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drm/sched: Add a helper to queue TDR immediately

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Add a helper whereby a driver can invoke TDR immediately.

v2:
 - Drop timeout args, rename function, use mod delayed work (Luben)
v3:
 - s/XE/Xe (Luben)
 - present tense in commit message (Luben)
 - Adjust comment for drm_sched_tdr_queue_imm (Luben)
v4:
 - Adjust commit message (Luben)

Cc: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://lore.kernel.org/r/20231031032439.1558703-6-matthew.brost@intel.com
Signed-off-by: Luben Tuikov <ltuikov89@gmail.com>
This commit is contained in:
Matthew Brost 2023-10-30 20:24:39 -07:00 committed by Luben Tuikov
parent 7a36dcfa16
commit 3c6c7ca450
2 changed files with 18 additions and 1 deletions
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18
drivers/gpu/drm/scheduler/sched_main.c
View File

@ -338,7 +338,7 @@ static void drm_sched_start_timeout(struct drm_gpu_scheduler *sched)
if (sched->timeout != MAX_SCHEDULE_TIMEOUT &&
!list_empty(&sched->pending_list))
queue_delayed_work(sched->timeout_wq, &sched->work_tdr, sched->timeout);
mod_delayed_work(sched->timeout_wq, &sched->work_tdr, sched->timeout);
}
static void drm_sched_start_timeout_unlocked(struct drm_gpu_scheduler *sched)
@ -348,6 +348,22 @@ static void drm_sched_start_timeout_unlocked(struct drm_gpu_scheduler *sched)
spin_unlock(&sched->job_list_lock);
}
/**
* drm_sched_tdr_queue_imm: - immediately start job timeout handler
*
* @sched: scheduler for which the timeout handling should be started.
*
* Start timeout handling immediately for the named scheduler.
*/
void drm_sched_tdr_queue_imm(struct drm_gpu_scheduler *sched)
{
spin_lock(&sched->job_list_lock);
sched->timeout = 0;
drm_sched_start_timeout(sched);
spin_unlock(&sched->job_list_lock);
}
EXPORT_SYMBOL(drm_sched_tdr_queue_imm);
/**
* drm_sched_fault - immediately start timeout handler
*

1
include/drm/gpu_scheduler.h
View File

@ -557,6 +557,7 @@ 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_if_can_queue(struct drm_gpu_scheduler *sched);
bool drm_sched_wqueue_ready(struct drm_gpu_scheduler *sched);