[Bug 69723] Computer freezes with kernel 3.11.0 / 3.12-rc1 (with bug 68235's patches applied) when dpm=1 on r600g (Cayman)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=69723

--- Comment #22 from Alex Deucher <agd5f at yahoo.com> ---
(In reply to comment #19)
> Official kernel 3.12 still failing with latest mesa and drm. It always ends
> up with a white screen when it freezes and it is impossible to connect
> remotely by SSH.
> 
> Would it be possible to add some debug/trace option to find where was the
> last recorded call or to print some key values/settings when they are
> changed/set? Maybe that could help narrow down where it hangs.

The problem is the driver is not really involved except for the initial
programming of the states.  The GPU does the reclocking internally once it's
enabled.  Best bet would be to adjust the values programmed into the state
that's loaded into the SMC to see if you can narrow down what aspects are
problematic.

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