From 539f9ee4b52a8bec95ff064e22dd2fb1e258e818 Mon Sep 17 00:00:00 2001 From: Christian König Date: Mon, 17 Apr 2023 13:36:02 +0200 Subject: drm/scheduler: properly forward fence errors MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When a hw fence is signaled with an error properly forward that to the finished fence. Signed-off-by: Christian König Reviewed-by: Luben Tuikov Link: https://patchwork.freedesktop.org/patch/msgid/20230420115752.31470-1-christian.koenig@amd.com --- drivers/gpu/drm/scheduler/sched_entity.c | 4 +--- drivers/gpu/drm/scheduler/sched_fence.c | 4 +++- drivers/gpu/drm/scheduler/sched_main.c | 18 ++++++++---------- 3 files changed, 12 insertions(+), 14 deletions(-) (limited to 'drivers') diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c index 3e2a31d8190e..1795cd7e42ed 100644 --- a/drivers/gpu/drm/scheduler/sched_entity.c +++ b/drivers/gpu/drm/scheduler/sched_entity.c @@ -144,7 +144,7 @@ static void drm_sched_entity_kill_jobs_work(struct work_struct *wrk) { struct drm_sched_job *job = container_of(wrk, typeof(*job), work); - drm_sched_fence_finished(job->s_fence); + drm_sched_fence_finished(job->s_fence, -ESRCH); WARN_ON(job->s_fence->parent); job->sched->ops->free_job(job); } @@ -195,8 +195,6 @@ static void drm_sched_entity_kill(struct drm_sched_entity *entity) while ((job = to_drm_sched_job(spsc_queue_pop(&entity->job_queue)))) { struct drm_sched_fence *s_fence = job->s_fence; - dma_fence_set_error(&s_fence->finished, -ESRCH); - dma_fence_get(&s_fence->finished); if (!prev || dma_fence_add_callback(prev, &job->finish_cb, drm_sched_entity_kill_jobs_cb)) diff --git a/drivers/gpu/drm/scheduler/sched_fence.c b/drivers/gpu/drm/scheduler/sched_fence.c index fe9c6468e440..ef120475e7c6 100644 --- a/drivers/gpu/drm/scheduler/sched_fence.c +++ b/drivers/gpu/drm/scheduler/sched_fence.c @@ -53,8 +53,10 @@ void drm_sched_fence_scheduled(struct drm_sched_fence *fence) dma_fence_signal(&fence->scheduled); } -void drm_sched_fence_finished(struct drm_sched_fence *fence) +void drm_sched_fence_finished(struct drm_sched_fence *fence, int result) { + if (result) + dma_fence_set_error(&fence->finished, result); dma_fence_signal(&fence->finished); } diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index c3582c4fc299..8d248ce233c8 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -262,7 +262,7 @@ drm_sched_rq_select_entity_fifo(struct drm_sched_rq *rq) * * Finish the job's fence and wake up the worker thread. */ -static void drm_sched_job_done(struct drm_sched_job *s_job) +static void drm_sched_job_done(struct drm_sched_job *s_job, int result) { struct drm_sched_fence *s_fence = s_job->s_fence; struct drm_gpu_scheduler *sched = s_fence->sched; @@ -273,7 +273,7 @@ static void drm_sched_job_done(struct drm_sched_job *s_job) trace_drm_sched_process_job(s_fence); dma_fence_get(&s_fence->finished); - drm_sched_fence_finished(s_fence); + drm_sched_fence_finished(s_fence, result); dma_fence_put(&s_fence->finished); wake_up_interruptible(&sched->wake_up_worker); } @@ -287,7 +287,7 @@ static void drm_sched_job_done_cb(struct dma_fence *f, struct dma_fence_cb *cb) { struct drm_sched_job *s_job = container_of(cb, struct drm_sched_job, cb); - drm_sched_job_done(s_job); + drm_sched_job_done(s_job, f->error); } /** @@ -537,12 +537,12 @@ void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery) r = dma_fence_add_callback(fence, &s_job->cb, drm_sched_job_done_cb); if (r == -ENOENT) - drm_sched_job_done(s_job); + drm_sched_job_done(s_job, fence->error); else if (r) DRM_DEV_ERROR(sched->dev, "fence add callback failed (%d)\n", r); } else - drm_sched_job_done(s_job); + drm_sched_job_done(s_job, 0); } if (full_recovery) { @@ -1059,15 +1059,13 @@ static int drm_sched_main(void *param) r = dma_fence_add_callback(fence, &sched_job->cb, drm_sched_job_done_cb); if (r == -ENOENT) - drm_sched_job_done(sched_job); + drm_sched_job_done(sched_job, fence->error); else if (r) DRM_DEV_ERROR(sched->dev, "fence add callback failed (%d)\n", r); } else { - if (IS_ERR(fence)) - dma_fence_set_error(&s_fence->finished, PTR_ERR(fence)); - - drm_sched_job_done(sched_job); + drm_sched_job_done(sched_job, IS_ERR(fence) ? + PTR_ERR(fence) : 0); } wake_up(&sched->job_scheduled); -- cgit v1.2.3