11b1f42d8SLucas Stach /* 21b1f42d8SLucas Stach * Copyright 2015 Advanced Micro Devices, Inc. 31b1f42d8SLucas Stach * 41b1f42d8SLucas Stach * Permission is hereby granted, free of charge, to any person obtaining a 51b1f42d8SLucas Stach * copy of this software and associated documentation files (the "Software"), 61b1f42d8SLucas Stach * to deal in the Software without restriction, including without limitation 71b1f42d8SLucas Stach * the rights to use, copy, modify, merge, publish, distribute, sublicense, 81b1f42d8SLucas Stach * and/or sell copies of the Software, and to permit persons to whom the 91b1f42d8SLucas Stach * Software is furnished to do so, subject to the following conditions: 101b1f42d8SLucas Stach * 111b1f42d8SLucas Stach * The above copyright notice and this permission notice shall be included in 121b1f42d8SLucas Stach * all copies or substantial portions of the Software. 131b1f42d8SLucas Stach * 141b1f42d8SLucas Stach * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 151b1f42d8SLucas Stach * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 161b1f42d8SLucas Stach * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 171b1f42d8SLucas Stach * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 181b1f42d8SLucas Stach * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 191b1f42d8SLucas Stach * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 201b1f42d8SLucas Stach * OTHER DEALINGS IN THE SOFTWARE. 211b1f42d8SLucas Stach * 221b1f42d8SLucas Stach */ 231b1f42d8SLucas Stach 241b1f42d8SLucas Stach #ifndef _DRM_GPU_SCHEDULER_H_ 251b1f42d8SLucas Stach #define _DRM_GPU_SCHEDULER_H_ 261b1f42d8SLucas Stach 271b1f42d8SLucas Stach #include <drm/spsc_queue.h> 281b1f42d8SLucas Stach #include <linux/dma-fence.h> 291b1f42d8SLucas Stach 30741f01e6SAndrey Grodzovsky #define MAX_WAIT_SCHED_ENTITY_Q_EMPTY msecs_to_jiffies(1000) 31741f01e6SAndrey Grodzovsky 321b1f42d8SLucas Stach struct drm_gpu_scheduler; 331b1f42d8SLucas Stach struct drm_sched_rq; 341b1f42d8SLucas Stach 351b1f42d8SLucas Stach enum drm_sched_priority { 361b1f42d8SLucas Stach DRM_SCHED_PRIORITY_MIN, 371b1f42d8SLucas Stach DRM_SCHED_PRIORITY_LOW = DRM_SCHED_PRIORITY_MIN, 381b1f42d8SLucas Stach DRM_SCHED_PRIORITY_NORMAL, 391b1f42d8SLucas Stach DRM_SCHED_PRIORITY_HIGH_SW, 401b1f42d8SLucas Stach DRM_SCHED_PRIORITY_HIGH_HW, 411b1f42d8SLucas Stach DRM_SCHED_PRIORITY_KERNEL, 421b1f42d8SLucas Stach DRM_SCHED_PRIORITY_MAX, 431b1f42d8SLucas Stach DRM_SCHED_PRIORITY_INVALID = -1, 441b1f42d8SLucas Stach DRM_SCHED_PRIORITY_UNSET = -2 451b1f42d8SLucas Stach }; 461b1f42d8SLucas Stach 471b1f42d8SLucas Stach /** 482d33948eSNayan Deshmukh * struct drm_sched_entity - A wrapper around a job queue (typically 492d33948eSNayan Deshmukh * attached to the DRM file_priv). 502d33948eSNayan Deshmukh * 512d33948eSNayan Deshmukh * @list: used to append this struct to the list of entities in the 522d33948eSNayan Deshmukh * runqueue. 53ac0a6cf1SNayan Deshmukh * @rq: runqueue on which this entity is currently scheduled. 54ac0a6cf1SNayan Deshmukh * @rq_list: a list of run queues on which jobs from this entity can 55ac0a6cf1SNayan Deshmukh * be scheduled 56ac0a6cf1SNayan Deshmukh * @num_rq_list: number of run queues in the rq_list 572d33948eSNayan Deshmukh * @rq_lock: lock to modify the runqueue to which this entity belongs. 582d33948eSNayan Deshmukh * @job_queue: the list of jobs of this entity. 