linux-kernel - [PATCH 2/5] drm/rockchip: rgb: add video

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221130140217.3196414-3-michael.riesch@wolfvision.net>
Date:   Wed, 30 Nov 2022 15:02:14 +0100
From:   Michael Riesch <michael.riesch@...fvision.net>
To:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Sandy Huang <hjc@...k-chips.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Sascha Hauer <sha@...gutronix.de>,
        Michael Riesch <michael.riesch@...fvision.net>
Subject: [PATCH 2/5] drm/rockchip: rgb: add video_port parameter to init function

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@...fvision.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