[Bug 60523] Radeon DPM not working with 2 monitors attached to Radeon HD5770 (Juniper)

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=60523

--- Comment #20 from Alex Deucher <alexdeucher at gmail.com> ---
Christian,  Can you try this patch:
http://lists.freedesktop.org/archives/dri-devel/2013-August/043464.html
I the vblank period on your monitor is short enough that it's causing the
driver to select the multi-head case to avoid mclk switching.  You should also
try the patch in comment 17.

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