drm/radeon/kms: demystify r600 blit code
authorIlija Hadzic <ihadzic@research.bell-labs.com>
Thu, 13 Oct 2011 03:29:37 +0000 (23:29 -0400)
committerDave Airlie <airlied@redhat.com>
Tue, 18 Oct 2011 09:06:23 +0000 (10:06 +0100)
some 3d register bits look like magic in r600 blit functions
use predefined constants to make it more intuitive what they are

Signed-off-by: Ilija Hadzic <ihadzic@research.bell-labs.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

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