drm/armada: use number of CRTCs registered
authorRussell King <rmk+kernel@arm.linux.org.uk>
Tue, 22 Apr 2014 10:02:23 +0000 (11:02 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 3 Jul 2014 15:24:45 +0000 (16:24 +0100)
Use the number of CRTCs registered to size the vblank arrays rather than
our own count.  Number CRTCs using this as well.  This permits us to
register CRTCs as components in the near future rather than as part of a
single device.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

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