monitor timings for a 1998 mfg TV?
From: Wiseguy (noone_at_uber.usachoice.net)
Date: 22 Apr 2005 14:14:50 -0500
I have a gateway laptop with a 1280x1024 lcd display and the video
controller is an ATI with a composite video out connector.
the laptop contains linux 2.4.29 and the vesafb kernel module running
the TV is a Sony KV-20S40 model.
XFree is 4.4.0
I can use the TV in text mode and even play mplayer AVI files
up to 640x480 using the vesafb kernel module (although slowly!).
But...I simply cannot come up with a monitor or modeline section to
correctly drive the TV under Xfree..
In most cases I get terrible flipping, diagonal skewing, and overlapping.
I've tried all kinds of GTF calculated timing rates from 20 to 70 hz and
played with interlace and different polarity for the sync but the BEST
I can get is at 800x600@60 I get a partial screen with no flipping but
REALLY jagged edges and massive diagonal skewing of the on-screen widgets
like the memory mapping offset between rows isn't right.
The Xfree driver I'm using is the non-accelerated ati driver.
Sony's website seems about as useful as panther crap in getting information
about the frequency ranges the TV will support
There are no hardware problems because like I mentioned the TV output
works in text mode or when using mplayer in vesafb mode. just XFree
is giving me headaches. win-doze dual view also works.
anyone have any references to appropriate video timing solutions? or if
this is an issue with the LCD laptop and Xfree I need to know.
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