the following patch was just integrated into master: commit 79cfcde4589f4ab07a721c509b9fa59060e091cc Author: Pratik Prajapati pratikkumar.v.prajapati@intel.com Date: Tue Mar 8 12:34:06 2016 -0800
intel/skylake: Enable PROCHOT
This patch would enable PROCHOT feature in skylake. Asserting PROCHOT line would throttle the GPU/CPU.
BUG=chrome-os-partner:51142 BRANCH=glados TEST=manually tested on lars. asserting PROCTHOT by EC reduces FSP in fish-tank from approx 40 to 20. (50 fish setting), also CPU freq. drops to from 1600000 to 400000
Change-Id: I8fc0c015ea2c26d20bbbfc619f720f231d540feb Signed-off-by: Patrick Georgi pgeorgi@chromium.org Original-Commit-Id: 1b88b1f183df9c7362d7e58acb0a1fa0b076d56e Original-Change-Id: Ida8636efc3d8da56ebd3931144d31ab1b88fe806 Original-Signed-off-by: Pratik Prajapati pratikkumar.v.prajapati@intel.com Original-Reviewed-on: https://chromium-review.googlesource.com/331690 Original-Reviewed-by: Duncan Laurie dlaurie@chromium.org Original-(cherry picked from commit d091a999c3827179182b62a1274a9b3581f7f006) Original-Reviewed-on: https://chromium-review.googlesource.com/333073 Original-Commit-Ready: Pratikkumar V Prajapati pratikkumar.v.prajapati@intel.com Original-Tested-by: Pratikkumar V Prajapati pratikkumar.v.prajapati@intel.com Original-Reviewed-by: Pratikkumar V Prajapati pratikkumar.v.prajapati@intel.com Reviewed-on: https://review.coreboot.org/14120 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth martinroth@google.com
See https://review.coreboot.org/14120 for details.
-gerrit