[Nouveau] [Bug 106662] New: nouveau DPMS poblem with DRI3 (GM107)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106662

            Bug ID: 106662
           Summary: nouveau DPMS poblem with DRI3 (GM107)
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: roman.elshin at gmail.com
        QA Contact: nouveau at lists.freedesktop.org

Created attachment 139785
  --> https://bugs.freedesktop.org/attachment.cgi?id=139785&action=edit
Xorg.log

There are ubuntu mate-16.04 with mainline 4.16.7 kernel and oibaf ppa, option
"power off monitor when system idle" in DE settings enabled and GLMatrix
screensaver are used.
By default dpms works, but adding
/usr/share/X11/xorg.conf.d/20-nouveau.conf with content :

Section "Module"
    Load "dri3"
EndSection

Section "Device"
    Identifier "Device0"
    Driver "nouveau"

    Option "DRI" "3"
EndSection

cause a issue: after monitor wake up there are only one frame from screensaver
and mouse cursor over it (mouse work). System does not hang - is possible to
switch to virtual console, DE seems to think that all rigth (after some mouse
click there new folders appeares on a desktop) and X can be restarted without
problem.

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