theupriser/steamify-cachyos
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feat(ui): HDMI refresh boost in the app

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Set up… opens a screen with the display, its resolution and the rates on
offer. The display's own faster mode is switched to right away; the other
rates can each be tried live (wait for the picture, keep within 15 s or it
switches back) and ticked; Install installs the ticked ones through
apply --hdmi. All rates are loaded when the screen opens, so a try is only a
mode switch. Also fixes switching back to a rate like 59.97 Hz.
This commit is contained in:
theupriser committed 2026-09-25 21:21:13 +02:00
1 parent 881330c3a6
commit 5efe448a51
6 files changed
+444 -34
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lib/backend.sh
+31
View File
@@ -8,6 +8,14 @@
# turns on the listed components and off the others (like ticking them
# in the menu), then streams one JSON object per line: plan, start,
# log, done, finished. sudo asks through $SUDO_ASKPASS (no terminal).
# steamify.sh --backend apply ... --hdmi <output>=<w>x<h>:<rate>,... hdmi
# HDMI refresh boost with the rates the app confirmed.
# steamify.sh --backend hdmi-options
# hdmi-options event: every HDMI output, its mode and rates to offer.
# steamify.sh --backend hdmi-try <connector> <w> <h> <hz> [<rate>...]
# steamify.sh --backend hdmi-reset <connector> <w> <h> <hz>
# switch to a rate live (hdmi-tried event), or back to the display's
# own EDID (hdmi-reset event); the app asks in between.
# steamify.sh --backend bios-prepare | bios-flash
# the BIOS update in two steps, so the app shows both warnings between
# them (bios-ready event: current, newest, checksum, compatible).
@@ -127,6 +135,7 @@ backend_apply() {
case "$1" in
--reapply) reapply=true ;;
--boot) boot="$2"; shift ;;
--hdmi) HDMI_CHOICE+=("$2"); shift ;;
*) want+=("$1") ;;
esac
shift
@@ -167,12 +176,34 @@ backend_apply() {
backend_event finished "\"failed\":$(json_list "${failed[@]}"),\"restart\":$(restart_needed && echo true || echo false)"
}
backend_hdmi() {
# backend_hdmi options|try|reset [args]: the app's HDMI screen. Events
# only (no "finished"): the app goes on from its own screen.
local what="$1" rc
shift
backend_sudo || return 1
case "$what" in
options)
sudo pacman -S --needed --noconfirm i2c-tools python >/dev/null 2>&1
backend_event hdmi-options "\"outputs\":$(hdmi_options 2>/dev/null)" ;;
try)
hdmi_try "$@" >/dev/null 2>&1; rc=$?
backend_event hdmi-tried "\"hz\":$4,\"ok\":$([[ $rc -eq 0 ]] && echo true || echo false)" ;;
reset)
hdmi_reset "$@" >/dev/null 2>&1
backend_event hdmi-reset ;;
esac
}
backend_main() {
case "${1:-}" in
status) backend_status ;;
apply) shift; backend_apply "$@" ;;
bios-prepare) backend_bios_prepare ;;
bios-flash) backend_bios_flash ;;
hdmi-options) backend_hdmi options ;;
hdmi-try) shift; backend_hdmi try "$@" ;;
hdmi-reset) shift; backend_hdmi reset "$@" ;;
*) err "Usage: steamify.sh --backend status | apply [--reapply] [--boot gamescope|desktop] <id>..."; return 2 ;;
esac
}
lib/hdmi-refresh.sh
+132 -11
View File
@@ -19,6 +19,9 @@ HDMI_INITRAMFS_CONF=/etc/mkinitcpio.conf.d/90-steamify-edid.conf
HDMI_CONFIRM_SECONDS="${WIZARD_HDMI_CONFIRM_SECONDS:-15}"
# amdgpu's HDMI 2.0 limit; the display's own limit (from its EDID) may be lower.
HDMI_TMDS_MAX_KHZ=600000
# Rates picked and tested in the app ("<output>=<w>x<h>:<rate>,..."), set by
# the backend's apply --hdmi; empty in the terminal menu, which tests itself.
HDMI_CHOICE=()
