From: Francisco Jerez <currojerez@riseup.net>
Date: Tue, 7 Sep 2010 16:24:52 +0000 (+0200)
Subject: drm/nouveau: Simplify tile region handling.
X-Git-Tag: v2.6.37-rc1~92^2~25^2~59
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f56b1265d66f6698e3155529e6c5d0c34b37afa;p=pandora-kernel.git

drm/nouveau: Simplify tile region handling.

Instead of emptying the caches to avoid a race with the PFIFO puller,
go straight ahead and try to recover from it when it happens. Also,
kill pfifo->cache_flush and tile->lock, we don't need them anymore.

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