[Intel-gfx] Does the intel driver support faking a connected monitor?

[Paul Gardiner]

On 23/11/2020 16:19, Jani Nikula wrote:
> On Sat, 21 Nov 2020, Paul Gardiner <lists at glidos.net> wrote:
>> On 17/11/2020 14:52, Jani Nikula wrote:
>>> On Thu, 29 Oct 2020, Paul Gardiner <lists at glidos.net> wrote:
>>>> I use an open source DVR called MythTV. I've just swapped from using
>>>> nvidia graphics to intel graphics. Generally it's working great, but
>>>> I've run into one thing I used to do with the old system that I cannot
>>>> find out how to achieve with the new.
>>>>
>>>> MythTV doesn't currently entirely handle starting without a TV
>>>> connected. With nvidia graphics I could specify, within the X config,
>>>> the "ConnectMonitor" and "CustomEDID" options to fool MythTV into
>>>> thinking there was a TV. With intel graphics I can load EDID, but so far
>>>> I haven't discovered an equivalent of the "ConnectedMonitor" option.
>>>
>>> Sorry for the delay, I seem to have missed this.
>>>
>>> Please try a kernel command-line parameter to force enable the
>>> connector.
>>>
>>> video=TV-1:e
>>>
>>> Assuming the connector name is "TV-1"; replace with whatever you have.
>>
>>
>> Thanks for the reply. I gave that a try, in my case "video=HDMI1:e", but
>> saw no difference. That's KMS, right? Is there anything I might have
>> failed to install or enable that KMS relies on? Are there any logs I
>> should monitor?
> 
> I think it should probably be HDMI-1 with the hyphen; is that a typo
> above or in the command line you used?

Thanks for the continued help. I tried "video=HDMI1:e" because my Xorg 
log listed outputs HDMI1, HDMI2, DP1 and VIRTUAL1. I've now tried 
"video=HDMI-1:e", but still no luck.