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

[Danilo Krummrich]

Hi Matt,

Can you please address my comments from V3 and V4?

https://lore.kernel.org/all/076891e9-b2ce-4c7f-833d-157aca5cd44b@amd.com/T/#m34ccee55e37ca47c87adf01439585d0bd187e3a0

- Danilo

On 10/12/23 01:58, 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.
> 
> 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(-)
>