58 intel_timeline_pin_map(struct intel_timeline *timeline)  in intel_timeline_pin_map()  argument
60 	struct drm_i915_gem_object *obj = timeline->hwsp_ggtt->obj;  in intel_timeline_pin_map()
61 	u32 ofs = offset_in_page(timeline->hwsp_offset);  in intel_timeline_pin_map()
68 	timeline->hwsp_map = vaddr;  in intel_timeline_pin_map()
69 	timeline->hwsp_seqno = memset(vaddr + ofs, 0, TIMELINE_SEQNO_BYTES);  in intel_timeline_pin_map()
75 static int intel_timeline_init(struct intel_timeline *timeline,  in intel_timeline_init()  argument
80 	kref_init(&timeline->kref);  in intel_timeline_init()
81 	atomic_set(&timeline->pin_count, 0);  in intel_timeline_init()
83 	timeline->gt = gt;  in intel_timeline_init()
86 		timeline->hwsp_offset = offset;  in intel_timeline_init()
87 		timeline->hwsp_ggtt = i915_vma_get(hwsp);  in intel_timeline_init()
89 		timeline->has_initial_breadcrumb = true;  in intel_timeline_init()
93 		timeline->hwsp_ggtt = hwsp;  in intel_timeline_init()
96 	timeline->hwsp_map = NULL;  in intel_timeline_init()
97 	timeline->hwsp_seqno = (void *)(long)timeline->hwsp_offset;  in intel_timeline_init()
99 	GEM_BUG_ON(timeline->hwsp_offset >= hwsp->size);  in intel_timeline_init()
101 	timeline->fence_context = dma_fence_context_alloc(1);  in intel_timeline_init()
103 	mutex_init(&timeline->mutex);  in intel_timeline_init()
105 	INIT_ACTIVE_FENCE(&timeline->last_request);  in intel_timeline_init()
106 	INIT_LIST_HEAD(&timeline->requests);  in intel_timeline_init()
108 	i915_syncmap_init(&timeline->sync);  in intel_timeline_init()
109 	i915_active_init(&timeline->active, __timeline_active,  in intel_timeline_init()
125 	struct intel_timeline *timeline =  in intel_timeline_fini()  local
128 	if (timeline->hwsp_map)  in intel_timeline_fini()
129 		i915_gem_object_unpin_map(timeline->hwsp_ggtt->obj);  in intel_timeline_fini()
131 	i915_vma_put(timeline->hwsp_ggtt);  in intel_timeline_fini()
132 	i915_active_fini(&timeline->active);  in intel_timeline_fini()
140 	i915_syncmap_free(&timeline->sync);  in intel_timeline_fini()
142 	kfree(timeline);  in intel_timeline_fini()
150 	struct intel_timeline *timeline;  in __intel_timeline_create()  local
153 	timeline = kzalloc(sizeof(*timeline), GFP_KERNEL);  in __intel_timeline_create()
154 	if (!timeline)  in __intel_timeline_create()
157 	err = intel_timeline_init(timeline, gt, global_hwsp, offset);  in __intel_timeline_create()
159 		kfree(timeline);  in __intel_timeline_create()
163 	return timeline;  in __intel_timeline_create()
211 	GT_TRACE(tl->gt, "timeline:%llx using HWSP offset:%x\n",  in intel_timeline_pin()
239 	 * Pretend we are serialised by the timeline->mutex.  in intel_timeline_enter()
244 	 * timeline, it uses the power mutex as a global serialisation  in intel_timeline_enter()
245 	 * lock to prevent any other request entering its timeline.  in intel_timeline_enter()
252 	 * pin the timeline in the active_list while the locks are dropped.  in intel_timeline_enter()
292 	 * Since this timeline is idle, all bariers upon which we were waiting  in intel_timeline_exit()
347 	tl = rcu_dereference(from->timeline);  in intel_timeline_read_hwsp()
393 	struct intel_timeline *timeline =  in __intel_timeline_free()  local
394 		container_of(kref, typeof(*timeline), kref);  in __intel_timeline_free()
396 	GEM_BUG_ON(atomic_read(&timeline->pin_count));  in __intel_timeline_free()
397 	GEM_BUG_ON(!list_empty(&timeline->requests));  in __intel_timeline_free()
398 	GEM_BUG_ON(timeline->retire);  in __intel_timeline_free()
400 	call_rcu(&timeline->rcu, intel_timeline_fini);  in __intel_timeline_free()
428 			drm_printf(m, "Timeline %llx: busy; skipping\n",  in intel_gt_show_timelines()
452 		drm_printf(m, "Timeline %llx: { ", tl->fence_context);  in intel_gt_show_timelines()