From: Michel Thierry <michel.thierry@intel.com>
Date: Fri, 29 May 2015 13:15:05 +0000 (+0100)
Subject: drm/i915: limit PPGTT size to 2GB in 32-bit platforms
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~37^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=501fd70fcaebc911b6b96a7b331e6960e5af67e7;p=pandora-kernel.git

drm/i915: limit PPGTT size to 2GB in 32-bit platforms

We already set this limit for the GGTT.

This is a temporary patch until a full replacement of size_t variables
(inadequate in 32-bit kernel) is in place.

Regression from:
	commit a4e0bedca678c81eea4cd79a4bd502335639f73a
	Author: Michel Thierry <michel.thierry@intel.com>
	Date:   Wed Apr 8 12:13:35 2015 +0100

		drm/i915: Use complete address space in true PPGTT

v2: Prettify code and explain why this is needed. (Chris)
v3: Don't hide the compilation warning in 32-bit. (Chris)

Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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