diff mbox series

[v5,02/23] drm/rockchip: dw_hdmi: Do not leave clock enabled in error case

Message ID 20220209095350.2104049-3-s.hauer@pengutronix.de (mailing list archive)
State New, archived
Headers show
Series drm/rockchip: RK356x VOP2 support | expand

Commit Message

Sascha Hauer Feb. 9, 2022, 9:53 a.m. UTC
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(-)

Comments

Heiko Stübner Feb. 9, 2022, 10:03 a.m. UTC | #1
Am Mittwoch, 9. Februar 2022, 10:53:29 CET schrieb Sascha Hauer:
> 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>

just a note for me, already applied to drm-misc-fixes:
https://cgit.freedesktop.org/drm/drm-misc/commit/?h=drm-misc-fixes&id=c0cfbb122275da1b726481de5a8cffeb24e6322b

> ---
>  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 830bdd5e9b7c..8677c8271678 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);
>  
>
diff mbox series

Patch

diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 830bdd5e9b7c..8677c8271678 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);