On Wed, Jun 03, 2015 at 05:43:16PM -0500, Mario Limonciello wrote: > Hi Greg, > > On 05/28/2015 03:30 PM, Greg KH wrote: > >On Thu, May 28, 2015 at 01:53:57PM -0500, Mario Limonciello wrote: > >> > >>On 05/28/2015 01:46 PM, Greg KH wrote: > >>>>You > >>>>>can't guarantee that there is another GPU to display things on. > >>>Yes you can. > >>Wait, what? No, you can't. > >> > >>1) Not everyone has multiple monitors plugged into multiple GPU's. > >True. > > > >>2) The system ships with a dGPU and supports an xGPU. If you remove the > >>dGPU from the chassis, all you have is the xGPU. If you unplug xGPU, > >>there's nothing left.. > >And how does other operating systems handle this? Hint, I don't imagine > >they reboot the box... > > > >greg k-h > Sorry for taking so long to respond to this, I had clarified with HW > marketing the expected experience on Win10 with the graphics amplifier on > this hardware. > Hot dock and undock is NOT supported. User must reboot for the internal > dGPU to be used after a surprise unplug. If the cable was replugged after a > surprise unplug there is no expectation that it continues to function.
So the user must trigger the reboot, the kernel isn't going to do a shutdown automatically if the device is undocked or cable unplugged. > If no other GPUs are on the system (such as dGPU not installed) then the > system will need to be turned off and back on. That sounds like some broken hardware, hotplug GPU does work on Windows, if your drivers are written properly :) good luck! greg k-h _______________________________________________ systemd-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/systemd-devel
