[Bug 74053] [ivb] hang on rcs pageflip

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=74053

--- Comment #13 from Chris Wilson <chris at chris-wilson.co.uk> ---
Created attachment 93513
  --> https://bugs.freedesktop.org/attachment.cgi?id=93513&action=edit
Frob FORCEWAKE around RCS flips

When in doubt, tell the GPU not to go to sleep.

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