From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 13 Dec 2013 11:26:20 +0000 (+0200)
Subject: drm/i915/bdw: Don't use forcewake needlessly
X-Git-Tag: v3.14-rc1~47^2~44^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a3564d2b5236b73bceb271f482965d38cd9d8d8e;p=pandora-kernel.git

drm/i915/bdw: Don't use forcewake needlessly

Not all registers need forcewake even if they're not shadowed.
Add the missing check to gen8_writeX() to avoid needless forcewake
usage when writing eg. display registers.

v2: Use straight up <0x40000 check instead of NEEDS_FORCE_WAKE()

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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