Add MSI Titan GT77HX driver wiring and Cooler Boost after 30s sustained 85C

[andyholst]

Summary

Single commit 1d4815f3, rebased on upstream quattro. Closes #11583.

On MSI Titan GT77HX 13VI (and other MSI laptop families), Omarchy now:

1. Installs and configures required hardware drivers
2. Enables Cooler Boost only after CPU/GPU stay at or above 85C for more than 30 seconds, via a systemd watcher

Silent/auto EC fan curves never flip the Cooler Boost flag at any temperature. CoolerControl cannot PWM these fans (RPM-only), so the watcher flips the flag itself. Verified live on a GT77HX 13VI: the EC cooler_boost flag flips off -> on after 30s of sustained >=85C, and all four EC fans ramp to ~4,900 RPM.

Hardware

Component	Detail
Model	MSI Titan GT77HX 13VI
CPU	Intel i9-13980HX (24C/32T)
GPU	NVIDIA RTX 4090 Laptop (AD103M) — hybrid Optimus
Ethernet	Killer E3000 (RTL8125B, 2.5GbE)
WiFi	Intel Wi-Fi 6E (CNVi, not replaceable)
EC	MSI EC via msi-ec-dkms-git
Boot	Limine (UKI), not GRUB

What's Added

Detection Scripts (bin/)

• omarchy-hw-msi — reads DMI IDs from $OMARCHY_DMI_ID_PATH (test stub) or /sys/class/dmi/id. Matches vendor "Micro-Star International Co., Ltd." + 14 laptop family names (Titan, Stealth, Raider, Vector, Crosshair, Summit, Creator, Modern, Katana, Cyborg, Pulse, Bravo, Alpha, Prestige). Exits 0 on MSI laptop, 1 otherwise. Exits 1 on desktop boards (MEG, MAG, MPG families without laptop markers).
• omarchy-hw-msi-titan — hidden, narrow check for "Titan GT77HX" specifically. Gates the cooler boost watcher.

Install Script (install/hardware/msi.sh)

Runs from install/hardware/all.sh when omarchy-hw-msi returns 0.

1. RTL8125B Ethernet — scans PCI devices via sysfs (OMARCHY_PCI_DEVICES_PATH) for vendor 0x10ec / device 0x8125 (avoids lspci which wakes suspended GPUs on hybrid laptops — see PR Avoid lspci in favor of sysfs #11259). Installs r8125-dkms and blacklists r8169 only when r8125 is actually loaded.
2. msi-ec-dkms-git — enables EC sysfs (/sys/devices/platform/msi-ec) for Cooler Boost, fan curves, battery thresholds.
3. CoolerControl — replaces thermald for fan management.
4. Battery thresholds — start 60%, end 80% via msi-ec sysfs.
5. nvidia-settings — NVIDIA DPMS config.

Cooler Boost Watcher (bin/omarchy-msi-cooler-boost-watch)

• Daemon that polls msi-ec CPU/GPU temperature every 5s
• ON only after CPU or GPU has been at or above 85C for more than 30 seconds — a short spike does not trigger it, and the sustain counter resets on any dip below 85C
• OFF when both are at or below 70C
• Hysteresis between the two thresholds prevents rapid toggling
• CLI supports --once (single check), --decide <state> <cpu> <gpu> (unit-testable decision function)
• Exits cleanly on non-Titan hardware

Systemd Unit (default/systemd/system/omarchy-msi-cooler-boost-watch.service)

• Starts after multi-user.target
• ConditionPathExists=/sys/devices/platform/msi-ec/cooler_boost — only on systems with msi-ec loaded
• Env: MSI_COOLER_BOOST_ON_AT=85, MSI_COOLER_BOOST_OFF_AT=70, MSI_COOLER_BOOST_SUSTAIN=30, MSI_COOLER_BOOST_INTERVAL=5
• Auto-restarts on failure

Tests (test/shell.d/)

• hw-msi-test.sh (181 lines) — DMI detection across the 14 families, edge cases (family-only/name-only), office desktops rejected, install-script assertions, systemd unit thresholds
• msi-cooler-boost-test.sh (167 lines) — decision logic (84C stays off, 85C turns on, 70C turns off, hysteresis, garbage temps), sustained-trigger behavior (6 polls at 86C do not enable; the 7th does; exactly 85C counts; the counter resets on a dip), non-Titan hardware exits without touching the EC, unit thresholds

What's NOT in This PR

• RGB support — The Titan GT77HX uses a Cherry MX mechanical keyboard that msi-perkeyrgb does NOT support. The tool exits 0 but produces no lighting. RGB was explicitly removed from scope (see issue comments). If re-added, it must clearly state which models it works on (e.g., GE63/GE73 with 1038:1122).
• MSI desktop boards — omarchy-hw-msi explicitly excludes MEG/MAG/MPG boards that lack laptop family markers in product_family/product_name.
• Other MSI laptop families — Cooler Boost watcher is Titan GT77HX-only. Other MSI families (Stealth, Raider, etc.) get driver packaging only.

Testing

bash test/shell.d/msi-cooler-boost-test.sh   # 27 assertions — all pass
bash test/shell.d/hw-msi-test.sh             # 45 assertions — all pass

Verified on real GT77HX 13VI hardware (2026-09-16), 32-thread sustained load:

Event	Time	Detail
First >=85C	t+13s	CPU 85C+ under load
Cooler Boost ON	t+44s	31s of sustained >=85C (7 consecutive 5s polls); journal: cooler_boost off -> on (cpu=91C gpu=51C)
Fan response	—	all four EC fans ~2,100 -> ~4,900 RPM (hwmon msi_wmi_platform)
Cooler Boost OFF	t+74s	first poll at/under 70C during cooldown; journal: cooler_boost on -> off (cpu=63C)

Service active + enabled; omarchy-hw-msi and omarchy-hw-msi-titan both exit 0 on this hardware; r8125 loaded with r8169 blacklisted; coolercontrold running with thermald disabled.

Detection for other MSI families (Stealth, Raider, etc.) and non-MSI rejection is covered by the stubbed DMI tests only — no other hardware was available to verify physically.

Related

• Issue MSI Titan GT77HX: driver packaging and Cooler Boost at 85C #11583
• PR Avoid lspci in favor of sysfs #11259 (sysfs reads instead of lspci)