From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Date: Wed, 6 May 2015 11:36:09 +0000 (+0300)
Subject: drm/i915: Use partial view in mmap fault handler
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~46^2~54^2~11
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5ad54cf7dd8922bd1cee2d5871aebf73dc9638e;p=pandora-kernel.git

drm/i915: Use partial view in mmap fault handler

Use partial view for huge BOs (bigger than half the mappable aperture)
in fault handler so that they can be accessed withough trying to make
room for them by evicting other objects.

v2:
- Only use partial views in the case where early rejection was
  previously done.
- Account variable type changes from previous reroll.
v3:
- Add a comment about overwriting existing page entries.
  (Tvrtko Ursulin)
- Whitespace fixes.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

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