From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sat, 15 Sep 2012 08:41:57 +0000 (+0100)
Subject: drm/i915: Reduce a pin-leak BUG into a WARN
X-Git-Tag: v3.2.31~88
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f2c01dad6a6d1da3c4d19379bbc383e072274d1;p=pandora-kernel.git

drm/i915: Reduce a pin-leak BUG into a WARN

commit 7e81a42e341a4f15d76624b7c02ffb21b085b56f upstream.

Pin-leaks persist and we get the perennial bug reports of machine
lockups to the BUG_ON(pin_count==MAX). If we instead loudly report that
the object cannot be pinned at that time it should prevent the driver from
locking up, and hopefully restore a semblance of working whilst still
leaving us a OOPS to debug.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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