[Bug 81202] [BSW]CallTrace "WARNING: CPU: 0 PID: 1237 at drivers/gpu/drm/i915/intel_pm.c:5955 check_power_well_state+0x69/0x6f [i915]()" after boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81202

Imre Deak <imre.deak at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #7 from Imre Deak <imre.deak at intel.com> ---
(In reply to comment #6)
> Created attachment 106659 [details]
> dmesg
> 
> (In reply to comment #5)
> > Could you provide a full dmesg log starting from boot? The attached one is
> > truncated.
> > 
> > From what I can see, we try to enable some power well (the log shows at
> > least TX-C-23) but the HW doesn't actually enable it. So it's either a punit
> > problem, or that we don't use the proper HW knobs for the failing wells.
> > Ville even had somewhere a comment that the mapping of TX power wells needs
> > to be clarified against a HW with a working Punit and/or proper
> > documentation. So I think we need to wait with a proper fix until we get a
> > working CHV.
> 
> The failure unable to reproduce on latest
> -nightly(c5660b4ad395f1e34eacc22cf81c687edfc9c83c).
> Here has another dmesg warning which tracked by bug 84162

Ok, the reason the original problem went away is that CHV TX power well support
got disabled in the code. The remaining warnings are unrelated and tracked
elsewhere, so closing this bug.

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