[PATCH v4 08/23] drm/tegra: Provide ddc symlink in output connector sysfs directory

From: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
To: dri-devel@lists.freedesktop.org
Cc: "Y.C. Chen" <yc_chen@aspeedtech.com>,
	"Heiko Stübner" <heiko@sntech.de>,
	"Sam Ravnborg" <sam@ravnborg.org>,
	"Neil Armstrong" <narmstrong@baylibre.com>,
	"Maxime Ripard" <maxime.ripard@bootlin.com>,
	"Douglas Anderson" <dianders@chromium.org>,
	"Andrzej Hajda" <a.hajda@samsung.com>,
	"Laurent Pinchart" <Laurent.pinchart@ideasonboard.com>,
	"Benjamin Gaignard" <benjamin.gaignard@linaro.org>,
	kernel@collabora.com, "Fabio Estevam" <festevam@gmail.com>,
	"David (ChunMing) Zhou" <David1.Zhou@amd.com>,
	linux-samsung-soc@vger.kernel.org,
	"Joonyoung Shim" <jy0922.shim@samsung.com>,
	linux-rockchip@lists.infradead.org,
	"Vincent Abriou" <vincent.abriou@st.com>,
	"Krzysztof Kozlowski" <krzk@kernel.org>,
	"Jonathan Hunter" <jonathanh@nvidia.com>,
	"David Airlie" <airlied@linux.ie>, "Chen-Yu Tsai" <wens@csie.org>,
	"Kukjin Kim" <kgene@kernel.org>,
	"NXP Linux Team" <linux-imx@nxp.com>, "CK Hu" <ck.hu@mediatek.>
Subject: [PATCH v4 08/23] drm/tegra: Provide ddc symlink in output connector sysfs directory
Date: Thu, 11 Jul 2019 13:26:35 +0200	[thread overview]
Message-ID: <3cdef66e1360570b48d7b74b512262f4081037e3.1562843413.git.andrzej.p@collabora.com> (raw)
In-Reply-To: <cover.1562843413.git.andrzej.p@collabora.com>
In-Reply-To: <cover.1562843413.git.andrzej.p@collabora.com>

Use the ddc pointer provided by the generic connector.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
---
 drivers/gpu/drm/tegra/drm.h    |  1 -
 drivers/gpu/drm/tegra/output.c | 12 ++++++------
 drivers/gpu/drm/tegra/sor.c    |  6 +++---
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
index 86daa19fcf24..9bf72bcd3ec1 100644
--- a/drivers/gpu/drm/tegra/drm.h
+++ b/drivers/gpu/drm/tegra/drm.h
@@ -120,7 +120,6 @@ struct tegra_output {
 	struct device *dev;
 
 	struct drm_panel *panel;
-	struct i2c_adapter *ddc;
 	const struct edid *edid;
 	struct cec_notifier *cec;
 	unsigned int hpd_irq;
diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index 274cb955e2e1..0b5037a29c63 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -30,8 +30,8 @@ int tegra_output_connector_get_modes(struct drm_connector *connector)
 
 	if (output->edid)
 		edid = kmemdup(output->edid, sizeof(*edid), GFP_KERNEL);
-	else if (output->ddc)
-		edid = drm_get_edid(connector, output->ddc);
+	else if (connector->ddc)
+		edid = drm_get_edid(connector, connector->ddc);
 
 	cec_notifier_set_phys_addr_from_edid(output->cec, edid);
 	drm_connector_update_edid_property(connector, edid);
@@ -111,8 +111,8 @@ int tegra_output_probe(struct tegra_output *output)
 
 	ddc = of_parse_phandle(output->of_node, "nvidia,ddc-i2c-bus", 0);
 	if (ddc) {
-		output->ddc = of_find_i2c_adapter_by_node(ddc);
-		if (!output->ddc) {
+		output->connector.ddc = of_find_i2c_adapter_by_node(ddc);
+		if (!output->connector.ddc) {
 			err = -EPROBE_DEFER;
 			of_node_put(ddc);
 			return err;
@@ -174,8 +174,8 @@ void tegra_output_remove(struct tegra_output *output)
 	if (output->hpd_gpio)
 		free_irq(output->hpd_irq, output);
 
-	if (output->ddc)
-		put_device(&output->ddc->dev);
+	if (output->connector.ddc)
+		put_device(&output->connector.ddc->dev);
 }
 
 int tegra_output_init(struct drm_device *drm, struct tegra_output *output)
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index 4ffe3794e6d3..77e61f98de07 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -2311,7 +2311,7 @@ static void tegra_sor_hdmi_disable_scrambling(struct tegra_sor *sor)
 
 static void tegra_sor_hdmi_scdc_disable(struct tegra_sor *sor)
 {
-	struct i2c_adapter *ddc = sor->output.ddc;
+	struct i2c_adapter *ddc = sor->output.connector.ddc;
 
 	drm_scdc_set_high_tmds_clock_ratio(ddc, false);
 	drm_scdc_set_scrambling(ddc, false);
@@ -2339,7 +2339,7 @@ static void tegra_sor_hdmi_enable_scrambling(struct tegra_sor *sor)
 
 static void tegra_sor_hdmi_scdc_enable(struct tegra_sor *sor)
 {
-	struct i2c_adapter *ddc = sor->output.ddc;
+	struct i2c_adapter *ddc = sor->output.connector.ddc;
 
 	drm_scdc_set_high_tmds_clock_ratio(ddc, true);
 	drm_scdc_set_scrambling(ddc, true);
@@ -2350,7 +2350,7 @@ static void tegra_sor_hdmi_scdc_enable(struct tegra_sor *sor)
 static void tegra_sor_hdmi_scdc_work(struct work_struct *work)
 {
 	struct tegra_sor *sor = container_of(work, struct tegra_sor, scdc.work);
-	struct i2c_adapter *ddc = sor->output.ddc;
+	struct i2c_adapter *ddc = sor->output.connector.ddc;
 
 	if (!drm_scdc_get_scrambling_status(ddc)) {
 		DRM_DEBUG_KMS("SCDC not scrambled\n");
-- 
2.17.1

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