From: Francisco Jerez <currojerez@riseup.net>
Date: Mon, 18 Oct 2010 01:56:40 +0000 (+0200)
Subject: drm/nouveau: Avoid race in the interchannel sync code.
X-Git-Tag: v2.6.38-rc1~419^2~37^2~72
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b478addc0bfaaf5031e36ee166c9457ceae628c;p=pandora-kernel.git

drm/nouveau: Avoid race in the interchannel sync code.

It needs a "strong" channel reference because it actually writes to
the channel pushbuf, otherwise the corresponding FIFO context could
get kicked off in the middle of nouveau_fence_sync().

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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