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staging: drm/omap: Disable DMM debugfs for OMAP3
authorAndy Gross <andy.gross@ti.com>
Mon, 5 Mar 2012 16:48:37 +0000 (10:48 -0600)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 7 Mar 2012 21:38:07 +0000 (13:38 -0800)
OMAP3 does not contain a DMM/Tiler block.  As such, we should not
be exposing any DMM debugfs entries on OMAP3 platforms.

Added inline helper function to verify existence of DMM.

Signed-off-by: Andy Gross <andy.gross@ti.com>
Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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