i915: add dma-buf vmap support for exporting vmapped buffer
authorDave Airlie <airlied@redhat.com>
Tue, 22 May 2012 12:09:21 +0000 (13:09 +0100)
committerDave Airlie <airlied@redhat.com>
Thu, 31 May 2012 13:13:57 +0000 (14:13 +0100)
This is used to export a vmapping to the udl driver so that
i915 and udl can share the udl scanout.

Signed-off-by: Dave Airlie <airlied@redhat.com>

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