[Bug 91142] New: [Intel HD 4000][intel-virtual-output] Screens attached to secondary graphics card no longer function

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91142

            Bug ID: 91142
           Summary: [Intel HD 4000][intel-virtual-output] Screens attached
                    to secondary graphics card no longer function
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: bugzilla at kraln.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 116791
  --> https://bugs.freedesktop.org/attachment.cgi?id=116791&action=edit
xrandr for main display

It's me again ;)

I have a Lenovo T430 with "Optimus"--HD4000 + Nvidia. Previously, I was able to
use intel-virtual-output to enable using displays connected to the Nvidia chip.
However, in a recent update (relatively recent--last months--can't say for
sure) this has ceased to work, with the displays showing as not connected. 

This is the same laptop/setup as
https://bugs.freedesktop.org/show_bug.cgi?id=76146

I would expect things to work as before:

1) Boot the laptop
2) run 'intel-virtual-output'
3) attach laptop to dock
4) xrandr / turn displays on. 

however, at step 4, the additional displays/modes are not available, and the
devices show as disconnected.

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