[Bug 103375] [CI] igt-core-WARNING: [cmd] rtcwake: [cmd] write error - rtcwake failed with 1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103375

--- Comment #43 from Chris Wilson <chris at chris-wilson.co.uk> ---
(In reply to Chris Wilson from comment #41)
> (In reply to Marta Löfstedt from comment #36)
> > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3336/shard-apl8/
> > igt at gem_eio@in-flight-suspend.html
> > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3337/shard-kbl4/
> > igt at gem_eio@in-flight-suspend.html
> > https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3338/shard-glkb1/
> > igt at gem_eio@in-flight-suspend.html
> 
> For in-flight-suspend the issue is that whilst waiting for the GPU hang, the
> rtc timer fires for us to resume -- cancelling dpm_suspend() and it returns
> with EBUSY.

commit 476c4b462e0453c70ee81664c0227fdddc26cbd0 (upstream/master,
origin/master,
 origin/HEAD)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Thu Nov 30 15:00:51 2017 +0000

    igt/gem_eio: Increase wakeup delay for in-flight-suspend

    For in-flight-suspend, we need to wait for the GPU hang within
    i915_gem_suspend(). This will take 10-20s, which means that the standard
    wakeup delay of around 15s may occur before we complete the suspend.
    This causes a pm_system_wakeup(), causing dpm_suspend() to return
    -EBUSY.

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

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