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-rw-r--r--src/mainboard/starlabs/lite/variants/glk/devicetree.cb2
-rw-r--r--src/mainboard/starlabs/lite/variants/glkr/devicetree.cb2
2 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/starlabs/lite/variants/glk/devicetree.cb b/src/mainboard/starlabs/lite/variants/glk/devicetree.cb
index e44896f386..bc878ef796 100644
--- a/src/mainboard/starlabs/lite/variants/glk/devicetree.cb
+++ b/src/mainboard/starlabs/lite/variants/glk/devicetree.cb
@@ -25,6 +25,8 @@ chip soc/intel/apollolake
register "hdaudio_pwr_gate_enable" = "1"
register "hdaudio_bios_config_lockdown" = "1"
+ register "enhanced_cstates" = "1"
+
register "pnp_settings" = "PNP_PERF_POWER"
register "ModPhyIfValue" = "0x12"
diff --git a/src/mainboard/starlabs/lite/variants/glkr/devicetree.cb b/src/mainboard/starlabs/lite/variants/glkr/devicetree.cb
index 5cfcb4033d..ca6ce1c6ad 100644
--- a/src/mainboard/starlabs/lite/variants/glkr/devicetree.cb
+++ b/src/mainboard/starlabs/lite/variants/glkr/devicetree.cb
@@ -25,6 +25,8 @@ chip soc/intel/apollolake
register "hdaudio_pwr_gate_enable" = "1"
register "hdaudio_bios_config_lockdown" = "1"
+ register "enhanced_cstates" = "1"
+
register "pnp_settings" = "PNP_PERF_POWER"
register "ModPhyIfValue" = "0x12"