[Bug 95176] LCD flickering on Thinkpad T440p (Haswell) with kernel 4.6-rc4 (PSR enabled)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Dec 15 11:39:03 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=95176

--- Comment #60 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to Steinar H. Gunderson from comment #58)
> FWIW, my X240 hasn't had PSR problems in a long time; it was fixed pretty
> early on in this bug. So it's not all doom and gloom :-)

(In reply to Andreas Kloeckner from comment #59)
> Same here--no issue on X250 (Broadwell) with kernel 4.6.

Unfortunately it's known to cause bugs on at least some panels, so we'll keep
it disabled by default until that's solved. Feel free to continue with the
i915.enable_psr=1 parameter if you want. But if you plan on reporting further
bugs, please make sure to always go back to the default parameters before
reproducing the bugs and getting the log files.

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