[Nouveau] [Bug 31957] New: Video Noise on HDMI output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=31957

           Summary: Video Noise on HDMI output
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: buzzbuzz22 at hotmail.com
         QAContact: xorg-team at lists.x.org


When the nouveau driver is used, bright whites have noise in them.
The picture is steady for all other colours.
Replacing the driver with the nvidia closed source one, the HDMI works fine. So
all cables must be OK, it must be a driver bug.
I suspect a HDCP problem. How do I tell if HDCP has negotiated correctly or not
with the nouveau driver?
If I use the nouveau driver, but instead with the DVI connector, and connect it
to an analogue VGA adapter to the same TV display unit, the output is fine with
no noise.

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