This is a note to let you know that I've just added the patch titled
drm/xe: Resume TDR after GT reset
to the 6.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-xe-resume-tdr-after-gt-reset.patch
and it can be found in the queue-6.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2fc40a92b37bb98b667be6a81ea1dc3eee94a2fb
Author: Matthew Brost <matthew.brost@xxxxxxxxx>
Date: Wed Jul 24 16:59:19 2024 -0700
drm/xe: Resume TDR after GT reset
[ Upstream commit 1b30f87e088b499eb74298db256da5c98e8276e2 ]
Not starting the TDR after GT reset on exec queue which have been
restarted can lead to jobs being able to be run forever. Fix this by
restarting the TDR.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
Reviewed-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20240724235919.1917216-1-matthew.brost@xxxxxxxxx
(cherry picked from commit 8ec5a4e5ce97d6ee9f5eb5b4ce4cfc831976fdec)
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/xe/xe_gpu_scheduler.c b/drivers/gpu/drm/xe/xe_gpu_scheduler.c
index e4ad1d6ce1d5f..7f24e58cc992f 100644
--- a/drivers/gpu/drm/xe/xe_gpu_scheduler.c
+++ b/drivers/gpu/drm/xe/xe_gpu_scheduler.c
@@ -90,6 +90,11 @@ void xe_sched_submission_stop(struct xe_gpu_scheduler *sched)
cancel_work_sync(&sched->work_process_msg);
}
+void xe_sched_submission_resume_tdr(struct xe_gpu_scheduler *sched)
+{
+ drm_sched_resume_timeout(&sched->base, sched->base.timeout);
+}
+
void xe_sched_add_msg(struct xe_gpu_scheduler *sched,
struct xe_sched_msg *msg)
{
diff --git a/drivers/gpu/drm/xe/xe_gpu_scheduler.h b/drivers/gpu/drm/xe/xe_gpu_scheduler.h
index 10c6bb9c93868..6aac7fe686735 100644
--- a/drivers/gpu/drm/xe/xe_gpu_scheduler.h
+++ b/drivers/gpu/drm/xe/xe_gpu_scheduler.h
@@ -22,6 +22,8 @@ void xe_sched_fini(struct xe_gpu_scheduler *sched);
void xe_sched_submission_start(struct xe_gpu_scheduler *sched);
void xe_sched_submission_stop(struct xe_gpu_scheduler *sched);
+void xe_sched_submission_resume_tdr(struct xe_gpu_scheduler *sched);
+
void xe_sched_add_msg(struct xe_gpu_scheduler *sched,
struct xe_sched_msg *msg);
diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index 3d91734980110..64b3a7848f4ab 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -1740,6 +1740,7 @@ static void guc_exec_queue_start(struct xe_exec_queue *q)
}
xe_sched_submission_start(sched);
+ xe_sched_submission_resume_tdr(sched);
}
int xe_guc_submit_start(struct xe_guc *guc)
