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@xxxxxxxxxxx>
Signed-off-by: Anusha Srivatsa <asrivats@xxxxxxxxxx>
---
drivers/gpu/drm/drm_panel.c | 2 ++
1 file changed, 2 insertions(+)
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);
--
2.48.1
