diff options
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_sched.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_sched.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c index 50d6b88cb7aa..69e9b431bf1f 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c @@ -140,28 +140,38 @@ static const struct drm_sched_backend_ops etnaviv_sched_ops = { int etnaviv_sched_push_job(struct drm_sched_entity *sched_entity, struct etnaviv_gem_submit *submit) { - int ret; + int ret = 0; + + /* + * Hold the fence lock across the whole operation to avoid jobs being + * pushed out of order with regard to their sched fence seqnos as + * allocated in drm_sched_job_init. + */ + mutex_lock(&submit->gpu->fence_lock); - ret = drm_sched_job_init(&submit->sched_job, &submit->gpu->sched, - sched_entity, submit->cmdbuf.ctx); + ret = drm_sched_job_init(&submit->sched_job, sched_entity, + submit->cmdbuf.ctx); if (ret) - return ret; + goto out_unlock; submit->out_fence = dma_fence_get(&submit->sched_job.s_fence->finished); - mutex_lock(&submit->gpu->fence_idr_lock); submit->out_fence_id = idr_alloc_cyclic(&submit->gpu->fence_idr, submit->out_fence, 0, INT_MAX, GFP_KERNEL); - mutex_unlock(&submit->gpu->fence_idr_lock); - if (submit->out_fence_id < 0) - return -ENOMEM; + if (submit->out_fence_id < 0) { + ret = -ENOMEM; + goto out_unlock; + } /* the scheduler holds on to the job now */ kref_get(&submit->refcount); drm_sched_entity_push_job(&submit->sched_job, sched_entity); - return 0; +out_unlock: + mutex_unlock(&submit->gpu->fence_lock); + + return ret; } int etnaviv_sched_init(struct etnaviv_gpu *gpu) |