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path: root/drivers/gpu/drm/bridge/panel.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/panel.c')
-rw-r--r--drivers/gpu/drm/bridge/panel.c36
1 files changed, 31 insertions, 5 deletions
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
index 67fe19e5a9c6..e0cca19b4044 100644
--- a/drivers/gpu/drm/bridge/panel.c
+++ b/drivers/gpu/drm/bridge/panel.c
@@ -50,7 +50,6 @@ panel_bridge_connector_helper_funcs = {
};
static const struct drm_connector_funcs panel_bridge_connector_funcs = {
- .dpms = drm_atomic_helper_connector_dpms,
.reset = drm_atomic_helper_connector_reset,
.fill_modes = drm_helper_probe_single_connector_modes,
.destroy = drm_connector_cleanup,
@@ -158,7 +157,6 @@ struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel,
u32 connector_type)
{
struct panel_bridge *panel_bridge;
- int ret;
if (!panel)
return ERR_PTR(-EINVAL);
@@ -176,9 +174,7 @@ struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel,
panel_bridge->bridge.of_node = panel->dev->of_node;
#endif
- ret = drm_bridge_add(&panel_bridge->bridge);
- if (ret)
- return ERR_PTR(ret);
+ drm_bridge_add(&panel_bridge->bridge);
return &panel_bridge->bridge;
}
@@ -198,3 +194,33 @@ void drm_panel_bridge_remove(struct drm_bridge *bridge)
devm_kfree(panel_bridge->panel->dev, bridge);
}
EXPORT_SYMBOL(drm_panel_bridge_remove);
+
+static void devm_drm_panel_bridge_release(struct device *dev, void *res)
+{
+ struct drm_bridge **bridge = res;
+
+ drm_panel_bridge_remove(*bridge);
+}
+
+struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev,
+ struct drm_panel *panel,
+ u32 connector_type)
+{
+ struct drm_bridge **ptr, *bridge;
+
+ ptr = devres_alloc(devm_drm_panel_bridge_release, sizeof(*ptr),
+ GFP_KERNEL);
+ if (!ptr)
+ return ERR_PTR(-ENOMEM);
+
+ bridge = drm_panel_bridge_add(panel, connector_type);
+ if (!IS_ERR(bridge)) {
+ *ptr = bridge;
+ devres_add(dev, ptr);
+ } else {
+ devres_free(ptr);
+ }
+
+ return bridge;
+}
+EXPORT_SYMBOL(devm_drm_panel_bridge_add);