12 static int init_fake_lmem_bar(struct intel_memory_region *mem)  in init_fake_lmem_bar()  argument
14 	struct drm_i915_private *i915 = mem->i915;  in init_fake_lmem_bar()
21 	mem->fake_mappable.start = 0;  in init_fake_lmem_bar()
22 	mem->fake_mappable.size = resource_size(&mem->region);  in init_fake_lmem_bar()
23 	mem->fake_mappable.color = I915_COLOR_UNEVICTABLE;  in init_fake_lmem_bar()
25 	ret = drm_mm_reserve_node(&ggtt->vm.mm, &mem->fake_mappable);  in init_fake_lmem_bar()
29 	mem->remap_addr = dma_map_resource(&i915->drm.pdev->dev,  in init_fake_lmem_bar()
30 					   mem->region.start,  in init_fake_lmem_bar()
31 					   mem->fake_mappable.size,  in init_fake_lmem_bar()
34 	if (dma_mapping_error(&i915->drm.pdev->dev, mem->remap_addr)) {  in init_fake_lmem_bar()
35 		drm_mm_remove_node(&mem->fake_mappable);  in init_fake_lmem_bar()
39 	for (n = 0; n < mem->fake_mappable.size >> PAGE_SHIFT; ++n) {  in init_fake_lmem_bar()
41 				     mem->remap_addr + (n << PAGE_SHIFT),  in init_fake_lmem_bar()
46 	mem->region = (struct resource)DEFINE_RES_MEM(mem->remap_addr,  in init_fake_lmem_bar()
47 						      mem->fake_mappable.size);  in init_fake_lmem_bar()
52 static void release_fake_lmem_bar(struct intel_memory_region *mem)  in release_fake_lmem_bar()  argument
54 	if (!drm_mm_node_allocated(&mem->fake_mappable))  in release_fake_lmem_bar()
57 	drm_mm_remove_node(&mem->fake_mappable);  in release_fake_lmem_bar()
59 	dma_unmap_resource(&mem->i915->drm.pdev->dev,  in release_fake_lmem_bar()
60 			   mem->remap_addr,  in release_fake_lmem_bar()
61 			   mem->fake_mappable.size,  in release_fake_lmem_bar()
67 region_lmem_release(struct intel_memory_region *mem)  in region_lmem_release()  argument
69 	release_fake_lmem_bar(mem);  in region_lmem_release()
70 	io_mapping_fini(&mem->iomap);  in region_lmem_release()
71 	intel_memory_region_release_buddy(mem);  in region_lmem_release()
75 region_lmem_init(struct intel_memory_region *mem)  in region_lmem_init()  argument
79 	if (mem->i915->params.fake_lmem_start) {  in region_lmem_init()
80 		ret = init_fake_lmem_bar(mem);  in region_lmem_init()
84 	if (!io_mapping_init_wc(&mem->iomap,  in region_lmem_init()
85 				mem->io_start,  in region_lmem_init()
86 				resource_size(&mem->region)))  in region_lmem_init()
89 	ret = intel_memory_region_init_buddy(mem);  in region_lmem_init()
91 		io_mapping_fini(&mem->iomap);  in region_lmem_init()
93 	intel_memory_region_set_name(mem, "local");  in region_lmem_init()
108 	struct intel_memory_region *mem;  in intel_setup_fake_lmem()  local
121 	mem = intel_memory_region_create(i915,  in intel_setup_fake_lmem()
127 	if (!IS_ERR(mem)) {  in intel_setup_fake_lmem()
129 			 &mem->region);  in intel_setup_fake_lmem()
132 			(u64)mem->io_start);  in intel_setup_fake_lmem()
134 			 (u64)resource_size(&mem->region));  in intel_setup_fake_lmem()
137 	return mem;  in intel_setup_fake_lmem()