linux-imx

drm/etnaviv: add helper for comparing model/revision IDs

Add and use a helper for comparing the model and revision IDs.

Acked-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>