diff options
| author | Christian König <christian.koenig@amd.com> | 2015-08-21 15:46:43 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-08-26 17:52:18 -0400 |
| commit | 062c7fb3ebb42d2a50d4644b3e49e731361e6951 (patch) | |
| tree | 7bdedd365524f4ca29fe78e8da1fc9602228669a /drivers/gpu/drm/amd/scheduler | |
| parent | 02537d63623ce5281c20d76f1b61797a7836acf4 (diff) | |
drm/amdgpu: remove entity idle timeout v2
Removing the entity from scheduling can deadlock the whole system.
Wait forever till the remaining IBs are scheduled.
v2: fix comment as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
Diffstat (limited to 'drivers/gpu/drm/amd/scheduler')
| -rw-r--r-- | drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/scheduler/gpu_scheduler.h | 6 |
2 files changed, 7 insertions, 17 deletions
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index 2df6f174ba7b..ca22d9032477 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -167,32 +167,24 @@ static bool amd_sched_entity_is_idle(struct amd_sched_entity *entity) * @sched Pointer to scheduler instance * @entity The pointer to a valid scheduler entity * - * return 0 if succeed. negative error code on failure + * Cleanup and free the allocated resources. */ -int amd_sched_entity_fini(struct amd_gpu_scheduler *sched, - struct amd_sched_entity *entity) +void amd_sched_entity_fini(struct amd_gpu_scheduler *sched, + struct amd_sched_entity *entity) { struct amd_sched_rq *rq = entity->belongto_rq; - long r; if (!amd_sched_entity_is_initialized(sched, entity)) - return 0; + return; /** * The client will not queue more IBs during this fini, consume existing * queued IBs */ - r = wait_event_timeout(entity->wait_queue, - amd_sched_entity_is_idle(entity), - msecs_to_jiffies(AMD_GPU_WAIT_IDLE_TIMEOUT_IN_MS)); - - if (r <= 0) - DRM_INFO("Entity %p is in waiting state during fini\n", - entity); + wait_event(entity->wait_queue, amd_sched_entity_is_idle(entity)); amd_sched_rq_remove_entity(rq, entity); kfifo_free(&entity->job_queue); - return r; } /** diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index 44909b16c3a3..128f908c6021 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -27,8 +27,6 @@ #include <linux/kfifo.h> #include <linux/fence.h> -#define AMD_GPU_WAIT_IDLE_TIMEOUT_IN_MS 3000 - struct amd_gpu_scheduler; struct amd_sched_rq; @@ -124,8 +122,8 @@ int amd_sched_entity_init(struct amd_gpu_scheduler *sched, struct amd_sched_entity *entity, struct amd_sched_rq *rq, uint32_t jobs); -int amd_sched_entity_fini(struct amd_gpu_scheduler *sched, - struct amd_sched_entity *entity); +void amd_sched_entity_fini(struct amd_gpu_scheduler *sched, + struct amd_sched_entity *entity); int amd_sched_entity_push_job(struct amd_sched_job *sched_job); struct amd_sched_fence *amd_sched_fence_create( |