linux-kernel - Re: [bisect result] Re: 3.15-rc2: i915 regression: only top 20% of screen works in X

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Date:	Fri, 25 Apr 2014 14:33:14 +0300
From:	Jani Nikula <jani.nikula@...ux.intel.com>
To:	Pavel Machek <pavel@....cz>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Jiri Kosina <jikos@...os.cz>
Subject: Re: [bisect result] Re: 3.15-rc2: i915 regression: only top 20% of screen works in X

On Fri, 25 Apr 2014, Pavel Machek <pavel@....cz> wrote:
>> On Thu, Apr 24, 2014 at 09:40:38PM +0200, Pavel Machek wrote:
>> > Hi!
>> > 
>> > > And if you can indeed reliably reproduce this a bisect could be really useful.
>> > 
>> > And we have a winner here :-)
>> > 
>> > Ok, it was not as painfull as I feared.
>> > 
>> > It does not revert cleanly, but doing it by hand was not that bad.
>> 
>> Oh my. That is bizarre, can you check whether you have
>> 
>> commit 9991ae787a0c87fe7c783b4b6f4754c3cdbb6213
>
> Yes, with that commit, graphics is back to working state. Please push
> it to mainline soon -- it fixes a regression. Feel free  to add
>
> Tested-by: Pavel Machek <pavel@....cz>

I cherry-picked and pushed

commit 9991ae787a0c87fe7c783b4b6f4754c3cdbb6213
Author: Chris Wilson <chris@...is-wilson.co.uk>
Date:   Wed Apr 2 16:36:07 2014 +0100

    drm/i915: Move all ring resets before setting the HWS page

to -fixes. Thanks for testing.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center
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