From: Jani Nikula <jani.nikula@linux.intel.com>
To: "Mihai Donțu" <mihai.dontu@gmail.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>, dri-devel@lists.freedesktop.org
Subject: Re: i915: screen flicker
Date: Wed, 27 Apr 2016 13:35:14 +0300 [thread overview]
Message-ID: <87k2jjjq59.fsf@intel.com> (raw)
In-Reply-To: <20160427130755.3f9d9c53@mdontu-l>
On Wed, 27 Apr 2016, Mihai Donțu <mihai.dontu@gmail.com> wrote:
> On Wed, 27 Apr 2016 10:09:32 +0300 Jani Nikula wrote:
>> On Wed, 27 Apr 2016, Mihai Donțu wrote:
>> > I noticed that since I started using 4.6.0-rcX, my screen flickers once
>> > or twice after I stop using my laptop for ~1min or so. Given the
>> > behavior, my prime suspect is the PSR feature that you have announced
>> > for this release:
>> >
>> > http://blog.ffwll.ch/2016/03/neat-drmi915-stuff-for-46.html
>> >
>> > Is 'enable_psr' the right knob to use to turn this feature off and see
>> > if my suspicions are correct? Or is there a patch floating around that
>> > I can test?
>>
>> i915.enable_psr=0 is the one to try, yes.
>
> I can confirm that with PSR off, the flicker goes away.
Please file a bug at [1] and assign to Rodrigo (Cc'd).
BR,
Jani.
[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
--
Jani Nikula, Intel Open Source Technology Center
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next prev parent reply other threads:[~2016-04-27 10:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-26 21:46 i915: screen flicker Mihai Donțu
2016-04-27 7:09 ` Jani Nikula
2016-04-27 10:07 ` Mihai Donțu
2016-04-27 10:35 ` Jani Nikula [this message]
2016-04-27 15:28 ` Rodrigo Vivi
2016-04-27 17:36 ` Mihai Donțu
2016-04-27 17:42 ` Mihai Donțu
2016-04-28 8:02 ` Jani Nikula
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