[Bug 105267] Screen goes blurry after getting hpd irq

[bugzilla-daemon at freedesktop.org]

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

--- Comment #7 from Perry Yuan <perry_yuan at dell.com> ---
(In reply to Jani Nikula from comment #6)
> My first instinct is that the speculation (outside the bug report) about
> this being an eDP 1.4 related thing is a red herring.
> 
> That said, there haven't been all that many eDP 1.4 panels around yet, and
> it's of course possible we may have overlooked a DP spec change wrt link
> (re)training that's specific to eDP 1.4.

Hi Nikula :
Basing on the isolation  from Testing,the panel issue only happen on eDP1.4
panel .It cannot be reproduced with eDP1.3 panel.

So i think we need to check if the eDP1.4 protocol and i915 driver has
something need to fix.

Thanks.

Perry

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