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From: Sascha Hauer <s.hauer@pengutronix.de>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
	kernel@pengutronix.de, "Andy Yan" <andy.yan@rock-chips.com>,
	"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
	"Michael Riesch" <michael.riesch@wolfvision.net>,
	"Sandy Huang" <hjc@rock-chips.com>,
	"Heiko Stübner" <heiko@sntech.de>,
	"Peter Geis" <pgwipeout@gmail.com>,
	"Sascha Hauer" <s.hauer@pengutronix.de>
Subject: [PATCH 01/18] drm/rockchip: dw_hdmi: Do not leave clock enabled in error case
Date: Wed,  8 Dec 2021 16:12:13 +0100	[thread overview]
Message-ID: <20211208151230.3695378-2-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20211208151230.3695378-1-s.hauer@pengutronix.de>

The driver returns an error when devm_phy_optional_get() fails leaving
the previously enabled clock turned on. Change order and enable the
clock only after the phy has been acquired.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 830bdd5e9b7ce..8677c82716784 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -529,13 +529,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
-	ret = clk_prepare_enable(hdmi->vpll_clk);
-	if (ret) {
-		DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
-			      ret);
-		return ret;
-	}
-
 	hdmi->phy = devm_phy_optional_get(dev, "hdmi");
 	if (IS_ERR(hdmi->phy)) {
 		ret = PTR_ERR(hdmi->phy);
@@ -544,6 +537,13 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
+	ret = clk_prepare_enable(hdmi->vpll_clk);
+	if (ret) {
+		DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
+			      ret);
+		return ret;
+	}
+
 	drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
 	drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
 
-- 
2.30.2


WARNING: multiple messages have this Message-ID (diff)
From: Sascha Hauer <s.hauer@pengutronix.de>
To: dri-devel@lists.freedesktop.org
Cc: devicetree@vger.kernel.org,
	Benjamin Gaignard <benjamin.gaignard@collabora.com>,
	Peter Geis <pgwipeout@gmail.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Sandy Huang <hjc@rock-chips.com>,
	linux-rockchip@lists.infradead.org,
	Michael Riesch <michael.riesch@wolfvision.net>,
	kernel@pengutronix.de, Andy Yan <andy.yan@rock-chips.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 01/18] drm/rockchip: dw_hdmi: Do not leave clock enabled in error case
Date: Wed,  8 Dec 2021 16:12:13 +0100	[thread overview]
Message-ID: <20211208151230.3695378-2-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20211208151230.3695378-1-s.hauer@pengutronix.de>

The driver returns an error when devm_phy_optional_get() fails leaving
the previously enabled clock turned on. Change order and enable the
clock only after the phy has been acquired.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 830bdd5e9b7ce..8677c82716784 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -529,13 +529,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
-	ret = clk_prepare_enable(hdmi->vpll_clk);
-	if (ret) {
-		DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
-			      ret);
-		return ret;
-	}
-
 	hdmi->phy = devm_phy_optional_get(dev, "hdmi");
 	if (IS_ERR(hdmi->phy)) {
 		ret = PTR_ERR(hdmi->phy);
@@ -544,6 +537,13 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
+	ret = clk_prepare_enable(hdmi->vpll_clk);
+	if (ret) {
+		DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
+			      ret);
+		return ret;
+	}
+
 	drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
 	drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
 
-- 
2.30.2


WARNING: multiple messages have this Message-ID (diff)
From: Sascha Hauer <s.hauer@pengutronix.de>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
	kernel@pengutronix.de, "Andy Yan" <andy.yan@rock-chips.com>,
	"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
	"Michael Riesch" <michael.riesch@wolfvision.net>,
	"Sandy Huang" <hjc@rock-chips.com>,
	"Heiko Stübner" <heiko@sntech.de>,
	"Peter Geis" <pgwipeout@gmail.com>,
	"Sascha Hauer" <s.hauer@pengutronix.de>
Subject: [PATCH 01/18] drm/rockchip: dw_hdmi: Do not leave clock enabled in error case
Date: Wed,  8 Dec 2021 16:12:13 +0100	[thread overview]
Message-ID: <20211208151230.3695378-2-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20211208151230.3695378-1-s.hauer@pengutronix.de>

