drm/hisilicon/hibmc: refactored struct hibmc_drm_private

Refactored struct hibmc_drm_private to separate VGA module from
generic struct.

Signed-off-by: Baihan Li <[email protected]>
Signed-off-by: Yongbang Shi <[email protected]>
Reviewed-by: Dmitry Baryshkov <[email protected]>
Reviewed-by: Tian Tao <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Dmitry Baryshkov <[email protected]>

Author: Baihan Li

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h

@@ -20,9 +20,10 @@
 
 #include <drm/drm_framebuffer.h>
 
-struct hibmc_connector {
-	struct drm_connector base;
-
+struct hibmc_vdac {
+	struct drm_device *dev;
+	struct drm_encoder encoder;
+	struct drm_connector connector;
 	struct i2c_adapter adapter;
 	struct i2c_algo_bit_data bit_data;
 };
@@ -35,13 +36,12 @@ struct hibmc_drm_private {
 	struct drm_device dev;
 	struct drm_plane primary_plane;
 	struct drm_crtc crtc;
-	struct drm_encoder encoder;
-	struct hibmc_connector connector;
+	struct hibmc_vdac vdac;
 };
 
-static inline struct hibmc_connector *to_hibmc_connector(struct drm_connector *connector)
+static inline struct hibmc_vdac *to_hibmc_vdac(struct drm_connector *connector)
 {
-	return container_of(connector, struct hibmc_connector, base);
+	return container_of(connector, struct hibmc_vdac, connector);
 }
 
 static inline struct hibmc_drm_private *to_hibmc_drm_private(struct drm_device *dev)
@@ -57,6 +57,6 @@ void hibmc_set_current_gate(struct hibmc_drm_private *priv,
 int hibmc_de_init(struct hibmc_drm_private *priv);
 int hibmc_vdac_init(struct hibmc_drm_private *priv);
 
-int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_connector *connector);
+int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_vdac *connector);
 
 #endif

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c

@@ -25,8 +25,8 @@
 
 static void hibmc_set_i2c_signal(void *data, u32 mask, int value)
 {
-	struct hibmc_connector *hibmc_connector = data;
-	struct hibmc_drm_private *priv = to_hibmc_drm_private(hibmc_connector->base.dev);
+	struct hibmc_vdac *vdac = data;
+	struct hibmc_drm_private *priv = to_hibmc_drm_private(vdac->connector.dev);
 	u32 tmp_dir = readl(priv->mmio + GPIO_DATA_DIRECTION);
 
 	if (value) {
@@ -45,8 +45,8 @@ static void hibmc_set_i2c_signal(void *data, u32 mask, int value)
 
 static int hibmc_get_i2c_signal(void *data, u32 mask)
 {
-	struct hibmc_connector *hibmc_connector = data;
-	struct hibmc_drm_private *priv = to_hibmc_drm_private(hibmc_connector->base.dev);
+	struct hibmc_vdac *vdac = data;
+	struct hibmc_drm_private *priv = to_hibmc_drm_private(vdac->connector.dev);
 	u32 tmp_dir = readl(priv->mmio + GPIO_DATA_DIRECTION);
 
 	if ((tmp_dir & mask) != mask) {
@@ -77,22 +77,21 @@ static int hibmc_ddc_getscl(void *data)
 	return hibmc_get_i2c_signal(data, I2C_SCL_MASK);
 }
 
