[PATCH] drm/of: Consider the state in which the ep is disabled

[Sandy Huang]

don't mask possible_crtcs if remote-point is disabled.

Signed-off-by: Sandy Huang <h...@rock-chips.com>
---
 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 fdb05fbf72a0..f5f250435add 100644
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -66,6 +66,11 @@ uint32_t drm_of_find_possible_crtcs(struct drm_device *dev,
        uint32_t possible_crtcs = 0;
 
        for_each_endpoint_of_node(port, ep) {
+               if (!of_device_is_available(ep)) {
+                       of_node_put(ep);
+                       continue;
+               }
+
                remote_port = of_graph_get_remote_port(ep);
                if (!remote_port) {
                        of_node_put(ep);
-- 
2.17.1