre Deak will have better suggestions, as repeated attempt
> of adding these functionality through v4l2
> from Khasim and Komal didn't reach any conclusions.

aha, gotcha.
thanks for the explanation ;-)

> 
> -- 
> --Trilok Soni
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-- 
Best Regards,

Felipe Balbi
me@xxxxxxxxxxxxxxx
http://blog.felipebalbi.com
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