linux-kernel - [PATCH v4 15/16] drm: bridge: analogix/dp: move hpd detect to connector detect function

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Date:	Tue,  1 Sep 2015 14:17:40 +0800
From:	Yakir Yang <ykk@...k-chips.com>
To:	Heiko Stuebner <heiko@...ech.de>,
	Thierry Reding <treding@...dia.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Inki Dae <inki.dae@...sung.com>, joe@...ches.com,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Mark Yao <mark.yao@...k-chips.com>
Cc:	Russell King <rmk+kernel@....linux.org.uk>, djkurtz@...omium.com,
	dianders@...omium.com, seanpaul@...omium.com, ajaynumb@...il.com,
	Andrzej Hajda <a.hajda@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	David Airlie <airlied@...ux.ie>,
	Gustavo Padovan <gustavo.padovan@...labora.co.uk>,
	Andy Yan <andy.yan@...k-chips.com>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Kishon Vijay Abraham I <kishon@...com>,
	architt@...eaurora.org, robherring2@...il.com,
	Yakir Yang <ykk@...k-chips.com>,
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v4 15/16] drm: bridge: analogix/dp: move hpd detect to connector detect function

This change just make a little clean to make code more like
drm core expect, move hdp detect code from bridge->enable(),
and place them into connector->detect().

Signed-off-by: Yakir Yang <ykk@...k-chips.com>
---
Changes in v4:
- Take Jingoo suggest, add commit messages.

Changes in v3:
- move dp hpd detect to connector detect function.

Changes in v2: None

 drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
index e6b328a..499ec57 100644
--- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
+++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
@@ -908,12 +908,6 @@ static void analogix_dp_commit(struct analogix_dp_device *dp)
 			DRM_ERROR("failed to disable the panel\n");
 	}
 
-	ret = analogix_dp_detect_hpd(dp);
-	if (ret) {
-		/* Cable has been disconnected, we're done */
-		return;
-	}
-
 	ret = analogix_dp_handle_edid(dp);
 	if (ret) {
 		dev_err(dp->dev, "unable to handle edid\n");
@@ -949,6 +943,12 @@ static void analogix_dp_commit(struct analogix_dp_device *dp)
 static enum drm_connector_status
 analogix_dp_detect(struct drm_connector *connector, bool force)
 {
+	struct analogix_dp_device *dp = connector_to_dp(connector);
+
+	if (analogix_dp_detect_hpd(dp))
+		/* Cable has been disconnected, we're done */
+		return connector_status_disconnected;
+
 	return connector_status_connected;
 }
 
-- 
2.1.2


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