[Nouveau] [Bug 35049] New: Cannot use higher resolutions of monitor

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=35049

           Summary: Cannot use higher resolutions of monitor
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: sancaktar.1 at osu.edu
         QAContact: xorg-team at lists.x.org


I did a fresh Debian install to sid, upgraded to experimental to get xorg
1.9.99.903 (1.10.0 RC 3) then followed the instructions on the nouveau wiki
(http://nouveau.freedesktop.org/wiki/DebianInstall) to build a new kernel and
drivers.  This was successful.  The problem is that I have a monitor which
supports up to 2560x1600 (which the monitor reports by EDID) but the drivers
will only run at 1280x800.  If I use xrandr to resize, I get a desktop that is
compressed to be equivalent to the larger size, but is actually 1280x800.  I
have tried adding a virtual line to my monitor section and setting the
preferredmode.  These did not help.  The Xorg log shows that it detects the
higher resolutions.  I tried booting the kernel with video=DVI-I-1:2560x1600. 
The kernel FB driver does exactly the same thing, making the text very small
but still actually outputting the lower resolution.  I originally thought that
this was a dual-link problem, but I don't think that 1280x800 is even the
maximum for a single DVI cable.  The propriety driver works at the higher
resolutions.

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