[Bug 27314] output not working on dell m6500

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27314

--- Comment #13 from Alex Deucher <agd5f at yahoo.com> 2010-06-17 09:23:53 PDT ---
boot up to a vga console (don't load the radeon drm or X) so that the DP
monitor is still enabled.  Then dump the reg state to a file and attach that
dump.  You can get avivotool here:
http://cgit.freedesktop.org/~airlied/radeontool/
and then apply this patch:
https://bugs.freedesktop.org/attachment.cgi?id=34810
then dump the regs (as root):
avivotool regs all > dp_bios.dump

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