Nouveau - Aug 2008 - [Bug 17149] New: Backlight is reduced on LVDS when an external vga monitor is connected

http://bugs.freedesktop.org/show_bug.cgi?id=17149

           Summary: Backlight is reduced on LVDS when an external vga
                    monitor is connected
           Product: xorg
           Version: 7.3
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: low
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: fboudra at free.fr
         QAContact: xorg-team at lists.x.org


Backlight is reduced on LVDS when an external vga monitor is connected.
Using a toshiba laptop with GeForce 7600 Go.

xbacklight and xgamma don't work, they do nothing. I guess it's another
issue:
https://bugs.freedesktop.org/show_bug.cgi?id=12723

For informations, I have the same issue with nvidia driver:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=+%0D%0A475651


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http://bugs.freedesktop.org/show_bug.cgi?id=17149





--- Comment #1 from Fathi Boudra <fboudra at free.fr>  2008-08-15 05:08:48
PST ---
It's related to kernel. Since I have updated kernel from 2.6.25 to 2.6.26,
backlight is normal.


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http://bugs.freedesktop.org/show_bug.cgi?id=17149


Stuart Bennett <sb476 at cam.ac.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |NOTOURBUG




--- Comment #2 from Stuart Bennett <sb476 at cam.ac.uk>  2009-01-13
16:07:50 PST ---
As noted this is a kernel, not driver, problem


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