[Bug 105267] Screen flickering after getting hpd irq

[bugzilla-daemon at freedesktop.org]

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

--- Comment #11 from Ethan Hsieh <ethan.hsieh at canonical.com> ---
Created attachment 138093
  --> https://bugs.freedesktop.org/attachment.cgi?id=138093&action=edit
kern.log (drm.debug=0x14)

Hi Nikula,

The issue is gone after applying the patch. But, it's not easy to reproduce the
issue. Sometime it takes more than 1 hr to reproduce it. So, I'll do more tests
to confirm it.

Here is the test result:
1. With patch in [1]: Pass (0/7)
2. Without patch in [1]: Fail (4/6)

Here are the reproduction steps:
1. Run glxgears for 30mins with patched kernel
2. Check if screen is flickering or not
3. Reboot
3. Run glxgears for 30mins
4. Check if screen is flickering or not
5. Reboot
6. Got to 1.

Please check log as attached.

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