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ed931fb40e
A fragile micro optimization in xe_sched_add_pending_job relied on both the GPU scheduler being stopped and fence signaling stopped to safely add a job to the pending list without the job list lock in xe_sched_add_pending_job. Remove this optimization and just take the job list lock. Fixes:7ddb9403dd("drm/xe: Sample ctx timestamp to determine if jobs have timed out") Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20241003001657.3517883-2-matthew.brost@intel.com (cherry picked from commit90521df5fc) Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
90 lines
2.4 KiB
C
90 lines
2.4 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_types.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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static inline void xe_sched_msg_lock(struct xe_gpu_scheduler *sched)
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{
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spin_lock(&sched->base.job_list_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->base.job_list_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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drm_sched_resubmit_jobs(&sched->base);
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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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static inline void xe_sched_add_pending_job(struct xe_gpu_scheduler *sched,
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struct xe_sched_job *job)
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{
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spin_lock(&sched->base.job_list_lock);
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list_add(&job->drm.list, &sched->base.pending_list);
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spin_unlock(&sched->base.job_list_lock);
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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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return list_first_entry_or_null(&sched->base.pending_list,
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struct xe_sched_job, drm.list);
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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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