drm/bridge: dw-hdmi: convert to devm_drm_bridge_alloc() API

This is the new API for allocating DRM bridges.

Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250424-drm-bridge-convert-to-alloc-api-v2-11-8f91a404d86b@bootlin.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>

Author: lucaceresoli

drivers/gpu/drm/bridge/synopsys/dw-hdmi.c

@@ -3333,9 +3333,9 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
 	u8 config0;
 	u8 config3;
 
-	hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL);
-	if (!hdmi)
-		return ERR_PTR(-ENOMEM);
+	hdmi = devm_drm_bridge_alloc(dev, struct dw_hdmi, bridge, &dw_hdmi_bridge_funcs);
+	if (IS_ERR(hdmi))
+		return hdmi;
 
 	hdmi->plat_data = plat_data;
 	hdmi->dev = dev;
@@ -3495,7 +3495,6 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev,
 	}
 
 	hdmi->bridge.driver_private = hdmi;
-	hdmi->bridge.funcs = &dw_hdmi_bridge_funcs;
 	hdmi->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID
 			 | DRM_BRIDGE_OP_HPD;
 	hdmi->bridge.interlace_allowed = true;