hdmi_connectors() {
# Connected HDMI outputs, as "<card>-<connector>" (e.g. card1-HDMI-A-1).
@@ -173,6 +176,36 @@ elif cmd == 'plan':
steps = sorted({top // 10 * 10, top // 100 * 100})
steps = [s for s in steps if s > best + 1 and not any(abs(s - x) < 1 for x in listed)]
print(lim // 1000, round(best, 2), *steps)
elif cmd == 'options':
# JSON for the app: the display's name, the HDMI limit and the rates to
# offer at w x h: its own modes the kernel skips ("monitor"), calculated
# tens up to the limit ("calculated", ticked) and the exact limit when
# that's no ten ("limit", not ticked).
import json
e, k = load(args[0]), load(args[1]); w, h, cur = int(args[2]), int(args[3]), float(args[4])
lim, t = tmds_khz(e), shortest(e, w, h)
name = ''
for o in range(54, 126, 18):
if e[o:o + 3] == b'\0\0\0' and e[o + 3] == 0xfc:
name = e[o + 5:o + 18].split(b'\n')[0].decode('ascii', 'replace').strip()
rates = []
if t:
fits = [x for x in timings(e) if x[2] == w and x[7] == h and x[1] <= lim]
known = [x[0] for x in timings(k) if x[2] == w and x[7] == h]
listed = [x[0] for x in fits]
best = max(listed + [cur])
for x in sorted(fits):
if x[0] > cur + 1 and not any(abs(x[0] - y) < 0.5 for y in known):
rates.append({'hz': round(x[0], 2), 'mhz': round(x[1] / 1000, 1), 'kind': 'monitor', 'pick': True})
size = (t[2] + t[3]) * (t[7] + t[8])
vmax = max_vrefresh(e) or int(max(listed + [cur]))
top = min(int(lim * 1000 // size), vmax)
tens = [r for r in range(10, top + 1, 10) if r > best + 1 and not any(abs(r - y) < 1 for y in listed)][-3:]
for r in tens:
rates.append({'hz': r, 'mhz': round(size * r / 1e6, 1), 'kind': 'calculated', 'pick': True})
if top % 10 and top > best + 1:
rates.append({'hz': top, 'mhz': round(size * top / 1e6, 1), 'kind': 'limit', 'pick': False})
print(json.dumps({'name': name, 'limit': lim // 1000, 'rates': rates}))
elif cmd == 'build':
e = load(args[0]); w, h = int(args[2]), int(args[3]); rates = [int(r) for r in args[4:]]
t = shortest(e, w, h)
@@ -278,7 +311,8 @@ hdmi_set_mode() {
kscreen-doctor "output.$1.mode.$id" >/dev/null 2>&1 || return 1
sleep 2
rate="$(hdmi_kscreen current "$1" | cut -d' ' -f3)"
[[ "${rate%.*}" -ge $(( $4 - 1 )) ]]
# Whole hertz: the rate asked for can be e.g. 59.97.
[[ "${rate%.*}" -ge $(( ${4%.*} - 1 )) ]]
}
hdmi_confirm() {
@@ -370,9 +404,89 @@ hdmi_tune() {
HDMI_RESULT="$w $h ${ok_rates[*]}"
}
# --- For the app: options, live tries, and installing what was confirmed ---
# The EDIDs read by hdmi_options, reused by the tries and the install.
HDMI_CACHE="${XDG_RUNTIME_DIR:-/tmp}/steamify-hdmi"
hdmi_options() {
# JSON array: per connected HDMI output its name, mode and rate options.
local conn out cur w h hz opts sep=""
mkdir -p "$HDMI_CACHE"
printf '['
for conn in $(hdmi_connectors); do
out="${conn#card*-}"
# A live EDID left by an earlier try would look like the display's own.
hdmi_status || hdmi_override_live "$conn" reset 2>/dev/null
cur="$(hdmi_kscreen current "$out")"
[[ -n "$cur" ]] || continue
read -r w h hz <<< "$cur"
hdmi_read_edid "$conn" "$HDMI_CACHE/$out.orig" || continue
opts="$(hdmi_edid_tool options "$HDMI_CACHE/$out.orig" "/sys/class/drm/$conn/edid" "$w" "$h" "$hz")" || continue
# Every rate on offer loaded now, while the list is on screen: a try
# is then only a mode switch (the current mode stays in the EDID).
hdmi_status || hdmi_preload "$conn" "$w" "$h" "$opts"
printf '%s{"connector":"%s","output":"%s","width":%s,"height":%s,"hz":%s,"info":%s}' "$sep" "$conn" "$out" "$w" "$h" "$hz" "$opts"
sep=","
done
printf ']'
}
hdmi_preload() {
# hdmi_preload <card-connector> <w> <h> <options json>: load the EDID
# with the calculated rates, as hdmi_try would on the first try.
local conn="$1" out="${1#card*-}"
local -a rates
read -ra rates <<< "$(python3 -c 'import json, sys
print(" ".join(str(r["hz"]) for r in json.loads(sys.argv[1])["rates"] if r["kind"] != "monitor"))' "$4")"
hdmi_edid_tool build "$HDMI_CACHE/$out.orig" "$HDMI_CACHE/$out.test" "$2" "$3" "${rates[@]}" &&
hdmi_override_live "$conn" "$HDMI_CACHE/$out.test" &&
cp "$HDMI_CACHE/$out.test" "$HDMI_CACHE/$out.loaded"
