tree 7d948d46b739ad457e71556b977c6cd435af7603
parent 24d2ee9447c31e8db7ec98583920b3cf73f55266
author Tarun Tuli <taruntuli@google.com> 1687376127 +0000
committer Nick Vaccaro <nvaccaro@google.com> 1687451435 +0000

mb/google/brya/acpi: Don't wait for PG in GPU off sequences

When powering rails down, there is no value in waiting for the PG
signal to de-assert. Instead, shut the rails off as quickly as possible
while maintaining a controlled ordering.

BUG=b:288266850
TEST=build and measured delays are gone
Signed-off-by: Tarun Tuli <taruntuli@google.com>

Change-Id: If31691a7d62b72661fcbacb34e90f3a6adec8134
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76050
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>