[Bug 30686] xf86-video-ati-6.13.2 scrambles 2560x1600 dual link DVI video on Radeon HD 4670

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=30686

--- Comment #7 from Adam J. Richter <adam_richter2004 at yahoo.com> 2010-10-07 14:09:36 PDT ---
Created an attachment (id=39269)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39269)
Xorg xf86-video-ati-6.13.2 user mode setting 2560x1600 scrambling Xorg.0.log
file

Here is a log of the X server with xf86-video-ati-6.13.2 + user mode setting
scrambling the output when the video mode is set to 2560x1600.  The server
initially drives the 2560x1600 monitor at 1920x1200, which produces good video.
 Then doing something like "xrandr --output DVI-1 --mode 2560x1600" results in
a the left half of the screen being completely scrambled and the right side
being rather blurry, as if perhaps every other pixel had been transposed.

Also, thanks for the advice about getting the X server to work under KMS.  I
will look into it.

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