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-rw-r--r--src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb4
-rw-r--r--src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb4
2 files changed, 8 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb
index 3f75b709da..aace5adcf4 100644
--- a/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb
@@ -65,6 +65,10 @@ chip soc/intel/meteorlake
register "sagv_freq_mhz[3]" = "6400"
register "sagv_gear[3]" = "4"
+ # set EPP to 45%: 45 * 256/100 = 115 = 0x73
+ register "enable_energy_perf_pref" = "true"
+ register "energy_perf_pref_value" = "0x73"
+
# Set on-board graphics as primary display
register "skip_ext_gfx_scan" = "1"
diff --git a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
index 162bb64a47..9f868406a1 100644
--- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
@@ -62,6 +62,10 @@ chip soc/intel/meteorlake
register "sagv_freq_mhz[3]" = "6400"
register "sagv_gear[3]" = "4"
+ # set EPP to 45%: 45 * 256/100 = 115 = 0x73
+ register "enable_energy_perf_pref" = "true"
+ register "energy_perf_pref_value" = "0x73"
+
# Set on-board graphics as primary display
register "skip_ext_gfx_scan" = "1"