}
hdmi_try() {
# hdmi_try <card-connector> <w> <h> <hz> [<rate>...]: switch to hz, with
# an EDID holding the given calculated rates (loaded once per set).
local conn="$1" w="$2" h="$3" hz="$4" out="${1#card*-}"
shift 4
[[ -f "$HDMI_CACHE/$out.orig" ]] || hdmi_read_edid "$conn" "$HDMI_CACHE/$out.orig"
hdmi_edid_tool build "$HDMI_CACHE/$out.orig" "$HDMI_CACHE/$out.test" "$w" "$h" "$@" || return 1
if ! cmp -s "$HDMI_CACHE/$out.test" "$HDMI_CACHE/$out.loaded" 2>/dev/null; then
hdmi_override_live "$conn" "$HDMI_CACHE/$out.test" || return 1
cp "$HDMI_CACHE/$out.test" "$HDMI_CACHE/$out.loaded"
fi
hdmi_set_mode "$out" "$w" "$h" "$hz"
}
hdmi_reset() {
# hdmi_reset <card-connector> <w> <h> <hz>: the display's own EDID again.
hdmi_override_live "$1" reset
rm -f "$HDMI_CACHE/${1#card*-}.loaded"
hdmi_set_mode "${1#card*-}" "$2" "$3" "$4" >/dev/null
}
hdmi_choose() {
# For HDMI_CHOICE ("<output>=<w>x<h>:<rate>,..." from the app, rates it
# confirmed): builds the final EDIDs in <tmpdir> like hdmi_tune does.
local tmp="$1" item out mode rates w h
local -a r
for item in "${HDMI_CHOICE[@]}"; do
out="${item%%=*}"; mode="${item#*=}"; rates="${mode#*:}"; mode="${mode%%:*}"
w="${mode%x*}"; h="${mode#*x}"
IFS=',' read -ra r <<< "$rates"
HDMI_CHOSEN_CONN="$(basename /sys/class/drm/card*-"$out")"
if [[ -f "$HDMI_CACHE/$out.orig" ]]; then cp "$HDMI_CACHE/$out.orig" "$tmp/$out.orig"
else hdmi_read_edid "$HDMI_CHOSEN_CONN" "$tmp/$out.orig" || return 1; fi
hdmi_edid_tool build "$tmp/$out.orig" "$tmp/$out.final" "$w" "$h" "${r[@]}" &&
hdmi_override_live "$HDMI_CHOSEN_CONN" "$tmp/$out.final" || return 1
[[ ${#r[@]} -gt 0 ]] && hdmi_set_mode "$out" "$w" "$h" "${r[-1]}" >/dev/null
HDMI_RESULTS+=("$out|$w $h ${r[*]}")
done
}
hdmi_enable() {
if [[ "${BACKEND:-false}" == true ]]; then
err "HDMI refresh boost needs you at the screen: run it from the Steamify menu in Konsole."
local -a HDMI_RESULTS=()
if [[ "${BACKEND:-false}" == true && ${#HDMI_CHOICE[@]} -eq 0 ]]; then
err "HDMI refresh boost needs you at the screen: pick and test the rates in the app first."
return 1
fi
if [[ "${XDG_CURRENT_DESKTOP:-}" != *KDE* ]] || ! command -v kscreen-doctor >/dev/null; then
@@ -389,24 +503,31 @@ hdmi_enable() {
ok "Already set up for the connected display(s). Untick and tick it again to re-test."
return 0
fi
warn "Set up for another display; testing the one connected now."
warn "Set up for another display; setting up the one connected now."
hdmi_disable || return 1
fi
sudo pacman -S --needed --noconfirm i2c-tools python >/dev/null 2>&1 || { err "Installing i2c-tools failed."; return 1; }
local tmp conn out param="" files=() rc=0
local tmp conn out param="" files=() rc=0 res
tmp="$(mktemp -d)"
for conn in $(hdmi_connectors); do
out="${conn#card*-}"
hdmi_tune "$conn" "$tmp" || { rc=1; continue; }
[[ -n "$HDMI_RESULT" ]] || continue
if [[ ${#HDMI_CHOICE[@]} -gt 0 ]]; then
# Picked and tested in the app.
hdmi_choose "$tmp" || rc=1
else
for conn in $(hdmi_connectors); do
hdmi_tune "$conn" "$tmp" || { rc=1; continue; }
[[ -n "$HDMI_RESULT" ]] && HDMI_RESULTS+=("${conn#card*-}|$HDMI_RESULT")
done
fi
for res in "${HDMI_RESULTS[@]}"; do
out="${res%%|*}"
sudo install -Dm644 "$tmp/$out.final" "$HDMI_FW_DIR/steamify-$out.bin" || { rc=1; continue; }
state_set hdmi "$out" "$(hdmi_edid_tool id "$tmp/$out.orig")"
state_set hdmi "$out-mode" "$HDMI_RESULT"
state_set hdmi "$out-mode" "${res#*|}"
param+="${param:+,}$out:edid/steamify-$out.bin"
files+=("$HDMI_FW_DIR/steamify-$out.bin")
done
rm -rf "$tmp"
rm -rf "$tmp" "$HDMI_CACHE"
[[ -n "$param" ]] || return $rc
# amdgpu loads from the initramfs (the kms hook), before the root