[Bug 20814] New: R4xxATOM on Radeon Mobility X700 makes LVDS and CRT show the same content in the LVDS native mode

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=20814

           Summary: R4xxATOM on Radeon Mobility X700 makes LVDS and CRT show
                    the same content in the LVDS native mode
           Product: xorg
           Version: unspecified
          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: chithanh at cs.tu-berlin.de
         QAContact: xorg-team at lists.x.org


Spin-off from bug 13533 comment 24

Using xf86-video-ati 6.12.1 and a Radeon Mobility X700 (rv410), if I enable
R4xxATOM then the LVDS and VGA-0 will always show the same content, and the CRT
will always be driven at 1280x800 resolution (the LVDS native mode). Setting
other modes in xrandr has no effect.

If I change the monitor layout eg. with xrandr --output VGA-0 --right-of LVDS
then both displays show what LVDS should show.


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