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From: Jani Nikula <jani.nikula@linux.intel.com>
To: Daniel Vetter <daniel@ffwll.ch>,
	James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
	Rodrigo Vivi <rodrigo.vivi@intel.com>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Bad flicker on skylake HQD due to code in the 4.7 merge window
Date: Fri, 17 Jun 2016 16:34:57 +0300	[thread overview]
Message-ID: <87vb18uef2.fsf@intel.com> (raw)
In-Reply-To: <20160617072826.GI23520@phenom.ffwll.local>

On Fri, 17 Jun 2016, Daniel Vetter <daniel@ffwll.ch> wrote:
> On Thu, Jun 16, 2016 at 03:42:12PM -0700, James Bottomley wrote:
>> On Thu, 2016-06-16 at 14:29 -0700, James Bottomley wrote:
>> > On Thu, 2016-06-16 at 23:24 +0200, Daniel Vetter wrote:
>> > > I guess we'll need the bisect on this one to make progress.
>> > 
>> > Sigh, I was afraid that might be the next step.
>> 
>> OK, I have a curious data point.  I assumed the problem would be
>> somewhere in the drm update, so I started bisecting that at the top. 
>>  However, the top most commit:
>> 
>> commit 1d6da87a3241deb13d073c4125d19ed0e5a0c62c
>> Merge: 1f40c49 a39ed68
>> Author: Linus Torvalds <torvalds@linux-foundation.org>
>> Date:   Mon May 23 11:48:48 2016 -0700
>> 
>>     Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
>> 
>> Isn't actually bad.  There's no flicker here, so whatever caused the
>> problem came from some update after this.
>
> There was a fixes pull after this. Might be worth it to restrict to just
> the i915 changes, which are just 5b4fd5b1111b1230cd037..157d2c7fad0863222
>
> Looking at those nothing seems to stick out which might explain what's
> happening for you.

This should be easy enough to try before bisecting:
http://patchwork.freedesktop.org/patch/msgid/1466162081-12042-1-git-send-email-mika.kahola@intel.com

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center
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  reply	other threads:[~2016-06-17 13:34 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-30 19:59 Bad flicker on skylake HQD due to code in the 4.7 merge window James Bottomley
2016-05-31  7:51 ` Jani Nikula
2016-05-31 13:33   ` James Bottomley
2016-06-13 10:14     ` Jani Nikula
2016-06-16 21:15       ` James Bottomley
2016-06-16 21:24         ` Daniel Vetter
2016-06-16 21:29           ` [Intel-gfx] " James Bottomley
2016-06-16 22:42             ` James Bottomley
2016-06-17  7:28               ` Daniel Vetter
2016-06-17 13:34                 ` Jani Nikula [this message]
2016-06-17 16:08                   ` [Intel-gfx] " James Bottomley
2016-06-17 23:06                   ` James Bottomley
2016-06-19 21:53                     ` James Bottomley
2016-06-20  8:03                       ` [Intel-gfx] " Jani Nikula
2016-06-21 13:53                         ` James Bottomley
2016-06-21 15:44                           ` Ville Syrjälä
2016-06-21 21:00                             ` James Bottomley
2016-06-23 11:25                               ` [Intel-gfx] " James Bottomley
2016-07-02  6:24                                 ` Thorsten Leemhuis
2016-07-07 16:14                             ` [Intel-gfx] " Ville Syrjälä
2016-07-07 16:55                               ` James Bottomley
2016-07-07 19:19                                 ` James Bottomley
2016-07-08 10:19                                   ` Ville Syrjälä
2016-07-08 14:48                                     ` James Bottomley
2016-07-08 16:56                                       ` Ville Syrjälä
2016-07-12 12:00                                         ` [PATCH] drm/i915: Ignore panel type from OpRegion on SKL ville.syrjala
2016-07-13 12:04                                           ` Daniel Vetter
2016-07-13 13:09                                             ` Ville Syrjälä
2016-07-13 13:33                                           ` James Bottomley
2016-07-13 13:36                                             ` Ville Syrjälä
2016-07-14 13:12                                           ` Ville Syrjälä
2016-07-12 13:12                                         ` ✗ Ro.CI.BAT: warning for " Patchwork
2016-07-14 13:02                                           ` Ville Syrjälä
2016-09-11 14:10                                   ` [Intel-gfx] Bad flicker on skylake HQD due to code in the 4.7 merge window James Hogan
2016-09-13 13:59                                     ` Jani Nikula
2016-06-23 12:52                       ` Steven Newbury
2016-06-23 12:59                         ` Jani Nikula
2016-06-23 13:14                           ` Steven Newbury
2016-06-24 10:59                             ` Chris Wilson
2016-06-24 11:48                               ` [Intel-gfx] " Steven Newbury
2016-06-24 12:42                                 ` Chris Wilson
2016-07-12 10:08                                   ` Daniel Vetter
2016-09-14  9:43                       ` Jani Nikula
2016-06-17  8:12             ` Chris Wilson

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