[Bug 19323] PAL Interlaced mode showing only top half desktop for HD3200 ( IGP on GA-MA78GM-S2H)

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=19323


Richard van den Toorn <richard at vdtoorn.nl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |richard at vdtoorn.nl
             Status|RESOLVED                    |VERIFIED




--- Comment #14 from Richard van den Toorn <richard at vdtoorn.nl>  2009-02-09 12:15:52 PST ---
Thank you, thank you, thank you.

I've verified the fix using the patch from Mike Pieper (2009-01-16 23:10:37)
and from the mainstream as reported (and fixed) by Alex. I used the a download
from the latest commit (04859362ce64ed4ae48305a83c92059899c1db4b). For the
record, I didn't have the X1250 gpu, but the HD3200 which is onboard of the
780G motherboards.

Besides fixing the interlace bug, this also fixes a different bug which I
didn't report. Somehow after killing the X-server and restarting with the cable
still connected, the X-server didn't pickup the correct modeline and started in
a 800x600 resolution which didn't sync on my TV. Now it does, so I have to make
a big compliment to the guys doing the hard work here.

It's too bad the there so much flicker on a 50Hz television, otherwise it would
really be a good way to connect such a set to your computer. Overscan in all
directions can be handled quite well by adjusting the modelines.

As for the followup concerning the composite sync output. I couldn't get
composite sync to work using the +composite flags in xorg.conf. I measured the
signal using an oscilloscope and there wasn't any significant difference.
Although on a dutch site (gathering.tweakers.net), I've read that some people
were able to get this working in PowerStrip so I guess the hardware is still
capable of generating composite sync on the hsync pin. 

@Paul Gardiner: Can you open another bug for that? I've set this bug to
verified. 


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