drm/i915: Subclass intel_encoder.

Subclass intel_encoder to reduce the pointer dance through
intel_encoder->dev_priv.

10 files changed, 896 insertions(+), 997 deletions(-)

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>

drivers/gpu/drm/i915/dvo.h

@@ -30,20 +30,17 @@
 #include "intel_drv.h"
 
 struct intel_dvo_device {
-	char *name;
+	const char *name;
 	int type;
 	/* DVOA/B/C output register */
 	u32 dvo_reg;
 	/* GPIO register used for i2c bus to control this device */
 	u32 gpio;
 	int slave_addr;
-	struct i2c_adapter *i2c_bus;
 
 	const struct intel_dvo_dev_ops *dev_ops;
 	void *dev_priv;
-
-	struct drm_display_mode *panel_fixed_mode;
-	bool panel_wants_dither;
+	struct i2c_adapter *i2c_bus;
 };
 
 struct intel_dvo_dev_ops {

drivers/gpu/drm/i915/intel_crt.c

@@ -508,17 +508,8 @@ static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs
 	.best_encoder = intel_attached_encoder,
 };
 
-static void intel_crt_enc_destroy(struct drm_encoder *encoder)
-{
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
-	intel_i2c_destroy(intel_encoder->ddc_bus);
-	drm_encoder_cleanup(encoder);
-	kfree(intel_encoder);
-}
-
 static const struct drm_encoder_funcs intel_crt_enc_funcs = {
-	.destroy = intel_crt_enc_destroy,
+	.destroy = intel_encoder_destroy,
 };
 
 void intel_crt_init(struct drm_device *dev)

drivers/gpu/drm/i915/intel_display.c

@@ -2537,6 +2537,20 @@ void intel_encoder_commit (struct drm_encoder *encoder)
 	encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
 }
 
+void intel_encoder_destroy(struct drm_encoder *encoder)
+{
+	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+
+	if (intel_encoder->ddc_bus)
+		intel_i2c_destroy(intel_encoder->ddc_bus);
+
+	if (intel_encoder->i2c_bus)
+		intel_i2c_destroy(intel_encoder->i2c_bus);
+
+	drm_encoder_cleanup(encoder);
+	kfree(intel_encoder);
+}
+
 static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
 				  struct drm_display_mode *mode,
 				  struct drm_display_mode *adjusted_mode)

drivers/gpu/drm/i915/intel_dp.c

@@ -42,10 +42,11 @@
 
 #define DP_LINK_CONFIGURATION_SIZE	9
 
-#define IS_eDP(i) ((i)->type == INTEL_OUTPUT_EDP)
-#define IS_PCH_eDP(dp_priv) ((dp_priv)->is_pch_edp)
+#define IS_eDP(i) ((i)->base.type == INTEL_OUTPUT_EDP)
+#define IS_PCH_eDP(i) ((i)->is_pch_edp)
 
-struct intel_dp_priv {
+struct intel_dp {
+	struct intel_encoder base;
 	uint32_t output_reg;
 	uint32_t DP;
 	uint8_t  link_configuration[DP_LINK_CONFIGURATION_SIZE];
@@ -54,40 +55,39 @@ struct intel_dp_priv {
 	uint8_t link_bw;
 	uint8_t lane_count;
 	uint8_t dpcd[4];
-	struct intel_encoder *intel_encoder;
 	struct i2c_adapter adapter;
 	struct i2c_algo_dp_aux_data algo;
 	bool is_pch_edp;
 };
 
-static void
-intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
-		    uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE]);
+static struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder)
+{
+	return container_of(enc_to_intel_encoder(encoder), struct intel_dp, base);
+}
 
-static void
-intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP);
+static void intel_dp_link_train(struct intel_dp *intel_dp);
+static void intel_dp_link_down(struct intel_dp *intel_dp);
 
 void
 intel_edp_link_config (struct intel_encoder *intel_encoder,
-		int *lane_num, int *link_bw)
+		       int *lane_num, int *link_bw)
 {
-	struct intel_dp_priv   *dp_priv = intel_encoder->dev_priv;
+	struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base);
 
-	*lane_num = dp_priv->lane_count;
-	if (dp_priv->link_bw == DP_LINK_BW_1_62)
+	*lane_num = intel_dp->lane_count;
+	if (intel_dp->link_bw == DP_LINK_BW_1_62)
 		*link_bw = 162000;
-	else if (dp_priv->link_bw == DP_LINK_BW_2_7)
+	else if (intel_dp->link_bw == DP_LINK_BW_2_7)
 		*link_bw = 270000;
 }
 
 static int
-intel_dp_max_lane_count(struct intel_encoder *intel_encoder)
+intel_dp_max_lane_count(struct intel_dp *intel_dp)
 {
-	struct intel_dp_priv   *dp_priv = intel_encoder->dev_priv;
 	int max_lane_count = 4;
 
-	if (dp_priv->dpcd[0] >= 0x11) {
-		max_lane_count = dp_priv->dpcd[2] & 0x1f;
+	if (intel_dp->dpcd[0] >= 0x11) {
+		max_lane_count = intel_dp->dpcd[2] & 0x1f;
 		switch (max_lane_count) {
 		case 1: case 2: case 4:
 			break;
@@ -99,10 +99,9 @@ intel_dp_max_lane_count(struct intel_encoder *intel_encoder)
 }
 
 static int
-intel_dp_max_link_bw(struct intel_encoder *intel_encoder)
+intel_dp_max_link_bw(struct intel_dp *intel_dp)
 {
-	struct intel_dp_priv   *dp_priv = intel_encoder->dev_priv;
-	int max_link_bw = dp_priv->dpcd[1];
+	int max_link_bw = intel_dp->dpcd[1];
 
 	switch (max_link_bw) {
 	case DP_LINK_BW_1_62:
@@ -126,13 +125,11 @@ intel_dp_link_clock(uint8_t link_bw)
 
 /* I think this is a fiction */
 static int
-intel_dp_link_required(struct drm_device *dev,
-		       struct intel_encoder *intel_encoder, int pixel_clock)
+intel_dp_link_required(struct drm_device *dev, struct intel_dp *intel_dp, int pixel_clock)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 
-	if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv))
+	if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp))
 		return (pixel_clock * dev_priv->edp_bpp) / 8;
 	else
 		return pixel_clock * 3;
@@ -149,14 +146,13 @@ intel_dp_mode_valid(struct drm_connector *connector,
 		    struct drm_display_mode *mode)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_device *dev = connector->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_encoder));
-	int max_lanes = intel_dp_max_lane_count(intel_encoder);
+	int max_link_clock = intel_dp_link_clock(intel_dp_max_link_bw(intel_dp));
+	int max_lanes = intel_dp_max_lane_count(intel_dp);
 
-	if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) &&
+	if ((IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) &&
 	    dev_priv->panel_fixed_mode) {
 		if (mode->hdisplay > dev_priv->panel_fixed_mode->hdisplay)
 			return MODE_PANEL;
@@ -167,8 +163,8 @@ intel_dp_mode_valid(struct drm_connector *connector,
 
 	/* only refuse the mode on non eDP since we have seen some wierd eDP panels
 	   which are outside spec tolerances but somehow work by magic */
-	if (!IS_eDP(intel_encoder) &&
-	    (intel_dp_link_required(connector->dev, intel_encoder, mode->clock)
+	if (!IS_eDP(intel_dp) &&
+	    (intel_dp_link_required(connector->dev, intel_dp, mode->clock)
 	     > intel_dp_max_data_rate(max_link_clock, max_lanes)))
 		return MODE_CLOCK_HIGH;
 
@@ -232,13 +228,12 @@ intel_hrawclk(struct drm_device *dev)
 }
 
 static int
-intel_dp_aux_ch(struct intel_encoder *intel_encoder,
+intel_dp_aux_ch(struct intel_dp *intel_dp,
 		uint8_t *send, int send_bytes,
 		uint8_t *recv, int recv_size)
 {
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
-	uint32_t output_reg = dp_priv->output_reg;
-	struct drm_device *dev = intel_encoder->enc.dev;
+	uint32_t output_reg = intel_dp->output_reg;
+	struct drm_device *dev = intel_dp->base.enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	uint32_t ch_ctl = output_reg + 0x10;
 	uint32_t ch_data = ch_ctl + 4;
@@ -253,7 +248,7 @@ intel_dp_aux_ch(struct intel_encoder *intel_encoder,
 	 * and would like to run at 2MHz. So, take the
 	 * hrawclk value and divide by 2 and use that
 	 */
-	if (IS_eDP(intel_encoder)) {
+	if (IS_eDP(intel_dp)) {
 		if (IS_GEN6(dev))
 			aux_clock_divider = 200; /* SNB eDP input clock at 400Mhz */
 		else
@@ -344,7 +339,7 @@ intel_dp_aux_ch(struct intel_encoder *intel_encoder,
 
 /* Write data to the aux channel in native mode */
 static int
-intel_dp_aux_native_write(struct intel_encoder *intel_encoder,
+intel_dp_aux_native_write(struct intel_dp *intel_dp,
 			  uint16_t address, uint8_t *send, int send_bytes)
 {
 	int ret;
@@ -361,7 +356,7 @@ intel_dp_aux_native_write(struct intel_encoder *intel_encoder,
 	memcpy(&msg[4], send, send_bytes);
 	msg_bytes = send_bytes + 4;
 	for (;;) {
-		ret = intel_dp_aux_ch(intel_encoder, msg, msg_bytes, &ack, 1);
+		ret = intel_dp_aux_ch(intel_dp, msg, msg_bytes, &ack, 1);
 		if (ret < 0)
 			return ret;
 		if ((ack & AUX_NATIVE_REPLY_MASK) == AUX_NATIVE_REPLY_ACK)
@@ -376,15 +371,15 @@ intel_dp_aux_native_write(struct intel_encoder *intel_encoder,
 
 /* Write a single byte to the aux channel in native mode */
 static int
-intel_dp_aux_native_write_1(struct intel_encoder *intel_encoder,
+intel_dp_aux_native_write_1(struct intel_dp *intel_dp,
 			    uint16_t address, uint8_t byte)
 {
-	return intel_dp_aux_native_write(intel_encoder, address, &byte, 1);
+	return intel_dp_aux_native_write(intel_dp, address, &byte, 1);
 }
 
 /* read bytes from a native aux channel */
 static int
-intel_dp_aux_native_read(struct intel_encoder *intel_encoder,
+intel_dp_aux_native_read(struct intel_dp *intel_dp,
 			 uint16_t address, uint8_t *recv, int recv_bytes)
 {
 	uint8_t msg[4];
@@ -403,7 +398,7 @@ intel_dp_aux_native_read(struct intel_encoder *intel_encoder,
 	reply_bytes = recv_bytes + 1;
 
 	for (;;) {
-		ret = intel_dp_aux_ch(intel_encoder, msg, msg_bytes,
+		ret = intel_dp_aux_ch(intel_dp, msg, msg_bytes,
 				      reply, reply_bytes);
 		if (ret == 0)
 			return -EPROTO;
@@ -426,10 +421,9 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
 		    uint8_t write_byte, uint8_t *read_byte)
 {
 	struct i2c_algo_dp_aux_data *algo_data = adapter->algo_data;
-	struct intel_dp_priv *dp_priv = container_of(adapter,
-						     struct intel_dp_priv,
-						     adapter);
-	struct intel_encoder *intel_encoder = dp_priv->intel_encoder;
+	struct intel_dp *intel_dp = container_of(adapter,
+						struct intel_dp,
+						adapter);
 	uint16_t address = algo_data->address;
 	uint8_t msg[5];
 	uint8_t reply[2];
@@ -468,7 +462,7 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
 	}
 
 	for (;;) {
-	  ret = intel_dp_aux_ch(intel_encoder,
+	  ret = intel_dp_aux_ch(intel_dp,
 				msg, msg_bytes,
 				reply, reply_bytes);
 		if (ret < 0) {
@@ -496,41 +490,38 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
 }
 
 static int
-intel_dp_i2c_init(struct intel_encoder *intel_encoder,
+intel_dp_i2c_init(struct intel_dp *intel_dp,
 		  struct intel_connector *intel_connector, const char *name)
 {
-	struct intel_dp_priv   *dp_priv = intel_encoder->dev_priv;
-
 	DRM_DEBUG_KMS("i2c_init %s\n", name);
-	dp_priv->algo.running = false;
-	dp_priv->algo.address = 0;
-	dp_priv->algo.aux_ch = intel_dp_i2c_aux_ch;
-
-	memset(&dp_priv->adapter, '\0', sizeof (dp_priv->adapter));
-	dp_priv->adapter.owner = THIS_MODULE;
-	dp_priv->adapter.class = I2C_CLASS_DDC;
-	strncpy (dp_priv->adapter.name, name, sizeof(dp_priv->adapter.name) - 1);
-	dp_priv->adapter.name[sizeof(dp_priv->adapter.name) - 1] = '\0';
-	dp_priv->adapter.algo_data = &dp_priv->algo;
-	dp_priv->adapter.dev.parent = &intel_connector->base.kdev;
-	
-	return i2c_dp_aux_add_bus(&dp_priv->adapter);
+	intel_dp->algo.running = false;
+	intel_dp->algo.address = 0;
+	intel_dp->algo.aux_ch = intel_dp_i2c_aux_ch;
+
+	memset(&intel_dp->adapter, '\0', sizeof (intel_dp->adapter));
+	intel_dp->adapter.owner = THIS_MODULE;
+	intel_dp->adapter.class = I2C_CLASS_DDC;
+	strncpy (intel_dp->adapter.name, name, sizeof(intel_dp->adapter.name) - 1);
+	intel_dp->adapter.name[sizeof(intel_dp->adapter.name) - 1] = '\0';
+	intel_dp->adapter.algo_data = &intel_dp->algo;
+	intel_dp->adapter.dev.parent = &intel_connector->base.kdev;
+
+	return i2c_dp_aux_add_bus(&intel_dp->adapter);
 }
 
 static bool
 intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		    struct drm_display_mode *adjusted_mode)
 {
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dp_priv   *dp_priv = intel_encoder->dev_priv;
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	int lane_count, clock;
-	int max_lane_count = intel_dp_max_lane_count(intel_encoder);
-	int max_clock = intel_dp_max_link_bw(intel_encoder) == DP_LINK_BW_2_7 ? 1 : 0;
+	int max_lane_count = intel_dp_max_lane_count(intel_dp);
+	int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
 	static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
 
-	if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) &&
+	if ((IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) &&
 	    dev_priv->panel_fixed_mode) {
 		struct drm_display_mode *fixed_mode = dev_priv->panel_fixed_mode;
 
@@ -558,28 +549,28 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		for (clock = 0; clock <= max_clock; clock++) {
 			int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
 
-			if (intel_dp_link_required(encoder->dev, intel_encoder, mode->clock)
+			if (intel_dp_link_required(encoder->dev, intel_dp, mode->clock)
 					<= link_avail) {
-				dp_priv->link_bw = bws[clock];
-				dp_priv->lane_count = lane_count;
-				adjusted_mode->clock = intel_dp_link_clock(dp_priv->link_bw);
+				intel_dp->link_bw = bws[clock];
+				intel_dp->lane_count = lane_count;
+				adjusted_mode->clock = intel_dp_link_clock(intel_dp->link_bw);
 				DRM_DEBUG_KMS("Display port link bw %02x lane "
 						"count %d clock %d\n",
-				       dp_priv->link_bw, dp_priv->lane_count,
+				       intel_dp->link_bw, intel_dp->lane_count,
 				       adjusted_mode->clock);
 				return true;
 			}
 		}
 	}
 
-	if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) {
+	if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) {
 		/* okay we failed just pick the highest */
-		dp_priv->lane_count = max_lane_count;
-		dp_priv->link_bw = bws[max_clock];
-		adjusted_mode->clock = intel_dp_link_clock(dp_priv->link_bw);
+		intel_dp->lane_count = max_lane_count;
+		intel_dp->link_bw = bws[max_clock];
+		adjusted_mode->clock = intel_dp_link_clock(intel_dp->link_bw);
 		DRM_DEBUG_KMS("Force picking display port link bw %02x lane "
 			      "count %d clock %d\n",
-			      dp_priv->link_bw, dp_priv->lane_count,
+			      intel_dp->link_bw, intel_dp->lane_count,
 			      adjusted_mode->clock);
 		return true;
 	}
@@ -626,17 +617,14 @@ bool intel_pch_has_edp(struct drm_crtc *crtc)
 	struct drm_encoder *encoder;
 
 	list_for_each_entry(encoder, &mode_config->encoder_list, head) {
-		struct intel_encoder *intel_encoder;
-		struct intel_dp_priv *dp_priv;
+		struct intel_dp *intel_dp;
 
-		if (!encoder || encoder->crtc != crtc)
+		if (encoder->crtc != crtc)
 			continue;
 
-		intel_encoder = enc_to_intel_encoder(encoder);
-		dp_priv = intel_encoder->dev_priv;
-
-		if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT)
-			return dp_priv->is_pch_edp;
+		intel_dp = enc_to_intel_dp(encoder);
+		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT)
+			return intel_dp->is_pch_edp;
 	}
 	return false;
 }
@@ -657,18 +645,15 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	 * Find the lane count in the intel_encoder private
 	 */
 	list_for_each_entry(encoder, &mode_config->encoder_list, head) {
-		struct intel_encoder *intel_encoder;
-		struct intel_dp_priv *dp_priv;
+		struct intel_dp *intel_dp;
 
 		if (encoder->crtc != crtc)
 			continue;
 
-		intel_encoder = enc_to_intel_encoder(encoder);
-		dp_priv = intel_encoder->dev_priv;
-
-		if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) {
-			lane_count = dp_priv->lane_count;
-			if (IS_PCH_eDP(dp_priv))
+		intel_dp = enc_to_intel_dp(encoder);
+		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT) {
+			lane_count = intel_dp->lane_count;
+			if (IS_PCH_eDP(intel_dp))
 				bpp = dev_priv->edp_bpp;
 			break;
 		}
@@ -724,61 +709,60 @@ intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		  struct drm_display_mode *adjusted_mode)
 {
 	struct drm_device *dev = encoder->dev;
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
-	struct drm_crtc *crtc = intel_encoder->enc.crtc;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	struct drm_crtc *crtc = intel_dp->base.enc.crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
-	dp_priv->DP = (DP_VOLTAGE_0_4 |
+	intel_dp->DP = (DP_VOLTAGE_0_4 |
 		       DP_PRE_EMPHASIS_0);
 
