[Bug 107916] [CI][BAT] igt at drv_selftest@live_hangcheck - dmesg-fail - failed to idle after reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107916

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 22495b68f954c9018fd52bc620292cc80df2e418 (HEAD -> drm-intel-next-queued,
drm-intel/drm-intel-next-queued)
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Sep 14 09:00:16 2018 +0100

    drm/i915: Flush the tasklet when checking for idle

    In order to reduce latency when checking for idle we kick the tasklet
    directly. Sometimes this is not enough as it is queued on another cpu
    and so to improve the accuracy of this idle-check (and so to reduce
    latency overall by avoiding another pass, or worse declaring a timeout!)
    wait for the tasklet to complete.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=107916
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Cc: Michel Thierry <michel.thierry at intel.com>
    Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20180914080017.30308-2-chris@chris-wilson.co.uk

Hopefully.

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