[Bug 52411] [snb] intel gpu never go in rc6 after suspend

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=52411





--- Comment #18 from Ben Widawsky <ben at bwidawsk.net>  2013-01-14 15:55:49 ---
FORCEWAKE_VLV makes sense, since this platform is not Valleyview, and won't
have that register.

So what have we learned then, GTFIFODBG and registers requiring forcewake are
bad? 

I wonder if it's not always valid to read GTFIFODBG.

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