up

.zshrc

@@ -34,4 +34,4 @@ export PATH="$HOME/.local/bin:$PATH"
 
 alias ls='ls --color=auto'
 alias doc='docker-compose'
-
+alias cla='cd /home/nnduc/.cache/ && claude'

README.md

@@ -34,6 +34,47 @@ Section "Device"
     Option "TearFree"    "true"
 EndSection
 ```
+    - amd: xf86-video-amdgpu (`VariableRefresh` = FreeSync, fullscreen apps only under Xorg)
+    - sudo -e /etc/X11/xorg.conf.d/20-amdgpu.conf
+```
+Section "Device"
+    Identifier "AMD"
+    Driver "amdgpu"
+    Option "VariableRefresh" "true"
+    Option "TearFree" "true"
+EndSection
+```
+## High refresh rate flicker (AMD):
+- At high refresh rates (240Hz+) the vblank can be too short for the GPU to
+  switch VRAM clock unnoticed, so the desktop flickers under changing load.
+  Windows avoids it by keeping VRAM clock high; amdgpu on Linux may not.
+- Check: if the `*` jumps between levels while idle, this is likely the cause.
+```bash
+watch -n0.2 cat /sys/class/drm/card*/device/pp_dpm_mclk
+```
+- Fix 1: run the desktop at a lower rate (`i3/config` uses 120Hz). Find the
+  output name with `xrandr` (e.g. `DisplayPort-0`) and adjust it there:
+```bash
+xrandr --output DisplayPort-0 --mode 1920x1080 --rate 120
+```
+- sway: same idea in `sway/config` (`swaymsg -t get_outputs` for the name).
+  Keep `adaptive_sync off` there — sway applies it to the whole desktop, which
+  can stutter/flicker:
+```
+output DP-1 mode 1920x1080@120Hz adaptive_sync off
+```
+- Fix 2: keep the high rate and pin VRAM clock to its top level (more idle
+  power, resets on reboot; top level is the last line of `pp_dpm_mclk`):
+```bash
+echo manual | sudo tee /sys/class/drm/card*/device/power_dpm_force_performance_level
+echo 3 | sudo tee /sys/class/drm/card*/device/pp_dpm_mclk
+```
+- Gaming: 120Hz + FreeSync is plenty for ~60fps games (VRR covers the dips).
+  Cap fps a few below max refresh so VRR stays active, e.g. Dota 2 console
+  `fps_max 117`. Under Xorg, VRR applies to fullscreen games only; under sway
+  with `adaptive_sync off` games run without it.
+- To turn off FreeSync for a single game (Xorg): `adaptive_sync=false %command%`
+  (Steam launch options).
 ![stones](./screenshots/Screenshot_20240503_095414.png)
 
 ## Installing dependencies
@@ -49,8 +90,8 @@ or manual/cargo install.
 ```bash
 sudo pacman -S i3-wm i3status i3blocks sway swaybg swaylock swayidle \
   waybar polybar rofi alacritty dex snixembed \
-  xss-lock xorg-xset xclip scrot imagemagick i3lock \
+  xss-lock xorg-xset xorg-xrandr xclip scrot imagemagick i3lock \
-  network-manager-applet blueman gnome-keyring \
+  network-manager-applet blueman gnome-keyring polkit-gnome \
   pipewire wireplumber pipewire-pulse pipewire-alsa pipewire-jack \
   pasystray playerctl brightnessctl \
   fcitx5 fcitx5-im fcitx5-configtool
@@ -63,10 +104,10 @@ sudo emerge --ask \
   gui-wm/sway gui-apps/swaybg gui-apps/swaylock gui-apps/swayidle \
   gui-apps/waybar x11-misc/polybar x11-misc/rofi x11-terms/alacritty \
   x11-misc/dex x11-misc/snixembed \
-  x11-misc/xss-lock x11-apps/xset x11-misc/xclip media-gfx/scrot \
+  x11-misc/xss-lock x11-apps/xset x11-apps/xrandr x11-misc/xclip media-gfx/scrot \
