Add helper to queue TDR immediately for current and future jobs. This
will be used in XE, new Intel GPU driver, to trigger the TDR to cleanup
a drm_scheduler that encounter errors.
v2:
- Drop timeout args, rename function, use mod delayed work (Luben)
Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
---
drivers/gpu/drm/scheduler/sched_main.c | 19 ++++++++++++++++++-
include/drm/gpu_scheduler.h | 1 +
2 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index e8a3e6033f66..88ef8be2d3c7 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -435,7 +435,7 @@ 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)
@@ -445,6 +445,23 @@ 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 timeout handler including future
+ * jobs
+ *
+ * @sched: scheduler where the timeout handling should be started.
+ *
+ * Start timeout handling immediately for current and future jobs
+ */
+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 7e6c121003ca..27f5778bbd6d 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -568,6 +568,7 @@ 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_submit_ready(struct drm_gpu_scheduler *sched);
--
2.34.1