592d33948eSNayan Deshmukh * @fence_seq: a linearly increasing seqno incremented with each 602d33948eSNayan Deshmukh * new &drm_sched_fence which is part of the entity. 612d33948eSNayan Deshmukh * @fence_context: a unique context for all the fences which belong 622d33948eSNayan Deshmukh * to this entity. 632d33948eSNayan Deshmukh * The &drm_sched_fence.scheduled uses the 642d33948eSNayan Deshmukh * fence_context but &drm_sched_fence.finished uses 652d33948eSNayan Deshmukh * fence_context + 1. 662d33948eSNayan Deshmukh * @dependency: the dependency fence of the job which is on the top 672d33948eSNayan Deshmukh * of the job queue. 682d33948eSNayan Deshmukh * @cb: callback for the dependency fence above. 692d33948eSNayan Deshmukh * @guilty: points to ctx's guilty. 702d33948eSNayan Deshmukh * @fini_status: contains the exit status in case the process was signalled. 712d33948eSNayan Deshmukh * @last_scheduled: points to the finished fence of the last scheduled job. 7243bce41cSChristian König * @last_user: last group leader pushing a job into the entity. 7362347a33SAndrey Grodzovsky * @stopped: Marks the enity as removed from rq and destined for termination. 741a61ee07SEric Anholt * 751a61ee07SEric Anholt * Entities will emit jobs in order to their corresponding hardware 761a61ee07SEric Anholt * ring, and the scheduler will alternate between entities based on 771a61ee07SEric Anholt * scheduling policy. 781b1f42d8SLucas Stach */ 791b1f42d8SLucas Stach struct drm_sched_entity { 801b1f42d8SLucas Stach struct list_head list; 811b1f42d8SLucas Stach struct drm_sched_rq *rq; 82ac0a6cf1SNayan Deshmukh struct drm_sched_rq **rq_list; 83ac0a6cf1SNayan Deshmukh unsigned int num_rq_list; 841b1f42d8SLucas Stach spinlock_t rq_lock; 851b1f42d8SLucas Stach 861b1f42d8SLucas Stach struct spsc_queue job_queue; 871b1f42d8SLucas Stach 881b1f42d8SLucas Stach atomic_t fence_seq; 891b1f42d8SLucas Stach uint64_t fence_context; 901b1f42d8SLucas Stach 911b1f42d8SLucas Stach struct dma_fence *dependency; 921b1f42d8SLucas Stach struct dma_fence_cb cb; 932d33948eSNayan Deshmukh atomic_t *guilty; 948ee3a52eSEmily Deng struct dma_fence *last_scheduled; 9543bce41cSChristian König struct task_struct *last_user; 9662347a33SAndrey Grodzovsky bool stopped; 971b1f42d8SLucas Stach }; 981b1f42d8SLucas Stach 991b1f42d8SLucas Stach /** 1002d33948eSNayan Deshmukh * struct drm_sched_rq - queue of entities to be scheduled. 1012d33948eSNayan Deshmukh * 1022d33948eSNayan Deshmukh * @lock: to modify the entities list. 1038dc9fbbfSNayan Deshmukh * @sched: the scheduler to which this rq belongs to. 1042d33948eSNayan Deshmukh * @entities: list of the entities to be scheduled. 1052d33948eSNayan Deshmukh * @current_entity: the entity which is to be scheduled. 1062d33948eSNayan Deshmukh * 1071b1f42d8SLucas Stach * Run queue is a set of entities scheduling command submissions for 1081b1f42d8SLucas Stach * one specific ring. It implements the scheduling policy that selects 1091b1f42d8SLucas Stach * the next entity to emit commands from. 1101b1f42d8SLucas Stach */ 1111b1f42d8SLucas Stach struct drm_sched_rq { 1121b1f42d8SLucas Stach spinlock_t lock; 1138dc9fbbfSNayan Deshmukh struct drm_gpu_scheduler *sched; 1141b1f42d8SLucas Stach struct list_head entities; 1151b1f42d8SLucas Stach struct drm_sched_entity *current_entity; 1161b1f42d8SLucas Stach }; 1171b1f42d8SLucas Stach 1182d33948eSNayan Deshmukh /** 1192d33948eSNayan Deshmukh * struct drm_sched_fence - fences corresponding to the scheduling of a job. 1202d33948eSNayan Deshmukh */ 1211b1f42d8SLucas Stach struct drm_sched_fence { 1222d33948eSNayan Deshmukh /** 1232d33948eSNayan Deshmukh * @scheduled: this fence is what will be signaled by the scheduler 1242d33948eSNayan Deshmukh * when the job is scheduled. 