Re: [PATCH v4 00/10] DRM scheduler changes for Xe

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On Mon, 18 Sep 2023 22:01:45 -0700
Matthew Brost <matthew.brost@xxxxxxxxx> wrote:

> 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
> 
> Matt
> 
> Matthew Brost (10):
>   drm/sched: Add drm_sched_submit_* 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: Start submission before TDR in drm_sched_start
>   drm/sched: Submit job before starting TDR
>   drm/sched: Add helper to queue TDR immediately for current and future
>     jobs
>   drm/sched: Update maintainers of GPU scheduler

Tested-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>

> 
>  MAINTAINERS                                   |   1 +
>  .../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          |   5 +-
>  drivers/gpu/drm/nouveau/nouveau_sched.c       |   5 +-
>  drivers/gpu/drm/panfrost/panfrost_job.c       |   5 +-
>  drivers/gpu/drm/scheduler/sched_entity.c      |  85 ++-
>  drivers/gpu/drm/scheduler/sched_fence.c       |   2 +-
>  drivers/gpu/drm/scheduler/sched_main.c        | 491 ++++++++++++------
>  drivers/gpu/drm/v3d/v3d_sched.c               |  25 +-
>  include/drm/gpu_scheduler.h                   |  48 +-
>  15 files changed, 495 insertions(+), 220 deletions(-)
> 




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