tree 7a83adfd2cd9d08a03d9dccfe61c939c41d1d994
parent fb33c6510d5595144d585aa194d377cf74d31911
author Chris Wilson <chris@chris-wilson.co.uk> 1583918783 +0000
committer Jani Nikula <jani.nikula@intel.com> 1584353820 +0200

drm/i915/execlists: Track active elements during dequeue

Record the initial active element we use when building the next ELSP
submission, so that we can compare against it latter to see if there's
no change.

Fixes: 44d0a9c05bc0 ("drm/i915/execlists: Skip redundant resubmission")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311092624.10012-2-chris@chris-wilson.co.uk
(cherry picked from commit 60ef5b7ac6a131f09d287a5f156c878c2c926a30)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>