--- zzzz-none-000/linux-3.10.107/drivers/gpu/host1x/channel.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/gpu/host1x/channel.c	2021-02-04 17:41:59.000000000 +0000
@@ -43,6 +43,7 @@
 
 	return host1x_hw_channel_submit(host, job);
 }
+EXPORT_SYMBOL(host1x_job_submit);
 
 struct host1x_channel *host1x_channel_get(struct host1x_channel *channel)
 {
@@ -60,6 +61,7 @@
 
 	return err ? NULL : channel;
 }
+EXPORT_SYMBOL(host1x_channel_get);
 
 void host1x_channel_put(struct host1x_channel *channel)
 {
@@ -76,6 +78,7 @@
 
 	mutex_unlock(&channel->reflock);
 }
+EXPORT_SYMBOL(host1x_channel_put);
 
 struct host1x_channel *host1x_channel_request(struct device *dev)
 {
@@ -115,6 +118,7 @@
 	mutex_unlock(&host->chlist_mutex);
 	return NULL;
 }
+EXPORT_SYMBOL(host1x_channel_request);
 
 void host1x_channel_free(struct host1x_channel *channel)
 {
@@ -124,3 +128,4 @@
 	list_del(&channel->list);
 	kfree(channel);
 }
+EXPORT_SYMBOL(host1x_channel_free);