[Bug 101847] [IGT] kms_atomic_transition subset plane-use-after-nonblocking-unbind fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101847

Maarten Lankhorst <bugs at mblankhorst.nl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[IGT]                       |[IGT] kms_atomic_transition
                   |[KBL/BYT/GLK/IVB/BDW/BSW]   |subset
                   |kms_atomic_transition       |plane-use-after-nonblocking
                   |subset                      |-unbind fails
                   |plane-use-after-nonblocking |
                   |-unbind fails               |
      i915 platform|BDW, BSW/CHT, BYT, GLK,     |ALL
                   |IVB, KBL                    |

--- Comment #12 from Maarten Lankhorst <bugs at mblankhorst.nl> ---
When doing a nonblocking plane disable, followed by another update to that
plane the last update doesn't wait for the former, causing a potential
use-after-free.

The real fix has to be in the kernel..

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