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Open Source and information security mailing list archives
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Date: Sat, 18 Jun 2011 02:20:08 +0800 From: Daniel J Blueman <daniel.blueman@...il.com> To: Eric Anholt <eric@...olt.net> Cc: Dave Airlie <airlied@...hat.com>, Chris Wilson <chris@...is-wilson.co.uk>, intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org, Ben Widawsky <ben@...dawsk.net>, Kenneth Graunke <kenneth@...tecape.org>, Yi Sun <yi.sun@...el.com>, Jesse Barnes <jbarnes@...tuousgeek.org>, Mengmeng Meng <mengmeng.meng@...el.com>, Robert Hooker <sarvatt@...ntu.com> Subject: Re: [PATCH 3.0-rc3, v2] i915: Fix gen6 (SNB) GPU stalling On 18 June 2011 01:44, Eric Anholt <eric@...olt.net> wrote: > On Sat, 18 Jun 2011 00:42:00 +0800, Daniel J Blueman <daniel.blueman@...il.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. Thanks, Daniel -- Daniel J Blueman -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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