[Bug 104406] [IGT] kms_flip some subtests fail with dmesg warning connector 49/eDP-1 has no modes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104406

--- Comment #1 from Hector Velazquez <hector.franciscox.velazquez.suriano at intel.com> ---
The following tests has a dmesg-warn on CFL QA 

Tests List:

igt at gem_exec_reloc@readonly-32
igt at kms_flip@2x-blt-wf_vblank-vs-modeset
igt at kms_flip@2x-busy-flip
igt at kms_flip@2x-flip-vs-dpms
igt at kms_flip@2x-flip-vs-fences
igt at kms_flip@2x-flip-vs-rmfb
igt at kms_flip@2x-plain-flip
igt at kms_flip@2x-plain-flip-fb-recreate
igt at kms_flip@2x-plain-flip-ts-check
igt at kms_flip@2x-rcs-wf_vblank-vs-dpms
igt at kms_flip@2x-rcs-wf_vblank-vs-modeset
igt at kms_flip@blt-wf_vblank-vs-modeset
igt at kms_flip@busy-flip
igt at kms_flip@flip-vs-fences
igt at kms_flip@flip-vs-rmfb
igt at kms_flip@plain-flip-fb-recreate
igt at kms_flip@plain-flip-ts-check
igt at kms_flip@rcs-wf_vblank-vs-modeset


======================================
        dmesg-warn Sample
======================================
(kms_flip:4160) igt-kms-WARNING: connector 49/eDP-1 has no modes
(kms_flip:4160) igt-kms-WARNING: connector 49/eDP-1 has no modes
(kms_flip:4160) igt-kms-WARNING: connector 49/eDP-1 has no modes
(kms_flip:4160) igt-kms-WARNING: connector 49/eDP-1 has no modes
(kms_flip:4160) igt-kms-WARNING: connector 49/eDP-1 has no modes

This is my configuration:

======================================
        Graphic stack
======================================

Component: drm
    tag: libdrm-2.4.88-42-g831036a
    commit: 831036a6f62005da9fb4a75fe043bd96ce672d27

Component: cairo
    tag: 1.15.8-76-g6b05938
    commit: 6b0593827b072abd701ea47448981bcc9bdde9f3

Component: intel-gpu-tools
    tag: intel-gpu-tools-1.20-258-g4cd4cc4
    commit: 4cd4cc4873fc1c916b6bf7b058b12294e16dfd98

Component: piglit
    tag: piglit-v1
    commit: 75ba8aea0e6eff0bc30821df9640ee4053dd98b6

======================================
             Software
======================================
kernel version              : 4.15.0-rc5-drm-tip-ww52-commit-42a41a5+
hostname                    : CFL-1
architecture                : x86_64
os version                  : Ubuntu 16.10
os codename                 : yakkety
kernel driver               : i915
bios revision               : 95.4
bios release date           : 07/24/2017
ksc                         : 1.5
hardware acceleration       : disabled
swap partition              : enabled on (/dev/sda3)

======================================
        Graphic drivers
======================================
libdrm                      : 2.4.89
cairo                       : 1.15.11
intel-gpu-tools (tag)       : intel-gpu-tools-1.20-258-g4cd4cc4
intel-gpu-tools (commit)    : 4cd4cc4

======================================
             Hardware
======================================
motherboard model          : CoffeeLakeClientPlatform
motherboard id             : CoffeeLakeSUDIMMRVP
form factor                : Desktop
manufacturer               : IntelCorporation
cpu family                 : Other
cpu family id              : 6
cpu information            : Genuine Intel(R) CPU 0000 @ 3.60GHz
gpu card                   : Intel Corporation Device 3e92 (prog-if 00 [VGA
controller])
memory ram                 : 15.58 GB
max memory ram             : 32 GB
cpu thread                 : 12
cpu core                   : 6
cpu model                  : 158
cpu stepping               : 10
socket                     : Other
hard drive                 : 447GiB (480GB)
current cd clock frequency : 337500 kHz
maximum cd clock frequency : 675000 kHz
displays connected         : eDP-1 DP-1 DP-2

======================================
             Firmware
======================================
dmc fw loaded             : yes
dmc version               : 1.4
guc fw loaded             : fetch SUCCESS, load SUCCESS
guc version wanted        : wanted 9.39, found 9.39
guc version found         : wanted 9.39, found 9.39

======================================
             kernel parameters
======================================
quiet drm.debug=0x1e intel_iommu=igfx_off auto panic=1 nmi_watchdog=panic
i915.alpha_support=1 i915.enable_guc=-1 resume=/dev/sda3 fastboot

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