diff mbox series

[v7,6/6] drm/sched: Add a helper to queue TDR immediately

Message ID 20231026041236.1273694-7-matthew.brost@intel.com (mailing list archive)
State New, archived
Headers show
Series DRM scheduler changes for Xe | expand

Commit Message

Matthew Brost Oct. 26, 2023, 4:12 a.m. UTC 
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>
---
 drivers/gpu/drm/scheduler/sched_main.c | 18 +++++++++++++++++-
 include/drm/gpu_scheduler.h            |  1 +
 2 files changed, 18 insertions(+), 1 deletion(-)

Comments

Luben Tuikov Oct. 26, 2023, 4:41 a.m. UTC | #1 
On 2023-10-26 00:12, Matthew Brost wrote:
> 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>
> ---
>  drivers/gpu/drm/scheduler/sched_main.c | 18 +++++++++++++++++-
>  include/drm/gpu_scheduler.h            |  1 +
>  2 files changed, 18 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
> index ae66cabc3162..246213963928 100644
> --- a/drivers/gpu/drm/scheduler/sched_main.c
> +++ b/drivers/gpu/drm/scheduler/sched_main.c
> @@ -389,7 +389,7 @@ 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)
> @@ -399,6 +399,22 @@ 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

No need for a colon char (:) after the name.

Regards,
Luben

> + *
> + * @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
>   *
> diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
> index 37749f561866..e5a6166eb152 100644
> --- a/include/drm/gpu_scheduler.h
> +++ b/include/drm/gpu_scheduler.h
> @@ -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);
diff mbox series

Patch

diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index ae66cabc3162..246213963928 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -389,7 +389,7 @@  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)
@@ -399,6 +399,22 @@  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
  *
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 37749f561866..e5a6166eb152 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -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);