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authorTim Crawford <tcrawford@system76.com>2022-09-13 14:56:28 -0600
committerMartin Roth <martin.roth@amd.corp-partner.google.com>2022-10-11 16:35:39 +0000
commit8fdfa30255b3834adf314f68a5871c8a291b32a2 (patch)
tree25f19ccb8ddda04e06577a797b1e052c8ae9c2f2
parente086d149ce9de5d29f1b543a0e71ff61babb0144 (diff)
mb/system76: Set gfx register
Fixes brightness controls on Windows 10. Change-Id: I33ac1b5a17c95dbb1b166c38fcd639cdac439724 Signed-off-by: Tim Crawford <tcrawford@system76.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/67636 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jeremy Soller <jeremy@system76.com>
-rw-r--r--src/mainboard/system76/gaze16/devicetree.cb2
-rw-r--r--src/mainboard/system76/lemp9/devicetree.cb4
-rw-r--r--src/mainboard/system76/oryp8/devicetree.cb2
3 files changed, 7 insertions, 1 deletions
diff --git a/src/mainboard/system76/gaze16/devicetree.cb b/src/mainboard/system76/gaze16/devicetree.cb
index ec46554616..e26fe629b4 100644
--- a/src/mainboard/system76/gaze16/devicetree.cb
+++ b/src/mainboard/system76/gaze16/devicetree.cb
@@ -95,6 +95,8 @@ chip soc/intel/tigerlake
register "DdiPortBConfig" = "DDI_PORT_CFG_NO_LFP"
register "DdiPortBHpd" = "1"
register "DdiPortBDdc" = "1"
+
+ register "gfx" = "GMA_DEFAULT_PANEL(0)"
end
device ref dptf on end
device ref gna on end
diff --git a/src/mainboard/system76/lemp9/devicetree.cb b/src/mainboard/system76/lemp9/devicetree.cb
index 961a085c35..77ba265ea9 100644
--- a/src/mainboard/system76/lemp9/devicetree.cb
+++ b/src/mainboard/system76/lemp9/devicetree.cb
@@ -61,7 +61,9 @@ chip soc/intel/cannonlake
device domain 0 on
subsystemid 0x1558 0x1401 inherit
device pci 00.0 on end # Host Bridge
- device pci 02.0 on end # Integrated Graphics Device
+ device pci 02.0 on # Integrated Graphics Device
+ register "gfx" = "GMA_DEFAULT_PANEL(0)"
+ end
device pci 04.0 on # SA Thermal device
register "Device4Enable" = "1"
end
diff --git a/src/mainboard/system76/oryp8/devicetree.cb b/src/mainboard/system76/oryp8/devicetree.cb
index 4d55c346b7..01593cb081 100644
--- a/src/mainboard/system76/oryp8/devicetree.cb
+++ b/src/mainboard/system76/oryp8/devicetree.cb
@@ -108,6 +108,8 @@ chip soc/intel/tigerlake
register "DdiPortAConfig" = "DDI_PORT_CFG_EDP"
register "DdiPortAHpd" = "1"
register "DdiPortADdc" = "0"
+
+ register "gfx" = "GMA_DEFAULT_PANEL(0)"
end
device ref dptf on end
device ref peg0 on