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--- notes:xorg.conf_snippets [2022/05/23 09:18] – [Acer S271HL] Sean Rhone
+++ notes:xorg.conf_snippets [2024/05/02 02:15] – Fix intel; DRI = iris; evdev Sean Rhone
@@ Line 17: / Line 17: @@
   * Last updated: 2022/05/18
-  * :!: This expects ''modesetting'' ((''amdgpu'' had low FPS for some reason))
+  * :!: The ''Identifier'' expects ''modesetting''
+  * :!: It's better to [[notes:kernel_parameters#custom_resolution|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'
@@ Line 41: / Line 42: @@
 Section "Screen"
     Identifier "Screen0"
-    Option "ModeValidation" "DP-1: NoMaxPClkCheck,NoEdidMaxPClkCheck,NoHorizSyncCheck,NoVertRefreshCheck,AllowNonEdidModes"
+    Option "ModeValidation" "HDMI-0: NoMaxPClkCheck,NoEdidMaxPClkCheck,NoHorizSyncCheck,NoVertRefreshCheck,AllowNonEdidModes"
     Monitor "S271HL-75Hz"
-EndSection</code>
-===== TCL 55S405 =====
-  * Reduces HDMI bandwidth for 4K@60Hz
-  * Fixes Polaris HDMI instability and incorrect brightness with certain DisplayPort-to-HDMI cables
-  * :!: Only for ''amdgpu'', as ''modesetting'' presents a CVT-RB resolution automatically
-  sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'
-<code>
-Section "Monitor"
-    Identifier "HDMI-A-0"
-    Modeline "3840x2160R"  533.00  3840 3888 3920 4000  2160 2163 2168 2222 +hsync -vsync
-    Option "PreferredMode" "3840x2160R"
 EndSection</code>
@@ Line 64: / Line 50: @@
 ===== Deep Color =====
+  * 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 issues with programs not expecting 30-bit color ((GpuTest's fur ring doesn't render right, RS's NXT client's splash screen is gray))
+  * :!: This may cause apps to crash
-  * :!: This can cause games in Wine to not start under some circumstances ((FFXIV crashes on start-up due to a DirectX error))
-  * There is no known benefit to enabling this as of 2019/10/22
   sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'
@@ Line 73: / Line 59: @@
 <code>
 Section "Screen"
-    Identifier      "Deep Color Screen"
+    Identifier "Deep Color Screen"
-    DefaultDepth    30
+    DefaultDepth 30
 EndSection</code>
-====== Specific Drivers ======
+==== Verify ====
-===== modesetting =====
+  * This may need changed to ''1'' instead for some distros
-  * :!: TODO, this was figured out in order to use modesetting without uninstalling specific DDX drivers
+  cat ~/'.local/share/xorg/Xorg.0.log' | grep 'Pixel depth'
-  sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'
+  cat ~/'.local/share/xorg/Xorg.0.log.old' | grep 'Pixel depth'
-<code>
+====== Specific Drivers ======
-Section "OutputClass"
-    Identifier  "AMD Graphics"
-    MatchDriver "amdgpu"
-    Driver      "amdgpu"
-    Option      "DRI"       "3"
-    Option      "TearFree"  "0"
-EndSection</code>
 ===== amdgpu =====
+==== Tweaked ====
+  * https://wiki.archlinux.org/title/AMDGPU#Reduce_output_latency
   sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'
@@ Line 100: / Line 83: @@
 <code>
 Section "OutputClass"
-    Identifier  "AMD Graphics"
+    Identifier "AMD Graphics"
     MatchDriver "amdgpu"
-    Driver      "amdgpu"
+    Driver "amdgpu"
-    Option      "DRI"       "3"
+    Option "EnablePageFlip" "0"
-    Option      "TearFree"  "0"
+    Option "TearFree" "0"
 EndSection</code>
-===== intel =====
+==== Alternate ====
-  * :!: 2022/03/02: This caused random diagonal tearing on Fedora 35 with GNOME
+  * 2023/03/28: Last tested on Fedora 37 with a RX 6600 XT
-  * No known benefits over ''modesetting''
   sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'
@@ Line 116: / Line 98: @@
 <code>
 Section "OutputClass"
-    Identifier  "Intel Graphics"
+    Identifier "AMD Graphics"
