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<body><span class="vcard"><a class="email" href="mailto:imre.deak@intel.com" title="Imre Deak <imre.deak@intel.com>"> <span class="fn">Imre Deak</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [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"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81202">bug 81202</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>ASSIGNED
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
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<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [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"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81202#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [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"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81202">bug 81202</a>
from <span class="vcard"><a class="email" href="mailto:imre.deak@intel.com" title="Imre Deak <imre.deak@intel.com>"> <span class="fn">Imre Deak</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=81202#c6">comment #6</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=106659" name="attach_106659" title="dmesg">attachment 106659</a> <a href="attachment.cgi?id=106659&action=edit" title="dmesg">[details]</a></span>
> dmesg
>
> (In reply to <a href="show_bug.cgi?id=81202#c5">comment #5</a>)
> > 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 <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV/BDW Bisected]igt/kms_flip/bo-too-big causes "WARNING: CPU: 0 PID: 23592 at drivers/gpu/drm/drm_irq.c:1089 drm_wait_one_vblank+0x140/0x16b [drm]()""
href="show_bug.cgi?id=84162">bug 84162</a></span >
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.</pre>
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