[PATCH 08/16] drm/exynos: use exynos_dsi as drvdata

[Michael Tretter <m.tretter@xxxxxxxxxxxxxx>]

Use the exynos_dsi as drvdata instead of the encoder to further decouple
the driver from the encoder.

Signed-off-by: Michael Tretter <m.tretter@xxxxxxxxxxxxxx>
---
 drivers/gpu/drm/exynos/exynos_drm_dsi.c | 23 +++++++----------------
 1 file changed, 7 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 51ec37304a69..2e8142464b74 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -290,11 +290,6 @@ struct exynos_dsi {
 #define host_to_dsi(host) container_of(host, struct exynos_dsi, dsi_host)
 #define connector_to_dsi(c) container_of(c, struct exynos_dsi, connector)
 
-static inline struct exynos_dsi *encoder_to_dsi(struct drm_encoder *e)
-{
-	return container_of(e, struct exynos_dsi, encoder);
-}
-
 enum reg_idx {
 	DSIM_STATUS_REG,	/* Status register */
 	DSIM_SWRST_REG,		/* Software reset register */
@@ -1738,8 +1733,8 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
 static int exynos_dsi_bind(struct device *dev, struct device *master,
 				void *data)
 {
-	struct drm_encoder *encoder = dev_get_drvdata(dev);
-	struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+	struct exynos_dsi *dsi = dev_get_drvdata(dev);
+	struct drm_encoder *encoder = &dsi->encoder;
 	struct drm_device *drm_dev = data;
 	struct device_node *in_bridge_node;
 	struct drm_bridge *in_bridge;
@@ -1769,8 +1764,7 @@ static int exynos_dsi_bind(struct device *dev, struct device *master,
 static void exynos_dsi_unbind(struct device *dev, struct device *master,
 				void *data)
 {
-	struct drm_encoder *encoder = dev_get_drvdata(dev);
-	struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+	struct exynos_dsi *dsi = dev_get_drvdata(dev);
 
 	exynos_dsi_disable(dsi);
 
@@ -1896,15 +1890,14 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 	dsi = __exynos_dsi_probe(pdev);
 	if (IS_ERR(dsi))
 		return PTR_ERR(dsi);
-	platform_set_drvdata(pdev, &dsi->encoder);
+	platform_set_drvdata(pdev, dsi);
 
 	return component_add(&pdev->dev, &exynos_dsi_component_ops);
 }
 
 static int exynos_dsi_remove(struct platform_device *pdev)
 {
-	struct drm_encoder *encoder = platform_get_drvdata(pdev);
-	struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+	struct exynos_dsi *dsi = platform_get_drvdata(pdev);
 
 	__exynos_dsi_remove(dsi);
 
@@ -1915,8 +1908,7 @@ static int exynos_dsi_remove(struct platform_device *pdev)
 
 static int __maybe_unused exynos_dsi_suspend(struct device *dev)
 {
-	struct drm_encoder *encoder = dev_get_drvdata(dev);
-	struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+	struct exynos_dsi *dsi = dev_get_drvdata(dev);
 	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 	int ret, i;
 
@@ -1946,8 +1938,7 @@ static int __maybe_unused exynos_dsi_suspend(struct device *dev)
 
 static int __maybe_unused exynos_dsi_resume(struct device *dev)
 {
-	struct drm_encoder *encoder = dev_get_drvdata(dev);
-	struct exynos_dsi *dsi = encoder_to_dsi(encoder);
+	struct exynos_dsi *dsi = dev_get_drvdata(dev);
 	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 	int ret, i;
 
-- 
2.20.1