   media-gfx/imagemagick x11-misc/i3lock \
   net-misc/networkmanager net-misc/network-manager-applet net-wireless/blueman \
-  app-crypt/gnome-keyring \
+  app-crypt/gnome-keyring gnome-extra/polkit-gnome \
   media-video/pipewire media-video/wireplumber media-sound/playerctl \
   app-i18n/fcitx app-i18n/fcitx-qt app-i18n/fcitx-gtk
 ```

i3/config

@@ -95,6 +95,9 @@ floating_modifier $mod
 # or left-clicking anywhere into the window while holding the floating modifier.
 #tiling_drag modifier titlebar
 #xrandr --output HDMI-2 --auto --right-of eDP1
+# High refresh rates can flicker on AMD (VRAM clock switching), so run the
+# desktop at 120Hz. See README "High refresh rate flicker".
+exec --no-startup-id xrandr --output DisplayPort-0 --mode 1920x1080 --rate 120
 
 # start a terminal
 #bindsym $mod+Return exec i3-sensible-terminal

nvim/init.lua

@@ -52,7 +52,7 @@ vim.keymap.set("n", "<leader>P", '"+P')
 
 -- Background toogling
 vim.keymap.set("n", "<leader>bg", function()
-  vim.o.background = vim.o.background == "dark" and "light" or "dark"
+    vim.o.background = vim.o.background == "dark" and "light" or "dark"
 end, { desc = "Toggle light/dark background" })
 
 -- Join paragraph
@@ -224,4 +224,17 @@ require("lazy").setup({
 
     -- Julia
     { "JuliaEditorSupport/julia-vim" },
+    {
+        dir = "/home/nnduc/git/vim-uk",
+        event = "VeryLazy",
+        build = "cmake -S . -B build -DCMAKE_BUILD_TYPE=Release && cmake --build build -j",
+        opts = {
+            input_method = "vni",
+            toggle_key   = "<leader>v",
+        },
+        config = function(_, opts)
+            require("uknvim").setup(opts)
+        end,
+    },
+
 })

nvim/lazy-lock.json

@@ -1,20 +1,20 @@
 {
   "Comment.nvim": { "branch": "master", "commit": "e30b7f2008e52442154b66f7c519bfd2f1e32acb" },
-  "coq.artifacts": { "branch": "artifacts", "commit": "ef5f21d638ccc456cfa5b8d0ab37093cefe48c8b" },
+  "coq.artifacts": { "branch": "artifacts", "commit": "d545035d06408f2d68cd03bc401425e42c298fc4" },
-  "coq.thirdparty": { "branch": "3p", "commit": "2bd969a2bcd2624f9c260b1000957c7e665e308e" },
+  "coq.thirdparty": { "branch": "3p", "commit": "a021e24f1ff538d339aece0de80d621b68862701" },
-  "coq_nvim": { "branch": "coq", "commit": "d939a34ceb2b57d2937890337a4aa75eb55e18a8" },
+  "coq_nvim": { "branch": "coq", "commit": "df4eb27b425568cea17f01a25a07cf447066ce81" },
-  "fzf-lua": { "branch": "main", "commit": "d9508cc1d05ffcdc91a32dfd38fc1013a56b20da" },
+  "fzf-lua": { "branch": "main", "commit": "05e44d38de0a79c11fba5f7bf8138791b1dbdd1e" },
-  "gruvbox.nvim": { "branch": "main", "commit": "334d5fd49fc8033f26408425366c66c6390c57bb" },
+  "gruvbox.nvim": { "branch": "main", "commit": "154eb5ff5b96d0641307113fa385eaf0d36d9796" },
   "julia-vim": { "branch": "master", "commit": "52b30547346b21bc93acda28d626795667f9e087" },
   "lazy.nvim": { "branch": "main", "commit": "306a05526ada86a7b30af95c5cc81ffba93fef97" },
-  "lualine.nvim": { "branch": "master", "commit": "47f91c416daef12db467145e16bed5bbfe00add8" },
+  "lualine.nvim": { "branch": "master", "commit": "221ce6b2d999187044529f49da6554a92f740a96" },
