[Bug 100419] [BDW][EXT] igt at kms_flip@vblank-vs-dpms-suspend-interruptible hard LOCKUP on cpu 3

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100419

--- Comment #12 from Marta Löfstedt <marta.lofstedt at intel.com> ---
I reverted:
 commit 38b19ed7f81ec930f3ad2066ae088f574970c814
Author: Jeeja KP <jeeja.kp at intel.com>
Date:   Thu May 5 11:24:43 2016 +0530

    ALSA: hda: fix to wait for RIRB & CORB DMA to set

    If the DMAs are not being quiesced properly, it may lead to
    stability issues, so the recommendation is to wait till DMAs are
    stopped.

    After setting the stop bit of RIRB/CORB DMA, we should wait for
    stop bit to be set.

and then I can't reproduce the issue.

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