When looking up a panel through its DT node, ensure that the corresponding device has been registered.
Signed-off-by: Tomeu Vizoso tomeu.vizoso@collabora.com --- drivers/gpu/drm/drm_panel.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c index 2ef988e..041211e 100644 --- a/drivers/gpu/drm/drm_panel.c +++ b/drivers/gpu/drm/drm_panel.c @@ -23,6 +23,7 @@
#include <linux/err.h> #include <linux/module.h> +#include <linux/of_platform.h>
#include <drm/drm_crtc.h> #include <drm/drm_panel.h> @@ -80,6 +81,8 @@ struct drm_panel *of_drm_find_panel(struct device_node *np) { struct drm_panel *panel;
+ of_platform_device_ensure(np); + mutex_lock(&panel_lock);
list_for_each_entry(panel, &panel_list, list) {