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path: root/drivers/gpu/drm/armada/armada_drv.c
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Diffstat (limited to 'drivers/gpu/drm/armada/armada_drv.c')
-rw-r--r--drivers/gpu/drm/armada/armada_drv.c43
1 files changed, 21 insertions, 22 deletions
diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c
index e660c5ca52ae..521464f08ccd 100644
--- a/drivers/gpu/drm/armada/armada_drv.c
+++ b/drivers/gpu/drm/armada/armada_drv.c
@@ -1,9 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2012 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/clk.h>
#include <linux/component.h>
@@ -100,6 +97,17 @@ static int armada_drm_bind(struct device *dev)
return ret;
}
+ /* Remove early framebuffers */
+ ret = drm_fb_helper_remove_conflicting_framebuffers(NULL,
+ "armada-drm-fb",
+ false);
+ if (ret) {
+ dev_err(dev, "[" DRM_NAME ":%s] can't kick out simple-fb: %d\n",
+ __func__, ret);
+ kfree(priv);
+ return ret;
+ }
+
priv->drm.dev_private = priv;
dev_set_drvdata(dev, &priv->drm);
@@ -171,6 +179,8 @@ static void armada_drm_unbind(struct device *dev)
drm_dev_unregister(&priv->drm);
+ drm_atomic_helper_shutdown(&priv->drm);
+
component_unbind_all(dev, &priv->drm);
drm_mode_config_cleanup(&priv->drm);
@@ -191,23 +201,15 @@ static int compare_dev_name(struct device *dev, void *data)
}
static void armada_add_endpoints(struct device *dev,
- struct component_match **match, struct device_node *port)
+ struct component_match **match, struct device_node *dev_node)
{
struct device_node *ep, *remote;
- for_each_child_of_node(port, ep) {
+ for_each_endpoint_of_node(dev_node, ep) {
remote = of_graph_get_remote_port_parent(ep);
- if (!remote || !of_device_is_available(remote)) {
- of_node_put(remote);
- continue;
- } else if (!of_device_is_available(remote->parent)) {
- dev_warn(dev, "parent device of %pOF is not available\n",
- remote);
- of_node_put(remote);
- continue;
- }
-
- drm_of_component_match_add(dev, match, compare_of, remote);
+ if (remote && of_device_is_available(remote))
+ drm_of_component_match_add(dev, match, compare_of,
+ remote);
of_node_put(remote);
}
}
@@ -229,7 +231,6 @@ static int armada_drm_probe(struct platform_device *pdev)
if (dev->platform_data) {
char **devices = dev->platform_data;
- struct device_node *port;
struct device *d;
int i;
@@ -245,10 +246,8 @@ static int armada_drm_probe(struct platform_device *pdev)
for (i = 0; devices[i]; i++) {
d = bus_find_device_by_name(&platform_bus_type, NULL,
devices[i]);
- if (d && d->of_node) {
- for_each_child_of_node(d->of_node, port)
- armada_add_endpoints(dev, &match, port);
- }
+ if (d && d->of_node)
+ armada_add_endpoints(dev, &match, d->of_node);
put_device(d);
}
}