[Bug 16374] Screen blanks when using DVI at 1920x1200 with an X1300 ( PCI ID 1002:7187)

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=16374





--- Comment #17 from Michael Stein <der.stein at gmx.de>  2009-02-09 00:40:30 PST ---
I solved the problem. But it is long time ago and I forgot the commands. (Than
my brother gave me a nvidia-card - this was the final resolution...)

So ati:
The Problem was that the radeon-driver detects the maximum refresh-rate of the
display which something like 150Mhz. The graphiccard can't run this frequency
at the resolution 1920x1200.
So, I installed the ati-driver. He knows more about the card-specs and I
figured out the working refresh-rate with xrandr.

I finished with:
Section "Monitor"
        Identifier      "Configured Monitor"
        Vendorname      "Generic LCD Display"
        Modelname       "LCD Panel 1920x1200"
        Horizsync       30-83
        Vertrefresh     56.0 - 76.0
        modeline  "1920x1200 at 60" 138.2 1920 1968 2000 2080  1200 1203 1209 1235
+hsync -vsync
EndSection

Section "Device"
        Identifier      "Configured Video Device"
        Boardname       "ATI Radeon (vesa)"
        Vendorname      "ATI"
        Driver  "radeon"
        Option "UseModeline" "1"
        Option     "IgnoreEDID" "on"
        Option "PanelSize" "1920x1200"
        Option "PreferredMode" "1920x1200 at 60"
        Option "DDCMode" "on"
        Option "DynamicClocks" "on"
EndSection


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