Lag after resume culprit found

From: Johannes Lundberg <johalun0_at_gmail.com>
Date: Thu, 17 May 2018 00:07:56 +0100
https://github.com/freebsd/freebsd/commit/66f063557f257baa9c8aeab9f933171eaa6e1cfa
x86 cpususpend_handler: call wbinvd after setting suspend state bits

How to test (i915kms)

Start X with glxgears
Confirm running stable at 60 fps
suspend/resume (S3)
glxgears is now fluctuating between 10-40 fps.


Way past bedtime now so I stop here for today.

Note: cross-posting - please think before "reply-to-all"

/Johannes
Received on Wed May 16 2018 - 21:08:39 UTC

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