-int hibmc_ddc_create(struct drm_device *drm_dev,
-		     struct hibmc_connector *connector)
+int hibmc_ddc_create(struct drm_device *drm_dev, struct hibmc_vdac *vdac)
 {
-	connector->adapter.owner = THIS_MODULE;
-	snprintf(connector->adapter.name, I2C_NAME_SIZE, "HIS i2c bit bus");
-	connector->adapter.dev.parent = drm_dev->dev;
-	i2c_set_adapdata(&connector->adapter, connector);
-	connector->adapter.algo_data = &connector->bit_data;
-
-	connector->bit_data.udelay = 20;
-	connector->bit_data.timeout = usecs_to_jiffies(2000);
-	connector->bit_data.data = connector;
-	connector->bit_data.setsda = hibmc_ddc_setsda;
-	connector->bit_data.setscl = hibmc_ddc_setscl;
-	connector->bit_data.getsda = hibmc_ddc_getsda;
-	connector->bit_data.getscl = hibmc_ddc_getscl;
-
-	return i2c_bit_add_bus(&connector->adapter);
+	vdac->adapter.owner = THIS_MODULE;
+	snprintf(vdac->adapter.name, I2C_NAME_SIZE, "HIS i2c bit bus");
+	vdac->adapter.dev.parent = drm_dev->dev;
+	i2c_set_adapdata(&vdac->adapter, vdac);
+	vdac->adapter.algo_data = &vdac->bit_data;
+
+	vdac->bit_data.udelay = 20;
+	vdac->bit_data.timeout = usecs_to_jiffies(2000);
+	vdac->bit_data.data = vdac;
+	vdac->bit_data.setsda = hibmc_ddc_setsda;
+	vdac->bit_data.setscl = hibmc_ddc_setscl;
+	vdac->bit_data.getsda = hibmc_ddc_getsda;
+	vdac->bit_data.getscl = hibmc_ddc_getscl;
+
+	return i2c_bit_add_bus(&vdac->adapter);
 }

drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c

@@ -24,11 +24,11 @@
 
 static int hibmc_connector_get_modes(struct drm_connector *connector)
 {
-	struct hibmc_connector *hibmc_connector = to_hibmc_connector(connector);
+	struct hibmc_vdac *vdac = to_hibmc_vdac(connector);
 	const struct drm_edid *drm_edid;
 	int count;
 
-	drm_edid = drm_edid_read_ddc(connector, &hibmc_connector->adapter);
+	drm_edid = drm_edid_read_ddc(connector, &vdac->adapter);
 
 	drm_edid_connector_update(connector, drm_edid);
 
@@ -51,9 +51,9 @@ static int hibmc_connector_get_modes(struct drm_connector *connector)
 
 static void hibmc_connector_destroy(struct drm_connector *connector)
 {
-	struct hibmc_connector *hibmc_connector = to_hibmc_connector(connector);
+	struct hibmc_vdac *vdac = to_hibmc_vdac(connector);
 
-	i2c_del_adapter(&hibmc_connector->adapter);
+	i2c_del_adapter(&vdac->adapter);
 	drm_connector_cleanup(connector);
 }
 
@@ -93,20 +93,20 @@ static const struct drm_encoder_helper_funcs hibmc_encoder_helper_funcs = {
 int hibmc_vdac_init(struct hibmc_drm_private *priv)
 {
 	struct drm_device *dev = &priv->dev;
-	struct hibmc_connector *hibmc_connector = &priv->connector;
-	struct drm_encoder *encoder = &priv->encoder;
+	struct hibmc_vdac *vdac = &priv->vdac;
+	struct drm_encoder *encoder = &vdac->encoder;
 	struct drm_crtc *crtc = &priv->crtc;
-	struct drm_connector *connector = &hibmc_connector->base;
+	struct drm_connector *connector = &vdac->connector;
 	int ret;
 
-	ret = hibmc_ddc_create(dev, hibmc_connector);
+	ret = hibmc_ddc_create(dev, vdac);
 	if (ret) {
 		drm_err(dev, "failed to create ddc: %d\n", ret);
 		return ret;
 	}
 
 	encoder->possible_crtcs = drm_crtc_mask(crtc);
-	ret = drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_DAC);
+	ret = drmm_encoder_init(dev, encoder, NULL, DRM_MODE_ENCODER_DAC, NULL);
 	if (ret) {
 		drm_err(dev, "failed to init encoder: %d\n", ret);
 		return ret;
@@ -117,7 +117,7 @@ int hibmc_vdac_init(struct hibmc_drm_private *priv)
 	ret = drm_connector_init_with_ddc(dev, connector,
 					  &hibmc_connector_funcs,
 					  DRM_MODE_CONNECTOR_VGA,
-					  &hibmc_connector->adapter);
+					  &vdac->adapter);
 	if (ret) {
 		drm_err(dev, "failed to init connector: %d\n", ret);
 		return ret;