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Subject[PATCH 2/5] drm/rockchip: rgb: add video_port parameter to init function
Date
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.riesch@wolfvision.net>
---
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 c356de5dd220..f7335f9cac73 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 16201a5cf1e8..ed6ccd1db465 100644
--- a/drivers/gpu/drm/rockchip/rockchip_rgb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_rgb.c
@@ -74,7 +74,8 @@ 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;
@@ -92,7 +93,7 @@ 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);

@@ -105,8 +106,8 @@ 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
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