diff options
| -rw-r--r-- | sys/dev/acpi/acpi.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/dev/acpi/acpi.c b/sys/dev/acpi/acpi.c index 5bf1fb3222c..0c67985e753 100644 --- a/sys/dev/acpi/acpi.c +++ b/sys/dev/acpi/acpi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: acpi.c,v 1.269 2014/09/19 20:02:25 kettenis Exp $ */ +/* $OpenBSD: acpi.c,v 1.270 2014/09/23 18:33:34 kettenis Exp $ */ /* * Copyright (c) 2005 Thorsten Lockert <tholo@sigmasoft.com> * Copyright (c) 2005 Jordan Hargrave <jordan@openbsd.org> @@ -2135,7 +2135,13 @@ acpi_sleep_state(struct acpi_softc *sc, int state) acpi_indicator(sc, ACPI_SST_WAKING); /* blink */ #if NWSDISPLAY > 0 + /* + * Temporarily release the lock to prevent the X server from + * blocking on setting the display brightness. + */ + rw_exit_write(&sc->sc_lck); wsdisplay_suspend(); + rw_enter_write(&sc->sc_lck); #endif /* NWSDISPLAY > 0 */ if (config_suspend_all(DVACT_QUIESCE)) @@ -2222,7 +2228,9 @@ fail_quiesce: config_suspend_all(DVACT_WAKEUP); #if NWSDISPLAY > 0 + rw_exit_write(&sc->sc_lck); wsdisplay_resume(); + rw_enter_write(&sc->sc_lck); #endif /* NWSDISPLAY > 0 */ acpi_record_event(sc, APM_NORMAL_RESUME); |