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

From: Eric Anholt
Date: Fri Jun 17 2011 - 13:44:29 EST

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