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-rw-r--r--src/mainboard/lenovo/t400/devicetree.cb5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/t400/devicetree.cb b/src/mainboard/lenovo/t400/devicetree.cb
index 9561dfa93f..0eea193a13 100644
--- a/src/mainboard/lenovo/t400/devicetree.cb
+++ b/src/mainboard/lenovo/t400/devicetree.cb
@@ -3,6 +3,11 @@ chip northbridge/intel/gm45
register "gfx.ndid" = "3"
register "gfx.did" = "{ 0x80000100, 0x80000240, 0x80000410, 0x80000410, 0x00000005 }"
+ register "gpu_panel_power_up_delay" = "250" # T1+T2: 25ms
+ register "gpu_panel_power_down_delay" = "250" # T3: 25ms
+ register "gpu_panel_power_backlight_on_delay" = "2500" # T5: 250ms
+ register "gpu_panel_power_backlight_off_delay" = "2500" # Tx: 250ms
+ register "gpu_panel_power_cycle_delay" = "3" # T4: 200ms
register "gfx.use_spread_spectrum_clock" = "1"
device cpu_cluster 0 on