Date: Tue, 03 Dec 2019 18:59:29 +0000 From: greg@unrelenting.technology To: "Johannes Lundberg" <johalun@freebsd.org>, "Alexandr Krivulya" <shuriku@shurik.kiev.ua>, freebsd-x11@freebsd.org Subject: Re: HDMI display autodetect Message-ID: <9c04394a05a06aa4efcfb753702305d9@unrelenting.technology> In-Reply-To: <17748315-f258-875f-68d5-e34a9fd15f1f@FreeBSD.org> References: <17748315-f258-875f-68d5-e34a9fd15f1f@FreeBSD.org> <8929d25b-d435-b718-54fe-175a4492f7db@shurik.kiev.ua>
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December 3, 2019 8:12 PM, "Johannes Lundberg" <johalun@freebsd.org> wrote: > On 2019-12-03 01:58, Alexandr Krivulya wrote: > >> 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. > > Hi > > Does it behave the same with the modesetting X driver? (uninstall > xf86-video-intel or set Driver = "modesetting" in xorg.conf's device > section and restart X or reboot) > > If so, does it behave the same with drm-devel-kmod instead of > drm-current-kmod? > > You can also see if the kernel driver registers any status status, > reports error, etc by increase logging > > sudo sysctl dev.drm.drm_debug=-1 > > (very verbose so you'd wanna switch this off when done) > > Check with dmesg for any output when connecting/disconnecting the HDMI > cable. Also try switching to another virtual terminal (Ctrl-Alt-F<number>) and back. For some reason I need to do this now.. (wlroots only refreshes monitors when seeing the udev/devd notification, which makes me think that the notification is now delayed somehow)
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