[Bug 107122] [CI] APL KBL: igt at kms_cursor_legacy@pipe - cleanup_done timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107122

Martin Peres <martin.peres at free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #4 from Martin Peres <martin.peres at free.fr> ---
(In reply to Chris Wilson from comment #3)
> commit 41db645a33e775855aeeec1a437d5c1e24ff6c88 (HEAD ->
> drm-intel-next-queued, drm-intel/drm-intel-next-queued)
> Author: Chris Wilson <chris at chris-wilson.co.uk>
> Date:   Thu Jul 12 12:57:29 2018 +0100
> 
>     drm/i915: Bump priority of clean up work
>     
>     We require that we keep the list of outstanding work short so that we do
>     not "leak" memory while pageflipping under stress. However that system
>     stress may delay kernel workers virtually indefinitely, which incurs the
>     pageflips stall and eventually hit a timeout waiting for the cleanup.
>     
>     Try to combat CPU starvation of our short-lived cleanup workers by
>     switching to a high priority workqueue.
>     
>     Testcase: igt/kms_cursor_legacy/all-pipes-torture-move
>     References: https://bugs.freedesktop.org/show_bug.cgi?id=107122
>     Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
>     Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
>     Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>
>     Link:
> https://patchwork.freedesktop.org/patch/msgid/20180712115729.3506-1-
> chris at chris-wilson.co.uk
> 
> looks like it does the trick.

It indeed did the trick! Thanks!

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