Add atomic_duplicate_state/atomic_destroy_state/atomic_reset bridge
funcs to allow setup of atomic bridge state.

Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
Reviewed-by: Boris Brezillon <boris.brezil...@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Jernej Škrabec <jernej.skra...@siol.net>
---
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c 
b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index e097f60e6431..9f2918898f60 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -2506,6 +2506,9 @@ static void dw_hdmi_bridge_enable(struct drm_bridge 
*bridge)
 }
 
 static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = {
+       .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
+       .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
+       .atomic_reset = drm_atomic_helper_bridge_reset,
        .attach = dw_hdmi_bridge_attach,
        .detach = dw_hdmi_bridge_detach,
        .enable = dw_hdmi_bridge_enable,
-- 
2.22.0

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