On 2023-09-11 22:16, 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 Hi Matthew, Do you mean "run job B and free job A" ... "in parallel"? I don't see why this cannot be done. One can have a work-item/thread push jobs to hardware, while another post-processes them on a wakeup from a driver interrupt, and frees them, and both of those run in parallel, albeit any dependencies. Regards, Luben > > 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 > > 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 (13): > 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 / entity > drm/sched: Add DRM_SCHED_POLICY_SINGLE_ENTITY scheduling policy > drm/sched: Split free_job into own work item > drm/sched: Add generic scheduler message interface > drm/sched: Add drm_sched_start_timeout_unlocked helper > drm/sched: Start run wq before TDR in drm_sched_start > drm/sched: Submit job before starting TDR > drm/sched: Add helper to set TDR timeout > drm/sched: Waiting for pending jobs to complete in scheduler kill > drm/sched/doc: Add Entity teardown documentaion > drm/sched: Update maintainers of GPU scheduler > > Documentation/gpu/drm-mm.rst | 6 + > MAINTAINERS | 1 + > .../drm/amd/amdgpu/amdgpu_amdkfd_arcturus.c | 2 +- > drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 17 +- > 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 | 111 +++- > drivers/gpu/drm/scheduler/sched_fence.c | 2 +- > drivers/gpu/drm/scheduler/sched_main.c | 497 ++++++++++++++---- > drivers/gpu/drm/v3d/v3d_sched.c | 25 +- > include/drm/gpu_scheduler.h | 96 +++- > 16 files changed, 644 insertions(+), 159 deletions(-) > -- Regards, Luben
