Before probing the internal panels EDID, we have to wait for the panel
power up delay. To use this time, we enable the panel power before pro-
bing any port and can probe external ports during the delay. On a T420
this saves about 5ms without an external display connected and 15ms
with.
Change-Id: Idce2ebbdb60182c9161e0a92ee4d42ff50c95688
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/17759
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
6f9a50dbae