[Bug 110394] Skylake GPU HANG while gstreamer H264 vaapi encoding from MJPEG vaapi decode on drm-tip

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110394

--- Comment #64 from Chris Wilson <chris at chris-wilson.co.uk> ---
So I was playing around with disabling GEN9_PG_ENABLE while an engine was
active, and in doing so reproduced exactly the same symptoms with forcewake
dying, and with different patterns killing mmio entirely.

(Reminder for my future self.)

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