From: "Mihai Donțu" <mihai.dontu@gmail.com>
To: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>, dri-devel@lists.freedesktop.org
Subject: Re: i915: screen flicker
Date: Wed, 27 Apr 2016 13:07:55 +0300 [thread overview]
Message-ID: <20160427130755.3f9d9c53@mdontu-l> (raw)
In-Reply-To: <877ffjle8j.fsf@intel.com>
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.
> > I have an Intel i7-4600U CPU. I also attached to this email and archive
> > with the contents of /sys/kernel/debug/dri/0.
--
Mihai Donțu
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2016-04-27 10:07 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 [this message]
2016-04-27 10:35 ` Jani Nikula
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160427130755.3f9d9c53@mdontu-l \
--to=mihai.dontu@gmail.com \
--cc=daniel.vetter@intel.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=jani.nikula@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox