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authorTim Wawrzynczak <twawrzynczak@chromium.org>2022-06-06 08:19:42 -0600
committerFelix Held <felix-coreboot@felixheld.de>2022-06-08 12:50:31 +0000
commit917ef5323ca831825d70bf20998316f59d326974 (patch)
tree897abda14461d1a1d8637a799bc6ef2261179ef2 /src/soc/amd/stoneyridge
parent097b9dd8e3de4481c7b2ff19658bcd48cbc4a8b5 (diff)
mb/google/brya/var/agah: Add delays to GPU power off sequence
During the GPU power down sequence, each power rail should reach below at least 10% before the next rail is sequenced down; based on scope shots for a board, conservative delays between each rail are added; they will likely be more fine-tuned later on. BUG=b:233959099 TEST=sequence verified by EE Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Change-Id: I28ada3a01b86996e9c7802f8bd18b9acda6bb343 Reviewed-on: https://review.coreboot.org/c/coreboot/+/64993 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
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