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authorBora Guvendik <bora.guvendik@intel.com>2023-04-24 18:22:55 -0700
committerNick Vaccaro <nvaccaro@google.com>2023-07-13 01:06:09 +0000
commit3708f54bb58c9d7a61884cd263f4dfa569e5a14c (patch)
treef710468c0f17f655940eb67ad32a23b3654699a5 /src/soc/intel/alderlake
parent6e64c01d08a56b30c970d6a86466dc8dfb06d17e (diff)
soc/intel/alderlake: Disable hwp scalibility tracking
Disable scalability tracking for autonomous frequency control in order to improve power and performance. BUG=b:280021171 TEST=Boot to OS on brya0 Signed-off-by: Bora Guvendik <bora.guvendik@intel.com> Change-Id: If71ee5374c67611b32691bbec4effdf828b3e566 Reviewed-on: https://review.coreboot.org/c/coreboot/+/74723 Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
Diffstat (limited to 'src/soc/intel/alderlake')
-rw-r--r--src/soc/intel/alderlake/chipset.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/soc/intel/alderlake/chipset.cb b/src/soc/intel/alderlake/chipset.cb
index 5d717b8e54..0ab7c8a87a 100644
--- a/src/soc/intel/alderlake/chipset.cb
+++ b/src/soc/intel/alderlake/chipset.cb
@@ -96,6 +96,9 @@ chip soc/intel/alderlake
# Disable SaGV reordering operation to start with SaGV point 4 and reduce boot time.
register "disable_sagv_reorder" = "true"
+ # Disable hwp scalability tracking.
+ register "enable_hwp_scalability_tracking" = "false"
+
# NOTE: if any variant wants to override this value, use the same format
# as register "common_soc_config.pch_thermal_trip" = "value", instead of
# putting it under register "common_soc_config" in overridetree.cb file.