-    MatchDriver "i915"
+    MatchDriver "amdgpu"
-    Driver      "intel"
+    Driver "amdgpu"
-    Option      "DRI"       "3"
+    Option "TearFree" "1"
-    Option      "TearFree"  "0"
 EndSection</code>
-===== intel + nouveau =====
+===== intel =====
-  * For Optimus laptops
-  sudo zypper install -y xf86-video-intel xf86-video-nouveau
+  * 2024/05/02: Last tested on Fedora Workstation 40 with Intel UHD 630
   sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'
@@ Line 133: / Line 112: @@
 <code>
 Section "OutputClass"
-    Identifier  "Intel Graphics"
+    Identifier "Intel Graphics"
     MatchDriver "i915"
-    Driver	"intel"
+    Driver "intel"
-    Option	"DRI"       "3"
+    Option "DRI" "iris"
-    Option	"TearFree"  "0"
+    Option "AccelMethod" "sna"
+    Option "TearFree" "0"
 EndSection
+</code>
-Section "OutputClass"
+===== NVIDIA =====
-    Identifier  "NVIDIA Graphics"
-    MatchDriver "nouveau"
-    Driver	"nouveau"
-    Option	"DRI"       "3"
-EndSection</code>
-===== radeon =====
+  * ''Coolbits'' at ''28'' unlocks all available overclocking settings
-  * Expects pre-SI GPUs ((HD6000 series and lower, and non-SI HD7000 series))
+  sudo -e '/etc/X11/xorg.conf.d/nvidia.conf'
-  * For SI, CIK, and newer GPUs, use ''amdgpu'', along with enabling ''si_support'' and ''cik_support'' respectively for the ''amdgpu'' kernel module ((see ''modinfo -p amdgpu''))
-  * :!: Using the ''radeon'' DDX driver caused StepMania to crash with any fullscreen mode on openSUSE TW
-  * :!: This caused a blinking black screen and GDM unable to start on Ubuntu 20.04.1
-  * :!: Overall, probably shouldn't use the ''radeon'' DDX driver
-  sudo -e '/etc/X11/xorg.conf.d/99-graphics.conf'
 <code>
 Section "OutputClass"
-    Identifier  "AMD Graphics"
+    Identifier "nvidia"
-    MatchDriver "radeon"
+    MatchDriver "nvidia-drm"
-    Driver      "radeon"
+    Option "Coolbits" "28"
-    Option      "DRI"               "3"
+    Option "AllowUnofficialGLXProtocol" "1"
-    Option      "SwapbuffersWait"   "0"
-    Option      "TearFree"          "0"
-    Option      "AccelMethod"       "EXA"
 EndSection</code>
-===== NVIDIA Proprietary =====
+====== evdev ======
-==== General ====
+<code>
+Section "InputClass"
+    Identifier "evdev pointer catchall"
+    MatchIsPointer "on"
+    MatchDevicePath "/dev/input/event*"
+    Driver "evdev"
+    Option "AccelerationProfile" "-1"
+    Option "AccelerationScheme" "none"
+EndSection
-  * ''Coolbits'' at ''28'' unlocks all available overclocking settings
+Section "InputClass"
+    Identifier "evdev keyboard catchall"
+    MatchIsKeyboard "on"
+    MatchDevicePath "/dev/input/event*"
+    Driver "evdev"
+    Option "AccelerationProfile" "-1"
+    Option "AccelerationScheme" "none"
+EndSection
-  sudo cp -p '/usr/share/X11/xorg.conf.d/nvidia.conf' '/etc/X11/xorg.conf.d/nvidia.conf' && sudo -e '/etc/X11/xorg.conf.d/nvidia.conf'
+Section "InputClass"
+    Identifier "evdev touchpad catchall"
+    MatchIsTouchpad "on"
+    MatchDevicePath "/dev/input/event*"
+    Driver "evdev"
+    Option "AccelerationProfile" "-1"
+    Option "AccelerationScheme" "none"
+EndSection
-<code>
+Section "InputClass"
-        Option "Coolbits" "28"</code>
+    Identifier "evdev tablet catchall"
+    MatchIsTablet "on"
+    MatchDevicePath "/dev/input/event*"
+    Driver "evdev"
+    Option "AccelerationProfile" "-1"
+    Option "AccelerationScheme" "none"
+EndSection
+Section "InputClass"
+    Identifier "evdev touchscreen catchall"
+    MatchIsTouchscreen "on"
+    MatchDevicePath "/dev/input/event*"
+    Driver "evdev"
+    Option "AccelerationProfile" "-1"
+    Option "AccelerationScheme" "none"
+EndSection</code>