Change in ...coreboot[master]: mb/google/kahlee/liara: Document why IOMMU is disabled

[Jonathan Neuschäfer (Code Review)]

Jonathan Neuschäfer has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/30166

Change subject: mb/google/kahlee/liara: Document why IOMMU is disabled
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mb/google/kahlee/liara: Document why IOMMU is disabled

Commit d80884ea5a ("mb/google/kahlee: Disable IOMMU") disabled the IOMMU
in all kahlee variants, but omitted the explaining comment only in
liara's devicetree.cb. Copy this comment to liara.

Change-Id: I564013a16217445003467e2a0579abd50597b205
Signed-off-by: Jonathan Neuschäfer 
---
M src/mainboard/google/kahlee/variants/liara/devicetree.cb
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/66/30166/1

diff --git a/src/mainboard/google/kahlee/variants/liara/devicetree.cb b/src/mainboard/google/kahlee/variants/liara/devicetree.cb
index eef984a..bc6c643 100644
--- a/src/mainboard/google/kahlee/variants/liara/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/liara/devicetree.cb
@@ -60,7 +60,7 @@
    end
    device domain 0 on
    	device pci 0.0 on  end # Root Complex
-		device pci 0.2 off end # IOMMU
+		device pci 0.2 off end # IOMMU (Disabled for performance and battery)
    	device pci 1.0 on  end # Internal Graphics P2P bridge 0x98e4
    	device pci 1.1 on  end # Internal Multimedia
    	device pci 2.0 on  end # PCIe Host Bridge