1252d33948eSNayan Deshmukh */ 1261b1f42d8SLucas Stach struct dma_fence scheduled; 1271a61ee07SEric Anholt 1282d33948eSNayan Deshmukh /** 1292d33948eSNayan Deshmukh * @finished: this fence is what will be signaled by the scheduler 1302d33948eSNayan Deshmukh * when the job is completed. 1311a61ee07SEric Anholt * 1321a61ee07SEric Anholt * When setting up an out fence for the job, you should use 1331a61ee07SEric Anholt * this, since it's available immediately upon 1341a61ee07SEric Anholt * drm_sched_job_init(), and the fence returned by the driver 1351a61ee07SEric Anholt * from run_job() won't be created until the dependencies have 1361a61ee07SEric Anholt * resolved. 1371a61ee07SEric Anholt */ 1381b1f42d8SLucas Stach struct dma_fence finished; 1391a61ee07SEric Anholt 1402d33948eSNayan Deshmukh /** 1412d33948eSNayan Deshmukh * @cb: the callback for the parent fence below. 1422d33948eSNayan Deshmukh */ 1431b1f42d8SLucas Stach struct dma_fence_cb cb; 1442d33948eSNayan Deshmukh /** 1452d33948eSNayan Deshmukh * @parent: the fence returned by &drm_sched_backend_ops.run_job 1462d33948eSNayan Deshmukh * when scheduling the job on hardware. We signal the 1472d33948eSNayan Deshmukh * &drm_sched_fence.finished fence once parent is signalled. 1482d33948eSNayan Deshmukh */ 1491b1f42d8SLucas Stach struct dma_fence *parent; 1502d33948eSNayan Deshmukh /** 1512d33948eSNayan Deshmukh * @sched: the scheduler instance to which the job having this struct 1522d33948eSNayan Deshmukh * belongs to. 1532d33948eSNayan Deshmukh */ 1541b1f42d8SLucas Stach struct drm_gpu_scheduler *sched; 1552d33948eSNayan Deshmukh /** 1562d33948eSNayan Deshmukh * @lock: the lock used by the scheduled and the finished fences. 1572d33948eSNayan Deshmukh */ 1581b1f42d8SLucas Stach spinlock_t lock; 1592d33948eSNayan Deshmukh /** 1602d33948eSNayan Deshmukh * @owner: job owner for debugging 1612d33948eSNayan Deshmukh */ 1621b1f42d8SLucas Stach void *owner; 1631b1f42d8SLucas Stach }; 1641b1f42d8SLucas Stach 1651b1f42d8SLucas Stach struct drm_sched_fence *to_drm_sched_fence(struct dma_fence *f); 1661b1f42d8SLucas Stach 1671a61ee07SEric Anholt /** 1682d33948eSNayan Deshmukh * struct drm_sched_job - A job to be run by an entity. 1692d33948eSNayan Deshmukh * 1702d33948eSNayan Deshmukh * @queue_node: used to append this struct to the queue of jobs in an entity. 1712d33948eSNayan Deshmukh * @sched: the scheduler instance on which this job is scheduled. 1722d33948eSNayan Deshmukh * @s_fence: contains the fences for the scheduling of job. 1732d33948eSNayan Deshmukh * @finish_cb: the callback for the finished fence. 1742d33948eSNayan Deshmukh * @finish_work: schedules the function @drm_sched_job_finish once the job has 1752d33948eSNayan Deshmukh * finished to remove the job from the 1762d33948eSNayan Deshmukh * @drm_gpu_scheduler.ring_mirror_list. 1772d33948eSNayan Deshmukh * @node: used to append this struct to the @drm_gpu_scheduler.ring_mirror_list. 1782d33948eSNayan Deshmukh * @id: a unique id assigned to each job scheduled on the scheduler. 