[Bug 47007] HDMI monitor polling causing 100ms rendering stalls

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=47007

--- Comment #18 from Simon Farnsworth <simon.farnsworth at onelan.co.uk> 2012-03-15 04:20:56 PDT ---
I've spoken with Tvrtko - we think the patch is not quite right.

Specifically, it assumes that we will get appropriate HPD sense when a VGA
monitor is connected, but we've come up with two cases where that's not true:

1) DVI-A to VGA adapter plugged in first, monitor plugged in a few minute
later.
2) Cheap DVI-A to VGA adapter that doesn't wire up the HPD pin.

Tvrtko's planning to look into this in a bit more depth.

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