[PATCH v3 3/6] drm/rockchip: rgb: add video_port parameter to init function

[Michael Riesch]

The VOP2 driver has more than one video port, hence the hard-coded
port id will not work anymore. Add an extra parameter for the video
port id to the rockchip_rgb_init function.

Signed-off-by: Michael Riesch <michael.rie...@wolfvision.net>
---
v3:
 - no changes
v2:
 - no changes

 drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +-
 drivers/gpu/drm/rockchip/rockchip_rgb.c     | 9 +++++----
 drivers/gpu/drm/rockchip/rockchip_rgb.h     | 6 ++++--
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c 
b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index fa1f4ee6d195..5d18dea5c8d6 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -2221,7 +2221,7 @@ static int vop_bind(struct device *dev, struct device 
*master, void *data)
                goto err_disable_pm_runtime;
 
        if (vop->data->feature & VOP_FEATURE_INTERNAL_RGB) {
-               vop->rgb = rockchip_rgb_init(dev, &vop->crtc, vop->drm_dev);
+               vop->rgb = rockchip_rgb_init(dev, &vop->crtc, vop->drm_dev, 0);
                if (IS_ERR(vop->rgb)) {
                        ret = PTR_ERR(vop->rgb);
                        goto err_disable_pm_runtime;
diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.c 
b/drivers/gpu/drm/rockchip/rockchip_rgb.c
index 5971df4302f2..c677b71ae516 100644
--- a/drivers/gpu/drm/rockchip/rockchip_rgb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c
@@ -72,7 +72,8 @@ struct drm_encoder_helper_funcs 
rockchip_rgb_encoder_helper_funcs = {
 
 struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
                                       struct drm_crtc *crtc,
-                                      struct drm_device *drm_dev)
+                                      struct drm_device *drm_dev,
+                                      int video_port)
 {
        struct rockchip_rgb *rgb;
        struct drm_encoder *encoder;
@@ -90,7 +91,7 @@ struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
        rgb->dev = dev;
        rgb->drm_dev = drm_dev;
 
-       port = of_graph_get_port_by_id(dev->of_node, 0);
+       port = of_graph_get_port_by_id(dev->of_node, video_port);
        if (!port)
                return ERR_PTR(-EINVAL);
 
@@ -103,8 +104,8 @@ struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
                        continue;
 
                child_count++;
-               ret = drm_of_find_panel_or_bridge(dev->of_node, 0, endpoint_id,
-                                                 &panel, &bridge);
+               ret = drm_of_find_panel_or_bridge(dev->of_node, video_port,
+                                                 endpoint_id, &panel, &bridge);
                if (!ret) {
                        of_node_put(endpoint);
                        break;
diff --git a/drivers/gpu/drm/rockchip/rockchip_rgb.h 
b/drivers/gpu/drm/rockchip/rockchip_rgb.h
index 27b9635124bc..1bd4e20e91eb 100644
--- a/drivers/gpu/drm/rockchip/rockchip_rgb.h
+++ b/drivers/gpu/drm/rockchip/rockchip_rgb.h
@@ -8,12 +8,14 @@
 #ifdef CONFIG_ROCKCHIP_RGB
 struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
                                       struct drm_crtc *crtc,
-                                      struct drm_device *drm_dev);
+                                      struct drm_device *drm_dev,
+                                      int video_port);
 void rockchip_rgb_fini(struct rockchip_rgb *rgb);
 #else
 static inline struct rockchip_rgb *rockchip_rgb_init(struct device *dev,
                                                     struct drm_crtc *crtc,
-                                                    struct drm_device *drm_dev)
+                                                    struct drm_device *drm_dev,
+                                                    int video_port)
 {
        return NULL;
 }
-- 
2.30.2