From: Christian König <christian.koenig@amd.com>
Date: Tue, 31 Mar 2015 15:37:00 +0000 (+0200)
Subject: drm/radeon: allow creating overlapping userptrs
X-Git-Tag: omap-for-v4.1/fixes-rc1~82^2~5^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49ecb10e01c68b05dcb73005a54430c15caa05d0;p=pandora-kernel.git

drm/radeon: allow creating overlapping userptrs

Similar to the Intel implementation, but instead of just falling back to a
global linear list when we have an overlapping userptr request we accumulate
all overlapping userptrs in a local list.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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