On Thu, Jul 5, 2018 at 9:18 PM, Jani Nikula <jani.nikula@xxxxxxxxx> wrote: > On Thu, 05 Jul 2018, Chris Chiu <chiu@xxxxxxxxxxxx> wrote: >> On Thu, Jul 5, 2018 at 5:37 PM, Jani Nikula <jani.nikula@xxxxxxxxx> wrote: >>> On Thu, 05 Jul 2018, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> wrote: >>>> Quoting Jani Nikula (2018-07-05 09:58:57) >>>>> On Thu, 05 Jul 2018, Chris Chiu <chiu@xxxxxxxxxxxx> wrote: >>>>> > Hi, >>>>> > We have few ASUS laptops X705FD (The new WiskyLake), X560UD (intel >>>>> > i5-8250U), X530UN (intel i7-8550U) share the same problem, which is >>>>> > the HDMI connector status stays connected even the HDMI cable has been >>>>> > unplugged. Look into the "/sys/class/drm/card0-HDMI-A-1/status" for >>>>> > checking the status while plug/unplug the HDMI, it shows >>>>> > "disconnected" before plug in HDMI cable, then switch to "connected" >>>>> > after plugin, and still stay "connected" after unplug. This would >>>>> > cause the audio output path cannot correctly switch from HDMI to >>>>> > internal speaker after unplugging the HDMI. >>>>> > >>>>> > I then try to verify with the latest kernel 4.18.0-rc3+, the bug still >>>>> > present. The full "dmesg" log is here. >>>>> > https://gist.github.com/mschiu77/d761d7c5cf191b7868d4d7788ae087f1 >>>>> > >>>>> > The HDMI cable is plugged in at ~26th second. >>>>> > "[ 26.214371] [drm:drm_detect_monitor_audio [drm]] Monitor has basic >>>>> > audio support" >>>>> > then unplug the HDMI at ~73th second. >>>>> > "[ 73.328361] [drm:drm_detect_monitor_audio [drm]] Monitor has basic >>>>> > audio support" >>>>> > >>>>> > Please advise what I can do to fix this. Thanks >>>>> >>>>> Seems rather odd. Please file a bug report at [1]. Attach the dmesg on >>>>> the bug. Please attach 'xrandr --verbose' output before and after >>>>> unplugging on the bug. >>>> >>>> Note that 'xrandr --verbose' will trigger a reprobe of the devices, >>>> papering over any missed probe following hotplug. I would suggest >>>> preceding with 'xrandr --current --verbose'. >>>> >>>> If all you are doing is checking status, you need to 'echo detect > >>>> status' to trigger a reprobe after hotplug. >> >> It's interesting that reprobe triggered by 'xrandr --verbose' after unplug will >> get the status back to "disconnected". But if I just do 'xrandr >> --current --verbose' >> before and after unplugging the cable, the output shows the same status >> 'connected'. >> >> Here's the output of 'xrandr --verbose' before unplugging HDMI >> https://gist.github.com/mschiu77/ea2e843078297f344596243418dcdaf7 >> >> And the output of 'xrandr --current --verbose' after unplugging the cable >> https://gist.github.com/mschiu77/55756c0801046d49cd9bc3f87712b079 >> >> Then do 'xrandr --current --verbose' to trigger reprobe, the ouput >> https://gist.github.com/mschiu77/72e6ab5438cbe64443300fc4fd71770c >> >> It means that the HDMI unplug not detected by the driver? > > Please do file the bug, and attach the information there. People go on > vacations, the pastebins will go away, and the memory of all of this > will fade. > Sorry that I missed to list here. I've reported the bug as follows https://bugs.freedesktop.org/show_bug.cgi?id=107125 Thanks > BR, > Jani. > >> >> Chris >> >>> >>> I was curious about the logs seemingly indicating that we can read the >>> EDID even after the user says they've unplugged the cable. The updating >>> of sysfs status attribute is another matter. >>> >>> BR, >>> Jani. >>> >>> >>> -- >>> Jani Nikula, Intel Open Source Graphics Center > > -- > Jani Nikula, Intel Open Source Graphics Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
