[Bug 97531] [Broadwell] Second external monitor of MST setup does not turn on

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Oct 27 15:25:12 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=97531

--- Comment #6 from Clinton Taylor <clinton.a.taylor at intel.com> ---
There's nothing in the dmesg log to indicate a failure when attempting to
enable the second MST monitor. In fact there's indications that everything is
OK and that modeset should be successful:

[    8.943531] [drm:drm_setup_crtcs] desired mode 3200x1800 set on crtc 26
(0,0)
[    8.943533] [drm:drm_setup_crtcs] desired mode 2560x1440 set on crtc 30
(0,0)
[    8.943534] [drm:drm_setup_crtcs] desired mode 2560x1440 set on crtc 34
(0,0)

In the KDE bug you state the problem got worse with Plasma 5.8. Can you go into
more details?

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