[PATCH v8 0/5] DRM scheduler changes for Xe

[Luben Tuikov]

On 2023-10-30 23:24, Matthew Brost 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. Based on drm-tip branch.
> 
> A follow up series will be posted to address some of dakr requets for
> kernel doc changes.
> 
> 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
> 
> v6:
>  - Address Luben's feedback
>  - Include base commit
> 
> v7:
>  - Drop SINGLE_ENTITY mode rather pull in Luben's patch for dynamic run queues
>  - Address Luben's feedback for free_job work item patch
> 
> v8:
>  - Rebase on drm-tip which includes Luben's patch for dynamic run queues
>  - Don't adjust comments, change variable names, function names twice in series
>  - Don't move existing code to different places in a file to preserve git history
> 
> 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 (5):
>   drm/sched: Add drm_sched_wqueue_* helpers
>   drm/sched: Convert drm scheduler to use a work queue rather than
>     kthread
>   drm/sched: Split free_job into own work item
>   drm/sched: Add drm_sched_start_timeout_unlocked helper
>   drm/sched: Add a helper to queue TDR immediately
> 
>  .../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    |  14 +-
>  drivers/gpu/drm/etnaviv/etnaviv_sched.c       |   2 +-
>  drivers/gpu/drm/lima/lima_sched.c             |   2 +-
>  drivers/gpu/drm/msm/adreno/adreno_device.c    |   6 +-
>  drivers/gpu/drm/msm/msm_ringbuffer.c          |   2 +-
>  drivers/gpu/drm/nouveau/nouveau_sched.c       |   2 +-
>  drivers/gpu/drm/panfrost/panfrost_job.c       |   2 +-
>  drivers/gpu/drm/scheduler/sched_main.c        | 301 ++++++++++++------
>  drivers/gpu/drm/v3d/v3d_sched.c               |  10 +-
>  include/drm/gpu_scheduler.h                   |  20 +-
>  12 files changed, 248 insertions(+), 130 deletions(-)
> 
> 
> base-commit: b560681c6bf623db41064ac486dd148d6c103e53

Hi Matthew,

I've pushed this series into drm-misc-next--I've tested and am running live with it.
Make sure to use "dim update-branches" to get all the resolutions, etc.

Thank you for working through this. Have a nice rest of your week. :-)
-- 
Regards,
Luben
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