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Diffstat (limited to 'include/drm/gpu_scheduler.h')
-rw-r--r--include/drm/gpu_scheduler.h122
1 files changed, 51 insertions, 71 deletions
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 6bf458dbce84..50928a7ae98e 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -71,12 +71,6 @@ enum drm_sched_priority {
DRM_SCHED_PRIORITY_COUNT
};
-/* Used to choose between FIFO and RR job-scheduling */
-extern int drm_sched_policy;
-
-#define DRM_SCHED_POLICY_RR 0
-#define DRM_SCHED_POLICY_FIFO 1
-
/**
* struct drm_sched_entity - A wrapper around a job queue (typically
* attached to the DRM file_priv).
@@ -338,8 +332,14 @@ struct drm_sched_fence *to_drm_sched_fence(struct dma_fence *f);
* to schedule the job.
*/
struct drm_sched_job {
- struct spsc_node queue_node;
- struct list_head list;
+ u64 id;
+
+ /**
+ * @submit_ts:
+ *
+ * When the job was pushed into the entity queue.
+ */
+ ktime_t submit_ts;
/**
* @sched:
@@ -349,24 +349,30 @@ struct drm_sched_job {
* has finished.
*/
struct drm_gpu_scheduler *sched;
+
struct drm_sched_fence *s_fence;
+ struct drm_sched_entity *entity;
+ enum drm_sched_priority s_priority;
u32 credits;
+ /** @last_dependency: tracks @dependencies as they signal */
+ unsigned int last_dependency;
+ atomic_t karma;
+
+ struct spsc_node queue_node;
+ struct list_head list;
/*
* work is used only after finish_cb has been used and will not be
* accessed anymore.
*/
union {
- struct dma_fence_cb finish_cb;
- struct work_struct work;
+ struct dma_fence_cb finish_cb;
+ struct work_struct work;
};
- uint64_t id;
- atomic_t karma;
- enum drm_sched_priority s_priority;
- struct drm_sched_entity *entity;
struct dma_fence_cb cb;
+
/**
* @dependencies:
*
@@ -375,24 +381,8 @@ struct drm_sched_job {
* drm_sched_job_add_implicit_dependencies().
*/
struct xarray dependencies;
-
- /** @last_dependency: tracks @dependencies as they signal */
- unsigned long last_dependency;
-
- /**
- * @submit_ts:
- *
- * When the job was pushed into the entity queue.
- */
- ktime_t submit_ts;
};
-static inline bool drm_sched_invalidate_job(struct drm_sched_job *s_job,
- int threshold)
-{
- return s_job && atomic_inc_return(&s_job->karma) > threshold;
-}
-
enum drm_gpu_sched_stat {
DRM_GPU_SCHED_STAT_NONE, /* Reserve 0 */
DRM_GPU_SCHED_STAT_NOMINAL,
@@ -570,14 +560,36 @@ struct drm_sched_init_args {
struct device *dev;
};
+/* Scheduler operations */
+
int drm_sched_init(struct drm_gpu_scheduler *sched,
const struct drm_sched_init_args *args);
void drm_sched_fini(struct drm_gpu_scheduler *sched);
+
+unsigned long drm_sched_suspend_timeout(struct drm_gpu_scheduler *sched);
+void drm_sched_resume_timeout(struct drm_gpu_scheduler *sched,
+ unsigned long remaining);
+void drm_sched_tdr_queue_imm(struct drm_gpu_scheduler *sched);
+bool drm_sched_wqueue_ready(struct drm_gpu_scheduler *sched);
+void drm_sched_wqueue_stop(struct drm_gpu_scheduler *sched);
+void drm_sched_wqueue_start(struct drm_gpu_scheduler *sched);
+void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad);
+void drm_sched_start(struct drm_gpu_scheduler *sched, int errno);
+void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched);
+void drm_sched_fault(struct drm_gpu_scheduler *sched);
+
+struct drm_gpu_scheduler *
+drm_sched_pick_best(struct drm_gpu_scheduler **sched_list,
+ unsigned int num_sched_list);
+
+/* Jobs */
+
int drm_sched_job_init(struct drm_sched_job *job,
struct drm_sched_entity *entity,
u32 credits, void *owner);
