linux-kernel - Re: [ 32/37] drm/i915: correctly order the ring init sequence

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Message-ID: <20120819190056.GA3545@herton-Z68MA-D2H-B3>
Date:	Sun, 19 Aug 2012 16:00:56 -0300
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	Ben Hutchings <ben@...adent.org.uk>
Cc:	Daniel Vetter <daniel.vetter@...ll.ch>,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Jani Nikula <jani.nikula@...el.com>,
	Yang Guang <guang.a.yang@...el.com>
Subject: Re: [ 32/37] drm/i915: correctly order the ring init sequence

On Sun, Aug 19, 2012 at 03:54:44PM +0100, Ben Hutchings wrote:
> On Sat, 2012-08-18 at 12:04 +0200, Daniel Vetter wrote:
> > On Sat, Aug 18, 2012 at 1:29 AM, Herton Ronaldo Krzesinski
[...]
> > Good catch, I've forgotten to check whether all the recent ring_init
> > patches have gone  through cc: stable. For the stable team, please
> > pick up both patches:
> > 
> > f01db988ef6f6c70a6cc36ee71e4a98a68901229 and
> > 0d8957c8a90bbb5d34fab9a304459448a5131e06
> > 
> > Note that all kernels that need f01db backported also need
> > b7884eb45ec98c0d34c7f49005ae9d4b4b4e38f6 (to fix a regression
> > introduce by the former).
> 
> 3.2.y already had the second and third of these, but not f01db98
> 'drm/i915: Add wait_for in init_ring_common'.  So I've added that.
> 
> I don't have commit 18ef6f6c70a6cc36ee71e4a98a68901229 here, but I
> assume it's a cherry-picked version as it has the same subject line.

Ops sorry, yes, it's the same commit, just the hash was the version I
had picked in my local branch, I did git show in the wrong tree.

> 
> Ben.
> 
> > Yeah, the ring init sequence is a fickle beast :( but I'm pretty sure
> > with these three patches, stable kernels should be up to date and have
> > all the latest fixes.
> > 
> > Yours, Daniel
> 
> -- 
> Ben Hutchings
> I say we take off; nuke the site from orbit.  It's the only way to be sure.

-- 
[]'s
Herton
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