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authorJonathan Neuschäfer <j.neuschaefer@gmx.net>2018-12-11 15:16:28 +0100
committerPatrick Georgi <pgeorgi@google.com>2018-12-18 13:27:02 +0000
commit74427cc554ec5f8b0631d0cdb789f193a62a343f (patch)
tree1279935a4b42d558de1f80bf36bd6356a04bb0d0 /src/mainboard
parent1fb7dd076fa93eee6d688de595ecd83fa20242fe (diff)
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 <j.neuschaefer@gmx.net> Reviewed-on: https://review.coreboot.org/c/30166 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/kahlee/variants/liara/devicetree.cb2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/google/kahlee/variants/liara/devicetree.cb b/src/mainboard/google/kahlee/variants/liara/devicetree.cb
index eef984a6d7..bc6c6434e4 100644
--- a/src/mainboard/google/kahlee/variants/liara/devicetree.cb
+++ b/src/mainboard/google/kahlee/variants/liara/devicetree.cb
@@ -60,7 +60,7 @@ chip soc/amd/stoneyridge
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