[Bug 12567] New: External display gows blank when lid opened on R52

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12567

           Summary: External display gows blank when lid opened on R52
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: gemkow at ikr.uni-stuttgart.de
         QAContact: xorg-team at lists.x.org


(Unfortunately another scenario with lid open/close which does not
work, this time an R52)

We have some TP R52 with Radeon X300 (M22) PCIE and the following
scenario does not work:

When booted with lid closed, the external display works ok
(both DVI and VGA). When opening the lid after X is started,
the external display goes blank and the internal display
remains blank.

_Sometimes_ it is possible to make both displays work again
with according xrandr commands, in most cases only a reboot
helps.

Maybe this is somehow related to the similar bug for R51
but the screen-off of the external display is new here.

We have no ACPI-methods active so this results solely from
the driver.

We are using git from yesterday.


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