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2017-04-21mb/lenovo/t420: Enable libgfxinitNico Huber
In the single GPU configuration, the T420 has an LVDS port, one DP++ and one VGA port connected to the IGD. Docking solutions feature up to two additional DP/DVI-D ports, also directly connected to the IGD. This makes the list of ports to probe pretty long (takes about 70ms if nothing but LVDS is connected). We could save about 20~30ms if we'd limit the ports in case we are not docked or have a discrete GPU. Change-Id: I8e02c8003ff745d05ee272c59377174847f5219c Signed-off-by: Nico Huber <nico.h@gmx.de> Reviewed-on: https://review.coreboot.org/19378 Tested-by: build bot (Jenkins) Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>