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[AMD Official Use Only - General]<br>
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Sure. We can pull it into amd-staging-drm-next as well if we need it for any customers in the short term.</div>
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Alex<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Christian König <ckoenig.leichtzumerken@gmail.com><br>
<b>Sent:</b> Friday, April 21, 2023 9:27 AM<br>
<b>To:</b> amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>; Deucher, Alexander <Alexander.Deucher@amd.com><br>
<b>Cc:</b> Tuikov, Luben <Luben.Tuikov@amd.com><br>
<b>Subject:</b> Re: [PATCH 1/8] drm/scheduler: properly forward fence errors</font>
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<div class="PlainText">Alex can I merge that through drm-misc-next or do we really need
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amd-staging-drm-next?<br>
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Christian.<br>
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Am 21.04.23 um 07:22 schrieb Luben Tuikov:<br>
> Hi Christian,<br>
><br>
> Thanks for working on this.<br>
><br>
> Series is,<br>
> Reviewed-by: Luben Tuikov <luben.tuikov@amd.com><br>
><br>
> Regards,<br>
> Luben<br>
><br>
> On 2023-04-20 07:57, Christian König wrote:<br>
>> When a hw fence is signaled with an error properly forward that to the<br>
>> finished fence.<br>
>><br>
>> Signed-off-by: Christian König <christian.koenig@amd.com><br>
>> ---<br>
>> drivers/gpu/drm/scheduler/sched_entity.c | 4 +---<br>
>> drivers/gpu/drm/scheduler/sched_fence.c | 4 +++-<br>
>> drivers/gpu/drm/scheduler/sched_main.c | 18 ++++++++----------<br>
>> include/drm/gpu_scheduler.h | 2 +-<br>
>> 4 files changed, 13 insertions(+), 15 deletions(-)<br>
>><br>
>> diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c<br>
>> index 15d04a0ec623..eaf71fe15ed3 100644<br>
>> --- a/drivers/gpu/drm/scheduler/sched_entity.c<br>
>> +++ b/drivers/gpu/drm/scheduler/sched_entity.c<br>
>> @@ -144,7 +144,7 @@ static void drm_sched_entity_kill_jobs_work(struct work_struct *wrk)<br>
>> {<br>
>> struct drm_sched_job *job = container_of(wrk, typeof(*job), work);<br>
>> <br>
>> - drm_sched_fence_finished(job->s_fence);<br>
>> + drm_sched_fence_finished(job->s_fence, -ESRCH);<br>
>> WARN_ON(job->s_fence->parent);<br>
>> job->sched->ops->free_job(job);<br>
>> }<br>
>> @@ -195,8 +195,6 @@ static void drm_sched_entity_kill(struct drm_sched_entity *entity)<br>
>> while ((job = to_drm_sched_job(spsc_queue_pop(&entity->job_queue)))) {<br>
>> struct drm_sched_fence *s_fence = job->s_fence;<br>
>> <br>
>> - dma_fence_set_error(&s_fence->finished, -ESRCH);<br>
>> -<br>
>> dma_fence_get(&s_fence->finished);<br>
>> if (!prev || dma_fence_add_callback(prev, &job->finish_cb,<br>
>> drm_sched_entity_kill_jobs_cb))<br>
>> diff --git a/drivers/gpu/drm/scheduler/sched_fence.c b/drivers/gpu/drm/scheduler/sched_fence.c<br>
>> index 7fd869520ef2..1a6bea98c5cc 100644<br>
>> --- a/drivers/gpu/drm/scheduler/sched_fence.c<br>
>> +++ b/drivers/gpu/drm/scheduler/sched_fence.c<br>
>> @@ -53,8 +53,10 @@ void drm_sched_fence_scheduled(struct drm_sched_fence *fence)<br>
>> dma_fence_signal(&fence->scheduled);<br>
>> }<br>
>> <br>
>> -void drm_sched_fence_finished(struct drm_sched_fence *fence)<br>
>> +void drm_sched_fence_finished(struct drm_sched_fence *fence, int result)<br>
>> {<br>
>> + if (result)<br>
