From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Tue, 1 Apr 2014 18:37:18 +0000 (-0300)
Subject: drm/i915: fix GEN7_ERR_INT init/reset code
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~63^2~77
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6d954c173b65c8c3b2fedba2bb9c9e349bbcdd6;p=pandora-kernel.git

drm/i915: fix GEN7_ERR_INT init/reset code

Same as SERR_INT and the other IIR registers: reset on
preinstall/uninstall and WARN for non-zero values at postinstall. This
one also doesn't need double-clear.

v2: - Remove the is_zero assertion (Ben).

Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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