The driver returns an error when devm_phy_optional_get() fails leaving
the previously enabled clock turned on. Change order and enable the
clock only after the phy has been acquired.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 830bdd5e9b7ce..8677c82716784 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -529,13 +529,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
-	ret = clk_prepare_enable(hdmi->vpll_clk);
-	if (ret) {
-		DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
-			      ret);
-		return ret;
-	}
-
 	hdmi->phy = devm_phy_optional_get(dev, "hdmi");
 	if (IS_ERR(hdmi->phy)) {
 		ret = PTR_ERR(hdmi->phy);
@@ -544,6 +537,13 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
+	ret = clk_prepare_enable(hdmi->vpll_clk);
+	if (ret) {
+		DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
+			      ret);
+		return ret;
+	}
+
 	drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
 	drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
 
-- 
2.30.2


_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

WARNING: multiple messages have this Message-ID (diff)
From: Sascha Hauer <s.hauer@pengutronix.de>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org,
	kernel@pengutronix.de, "Andy Yan" <andy.yan@rock-chips.com>,
	"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
	"Michael Riesch" <michael.riesch@wolfvision.net>,
	"Sandy Huang" <hjc@rock-chips.com>,
	"Heiko Stübner" <heiko@sntech.de>,
	"Peter Geis" <pgwipeout@gmail.com>,
	"Sascha Hauer" <s.hauer@pengutronix.de>
Subject: [PATCH 01/18] drm/rockchip: dw_hdmi: Do not leave clock enabled in error case
Date: Wed,  8 Dec 2021 16:12:13 +0100	[thread overview]
Message-ID: <20211208151230.3695378-2-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20211208151230.3695378-1-s.hauer@pengutronix.de>

The driver returns an error when devm_phy_optional_get() fails leaving
the previously enabled clock turned on. Change order and enable the
clock only after the phy has been acquired.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 830bdd5e9b7ce..8677c82716784 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -529,13 +529,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
-	ret = clk_prepare_enable(hdmi->vpll_clk);
-	if (ret) {
-		DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
-			      ret);
-		return ret;
-	}
-
 	hdmi->phy = devm_phy_optional_get(dev, "hdmi");
 	if (IS_ERR(hdmi->phy)) {
 		ret = PTR_ERR(hdmi->phy);
@@ -544,6 +537,13 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 		return ret;
 	}
 
+	ret = clk_prepare_enable(hdmi->vpll_clk);
+	if (ret) {
+		DRM_DEV_ERROR(hdmi->dev, "Failed to enable HDMI vpll: %d\n",
+			      ret);
+		return ret;
+	}
+
 	drm_encoder_helper_add(encoder, &dw_hdmi_rockchip_encoder_helper_funcs);
 	drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
 
-- 
2.30.2


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2021-12-08 15:13 UTC|newest]

