drm: convert drm context code to use Linux idr
authorDave Airlie <airlied@linux.ie>
Tue, 17 Jul 2007 00:46:52 +0000 (10:46 +1000)
committerDave Airlie <airlied@linux.ie>
Tue, 17 Jul 2007 01:04:33 +0000 (11:04 +1000)
This converts the drm context allocator to an idr, using the new idr
interface features from Kristian.

Fixes from Kristian Hoegsberg <krh@redhat.com>

Signed-off-by: Dave Airlie <airlied@linux.ie>

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