Sumeet R Pawnikar (sumeet.r.pawnikar@intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16596
-gerrit
commit d5dbcfea1b58a2aa16cad7a455d341a287def8c2 Author: Sumeet Pawnikar sumeet.r.pawnikar@intel.com Date: Tue Sep 13 11:54:03 2016 +0530
soc/intel/apollolake: Set RAPL power limit PL1 value to 12W.
This patch sets tuned RAPL power limit PL1 value to 12W in acpi/dptf.asl for RAPL MSR register.
BUG=chrome-os-partner:56524 TEST=Built, Booted on reef and verifed the package power with heavy workload.
Change-Id: I8185ce890f27e29bc138ea568af536bc274fe7b8 Signed-off-by: Sumeet Pawnikar sumeet.r.pawnikar@intel.com --- src/mainboard/google/reef/acpi/dptf.asl | 2 +- src/mainboard/intel/amenia/acpi/dptf.asl | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/mainboard/google/reef/acpi/dptf.asl b/src/mainboard/google/reef/acpi/dptf.asl index 33d9b4d..1f9bfb2 100644 --- a/src/mainboard/google/reef/acpi/dptf.asl +++ b/src/mainboard/google/reef/acpi/dptf.asl @@ -73,7 +73,7 @@ Name (MPPC, Package () Package () { /* Power Limit 1 */ 0, /* PowerLimitIndex, 0 for Power Limit 1 */ 1600, /* PowerLimitMinimum */ - 15000, /* PowerLimitMaximum */ + 12000, /* PowerLimitMaximum */ 1000, /* TimeWindowMinimum */ 1000, /* TimeWindowMaximum */ 200 /* StepSize */ diff --git a/src/mainboard/intel/amenia/acpi/dptf.asl b/src/mainboard/intel/amenia/acpi/dptf.asl index 35bbecb..a75d668 100644 --- a/src/mainboard/intel/amenia/acpi/dptf.asl +++ b/src/mainboard/intel/amenia/acpi/dptf.asl @@ -73,7 +73,7 @@ Name (MPPC, Package () Package () { /* Power Limit 1 */ 0, /* PowerLimitIndex, 0 for Power Limit 1 */ 1600, /* PowerLimitMinimum */ - 15000, /* PowerLimitMaximum */ + 12000, /* PowerLimitMaximum */ 1000, /* TimeWindowMinimum */ 1000, /* TimeWindowMaximum */ 200 /* StepSize */