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authorCliff Huang <cliff.huang@intel.corp-partner.google.com>2022-03-10 14:27:01 -0800
committerFelix Held <felix-coreboot@felixheld.de>2022-03-18 15:39:33 +0000
commit2b19d547c0866fef84bdb7b226ce7a4ac81af64f (patch)
tree8eb22095bf09e30f4f199d5996b2d2bb14c83656 /src/drivers
parent8d296b1eba3323ac5ece086913c7b94c9d4f7b71 (diff)
mb/intel/adlrvp: Set EPP to 45% for all Adl RVP variants
This sets EPP value to be 45% for all Adl RVP variants. Historically, EPP Ratio has always been 50% (128) on Chrome platforms. But on Intel Alderlake EPP ratio of 45% is recommended for optimal power and performance on Chrome platforms. TEST= Use 'iotools rdmsr [cpu id] 0x774' command and check field 32:24 = 0x73. Signed-off-by: Cliff Huang <cliff.huang@intel.corp-partner.google.com> Change-Id: If83a2148d596efccd2e50cc82f1afcbfb9ebb935 Reviewed-on: https://review.coreboot.org/c/coreboot/+/62744 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Bora Guvendik <bora.guvendik@intel.com>
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