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.brezil...@bootlin.com>
Reviewed-by: Thierry Reding <tred...@nvidia.com>
Acked-by: Thierry Reding <tred...@nvidia.com>
---
Changes in v3:
- Add Thierry's A-b/R-b
Changes in v2:
- New commit
---
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 81d3f76c43f3..7678100fd772 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) {
*panel = of_drm_find_panel(remote);
if (!IS_ERR(*panel))
--
2.14.1
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