[Bug 98374] async fbdev initial config leads to DP link train before first modeset: WARN_ON_ONCE(!intel_dp->lane_count)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98374

Armando Antonio <armando.antoniox.mora.reos at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #14 from Armando Antonio <armando.antoniox.mora.reos at intel.com> ---
Hello, 
I was trying to reproduce this issue and I could not find any message in dmesg
and kern.log.

Configuration:
======================================
        Graphic stack
======================================

======================================
             Software
======================================
kernel version              : 4.12.0-rc3-drm-tip-ww22-commit-187376e+
architecture                : x86_64
os version                  : Ubuntu 17.04
os codename                 : zesty
kernel driver               : i915
bios revision               : 4.6
bios release date           : 03/02/2017

======================================
        Graphic drivers
======================================
mesa                        : 17.0.3
modesetting                 : modesetting_drv.so
xorg-xserver                : 1.19.3
libdrm                      : 2.4.81
cairo                       : 1.14.8
xserver                     : X.Org X Server 1.19.99.1
intel-gpu-tools (tag)       : intel-gpu-tools-1.18-211-g00ce341b
intel-gpu-tools (commit)    : 00ce341b

======================================
             Hardware
======================================
platform                   : HSW-Nuc
motherboard id             : D54250WYK
form factor                : Desktop
cpu family                 : Core i5
cpu family id              : 6
cpu information            : Intel(R) Core(TM) i5-4250U CPU @ 1.30GHz
gpu card                   : Intel Corporation Haswell-ULT Integrated Graphics
Controller (rev 09) (prog-if 00 [VGA controller])
memory ram                 : 3.79 GB
max memory ram             : 16 GB
display resolution         : 1600x900
cpu thread                 : 4
cpu core                   : 2
cpu model                  : 69
cpu stepping               : 1
socket                     : Socket LGA1150
signature                  : Type 0, Family 6, Model 69, Stepping 1
hard drive                 : 223GiB (240GB)
current cd clock frequency : 450000 kHz
maximum cd clock frequency : 450000 kHz
displays connected         : DP-1

======================================
             Firmware
======================================

======================================
             kernel parameters
======================================
quiet splash fastboot drm.debug=0xe


Regards.

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