[Bug 20754] New: [RV730] Signal out of range at low resolutions with DVI

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=20754

           Summary: [RV730] Signal out of range at low resolutions with DVI
           Product: xorg
           Version: 7.3
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: best-before-31-12-2008 at gmx.net
         QAContact: xorg-team at lists.x.org


Created an attachment (id=24051)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=24051)
Xorg.0.log with repeated switches to 800x600 and back to 1280x1024.

When I switch to a resolution below 1024x768, the screen gets blanked and my
lcd reports that the incoming signal is out of range. This happens with all
radeon and radeonhd drivers which support my Radeon 4670 RV730XT, but only with
DVI output, VGA seems ok. It looks like the drivers calculate wrong modes but
strangely only at low resolutions. The Option "DefaultTMDSPLL" doesn't help,
neither enabled nor disabled.


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