[Bug 102505] New: [BAT] igt at chamelium@common-hpd-after-suspend caused *ERROR* failed to enable link training

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102505

            Bug ID: 102505
           Summary: [BAT] igt at chamelium@common-hpd-after-suspend caused
                    *ERROR* failed to enable link training
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jani.saarinen at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

On one of the CI systems igt at chamelium@common-hpd-after-suspend caused link
error failure.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3023/fi-kbl-7500u/igt@chamelium@common-hpd-after-suspend.html

Out     
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Aug 31 18:45:56 2017
rtcwake: wakeup from "mem" using /dev/rtc0 at Thu Aug 31 18:46:08 2017
IGT-Version: 1.19-g5ce65a9a (x86_64) (Linux: 4.13.0-rc7-CI-CI_DRM_3023+ x86_64)
Test requirement not met in function require_connector_present, file
chamelium.c:90:
Test requirement: found
No port of type HDMI-A was found
Test requirement not met in function require_connector_present, file
chamelium.c:90:
Test requirement: found
No port of type VGA was found
Subtest common-hpd-after-suspend: SUCCESS (8.051s)
Environment     
PIGLIT_SOURCE_DIR="/opt/igt/piglit" PIGLIT_PLATFORM="mixed_glx_egl"
Command 
/opt/igt/tests/chamelium --run-subtest common-hpd-after-suspend
Dmesg   
[   47.584421] Suspending console(s) (use no_console_suspend to debug)
[   47.962821] IRQ 136: no longer affine to CPU1
[   47.982329] IRQ 121: no longer affine to CPU2
[   47.982333] IRQ 122: no longer affine to CPU2
[   47.982336] IRQ 124: no longer affine to CPU2
[   47.982345] IRQ 127: no longer affine to CPU2
[   47.982354] IRQ 130: no longer affine to CPU2
[   47.999454] IRQ 8: no longer affine to CPU3
[   47.999464] IRQ 9: no longer affine to CPU3
[   47.999472] IRQ 120: no longer affine to CPU3
[   47.999481] IRQ 125: no longer affine to CPU3
[   48.006538]  cache: parent cpu1 should not be sleeping
[   48.008168]  cache: parent cpu2 should not be sleeping
[   48.009768]  cache: parent cpu3 should not be sleeping
[   48.642335] done.
[   51.980541] Suspending console(s) (use no_console_suspend to debug)
[   52.241578]  cache: parent cpu1 should not be sleeping
[   52.243203]  cache: parent cpu2 should not be sleeping
[   52.244787]  cache: parent cpu3 should not be sleeping
[   54.414773] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable
link training
[   54.747735] done.

Relation to https://bugs.freedesktop.org/show_bug.cgi?id=102359 but due to
different environment (chamelium) not dupping yet...

fi-kbl-7500u    HD Graphics 620 / GT2   HDMI, mDP->Chamelium

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