On Tue, Nov 1, 2016 at 12:36 PM, Gerd Hoffmann <[email protected]> wrote:
>   Hi,
>
>> > from a survey of my Samsung Smart TV automatic option is disabled!!! but in
>
>> So Raspbian uses a completely different kernel and driver stack, most
>> of the options documented in config.txt are completely irrelevant for
>> the new driver stack (nothing to do with the Fedora side of things).
>> The auto adjustment in the screen settings has worked every single
>> time for me, why can't you use this?
>
> Same problem here.  Have configured overscan in config.txt[1].  That
> works with the downstream kernel (and the BCM2708 fb driver).  But as
> you outlined already everything else (uboot, simplefb, vc4) ignores the
> config.txt settings and I also havn't found any other way to configure
> overscan.
>
> I have a samsung tv too, with one of my rpi2's connected.  Walked
> through the tv menus playing with the settings, but couldn't make things
> work properly.
>
> So, no easy way out it seems?

Not off hand, sadly we seem to be having the early adopters problem on
a 4.5 year old device :-/

It's a pity all the EDID and similarly related monitor detection stuff
wasn't shared across drivers in a central location. Going from a
closed driver with a forked kernel we've never supported to a fully
open upstream doesn't give us a lot of room. I'm not a graphics
developer, nor really a kernel developers, so we're at a combination
mercy of upstream and not even the ability to dig into the
driver/firmware to workout what the other driver does.

Open to suggestions but I've pulled in all the upstream fixes I'm aware of.

Peter
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