[Bug 98472] [i965][SKL] External display blanks intermittently with Skylake in Linux 4.9rc2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98472

--- Comment #1 from Brett Smith <brettcsmith at brettcsmith.org> ---
I apologize, I misspoke on a couple of points and should correct them.

In the Xorg logs above, DP1 is (apparently) the external display, while eDP1 is
the laptop display.

However, after watching more closely, it turns out these logs *don't* correlate
with the screen blanks.  Instead, they apparently happen while the screen is
locked with GNOME's screen lock.  I've noticed this monitor repeatedly
complains about "No video input" when the screen is locked, rather than going
to sleep as expected, and it seems like this correlates with some sort of
flapping over which display should be primary.  But that would be a separate
issue, and personally it's less pressing to me than the monitor blanking.

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