From: Jani Nikula <jani.nikula@linux.intel.com>
To: Thomas Gummerer <t.gummerer@gmail.com>,
dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org, David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel.vetter@intel.com>,
Thomas Gummerer <t.gummerer@gmail.com>,
jan@gondor.com, Tvrtko Ursulin <tvrtko.ursulin@intel.com>,
Michael Leuchtenburg <michael@slashhome.org>,
Matt Roper <matthew.d.roper@intel.com>
Subject: Re: [BUG/REGRESSION] Screen flickering
Date: Wed, 13 May 2015 12:14:39 +0300 [thread overview]
Message-ID: <87iobw3klc.fsf@intel.com> (raw)
In-Reply-To: <87pp65efmo.fsf@hank.tgummerer.com>
On Tue, 12 May 2015, Thomas Gummerer <t.gummerer@gmail.com> wrote:
> Hi,
>
> I noticed that on my machine the screen starts to flicker after I
> suspend and resume my machine, on the main laptop display if an external
> display is attached with kernel v4.1-rc1. I tracked the regression down
> to commit c9f038a1a592 ("drm/i915: Don't assume primary & cursor are
> always on for wm calculation (v4)"), and sent a patch that fixes that
> behavior at [1] about two weeks ago, although I'm not sure it's the
> right thing to do, as I'm not very familiar with the code. The same bug
> still exists in vv4.1-rc3.
>
> Jan Niehusmann confirmed the behavior, but there has been no further
> discussion on the topic. I also forgot to cc the people that were
> involved in the patch that caused the regression (sorry about that).
>
> Is there anything else that I can do to help fixing this issue?
Is this the same as https://bugzilla.kernel.org/show_bug.cgi?id=98141 ?
BR,
Jani.
>
> Thanks,
> Thomas
>
> [1] http://lists.freedesktop.org/archives/intel-gfx/2015-April/065494.html
--
Jani Nikula, Intel Open Source Technology Center
next prev parent reply other threads:[~2015-05-13 9:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-12 19:54 [BUG/REGRESSION] Screen flickering Thomas Gummerer
2015-05-13 9:14 ` Jani Nikula [this message]
2015-05-13 9:53 ` Jan Niehusmann
2015-05-13 10:32 ` Sudip Mukherjee
2015-05-13 11:10 ` Jan Niehusmann
2015-05-13 11:28 ` Sudip Mukherjee
2015-05-13 11:27 ` Thomas Gummerer
2015-05-13 11:34 ` Sudip Mukherjee
2015-05-13 11:23 ` Thomas Gummerer
2015-05-14 3:21 ` Matt Roper
2015-05-14 7:16 ` [PATCH v2] drm/i915: fix screen flickering Thomas Gummerer
2015-05-14 14:28 ` Matt Roper
2015-05-19 7:37 ` Jani Nikula
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