diff mbox series

[v2,01/16] drm/panel: get/put panel reference in drm_panel_add/remove()

Message ID 20250619-b4-of_drm_find_panel_part1-v2-1-0df94aecc43d@redhat.com
State New
Headers show
Series [v2,01/16] drm/panel: get/put panel reference in drm_panel_add/remove() | expand

Commit Message

Anusha Srivatsa June 19, 2025, 7:15 p.m. UTC 
Take the panel reference and put it back as required.
drm_panel_add() and drm_panel_remove() add a panel to
the global registry and removes a panel respectively.
Use get() and put() helpers to keep up with refcounting.

Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
---
 drivers/gpu/drm/drm_panel.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c
index 805b4151ccefd8ec0107951162c3b71446102ffb..ced6b08923b2150ebda6e1d9001517103895def1 100644
--- a/drivers/gpu/drm/drm_panel.c
+++ b/drivers/gpu/drm/drm_panel.c
@@ -80,6 +80,7 @@  EXPORT_SYMBOL(drm_panel_init);
  */
 void drm_panel_add(struct drm_panel *panel)
 {
+	drm_panel_get(panel);
 	mutex_lock(&panel_lock);
 	list_add_tail(&panel->list, &panel_list);
 	mutex_unlock(&panel_lock);
@@ -97,6 +98,7 @@  void drm_panel_remove(struct drm_panel *panel)
 	mutex_lock(&panel_lock);
 	list_del_init(&panel->list);
 	mutex_unlock(&panel_lock);
+	drm_panel_put(panel);
 }
 EXPORT_SYMBOL(drm_panel_remove);