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

[Kingsley Turner]

On 27/11/15 10:45, Kingsley Turner wrote:
> On 23/11/15 14:49, Bob wrote:
>> On 11/16/2015 04:21 PM, Kingsley Turner wrote:
>>> 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 was having a similar problem and it was due to the proprietary NVidia 
>> video driver, I found this thread at the time (related to DisplayPort):
>>
>> https://forums.geforce.com/default/topic/547165/-workaround-nvidia-hdmi-audio-ldquo-not-plugged-in-rdquo-hotplug-detection-failure-after-sleep/ 
>>
>>
>>  I am now using version 352.09 of the NVidia driver and the problem has 
>> disappeared.
>>
>

Hi All,

I can confirm that this version of the NVidia driver solves *all* HDMI 
screen sleep & wakeup issues with both video and sound.
Although I still have the EDID set in the xorg.conf as above.

So many thanks for the tip Bob!

cheers,
-kt