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fix: restore xdg-desktop-portal after returning from Gaming Mode

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Chromium/Firefox "Share desktop" / "Share window" silently broke after
the SDDM-restart cycle: xdg-desktop-portal-hyprland stays bound to the
killed Hyprland instance, so the new compositor's screencasts get no
frames. Tab sharing kept working because Chromium captures tabs
internally, bypassing the portal.

switch-to-desktop now drops /tmp/.deckshift-just-returned before the
SDDM restart. A new helper (/usr/local/bin/deckshift-portal-recovery),
exec-once'd from ~/.config/hypr/autostart.conf, checks for that marker
on every Hyprland start and bounces the portal + pipewire user services
when present. No marker = no-op.

README troubleshooting updated with both this and the suspend-access
fix from the previous commit.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
28allday
2026-05-09 22:11:10 +01:00
co-authored by Claude Opus 4.7
parent f66452dcd1
commit 49046c4444
2 changed files with 85 additions and 0 deletions
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README.md
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@@ -431,6 +431,27 @@ See [Recovery from a Black Screen](#recovery-from-a-black-screen) for how to get
- Check PipeWire config exists: `cat /etc/pipewire/pipewire.conf.d/10-gaming-latency.conf`
- Try lower quantum: edit the config and set `default.clock.min-quantum = 128`
**Screen sharing in Chromium / Firefox is broken after returning from Gaming Mode (only "Share a tab" works)**
`xdg-desktop-portal-hyprland` is bound to the killed Hyprland instance — tab capture works because it bypasses the portal, but desktop/window capture goes through it and fails silently.
DeckShift handles this automatically via `/usr/local/bin/deckshift-portal-recovery` (autostarted from `~/.config/hypr/autostart.conf`). If you installed before this fix or the autostart hook didn't get added, run:
```bash
systemctl --user restart xdg-desktop-portal-hyprland xdg-desktop-portal pipewire pipewire-pulse wireplumber
```
then re-open the browser tab.
**Suspend fails with "Access denied" after returning from Gaming Mode**
The runtime mask on `suspend.target` from the gaming switch wasn't cleared. DeckShift now handles this in `switch-to-desktop`. For older installs, the one-time fix is:
```bash
sudo systemctl unmask --runtime sleep.target suspend.target hibernate.target hybrid-sleep.target
sudo systemctl daemon-reload
```
**Power profile stays on `performance` after Gaming Mode exit**
If you're on AC and using Omarchy, this is expected — see the *Performance Mode* caveat above. The deckshift restore is correctly running; Omarchy's session-init policy is overriding it on the next Hyprland start.