drm: of: don't mask possible_crtcs if remote-point is disabled

Change-Id: I98d42ce5c9a5ed832e455a3d1fc88cf3ec717d69
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>

diff --git a/drivers/gpu/drm/drm_of.c b/drivers/gpu/drm/drm_of.c
index bc98bb94264d130611bf73ea06a09b74afa5a3a6..fb758f26cf5cb83fc26c270afcac19f38e5fb507 100644 (file)
--- a/drivers/gpu/drm/drm_of.c
+++ b/drivers/gpu/drm/drm_of.c
@@ -48,6 +48,11 @@ 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);