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-		dp_priv->DP |= DP_SYNC_HS_HIGH;
+		intel_dp->DP |= DP_SYNC_HS_HIGH;
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-		dp_priv->DP |= DP_SYNC_VS_HIGH;
+		intel_dp->DP |= DP_SYNC_VS_HIGH;
 
-	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
-		dp_priv->DP |= DP_LINK_TRAIN_OFF_CPT;
+	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_dp))
+		intel_dp->DP |= DP_LINK_TRAIN_OFF_CPT;
 	else
-		dp_priv->DP |= DP_LINK_TRAIN_OFF;
+		intel_dp->DP |= DP_LINK_TRAIN_OFF;
 
-	switch (dp_priv->lane_count) {
+	switch (intel_dp->lane_count) {
 	case 1:
-		dp_priv->DP |= DP_PORT_WIDTH_1;
+		intel_dp->DP |= DP_PORT_WIDTH_1;
 		break;
 	case 2:
-		dp_priv->DP |= DP_PORT_WIDTH_2;
+		intel_dp->DP |= DP_PORT_WIDTH_2;
 		break;
 	case 4:
-		dp_priv->DP |= DP_PORT_WIDTH_4;
+		intel_dp->DP |= DP_PORT_WIDTH_4;
 		break;
 	}
-	if (dp_priv->has_audio)
-		dp_priv->DP |= DP_AUDIO_OUTPUT_ENABLE;
+	if (intel_dp->has_audio)
+		intel_dp->DP |= DP_AUDIO_OUTPUT_ENABLE;
 
-	memset(dp_priv->link_configuration, 0, DP_LINK_CONFIGURATION_SIZE);
-	dp_priv->link_configuration[0] = dp_priv->link_bw;
-	dp_priv->link_configuration[1] = dp_priv->lane_count;
+	memset(intel_dp->link_configuration, 0, DP_LINK_CONFIGURATION_SIZE);
+	intel_dp->link_configuration[0] = intel_dp->link_bw;
+	intel_dp->link_configuration[1] = intel_dp->lane_count;
 
 	/*
 	 * Check for DPCD version > 1.1 and enhanced framing support
 	 */
-	if (dp_priv->dpcd[0] >= 0x11 && (dp_priv->dpcd[2] & DP_ENHANCED_FRAME_CAP)) {
-		dp_priv->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
-		dp_priv->DP |= DP_ENHANCED_FRAMING;
+	if (intel_dp->dpcd[0] >= 0x11 && (intel_dp->dpcd[2] & DP_ENHANCED_FRAME_CAP)) {
+		intel_dp->link_configuration[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
+		intel_dp->DP |= DP_ENHANCED_FRAMING;
 	}
 
 	/* CPT DP's pipe select is decided in TRANS_DP_CTL */
 	if (intel_crtc->pipe == 1 && !HAS_PCH_CPT(dev))
-		dp_priv->DP |= DP_PIPEB_SELECT;
+		intel_dp->DP |= DP_PIPEB_SELECT;
 
-	if (IS_eDP(intel_encoder)) {
+	if (IS_eDP(intel_dp)) {
 		/* don't miss out required setting for eDP */
-		dp_priv->DP |= DP_PLL_ENABLE;
+		intel_dp->DP |= DP_PLL_ENABLE;
 		if (adjusted_mode->clock < 200000)
-			dp_priv->DP |= DP_PLL_FREQ_160MHZ;
+			intel_dp->DP |= DP_PLL_FREQ_160MHZ;
 		else
-			dp_priv->DP |= DP_PLL_FREQ_270MHZ;
+			intel_dp->DP |= DP_PLL_FREQ_270MHZ;
 	}
 }
 
@@ -852,30 +836,29 @@ static void ironlake_edp_backlight_off (struct drm_device *dev)
 static void
 intel_dp_dpms(struct drm_encoder *encoder, int mode)
 {
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	uint32_t dp_reg = I915_READ(dp_priv->output_reg);
+	uint32_t dp_reg = I915_READ(intel_dp->output_reg);
 
 	if (mode != DRM_MODE_DPMS_ON) {
 		if (dp_reg & DP_PORT_EN) {
-			intel_dp_link_down(intel_encoder, dp_priv->DP);
-			if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) {
+			intel_dp_link_down(intel_dp);
+			if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) {
 				ironlake_edp_backlight_off(dev);
 				ironlake_edp_panel_off(dev);
 			}
 		}
 	} else {
 		if (!(dp_reg & DP_PORT_EN)) {
-			intel_dp_link_train(intel_encoder, dp_priv->DP, dp_priv->link_configuration);
-			if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) {
+			intel_dp_link_train(intel_dp);
+			if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) {
 				ironlake_edp_panel_on(dev);
 				ironlake_edp_backlight_on(dev);
 			}
 		}
 	}
-	dp_priv->dpms_mode = mode;
+	intel_dp->dpms_mode = mode;
 }
 
 /*
@@ -883,12 +866,12 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
  * link status information
  */
 static bool
-intel_dp_get_link_status(struct intel_encoder *intel_encoder,
+intel_dp_get_link_status(struct intel_dp *intel_dp,
 			 uint8_t link_status[DP_LINK_STATUS_SIZE])
 {
 	int ret;
 
-	ret = intel_dp_aux_native_read(intel_encoder,
+	ret = intel_dp_aux_native_read(intel_dp,
 				       DP_LANE0_1_STATUS,
 				       link_status, DP_LINK_STATUS_SIZE);
 	if (ret != DP_LINK_STATUS_SIZE)
@@ -965,7 +948,7 @@ intel_dp_pre_emphasis_max(uint8_t voltage_swing)
 }
 
 static void
-intel_get_adjust_train(struct intel_encoder *intel_encoder,
+intel_get_adjust_train(struct intel_dp *intel_dp,
 		       uint8_t link_status[DP_LINK_STATUS_SIZE],
 		       int lane_count,
 		       uint8_t train_set[4])
@@ -1101,27 +1084,26 @@ intel_channel_eq_ok(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane_count)
 }
 
 static bool
-intel_dp_set_link_train(struct intel_encoder *intel_encoder,
+intel_dp_set_link_train(struct intel_dp *intel_dp,
 			uint32_t dp_reg_value,
 			uint8_t dp_train_pat,
 			uint8_t train_set[4],
 			bool first)
 {
-	struct drm_device *dev = intel_encoder->enc.dev;
+	struct drm_device *dev = intel_dp->base.enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	int ret;
 
-	I915_WRITE(dp_priv->output_reg, dp_reg_value);
-	POSTING_READ(dp_priv->output_reg);
+	I915_WRITE(intel_dp->output_reg, dp_reg_value);
+	POSTING_READ(intel_dp->output_reg);
 	if (first)
 		intel_wait_for_vblank(dev);
 
-	intel_dp_aux_native_write_1(intel_encoder,
+	intel_dp_aux_native_write_1(intel_dp,
 				    DP_TRAINING_PATTERN_SET,
 				    dp_train_pat);
 
-	ret = intel_dp_aux_native_write(intel_encoder,
+	ret = intel_dp_aux_native_write(intel_dp,
 					DP_TRAINING_LANE0_SET, train_set, 4);
 	if (ret != 4)
 		return false;
@@ -1130,12 +1112,10 @@ intel_dp_set_link_train(struct intel_encoder *intel_encoder,
 }
 
 static void
-intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
-		    uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE])
+intel_dp_link_train(struct intel_dp *intel_dp)
 {
-	struct drm_device *dev = intel_encoder->enc.dev;
+	struct drm_device *dev = intel_dp->base.enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	uint8_t	train_set[4];
 	uint8_t link_status[DP_LINK_STATUS_SIZE];
 	int i;
@@ -1145,13 +1125,15 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 	bool first = true;
 	int tries;
 	u32 reg;
+	uint32_t DP = intel_dp->DP;
 
 	/* Write the link configuration data */
-	intel_dp_aux_native_write(intel_encoder, DP_LINK_BW_SET,
-				  link_configuration, DP_LINK_CONFIGURATION_SIZE);
+	intel_dp_aux_native_write(intel_dp, DP_LINK_BW_SET,
+				  intel_dp->link_configuration,
+				  DP_LINK_CONFIGURATION_SIZE);
 
 	DP |= DP_PORT_EN;
-	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_dp))
 		DP &= ~DP_LINK_TRAIN_MASK_CPT;
 	else
 		DP &= ~DP_LINK_TRAIN_MASK;
@@ -1162,39 +1144,39 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 	for (;;) {
 		/* Use train_set[0] to set the voltage and pre emphasis values */
 		uint32_t    signal_levels;
-		if (IS_GEN6(dev) && IS_eDP(intel_encoder)) {
+		if (IS_GEN6(dev) && IS_eDP(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
-			signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count);
+			signal_levels = intel_dp_signal_levels(train_set[0], intel_dp->lane_count);
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
-		if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+		if (HAS_PCH_CPT(dev) && !IS_eDP(intel_dp))
 			reg = DP | DP_LINK_TRAIN_PAT_1_CPT;
 		else
 			reg = DP | DP_LINK_TRAIN_PAT_1;
 