1792d33948eSNayan Deshmukh * @karma: increment on every hang caused by this job. If this exceeds the hang 1802d33948eSNayan Deshmukh * limit of the scheduler then the job is marked guilty and will not 1812d33948eSNayan Deshmukh * be scheduled further. 1822d33948eSNayan Deshmukh * @s_priority: the priority of the job. 1832d33948eSNayan Deshmukh * @entity: the entity to which this job belongs. 1841a61ee07SEric Anholt * 1851a61ee07SEric Anholt * A job is created by the driver using drm_sched_job_init(), and 1861a61ee07SEric Anholt * should call drm_sched_entity_push_job() once it wants the scheduler 1871a61ee07SEric Anholt * to schedule the job. 1881a61ee07SEric Anholt */ 1891b1f42d8SLucas Stach struct drm_sched_job { 1901b1f42d8SLucas Stach struct spsc_node queue_node; 1911b1f42d8SLucas Stach struct drm_gpu_scheduler *sched; 1921b1f42d8SLucas Stach struct drm_sched_fence *s_fence; 1931b1f42d8SLucas Stach struct dma_fence_cb finish_cb; 1941b1f42d8SLucas Stach struct work_struct finish_work; 1951b1f42d8SLucas Stach struct list_head node; 1961b1f42d8SLucas Stach uint64_t id; 1971b1f42d8SLucas Stach atomic_t karma; 1981b1f42d8SLucas Stach enum drm_sched_priority s_priority; 1998ee3a52eSEmily Deng struct drm_sched_entity *entity; 2001b1f42d8SLucas Stach }; 2011b1f42d8SLucas Stach 2021b1f42d8SLucas Stach static inline bool drm_sched_invalidate_job(struct drm_sched_job *s_job, 2031b1f42d8SLucas Stach int threshold) 2041b1f42d8SLucas Stach { 2051b1f42d8SLucas Stach return (s_job && atomic_inc_return(&s_job->karma) > threshold); 2061b1f42d8SLucas Stach } 2071b1f42d8SLucas Stach 2081b1f42d8SLucas Stach /** 2092d33948eSNayan Deshmukh * struct drm_sched_backend_ops 2102d33948eSNayan Deshmukh * 2111b1f42d8SLucas Stach * Define the backend operations called by the scheduler, 2122d33948eSNayan Deshmukh * these functions should be implemented in driver side. 2131b1f42d8SLucas Stach */ 2141b1f42d8SLucas Stach struct drm_sched_backend_ops { 2152d33948eSNayan Deshmukh /** 2162d33948eSNayan Deshmukh * @dependency: Called when the scheduler is considering scheduling 2172d33948eSNayan Deshmukh * this job next, to get another struct dma_fence for this job to 2181a61ee07SEric Anholt * block on. Once it returns NULL, run_job() may be called. 2191a61ee07SEric Anholt */ 2201b1f42d8SLucas Stach struct dma_fence *(*dependency)(struct drm_sched_job *sched_job, 2211b1f42d8SLucas Stach struct drm_sched_entity *s_entity); 2221a61ee07SEric Anholt 2232d33948eSNayan Deshmukh /** 2242d33948eSNayan Deshmukh * @run_job: Called to execute the job once all of the dependencies 2252d33948eSNayan Deshmukh * have been resolved. This may be called multiple times, if 2261a61ee07SEric Anholt * timedout_job() has happened and drm_sched_job_recovery() 2271a61ee07SEric Anholt * decides to try it again. 2281a61ee07SEric Anholt */ 2291b1f42d8SLucas Stach struct dma_fence *(*run_job)(struct drm_sched_job *sched_job); 2301a61ee07SEric Anholt 2312d33948eSNayan Deshmukh /** 2322d33948eSNayan Deshmukh * @timedout_job: Called when a job has taken too long to execute, 2332d33948eSNayan Deshmukh * to trigger GPU recovery. 