From 7238eca4cf18a5bba8679afc8c71a274e264f82e Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Fri, 13 Jun 2014 14:17:09 +1000
Subject: [PATCH] drm/nouveau: expose pstate selection per-power source in
 sysfs

echo ac:id >> pstate # select mode when on mains power
echo dc:id >> pstate # select mode when on battery
echo id >> pstate # select mode for both

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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