GTA02 u-boot and kernel status
Dodji Seketeli
dodji at openedhand.com
Thu Mar 6 12:18:30 CET 2008
On Wed, 5 Mar 2008 10:23:55 +0800,
"Werner Almesberger" <werner at openmoko.org> wrote :
> Wolfgang Spraul wrote:
> > change screen to landscape. You see it immediately. Some colors
> > show it more than others, the old orange showed it the most.
>
> Oh, that one. I recall that the issue is that changing the rotation
> changes the LCM timing, and that no timing parameters could be found
> that would yield a stable image and not break something else.
>
> Was it Dodji who implemented this ? He should have more details.
Yeah, that is right. When in landscape, keeping the same pixelclock
frequency as in portrait shows artifacts on the screen. Olv and I think
that it is a glamo bug. The only way we found around this is to lower
the pixel clock when in portrait, but that introduces flickering ...
The bug was
http://bugzilla.openmoko.org/cgi-bin/bugzilla/show_bug.cgi?id=1067
Cheers,
Dodji.
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