2341a61ee07SEric Anholt */ 2351b1f42d8SLucas Stach void (*timedout_job)(struct drm_sched_job *sched_job); 2361a61ee07SEric Anholt 2372d33948eSNayan Deshmukh /** 2382d33948eSNayan Deshmukh * @free_job: Called once the job's finished fence has been signaled 2392d33948eSNayan Deshmukh * and it's time to clean it up. 2401a61ee07SEric Anholt */ 2411b1f42d8SLucas Stach void (*free_job)(struct drm_sched_job *sched_job); 2421b1f42d8SLucas Stach }; 2431b1f42d8SLucas Stach 2441b1f42d8SLucas Stach /** 2452d33948eSNayan Deshmukh * struct drm_gpu_scheduler 2462d33948eSNayan Deshmukh * 2472d33948eSNayan Deshmukh * @ops: backend operations provided by the driver. 2482d33948eSNayan Deshmukh * @hw_submission_limit: the max size of the hardware queue. 2492d33948eSNayan Deshmukh * @timeout: the time after which a job is removed from the scheduler. 2502d33948eSNayan Deshmukh * @name: name of the ring for which this scheduler is being used. 2512d33948eSNayan Deshmukh * @sched_rq: priority wise array of run queues. 2522d33948eSNayan Deshmukh * @wake_up_worker: the wait queue on which the scheduler sleeps until a job 2532d33948eSNayan Deshmukh * is ready to be scheduled. 2542d33948eSNayan Deshmukh * @job_scheduled: once @drm_sched_entity_do_release is called the scheduler 2552d33948eSNayan Deshmukh * waits on this wait queue until all the scheduled jobs are 2562d33948eSNayan Deshmukh * finished. 2572d33948eSNayan Deshmukh * @hw_rq_count: the number of jobs currently in the hardware queue. 2582d33948eSNayan Deshmukh * @job_id_count: used to assign unique id to the each job. 2596a962430SNayan Deshmukh * @work_tdr: schedules a delayed call to @drm_sched_job_timedout after the 2606a962430SNayan Deshmukh * timeout interval is over. 2612d33948eSNayan Deshmukh * @thread: the kthread on which the scheduler which run. 2622d33948eSNayan Deshmukh * @ring_mirror_list: the list of jobs which are currently in the job queue. 2632d33948eSNayan Deshmukh * @job_list_lock: lock to protect the ring_mirror_list. 2642d33948eSNayan Deshmukh * @hang_limit: once the hangs by a job crosses this limit then it is marked 2652d33948eSNayan Deshmukh * guilty and it will be considered for scheduling further. 266249a07c0SNayan Deshmukh * @num_jobs: the number of jobs in queue in the scheduler 267faf6e1a8SAndrey Grodzovsky * @ready: marks if the underlying HW is ready to work 2682d33948eSNayan Deshmukh * 2692d33948eSNayan Deshmukh * One scheduler is implemented for each hardware ring. 2701b1f42d8SLucas Stach */ 2711b1f42d8SLucas Stach struct drm_gpu_scheduler { 2721b1f42d8SLucas Stach const struct drm_sched_backend_ops *ops; 2731b1f42d8SLucas Stach uint32_t hw_submission_limit; 2741b1f42d8SLucas Stach long timeout; 2751b1f42d8SLucas Stach const char *name; 2761b1f42d8SLucas Stach struct drm_sched_rq sched_rq[DRM_SCHED_PRIORITY_MAX]; 2771b1f42d8SLucas Stach wait_queue_head_t wake_up_worker; 2781b1f42d8SLucas Stach wait_queue_head_t job_scheduled; 2791b1f42d8SLucas Stach atomic_t hw_rq_count; 2801b1f42d8SLucas Stach atomic64_t job_id_count; 2816a962430SNayan Deshmukh struct delayed_work work_tdr; 2821b1f42d8SLucas Stach struct task_struct *thread; 2831b1f42d8SLucas Stach struct list_head ring_mirror_list; 2841b1f42d8SLucas Stach spinlock_t job_list_lock; 2851b1f42d8SLucas Stach int hang_limit; 286249a07c0SNayan Deshmukh atomic_t num_jobs; 287faf6e1a8SAndrey Grodzovsky bool ready; 2881b1f42d8SLucas Stach }; 2891b1f42d8SLucas Stach 2901b1f42d8SLucas Stach int drm_sched_init(struct drm_gpu_scheduler *sched, 2911b1f42d8SLucas Stach const struct drm_sched_backend_ops *ops, 2921b1f42d8SLucas Stach