1 // SPDX-License-Identifier: GPL-2.0-only
14 static struct dma_fence *msm_job_run(struct drm_sched_job *job)  in msm_job_run()  argument
16 	struct msm_gem_submit *submit = to_msm_submit(job);  in msm_job_run()
17 	struct msm_fence_context *fctx = submit->ring->fctx;  in msm_job_run()
18 	struct msm_gpu *gpu = submit->gpu;  in msm_job_run()
19 	struct msm_drm_private *priv = gpu->dev->dev_private;  in msm_job_run()
22 	msm_fence_init(submit->hw_fence, fctx);  in msm_job_run()
24 	mutex_lock(&priv->lru.lock);  in msm_job_run()
26 	for (i = 0; i < submit->nr_bos; i++) {  in msm_job_run()
27 		struct drm_gem_object *obj = submit->bos[i].obj;  in msm_job_run()
30 		submit->bos[i].flags &= ~BO_PINNED;  in msm_job_run()
33 	mutex_unlock(&priv->lru.lock);  in msm_job_run()
35 	/* TODO move submit path over to using a per-ring lock.. */  in msm_job_run()
36 	mutex_lock(&gpu->lock);  in msm_job_run()
40 	mutex_unlock(&gpu->lock);  in msm_job_run()
42 	return dma_fence_get(submit->hw_fence);  in msm_job_run()
45 static void msm_job_free(struct drm_sched_job *job)  in msm_job_free()  argument
47 	struct msm_gem_submit *submit = to_msm_submit(job);  in msm_job_free()
49 	drm_sched_job_cleanup(job);  in msm_job_free()
61 	struct msm_ringbuffer *ring;  in msm_ringbuffer_new()  local
69 	ring = kzalloc(sizeof(*ring), GFP_KERNEL);  in msm_ringbuffer_new()
70 	if (!ring) {  in msm_ringbuffer_new()
71 		ret = -ENOMEM;  in msm_ringbuffer_new()
75 	ring->gpu = gpu;  in msm_ringbuffer_new()
76 	ring->id = id;  in msm_ringbuffer_new()
78 	ring->start = msm_gem_kernel_new(gpu->dev, MSM_GPU_RINGBUFFER_SZ,  in msm_ringbuffer_new()
80 		gpu->aspace, &ring->bo, &ring->iova);  in msm_ringbuffer_new()
82 	if (IS_ERR(ring->start)) {  in msm_ringbuffer_new()
83 		ret = PTR_ERR(ring->start);  in msm_ringbuffer_new()
84 		ring->start = NULL;  in msm_ringbuffer_new()
88 	msm_gem_object_set_name(ring->bo, "ring%d", id);  in msm_ringbuffer_new()
90 	ring->end   = ring->start + (MSM_GPU_RINGBUFFER_SZ >> 2);  in msm_ringbuffer_new()
91 	ring->next  = ring->start;  in msm_ringbuffer_new()
92 	ring->cur   = ring->start;  in msm_ringbuffer_new()
94 	ring->memptrs = memptrs;  in msm_ringbuffer_new()
95 	ring->memptrs_iova = memptrs_iova;  in msm_ringbuffer_new()
100 	ret = drm_sched_init(&ring->sched, &msm_sched_ops,  in msm_ringbuffer_new()
101 			num_hw_submissions, 0, sched_timeout,  in msm_ringbuffer_new()
102 			NULL, NULL, to_msm_bo(ring->bo)->name, gpu->dev->dev);  in msm_ringbuffer_new()
107 	INIT_LIST_HEAD(&ring->submits);  in msm_ringbuffer_new()
108 	spin_lock_init(&ring->submit_lock);  in msm_ringbuffer_new()
109 	spin_lock_init(&ring->preempt_lock);  in msm_ringbuffer_new()
111 	snprintf(name, sizeof(name), "gpu-ring-%d", ring->id);  in msm_ringbuffer_new()
113 	ring->fctx = msm_fence_context_alloc(gpu->dev, &ring->memptrs->fence, name);  in msm_ringbuffer_new()
115 	return ring;  in msm_ringbuffer_new()
118 	msm_ringbuffer_destroy(ring);  in msm_ringbuffer_new()
122 void msm_ringbuffer_destroy(struct msm_ringbuffer *ring)  in msm_ringbuffer_destroy()  argument
124 	if (IS_ERR_OR_NULL(ring))  in msm_ringbuffer_destroy()
127 	drm_sched_fini(&ring->sched);  in msm_ringbuffer_destroy()
129 	msm_fence_context_free(ring->fctx);  in msm_ringbuffer_destroy()
131 	msm_gem_kernel_put(ring->bo, ring->gpu->aspace);  in msm_ringbuffer_destroy()
133 	kfree(ring);  in msm_ringbuffer_destroy()