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punktfunk/crates
enricobuehlerandClaude Fable 5 e1d7fa2a30 fix(host): activate lid-closed pf-vdisplay targets — explicit CCD path-commit fallback
A lid-closed laptop defeats both activation stages for a fresh IddCx
target: the clamshell lid policy suppresses the new-monitor
auto-activate, and the SDC_TOPOLOGY_EXTEND preset returns success
without committing a path for the IDD — so every session retry burned
~10s in resolve_target_gdi and the stream died with "not yet an active
display path" after 8 attempts (RDP/Parsec still work there: neither
needs a NEW console display path). Field report: Windows laptop host,
Intel iGPU, lid closed, v0.10.1.

New activate_target_path() (win_display.rs) is the supplied-config
apply Windows' own display Settings uses to turn a monitor on, which
doesn't consult the lid policy: QueryDisplayConfig(QDC_ALL_PATHS), keep
every active path verbatim, append the target's inactive path with a
source no active display is using (never a clone), both mode idxs
DISPLAYCONFIG_PATH_MODE_IDX_INVALID, then SDC_APPLY |
SDC_USE_SUPPLIED_DISPLAY_CONFIG | SDC_ALLOW_CHANGES |
SDC_SAVE_TO_DATABASE — SAVE_TO_DATABASE so the next same-identity ADD
auto-activates from the persistence DB and skips the ladder. Wired as
the THIRD stage of resolve_target_gdi; the on-glass-validated
auto-activate → force-EXTEND order is unchanged.

Also sweep stale "SudoVDA" out of logs/errors and current-behavior doc
comments (the backend was removed; pf-vdisplay is the sole one): the
capture error now names pf-vdisplay, the HDR toggle logs
virtual-display, and the not-active warns list the exhausted fallbacks.
Genuinely historical SudoVDA notes stay.

cargo check + clippy green on the Windows box; on-glass lid-closed
repro still owed.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-15 16:44:41 +02:00
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