[Bug 102199] Kabylake has poor performance, doesn't upclock during activity quickly with single display configurations

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102199

--- Comment #28 from Harish <harish.hyma at gmail.com> ---
(In reply to Chris Wilson from comment #27)
> Created attachment 134314 [details] [review]
> 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...

Hi Chris thanks for the backport. But when I apply the patch, I don't get any
message saying it was successful. It just says files were patched. Is this
supposed to happen? Normally I get the #hunk succeeded message.

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