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| author | Mark Hasemeyer <markhas@google.com> | 2023-05-09 23:19:05 -0600 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-05-22 12:43:56 +0000 |
| commit | 4c967471383ab18895c4a25615b75a6aba15686f (patch) | |
| tree | a4abaf71f027d776fea112f59fbe30d1cb6b48f5 /src/mainboard/google/skyrim/variants/baseboard | |
| parent | bfe2cd402d30e7eb7b82f3f4c7d096dcffe2c5b1 (diff) | |
| download | coreboot-4c967471383ab18895c4a25615b75a6aba15686f.tar.gz coreboot-4c967471383ab18895c4a25615b75a6aba15686f.tar.bz2 coreboot-4c967471383ab18895c4a25615b75a6aba15686f.zip | |
mb/google/skyrim: Enable DmaProperty on WLAN device
Set the DmaProperty in the device's _DSD so that the OS can treat the
device as untrusted.
BUG=b:278310256
TEST=cat /sys/bus/pci/devices/<wifi>/untrusted == 1
iperf3 -c <iperf3-server> -t 60 (No performance regressions seen)
Change-Id: I06369a19afa5b881b26f5c1eb243e2db41a9bb36
Signed-off-by: Mark Hasemeyer <markhas@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75095
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Diffstat (limited to 'src/mainboard/google/skyrim/variants/baseboard')
| -rw-r--r-- | src/mainboard/google/skyrim/variants/baseboard/devicetree.cb | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb index f863197e9e9e..d0d60bd539f5 100644 --- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb @@ -94,6 +94,7 @@ chip soc/amd/mendocino chip drivers/pcie/generic register "wake_gpe" = "GEVENT_8" register "wake_deepest" = "ACPI_S0" + register "add_acpi_dma_property" = "true" register "name" = ""WLAN"" device pci 00.0 on end end |