notes:kernel_parameters
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
notes:kernel_parameters [2019/11/30 22:02] – Sean Rhone | notes:kernel_parameters [2024/01/24 11:02] – [i915] Sean Rhone | ||
---|---|---|---|
Line 1: | Line 1: | ||
- | ====== | + | ====== |
- | * Kernel parameters that were useful at some point in time | + | ===== Low-Latency ===== |
- | ====== Kernel Options ====== | + | **** |
- | ===== blk_mq ===== | + | preempt=' |
- | * I think the kernel at some point removed non-blk schedulers, so this isn't necessary | + | ===== OSI ===== |
- | | + | |
+ | * https:// | ||
- | ===== Corsair USB Quirks ===== | + | acpi_osi=' |
- | | + | |
- | usbcore.quirks=1b1c: | + | ===== Modern Standby ===== |
- | ===== Blacklist Watchdogs ===== | + | * https:// |
- | | + | |
- | * '' | + | |
- | * '' | + | |
- | * Apparently this reduces power usage slightly | + | |
- | modprobe.blacklist=iTCO_wdt, | + | ===== IOMMU ===== |
- | ===== Microcode and Security Patches ===== | + | * :!: '' |
- | | + | |
- | mitigations=off | + | ===== PCI ===== |
- | ===== Modern Standby ===== | + | **** |
- | | + | |
- | * On a Dell XPS 13 9360, this used to be required, but the default '' | + | |
- | mem_sleep_default=s2idle | + | ===== Interrupt Remapping ===== |
- | ===== dyntick-idle Disable ===== | + | **** |
- | | + | |
- | nohz=on | + | ===== Custom Resolution ===== |
- | ===== intel_iommu ===== | + | * For an Acer S271H7 even though it can do 75Hz, this option sets one of the display timings too-high and 75Hz can't be reduced-blanked here; 74Hz is close enough |
+ | * Necessary for Wayland, and also seemingly works as an alternative to '' | ||
+ | * '' | ||
- | | + | |
- | intel_iommu=on | + | ====== AMD ====== |
- | ===== i915 ===== | + | ===== Memory Encryption |
- | ==== Safe ==== | + | * https:// |
+ | * :!: Requires CPU SVM to be enabled in BIOS ((AMDGPU will likely panic on-boot if '' | ||
+ | * Disable TSME in BIOS if using this | ||
- | | + | |
- | i915.fastboot=1 | + | ====== AMDGPU ====== |
- | ==== Hardware-specific | + | ===== Overclocking ===== |
- | * GuC firmware loading/ | + | * Allows use of Overdrive options for overclocking and increasing the Power Limit |
- | * :!: TODO: Figure out how to test PSR | + | |
+ | * :!: '' | ||
- | | + | |
- | | + | |
- | ===== radeon ===== | + | ==== Verify |
**** | **** | ||
- | | + | |
- | ===== Backlight | + | ====== Intel ====== |
- | * https:// | + | ===== i915 ===== |
- | * This prevents systemd from restoring previous backlight value on reboot | + | |
- | * This is necessary for [[# | + | |
- | systemd.restore_state=0 | + | **** |
- | ===== DRM Debug ===== | + | i915.enable_fbc=' |
- | * :!: This may make lower-end machines become very unresponsive; | + | ===== IOMMU ===== |
- | | + | |
- | ===== amdgpu ===== | + | intel_iommu=' |
- | * Allows use of Overdrive options for overclocking | + | ===== Firmware ===== |
- | | + | |
- | ==== Verify | + | i915.enable_guc=' |
+ | |||
+ | ====== NVIDIA ====== | ||
+ | |||
+ | ===== Open Module ===== | ||
+ | |||
+ | ==== Blacklist nouveau | ||
**** | **** | ||
- | | + | |
- | ===== PCI ===== | + | ==== Allow Unsupported GPUs ==== |
- | * May be useful for eGPU and Thunderbolt limits on Macs | + | * https:// |
- | | + | |
- | ===== Reboot ===== | + | ==== Enable nvidia-modeset |
- | | + | **** |
- | | + | |
- | | + | |
- | | + | |
- | reboot=efi | + | ===== PAT ===== |
- | ===== Custom Resolution | + | * TODO: Find information about this |
+ | |||
+ | nvidia.NVreg_UsePageAttributeTable=' | ||
+ | |||
+ | ===== GSP ===== | ||
+ | |||
+ | * https:// | ||
+ | * Allows loading of GSP firmware | ||
+ | * This doesn' | ||
+ | * :!: 2022/07/20 515.57: this caused AoE2:DE to crash GNOME on-startup | ||
+ | |||
+ | nvidia.NVreg_EnableGpuFirmware=' | ||
+ | |||
+ | ==== Verify ==== | ||
+ | |||
+ | **** | ||
+ | |||
+ | nvidia-smi -q | grep ' | ||
+ | |||
+ | ====== CORSAIR ====== | ||
+ | |||
+ | * https:// | ||
+ | * :!: Seemingly only needed with the mouse plugged directly to the motherboard, | ||
+ | |||
+ | usbcore.quirks=' | ||
+ | |||
+ | ====== Coreboot ====== | ||
+ | |||
+ | ===== Flashing | ||
- | * https:// | + | * This is needed |
- | * :!: This seems to only work on Wayland | + | * :!: This should be removed after flashing |
- | * :!: On Nightwane, using the refresh rate '' | + | |
- | | + | |
- | video=HDMI-A-1: |
/var/www/wiki/data/pages/notes/kernel_parameters.txt · Last modified: 2024/04/29 17:12 by Sean Rhone