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vt: add missing notification when switching back to text mode

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[ Upstream commit ff78538e07fa284ce08cbbcb0730daa91ed16722 ]

Programs using poll() on /dev/vcsa to be notified when VT changes occur
were missing one case: the switch from gfx to text mode.

Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
Link: https://lore.kernel.org/r/9o5ro928-0pp4-05rq-70p4-ro385n21n723@onlyvoer.pbz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Nicolas Pitre
2025-06-10 21:41:44 -04:00
committed by Greg Kroah-Hartman
parent fd0fe81292
commit 99e25c7b83
1 changed files with 1 additions and 0 deletions
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drivers/tty/vt/vt.c
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@@ -4452,6 +4452,7 @@ void do_unblank_screen(int leaving_gfx)
set_palette(vc);
set_cursor(vc);
vt_event_post(VT_EVENT_UNBLANK, vc->vc_num, vc->vc_num);
notify_update(vc);
}
EXPORT_SYMBOL(do_unblank_screen);