[Bug 89552] [SKL] Attempting AUX transfer with eDP off from drm_mode_getcrtc()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89552

--- Comment #4 from Rami <ramix.ben.hassine at intel.com> ---
Created attachment 117894
  --> https://bugs.freedesktop.org/attachment.cgi?id=117894&action=edit
dmesg

Tested with skl. There are dmesg errors in the end of test.

System Environment:
==================
SKY LAKE-Y4
Hardware
Platform: SKY LAKE Y A0 
CPU : Intel(R) Core(TM) m5-6Y57 CPU @ 1.10GHz (family: 6, model: 78  stepping:
3)
MCP : SKL-Y  D0 2+2 (ou ULX-D1)
QDF : QJA4 
CPU : SKL D0
Chipset PCH: Sunrise Point LP C1       
CRB : SKY LAKE Y LPDDR3 RVP3 CRB FAB2
Reworks : All Mandatories 

Software: 
=========
Linux distribution: Ubuntu 14.04 LTS 64 bits 
Kernel:  
BIOS : SKLSE2R1.R00.X093.B02.1507222151
ME FW : 11.0.0.1163
Ksc (EC FW): 1.16
Kernel: drm-intel-nightly 30263ef782e0548c114fb6f2771b58b27c56ba0d 4.2.0-rc7
from git://anongit.freedesktop.org/drm-intel
Mesa: mesa-10.6.3 ddc976368fef367e464472ebcc2ac4fd89eb9fd8 from
http://cgit.freedesktop.org/mesa/mesa/ 
Xf86_video_intel: 2.99.917 baec802b21387d04aebb10ac29e719a1800c5aa0 from
http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/ 
Libdrm: libdrm-2.4.62 ba4b5ac010ab85406ec52e3906e13d58cd9aa782 from
http://cgit.freedesktop.org/mesa/drm/ 
Cairo: 1.14.2 93422b3cb5e0ef8104b8194c8873124ce2f5ea2d from
http://cgit.freedesktop.org/cairo 
libva: libva-1.6.0 a8008998bc0d4a76ae6927607c048e52ba50fd0e from
http://cgit.freedesktop.org/libva/ 
intel-driver: 1.6.0 32268c46d538667d437dc9266aa4c183e51c1286 from
http://cgit.freedesktop.org/vaapi/intel-driver 
Xserver: xorg-server-1.17.2 2123f7682d522619f101b05fb75efa75dabbe371 from
http://cgit.freedesktop.org/xorg/xserver

Actual Result:
==============
IGT-Version: 1.11-g0e25e5d (x86_64) (Linux: 4.2.0-rc7-drm-intel-nightly-ww34+
x86_64)
Testing connector eDP-1 using pipe A
Subtest universal-plane-pipe-A-functional: SUCCESS (17.490s)
Subtest universal-plane-pipe-A-sanity: SUCCESS (7.996s)
Subtest disable-primary-vs-flip-pipe-A: SUCCESS (4.983s)
Subtest cursor-fb-leak-pipe-A: SUCCESS (5.799s)
Testing connector eDP-1 using pipe B
Subtest universal-plane-pipe-B-functional: SUCCESS (18.718s)
Subtest universal-plane-pipe-B-sanity: SUCCESS (6.256s)
Subtest disable-primary-vs-flip-pipe-B: SUCCESS (2.872s)
Subtest cursor-fb-leak-pipe-B: SUCCESS (0.689s)
Testing connector eDP-1 using pipe C
Subtest universal-plane-pipe-C-functional: SUCCESS (18.805s)
Subtest universal-plane-pipe-C-sanity: SUCCESS (6.178s)
Subtest disable-primary-vs-flip-pipe-C: SUCCESS (2.872s)
Subtest cursor-fb-leak-pipe-C: SUCCESS (0.689s)
[  144.645374] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
[  144.656354] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
[  144.667345] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
[  144.678341] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
[  144.689337] [drm:intel_dp_aux_ch [i915]] *ERROR* dp aux hw did not signal
timeout (has irq: 1)!
[  144.689384] [drm:intel_dp_aux_ch [i915]] *ERROR* dp_aux_ch not done status
0xad40001f
[  145.841932] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable
link training
[  146.033857] [drm:intel_dp_complete_link_train [i915]] *ERROR* failed to
start channel equalization

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