• Anything here expects Xorg and not Wayland
• Identifier will need changed for different display connections and drivers

• 99-graphics.conf

sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

• See Acer S271HL

• Last updated: 2022/05/18
• The Identifier expects modesetting
• It's better to use a kernel option as it applies to both Wayland and Xorg

sudo mkdir -p '/etc/X11/xorg.conf.d' && sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "Monitor"
    Identifier "HDMI-1"
    Modeline "1920x1080_75"  167.85  1920 1928 1960 2000  1080 1105 1113 1119 +hsync -vsync
    Option "PreferredMode" "1920x1080_75"
EndSection

• https://blogshit.baka.fi/2020/07/xorg-custom-resolutions/
• https://download.nvidia.com/XFree86/Linux-x86_64/510.54/README/xconfigoptions.html

Section "Monitor"
    Identifier "S271HL-75Hz"
    Modeline "1920x1080_75"  167.85  1920 1928 1960 2000  1080 1105 1113 1119 +hsync -vsync
EndSection

Section "Screen"
    Identifier "Screen0"
    Option "ModeValidation" "HDMI-0: NoMaxPClkCheck,NoEdidMaxPClkCheck,NoHorizSyncCheck,NoVertRefreshCheck,AllowNonEdidModes"
    Monitor "S271HL-75Hz"
EndSection

• https://wiki.gentoo.org/wiki/30bpp
• https://wiki.archlinux.org/title/AMDGPU#10-bit_color
• The lack-of quotes around 30 is intentional and required syntax
• This may cause apps to crash

sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "Screen"
    Identifier "Deep Color Screen"
    DefaultDepth 30
EndSection

• Xorg Debug

Pixel depth

• https://wiki.archlinux.org/title/AMDGPU#Reduce_output_latency

sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "OutputClass"
    Identifier "AMD Graphics"
    MatchDriver "amdgpu"
    Driver "amdgpu"
    Option "EnablePageFlip" "0"
    Option "TearFree" "0"
EndSection

• 2024/06/11: Last tested on openSUSE Tumbleweed with Intel UHD 630

sudo zypper install -y 'xf86-video-intel' && sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'

Section "OutputClass"
    Identifier "Intel Graphics"
    MatchDriver "i915"
    Driver "intel"
    Option "DRI" "3"
    Option "TearFree" "0"
    Option "TripleBuffer" "0"
EndSection

• Coolbits at 28 unlocks all available overclocking settings

sudo -e '/etc/X11/xorg.conf.d/nvidia.conf'

Section "OutputClass"
    Identifier "nvidia"
    MatchDriver "nvidia-drm"
    Option "Coolbits" "28"
    Option "AllowUnofficialGLXProtocol" "1"
EndSection

• Last tested: 2024/06/11 on openSUSE Tumbleweed

sudo -e '/etc/X11/xorg.conf.d/99-libinput.conf'

Section "InputClass"
    Identifier "Pointer (libinput custom)"
    MatchIsPointer "on"
    MatchDevicePath "/dev/input/event*"
    Driver "libinput"
    Option "AccelProfile" "flat"
EndSection

Section "InputClass"
    Identifier "Keyboard (libinput custom)"
    MatchIsKeyboard "on"
    MatchDevicePath "/dev/input/event*"
    Driver "libinput"
    Option "AccelProfile" "flat"
EndSection

Section "InputClass"
    Identifier "Touchpad (libinput custom)"
    MatchIsTouchpad "on"
    MatchDevicePath "/dev/input/event*"
    Driver "libinput"
    Option "AccelProfile" "flat"
    Option "ClickMethod" "buttonareas"
    Option "DisableWhileTyping" "off"
    Option "NaturalScrolling" "off"
    Option "SendEventsMode" "disabled-on-external-mouse"
    Option "Tapping" "off"
EndSection

• Last tested: 2024/06/11 on openSUSE Tumbleweed

• Touchpad needed synaptics instead of evdev

sudo zypper install -y 'xf86-input-evdev' && sudo -e '/etc/X11/xorg.conf.d/99-evdev.conf'

sudo zypper install -y 'xf86-input-synaptics'

Section "InputClass"
    Identifier "Pointer (evdev custom)"
    MatchIsPointer "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "AccelerationProfile" "-1"
    Option "AccelerationScheme" "none"
EndSection

Section "InputClass"
    Identifier "Keyboard (evdev custom)"
    MatchIsKeyboard "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "AccelerationProfile" "-1"
    Option "AccelerationScheme" "none"
EndSection

Section "InputClass"
    Identifier "Touchpad (synaptics custom)"
    MatchIsTouchpad "on"
    MatchDevicePath "/dev/input/event*"
    Driver "synaptics"
    Option "TapAndDragGesture" "0"
    Option "CoastingSpeed" "0"
    Option "PalmDetect" "0"
    Option "CircularScrolling" "0"
    Option "TapButton3" "0"
    Option "TapButton2" "0"
    Option "TapButton1" "0"
    Option "LBCornerButton" "0"
    Option "LTCornerButton" "0"
    Option "RBCornerButton" "0"
    Option "RTCornerButton" "0"
    Option "LockedDrags" "0"
    Option "HorizTwoFingerScroll" "0"
    Option "CornerCoasting" "0"
    Option "HorizEdgeScroll" "0"
    Option "VertEdgeScroll" "0"
EndSection

Section "InputClass"
    Identifier "Tablet (evdev custom)"
    MatchIsTablet "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "AccelerationProfile" "-1"
    Option "AccelerationScheme" "none"
EndSection

Section "InputClass"
    Identifier "Touchscreen (evdev custom)"
    MatchIsTouchscreen "on"
    MatchDevicePath "/dev/input/event*"
    Driver "evdev"
    Option "AccelerationProfile" "-1"
    Option "AccelerationScheme" "none"
EndSection