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drm/scheduler: properly forward fence errors

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When a hw fence is signaled with an error properly forward that to the
finished fence.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230420115752.31470-1-christian.koenig@amd.com
This commit is contained in:
Christian König
2023-04-17 13:36:02 +02:00
parent 15f5ee6b77
commit 539f9ee4b5
4 changed files with 13 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/scheduler/sched_entity.c
View File

@@ -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))

4
drivers/gpu/drm/scheduler/sched_fence.c
View File

@@ -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);
}

18
drivers/gpu/drm/scheduler/sched_main.c
View File

@@ -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);

2
include/drm/gpu_scheduler.h
View File

@@ -598,7 +598,7 @@ void drm_sched_fence_init(struct drm_sched_fence *fence,
void drm_sched_fence_free(struct drm_sched_fence *fence);
void drm_sched_fence_scheduled(struct drm_sched_fence *fence);
void drm_sched_fence_finished(struct drm_sched_fence *fence);
void drm_sched_fence_finished(struct drm_sched_fence *fence, int result);
unsigned long drm_sched_suspend_timeout(struct drm_gpu_scheduler *sched);
void drm_sched_resume_timeout(struct drm_gpu_scheduler *sched,