drm/bridge: dw-hdmi-qp: drop atomic_check() callback

As drm_bridge_connector now provides atomic_check() implementation which
calls drm_atomic_helper_connector_hdmi_check(), drop the duplicating
callback from the bridge driver.

Acked-by: Maxime Ripard <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]
Signed-off-by: Dmitry Baryshkov <[e-mail]>

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

···
 	return 0;
 }
 
-static int dw_hdmi_qp_bridge_atomic_check(struct drm_bridge *bridge,
-					  struct drm_bridge_state *bridge_state,
-					  struct drm_crtc_state *crtc_state,
-					  struct drm_connector_state *conn_state)
-{
-	struct dw_hdmi_qp *hdmi = bridge->driver_private;
-	int ret;
-
-	ret = drm_atomic_helper_connector_hdmi_check(conn_state->connector,
-						     conn_state->state);
-	if (ret)
-		dev_dbg(hdmi->dev, "%s failed: %d\n", __func__, ret);
-
-	return ret;
-}
-
 static void dw_hdmi_qp_bridge_atomic_enable(struct drm_bridge *bridge,
 					    struct drm_bridge_state *old_state)
 {
···
 	.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,
-	.atomic_check = dw_hdmi_qp_bridge_atomic_check,
 	.atomic_enable = dw_hdmi_qp_bridge_atomic_enable,
 	.atomic_disable = dw_hdmi_qp_bridge_atomic_disable,
 	.detect = dw_hdmi_qp_bridge_detect,