-		if (!intel_dp_set_link_train(intel_encoder, reg,
+		if (!intel_dp_set_link_train(intel_dp, reg,
 					     DP_TRAINING_PATTERN_1, train_set, first))
 			break;
 		first = false;
 		/* Set training pattern 1 */
 
 		udelay(100);
-		if (!intel_dp_get_link_status(intel_encoder, link_status))
+		if (!intel_dp_get_link_status(intel_dp, link_status))
 			break;
 
-		if (intel_clock_recovery_ok(link_status, dp_priv->lane_count)) {
+		if (intel_clock_recovery_ok(link_status, intel_dp->lane_count)) {
 			clock_recovery = true;
 			break;
 		}
 
 		/* Check to see if we've tried the max voltage */
-		for (i = 0; i < dp_priv->lane_count; i++)
+		for (i = 0; i < intel_dp->lane_count; i++)
 			if ((train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
 				break;
-		if (i == dp_priv->lane_count)
+		if (i == intel_dp->lane_count)
 			break;
 
 		/* Check to see if we've tried the same voltage 5 times */
@@ -1207,7 +1189,7 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 		voltage = train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
 
 		/* Compute new train_set as requested by target */
-		intel_get_adjust_train(intel_encoder, link_status, dp_priv->lane_count, train_set);
+		intel_get_adjust_train(intel_dp, link_status, intel_dp->lane_count, train_set);
 	}
 
 	/* channel equalization */
@@ -1217,30 +1199,30 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 		/* Use train_set[0] to set the voltage and pre emphasis values */
 		uint32_t    signal_levels;
 
-		if (IS_GEN6(dev) && IS_eDP(intel_encoder)) {
+		if (IS_GEN6(dev) && IS_eDP(intel_dp)) {
 			signal_levels = intel_gen6_edp_signal_levels(train_set[0]);
 			DP = (DP & ~EDP_LINK_TRAIN_VOL_EMP_MASK_SNB) | signal_levels;
 		} else {
-			signal_levels = intel_dp_signal_levels(train_set[0], dp_priv->lane_count);
+			signal_levels = intel_dp_signal_levels(train_set[0], intel_dp->lane_count);
 			DP = (DP & ~(DP_VOLTAGE_MASK|DP_PRE_EMPHASIS_MASK)) | signal_levels;
 		}
 
-		if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+		if (HAS_PCH_CPT(dev) && !IS_eDP(intel_dp))
 			reg = DP | DP_LINK_TRAIN_PAT_2_CPT;
 		else
 			reg = DP | DP_LINK_TRAIN_PAT_2;
 
 		/* channel eq pattern */
-		if (!intel_dp_set_link_train(intel_encoder, reg,
+		if (!intel_dp_set_link_train(intel_dp, reg,
 					     DP_TRAINING_PATTERN_2, train_set,
 					     false))
 			break;
 
 		udelay(400);
-		if (!intel_dp_get_link_status(intel_encoder, link_status))
+		if (!intel_dp_get_link_status(intel_dp, link_status))
 			break;
 
-		if (intel_channel_eq_ok(link_status, dp_priv->lane_count)) {
+		if (intel_channel_eq_ok(link_status, intel_dp->lane_count)) {
 			channel_eq = true;
 			break;
 		}
@@ -1250,53 +1232,53 @@ intel_dp_link_train(struct intel_encoder *intel_encoder, uint32_t DP,
 			break;
 
 		/* Compute new train_set as requested by target */
-		intel_get_adjust_train(intel_encoder, link_status, dp_priv->lane_count, train_set);
+		intel_get_adjust_train(intel_dp, link_status, intel_dp->lane_count, train_set);
 		++tries;
 	}
 
-	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder))
+	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_dp))
 		reg = DP | DP_LINK_TRAIN_OFF_CPT;
 	else
 		reg = DP | DP_LINK_TRAIN_OFF;
 