Thread overview: 123+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-08 15:12 [PATCH v2 00/18] drm/rockchip: RK356x VOP2 support Sascha Hauer
2021-12-08 15:12 ` Sascha Hauer
2021-12-08 15:12 ` Sascha Hauer
2021-12-08 15:12 ` Sascha Hauer
2021-12-08 15:12 ` Sascha Hauer [this message]
2021-12-08 15:12   ` [PATCH 01/18] drm/rockchip: dw_hdmi: Do not leave clock enabled in error case Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 02/18] drm/rockchip: dw_hdmi: rename vpll clock to reference clock Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 03/18] drm/rockchip: dw_hdmi: add rk3568 support Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 04/18] drm/rockchip: dw_hdmi: add regulator support Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 05/18] dt-bindings: display: rockchip: dw-hdmi: Add compatible for rk3568 HDMI Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 06/18] dt-bindings: display: rockchip: dw-hdmi: Make unwedge pinctrl optional Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-15 16:27   ` Rob Herring
2021-12-15 16:27     ` Rob Herring
2021-12-15 16:27     ` Rob Herring
2021-12-15 16:27     ` Rob Herring
2021-12-08 15:12 ` [PATCH 07/18] dt-bindings: display: rockchip: dw-hdmi: Allow "ref" as clock name Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-12 22:09   ` Heiko Stuebner
2021-12-12 22:09     ` Heiko Stuebner
2021-12-12 22:09     ` Heiko Stuebner
2021-12-12 22:09     ` Heiko Stuebner
2021-12-13 11:08     ` Sascha Hauer
2021-12-13 11:08       ` Sascha Hauer
2021-12-13 11:08       ` Sascha Hauer
2021-12-13 11:08       ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 08/18] dt-bindings: display: rockchip: dw-hdmi: Add regulator support Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 16:35   ` Robin Murphy
2021-12-08 16:35     ` Robin Murphy
2021-12-08 16:35     ` Robin Murphy
2021-12-08 16:35     ` Robin Murphy
2021-12-08 15:12 ` [PATCH 09/18] arm64: dts: rockchip: rk3399: reorder hmdi clocks Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 10/18] dt-bindings: display: rockchip: Add binding for VOP2 Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-15 16:38   ` Rob Herring
2021-12-15 16:38     ` Rob Herring
2021-12-15 16:38     ` Rob Herring
2021-12-15 16:38     ` Rob Herring
2021-12-08 15:12 ` [PATCH 11/18] arm64: dts: rockchip: rk356x: Add VOP2 nodes Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 12/18] arm64: dts: rockchip: rk356x: Add HDMI nodes Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 13/18] arm64: dts: rockchip: rk3568-evb: Enable VOP2 and hdmi Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 17:30   ` Johan Jonker
2021-12-08 17:30     ` Johan Jonker
2021-12-08 17:30     ` Johan Jonker
2021-12-08 17:30     ` Johan Jonker
2021-12-08 15:12 ` [PATCH 14/18] arm64: dts: rockchip: enable vop2 and hdmi tx on quartz64a Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 15/18] drm/encoder: Add of_graph port to struct drm_encoder Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 16/18] drm/rockchip: Make VOP driver optional Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12 ` [PATCH 17/18] drm: rockchip: Add VOP2 driver Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 16:59   ` Johan Jonker
2021-12-08 16:59     ` Johan Jonker
2021-12-08 16:59     ` Johan Jonker
2021-12-08 16:59     ` Johan Jonker
2021-12-10  8:55     ` Sascha Hauer
2021-12-10  8:55       ` Sascha Hauer
2021-12-10  8:55       ` Sascha Hauer
2021-12-10  8:55       ` Sascha Hauer
2021-12-08 21:50   ` kernel test robot
2021-12-08 21:50     ` kernel test robot
2021-12-08 21:50     ` kernel test robot
2021-12-08 21:50     ` kernel test robot
2021-12-09  0:49   ` kernel test robot
2021-12-09  0:49     ` kernel test robot
2021-12-09  0:49     ` kernel test robot
2021-12-09  0:49     ` kernel test robot
2021-12-08 15:12 ` [PATCH 18/18] [HACK, RFC] clk: rk3568: do not divide dclk_vop0 Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 15:12   ` Sascha Hauer
2021-12-08 16:51   ` Heiko Stübner
2021-12-08 16:51     ` Heiko Stübner
2021-12-08 16:51     ` Heiko Stübner
2021-12-08 16:51     ` Heiko Stübner
2021-12-10  8:51     ` Sascha Hauer
2021-12-10  8:51       ` Sascha Hauer
2021-12-10  8:51       ` Sascha Hauer
2021-12-10  8:51       ` Sascha Hauer

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