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notes:kernel_parameters

Information

  • Kernel parameters that were useful at some point in time

Kernel Options

Microcode and Security Patches

spectre_v2=off nopti

Corsair USB Quirks

Modern Standby

  • Use S0 to suspend and wake quickly on supported systems
  • On a Dell XPS 13 9360, this used to be required, but the default deep option also works
mem_sleep_default=s2idle

i915

  • GuC firmware loading/submission requires PAVP to be enabled in BIOS
  • enable_guc nor enable_psr work on a Lenovo T500 ThinkPad
i915.enable_psr=1 i915.enable_guc=3

radeon

radeon.deep_color=1

Backlight

systemd.restore_state=0

DRM Debug

  • :!: This may make lower-end machines become very unresponsive; be prepared to have some safe way of rebooting
drm.debug=0xe

Custom Resolution

for p in /sys/class/drm/*/status; do con=${p%/status}; echo -n "${con#*/card?-}: "; cat $p; done
video=HDMI-A-1:3840x2160MR@59
notes/kernel_parameters.txt · Last modified: 2019/04/23 14:08 by Sean Rhone