[Bug 93226] drm_kms_helper.edid / EDID not working as expected

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93226

--- Comment #9 from senoladem at hotmail.com ---
I can confirm that drm_kms_helper.edid is not working as expected (CPU:
Intel(R) Pentium(R) CPU  J2900). 

I run Ubuntu 16.04.1 LTS with the kernel 4.4.0-57-generic x86_64. My edid
emulation via drm_kms_helper.edid_firmware is UP AND RUNNING (checked logs, and
I see that it is working because of the video behaviour; I redid everything
according to fritsch's guide just in case). I need it because I want kodi to
have the proper video and audio output before my tv is turned on. For video it
worked just fine, but not for the hdmi audio.

The behaviour is as follows: 
When the TV is turned on BEFORE starting the device with kodi, hdmi audio in
Kodi is named "HDA Intel PCH, GSM LG TV on HDMI", when the Tv is not on when
turning the device on just "HDA Intel PCH, HDMI #0". Audio only works when the
TV was on before the device. I figure that the intel audio ignores the edid
information I want to force.

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