Intel GPU patch 13.7 for stable/9 and releng/9.0

[Meowthink]

Hello all,

Here's Intel GPU patch 13.7 for stable/9 after r233775:

https://docs.google.com/open?id=0BxbPi2OX4_B-U0EtSmoyZVlTbi00R0VJN2VhVW42Zw

Note this is nearly same as kib's original one(against head) available at:
http://people.freebsd.org/~kib/drm/all.13.7.patch

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And for releng/9.0 or release/9.0.0:

https://docs.google.com/open?id=0BxbPi2OX4_B-VjluWmVSZmRURjI0ZEJSellndTJPUQ

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Both anchor will be available until next post.

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One have to undo previous patch before applying this, by:
# patch -Rp1 < /path/to/prev_patch

Or, in any case, if you want to clean your svn repo:
# svn revert -R /path/to/src/
# svn st /path/to/src/ | awk {'print $2'} | xargs rm

A proper way to apply this patch is:
# cd /path/to/src/
# patch -p1 < /path/to/patch

Don't forget to deal with $FreeBSD$ in i915_suspend.c if you use
subversion-freebsd.

Cheers,
Meowthink