Ubuntu
xserver-xorg-video-ati package

  1. Bug #144322
  2. Comment #112

Comment 112 for bug 144322

Revision history for this message
In , Andy (andy-redhat-bugs) wrote :

Description of problem:

After upgrading from F7 to F8 my 50Hz PAL RGB interlace mode was broken (similar
problems also noted in ubuntu bugzilla and xorg bugzilla) the actual output was
the even rows of top half of the screen, followed a spurious vsync pulse halfway
down the screen, followed by the even rows of the top half of the screen.

Version-Release number of selected component (if applicable):

xorg-x11-drv-ati-6.8.0-1.fc8

How reproducible:

100%

After if some delving into the CRTC register values I decided to try doubling
the vertical values, this seems to work nicely, I've made it conditional on the
interlace flag, probably similar fix needed for CRTC2.