17 	struct tegra_drm_mapping *mapping =  in tegra_drm_mapping_release()  local
20 	if (mapping->sgt)  in tegra_drm_mapping_release()
21 		dma_unmap_sgtable(mapping->dev, mapping->sgt, mapping->direction,  in tegra_drm_mapping_release()
24 	host1x_bo_unpin(mapping->dev, mapping->bo, mapping->sgt);  in tegra_drm_mapping_release()
25 	host1x_bo_put(mapping->bo);  in tegra_drm_mapping_release()
27 	kfree(mapping);  in tegra_drm_mapping_release()
30 void tegra_drm_mapping_put(struct tegra_drm_mapping *mapping)  in tegra_drm_mapping_put()  argument
32 	kref_put(&mapping->ref, tegra_drm_mapping_release);  in tegra_drm_mapping_put()
37 	struct tegra_drm_mapping *mapping;  in tegra_drm_channel_context_close()  local
40 	xa_for_each(&context->mappings, id, mapping)  in tegra_drm_channel_context_close()
41 		tegra_drm_mapping_put(mapping);  in tegra_drm_channel_context_close()
160 	struct tegra_drm_mapping *mapping;  in tegra_drm_ioctl_channel_map()  local
175 	mapping = kzalloc(sizeof(*mapping), GFP_KERNEL);  in tegra_drm_ioctl_channel_map()
176 	if (!mapping) {  in tegra_drm_ioctl_channel_map()
181 	kref_init(&mapping->ref);  in tegra_drm_ioctl_channel_map()
183 	mapping->dev = context->client->base.dev;  in tegra_drm_ioctl_channel_map()
184 	mapping->bo = tegra_gem_lookup(file, args->handle);  in tegra_drm_ioctl_channel_map()
185 	if (!mapping->bo) {  in tegra_drm_ioctl_channel_map()
192 		host1x_bo_pin(mapping->dev, mapping->bo, &mapping->iova);  in tegra_drm_ioctl_channel_map()
196 			mapping->direction = DMA_BIDIRECTIONAL;  in tegra_drm_ioctl_channel_map()
200 			mapping->direction = DMA_FROM_DEVICE;  in tegra_drm_ioctl_channel_map()
204 			mapping->direction = DMA_TO_DEVICE;  in tegra_drm_ioctl_channel_map()
211 		mapping->sgt = host1x_bo_pin(mapping->dev, mapping->bo, NULL);  in tegra_drm_ioctl_channel_map()
212 		if (IS_ERR(mapping->sgt)) {  in tegra_drm_ioctl_channel_map()
213 			err = PTR_ERR(mapping->sgt);  in tegra_drm_ioctl_channel_map()
217 		err = dma_map_sgtable(mapping->dev, mapping->sgt, mapping->direction,  in tegra_drm_ioctl_channel_map()
222 		mapping->iova = sg_dma_address(mapping->sgt->sgl);  in tegra_drm_ioctl_channel_map()
225 	mapping->iova_end = mapping->iova + host1x_to_tegra_bo(mapping->bo)->gem.size;  in tegra_drm_ioctl_channel_map()
227 	err = xa_alloc(&context->mappings, &args->mapping, mapping, XA_LIMIT(1, U32_MAX),  in tegra_drm_ioctl_channel_map()
237 	if (mapping->sgt) {  in tegra_drm_ioctl_channel_map()
238 		dma_unmap_sgtable(mapping->dev, mapping->sgt, mapping->direction,  in tegra_drm_ioctl_channel_map()
242 	host1x_bo_unpin(mapping->dev, mapping->bo, mapping->sgt);  in tegra_drm_ioctl_channel_map()
244 	host1x_bo_put(mapping->bo);  in tegra_drm_ioctl_channel_map()
245 	kfree(mapping);  in tegra_drm_ioctl_channel_map()
255 	struct tegra_drm_mapping *mapping;  in tegra_drm_ioctl_channel_unmap()  local
266 	mapping = xa_erase(&context->mappings, args->mapping);  in tegra_drm_ioctl_channel_unmap()
270 	if (!mapping)  in tegra_drm_ioctl_channel_unmap()
273 	tegra_drm_mapping_put(mapping);  in tegra_drm_ioctl_channel_unmap()