drm/exynos: hdmi: convert to of_drm_find_and_get_bridge()

of_drm_find_bridge() is deprecated. Move to its replacement
of_drm_find_and_get_bridge() which gets a bridge reference, and ensure it
is put when done.

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patch.msgid.link/20260109-drm-bridge-alloc-getput-drm_of_find_bridge-3-v2-5-8d7a3dbacdf4@bootlin.com
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>

Author: lucaceresoli

drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -1779,7 +1779,7 @@ static int hdmi_bridge_init(struct hdmi_context *hdata)
 		return -EINVAL;
 	}
 
-	hdata->bridge = of_drm_find_bridge(np);
+	hdata->bridge = of_drm_find_and_get_bridge(np);
 	of_node_put(np);
 
 	if (!hdata->bridge)
@@ -2096,6 +2096,8 @@ static void hdmi_remove(struct platform_device *pdev)
 
 	put_device(&hdata->ddc_adpt->dev);
 
+	drm_bridge_put(hdata->bridge);
+
 	mutex_destroy(&hdata->mutex);
 }