diff options
| author | Sumeet Pawnikar <sumeet.r.pawnikar@intel.com> | 2021-09-30 09:38:49 +0530 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-10-01 18:42:46 +0000 |
| commit | e06e43a83fe91639c5d7c54641bb67fb9950b47e (patch) | |
| tree | dcb4be9a30a42edadbd89c9e08a866f8c0ca0be0 /src/mainboard/intel | |
| parent | e2e0a6b5974b945e9c921292559647cc3fe0151d (diff) | |
mb/intel/adlrvp: set power limits dynamically for thermal
Set power limit values dynamically based on CPU TDP and PCI ID of SKU.
These values are as per platform design specification.
BUG=None
BRANCH=None
TEST=Build FW and test on adlrvp board
Change-Id: I8ba901fe7c978aad43b85a860c71b33bfbff2ff5
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57462
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Diffstat (limited to 'src/mainboard/intel')
| -rw-r--r-- | src/mainboard/intel/adlrvp/include/baseboard/variants.h | 1 | ||||
| -rw-r--r-- | src/mainboard/intel/adlrvp/ramstage.c | 16 |
2 files changed, 11 insertions, 6 deletions
diff --git a/src/mainboard/intel/adlrvp/include/baseboard/variants.h b/src/mainboard/intel/adlrvp/include/baseboard/variants.h index bc2a57e98f..bd67192452 100644 --- a/src/mainboard/intel/adlrvp/include/baseboard/variants.h +++ b/src/mainboard/intel/adlrvp/include/baseboard/variants.h @@ -40,6 +40,7 @@ const struct mb_cfg *variant_memory_params(void); void variant_devtree_update(void); struct cpu_power_limits { uint16_t mchid; + u8 cpu_tdp; unsigned int pl1_min_power; unsigned int pl1_max_power; unsigned int pl2_min_power; diff --git a/src/mainboard/intel/adlrvp/ramstage.c b/src/mainboard/intel/adlrvp/ramstage.c index 99ce52eb26..76cf53a63c 100644 --- a/src/mainboard/intel/adlrvp/ramstage.c +++ b/src/mainboard/intel/adlrvp/ramstage.c @@ -10,14 +10,16 @@ #include <soc/soc_chip.h> #include <drivers/intel/dptf/chip.h> #include "board_id.h" +#include <intelblocks/power_limit.h> const struct cpu_power_limits limits[] = { - /* SKU_ID, pl1_min, pl1_max, pl2_min, pl2_max */ + /* SKU_ID, TDP (Watts), pl1_min, pl1_max, pl2_min, pl2_max */ /* PL2 values are for performance configuration */ - { PCI_DEVICE_ID_INTEL_ADL_P_ID_7, 3000, 15000, 55000, 55000 }, - { PCI_DEVICE_ID_INTEL_ADL_P_ID_6, 3000, 15000, 55000, 55000 }, - { PCI_DEVICE_ID_INTEL_ADL_P_ID_5, 4000, 28000, 64000, 64000 }, - { PCI_DEVICE_ID_INTEL_ADL_P_ID_3, 5000, 45000, 115000, 115000 }, + { PCI_DEVICE_ID_INTEL_ADL_P_ID_7, 15, 3000, 15000, 55000, 55000 }, + { PCI_DEVICE_ID_INTEL_ADL_P_ID_6, 15, 3000, 15000, 55000, 55000 }, + { PCI_DEVICE_ID_INTEL_ADL_P_ID_5, 28, 4000, 28000, 64000, 64000 }, + { PCI_DEVICE_ID_INTEL_ADL_P_ID_3, 28, 4000, 28000, 64000, 64000 }, + { PCI_DEVICE_ID_INTEL_ADL_P_ID_3, 45, 5000, 45000, 115000, 115000 }, }; WEAK_DEV_PTR(dptf_policy); @@ -31,8 +33,10 @@ void variant_update_power_limits(void) uint16_t mchid = pci_s_read_config16(PCI_DEV(0, 0, 0), PCI_DEVICE_ID); + u8 tdp = get_cpu_tdp(); + for (size_t i = 0; i < ARRAY_SIZE(limits); i++) { - if (mchid == limits[i].mchid) { + if (mchid == limits[i].mchid && tdp == limits[i].cpu_tdp) { struct dptf_power_limits *settings = &config->controls.power_limits; settings->pl1.min_power = limits[i].pl1_min_power; settings->pl1.max_power = limits[i].pl1_max_power; |