55 static void drm_sg_cleanup(struct drm_sg_mem * entry)  in drm_sg_cleanup()  argument
60 	for (i = 0; i < entry->pages; i++) {  in drm_sg_cleanup()
61 		page = entry->pagelist[i];  in drm_sg_cleanup()
66 	vfree(entry->virtual);  in drm_sg_cleanup()
68 	kfree(entry->busaddr);  in drm_sg_cleanup()
69 	kfree(entry->pagelist);  in drm_sg_cleanup()
70 	kfree(entry);  in drm_sg_cleanup()
91 	struct drm_sg_mem *entry;  in drm_legacy_sg_alloc()  local
105 	entry = kzalloc(sizeof(*entry), GFP_KERNEL);  in drm_legacy_sg_alloc()
106 	if (!entry)  in drm_legacy_sg_alloc()
112 	entry->pages = pages;  in drm_legacy_sg_alloc()
113 	entry->pagelist = kcalloc(pages, sizeof(*entry->pagelist), GFP_KERNEL);  in drm_legacy_sg_alloc()
114 	if (!entry->pagelist) {  in drm_legacy_sg_alloc()
115 		kfree(entry);  in drm_legacy_sg_alloc()
119 	entry->busaddr = kcalloc(pages, sizeof(*entry->busaddr), GFP_KERNEL);  in drm_legacy_sg_alloc()
120 	if (!entry->busaddr) {  in drm_legacy_sg_alloc()
121 		kfree(entry->pagelist);  in drm_legacy_sg_alloc()
122 		kfree(entry);  in drm_legacy_sg_alloc()
126 	entry->virtual = drm_vmalloc_dma(pages << PAGE_SHIFT);  in drm_legacy_sg_alloc()
127 	if (!entry->virtual) {  in drm_legacy_sg_alloc()
128 		kfree(entry->busaddr);  in drm_legacy_sg_alloc()
129 		kfree(entry->pagelist);  in drm_legacy_sg_alloc()
130 		kfree(entry);  in drm_legacy_sg_alloc()
137 	memset(entry->virtual, 0, pages << PAGE_SHIFT);  in drm_legacy_sg_alloc()
139 	entry->handle = ScatterHandle((unsigned long)entry->virtual);  in drm_legacy_sg_alloc()
141 	DRM_DEBUG("handle  = %08lx\n", entry->handle);  in drm_legacy_sg_alloc()
142 	DRM_DEBUG("virtual = %p\n", entry->virtual);  in drm_legacy_sg_alloc()
144 	for (i = (unsigned long)entry->virtual, j = 0; j < pages;  in drm_legacy_sg_alloc()
146 		entry->pagelist[j] = vmalloc_to_page((void *)i);  in drm_legacy_sg_alloc()
147 		if (!entry->pagelist[j])  in drm_legacy_sg_alloc()
149 		SetPageReserved(entry->pagelist[j]);  in drm_legacy_sg_alloc()
152 	request->handle = entry->handle;  in drm_legacy_sg_alloc()
154 	dev->sg = entry;  in drm_legacy_sg_alloc()
166 			tmp = page_address(entry->pagelist[i]);  in drm_legacy_sg_alloc()
172 			tmp = (unsigned long *)((u8 *) entry->virtual +  in drm_legacy_sg_alloc()
184 			tmp = page_address(entry->pagelist[i]);  in drm_legacy_sg_alloc()
199 	drm_sg_cleanup(entry);  in drm_legacy_sg_alloc()
207 	struct drm_sg_mem *entry;  in drm_legacy_sg_free()  local
215 	entry = dev->sg;  in drm_legacy_sg_free()
218 	if (!entry || entry->handle != request->handle)  in drm_legacy_sg_free()
221 	DRM_DEBUG("virtual  = %p\n", entry->virtual);  in drm_legacy_sg_free()
223 	drm_sg_cleanup(entry);  in drm_legacy_sg_free()