From: Jiang Liu <jiang.liu@linux.intel.com>
Date: Thu, 19 Dec 2013 12:38:20 +0000 (+0800)
Subject: ACPI / i915: replace open-coded _DSM code with helper functions
X-Git-Tag: v3.14-rc1~107^2~9^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d5c3d79e5ec6219fb20bf358d1e1bbaea1c36591;p=pandora-kernel.git

ACPI / i915: replace open-coded _DSM code with helper functions

Use helper functions to simplify _DSM related code in i915 driver.

Function intel_dsm() is used to check functions supported by ACPI _DSM
method, but it has strange check for special value 0x80000002. After
digging into nouveau driver, I think the check is copied from nouveau
driver and is useless for i915 driver, so remove it.

Acked-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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