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The hardware can combine H&V syncs onto the output enable line as composite syncs, so add the relevant configuration to do that. Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Link: https://lore.kernel.org/r/20220613144800.326124-9-maxime@cerno.tech Signed-off-by: Maxime Ripard <maxime@cerno.tech>