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<body><span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - Kabylake has poor performance, doesn't upclock during activity quickly with single display configurations"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102199">bug 102199</a>
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<td style="text-align:right;">Attachment #134017 is obsolete</td>
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<td>1
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Kabylake has poor performance, doesn't upclock during activity quickly with single display configurations"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102199#c27">Comment # 27</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Kabylake has poor performance, doesn't upclock during activity quickly with single display configurations"
href="https://bugs.freedesktop.org/show_bug.cgi?id=102199">bug 102199</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=134314" name="attach_134314" title="v4.9.50 backport">attachment 134314</a> <a href="attachment.cgi?id=134314&action=edit" title="v4.9.50 backport">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=102199&attachment=134314'>[review]</a>
v4.9.50 backport
The gpu should reclock quickly that it should be tricky to catch the idle ->
max transition for the missed vblank as it should idle again shortly afterwards
(within 100ms). You can cat /sys/class/drm/card0/gt_act_freq_mhz, my
recommended tool would be intel-gpu-overlay with the i915/pmu patches...</pre>
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