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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Rv6xx dpm problems"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66963#c179">Comment # 179</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Rv6xx dpm problems"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66963">bug 66963</a>
from <span class="vcard"><a class="email" href="mailto:agd5f@yahoo.com" title="Alex Deucher <agd5f@yahoo.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=66963#c178">comment #178</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=66963#c172">comment #172</a>)
> > > Is there any patch I can try against 3.12.6?
> >
> > You can try disabling additional dpm features as per <a href="show_bug.cgi?id=66963#c94">comment 94</a>.
>
> The patch seems to fix the issue.
> Booting with only the second half is not enough (the voltage_control & the
> gfx_clock_gating changes):
> I experienced black screen freeze on boot & disabled accel another time.</span >
To be clear all of the changes are necessary?
pi->voltage_control = false;
pi->gfx_clock_gating = false;
pi->mclk_ss = false;
pi->dynamic_pcie_gen2 = false;
Are things any better with my 3.14 branch (which contains some dpm rework):
<a href="http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14">http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14</a></pre>
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