On 27 May 2007, at 11:48, JJussi wrote:
Is this something like screen is updated at wrong point (of time),
syncing
issue? Why screen is not updated progressive just before drawing..
Or is it
so that video card don't know when TV is drawing the picture?!?
The technical term is "tearing". You get this when the screen is
updated out of sync with the vertical retrace. This often happens on
cheap LCD screens if the gfx card outputs a frequency not native to
the LCD panel. Try different refresh rates, 50, 56, 60, 66 and 70Hz.
Most likely the LCD screen runs at either 56 or 60Hz.
If you still see such problems even with the gfx card outputting the
correct frequency, then you need to turn on sync on vertical retrace
for your gfx hardware in xorg.conf.
--
Torgeir Veimo
torgeir@xxxxxxxxx
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