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

From: Greg KH
Date: Fri Jul 08 2011 - 10:50:20 EST


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@xxxxxxx> 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@xxxxxx
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38529
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>

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

greg k-h
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