1 files changed, 7 insertions, 34 deletions

diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
index 83d711ee3a2e..f3fe47b12edc 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx6345.c
@@ -143,35 +143,7 @@ static int anx6345_dp_link_training(struct anx6345 *anx6345)
 	if (err)
 		return err;
 
-	/*
-	 * Power up the sink (DP_SET_POWER register is only available on DPCD
-	 * v1.1 and later).
-	 */
-	if (anx6345->dpcd[DP_DPCD_REV] >= 0x11) {
-		err = drm_dp_dpcd_readb(&anx6345->aux, DP_SET_POWER, &dpcd[0]);
-		if (err < 0) {
-			DRM_ERROR("Failed to read DP_SET_POWER register: %d\n",
-				  err);
-			return err;
-		}
-
-		dpcd[0] &= ~DP_SET_POWER_MASK;
-		dpcd[0] |= DP_SET_POWER_D0;
-
-		err = drm_dp_dpcd_writeb(&anx6345->aux, DP_SET_POWER, dpcd[0]);
-		if (err < 0) {
-			DRM_ERROR("Failed to power up DisplayPort link: %d\n",
-				  err);
-			return err;
-		}
-
-		/*
-		 * According to the DP 1.1 specification, a "Sink Device must
-		 * exit the power saving state within 1 ms" (Section 2.5.3.1,
-		 * Table 5-52, "Sink Control Field" (register 0x600).
-		 */
-		usleep_range(1000, 2000);
-	}
+	drm_dp_link_power_up(&anx6345->aux, anx6345->dpcd[DP_DPCD_REV]);
 
 	/* Possibly enable downspread on the sink */
 	err = regmap_write(anx6345->map[I2C_IDX_DPTX],
@@ -517,6 +489,7 @@ static const struct drm_connector_funcs anx6345_connector_funcs = {
 };
 
 static int anx6345_bridge_attach(struct drm_bridge *bridge,
+				 struct drm_encoder *encoder,
 				 enum drm_bridge_attach_flags flags)
 {
 	struct anx6345 *anx6345 = bridge_to_anx6345(bridge);
@@ -553,7 +526,7 @@ static int anx6345_bridge_attach(struct drm_bridge *bridge,
 	anx6345->connector.polled = DRM_CONNECTOR_POLL_HPD;
 
 	err = drm_connector_attach_encoder(&anx6345->connector,
-					   bridge->encoder);
+					   encoder);
 	if (err) {
 		DRM_ERROR("Failed to link up connector to encoder: %d\n", err);
 		goto connector_cleanup;
@@ -691,9 +664,10 @@ static int anx6345_i2c_probe(struct i2c_client *client)
 	struct device *dev;
 	int i, err;
 
-	anx6345 = devm_kzalloc(&client->dev, sizeof(*anx6345), GFP_KERNEL);
-	if (!anx6345)
-		return -ENOMEM;
+	anx6345 = devm_drm_bridge_alloc(&client->dev, struct anx6345, bridge,
+					&anx6345_bridge_funcs);
+	if (IS_ERR(anx6345))
+		return PTR_ERR(anx6345);
 
 	mutex_init(&anx6345->lock);
 
@@ -765,7 +739,6 @@ static int anx6345_i2c_probe(struct i2c_client *client)
 	/* Look for supported chip ID */
 	anx6345_poweron(anx6345);
 	if (anx6345_get_chip_id(anx6345)) {
-		anx6345->bridge.funcs = &anx6345_bridge_funcs;
 		drm_bridge_add(&anx6345->bridge);
 
 		return 0;