From: Matthew Brost Date: Wed, 24 Jul 2024 23:59:19 +0000 (-0700) Subject: drm/xe: Resume TDR after GT reset X-Git-Tag: v6.12-rc2~22^2^2~6 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1b30f87e088b499eb74298db256da5c98e8276e2;p=thirdparty%2Fkernel%2Flinux.git drm/xe: Resume TDR after GT reset 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 Reviewed-by: Nirmoy Das Link: https://patchwork.freedesktop.org/patch/msgid/20240724235919.1917216-1-matthew.brost@intel.com (cherry picked from commit 8ec5a4e5ce97d6ee9f5eb5b4ce4cfc831976fdec) Signed-off-by: Lucas De Marchi --- diff --git a/drivers/gpu/drm/xe/xe_gpu_scheduler.c b/drivers/gpu/drm/xe/xe_gpu_scheduler.c index c518d1d16d828..50361b4638f96 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 cee9c6809fc0d..5ad5629a6c604 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); void xe_sched_add_msg_locked(struct xe_gpu_scheduler *sched, diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c index 98a6a385a7964..80062e1d3f663 100644 --- a/drivers/gpu/drm/xe/xe_guc_submit.c +++ b/drivers/gpu/drm/xe/xe_guc_submit.c @@ -1826,6 +1826,7 @@ 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)