[PATCH 11/21] drm: Probe panels on demand

Tomeu Vizoso
2015-05-25T14:58:32Z

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) {
--
2.4.1