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>
This commit is contained in:
Jonathan Neuschäfer 2018-12-11 15:16:28 +01:00 committed by Patrick Georgi
parent 1fb7dd076f
commit 74427cc554
1 changed files with 1 additions and 1 deletions

View File

@ -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