[coreboot-gerrit] Patch merged into coreboot/master: intel/kunimitsu: Power gate Kepler device
gerrit at coreboot.org
gerrit at coreboot.org
Mon Jan 18 01:18:47 CET 2016
the following patch was just integrated into master:
commit 5d4735d140898ebb459a8a54f082568b8ffdb212
Author: Pravin Angolkar <pravin.k.angolkar at intel.com>
Date: Tue Sep 29 19:31:41 2015 +0530
intel/kunimitsu: Power gate Kepler device
This patch power gates the Kepler module
on skylake kunimitsu board. This is required
to save power since this is consuming over 500mw
of power in all active use cases.
The device can be powered on later by using the
kernel driver as required by setting the
kepler enable gpio high.
BRANCH=None
BUG=chrome-os-partner:45962
TEST=Build and Boot Kunimitsu and check lspci.
The Kepler device should not be listed.
Also power measurement of board should give
approximately 300mW of reduction in power.
Change-Id: I244a23385e20ef1431dc895536c8a47e1f5770d7
Signed-off-by: Patrick Georgi <pgeorgi at chromium.org>
Original-Commit-Id: 8d4fb7d01f32ac307a351c307b8461628c0e5414
Original-Change-Id: Idafa74d7ff14d67a5b1e635f783efd84b5a7399c
Original-Signed-off-by: Pravin Angolkar <pravin.k.angolkar at intel.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/302277
Original-Commit-Ready: Naveenkrishna Ch <naveenkrishna.ch at intel.com>
Original-Tested-by: Pravin K Angolkar <pravin.k.angolkar at intel.com>
Original-Reviewed-by: Aaron Durbin <adurbin at chromium.org>
Reviewed-on: https://review.coreboot.org/12964
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth at google.com>
See https://review.coreboot.org/12964 for details.
-gerrit
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