Alex Deucher d2ead3eaf8 drm/radeon/kms: add evergreen/cayman 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

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2012-12-14 10:45:25 -05:00
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