drm/amdgpu: add amd_sched_commit

This function is to update last_emitted_v_seq and wake up the waiters.

It should be called by driver in the run_job backend function

Signed-off-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jammy Zhou 2015-07-31 17:18:15 +08:00 committed by Alex Deucher
parent ea199cc9f8
commit f95b7e3e86
3 changed files with 16 additions and 3 deletions

View File

@ -62,9 +62,8 @@ static void amdgpu_sched_run_job(struct amd_gpu_scheduler *sched,
if (r)
goto err;
}
atomic64_set(&c_entity->last_emitted_v_seq,
sched_job->ibs[sched_job->num_ibs - 1].sequence);
wake_up_all(&c_entity->wait_emit);
amd_sched_emit(c_entity, sched_job->ibs[sched_job->num_ibs - 1].sequence);
mutex_unlock(&sched_job->job_lock);
return;

View File

@ -495,3 +495,15 @@ int amd_sched_destroy(struct amd_gpu_scheduler *sched)
return 0;
}
/**
* Update emitted sequence and wake up the waiters, called by run_job
* in driver side
*
* @entity The context entity
* @seq The sequence number for the latest emitted job
*/
void amd_sched_emit(struct amd_context_entity *c_entity, uint64_t seq)
{
atomic64_set(&c_entity->last_emitted_v_seq, seq);
wake_up_all(&c_entity->wait_emit);
}

View File

@ -151,4 +151,6 @@ int amd_context_entity_init(struct amd_gpu_scheduler *sched,
uint32_t context_id,
uint32_t jobs);
void amd_sched_emit(struct amd_context_entity *c_entity, uint64_t seq);
#endif