[DragonFlyBSD - Bug #3440] (New) Notify applications when a display connection changes

[sigttou]

Issue #3440 has been reported by sigttou.

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Bug #3440: Notify applications when a display connection changes
http://bugs.dragonflybsd.org/issues/3440

* Author: sigttou
* Status: New
* Priority: Normal
* Category: Driver
* Target version: 6.6
* Start date: 2026-10-04
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DisplayPort audio can remain silent after a monitor sleeps, is turned off,
and reconnects. DragonFly does not notify applications such as Xorg about
the connection change, so they can retain outdated display and audio state.

Send a notification when the display connection changes so applications
can refresh that state. This uses the notification already provided by
FreeBSD drm-kmod.

Reference:
https://github.com/freebsd/drm-kmod/blob/c3479ffc17a2d5d6c26f712694f9d88a9ca7599a/drivers/gpu/drm/drm_sysfs.c

---Files--------------------------------
0001-drm-notify-userspace-of-connector-changes.patch (1.31 KB)


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