31 static void tegra_drm_channel_context_close(struct tegra_drm_context *context)  in tegra_drm_channel_context_close()  argument
36 	if (context->memory_context)  in tegra_drm_channel_context_close()
37 		host1x_memory_context_put(context->memory_context);  in tegra_drm_channel_context_close()
39 	xa_for_each(&context->mappings, id, mapping)  in tegra_drm_channel_context_close()
42 	xa_destroy(&context->mappings);  in tegra_drm_channel_context_close()
44 	host1x_channel_put(context->channel);  in tegra_drm_channel_context_close()
46 	kfree(context);  in tegra_drm_channel_context_close()
51 	struct tegra_drm_context *context;  in tegra_drm_uapi_close_file()  local
55 	xa_for_each(&file->contexts, id, context)  in tegra_drm_uapi_close_file()
56 		tegra_drm_channel_context_close(context);  in tegra_drm_uapi_close_file()
83 	struct tegra_drm_context *context;  in tegra_drm_ioctl_channel_open()  local
89 	context = kzalloc_obj(*context);  in tegra_drm_ioctl_channel_open()
90 	if (!context)  in tegra_drm_ioctl_channel_open()
100 		context->channel = host1x_channel_get(client->shared_channel);  in tegra_drm_ioctl_channel_open()
102 		context->channel = host1x_channel_request(&client->base);  in tegra_drm_ioctl_channel_open()
103 		if (!context->channel) {  in tegra_drm_ioctl_channel_open()
109 	/* Only allocate context if the engine supports context isolation. */  in tegra_drm_ioctl_channel_open()
119 			context->memory_context = host1x_memory_context_alloc(  in tegra_drm_ioctl_channel_open()
124 		if (IS_ERR(context->memory_context)) {  in tegra_drm_ioctl_channel_open()
125 			if (PTR_ERR(context->memory_context) != -EOPNOTSUPP) {  in tegra_drm_ioctl_channel_open()
126 				err = PTR_ERR(context->memory_context);  in tegra_drm_ioctl_channel_open()
133 				context->memory_context = NULL;  in tegra_drm_ioctl_channel_open()
138 	err = xa_alloc(&fpriv->contexts, &args->context, context, XA_LIMIT(1, U32_MAX),  in tegra_drm_ioctl_channel_open()
143 	context->client = client;  in tegra_drm_ioctl_channel_open()
144 	xa_init_flags(&context->mappings, XA_FLAGS_ALLOC1);  in tegra_drm_ioctl_channel_open()
155 	if (context->memory_context)  in tegra_drm_ioctl_channel_open()
156 		host1x_memory_context_put(context->memory_context);  in tegra_drm_ioctl_channel_open()
158 	host1x_channel_put(context->channel);  in tegra_drm_ioctl_channel_open()
160 	kfree(context);  in tegra_drm_ioctl_channel_open()
169 	struct tegra_drm_context *context;  in tegra_drm_ioctl_channel_close()  local
173 	context = xa_load(&fpriv->contexts, args->context);  in tegra_drm_ioctl_channel_close()
174 	if (!context) {  in tegra_drm_ioctl_channel_close()
179 	xa_erase(&fpriv->contexts, args->context);  in tegra_drm_ioctl_channel_close()
183 	tegra_drm_channel_context_close(context);  in tegra_drm_ioctl_channel_close()
193 	struct tegra_drm_context *context;  in tegra_drm_ioctl_channel_map()  local
203 	context = xa_load(&fpriv->contexts, args->context);  in tegra_drm_ioctl_channel_map()
204 	if (!context) {  in tegra_drm_ioctl_channel_map()
217 	if (context->memory_context)  in tegra_drm_ioctl_channel_map()
218 		mapping_dev = &context->memory_context->dev;  in tegra_drm_ioctl_channel_map()
220 		mapping_dev = context->client->base.dev;  in tegra_drm_ioctl_channel_map()
255 	err = xa_alloc(&context->mappings, &args->mapping, mapping, XA_LIMIT(1, U32_MAX),  in tegra_drm_ioctl_channel_map()
280 	struct tegra_drm_context *context;  in tegra_drm_ioctl_channel_unmap()  local
284 	context = xa_load(&fpriv->contexts, args->context);  in tegra_drm_ioctl_channel_unmap()
285 	if (!context) {  in tegra_drm_ioctl_channel_unmap()
290 	mapping = xa_erase(&context->mappings, args->mapping);  in tegra_drm_ioctl_channel_unmap()