[Bug 104731] UVD lockup on MPEG2 missing Field

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Jan 22 18:26:30 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=104731

Christian König <ckoenig.leichtzumerken at gmail.com> changed:

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

--- Comment #2 from Christian König <ckoenig.leichtzumerken at gmail.com> ---
Works as designed.

On older hardware generations the UVD firmware just stops all processing when
it finds an invalid stream.

The driver is then responsible to reset the UVD block with a specific reset
procedure to get it working again.

Unfortunately this reset procedure never made it through IP review and so
wasn't released to the public.

The only other option is a full ASIC reset which is implemented, but doesn't
works so well.

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