linux-kernel - [PATCH v6 08/10] drm/bridge/synopsys: dw-hdmi: Add missing bridge detach

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Message-Id: <20171019034812.13768-9-jeffy.chen@rock-chips.com>
Date:   Thu, 19 Oct 2017 11:48:10 +0800
From:   Jeffy Chen <jeffy.chen@...k-chips.com>
To:     linux-kernel@...r.kernel.org
Cc:     briannorris@...omium.org, seanpaul@...omium.org,
        dianders@...omium.org, heiko@...ech.de, tfiga@...omium.org,
        Jeffy Chen <jeffy.chen@...k-chips.com>,
        Andrzej Hajda <a.hajda@...sung.com>,
        Romain Perier <romain.perier@...labora.com>,
        Archit Taneja <architt@...eaurora.org>,
        dri-devel@...ts.freedesktop.org,
        Russell King <rmk+kernel@...linux.org.uk>,
        Neil Armstrong <narmstrong@...libre.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        David Airlie <airlied@...ux.ie>,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>
Subject: [PATCH v6 08/10] drm/bridge/synopsys: dw-hdmi: Add missing bridge detach

We inited connector in attach(), so need a detach() to cleanup.

Also fix wrong use of dw_hdmi_remove() in bind().

Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com>
---

Changes in v6: None
Changes in v5: None

 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
index bf14214fa464..ff1b3d2b5d06 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
@@ -1966,6 +1966,13 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge)
 	return 0;
 }
 
+static void dw_hdmi_bridge_detach(struct drm_bridge *bridge)
+{
+	struct dw_hdmi *hdmi = bridge->driver_private;
+
+	drm_connector_cleanup(&hdmi->connector);
+}
+
 static enum drm_mode_status
 dw_hdmi_bridge_mode_valid(struct drm_bridge *bridge,
 			  const struct drm_display_mode *mode)
@@ -2022,6 +2029,7 @@ static void dw_hdmi_bridge_enable(struct drm_bridge *bridge)
 
 static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = {
 	.attach = dw_hdmi_bridge_attach,
+	.detach = dw_hdmi_bridge_detach,
 	.enable = dw_hdmi_bridge_enable,
 	.disable = dw_hdmi_bridge_disable,
 	.mode_set = dw_hdmi_bridge_mode_set,
@@ -2591,7 +2599,7 @@ int dw_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder,
 
 	ret = drm_bridge_attach(encoder, &hdmi->bridge, NULL);
 	if (ret) {
-		dw_hdmi_remove(pdev);
+		__dw_hdmi_remove(hdmi);
 		DRM_ERROR("Failed to initialize bridge with drm\n");
 		return ret;
 	}
-- 
2.11.0