drm/i915: Abstract PPGTT enabling
authorBen Widawsky <benjamin.widawsky@intel.com>
Tue, 9 Apr 2013 01:43:54 +0000 (18:43 -0700)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 18 Apr 2013 07:43:15 +0000 (09:43 +0200)
Since we've already set up a nice vtable to abstract other PPGTT
functions, also abstract the actual register programming to enable
things.

This function will probably need to change a bit as we implement real
processes.

v2: Resolve conflicts due to patch series reordering.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net> (v1)
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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