[Bug 103479] [CI] igt@[gem_flink_basic at bad-open | igt at drv_module_reload@basic-reload] *ERROR* Timeout waiting for engines to idle

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103479

--- Comment #5 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 820c5bbbf418fba41149fdeb870d623e21be2463
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Nov 1 20:21:49 2017 +0000

    drm/i915: Flush the irq and tasklets before asserting engine is idle

    Before we assert that the engine is idle, make sure we flush any
    residual tasklet. After that point, if the engine is not idle, more work
    may be queued despite us trying to park the engine and go to sleep.

    References: https://bugs.freedesktop.org/show_bug.cgi?id=103479
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
    Cc: Mika Kuoppala <mika.kuoppala at linux.intel.com>
    Link:
https://patchwork.freedesktop.org/patch/msgid/20171101202149.32493-1-chris@chris-wilson.co.uk
    Reviewed-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

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