mb/51nb/x210: add libgfxinit support
Derived from x210_test branch of HarryKipper's repo:
https://github.com/harrykipper/coreboot
Test: build/boot x210, test eDP, MiniDP, VGA outputs
Change-Id: Ie2b79b236a458ebd243c992d6e615e41930eeb50
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39106
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/mainboard/51nb/x210/devicetree.cb b/src/mainboard/51nb/x210/devicetree.cb
index 7ee3b2c..6bfbe1d 100644
--- a/src/mainboard/51nb/x210/devicetree.cb
+++ b/src/mainboard/51nb/x210/devicetree.cb
@@ -1,5 +1,12 @@
chip soc/intel/skylake
+ # Enable Panel as eDP and configure power delays
+ register "gpu_pp_up_delay_ms" = "210" # T3
+ register "gpu_pp_down_delay_ms" = "500" # T10
+ register "gpu_pp_cycle_delay_ms" = "5000" # T12
+ register "gpu_pp_backlight_on_delay_ms" = "1" # T7
+ register "gpu_pp_backlight_off_delay_ms" = "200" # T9
+
# Enable deep Sx states
register "deep_s3_enable_ac" = "1"
register "deep_s3_enable_dc" = "1"