[Bug 31957] Video Noise on HDMI output

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org]

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

--- Comment #1 from Francisco Jerez <currojerez-sGOZH3hwPm2sTnJN9+BGXg@public.gmane.org> 2010-11-29 04:44:30 PST ---
(In reply to comment #0)
> 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.

Can you reboot with "drm.debug=4" in your kernel command line and attach the
full output from "dmesg"?

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