From a54adc1bc78a4caa814be8e5a69d48e1f181952a Mon Sep 17 00:00:00 2001 From: Aaron Durbin Date: Wed, 15 May 2013 17:02:23 -0700 Subject: [PATCH] slippy: set PWM values The dev screen was not displaying properly. With the PWM values programmed the screen displays correctly. Change-Id: I82b56a92e4168022082a2e519026977ee2ae0c9e Signed-off-by: Aaron Durbin Reviewed-on: https://gerrit.chromium.org/gerrit/51472 Reviewed-on: http://review.coreboot.org/4172 Tested-by: build bot (Jenkins) Reviewed-by: Alexandru Gagniuc --- src/mainboard/google/slippy/devicetree.cb | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/mainboard/google/slippy/devicetree.cb b/src/mainboard/google/slippy/devicetree.cb index 143147fd6d..29c4763006 100644 --- a/src/mainboard/google/slippy/devicetree.cb +++ b/src/mainboard/google/slippy/devicetree.cb @@ -9,6 +9,10 @@ chip northbridge/intel/haswell # Enable HDMI Hotplug with 6ms pulse register "gpu_dp_b_hotplug" = "0x06" + # Set backlight PWM values for eDP + register "gpu_cpu_backlight" = "0x00000200" + register "gpu_pch_backlight" = "0x04000000" + device cpu_cluster 0 on chip cpu/intel/socket_rPGA989 device lapic 0 on end