Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4172
-gerrit
commit 38875c350e642a7b26281736d4c487cae5d5c77e Author: Aaron Durbin adurbin@chromium.org Date: Wed May 15 17:02:23 2013 -0700
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 adurbin@chromium.org Reviewed-on: https://gerrit.chromium.org/gerrit/51472 --- 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 143147f..29c4763 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