From 6d1d2a46987c71af7ba7d9bfcd280a1bb10bfd6e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Fri, 12 Oct 2018 16:47:13 +0200 Subject: [PATCH 0756/2940] drm/sched: add drm_sched_fault MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a helper to immediately start timeout handling in case of a hardware fault. Signed-off-by: Christian König Reviewed-by: Andrey Grodzovsky Signed-off-by: Alex Deucher --- drivers/gpu/drm/scheduler/sched_main.c | 13 +++++++++++++ include/drm/gpu_scheduler.h | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index b7e4572f811f..2e416c3fd206 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -182,6 +182,19 @@ bool drm_sched_dependency_optimized(struct dma_fence* fence, } EXPORT_SYMBOL(drm_sched_dependency_optimized); +/** + * drm_sched_fault - immediately start timeout handler + * + * @sched: scheduler where the timeout handling should be started. + * + * Start timeout handling immediately when the driver detects a hardware fault. + */ +void drm_sched_fault(struct drm_gpu_scheduler *sched) +{ + mod_delayed_work(system_wq, &sched->work_tdr, 0); +} +EXPORT_SYMBOL(drm_sched_fault); + /* job_finish is called after hw fence signaled */ static void drm_sched_job_finish(struct work_struct *work) diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index 872ab2ea51a1..b0646520b971 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -299,6 +299,7 @@ void drm_sched_hw_job_reset(struct drm_gpu_scheduler *sched, void drm_sched_job_recovery(struct drm_gpu_scheduler *sched); bool drm_sched_dependency_optimized(struct dma_fence* fence, struct drm_sched_entity *entity); +void drm_sched_fault(struct drm_gpu_scheduler *sched); void drm_sched_job_kickout(struct drm_sched_job *s_job); void drm_sched_rq_add_entity(struct drm_sched_rq *rq, -- 2.17.1