[mythtv-users] NVidia HDMI Sound & Video gone after monitor (TV) sleep or disconnect [SOLVED]

[Kingsley Turner]

On 11/11/15 09:39, Kingsley Turner wrote:
> The solution to fixing the video, which seems to work 99% of the time, is 
> to "hardcode" the TV (or amplifier) EDID signature into xorg.conf.  It 
> should the the EDID of the next device after the video card.  So if the 
> HDMI cable goes first into an amplifer/av-receiver then that.  If it goes 
> straight to a TV, then the EDID of a TV.
>
> First you need to use the nvidia-settings tool to save a copy of your 
> output device's EDID
> Then this is referenced from within your xorg.conf "Screen Section":
>
> Section "Screen"
>     [... all the other stuff]
>     Option         "ConnectedMonitor" "DFP-1"
>     Option         "CustomEDID" "DFP-1:/home/mythuser/onkyo_amp_edid.bin"
>     Option         "IgnoreEDID" "false"
>     Option         "UseEDID" "true"
> EndSection
>
> The "ConnectedMonitor" has to match where your device links.  This can be 
> seen in the nvidia-settings GUI, but also found in /var/log/Xorg.0.log.  
> The "CustomEDID"  needs the path to where you saved the monitor's EDID data.
>


Looks like I spoke too soon.

This works, but only about 70-80% of the time.

If you have a full-keyboard, you can drop to a console [Ctrl-Alt-F2] and 
then back [Ctrl-Alt-F7] and it works again.
Or you can reboot, or logout.

I only have a mini-keyboard (no Fn keys) so this is a real PITA.