[Intel-gfx] [PATCH 3.0-rc3, v2] i915: Fix gen6 (SNB) GPU stalling

[Eric Anholt]

On Sat, 18 Jun 2011 00:42:00 +0800, Daniel J Blueman <daniel.blueman at 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.
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