My Linux system setup

20-intel.conf

# /etc/X11/xorg.conf.d/20-intel.conf

Section "Device"
   Identifier  "Intel Graphics"
   Driver      "intel"
   Option      "TearFree" "true" # Tearing
   Option      "DRI" "2" # DRI3 is now default
    
   #Option      "AccelMethod" "sna" # default
   #Option      "AccelMethod" "uxa" # fallback
EndSection

99-sysctl.conf

# /etc/sysctl.d/99-sysctl.conf

vm.swappiness=10
vm.vfs_cache_pressure=50
vm.max_map_count=262144
fs.file-max=100000
net.core.somaxconn=1024

# Dropbox Error and avoid ENOSPC, Node.js fs
fs.inotify.max_user_watches=100000

audio_powersave.conf

# /etc/modprobe.d/audio_powersave.conf

options snd_hda_intel power_save=1

disable_watchdog.conf

# /etc/sysctl.d/disable_watchdog.conf

kernel.nmi_watchdog=0

grub

# /etc/default/grub

GRUB_DEFAULT=0
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR="Arch"
# Disabling Turbo Boost @intel_pstate
GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_pstate=disable"
# Make Linux run blazing fast (again) on Intel CPUs
GRUB_CMDLINE_LINUX="noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off mitigations=off"

i915.conf

# /etc/modprobe.d/i915.conf

# Enable GuC load for GuC submission and/or HuC load @enable_guc
# Enable frame buffer compression for power savings @enable_fbc
# Fastboot: Try to skip unnecessary mode sets at boot time @fastboot
# Enable PSR @enable_psr
# Periodically check GPU activity for detecting hangs @enable_hangcheck

options i915 enable_guc=2 enable_fbc=1 fastboot=1 enable_psr=1 enable_hangcheck=1

iwlwifi.conf

# /etc/modprobe.d/iwlwifi.conf

options iwlwifi lln_disable=1 swcrypto=1
options iwlwifi 11n_disable=8
options iwlwifi power_save=1 d0i3_disable=0 uapsd_disable=0
options iwldvm  force_cam=0

nobeep.conf

# /etc/modprobe.d/nobeep.conf

blacklist pcspkr