[mythtv-users] New video receiver doesn't work with Nvidia HDMI.

[Peter Bennett]

On 12/23/19 5:26 PM, Kenneth Emerson wrote:
> Looking for a little help here with Xorg and Nvidia. I just replaced 
> my Onkyo receiver (TX-NR626), which was working fine, with a new Denon 
> (AVR-X2600H). The main reason for the change is that the Onkyo didn't 
> support the newer HDCP 2.2 required for 4k ultra HD passthrough. 
> Stupid to have to throw away good hardware!
>
> I had my combo backend/frontend PC plugged into the HDMI input labeled 
> PC. I was using the DVI output of the Nvidia card with a DVI to HDMI 
> cable. The Denon does not have an HDMI labelled PC so I used the AUX2 
> input (I actually tried them all). What I get in the TV/monitor is a 
> very compressed (horizontally) picture with random straight lines 
> where text should be. The Ubuntu desktop has the normal background 
> color but all the text is messed up.
>
> I've tried fixing the resolution and frequency (originally set to 
> auto) to 1920x1080 and 60hz (the max my card will support) without any 
> change. Do I have to get a video card that supports 3840x2160 for this 
> to work? The only 4k source material I have now is through streaming 
> and not through myth.
>
> Regards,
>
> Ken E.
>

I wonder why you are using a DVI output for this. DVI does not support 
higher than 1920x1080. DVI and HDCP 2.2 will not be compatible. Does 
your video card not have an HDMI output? I can't believe that a video 
card that has HDCP 2.2 does not have an HDMI output.