-  "nvim-autopairs": { "branch": "master", "commit": "59bce2eef357189c3305e25bc6dd2d138c1683f5" },
+  "nvim-autopairs": { "branch": "master", "commit": "430522f95fe4fb7c511ec64f8c1a90cc6a66c05c" },
-  "nvim-bqf": { "branch": "main", "commit": "f65fba733268ffcf9c5b8ac381287eca7c223422" },
+  "nvim-bqf": { "branch": "main", "commit": "c282a62bec6c0621a1ef5132aa3f4c9fc4dcc2c7" },
-  "nvim-lspconfig": { "branch": "master", "commit": "0203a9608d63eda57679b01e69f33a7b4c34b0d1" },
+  "nvim-lspconfig": { "branch": "master", "commit": "16286347bdba1333c7d124d9de9fe6630731b2b2" },
-  "nvim-tree.lua": { "branch": "master", "commit": "4b30847c91d498446cb8440c03031359b045e050" },
+  "nvim-tree.lua": { "branch": "master", "commit": "b2aadda94b107480c48e548d6db51c6840b7b33c" },
-  "nvim-web-devicons": { "branch": "master", "commit": "d7462543c9e366c0d196c7f67a945eaaf5d99414" },
+  "nvim-web-devicons": { "branch": "master", "commit": "5f032a85be210cd1c6ac98861eb3b187ff3bd5eb" },
   "vim-fugitive": { "branch": "master", "commit": "3b753cf8c6a4dcde6edee8827d464ba9b8c4a6f0" },
   "vim-ime": { "branch": "master", "commit": "79e3b02eb50a57305113550be7ca163b267b5e30" },
   "viml-surround": { "branch": "master", "commit": "98358bad347aa2b8a180c2edde84c3bd8a51fdd1" },
-  "vimtex": { "branch": "master", "commit": "82d2305ff71dfb3bd91602534cc9bb9a195bcb38" }
+  "vimtex": { "branch": "master", "commit": "cb81778aee678b513af3de7f1ca5943e7ee31b2f" }
 }

pipewire/minimal.conf

@@ -26,7 +26,7 @@ context.properties = {
     core.name   = pipewire-0        # core name and socket name
 
     ## Properties for the DSP configuration.
-    #default.clock.rate          = 48000
+    default.clock.rate          = 48000
     #default.clock.allowed-rates = [ 48000 ]
     #default.clock.quantum       = 1024
     #default.clock.min-quantum   = 32

sway/config

@@ -22,8 +22,8 @@ set $term alacritty
 set $menu rofi -show drun
 
 # Font for window titles.
-font pango:NotoSans 12
 
+font pango:DejaVu Sans Mono 8
 ### Output configuration
 #
 set $wallpaper_dir /media/sync/images/wallpapers
@@ -36,7 +36,9 @@ exec --no-startup-id ~/.config/sway/scripts/wallpaper-rotate $wallpaper_dir
 #output HDMI-A-1 resolution 1920x1080@120hz position 1920,0
 #
 # You can get the names of your outputs by running: swaymsg -t get_outputs
-output DP-2 adaptive_sync on
+# adaptive_sync on the desktop makes sway stutter/flicker; 120Hz avoids AMD
+# VRAM clock flicker at high refresh (see README).
+output DP-1 mode 1920x1080@120Hz adaptive_sync off allow_tearing yes
 
 ### Idle configuration
 #
@@ -80,6 +82,9 @@ exec swayidle -w \
 input "2:7:SynPS/2_Synaptics_TouchPad" {
     events disabled_on_external_mouse
 }
+input "type:pointer" {
+    accel_profile "flat" # no mouse acceleration for all pointers
+}
 input "5426:156:Razer_Razer_DeathAdder_V2_X_HyperSpeed_Mouse" {
     accel_profile "flat" # disable mouse acceleration (enabled by default; to set it manually, use "adaptive" instead of "flat")
     pointer_accel 0.5 # set mouse sensitivity (between -1 and 1)

zathura/zathurarc

@@ -1 +1,2 @@
-set selection-clipboard clipboard
+set selection-clipboard clipboard
+set guioptions "sh"