linux-kernel - [PATCH 2/2] drm/exynos: Provide ddc symlink in connector's sysfs

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Date:   Tue, 25 Jun 2019 11:46:36 +0200
From:   Andrzej Pietrasiewicz <andrzej.p@...labora.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     kernel@...labora.com, m.szyprowski@...sung.com,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Inki Dae <inki.dae@...sung.com>,
        Joonyoung Shim <jy0922.shim@...sung.com>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: [PATCH 2/2] drm/exynos: Provide ddc symlink in connector's sysfs

Switch to using the ddc provided by the generic connector.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
---
 drivers/gpu/drm/exynos/exynos_hdmi.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 894a99793633..6816e37861b7 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -126,7 +126,6 @@ struct hdmi_context {
 	void __iomem			*regs;
 	void __iomem			*regs_hdmiphy;
 	struct i2c_client		*hdmiphy_port;
-	struct i2c_adapter		*ddc_adpt;
 	struct gpio_desc		*hpd_gpio;
 	int				irq;
 	struct regmap			*pmureg;
@@ -872,10 +871,10 @@ static int hdmi_get_modes(struct drm_connector *connector)
 	struct edid *edid;
 	int ret;
 
-	if (!hdata->ddc_adpt)
+	if (!connector->ddc)
 		return -ENODEV;
 
-	edid = drm_get_edid(connector, hdata->ddc_adpt);
+	edid = drm_get_edid(connector, connector->ddc);
 	if (!edid)
 		return -ENODEV;
 
@@ -1893,7 +1892,7 @@ static int hdmi_get_ddc_adapter(struct hdmi_context *hdata)
 		return -EPROBE_DEFER;
 	}
 
-	hdata->ddc_adpt = adpt;
+	hdata->connector.ddc = adpt;
 
 	return 0;
 }
@@ -2045,7 +2044,7 @@ static int hdmi_probe(struct platform_device *pdev)
 	if (hdata->regs_hdmiphy)
 		iounmap(hdata->regs_hdmiphy);
 err_ddc:
-	put_device(&hdata->ddc_adpt->dev);
+	put_device(&hdata->connector.ddc->dev);
 
 	return ret;
 }
@@ -2072,7 +2071,7 @@ static int hdmi_remove(struct platform_device *pdev)
 	if (hdata->regs_hdmiphy)
 		iounmap(hdata->regs_hdmiphy);
 
-	put_device(&hdata->ddc_adpt->dev);
+	put_device(&hdata->connector.ddc->dev);
 
 	mutex_destroy(&hdata->mutex);
 
-- 
2.17.1