From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Tue, 1 Apr 2014 18:37:14 +0000 (-0300)
Subject: drm/i915: properly clear IIR at irq_uninstall on Gen5+
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~63^2~81
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f86f3fb005d0c907285fa8685badcb24ec31ee59;p=pandora-kernel.git

drm/i915: properly clear IIR at irq_uninstall on Gen5+

The IRQ_INIT and IRQ_FINI macros are basically the same thing, with
the exception that IRQ_FINI doesn't properly clear IIR twice and
doesn't have as many POSTING_READs as IRQ_INIT. So rename the INIT
macro to IRQ_RESET and use it everywhere.

v2: - Fix error in the commit message (Chris).
    - Adjust to the new POSTING_READ scheme (Ben).

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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