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(sizeof(*context), GFP_KERNEL);  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()
118 			context->memory_context = host1x_memory_context_alloc(  in tegra_drm_ioctl_channel_open()
121 		if (IS_ERR(context->memory_context)) {  in tegra_drm_ioctl_channel_open()
122 			if (PTR_ERR(context->memory_context) != -EOPNOTSUPP) {  in tegra_drm_ioctl_channel_open()
123 				err = PTR_ERR(context->memory_context);  in tegra_drm_ioctl_channel_open()
130 				context->memory_context = NULL;  in tegra_drm_ioctl_channel_open()
135 	err = xa_alloc(&fpriv->contexts, &args->context, context, XA_LIMIT(1, U32_MAX),  in tegra_drm_ioctl_channel_open()
140 	context->client = client;  in tegra_drm_ioctl_channel_open()
141 	xa_init_flags(&context->mappings, XA_FLAGS_ALLOC1);  in tegra_drm_ioctl_channel_open()
152 	if (context->memory_context)  in tegra_drm_ioctl_channel_open()
153 		host1x_memory_context_put(context->memory_context);  in tegra_drm_ioctl_channel_open()
155 	host1x_channel_put(context->channel);  in tegra_drm_ioctl_channel_open()
157 	kfree(context);  in tegra_drm_ioctl_channel_open()
166 	struct tegra_drm_context *context;  in tegra_drm_ioctl_channel_close()  local
170 	context = xa_load(&fpriv->contexts, args->context);  in tegra_drm_ioctl_channel_close()
171 	if (!context) {  in tegra_drm_ioctl_channel_close()
176 	xa_erase(&fpriv->contexts, args->context);  in tegra_drm_ioctl_channel_close()
180 	tegra_drm_channel_context_close(context);  in tegra_drm_ioctl_channel_close()
190 	struct tegra_drm_context *context;  in tegra_drm_ioctl_channel_map()  local
200 	context = xa_load(&fpriv->contexts, args->context);  in tegra_drm_ioctl_channel_map()
201 	if (!context) {  in tegra_drm_ioctl_channel_map()
214 	if (context->memory_context)  in tegra_drm_ioctl_channel_map()
215 		mapping_dev = &context->memory_context->dev;  in tegra_drm_ioctl_channel_map()
217 		mapping_dev = context->client->base.dev;  in tegra_drm_ioctl_channel_map()
252 	err = xa_alloc(&context->mappings, &args->mapping, mapping, XA_LIMIT(1, U32_MAX),  in tegra_drm_ioctl_channel_map()
277 	struct tegra_drm_context *context;  in tegra_drm_ioctl_channel_unmap()  local
281 	context = xa_load(&fpriv->contexts, args->context);  in tegra_drm_ioctl_channel_unmap()
282 	if (!context) {  in tegra_drm_ioctl_channel_unmap()
287 	mapping = xa_erase(&context->mappings, args->mapping);  in tegra_drm_ioctl_channel_unmap()