tree fc65a223fdd66d7e6eb4f163248de373436d83e6
parent 58fd7f4acb487de9fdb1cac4dff79d409108799d
author Subrata Banik <subratabanik@google.com> 1688726004 +0530
committer Jakub Czapiga <jacz@semihalf.com> 1690814380 +0000

mb/google/rex: Allow to show early splash screen using GFX PEIM

This patch chooses to show the early splash screen which is an
OEM feature. The current implementation is relying on the Intel
FSP GFX PEIM to perform the display initialization.

Having this feature allows the platform to show the user notification
with 500ms since boot compared to traditional scenarios where first
user notification is coming from kernel (typically ~3sec+ after cpu
reset). Eventually this feature will help to improve the user
experience while booting Intel SoC platform based chromeos devices.

BUG=b:284799726
TEST=Able to see the early splash screen on google/rex.

Change-Id: I399ddb6618e774302200e8a87629647ba070d080
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76361
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>