>> + dma_fence_set_error(&fence->finished, result);<br>
>> dma_fence_signal(&fence->finished);<br>
>> }<br>
>> <br>
>> diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c<br>
>> index fcd4bfef7415..649fac2e1ccb 100644<br>
>> --- a/drivers/gpu/drm/scheduler/sched_main.c<br>
>> +++ b/drivers/gpu/drm/scheduler/sched_main.c<br>
>> @@ -257,7 +257,7 @@ drm_sched_rq_select_entity_fifo(struct drm_sched_rq *rq)<br>
>> *<br>
>> * Finish the job's fence and wake up the worker thread.<br>
>> */<br>
>> -static void drm_sched_job_done(struct drm_sched_job *s_job)<br>
>> +static void drm_sched_job_done(struct drm_sched_job *s_job, int result)<br>
>> {<br>
>> struct drm_sched_fence *s_fence = s_job->s_fence;<br>
>> struct drm_gpu_scheduler *sched = s_fence->sched;<br>
>> @@ -268,7 +268,7 @@ static void drm_sched_job_done(struct drm_sched_job *s_job)<br>
>> trace_drm_sched_process_job(s_fence);<br>
>> <br>
>> dma_fence_get(&s_fence->finished);<br>
>> - drm_sched_fence_finished(s_fence);<br>
>> + drm_sched_fence_finished(s_fence, result);<br>
>> dma_fence_put(&s_fence->finished);<br>
>> wake_up_interruptible(&sched->wake_up_worker);<br>
>> }<br>
>> @@ -282,7 +282,7 @@ static void drm_sched_job_done_cb(struct dma_fence *f, struct dma_fence_cb *cb)<br>
>> {<br>
>> struct drm_sched_job *s_job = container_of(cb, struct drm_sched_job, cb);<br>
>> <br>
>> - drm_sched_job_done(s_job);<br>
>> + drm_sched_job_done(s_job, f->error);<br>
>> }<br>
>> <br>
>> /**<br>
>> @@ -533,12 +533,12 @@ void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery)<br>
>> r = dma_fence_add_callback(fence, &s_job->cb,<br>
>> drm_sched_job_done_cb);<br>
>> if (r == -ENOENT)<br>
>> - drm_sched_job_done(s_job);<br>
>> + drm_sched_job_done(s_job, fence->error);<br>
>> else if (r)<br>
>> DRM_DEV_ERROR(sched->dev, "fence add callback failed (%d)\n",<br>
>> r);<br>
>> } else<br>
>> - drm_sched_job_done(s_job);<br>
>> + drm_sched_job_done(s_job, 0);<br>
>> }<br>
>> <br>
>> if (full_recovery) {<br>
>> @@ -1010,15 +1010,13 @@ static int drm_sched_main(void *param)<br>
>> r = dma_fence_add_callback(fence, &sched_job->cb,<br>
>> drm_sched_job_done_cb);<br>
>> if (r == -ENOENT)<br>
>> - drm_sched_job_done(sched_job);<br>
>> + drm_sched_job_done(sched_job, fence->error);<br>
>> else if (r)<br>
>> DRM_DEV_ERROR(sched->dev, "fence add callback failed (%d)\n",<br>
>> r);<br>
>> } else {<br>
>> - if (IS_ERR(fence))<br>
>> - dma_fence_set_error(&s_fence->finished, PTR_ERR(fence));<br>
>> -<br>
>> - drm_sched_job_done(sched_job);<br>
>> + drm_sched_job_done(sched_job, IS_ERR(fence) ?<br>
>> + PTR_ERR(fence) : 0);<br>
>> }<br>
>> <br>
>> wake_up(&sched->job_scheduled);<br>
>> diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h<br>
>> index ca857ec9e7eb..5c1df6b12ced 100644<br>
>> --- a/include/drm/gpu_scheduler.h<br>
>> +++ b/include/drm/gpu_scheduler.h<br>
>> @@ -569,7 +569,7 @@ void drm_sched_fence_init(struct drm_sched_fence *fence,<br>
>> void drm_sched_fence_free(struct drm_sched_fence *fence);<br>
>> <br>
>> void drm_sched_fence_scheduled(struct drm_sched_fence *fence);<br>
>> -void drm_sched_fence_finished(struct drm_sched_fence *fence);<br>
>> +void drm_sched_fence_finished(struct drm_sched_fence *fence, int result);<br>
>> <br>
>> unsigned long drm_sched_suspend_timeout(struct drm_gpu_scheduler *sched);<br>
>> void drm_sched_resume_timeout(struct drm_gpu_scheduler *sched,<br>
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