From: Dave Airlie <airlied@redhat.com>
Date: Fri, 18 May 2012 14:40:33 +0000 (+0100)
Subject: drm/prime: introduce sg->pages/addr arrays helper
X-Git-Tag: v3.5-rc1~100^2~4^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=51ab7ba2673758561074184795bba5bac780a038;p=pandora-kernel.git

drm/prime: introduce sg->pages/addr arrays helper

the ttm drivers need this currently, in order to get fault handling
working and efficient.

It also allows addrs to be NULL for devices like udl.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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