On Fri, 04 Dec 2020, Paul Gardiner <lists@xxxxxxxxxx> wrote: > On 24/11/2020 15:03, Paul Gardiner wrote: >> On 23/11/2020 16:19, Jani Nikula wrote: >>> On Sat, 21 Nov 2020, Paul Gardiner <lists@xxxxxxxxxx> wrote: >>>> On 17/11/2020 14:52, Jani Nikula wrote: >>>>> On Thu, 29 Oct 2020, Paul Gardiner <lists@xxxxxxxxxx> 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. > > Not wishing to hassle you, but before I give up, any further thoughts on > this? I have a solution at least, which is to use a EDID emulator, so > it's no great inconvenience how it is. This should work. ISTR it's been used before by MythTV users. (I don't know what you refer to with EDID emulator.) Please file a bug over at [1]. Add drm.debug=14 module parameter, and attach full dmesg from boot to reproducing the problem in the bug. BR, Jani. [1] https://gitlab.freedesktop.org/drm/intel/-/issues/new -- Jani Nikula, Intel Open Source Graphics Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
