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SubjectRe: [PATCH 3.0-rc3] i915: Fix gen6 (SNB) GPU stalling
On Wed, 15 Jun 2011 00:51:47 +0800, Daniel J Blueman <> wrote:
> True; that is quite heavy handed delay looping.
> It's a pity the usual Intel font didn't make it to the programmer's
> reference manuals. Anyway, unmasking the blitter user interrupt in the hardware
> status mask register addresses the root cause. Out of reset it's FFFFFFFFh,
> so we don't need to read it here.
> It would be good to get this into -rc4. -stable probably needs some additional
> tweaks.
> Signed-off-by: Daniel J Blueman <>

Tested-by: Chris Wilson <>

Should apply as is and be equally effective for stable.

Chris Wilson, Intel Open Source Technology Centre

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