[coreboot-gerrit] Patch set updated for coreboot: 38875c3 slippy: set PWM values

Stefan Reinauer (stefan.reinauer@coreboot.org) gerrit at coreboot.org
Wed Nov 20 01:11:13 CET 2013

Stefan Reinauer (stefan.reinauer at coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4172


commit 38875c350e642a7b26281736d4c487cae5d5c77e
Author: Aaron Durbin <adurbin at 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 at 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

More information about the coreboot-gerrit mailing list