uint32_t hw_submission, unsigned hang_limit, long timeout, 2931b1f42d8SLucas Stach const char *name); 294faf6e1a8SAndrey Grodzovsky 2951b1f42d8SLucas Stach void drm_sched_fini(struct drm_gpu_scheduler *sched); 296620e762fSChristian König int drm_sched_job_init(struct drm_sched_job *job, 297620e762fSChristian König struct drm_sched_entity *entity, 298620e762fSChristian König void *owner); 29926efecf9SSharat Masetty void drm_sched_job_cleanup(struct drm_sched_job *job); 300620e762fSChristian König void drm_sched_wakeup(struct drm_gpu_scheduler *sched); 301222b5f04SAndrey Grodzovsky void drm_sched_stop(struct drm_gpu_scheduler *sched); 302222b5f04SAndrey Grodzovsky void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery); 303222b5f04SAndrey Grodzovsky void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched); 304222b5f04SAndrey Grodzovsky void drm_sched_increase_karma(struct drm_sched_job *bad); 305620e762fSChristian König bool drm_sched_dependency_optimized(struct dma_fence* fence, 306620e762fSChristian König struct drm_sched_entity *entity); 3078fe159b0SChristian König void drm_sched_fault(struct drm_gpu_scheduler *sched); 308620e762fSChristian König void drm_sched_job_kickout(struct drm_sched_job *s_job); 309620e762fSChristian König 310620e762fSChristian König void drm_sched_rq_add_entity(struct drm_sched_rq *rq, 311620e762fSChristian König struct drm_sched_entity *entity); 312620e762fSChristian König void drm_sched_rq_remove_entity(struct drm_sched_rq *rq, 313620e762fSChristian König struct drm_sched_entity *entity); 3141b1f42d8SLucas Stach 315aa16b6c6SNayan Deshmukh int drm_sched_entity_init(struct drm_sched_entity *entity, 316aa16b6c6SNayan Deshmukh struct drm_sched_rq **rq_list, 317aa16b6c6SNayan Deshmukh unsigned int num_rq_list, 3188344c53fSNayan Deshmukh atomic_t *guilty); 319cdc50176SNayan Deshmukh long drm_sched_entity_flush(struct drm_sched_entity *entity, long timeout); 320cdc50176SNayan Deshmukh void drm_sched_entity_fini(struct drm_sched_entity *entity); 321cdc50176SNayan Deshmukh void drm_sched_entity_destroy(struct drm_sched_entity *entity); 322620e762fSChristian König void drm_sched_entity_select_rq(struct drm_sched_entity *entity); 323620e762fSChristian König struct drm_sched_job *drm_sched_entity_pop_job(struct drm_sched_entity *entity); 3241b1f42d8SLucas Stach void drm_sched_entity_push_job(struct drm_sched_job *sched_job, 3251b1f42d8SLucas Stach struct drm_sched_entity *entity); 3267febe4bfSChristian König void drm_sched_entity_set_priority(struct drm_sched_entity *entity, 3277febe4bfSChristian König enum drm_sched_priority priority); 328620e762fSChristian König bool drm_sched_entity_is_ready(struct drm_sched_entity *entity); 329620e762fSChristian König 3301b1f42d8SLucas Stach struct drm_sched_fence *drm_sched_fence_create( 3311b1f42d8SLucas Stach struct drm_sched_entity *s_entity, void *owner); 3321b1f42d8SLucas Stach void drm_sched_fence_scheduled(struct drm_sched_fence *fence); 3331b1f42d8SLucas Stach void drm_sched_fence_finished(struct drm_sched_fence *fence); 3341b1f42d8SLucas Stach 3351db8c142SSharat Masetty unsigned long drm_sched_suspend_timeout(struct drm_gpu_scheduler *sched); 3361db8c142SSharat Masetty void drm_sched_resume_timeout(struct drm_gpu_scheduler *sched, 3371db8c142SSharat Masetty unsigned long remaining); 3381db8c142SSharat Masetty 3391b1f42d8SLucas Stach #endif 340