[Bug 22644] New: [X700] Radeon driver fails to identify LVDS panel

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=22644

           Summary: [X700] Radeon driver fails to identify LVDS panel
           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: kenlewis at typo.co.uk
         QAContact: xorg-team at lists.x.org


There's a quirk in radeon_atombios.c in RADEONApplyATOMQuirks() for my
particular card and laptop (begins "Falcon NW").  While testing the Linux
Kernel Modesetting, I discovered that the quirk wasn't quite enough to ensure
smooth functioning.

At present, the driver identifies the LVDS-connected panel with the VGA output
and blanks the panel when there is no VGA connected.  There's a patch at
bugzilla.kernel.org (http://bugzilla.kernel.org/show_bug.cgi?id=13720) which
forces the multiplexer for the LVDS Connector to be a higher number than that
of the VGA, which has resolved the issue for me.  Is this patch applicable -- I
notice that there's some similarity in the shape and configuration of both
codebases -- and can I supply any more information to help resolve this issue?


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