notes:kernel_parameters
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notes:kernel_parameters [2022/09/02 09:41] – created Sean Rhone | notes:kernel_parameters [2024/01/24 11:02] – [i915] Sean Rhone | ||
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====== General ====== | ====== General ====== | ||
- | ===== IOMMU ===== | + | ===== Low-Latency |
- | | + | **** |
- | | + | |
- | | + | |
- | iommu=pt | + | ===== OSI ===== |
- | ===== NVMe ===== | + | * https:// |
+ | * https:// | ||
- | | + | |
- | * :!: Using '' | + | |
- | | + | |
- | nvme.poll_queues=16 | + | ===== Modern Standby ===== |
- | ==== Verify ==== | + | * https:// |
- | | + | |
- | cat '/ | + | ===== IOMMU ===== |
- | ====== NVIDIA ====== | + | * :!: '' |
- | ===== PAT ===== | + | iommu=' |
- | * TODO: Find information about this | + | ===== PCI ===== |
- | sudo grubby --update-kernel=' | + | **** |
- | | + | |
- | ===== GSP ===== | + | ===== Interrupt Remapping |
- | | + | **** |
- | | + | |
- | | + | |
- | | + | |
- | * :!: 2022/07/20 515.57: This doesn' | + | |
- | | + | |
- | nvidia.NVreg_EnableGpuFirmware=1' | + | ===== Custom Resolution ===== |
- | ==== Verify ==== | + | * 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 '' | ||
+ | * '' | ||
- | **** | + | video=' |
- | nvidia-smi -q | grep 'GSP' | + | ====== AMD ====== |
+ | |||
+ | ===== Memory Encryption ===== | ||
+ | |||
+ | * https:// | ||
+ | * :!: Requires CPU SVM to be enabled in BIOS ((AMDGPU will likely panic on-boot if '' | ||
+ | * Disable TSME in BIOS if using this | ||
+ | |||
+ | mem_encrypt='on' | ||
====== AMDGPU ====== | ====== AMDGPU ====== | ||
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* Allows use of Overdrive options for overclocking and increasing the Power Limit | * Allows use of Overdrive options for overclocking and increasing the Power Limit | ||
+ | * See [[https:// | ||
+ | * :!: '' | ||
- | sudo grubby --args=' | + | sudo grubby --args=' |
- | amdgpu.ppfeaturemask=0xffffffff | + | amdgpu.ppfeaturemask=0xfff7ffff |
==== Verify ==== | ==== Verify ==== | ||
Line 67: | Line 74: | ||
**** | **** | ||
- | cat '/ | + | cat '/ |
+ | |||
+ | ====== Intel ====== | ||
+ | |||
+ | ===== i915 ===== | ||
+ | |||
+ | **** | ||
+ | |||
+ | i915.enable_fbc=' | ||
+ | |||
+ | ===== IOMMU ===== | ||
+ | |||
+ | * TODO: HSI? | ||
+ | |||
+ | intel_iommu=' | ||
+ | |||
+ | ===== Firmware ===== | ||
+ | |||
+ | * This enables GuC and HuC firmware loading ((do this even if unsure because seemingly not even Intel is aware of how certain hardware pre-12th-gen/ | ||
+ | |||
+ | i915.enable_guc=' | ||
+ | |||
+ | ====== NVIDIA ====== | ||
+ | |||
+ | ===== Open Module ===== | ||
+ | |||
+ | ==== Blacklist nouveau ==== | ||
+ | |||
+ | **** | ||
+ | |||
+ | modprobe.blacklist=' | ||
+ | |||
+ | ==== Allow Unsupported GPUs ==== | ||
+ | |||
+ | * https:// | ||
+ | |||
+ | nvidia.NVreg_OpenRmEnableUnsupportedGpus=' | ||
+ | |||
+ | ==== Enable nvidia-modeset ==== | ||
+ | |||
+ | **** | ||
+ | |||
+ | nvidia-drm.modeset=' | ||
+ | |||
+ | ===== PAT ===== | ||
+ | |||
+ | * 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 'GSP' | ||
+ | |||
+ | ====== CORSAIR ====== | ||
+ | |||
+ | * https:// | ||
+ | * :!: Seemingly only needed with the mouse plugged directly to the motherboard, | ||
+ | |||
+ | usbcore.quirks=' | ||
====== Coreboot ====== | ====== Coreboot ====== | ||
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* :!: This should be removed after flashing | * :!: This should be removed after flashing | ||
- | | + | |
- | + | ||
- | iomem=relaxed | + | |
/var/www/wiki/data/pages/notes/kernel_parameters.txt · Last modified: 2024/05/18 00:23 by Sean Rhone