[Nouveau] [Bug 69346] New: nouveau card permanently stays in D3 on VT switch with Optimus laptops

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69346

          Priority: medium
            Bug ID: 69346
          Assignee: nouveau at lists.freedesktop.org
           Summary: nouveau card permanently stays in D3 on VT switch with
                    Optimus laptops
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: tod.jackson at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/DRI/nouveau
           Product: Mesa

Hi there,

This is re: recent nouveau runtime PM functionality. For the most part it works
great, but the Nvidia card powers up briefly when it shouldn't, e.g. opening a
video with VA-API in mplayer. Which is alright - I greatly appreciate the
cooler temperatures.

However, a VT switch, e.g. ctrl + alt + F2 and back, the Nvidia card never
turns off again until all X sessions are closed. Is that just a limitation of X
or fixable?

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