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google-sargo: stop HexagonRPCD on suspend (MR 5400)

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There is a bug in FastRPC when waking from suspend. Since HexagonRPCD is
currently only useful for a few moments when the ADSP is requesting the
sensor registry, it can just be stopped without affecting sensor
support. Add a pre-suspend hook to stop HexagonRPCD so it doesn't crash
the ADSP when the device wakes up.

[ci:skip-build]: already built successfully in CI
This commit is contained in:
Richard Acayan 2024-07-30 16:03:21 -04:00
parent 143efc60f2
commit fe00027849
No known key found for this signature in database
GPG key ID: 7A342565FF635F79
2 changed files with 17 additions and 2 deletions
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10
device/testing/device-google-sargo/APKBUILD
View file

@ -2,8 +2,8 @@
# Maintainer: Richard Acayan <mailingradian@gmail.com>
pkgname=device-google-sargo
pkgdesc="Google Pixel 3a"
pkgver=4
pkgrel=1
pkgver=5
pkgrel=0
url="https://postmarketos.org"
license="MIT"
arch="aarch64"
@ -25,6 +25,7 @@ source="
deviceinfo
hexagonrpcd-adsp-sensorspd.confd
modules-initfs
no-hexagonrpcd-on-suspend.sh
q6voiced.conf
"
subpackages="$pkgname-nonfree-firmware:nonfree_firmware"
@ -71,6 +72,10 @@ nonfree_firmware() {
# Sensors depend on ADSP firmware and the sensors registry served over FastRPC.
install -Dm644 "$srcdir"/81-libssc-google-sargo.rules \
"$subpkgdir"/usr/lib/udev/rules.d/81-libssc-google-sargo.rules
# The FastRPC service is only enabled when non-free firmware is installed.
install -Dm755 "$srcdir"/no-hexagonrpcd-on-suspend.sh \
"$subpkgdir"/etc/elogind/system-sleep/no-hexagonrpcd-on-suspend.sh
}
sha512sums="
@ -80,5 +85,6 @@ f700af3145b79d1ef9edfb22982899b25cabfb212f9620dcbd3a2e6f44b5ad591e0a66056c6fcd66
8af19da4e4a4a59c49263722065229fae849c3273af313300b7ea1b8fe008c6e55cfd060b91909306dd600134e2494f740adda245707dbcff84b1ab2f37dbde7 deviceinfo
b6208c254b6e44ac4f6d748a38cc6b05da0db2c90235ada2011b138b82ccc3372687df2f5ad97e885e9eea135216a3c52266a08a7f4eb323e62e799f6f82ec7b hexagonrpcd-adsp-sensorspd.confd
3213a3586c25cef843a47e2446179ff73acad6421826a64bedb6b9800d30673503d0ea6b3fcc8cfbdcdcaf0926755a489323fce9d14d4411799e6988144b3518 modules-initfs
2972005a9cf6ca57061965075593dddfa8ee479bc6c21cd41851b1a14768cb1cddbd31a17975ae17adc36d40d294ccbc6bf83defbd69fc7b363f638d8564fbbc no-hexagonrpcd-on-suspend.sh
7f599f086dba97ac39ce98798969bc8e9c26dd3b062bb8f95852182df52814b70d49b701e27b43abeb3639b16ba053e416c14cf75e0bf4a9f2fe7c01fb0ac41c q6voiced.conf
"

9
device/testing/device-google-sargo/no-hexagonrpcd-on-suspend.sh Normal file
View file

@ -0,0 +1,9 @@
#!/bin/sh
if [ "$1" = "pre" ]
then
# If HexagonRPCD listens for a remote method call while the device is
# waking up, the DSP may crash. Assume that HexagonRPCD has fulfilled
# all incoming remote method invocations, and stop it.
rc-service hexagonrpcd-adsp-sensorspd stop
fi