[Bug 91142] New: [Intel HD 4000][intel-virtual-output] Screens attached to secondary graphics card no longer function
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Mon Jun 29 05:47:55 PDT 2015
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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