diff options
| author | Matthew Brost <matthew.brost@intel.com> | 2025-12-09 12:00:39 -0800 |
|---|---|---|
| committer | Matthew Brost <matthew.brost@intel.com> | 2025-12-13 00:34:21 -0800 |
| commit | d8684ae1cdcf848d21e00bc0e0de821d694a207b (patch) | |
| tree | be8cbbb175fc5795f6c69f2b9ac68babcca77044 /include/drm | |
| parent | 38b069333b58c86b7588d59cc55a065611190926 (diff) | |
drm/sched: Add pending job list iterator
Stop open coding pending job list in drivers. Add pending job list
iterator which safely walks DRM scheduler list asserting DRM scheduler
is stopped.
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Link: https://patch.msgid.link/20251209200039.1366764-3-matthew.brost@intel.com
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/gpu_scheduler.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index 86b6075ce799..78e07c2507c7 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -700,4 +700,54 @@ void drm_sched_entity_modify_sched(struct drm_sched_entity *entity, struct drm_gpu_scheduler **sched_list, unsigned int num_sched_list); +/** + * struct drm_sched_pending_job_iter - DRM scheduler pending job iterator state + * @sched: DRM scheduler associated with pending job iterator + */ +struct drm_sched_pending_job_iter { + struct drm_gpu_scheduler *sched; +}; + +/* Drivers should never call this directly */ +static inline struct drm_sched_pending_job_iter +__drm_sched_pending_job_iter_begin(struct drm_gpu_scheduler *sched) +{ + struct drm_sched_pending_job_iter iter = { + .sched = sched, + }; + + WARN_ON(!drm_sched_is_stopped(sched)); + return iter; +} + +/* Drivers should never call this directly */ +static inline void +__drm_sched_pending_job_iter_end(const struct drm_sched_pending_job_iter iter) +{ + WARN_ON(!drm_sched_is_stopped(iter.sched)); +} + +DEFINE_CLASS(drm_sched_pending_job_iter, struct drm_sched_pending_job_iter, + __drm_sched_pending_job_iter_end(_T), + __drm_sched_pending_job_iter_begin(__sched), + struct drm_gpu_scheduler *__sched); +static inline void * +class_drm_sched_pending_job_iter_lock_ptr(class_drm_sched_pending_job_iter_t *_T) +{ return _T; } +#define class_drm_sched_pending_job_iter_is_conditional false + +/** + * drm_sched_for_each_pending_job() - Iterator for each pending job in scheduler + * @__job: Current pending job being iterated over + * @__sched: DRM scheduler to iterate over pending jobs + * @__entity: DRM scheduler entity to filter jobs, NULL indicates no filter + * + * Iterator for each pending job in scheduler, filtering on an entity, and + * enforcing scheduler is fully stopped + */ +#define drm_sched_for_each_pending_job(__job, __sched, __entity) \ + scoped_guard(drm_sched_pending_job_iter, (__sched)) \ + list_for_each_entry((__job), &(__sched)->pending_list, list) \ + for_each_if(!(__entity) || (__job)->entity == (__entity)) + #endif |