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[0/5] Small DRM scheduler improvements

Message ID 20241014104637.83209-1-tursulin@igalia.com (mailing list archive)
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Series Small DRM scheduler improvements | expand

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Tvrtko Ursulin Oct. 14, 2024, 10:46 a.m. UTC 
From: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>

Leftovers from the earlier "DRM scheduler fixes and improvements" series.

It looks the fixes have now propagated back to drm-misc-next so this should now
be mergeable.

It also needed a small rebase to account for one revert and one spelling fix
which landed in the meantime.

As a reminder, what remains are kerneldoc improvements, struct layout tweaks for
clarity, one trivial cleanup for the FIFO mode, and most importantly two spin
lock-unlock cycles are removed from the push job path by pulling taking of the
locks one level up.

I smoke tested it on the Steam Deck and lockdep seems happy.

Cc: Christian König <christian.koenig@amd.com>
Cc: Philipp Stanner <pstanner@redhat.com>

Tvrtko Ursulin (5):
  drm/sched: Optimise drm_sched_entity_push_job
  drm/sched: Stop setting current entity in FIFO mode
  drm/sched: Re-order struct drm_sched_rq members for clarity
  drm/sched: Re-group and rename the entity run-queue lock
  drm/sched: Further optimise drm_sched_entity_push_job

 drivers/gpu/drm/scheduler/sched_entity.c | 42 +++++++++++++++---------
 drivers/gpu/drm/scheduler/sched_main.c   | 32 +++++++++---------
 include/drm/gpu_scheduler.h              | 28 +++++++++-------
 3 files changed, 58 insertions(+), 44 deletions(-)