drm/mediatek: dp: Replace usage of drm_bridge_chain_ functions

Commit f70ac097 ("drm/mediatek: Add MT8195 Embedded DisplayPort
driver") added usage of the drm_bridge_chain_ functions which are
to be deprecated.

Replace with the drm_atomic_bridge_chain_ variants using the
current state.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Link: https://lore.kernel.org/r/20221205173328.1395350-3-dave.stevenson@raspberrypi.comSigned-off-by: Maxime Ripard <maxime@cerno.tech>

drivers/gpu/drm/mediatek/mtk_dp.c

@@ -1981,7 +1981,7 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge,
 	struct cea_sad *sads;
 
 	if (!enabled) {
-		drm_bridge_chain_pre_enable(bridge);
+		drm_atomic_bridge_chain_pre_enable(bridge, connector->state->state);
 
 		/* power on aux */
 		mtk_dp_update_bits(mtk_dp, MTK_DP_TOP_PWR_STATE,
@@ -2019,7 +2019,7 @@ static struct edid *mtk_dp_get_edid(struct drm_bridge *bridge,
 				   DP_PWR_STATE_BANDGAP_TPLL,
 				   DP_PWR_STATE_MASK);
 
-		drm_bridge_chain_post_disable(bridge);
+		drm_atomic_bridge_chain_post_disable(bridge, connector->state->state);
 	}
 
 	return new_edid;