[Bug 100007] [SNB][BAT] igt at gem_exec_flush@basic-batch-kernel-default-uc Failed assertion: intel_detect_and_clear_missed_interrupts(fd) == 0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100007

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
Applied
commit b66255f0f77902ef41b09163a6a092d2d905e151
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Fri Mar 3 17:14:22 2017 +0000

    drm/i915: Refactor wakeup of the next breadcrumb waiter

    Refactor the common task of updating the first_waiter, serialised with
    the interrupt handler. When we update the first_waiter, we also need to
    wakeup the new bottom-half in order to complete the actions that we may
    have delegated to it (such as checking the irq-seqno coherency or waking
    up other lower priority concurrent waiters).

    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Reviewed-by: Mika Kuoppala <mika.kuoppala at intel.com>
    Link:
http://patchwork.freedesktop.org/patch/msgid/20170303171422.4735-1-chris@chris-wilson.co.uk

in an attempt to curtail some missed wakeups.

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