intel-gtt: drop dcache support for i830 and later
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 4 Nov 2010 17:41:50 +0000 (18:41 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Tue, 23 Nov 2010 20:14:41 +0000 (20:14 +0000)
i830_check_flags already disallows it, so no need to implement it
in the write_entry function. Seems to be a remnant from i810 support.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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