[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 #22 from Jani Nikula <jani.nikula at intel.com>  2013-01-16 12:47:10 ---
Thanks for the resuts. The registers were all > 0x40000.

(In reply to comment #21)
> FENCE_REG_SANDYBRIDGE_0(BAD)
> TILECTL(BAD)

The above two are GTTMMADR.

> _HTOTAL_A(BAD)

This is a CPU reg.

> PP_CONTROL(BAD)
> PCH_PORT_HOTPLUG(GOOD)

These are both supposed to be PCH regs.

Ben, Daniel, any ideas for explaining this? Or shall I just "think of
something" for the commit message...?

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