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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB]openarena power regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=60344#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB]openarena power regression"
href="https://bugs.freedesktop.org/show_bug.cgi?id=60344">bug 60344</a>
from <span class="vcard"><a class="email" href="mailto:ouping.zhang@intel.com" title="Ouping Zhang <ouping.zhang@intel.com>"> <span class="fn">Ouping Zhang</span></a>
</span></b>
<pre>kernel by default
avg watt watt-hour
game 63.4 11.9
cat /sys/class/drm/card0/power/rc6_residency_ms 1983261
disable RC6
avg watt watt-hour
game 63.6 11.9
cat /sys/class/drm/card0/power/rc6_residency_ms 0
GPU go into rc6, but it didn't save power for game workload.
when running game, we didn't set vblank_mode=0, so FPS=60
(In reply to <a href="show_bug.cgi?id=60344#c3">comment #3</a>)
<span class="quote">> Sounds like we simply not entering rc6. If you compare
> /sys/class/drm/card0/power/rc6_residency_ms before and after the test, do we
> see the GPU go into rc6 ever?</span >
Can you also please cross check with
<span class="quote">> drm-intel-nightly?</span ></pre>
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