xf86-video-intel 2.0.0 and DVI

Keith Packard keithp at keithp.com
Tue May 29 10:13:55 PDT 2007

On Tue, 2007-05-29 at 23:32 +1000, Hamish Moffatt wrote:

> (II) intel(0): Modeline "1280x1024"x75.0  135.00  1280 1328 1440 1688  1024 1025 1028 1066 +hsync +vsync (80.0 kHz)
> (II) intel(0): Modeline "1280x1024"x75.0  135.00  1280 1296 1440 1688  1024 1025 1028 1066 +hsync +vsync (80.0 kHz)

Not quite identical; as you can see, the hsync start timing is earlier
in the second mode. You wouldn't think this would matter, would you. The
second one is the VESA standard timing for this mode, the first appears
to be an EDID-specified mode.

Please use xrandr --verbose to see which of these two modes actually
works; if the EDID mode works, then there's a bug in the mode preference
code. If the VESA mode works, your EDID data is buggy and we can add a
quirk to the server to repair it automatically.

For now, you can add the working mode to your config file and it will be
used in preference to either EDID or built-in VESA modes. Give it a
unique name to ensure the server matches that.

And, yes, the 'modes' list in the config will likely be ignored; use 

  Option "PreferredMode" "MyWorkingMode"

in the appropriate Monitor section to control the starting mode.

keith.packard at intel.com
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