[Bug 83207] [BDW rc6] GPU hang playing a video

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83207

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #46 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 97fe3c1c860978c7a649cba93a55fa497010ccc1
Author: Rodrigo Vivi <rodrigo.vivi at intel.com>
Date:   Wed Nov 5 15:48:14 2014 -0800

    sna: Use VMask in 3DSTATE_PS

    Using dispatch mask cause hangs waiting PS Done on some cases like bug
#83207,
    with larger screen or when scaling it.

    Also mesa uses VMask instead of Dmask for 3DSTATE_PS because in some cases
    they were getting incorrect derivatives for subspans.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83207
    Cc: Timo Aaltonen <tjaalton at ubuntu.com>
    Cc: Gary Wang <gary.c.wang at intel.com>
    Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
    Tested-by: Timo Aaltonen <tjaalton at ubuntu.com>

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