[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 #13 from Alexander Bersenev <bay at hackerdom.ru>  2013-01-11 21:14:50 ---
It works good with one read operation of ECOBUS or GEN6_GT_MODE register. Also
it works with any two read operations, for example with 2xGTFIFODBG. It doesn't
work in the right way with one read operation of GTFIFODBG or FORCEWAKE_VLV.

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