[Bug 100572] [SKL dmc] Headless mode media transcoding is 20-30% slower comparing to connected monitor use case

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Apr 18 08:26:32 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=100572

--- Comment #20 from Sunil Kamath <sunil.kamath at intel.com> ---
Some details and further tests to be tried are:

Though by avoiding DMC fw load, issue is going away issue is not lilted just to
DMC fw. (proved by other tests results)
Real way to address this is to gracefully handle power infra change for a
headless system.

“i915.disable_power_wells=0” fixes performance issue on DP too?

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