linux-kernel - [PATCH v8 2/8] drm/bridge: analogix_dp: Fix connector and encoder cleanup

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Message-Id: <20180110162348.22765-3-thierry.escande@collabora.com>
Date:   Wed, 10 Jan 2018 17:23:42 +0100
From:   Thierry Escande <thierry.escande@...labora.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Archit Taneja <architt@...eaurora.org>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Neil Armstrong <narmstrong@...libre.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sandy Huang <hjc@...k-chips.com>
Cc:     Jeffy Chen <jeffy.chen@...k-chips.com>,
        Sean Paul <seanpaul@...omium.org>,
        dri-devel@...ts.freedesktop.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v8 2/8] drm/bridge: analogix_dp: Fix connector and encoder cleanup

From: Jeffy Chen <jeffy.chen@...k-chips.com>

Since we are initing connector in the core driver and encoder in the
plat driver, let's clean them up in the right places.

Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com>
Signed-off-by: Thierry Escande <thierry.escande@...labora.com>
Reviewed-by: Andrzej Hajda <a.hajda@...sung.com>
---
 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c |  2 --
 drivers/gpu/drm/exynos/exynos_dp.c                 |  7 +++++--
 drivers/gpu/drm/rockchip/analogix_dp-rockchip.c    | 12 +++++-------
 3 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index 878f61b65cb2..cb5e18d6ba04 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -1411,7 +1411,6 @@ analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
 	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;
 	}
 
@@ -1434,7 +1433,6 @@ void analogix_dp_unbind(struct analogix_dp_device *dp)
 {
 	analogix_dp_bridge_disable(dp->bridge);
 	dp->connector.funcs->destroy(&dp->connector);
-	dp->encoder->funcs->destroy(dp->encoder);
 
 	if (dp->plat_data->panel) {
 		if (drm_panel_unprepare(dp->plat_data->panel))
diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
index f7e5b2c405ed..33319a858f3a 100644
--- a/drivers/gpu/drm/exynos/exynos_dp.c
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -185,8 +185,10 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
 	dp->plat_data.encoder = encoder;
 
 	dp->adp = analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
-	if (IS_ERR(dp->adp))
+	if (IS_ERR(dp->adp)) {
+		dp->encoder.funcs->destroy(&dp->encoder);
 		return PTR_ERR(dp->adp);
+	}
 
 	return 0;
 }
@@ -196,7 +198,8 @@ static void exynos_dp_unbind(struct device *dev, struct device *master,
 {
 	struct exynos_dp_device *dp = dev_get_drvdata(dev);
 
-	return analogix_dp_unbind(dp->adp);
+	analogix_dp_unbind(dp->adp);
+	dp->encoder.funcs->destroy(&dp->encoder);
 }
 
 static const struct component_ops exynos_dp_ops = {
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index 8a58ad80f509..37250ab63bd7 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -259,13 +259,8 @@ static struct drm_encoder_helper_funcs rockchip_dp_encoder_helper_funcs = {
 	.atomic_check = rockchip_dp_drm_encoder_atomic_check,
 };
 
-static void rockchip_dp_drm_encoder_destroy(struct drm_encoder *encoder)
-{
-	drm_encoder_cleanup(encoder);
-}
-
 static struct drm_encoder_funcs rockchip_dp_encoder_funcs = {
-	.destroy = rockchip_dp_drm_encoder_destroy,
+	.destroy = drm_encoder_cleanup,
 };
 
 static int rockchip_dp_of_probe(struct rockchip_dp_device *dp)
@@ -362,8 +357,10 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
 	rockchip_drm_psr_register(&dp->encoder, analogix_dp_psr_set);
 
 	dp->adp = analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
-	if (IS_ERR(dp->adp))
+	if (IS_ERR(dp->adp)) {
+		dp->encoder.funcs->destroy(&dp->encoder);
 		return PTR_ERR(dp->adp);
+	}
 
 	return 0;
 }
@@ -375,6 +372,7 @@ static void rockchip_dp_unbind(struct device *dev, struct device *master,
 
 	rockchip_drm_psr_unregister(&dp->encoder);
 	analogix_dp_unbind(dp->adp);
+	dp->encoder.funcs->destroy(&dp->encoder);
 }
 
 static const struct component_ops rockchip_dp_component_ops = {
-- 
2.14.1