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fix(cachyos): recommend SMU governor and correct sensor module

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- Replace oberon-governor with cyan-skillfish-governor-smu as recommended
  option (no kernel patch needed on CachyOS)
- Add TT governor as alternative requiring kernel patch
- Mark oberon-governor build-from-source as legacy option
- Fix sensor module from nct6687 to nct6683 with force=true
This commit is contained in:
Martin
2026-03-18 22:54:58 +01:00
parent 265e369823
commit bd958abc41
1 changed files with 22 additions and 10 deletions
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32
docs/linux/cachyos.md
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@@ -139,22 +139,33 @@ Install Arch Linux first, then migrate to CachyOS repositories for optimized pac
### Install GPU Governor
GPU is locked at 1500MHz without governor. CachyOS has COPR packages available.
GPU is locked at 1500MHz without governor.
**Method 1: Install from COPR (Easiest)**
**Method 1: SMU Governor from AUR (Recommended — No Kernel Patch Needed)**
```bash
# Add CachyOS extra repos if not already enabled
# Install oberon-governor
sudo pacman -S oberon-governor
# Install cyan-skillfish-governor-smu (bypasses kernel patches entirely)
yay -S cyan-skillfish-governor-smu
# Enable and start
sudo systemctl enable --now oberon-governor.service
sudo systemctl enable --now cyan-skillfish-governor-smu.service
# Verify
systemctl status oberon-governor
systemctl status cyan-skillfish-governor-smu
```
**Method 2: Build from source**
**Method 2: TT Governor from AUR (Requires Kernel Patch)**
```bash
# Install cyan-skillfish-governor-tt
yay -S cyan-skillfish-governor-tt
# Enable and start
sudo systemctl enable --now cyan-skillfish-governor-tt.service
# Verify
systemctl status cyan-skillfish-governor-tt
```
**Method 3: Build oberon-governor from source (legacy)**
```bash
# Install dependencies
sudo pacman -S base-devel cmake git
@@ -185,8 +196,9 @@ cat /sys/class/drm/card0/device/pp_dpm_sclk
# Install lm_sensors
sudo pacman -S lm_sensors
# Load nct6687 for PWM control
echo 'nct6687' | sudo tee /etc/modules-load.d/nct6687.conf
# Load nct6683 sensor module (requires force=true)
echo 'nct6683' | sudo tee /etc/modules-load.d/nct6683.conf
echo 'options nct6683 force=true' | sudo tee /etc/modprobe.d/sensors.conf
# Rebuild initramfs
sudo mkinitcpio -P