void drm_sched_job_arm(struct drm_sched_job *job);
+void drm_sched_entity_push_job(struct drm_sched_job *sched_job);
int drm_sched_job_add_dependency(struct drm_sched_job *job,
struct dma_fence *fence);
int drm_sched_job_add_syncobj_dependency(struct drm_sched_job *job,
@@ -592,30 +604,16 @@ int drm_sched_job_add_implicit_dependencies(struct drm_sched_job *job,
bool write);
bool drm_sched_job_has_dependency(struct drm_sched_job *job,
struct dma_fence *fence);
-
-void drm_sched_entity_modify_sched(struct drm_sched_entity *entity,
- struct drm_gpu_scheduler **sched_list,
- unsigned int num_sched_list);
-
-void drm_sched_tdr_queue_imm(struct drm_gpu_scheduler *sched);
void drm_sched_job_cleanup(struct drm_sched_job *job);
-void drm_sched_wakeup(struct drm_gpu_scheduler *sched);
-bool drm_sched_wqueue_ready(struct drm_gpu_scheduler *sched);
-void drm_sched_wqueue_stop(struct drm_gpu_scheduler *sched);
-void drm_sched_wqueue_start(struct drm_gpu_scheduler *sched);
-void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad);
-void drm_sched_start(struct drm_gpu_scheduler *sched, int errno);
-void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched);
void drm_sched_increase_karma(struct drm_sched_job *bad);
-void drm_sched_fault(struct drm_gpu_scheduler *sched);
-void drm_sched_rq_add_entity(struct drm_sched_rq *rq,
- struct drm_sched_entity *entity);
-void drm_sched_rq_remove_entity(struct drm_sched_rq *rq,
- struct drm_sched_entity *entity);
+static inline bool drm_sched_invalidate_job(struct drm_sched_job *s_job,
+ int threshold)
+{
+ return s_job && atomic_inc_return(&s_job->karma) > threshold;
+}
-void drm_sched_rq_update_fifo_locked(struct drm_sched_entity *entity,
- struct drm_sched_rq *rq, ktime_t ts);
+/* Entities */
int drm_sched_entity_init(struct drm_sched_entity *entity,
enum drm_sched_priority priority,
@@ -625,29 +623,11 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
long drm_sched_entity_flush(struct drm_sched_entity *entity, long timeout);
void drm_sched_entity_fini(struct drm_sched_entity *entity);
void drm_sched_entity_destroy(struct drm_sched_entity *entity);
-void drm_sched_entity_select_rq(struct drm_sched_entity *entity);
-struct drm_sched_job *drm_sched_entity_pop_job(struct drm_sched_entity *entity);
-void drm_sched_entity_push_job(struct drm_sched_job *sched_job);
void drm_sched_entity_set_priority(struct drm_sched_entity *entity,
enum drm_sched_priority priority);
-bool drm_sched_entity_is_ready(struct drm_sched_entity *entity);
int drm_sched_entity_error(struct drm_sched_entity *entity);
-
-struct drm_sched_fence *drm_sched_fence_alloc(
- struct drm_sched_entity *s_entity, void *owner);
-void drm_sched_fence_init(struct drm_sched_fence *fence,
- struct drm_sched_entity *entity);
-void drm_sched_fence_free(struct drm_sched_fence *fence);
-
-void drm_sched_fence_scheduled(struct drm_sched_fence *fence,
- struct dma_fence *parent);
-void drm_sched_fence_finished(struct drm_sched_fence *fence, int result);
-
-unsigned long drm_sched_suspend_timeout(struct drm_gpu_scheduler *sched);
-void drm_sched_resume_timeout(struct drm_gpu_scheduler *sched,
- unsigned long remaining);
-struct drm_gpu_scheduler *
-drm_sched_pick_best(struct drm_gpu_scheduler **sched_list,
- unsigned int num_sched_list);
+void drm_sched_entity_modify_sched(struct drm_sched_entity *entity,
+ struct drm_gpu_scheduler **sched_list,
+ unsigned int num_sched_list);
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-15 07:08:07 +0000