[Bug 111701] PSR causes graphical glitches on Dell XPS 15 9570

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111701

--- Comment #15 from Jose Roberto de Souza <jose.souza at intel.com> ---
(In reply to Sultan Alsawaf from comment #13)
> Created attachment 145653 [details] [review]
> fixed patch to disable PSR2 for the affected panel
> 
> Hi Jose,
> 
> Your patch didn't work, so I fixed it up (see attached). Please review it
> and let me know if it looks correct.

Compared your patch with mine, the result of both should be the same, did you
spot any difference?
I'm sure that other developers will not like this manual string comparison too. 

> 
> Also, how were you trying to reproduce this on the panel you have on your
> desk? Could I know your setup?

Running Ubuntu 18.10 with drm-tip kernel on a Whiskey Lake reference platform,
all GEN9 are very similar on display so I should be able to reproduce it if I
had the exactly same panel model as you.

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