[Bug 101424] [DP][KBL] DP_game_Multiple_pipe or youtube video

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101424

--- Comment #6 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
Created attachment 138598
  --> https://bugs.freedesktop.org/attachment.cgi?id=138598&action=edit
kern log mini-dp dongle to DVI

Hello, I tried to reproduce the issue by connecting a mini-DP to DVI dongle in
the mini-DP output on a KBL nuc and a HDMI to HDMI cable in the nuc's HDMI
output.

The first time I tried, I got video signal in both displays, the DVI one and
the HMDI one. But when I tried to drag a mozilla tab to the one with DVI, there
was a lot of corruption on it, unfortunately I couldn't take a photo of it. 

I restarted the machine with both displays connected and I didn't manage to get
video on both, only the HDMI one got video output. 

I disconnected the HDMI and I got image on the DVI one, then I reconnected and
lost image in both, I did disconnecting and connecting various time, until I
ended with DVI only connected and no image, even though in dmesg if I moved the
mouse, the log would show the position on the mouse. 

======================================
             Software
======================================
kernel version              : 4.16.0
hostname                    : gfx-desktop
architecture                : x86_64
os version                  : Ubuntu 17.10
os codename                 : artful
kernel driver               : i915
bios revision               : 5.12
bios release date           : 09/12/2016
hardware acceleration       : disabled
swap partition              : enabled on (/dev/sda2)

======================================
             Hardware
======================================
platform                   : Kabylake-Nuc
motherboard model          : MS-B142
motherboard id             : MS-B1421
form factor                : Desktop
manufacturer               : Micro-StarInternationalCo.,Ltd.
cpu family                 : Core i7
cpu family id              : 6
cpu information            : Intel(R) Core(TM) i7-7500U CPU @ 2.70GHz
gpu card                   : Intel Corporation HD Graphics 620 (rev 02)
(prog-if 00 [VGA controller])
memory ram                 : 7.67 GB
max memory ram             : 64 GB
display resolution         : 5440x1080
cpu thread                 : 4
cpu core                   : 2
cpu model                  : 142
cpu stepping               : 9
socket                     : Other
signature                  : Type 0, Family 6, Model 142, Stepping 9
hard drive                 : 111GiB (120GB)
current cd clock frequency : 337500 kHz
maximum cd clock frequency : 675000 kHz
displays connected         : DP-1 HDMI-A-2

======================================
             Firmware
======================================
dmc fw loaded             : yes
dmc version               : 1.4
guc fw loaded             : fetch NONE, load NONE
guc version wanted        : wanted 9.39, found 0.0
guc version found         : wanted 9.39, found 0.0

======================================
             kernel parameters
======================================
quiet splash drm.debug=0x1e

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