From: Chris Wilson <chris@chris-wilson.co.uk>
To: Daniel Vetter <daniel@ffwll.ch>, Ben Widawsky <ben@bwidawsk.net>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH v2 1/4] drm/i915: add warning for unidle GPU
Date: Sun, 25 Sep 2011 12:15:18 +0100 [thread overview]
Message-ID: <e39f63$23743r@fmsmga002.fm.intel.com> (raw)
In-Reply-To: <20110925101636.GB2852@phenom.ffwll.local>
On Sun, 25 Sep 2011 12:16:36 +0200, Daniel Vetter <daniel@ffwll.ch> wrote:
> Also it looks like this causes us to no properly idle the gpu on
> suspend/resume. Might fix issues especially on gen2/3 where we put an
> MI_WAIT in front of the flip, hence enlarging the window to up to 20 ms.
This I happen to disagree with as there is an existing bug with not
properly quiescing the GPU (on all gen) when disabling pipes that would
also be hit in this case.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2011-09-25 11:15 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-24 22:23 [PATCH v2 0/4] Ironlake mobile GPU with VT-d, fix Ben Widawsky
2011-09-24 22:23 ` [PATCH v2 1/4] drm/i915: add warning for unidle GPU Ben Widawsky
2011-09-25 10:16 ` Daniel Vetter
2011-09-25 11:15 ` Chris Wilson [this message]
2011-09-24 22:23 ` [PATCH v2 2/4] drm/i915: Ironlake mobile GPU with VT-d fix Ben Widawsky
2011-09-24 22:41 ` Ben Widawsky
2011-09-25 9:40 ` Daniel Vetter
2011-09-25 23:42 ` Ben Widawsky
2011-09-26 7:23 ` Daniel Vetter
2011-10-15 2:08 ` Ben Widawsky
2011-09-24 22:23 ` [PATCH v2 3/4] intel-iommu: IOTLB hang workaround Ben Widawsky
2011-09-24 22:23 ` [PATCH v2 4/4] drm/i915: add unidle warning back Ben Widawsky
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