[PATCH v5 0/7] DRM scheduler changes for Xe

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As a prerequisite to merging the new Intel Xe DRM driver [1] [2], we
have been asked to merge our common DRM scheduler patches first.

This a continuation of a RFC [3] with all comments addressed, ready for
a full review, and hopefully in state which can merged in the near
future. More details of this series can found in the cover letter of the
RFC [3].

These changes have been tested with the Xe driver.

v2:
 - Break run job, free job, and process message in own work items
 - This might break other drivers as run job and free job now can run in
   parallel, can fix up if needed

v3:
 - Include missing patch 'drm/sched: Add drm_sched_submit_* helpers'
 - Fix issue with setting timestamp to early
 - Don't dequeue jobs for single entity after calling entity fini
 - Flush pending jobs on entity fini
 - Add documentation for entity teardown
 - Add Matthew Brost to maintainers of DRM scheduler

v4:
 - Drop message interface
 - Drop 'Flush pending jobs on entity fini'
 - Drop 'Add documentation for entity teardown'
 - Address all feedback

v5:
 - Address Luben's feedback
 - Drop starting TDR after calling run_job()
 - Drop adding Matthew Brost to maintainers of DRM scheduler

Matt

[1] https://gitlab.freedesktop.org/drm/xe/kernel
[2] https://patchwork.freedesktop.org/series/112188/
[3] https://patchwork.freedesktop.org/series/116055/

Matthew Brost (7):
  drm/sched: Add drm_sched_wqueue_* helpers
  drm/sched: Convert drm scheduler to use a work queue rather than
    kthread
  drm/sched: Move schedule policy to scheduler
  drm/sched: Add DRM_SCHED_POLICY_SINGLE_ENTITY scheduling policy
  drm/sched: Split free_job into own work item
  drm/sched: Add drm_sched_start_timeout_unlocked helper
  drm/sched: Add helper to queue TDR immediately for current and future
    jobs

 .../drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c   |   2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c   |  15 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    |  15 +-
 drivers/gpu/drm/etnaviv/etnaviv_sched.c       |   5 +-
 drivers/gpu/drm/lima/lima_sched.c             |   5 +-
 drivers/gpu/drm/msm/adreno/adreno_device.c    |   6 +-
 drivers/gpu/drm/msm/msm_ringbuffer.c          |   7 +-
 drivers/gpu/drm/nouveau/nouveau_sched.c       |   5 +-
 drivers/gpu/drm/panfrost/panfrost_job.c       |   5 +-
 drivers/gpu/drm/scheduler/sched_entity.c      |  86 ++-
 drivers/gpu/drm/scheduler/sched_fence.c       |   2 +-
 drivers/gpu/drm/scheduler/sched_main.c        | 506 ++++++++++++------
 drivers/gpu/drm/v3d/v3d_sched.c               |  25 +-
 include/drm/gpu_scheduler.h                   |  48 +-
 14 files changed, 499 insertions(+), 233 deletions(-)

-- 
2.34.1




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