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path: root/drivers/gpu/drm/scheduler/sched_main.c
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Diffstat (limited to 'drivers/gpu/drm/scheduler/sched_main.c')
-rw-r--r--drivers/gpu/drm/scheduler/sched_main.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index fcd5bd7e5e8e..7265e590711c 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -42,6 +42,10 @@
* the hardware.
*
* The jobs in a entity are always scheduled in the order that they were pushed.
+ *
+ * Note that once a job was taken from the entities queue and pushed to the
+ * hardware, i.e. the pending queue, the entity must not be referenced anymore
+ * through the jobs entity pointer.
*/
#include <linux/kthread.h>
@@ -258,7 +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;
@@ -269,7 +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);
}
@@ -283,7 +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);
}
/**
@@ -309,7 +313,7 @@ static void drm_sched_start_timeout(struct drm_gpu_scheduler *sched)
*/
void drm_sched_fault(struct drm_gpu_scheduler *sched)
{
- if (sched->ready)
+ if (sched->timeout_wq)
mod_delayed_work(sched->timeout_wq, &sched->work_tdr, 0);
}
EXPORT_SYMBOL(drm_sched_fault);
@@ -534,12 +538,12 @@ 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, -ECANCELED);
}
if (full_recovery) {
@@ -1050,15 +1054,13 @@ 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);