From 723591376e1900e9a26ce4781c59d5a3a6289a2c Mon Sep 17 00:00:00 2001 From: Maxim Polyakov Date: Thu, 3 Oct 2019 16:50:04 +0300 Subject: [PATCH] soc/skl/vr_config: fix GT Loadline for KBL-U/GT3 According to the documentation[1], the Loadline in the unslased GT VR domain should be 2 mOhms for KBL-U (2 Core, GT3 + OPC). [1] page 109, 7th Generation Intel(R) Processor Families for U/Y Platforms and 8th Generation Intel(R) Processor Family for U Quad Core and Y Dual Core Platforms. Datasheet, Volume 1. January 2019. Document Number: 334661-006 Change-Id: I433036e76d456a725ab27cf57c9bc2fe01a7ace1 Signed-off-by: Maxim Polyakov Reviewed-on: https://review.coreboot.org/c/coreboot/+/35781 Reviewed-by: Patrick Rudolph Tested-by: build bot (Jenkins) --- src/soc/intel/skylake/vr_config.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/soc/intel/skylake/vr_config.c b/src/soc/intel/skylake/vr_config.c index fc48558f2e..de5ad2ca5c 100644 --- a/src/soc/intel/skylake/vr_config.c +++ b/src/soc/intel/skylake/vr_config.c @@ -286,7 +286,7 @@ static uint16_t get_sku_ac_dc_loadline(const int domain) }; if (igd_id == PCI_DEVICE_ID_INTEL_SPT_LP_U_PREMIUM_HDCP22) { - loadline[VR_GT_UNSLICED] = VR_CFG_MOHMS(6); + loadline[VR_GT_UNSLICED] = VR_CFG_MOHMS(2); loadline[VR_GT_SLICED] = VR_CFG_MOHMS(6); }