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From: Alexandr Krivulya <shuriku@shurik.kiev.ua>
Subject: HDMI display autodetect
To: freebsd-x11@freebsd.org
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Date: Tue, 3 Dec 2019 10:58:50 +0200
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Hi!
When I attach external display over HDMI port on running system it is 
not recognized (ThinkPad T470p with CURRENT, 
drm-current-kmod,xf86-video-intel). xrandr do not reflect any chnages.
As workaround I need to reboot  or suspend-resume my system.