[Bug 96436] [BDW/HSW/SNB/IVB][drm:intel_dp_link_training_clock_recovery] *ERROR* too many voltage retries, give up / failure to train DP

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96436

--- Comment #15 from cprigent <christophe.prigent at intel.com> ---
I confirm this is not reproduced on APL with boot, suspend to disk and IGT test
pm_rpm at pm-tiling.

Tested with:
Platform BXT-P: APL system
CPU Name : Intel(R) Genuine Processor @ 1.1 GHz (family: 6, model: 12,
stepping: 9) 4 cores
QDF : Q6HE
SoC : B1
CRB : Apollo Lake DDR3L RVP1A FAB2
Reworks: R19, R20

Software 
Bios: 144_B10 APLK_B0_IFWI_X64_R_2016_06_27_0956_SPI_RVP1.bin from
\\gar\ec\proj\ba\CCG\APL
BIOS\External\BIOS_Release\Daily\v144_10_2016_WW27.1\IFWI\IFWI_RVP1_Release\IFWI
KSC: 1.15
Linux distribution: Ubuntu 16.04 64 bits
DMC 1.07
GuC 8.7

Kernel: 4.11.0-rc1 e060007 branch drm-tip from
https://cgit.freedesktop.org/drm-tip
  commit e06000745435e65b4c056fe8f5bf149b298a0526
  Author: Chris Wilson <chris at chris-wilson.co.uk>
  Date:   Mon Mar 6 14:40:03 2017 +0000
  drm-tip: 2017y-03m-06d-14h-39m-38s UTC integration manifest

libdrm-2.4.75-10 f6499b1 from git://anongit.freedesktop.org/mesa/drm
mesa: mesa-17.0.0 683462e from git://anongit.freedesktop.org/mesa/mesa
cairo 1.15.4 9fe6683 from git://anongit.freedesktop.org/cairo
xorg-server-1.19.0-125 7d7788e from git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-758 860c366 from
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
libva-1.7.3.pre1-84 e613327 from git://git.freedesktop.org/git/vaapi/libva 
vaapi-intel-driver: 1.7.3-325 03a86fc from
git://git.freedesktop.org/git/vaapi/intel-driver
intel-gpu-tools-1.17-261 8f3164f from
http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git

External screens: ASUS PB238Q (HDMI), LG 25UM55D (DP)

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