Quoting Rodrigo Vivi (2018-07-10 20:59:26)
> Hi Chris, this failed the cherry-pick for drm-intel-fixes, but looking
> to the log it seems something we want there right?!
It didn't become crucial until a later patch:
commit 4dfacb0bcbee79fa2ef4b2e9e64a8f8a28598934
Author: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Date: Thu May 31 09:22:43 2018 +0100
drm/i915: Switch to kernel context before idling at runtime
Before that patch we just occasionally emitted one more request that we
strictly required (bumping suspend times by a few microseconds). With
that patch, we would hit an infinite loop unless we applied the fix.
So while it did fix a recent bug, impact is minimal.
-Chris
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