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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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95f27831ee
Use new pending job list iterator and new helper functions in Xe to avoid reaching into DRM scheduler internals. Part of this change involves removing pending jobs debug information from debugfs and devcoredump. As agreed, the pending job list should only be accessed when the scheduler is stopped. However, it's not straightforward to determine whether the scheduler is stopped from the shared debugfs/devcoredump code path. Additionally, the pending job list provides little useful information, as pending jobs can be inferred from seqnos and ring head/tail positions. Therefore, this debug information is being removed. v4: - Add comment around DRM_GPU_SCHED_STAT_NO_HANG (Niranjana) Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> Link: https://patch.msgid.link/20260110012739.2888434-3-matthew.brost@intel.com
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2023 Intel Corporation
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*/
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#ifndef _XE_GPU_SCHEDULER_H_
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#define _XE_GPU_SCHEDULER_H_
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#include "xe_gpu_scheduler_types.h"
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#include "xe_sched_job.h"
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int xe_sched_init(struct xe_gpu_scheduler *sched,
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const struct drm_sched_backend_ops *ops,
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const struct xe_sched_backend_ops *xe_ops,
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struct workqueue_struct *submit_wq,
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uint32_t hw_submission, unsigned hang_limit,
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long timeout, struct workqueue_struct *timeout_wq,
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atomic_t *score, const char *name,
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struct device *dev);
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void xe_sched_fini(struct xe_gpu_scheduler *sched);
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void xe_sched_submission_start(struct xe_gpu_scheduler *sched);
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void xe_sched_submission_stop(struct xe_gpu_scheduler *sched);
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void xe_sched_submission_resume_tdr(struct xe_gpu_scheduler *sched);
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void xe_sched_add_msg(struct xe_gpu_scheduler *sched,
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struct xe_sched_msg *msg);
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void xe_sched_add_msg_locked(struct xe_gpu_scheduler *sched,
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struct xe_sched_msg *msg);
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void xe_sched_add_msg_head(struct xe_gpu_scheduler *sched,
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struct xe_sched_msg *msg);
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static inline void xe_sched_msg_lock(struct xe_gpu_scheduler *sched)
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{
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spin_lock(&sched->msg_lock);
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}
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static inline void xe_sched_msg_unlock(struct xe_gpu_scheduler *sched)
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{
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spin_unlock(&sched->msg_lock);
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}
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static inline void xe_sched_stop(struct xe_gpu_scheduler *sched)
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{
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drm_sched_stop(&sched->base, NULL);
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}
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static inline void xe_sched_tdr_queue_imm(struct xe_gpu_scheduler *sched)
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{
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drm_sched_tdr_queue_imm(&sched->base);
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}
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static inline void xe_sched_resubmit_jobs(struct xe_gpu_scheduler *sched)
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{
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struct drm_sched_job *s_job;
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bool restore_replay = false;
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drm_sched_for_each_pending_job(s_job, &sched->base, NULL) {
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restore_replay |= to_xe_sched_job(s_job)->restore_replay;
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if (restore_replay || !drm_sched_job_is_signaled(s_job))
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sched->base.ops->run_job(s_job);
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}
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}
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static inline bool
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xe_sched_invalidate_job(struct xe_sched_job *job, int threshold)
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{
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return drm_sched_invalidate_job(&job->drm, threshold);
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}
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/**
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* xe_sched_first_pending_job() - Find first pending job which is unsignaled
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* @sched: Xe GPU scheduler
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*
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* Return first unsignaled job in pending list or NULL
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*/
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static inline
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struct xe_sched_job *xe_sched_first_pending_job(struct xe_gpu_scheduler *sched)
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{
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struct drm_sched_job *job;
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drm_sched_for_each_pending_job(job, &sched->base, NULL)
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if (!drm_sched_job_is_signaled(job))
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return to_xe_sched_job(job);
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return NULL;
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}
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static inline int
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xe_sched_entity_init(struct xe_sched_entity *entity,
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struct xe_gpu_scheduler *sched)
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{
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return drm_sched_entity_init(entity, 0,
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(struct drm_gpu_scheduler **)&sched,
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1, NULL);
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}
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#define xe_sched_entity_fini drm_sched_entity_fini
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#endif
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