From: Ben Skeggs <bskeggs@redhat.com>
Date: Sun, 3 Jul 2011 11:16:12 +0000 (+1000)
Subject: drm/nouveau/tmr: calibrate for ns timestamps on init
X-Git-Tag: v3.2-rc1~135^2~58^2~83
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=591b06d73bb8a2da879b1159342b8be192bf1119;p=pandora-kernel.git

drm/nouveau/tmr: calibrate for ns timestamps on init

We previously assumed (incorrectly a lot of the time) that PTIMER would
be programmed at a frequency which'd give its 64-bit timestamps in
nanoseconds.

By programming PTIMER ourselves, we avoid this problem.

Reviewed-by: Martin Peres <martin.peres@ensi-bourges.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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