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From: Pekka Enberg <penberg@kernel.org>
To: Chris Wilson <chris@chris-wilson.co.uk>,
	intel-gfx@lists.freedesktop.org,
	Pekka Enberg <penberg@kernel.org>,
	linux-kernel@vger.kernel.org
Cc: Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Disable all outputs early, before KMS takeover
Date: Fri, 1 Apr 2011 14:51:42 +0300
Message-ID: <AANLkTik6njOQTLGsB4KzPP-J=fE=p4CHopAyvsDzdDSF@mail.gmail.com> (raw)
In-Reply-To: <20110401114429.GA3526@viiv.ffwll.ch>

On Fri, Apr 1, 2011 at 2:44 PM, Daniel Vetter <daniel@ffwll.ch> wrote:
> On Tue, Mar 29, 2011 at 11:46:29AM +0100, Chris Wilson wrote:
>> If the outputs are active and continuing to access the GATT when we
>> teardown the PTEs, then there is a potential for us to hang the GPU.
>> The hang tends to be a PGTBL_ER with either an invalid host access or
>> an invalid display plane fetch.
>
> This patch seems to fix resume flakiness (that recently developed
> complete reliability in hanging the gpu) on my i855gm. Captured
> error_states look as described here. Latest -staging merged into latest
> -linus is now again fully reliable at s/r.
>
> Tested-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Unfortunately I get a blank screen with after boot:

Nacked-by: Pekka Enberg <penberg@kernel.org>

  reply index

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <AANLkTi=VqkYjdiDLJvM-OfmBSGx-EkRkt=4XCDEnvZsU@mail.gmail.com>
2011-03-29 10:46 ` Chris Wilson
2011-03-29 12:23   ` [PATCH] drm/i915: Move the irq wait queue initialisation into the ring init Chris Wilson
2011-03-29 13:05     ` Pekka Enberg
2011-03-29 13:22       ` Chris Wilson
2011-03-29 13:39         ` Pekka Enberg
2011-03-29 14:22           ` Pekka Enberg
2011-03-29 14:32             ` Chris Wilson
2011-03-29 15:21               ` Pekka Enberg
2011-04-01 11:44   ` [PATCH] drm/i915: Disable all outputs early, before KMS takeover Daniel Vetter
2011-04-01 11:51     ` Pekka Enberg [this message]
2011-04-05 10:21       ` [Intel-gfx] " Tomas Winkler
2011-04-05 10:30         ` Chris Wilson
2011-04-05 10:37           ` Pekka Enberg
2011-04-05 11:55             ` Tomas Winkler
2011-04-05 14:11             ` Pekka Enberg
2011-04-05 14:27               ` Chris Wilson
2011-04-05 14:31                 ` [Intel-gfx] " Pekka Enberg
2011-04-05 14:34               ` Chris Wilson
2011-04-05 15:11                 ` Pekka Enberg
2011-04-05 15:32                   ` Chris Wilson
2011-04-05 15:44                     ` Pekka Enberg
2011-04-05 14:42           ` Linus Torvalds
2011-04-05 15:01             ` Keith Packard
2011-04-05 15:12             ` [Intel-gfx] " Chris Wilson
2011-04-05 15:35               ` Pekka Enberg

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