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From: Keith Packard <keithp@keithp.com>
To: Nicolas Kalkhof <nkalkhof@web.de>, Andrew Lutomirski <luto@mit.edu>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
	intel-gfx@lists.freedesktop.org,
	Eugeni Dodonov <eugeni.dodonov@intel.com>
Subject: Re: [PATCH 1/2] drm/i915: re-enable semaphores by default
Date: Wed, 16 Nov 2011 14:15:19 -0800	[thread overview]
Message-ID: <yunzkfvlnns.fsf@aiko.keithp.com> (raw)
In-Reply-To: <880599371.4875447.1321476997747.JavaMail.fmail@mwmweb002>


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On Wed, 16 Nov 2011 21:56:37 +0100 (CET), "Nicolas Kalkhof" <nkalkhof@web.de> wrote:

> Not quite. On my i7 2620M (Lenovo T420) the gpu frequently hangs when
> decoding videos (vaapi) and running OpenGL apps/games at the same
> time. Disabling iommu makes my system relatively stable even with rc6
> enabled. I haven't played with the semaphores however.

So, if we disabled rc6 when iommu is enabled (dmar_disable = 0), we
should be in good shape then.

-- 
keith.packard@intel.com

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  parent reply	other threads:[~2011-11-16 22:15 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-16 20:56 [PATCH 1/2] drm/i915: re-enable semaphores by default Nicolas Kalkhof
2011-11-16 21:14 ` Daniel Vetter
2011-11-16 22:15 ` Keith Packard [this message]
  -- strict thread matches above, loose matches on Subject: below --
2011-11-18 18:36 Nicolas Kalkhof
2011-11-17 18:31 Nicolas Kalkhof
2011-11-18 15:26 ` Daniel Vetter
2011-11-17  8:57 Nicolas Kalkhof
2011-11-17  9:22 ` Daniel Vetter
2011-11-22  5:41   ` Andrew Lutomirski
2011-11-22 11:23     ` Daniel Vetter
2011-11-29 16:39     ` Daniel Vetter
2011-11-14 20:39 Eugeni Dodonov
2011-11-14 21:23 ` Jesse Barnes
2011-11-16 15:49 ` Daniel Vetter
2011-11-16 17:16   ` Keith Packard
2011-11-16 17:24     ` Andrew Lutomirski
2011-11-16 19:05       ` Eugeni Dodonov
2011-11-16 19:23         ` Jesse Barnes
2011-11-16 20:18     ` Daniel Vetter
2011-11-16 21:37       ` Keith Packard

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