From: Chris Wilson <chris@chris-wilson.co.uk>
To: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Subject: Re: [PATCH] drm/i915: fix hard-hangs while resetting the gpu on some ilks
Date: Tue, 19 Jun 2012 15:10:45 +0100 [thread overview]
Message-ID: <1340115069_14722@CP5-2952> (raw)
In-Reply-To: <1340115330-1842-1-git-send-email-daniel.vetter@ffwll.ch>
On Tue, 19 Jun 2012 16:15:30 +0200, Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
> Now I still think that having unified hw frobbing paths between driver
> load, resume and gpu reset is highly desirable, so I've opted to just
> add a reset argument to disable the offending code for gpu resets. I
> have no idea why it actually blows up.
Did you look at whether it was an IRQ firing during the reset may have
been an issue? One of the patches I have is to disable interrupts across
the hw reset during i915_reset().
Otherwise, bisect the register writes int the offending
ironlake_enable_drps().
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2012-06-19 14:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-19 14:15 [PATCH] drm/i915: fix hard-hangs while resetting the gpu on some ilks Daniel Vetter
2012-06-19 14:10 ` Chris Wilson [this message]
2012-06-19 16:40 ` [PATCH] drm/i915: don't call modeset_init_hw in i915_reset Daniel Vetter
2012-06-20 9:33 ` Daniel Vetter
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