diff options
Diffstat (limited to 'src/mainboard/lenovo/t400')
| -rw-r--r-- | src/mainboard/lenovo/t400/cstates.c | 5 | ||||
| -rw-r--r-- | src/mainboard/lenovo/t400/devicetree.cb | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/src/mainboard/lenovo/t400/cstates.c b/src/mainboard/lenovo/t400/cstates.c index 3ce2ed1a81..175153ebd4 100644 --- a/src/mainboard/lenovo/t400/cstates.c +++ b/src/mainboard/lenovo/t400/cstates.c @@ -28,6 +28,11 @@ static acpi_cstate_t cst_entries[] = { 2, 0x01, 500, { ACPI_ADDRESS_SPACE_FIXED, 1, 2, { 1 }, 0x10, 0 } }, + { + /* acpi C3 / cpu C3 */ + 3, 0x37, 250, + { ACPI_ADDRESS_SPACE_FIXED, 1, 2, { 1 }, 0x20, 0 } + }, }; int get_cst_entries(acpi_cstate_t **entries) diff --git a/src/mainboard/lenovo/t400/devicetree.cb b/src/mainboard/lenovo/t400/devicetree.cb index 43a610ab5f..6bf25fab38 100644 --- a/src/mainboard/lenovo/t400/devicetree.cb +++ b/src/mainboard/lenovo/t400/devicetree.cb @@ -63,7 +63,7 @@ chip northbridge/intel/gm45 register "sata_traffic_monitor" = "0" # Set c-state support - register "c4onc3_enable" = "0" + register "c4onc3_enable" = "1" register "c5_enable" = "1" register "c6_enable" = "1" |