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| author | Matt DeVillier <matt.devillier@gmail.com> | 2018-12-31 15:07:42 -0600 |
|---|---|---|
| committer | Nico Huber <nico.h@gmx.de> | 2019-01-08 22:36:21 +0000 |
| commit | eaea9c987ccb00a60f8ca4c4332deb72c3761a70 (patch) | |
| tree | 463d5a17c8616e3ed36564a98b2eacd1cab93932 | |
| parent | e55e61f88929cc51950817c5769993c7a7e5d9df (diff) | |
| download | coreboot-eaea9c987ccb00a60f8ca4c4332deb72c3761a70.tar.xz | |
samsung/lumpy: add cpu/gpu pwm backlight register values
Required for functional internal display on lumpy using
libgfxinit or Tianocore GOP driver
Test: boot/build lumpy, verify internal display functional
prior to OS driver loading.
Change-Id: If62a4ae58082548e8a645d1a2de40705bdd2946e
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30566
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
| -rw-r--r-- | src/mainboard/samsung/lumpy/devicetree.cb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/samsung/lumpy/devicetree.cb b/src/mainboard/samsung/lumpy/devicetree.cb index 0362b2c6cd..b34d024d4d 100644 --- a/src/mainboard/samsung/lumpy/devicetree.cb +++ b/src/mainboard/samsung/lumpy/devicetree.cb @@ -14,6 +14,10 @@ chip northbridge/intel/sandybridge register "gpu_panel_power_backlight_on_delay" = "2100" # T5: 210ms register "gpu_panel_power_backlight_off_delay" = "2100" # TD: 210ms + # Set backlight PWM values + register "gpu_cpu_backlight" = "0x000001e8" + register "gpu_pch_backlight" = "0x03d00000" + register "max_mem_clock_mhz" = "666" device cpu_cluster 0 on |