drm/panel: Fix build error on !CONFIG_OF

Move helpers outside of CONFIG_OF, so basic allocation also works
without it.

Fixes: ed9c594d495d ("drm/panel: Add new helpers for refcounted panel allocatons")
Fixes: dcba396f6907 ("drm/panel: Add refcount support")
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://lore.kernel.org/r/nyrjnvctqnk6f3x5q7rlmy5nb7iopoti56pgh43zqknici5ms4@cibpldh7epra
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index 870bf8d471ee9c5fe65d88acc13661cacd883b9b..99b348782ce31c4421233748c32adddb3ebd1db2 100644 (file)
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -318,44 +318,6 @@ int drm_panel_get_modes(struct drm_panel *panel,
 }
 EXPORT_SYMBOL(drm_panel_get_modes);
 
-#ifdef CONFIG_OF
-/**
- * of_drm_find_panel - look up a panel using a device tree node
- * @np: device tree node of the panel
- *
- * Searches the set of registered panels for one that matches the given device
- * tree node. If a matching panel is found, return a pointer to it.
- *
- * Return: A pointer to the panel registered for the specified device tree
- * node or an ERR_PTR() if no panel matching the device tree node can be found.
- *
- * Possible error codes returned by this function:
- *
- * - EPROBE_DEFER: the panel device has not been probed yet, and the caller
- *   should retry later
- * - ENODEV: the device is not available (status != "okay" or "ok")
- */
-struct drm_panel *of_drm_find_panel(const struct device_node *np)
-{
-       struct drm_panel *panel;
-
-       if (!of_device_is_available(np))
-               return ERR_PTR(-ENODEV);
-
-       mutex_lock(&panel_lock);
-
-       list_for_each_entry(panel, &panel_list, list) {
-               if (panel->dev->of_node == np) {
-                       mutex_unlock(&panel_lock);
-                       return panel;
-               }
-       }
-
-       mutex_unlock(&panel_lock);
-       return ERR_PTR(-EPROBE_DEFER);
-}
-EXPORT_SYMBOL(of_drm_find_panel);
-
 static void __drm_panel_free(struct kref *kref)
 {
        struct drm_panel *panel = container_of(kref, struct drm_panel, refcount);
@@ -443,6 +405,44 @@ void *__devm_drm_panel_alloc(struct device *dev, size_t size, size_t offset,
 }
 EXPORT_SYMBOL(__devm_drm_panel_alloc);
 
+#ifdef CONFIG_OF
+/**
+ * of_drm_find_panel - look up a panel using a device tree node
+ * @np: device tree node of the panel
+ *
+ * Searches the set of registered panels for one that matches the given device
+ * tree node. If a matching panel is found, return a pointer to it.
+ *
+ * Return: A pointer to the panel registered for the specified device tree
+ * node or an ERR_PTR() if no panel matching the device tree node can be found.
+ *
+ * Possible error codes returned by this function:
+ *
+ * - EPROBE_DEFER: the panel device has not been probed yet, and the caller
+ *   should retry later
+ * - ENODEV: the device is not available (status != "okay" or "ok")
+ */
+struct drm_panel *of_drm_find_panel(const struct device_node *np)
+{
+       struct drm_panel *panel;
+
+       if (!of_device_is_available(np))
+               return ERR_PTR(-ENODEV);
+
+       mutex_lock(&panel_lock);
+
+       list_for_each_entry(panel, &panel_list, list) {
+               if (panel->dev->of_node == np) {
+                       mutex_unlock(&panel_lock);
+                       return panel;
+               }
+       }
+
+       mutex_unlock(&panel_lock);
+       return ERR_PTR(-EPROBE_DEFER);
+}
+EXPORT_SYMBOL(of_drm_find_panel);
+
 /**
  * of_drm_get_panel_orientation - look up the orientation of the panel through
  * the "rotation" binding from a device tree node