linux-kernel - [PATCH v5 1/4] drm/bridge: analogix_dp: set connector to drm_dp

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Date:   Thu, 12 Jan 2017 09:58:41 +0100
From:   Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:     linux-kernel@...r.kernel.org
Cc:     Ville Syrjälä 
        <ville.syrjala@...ux.intel.com>, Sean Paul <seanpaul@...omium.org>,
        Thierry Reding <thierry.reding@...il.com>,
        intel-gfx-trybot@...ts.freedesktop.org,
        Emil Velikov <emil.l.velikov@...il.com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Archit Taneja <architt@...eaurora.org>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH v5 1/4] drm/bridge: analogix_dp: set connector to drm_dp_aux

Set the backpointer so that the DP helpers are able to access the
connector that the drm_dp_aux is associated with.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
---

 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index e7cd1056ff2d..44c2b74bf771 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1403,26 +1403,28 @@ int analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
 	dp->drm_dev = drm_dev;
 	dp->encoder = dp->plat_data->encoder;
 
+	ret = analogix_dp_create_bridge(drm_dev, dp);
+	if (ret) {
+		DRM_ERROR("failed to create bridge (%d)\n", ret);
+		goto err_encoder_cleanup;
+	}
+
 	dp->aux.name = "DP-AUX";
 	dp->aux.transfer = analogix_dpaux_transfer;
 	dp->aux.dev = &pdev->dev;
+	dp->aux.connector = &dp->connector;
 
 	ret = drm_dp_aux_register(&dp->aux);
 	if (ret)
-		goto err_disable_pm_runtime;
-
-	ret = analogix_dp_create_bridge(drm_dev, dp);
-	if (ret) {
-		DRM_ERROR("failed to create bridge (%d)\n", ret);
-		drm_encoder_cleanup(dp->encoder);
-		goto err_disable_pm_runtime;
-	}
+		goto err_encoder_cleanup;
 
 	phy_power_off(dp->phy);
 	pm_runtime_put(dev);
 
 	return 0;
 
+err_encoder_cleanup:
+	drm_encoder_cleanup(dp->encoder);
 err_disable_pm_runtime:
 
 	phy_power_off(dp->phy);
-- 
2.9.3