linux-kernel - Re: [026/107] drm/i915: Fix gen6 (SNB) missed BLT ring interrupts.

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Date:	Fri, 8 Jul 2011 07:45:17 -0700
From:	Greg KH <gregkh@...e.de>
To:	Keith Packard <keithp@...thp.com>
Cc:	linux-kernel@...r.kernel.org, stable@...nel.org,
	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Daniel J Blueman <daniel.blueman@...il.com>,
	Eric Anholt <eric@...olt.net>, Dave Airlie <airlied@...hat.com>
Subject: Re: [026/107] drm/i915: Fix gen6 (SNB) missed BLT ring interrupts.

On Thu, Jul 07, 2011 at 11:13:33PM -0700, Keith Packard wrote:
> On Thu, 07 Jul 2011 17:15:58 -0700, Greg KH <gregkh@...e.de> wrote:
> 
> > 2.6.39-stable review patch.  If anyone has any objections, please let
> > us know.
> 
> Note that there's a follow-on patch to this which fixes similar hangs
> with the BSD ring:
> 
> ec6a890dfed7dd245beba5e5bcdfcffbd934c284
> 
>     drm/i915: Apply HWSTAM workaround for BSD ring on SandyBridge
>     
>     ...we need to apply exactly the same workaround for missing interrupts
>     from BSD as for the BLT ring, apparently.
>     
>     See also commit 498e720b96379d8ee9c294950a01534a73defcf3
>     (drm/i915: Fix gen6 (SNB) missed BLT ring interrupts).
>     
>     Reported-and-tested-by: nkalkhof@....de
>     Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38529
>     Signed-off-by: Chris Wilson <chris@...is-wilson.co.uk>
>     Signed-off-by: Keith Packard <keithp@...thp.com>

Thanks, I've queued that one up now as well.

greg k-h
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