tree a817050b7946185fba0dcdc5b16c0b626306aa15
parent acb868d3d710b09a356d848e0cd44d9713a9e274
author Chris Wilson <chris@chris-wilson.co.uk> 1349867512 +0100
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1350032349 +0200

drm/i915: fixup i915_gem_object_get_page inline helper

Note that just because we have n == MAX elements left, does not imply
that there are only MAX elements left in the scatterlist and so we may
not be on the last chain, and the nth element may in fact be a chain ptr.

This is exercised by the improved hangman tests and the gem_exec_big
test in i-g-t.

This regression has been introduced in

commit 9da3da660d8c19a54f6e93361d147509be3fff84
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Jun 1 15:20:22 2012 +0100

   drm/i915: Replace the array of pages with a scatterlist

v2: KISS, replace the direct lookup with a for_each_sg() [danvet]
v3: Try to be clever again.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>