i810/intel, SDVO, and "fuzzy" modes

[Alan Hourihane]

On Fri, 2006-10-20 at 08:37 +0100, Alan Hourihane wrote:
> On Thu, 2006-10-19 at 20:25 -0700, Jeffrey W. Baker wrote:
> > Can someone on the Intel team comment on why the SDVO cards generate
> > "fuzzy" modes.  Thanks to other members of this list I finally have a
> > working 1920x1200 digital mode on my G965, and it's amazingly bad.  At
> > 1600x1200 analog the picture is perfectly crisp.  But at either
> > 1600x1200 or 1920x1200 digital, it's appalling.  There's no way this is
> > working correctly.  Somewhere along the line, some piece of hardware is
> > resampling the picture.
> > 
> > I know it's hard to tell from a photograph, but this one is high
> > resolution and you can see the individual grid lines on my monitor.
> > Note how what are supposed to be 1px sharp lines take up 2px.
> > 
> > http://tastic.brillig.org/~jwb/fuzzy.png
> > http://tastic.brillig.org/~jwb/clear.png
> > 
> > By the way, the monitor reports 1920x1200 74.2kHz/60Hz.
> > 
> > Any hints?  This whole SDVO thing is really quite mysterious to us mere
> > users.
> 
> Someone has opened a bug about this...
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=8706
> 
> And on that basis, you may want to checkout the modesetting branch to
> see if that makes any differences.

Ah, just saw that Eric mentioned that 965 isn't supported there yet. So
we'll have to wait a little longer.

Alan.