There's no point searching for a drm_bridge or drm_panel if the OF node
we're pointing has a status property that is not "okay" or "ok". Just
return -ENODEV in this case.
Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
---
drivers/gpu/drm/drm_of.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index f413fae6f6dc..f8c1da95c63f 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -238,6 +238,11 @@ int drm_of_find_panel_or_bridge(const struct device_node *np,
if (!remote)
return -ENODEV;
+ if (!of_device_is_available(remote)) {
+ of_node_put(remote);
+ return -ENODEV;
+ }
+
if (panel) {
struct drm_panel *tmp_panel;
--
2.14.1
--
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