[PATCH v3 07/21] drm/bridge: tc358767: add detect bridge operation

[Sam Ravnborg]

Prepare the bridge driver for chained operation by adding
support for the detect operation.

Signed-off-by: Sam Ravnborg <s...@ravnborg.org>
Cc: Andrzej Hajda <a.ha...@samsung.com>
Cc: Neil Armstrong <narmstr...@baylibre.com>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Jonas Karlman <jo...@kwiboo.se>
Cc: Jernej Skrabec <jernej.skra...@siol.net>
---
 drivers/gpu/drm/bridge/tc358767.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/bridge/tc358767.c 
b/drivers/gpu/drm/bridge/tc358767.c
index 08d483664258..85973ae728db 100644
--- a/drivers/gpu/drm/bridge/tc358767.c
+++ b/drivers/gpu/drm/bridge/tc358767.c
@@ -1353,10 +1353,9 @@ static const struct drm_connector_helper_funcs 
tc_connector_helper_funcs = {
        .get_modes = tc_connector_get_modes,
 };
 
-static enum drm_connector_status tc_connector_detect(struct drm_connector 
*connector,
-                                                    bool force)
+static enum drm_connector_status tc_bridge_detect(struct drm_bridge *bridge)
 {
-       struct tc_data *tc = connector_to_tc(connector);
+       struct tc_data *tc = bridge_to_tc(bridge);
        bool conn;
        u32 val;
        int ret;
@@ -1380,6 +1379,14 @@ static enum drm_connector_status 
tc_connector_detect(struct drm_connector *conne
                return connector_status_disconnected;
 }
 
+static enum drm_connector_status
+tc_connector_detect(struct drm_connector *connector, bool force)
+{
+       struct tc_data *tc = connector_to_tc(connector);
+
+       return tc_bridge_detect(&tc->bridge);
+}
+
 static const struct drm_connector_funcs tc_connector_funcs = {
        .detect = tc_connector_detect,
        .fill_modes = drm_helper_probe_single_connector_modes,
@@ -1444,6 +1451,7 @@ static const struct drm_bridge_funcs tc_bridge_funcs = {
        .enable = tc_bridge_enable,
        .disable = tc_bridge_disable,
        .mode_fixup = tc_bridge_mode_fixup,
+       .detect = tc_bridge_detect,
 };
 
 static bool tc_readable_reg(struct device *dev, unsigned int reg)
@@ -1677,6 +1685,8 @@ static int tc_probe(struct i2c_client *client, const 
struct i2c_device_id *id)
                return ret;
 
        tc->bridge.funcs = &tc_bridge_funcs;
+       tc->bridge.ops = DRM_BRIDGE_OP_DETECT;
+
        tc->bridge.of_node = dev->of_node;
        drm_bridge_add(&tc->bridge);
 
-- 
2.25.1

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