1 files changed, 15 insertions, 46 deletions

diff --git a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
index 5748a8581af4..a83020d6576f 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c
@@ -67,7 +67,7 @@ struct anx78xx {
 	struct drm_dp_aux aux;
 	struct drm_bridge bridge;
 	struct i2c_client *client;
-	struct edid *edid;
+	const struct drm_edid *drm_edid;
 	struct drm_connector connector;
 	struct anx78xx_platform_data pdata;
 	struct mutex lock;
@@ -656,35 +656,7 @@ static int anx78xx_dp_link_training(struct anx78xx *anx78xx)
 	if (err)
 		return err;
 
-	/*
-	 * Power up the sink (DP_SET_POWER register is only available on DPCD
-	 * v1.1 and later).
-	 */
-	if (anx78xx->dpcd[DP_DPCD_REV] >= 0x11) {
-		err = drm_dp_dpcd_readb(&anx78xx->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(&anx78xx->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(&anx78xx->aux, anx78xx->dpcd[DP_DPCD_REV]);
 
 	/* Possibly enable downspread on the sink */
 	err = regmap_write(anx78xx->map[I2C_IDX_TX_P0],
@@ -830,8 +802,8 @@ static int anx78xx_get_modes(struct drm_connector *connector)
 	if (WARN_ON(!anx78xx->powered))
 		return 0;
 
-	if (anx78xx->edid)
-		return drm_add_edid_modes(connector, anx78xx->edid);
+	if (anx78xx->drm_edid)
+		return drm_edid_connector_add_modes(connector);
 
 	mutex_lock(&anx78xx->lock);
 
@@ -841,20 +813,21 @@ static int anx78xx_get_modes(struct drm_connector *connector)
 		goto unlock;
 	}
 
-	anx78xx->edid = drm_get_edid(connector, &anx78xx->aux.ddc);
-	if (!anx78xx->edid) {
+	anx78xx->drm_edid = drm_edid_read_ddc(connector, &anx78xx->aux.ddc);
+
+	err = drm_edid_connector_update(connector, anx78xx->drm_edid);
+
+	if (!anx78xx->drm_edid) {
 		DRM_ERROR("Failed to read EDID\n");
 		goto unlock;
 	}
 
-	err = drm_connector_update_edid_property(connector,
-						 anx78xx->edid);
 	if (err) {
 		DRM_ERROR("Failed to update EDID property: %d\n", err);
 		goto unlock;
 	}
 
-	num_modes = drm_add_edid_modes(connector, anx78xx->edid);
+	num_modes = drm_edid_connector_add_modes(connector);
 
 unlock:
 	mutex_unlock(&anx78xx->lock);
@@ -887,6 +860,7 @@ static const struct drm_connector_funcs anx78xx_connector_funcs = {
 };
 
 static int anx78xx_bridge_attach(struct drm_bridge *bridge,
+				 struct drm_encoder *encoder,
 				 enum drm_bridge_attach_flags flags)
 {
 	struct anx78xx *anx78xx = bridge_to_anx78xx(bridge);
@@ -897,11 +871,6 @@ static int anx78xx_bridge_attach(struct drm_bridge *bridge,
 		return -EINVAL;
 	}
 
-	if (!bridge->encoder) {
-		DRM_ERROR("Parent encoder object not found");
-		return -ENODEV;
-	}
-
 	/* Register aux channel */
 	anx78xx->aux.name = "DP-AUX";
 	anx78xx->aux.dev = &anx78xx->client->dev;
@@ -928,7 +897,7 @@ static int anx78xx_bridge_attach(struct drm_bridge *bridge,
 	anx78xx->connector.polled = DRM_CONNECTOR_POLL_HPD;
 
 	err = drm_connector_attach_encoder(&anx78xx->connector,
-					   bridge->encoder);
+					   encoder);
 	if (err) {
 		DRM_ERROR("Failed to link up connector to encoder: %d\n", err);
 		goto connector_cleanup;
@@ -1091,8 +1060,8 @@ static bool anx78xx_handle_common_int_4(struct anx78xx *anx78xx, u8 irq)
 		event = true;
 		anx78xx_poweroff(anx78xx);
 		/* Free cached EDID */
-		kfree(anx78xx->edid);
-		anx78xx->edid = NULL;
+		drm_edid_free(anx78xx->drm_edid);
+		anx78xx->drm_edid = NULL;
 	} else if (irq & SP_HPD_PLUG) {
 		DRM_DEBUG_KMS("IRQ: Hot plug detect - cable plug\n");
 		event = true;
@@ -1363,7 +1332,7 @@ static void anx78xx_i2c_remove(struct i2c_client *client)
 
 	unregister_i2c_dummy_clients(anx78xx);
 
-	kfree(anx78xx->edid);
+	drm_edid_free(anx78xx->drm_edid);
 }
 
 static const struct of_device_id anx78xx_match_table[] = {