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better set_display

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Uyanide
2025-10-15 02:54:34 +02:00
parent c19bb194a4
commit ae51ff5994
1 changed files with 54 additions and 34 deletions
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84
.utils/set_display
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@@ -1,40 +1,60 @@
Intel_ID="$(lspci -d ::03xx | grep Intel | cut -f 1 -d ' ')" #!/usr/bin/env bash
[ -z "$Intel_ID" ] && Intel_ID="somerandomstring"
NVIDIA_ID="$(lspci -d ::03xx | grep NVIDIA | cut -f 1 -d ' ')"
[ -z "$NVIDIA_ID" ] && NVIDIA_ID="somerandomstring"
for file in /dev/dri/by-path/*card; do # AMD -> Nvidia -> Intel
real_target=$(readlink -f "$file") prefer_order=(amd nvidia intel)
if [[ "$file" == *"$Intel_ID"* ]]; then
Intel_DRI_PATH="$real_target" # Get vendor and path of each GPU
elif [[ "$file" == *"$NVIDIA_ID"* ]]; then default_dri_path="$(find /dev/dri/card* 2>/dev/null | head -n 1)"
NVIDIA_DRI_PATH="$real_target" [[ -z "$default_dri_path" ]] && default_dri_path="/dev/dri/card0"
fi intel_path=""
nvidia_path=""
amd_path=""
for link in /dev/dri/by-path/*-card; do
[[ -e "$link" ]] || continue
card="$(readlink -f "$link")"
vfile="/sys/class/drm/$(basename "$card")/device/vendor"
[[ -r "$vfile" ]] || continue
vendor="$(cat "$vfile")"
case "$vendor" in
0x10de) nvidia_path="$card" ;;
0x8086) intel_path="$card" ;;
0x1002) amd_path="$card" ;;
esac
done done
if [ -n "$Intel_DRI_PATH" ]; then # AQ_DRM_DEVICES allow multiple entries separated by colon
export HYPR_DISPLAY_DEVICE=intel_backlight # Set it according to preference order
if [ -n "$NVIDIA_DRI_PATH" ]; then devices=""
export HYPR_AQ_DRM_DEVICES="$NVIDIA_DRI_PATH:$Intel_DRI_PATH" for who in "${prefer_order[@]}"; do
else case "$who" in
export HYPR_AQ_DRM_DEVICES="$Intel_DRI_PATH" nvidia) [[ -n "$nvidia_path" ]] && devices="${devices:+$devices:}$nvidia_path" ;;
fi intel) [[ -n "$intel_path" ]] && devices="${devices:+$devices:}$intel_path" ;;
elif [ -n "$NVIDIA_DRI_PATH" ]; then amd) [[ -n "$amd_path" ]] && devices="${devices:+$devices:}$amd_path" ;;
export HYPR_DISPLAY_DEVICE=nvidia_0 esac
export HYPR_AQ_DRM_DEVICES="$NVIDIA_DRI_PATH" done
else HYPR_AQ_DRM_DEVICES="${devices:-$default_dri_path}"
export HYPR_DISPLAY_DEVICE export HYPR_AQ_DRM_DEVICES
export HYPR_AQ_DRM_DEVICES=/dev/dri/card0
fi
# But niri only supports choosing one preferred render device
primary_device="$default_dri_path"
for who in "${prefer_order[@]}"; do
case "$who" in
nvidia) [[ -n "$nvidia_path" ]] && { primary_device="$nvidia_path"; break; } ;;
intel) [[ -n "$intel_path" ]] && { primary_device="$intel_path"; break; } ;;
amd) [[ -n "$amd_path" ]] && { primary_device="$amd_path"; break; } ;;
esac
done
for file in $HOME/.config/niri/config.kdl $HOME/.config/niri/config.kdl.template; do # Update niri config
[ -f "$file" ] || continue for file in "$HOME/.config/niri/config.kdl" "$HOME/.config/niri/config.kdl.template"; do
if [ -n "$NVIDIA_DRI_PATH" ]; then [[ -f "$file" ]] || return 0
sed -i "s|render-drm-device \"/dev/dri/card[0-9]*\"|render-drm-device \"$NVIDIA_DRI_PATH\"|" "$file"
elif [ -n "$Intel_DRI_PATH" ]; then if grep -qE '^\s*render-drm-device\s+"[^"]+"' "$file"; then
sed -i "s|render-drm-device \"/dev/dri/card[0-9]*\"|render-drm-device \"$Intel_DRI_PATH\"|" "$file" current="$(grep -E '^\s*render-drm-device\s+"[^"]+"' "$file" | sed -E 's/^\s*render-drm-device\s+"([^"]+)".*/\1/')"
[[ "$current" == "$primary_device" ]] && return 0
sed -i -E "s|^(\s*render-drm-device\s+)\"[^\"]+\"|\1\"$primary_device\"|" "$file"
else else
sed -i "s|render-drm-device \"/dev/dri/card[0-9]*\"|render-drm-device \"/dev/dri/card0\"|" "$file" printf '\ndebug {\nrender-drm-device "%s"\n}\n' "$primary_device" >> "$file"
fi fi
done done