[Bug 11169] New: ati randr-1.2 comes up with wrong initial dimensions

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=11169

           Summary: ati randr-1.2 comes up with wrong initial dimensions
           Product: xorg
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: dag at bakke.com
         QAContact: xorg-team at lists.x.org


I have Xorg with all the latest released bits as of today + the randr 1.2
branch of the radeon driver up to and including commit
2d40fa55e8d7a1cfb204d66ca4a4d95a3b13d5b5.
"radeon: disable irqs at server start until 3D app starts"

On startup, the card runs my Dell Inspiron 8200 at 1024x768, while the native
dimensions of the built-in panel is 1600x1200. I have no entries in xorg.conf
which explains this. xrandr with this driver says:

 Screen 0: minimum 320 x 200, current 1024 x 768, maximum 2708 x 1152
VGA disconnected (normal left inverted right)
LVDS connected 1024x768+0+0 (normal left inverted right) 0mm x 0mm
   1600x1200      60.6 +
   1024x768       60.0* 
   800x600        60.3  
   640x480        59.9  


Also note the alleged maximum.

'xrandr -s 1600x1200' sets it right, but the resolution (as reported by
xdpyinfo) jumps from 96x96 to 150x151 dpi. 
This is a 15" panel. Is DPI for LCDs calculated as simple as 
(number of horizontal pixels)/(physical width)?


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