drm/scheduler: rename dependency callback into prepare_job

This now matches much better what this is doing.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221014084641.128280-14-christian.koenig@amd.com
diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
index 26ed81a..52bf905 100644
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -396,8 +396,8 @@ drm_sched_job_dependency(struct drm_sched_job *job,
 	if (!xa_empty(&job->dependencies))
 		return xa_erase(&job->dependencies, job->last_dependency++);
 
-	if (job->sched->ops->dependency)
-		return job->sched->ops->dependency(job, entity);
+	if (job->sched->ops->prepare_job)
+		return job->sched->ops->prepare_job(job, entity);
 
 	return NULL;
 }