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Revert "drm/amdgpu: discard commands of killed processes"

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This causes instability in piglit.  It's fixed in drm-next with:
515c6faf85
1650c14b45
214a91e6bf
29d2535535
7986746263

This reverts commit 6af0883ed9.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2017-10-12 13:08:48 -04:00
parent 2de0307323
commit c94501279b
1 changed files with 4 additions and 19 deletions
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23
drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
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@ -205,32 +205,17 @@ void amd_sched_entity_fini(struct amd_gpu_scheduler *sched,
struct amd_sched_entity *entity)
{
struct amd_sched_rq *rq = entity->rq;
int r;
if (!amd_sched_entity_is_initialized(sched, entity))
return;
/**
* The client will not queue more IBs during this fini, consume existing
* queued IBs or discard them on SIGKILL
* queued IBs
*/
if ((current->flags & PF_SIGNALED) && current->exit_code == SIGKILL)
r = -ERESTARTSYS;
else
r = wait_event_killable(sched->job_scheduled,
amd_sched_entity_is_idle(entity));
wait_event(sched->job_scheduled, amd_sched_entity_is_idle(entity));
amd_sched_rq_remove_entity(rq, entity);
if (r) {
struct amd_sched_job *job;
/* Park the kernel for a moment to make sure it isn't processing
* our enity.
*/
kthread_park(sched->thread);
kthread_unpark(sched->thread);
while (kfifo_out(&entity->job_queue, &job, sizeof(job)))
sched->ops->free_job(job);
}
kfifo_free(&entity->job_queue);
}