[Bug 105267] Screen flickering after getting hpd irq

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105267

--- Comment #13 from Ethan Hsieh <ethan.hsieh at canonical.com> ---
Hi Nikula,

The issue seems to be gone after applying patch.
I ran stress test (glxgears) for 1 hour tree times and cannot reproduce the
issue.

Here is the test result:
1. With patch in [1] (1 hour): Pass (0/3)
2. Without patch in [1] ( 30 mins): Fail (2/2)

BTW, when issue occurs, it can be recovered by following command.
$ DISPLAY=:0 xset dpms force off
$ DISPLAY=:0 xset dpms force on

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