[Bug 33657] Second device in a dual head system flashes on and off

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33657

--- Comment #5 from Alex Deucher <agd5f at yahoo.com> 2011-01-29 14:31:48 PST ---
This issue is that digital links tend to be pickier about pll dividers and
underflow to the display controller than analog links.  You might also try
booting with radeon.disp_priority=2 on the kernel command line in grub.  Can
you also try the patches in comments 8 and 20 from the other bug
(https://bugzilla.kernel.org/show_bug.cgi?id=26552)?

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