diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_submitqueue.c')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_submitqueue.c | 67 |
1 files changed, 51 insertions, 16 deletions
diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c b/drivers/gpu/drm/msm/msm_submitqueue.c index 8ced49c7557b..8617a82cd6b3 100644 --- a/drivers/gpu/drm/msm/msm_submitqueue.c +++ b/drivers/gpu/drm/msm/msm_submitqueue.c @@ -72,6 +72,9 @@ void msm_submitqueue_destroy(struct kref *kref) idr_destroy(&queue->fence_idr); + if (queue->entity == &queue->_vm_bind_entity[0]) + drm_sched_entity_destroy(queue->entity); + msm_context_put(queue->ctx); kfree(queue); @@ -102,7 +105,7 @@ struct msm_gpu_submitqueue *msm_submitqueue_get(struct msm_context *ctx, void msm_submitqueue_close(struct msm_context *ctx) { - struct msm_gpu_submitqueue *entry, *tmp; + struct msm_gpu_submitqueue *queue, *tmp; if (!ctx) return; @@ -111,10 +114,17 @@ void msm_submitqueue_close(struct msm_context *ctx) * No lock needed in close and there won't * be any more user ioctls coming our way */ - list_for_each_entry_safe(entry, tmp, &ctx->submitqueues, node) { - list_del(&entry->node); - msm_submitqueue_put(entry); + list_for_each_entry_safe(queue, tmp, &ctx->submitqueues, node) { + if (queue->entity == &queue->_vm_bind_entity[0]) + drm_sched_entity_flush(queue->entity, MAX_WAIT_SCHED_ENTITY_Q_EMPTY); + list_del(&queue->node); + msm_submitqueue_put(queue); } + + if (!ctx->vm) + return; + + msm_gem_vm_close(ctx->vm); } static struct drm_sched_entity * @@ -160,8 +170,6 @@ int msm_submitqueue_create(struct drm_device *drm, struct msm_context *ctx, struct msm_drm_private *priv = drm->dev_private; struct msm_gpu_submitqueue *queue; enum drm_sched_priority sched_prio; - extern int enable_preemption; - bool preemption_supported; unsigned ring_nr; int ret; @@ -171,26 +179,53 @@ int msm_submitqueue_create(struct drm_device *drm, struct msm_context *ctx, if (!priv->gpu) return -ENODEV; - preemption_supported = priv->gpu->nr_rings == 1 && enable_preemption != 0; + if (flags & MSM_SUBMITQUEUE_VM_BIND) { + unsigned sz; - if (flags & MSM_SUBMITQUEUE_ALLOW_PREEMPT && preemption_supported) - return -EINVAL; + /* Not allowed for kernel managed VMs (ie. kernel allocs VA) */ + if (!msm_context_is_vmbind(ctx)) + return -EINVAL; - ret = msm_gpu_convert_priority(priv->gpu, prio, &ring_nr, &sched_prio); - if (ret) - return ret; + if (prio) + return -EINVAL; + + sz = struct_size(queue, _vm_bind_entity, 1); + queue = kzalloc(sz, GFP_KERNEL); + } else { + extern int enable_preemption; + bool preemption_supported = + priv->gpu->nr_rings == 1 && enable_preemption != 0; + + if (flags & MSM_SUBMITQUEUE_ALLOW_PREEMPT && preemption_supported) + return -EINVAL; - queue = kzalloc(sizeof(*queue), GFP_KERNEL); + ret = msm_gpu_convert_priority(priv->gpu, prio, &ring_nr, &sched_prio); + if (ret) + return ret; + + queue = kzalloc(sizeof(*queue), GFP_KERNEL); + } if (!queue) return -ENOMEM; kref_init(&queue->ref); queue->flags = flags; - queue->ring_nr = ring_nr; - queue->entity = get_sched_entity(ctx, priv->gpu->rb[ring_nr], - ring_nr, sched_prio); + if (flags & MSM_SUBMITQUEUE_VM_BIND) { + struct drm_gpu_scheduler *sched = &to_msm_vm(msm_context_vm(drm, ctx))->sched; + + queue->entity = &queue->_vm_bind_entity[0]; + + drm_sched_entity_init(queue->entity, DRM_SCHED_PRIORITY_KERNEL, + &sched, 1, NULL); + } else { + queue->ring_nr = ring_nr; + + queue->entity = get_sched_entity(ctx, priv->gpu->rb[ring_nr], + ring_nr, sched_prio); + } + if (IS_ERR(queue->entity)) { ret = PTR_ERR(queue->entity); kfree(queue); |
