[Bug 103347] [dp] intel_dp.c:1554 WARN_ON(len <=8)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103347

--- Comment #30 from F.Hartung <f.hartung at outlook.de> ---

TV
 |_HDMI1_STB
 |_HDMI2_HTPC
 |_HDMI3_FireTV

The STB is the main media supply for the TV. So when switching it on the video
input of the tv is mostly set to HDMI1. While the TV is on you may want to
switch to another video input i.e. HDMI2 or HDMI3. When I want to use the
FireTV I select input 3 (HDMI3) and after a while I get a picture no matter
what I used before or what input I used when the tv has been turned on.

But this just won't work with the HTPC. Unless I set the "custom" edid.bin I
won't get a picture until I reboot the HTPC or set the tv input to HDMI2 while
it is turned on. Without the edid I don't get the error messages but it's
annoying to turn the whole setup off & on again just to select the HTPC as
video input.
While the edid is set I don't have this problem, I can switch to the HTPC no
matter what input was used before and I always get a picture and not just a
blank screen.

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