[Bug 99087] Screen flickers - probably double buffered. [regresion]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99087

Paulo Zanoni <przanoni at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      i915 features|                            |display/PSR
             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #8 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to kolorafa from comment #7)
> i915.enable_psr=0 resolves the problem

Good :).

> 
> screen doesn't flicker, but the error message at boot still present (so it's
> not related)

Yeah, that message is still widely known, but usually harmless. Still needs to
be fixed.

> 
> (When i add status should i change status? If yes - to what?)

Usually the "protocol" is that when I ask questions I put it as NEEDINFO, but
then when you provide answers you can change back to NEW (or we can do it later
too, no problem). But in this case I'll just close the bug since the fix is
already on its way to the stable trees.

The following commit should fix it:

commit 2ee7dc497e348eecbb82adbb1ea9e9a7e29fe921
    drm/i915: disable PSR by default on HSW/BDW

Thanks for the bug report!

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