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Use drm_bridge_chain_get_last_bridge() instead of open coding a loop with two invocations of drm_bridge_get_next_bridge() per iteration. Besides being cleaner and more efficient, this change is necessary in preparation for drm_bridge_get_next_bridge() to get a reference to the returned bridge. Reviewed-by: Maxime Ripard <mripard@kernel.org> Link: https://lore.kernel.org/r/20250801-drm-bridge-alloc-getput-drm_bridge_get_next_bridge-v2-4-888912b0be13@bootlin.com Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>