From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 54381] [drm:radeon_atom_pick_pll] *ERROR* unable to allocate a
	PPLL
Date: Mon, 25 Feb 2013 20:16:03 +0000 (UTC)
Message-ID: <20130225201603.BDC4111FC93@bugzilla.kernel.org>
References: <bug-54381-2300@https.bugzilla.kernel.org/>
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https://bugzilla.kernel.org/show_bug.cgi?id=54381





--- Comment #5 from Alex Deucher <alexdeucher@gmail.com>  2013-02-25 20:16:03 ---
(In reply to comment #4)
> As per xrandr (projector NOT connected):
> DVI-0: 1280x1024 60.0*+
> DVI-1: 1920x1200 60.0*+
> HDMI-0: 1920x1200 60.0*+
> 
> The output DVI-1 with the projector connected:
> 1920x1080 60.0*+
> 
> Worked fine until 3.7.0.

Can you dump the full modelines with pixel clocks (xrandr --verbose)?  I
suspect the pixel clocks for 1920x1200 and 1920x1080 modes are close enough
that one of the monitors was able to tolerate a slightly incorrect pixel clock.
 Some monitors are more tolerant than others.  Projectors tend to be since they
usually support a wide range of signals from various inputs.

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