From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 18 Nov 2011 15:19:47 +0000 (-0500)
Subject: drm/radeon/kms: add 6xx/7xx CS parser for async DMA (v2)
X-Git-Tag: v3.8-rc1~82^2~2^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf4ccd016bae1a03bb38170eb54b5db4b04e0545;p=pandora-kernel.git

drm/radeon/kms: add 6xx/7xx CS parser for async DMA (v2)

Allows us to use the DMA ring from userspace.
DMA doesn't have a good NOP packet in which to embed the
reloc idx, so userspace has to add a reloc for each
buffer used and order them to match the command stream.

v2: fix address bounds checking, reloc indexing

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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