[Bug 21643] New: DVI-1 connector doesn't work; Radeon HD 3470

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat May 9 07:43:38 PDT 2009


http://bugs.freedesktop.org/show_bug.cgi?id=21643

           Summary: DVI-1 connector doesn't work; Radeon HD 3470
           Product: xorg
           Version: 7.4
          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: freedesktop at juch.cc
         QAContact: xorg-team at lists.x.org


The DVI-1 connector doesn't work with the following PCI-E card (Sapphire HD
3470, passively cooled) and the current radeon driver from git:

01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3470

The card has two DVI connectors. xrandr output says that the DVI-1 output
should be working, when I take a screenshot, it has the correct dimensions.

Screen 0: minimum 320 x 200, current 2960 x 1050, maximum 2960 x 1050
DVI-1 connected 1280x1024+1680+0 (normal left inverted right x axis y axis)
338mm x 270mm
   1280x1024      60.0*+   75.0     72.0     60.0* 
   1152x864       75.0  
   1024x768       75.0     70.1     60.0  
   832x624        74.6  
   800x600        72.2     75.0     60.3  
   640x480        75.0     72.8     66.7     59.9  
   720x400        70.1  
   640x350        70.1  
DVI-0 connected 1680x1050+0+0 (normal left inverted right x axis y axis) 474mm
x 296mm
   1680x1050      59.9*+
   1280x1024      75.0     60.0  
   1440x900       75.0     59.9  
   1280x960       60.0  
   1280x800       74.9     59.9  
   1152x864       75.0  
   1152x720       60.0  
   1024x768       75.0     60.0  
   832x624        74.6  
   800x600        75.0     60.3  
   640x480        75.0     59.9  
   720x400        70.1  

At Xorg startup the monitor connected to DVI-1 seems to be initialized because
the monitor wakes up from standby, but immediately displays "No signal
detected" and goes to standby again.

When I swap the connected DVI cables, the other monitor works (in fact only the
monitor connected to DVI-0 works), so no hardware defect. I previously used
this setup successfully with fglrx and radeonhd.

The problem seems not to be related to DPMS ('sleep 5; xset dpms force off'
doesn't help).

Xorg log and config are attached.

Best regards,
Andreas


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