Matt DeVillier has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30566
Change subject: samsung/lumpy: add cpu/gpu pwm backlight register values ......................................................................
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 --- M src/mainboard/samsung/lumpy/devicetree.cb 1 file changed, 4 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/66/30566/1
diff --git a/src/mainboard/samsung/lumpy/devicetree.cb b/src/mainboard/samsung/lumpy/devicetree.cb index 0362b2c..dcf2c12 100644 --- a/src/mainboard/samsung/lumpy/devicetree.cb +++ b/src/mainboard/samsung/lumpy/devicetree.cb @@ -14,6 +14,10 @@ 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" = "0x03d003d0" + register "gpu_pch_backlight" = "0x03d003d0" + register "max_mem_clock_mhz" = "666"
device cpu_cluster 0 on