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

Jani Nikula jani.nikula at linux.intel.com
Mon Dec 21 14:04:45 UTC 2020


On Sun, 20 Dec 2020, Paul Gardiner <lists at glidos.net> wrote:
> The debug output was sufficient to track down the problem. It turned out 
> that the connection was called HDMI-A-1. When I used that name your 
> previous suggestion worked. To get exactly the behaviour I wanted I 
> needed to also load EDID. This is the extra boot command string I'm using:
>
>      drm.edid_firmware=HDMI-A-1:edid/marantz_edid.bin video=HDMI-A-1:D
>
>
> For that to work I also had to ensure the referenced edid file was in my 
> initramfs.
>
> Thanks again for the help.

I'm glad you figured it out, and thanks for letting us know!

> By the way, an EDID emulator is a small USB-stick-sized device that sits 
> in between computer and monitor and acts like a monitor when the actual 
> monitor is off.

Ah, thanks for the info.


BR,
Jani.

-- 
Jani Nikula, Intel Open Source Graphics Center


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