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FromEric Anholt <>
SubjectRe: [PATCH 3.0-rc3, v2] i915: Fix gen6 (SNB) GPU stalling
DateFri, 17 Jun 2011 13:39:09 -0700
On Sat, 18 Jun 2011 02:20:08 +0800, Daniel J Blueman <daniel.blueman@gmail.com> wrote:
> On 18 June 2011 01:44, Eric Anholt <eric@anholt.net> wrote:
> > On Sat, 18 Jun 2011 00:42:00 +0800, Daniel J Blueman <daniel.blueman@gmail.com> wrote:
> >> Workaround Sandy Bridge GPU stalls by allowing the blitter command streamer
> >> to write interrupt state to the Hardware Status Page when a MI_USER_INTERRUPT
> >> command is decoded.
> >>
> >> v1->v2: Moved to prior interrupt handler installation and RMW flags as per
> >> feedback.
> >
> > We shouldn't be RMWing.  We're the driver, we're supposed to know what
> > we want.  I'm backing that bit out, will do another round of testing,
> > and send it off.
>
> I still prefer directly setting the mask due to my earlier reasons.
> Unmasking in the IRQ preinstall tests good here, so I'll send a v3
> patch in the morning.

Already tested and sent v3 out to lkml.
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