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* [Bug 103896] New: [optimus, reverse PRIME] no HDMI audio
@ 2017-11-24 21:39 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
       [not found] ` <bug-103896-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
  0 siblings, 1 reply; 2+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2017-11-24 21:39 UTC (permalink / raw)
  To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW


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https://bugs.freedesktop.org/show_bug.cgi?id=103896

            Bug ID: 103896
           Summary: [optimus, reverse PRIME] no HDMI audio
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: post+fdo-8yesU2pFZgY@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

I have a Lenovo P50 which contains an NVIDIA Quadro M2000M in reverse PRIME
configuration: The HDMI port is connected to the NVidia card.  While getting an
image onto the HDMI port works just fine, there is no audio.

I asked about this on IRC, the logs are at
<https://people.freedesktop.org/~cbrill/dri-log/index.php?channel=nouveau&highlight_names=&date=2017-11-24#t-2034>.
 The summary is that I tried running the following script (after stopping X):

rmmod nouveau
setpci -s 01:00.0 0x488.l=0x2000000:0x2000000
echo 1 > /sys/bus/pci/devices/0000:01:00.0/remove
#echo 1 > /sys/bus/pci/devices/0000:00:01.0/rescan
echo 1 > /sys/bus/pci/rescan
modprobe nouveau

But that did not help.  I then started X again, and lspci still shows only

$ sudo lspci -nn -d 10de:
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM107GLM [Quadro
M2000M] [10de:13b0] (rev a2)

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^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2019-12-04  9:33 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-11-24 21:39 [Bug 103896] New: [optimus, reverse PRIME] no HDMI audio bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
     [not found] ` <bug-103896-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2019-12-04  9:33   ` [Bug 103896] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

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