[PATCH v2 21/21] drm/tilcdc: Initialize crtc->port

[Jyri Sarha]

Initialize port device node pointer in the tilcdc crtc. Fixes "Falling
back to first CRTC" warning from tda998x driver.

Signed-off-by: Jyri Sarha <jsarha at ti.com>
---
 drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c 
b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index e886277..cfd3fd1 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -124,6 +124,7 @@ static void tilcdc_crtc_destroy(struct drm_crtc *crtc)

        tilcdc_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);

+       of_node_put(crtc->port);
        drm_crtc_cleanup(crtc);
        drm_flip_work_cleanup(&tilcdc_crtc->unref_work);

@@ -768,6 +769,7 @@ void tilcdc_crtc_cancel_page_flip(struct drm_crtc *crtc, 
struct drm_file *file)

 struct drm_crtc *tilcdc_crtc_create(struct drm_device *dev)
 {
+       struct tilcdc_drm_private *priv = dev->dev_private;
        struct tilcdc_crtc *tilcdc_crtc;
        struct drm_crtc *crtc;
        int ret;
@@ -794,6 +796,15 @@ struct drm_crtc *tilcdc_crtc_create(struct drm_device *dev)

        drm_crtc_helper_add(crtc, &tilcdc_crtc_helper_funcs);

+       if (priv->is_componentized) {
+               crtc->port =
+                       of_get_child_by_name(dev->dev->of_node, "port");
+               if (!crtc->port) {
+                       dev_warn(dev->dev, "no port node found in %s\n",
+                                dev->dev->of_node->full_name);
+               }
+       }
+
        return crtc;

 fail:
-- 
1.9.1