From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Tue, 6 Aug 2013 21:57:14 +0000 (-0300)
Subject: drm/i915: don't update GEN6_PMIMR when it's not needed
X-Git-Tag: v3.12-rc1~136^2~14^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f52ecbcf8009ef18cda86b30efd837338cd25392;p=pandora-kernel.git

drm/i915: don't update GEN6_PMIMR when it's not needed

I did some brief tests and the "new_val = pmimr" condition usually
happens a few times after exiting games.

Note: This is also prep work to track the GEN6_PMIMR register state in
dev_priv->pm_imr. This happens in the next patch.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
[danvet: Add note to explain why we want this, as per the discussion
between Chris and Paulo.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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