EFP1 is configured as 'DisplayPort with HDMI/DVI
compatibility'. Using this setting 4K monitor is configured
into lower resolution.
Change EFP1 setting to 'HDMI/DVI'
The next addtional small changes are made in VBT:
UEFI GOP Driver
Child Device 2 = LFP
Child Device 3 = EFP1/LFP
LFP Panel configuration Y-Res of Panel #10 = 1920
BUG=N/A
TEST=LCD and HDMI on Facebook FBG1701
Change-Id: Idc694b15ff94b83291a8c8252e269b7e6d96f87b
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35043
Reviewed-by: Lance Zhao <lance.zhao@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
4a9cd2e237