-	I915_WRITE(dp_priv->output_reg, reg);
-	POSTING_READ(dp_priv->output_reg);
-	intel_dp_aux_native_write_1(intel_encoder,
+	I915_WRITE(intel_dp->output_reg, reg);
+	POSTING_READ(intel_dp->output_reg);
+	intel_dp_aux_native_write_1(intel_dp,
 				    DP_TRAINING_PATTERN_SET, DP_TRAINING_PATTERN_DISABLE);
 }
 
 static void
-intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP)
+intel_dp_link_down(struct intel_dp *intel_dp)
 {
-	struct drm_device *dev = intel_encoder->enc.dev;
+	struct drm_device *dev = intel_dp->base.enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
+	uint32_t DP = intel_dp->DP;
 
 	DRM_DEBUG_KMS("\n");
 
-	if (IS_eDP(intel_encoder)) {
+	if (IS_eDP(intel_dp)) {
 		DP &= ~DP_PLL_ENABLE;
-		I915_WRITE(dp_priv->output_reg, DP);
-		POSTING_READ(dp_priv->output_reg);
+		I915_WRITE(intel_dp->output_reg, DP);
+		POSTING_READ(intel_dp->output_reg);
 		udelay(100);
 	}
 
-	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_encoder)) {
+	if (HAS_PCH_CPT(dev) && !IS_eDP(intel_dp)) {
 		DP &= ~DP_LINK_TRAIN_MASK_CPT;
-		I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
-		POSTING_READ(dp_priv->output_reg);
+		I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE_CPT);
+		POSTING_READ(intel_dp->output_reg);
 	} else {
 		DP &= ~DP_LINK_TRAIN_MASK;
-		I915_WRITE(dp_priv->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE);
-		POSTING_READ(dp_priv->output_reg);
+		I915_WRITE(intel_dp->output_reg, DP | DP_LINK_TRAIN_PAT_IDLE);
+		POSTING_READ(intel_dp->output_reg);
 	}
 
 	udelay(17000);
 
-	if (IS_eDP(intel_encoder))
+	if (IS_eDP(intel_dp))
 		DP |= DP_LINK_TRAIN_OFF;
-	I915_WRITE(dp_priv->output_reg, DP & ~DP_PORT_EN);
-	POSTING_READ(dp_priv->output_reg);
+	I915_WRITE(intel_dp->output_reg, DP & ~DP_PORT_EN);
+	POSTING_READ(intel_dp->output_reg);
 }
 
 /*
@@ -1309,41 +1291,39 @@ intel_dp_link_down(struct intel_encoder *intel_encoder, uint32_t DP)
  */
 
 static void
-intel_dp_check_link_status(struct intel_encoder *intel_encoder)
+intel_dp_check_link_status(struct intel_dp *intel_dp)
 {
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	uint8_t link_status[DP_LINK_STATUS_SIZE];
 
-	if (!intel_encoder->enc.crtc)
+	if (!intel_dp->base.enc.crtc)
 		return;
 
-	if (!intel_dp_get_link_status(intel_encoder, link_status)) {
-		intel_dp_link_down(intel_encoder, dp_priv->DP);
+	if (!intel_dp_get_link_status(intel_dp, link_status)) {
+		intel_dp_link_down(intel_dp);
 		return;
 	}
 
-	if (!intel_channel_eq_ok(link_status, dp_priv->lane_count))
-		intel_dp_link_train(intel_encoder, dp_priv->DP, dp_priv->link_configuration);
+	if (!intel_channel_eq_ok(link_status, intel_dp->lane_count))
+		intel_dp_link_train(intel_dp);
 }
 
 static enum drm_connector_status
 ironlake_dp_detect(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
 	enum drm_connector_status status;
 
 	status = connector_status_disconnected;
-	if (intel_dp_aux_native_read(intel_encoder,
-				     0x000, dp_priv->dpcd,
-				     sizeof (dp_priv->dpcd)) == sizeof (dp_priv->dpcd))
+	if (intel_dp_aux_native_read(intel_dp,
+				     0x000, intel_dp->dpcd,
+				     sizeof (intel_dp->dpcd)) == sizeof (intel_dp->dpcd))
 	{
-		if (dp_priv->dpcd[0] != 0)
+		if (intel_dp->dpcd[0] != 0)
 			status = connector_status_connected;
 	}
-	DRM_DEBUG_KMS("DPCD: %hx%hx%hx%hx\n", dp_priv->dpcd[0],
-		      dp_priv->dpcd[1], dp_priv->dpcd[2], dp_priv->dpcd[3]);
+	DRM_DEBUG_KMS("DPCD: %hx%hx%hx%hx\n", intel_dp->dpcd[0],
+		      intel_dp->dpcd[1], intel_dp->dpcd[2], intel_dp->dpcd[3]);
 	return status;
 }
 
@@ -1357,19 +1337,18 @@ static enum drm_connector_status
 intel_dp_detect(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct drm_device *dev = intel_encoder->enc.dev;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	struct drm_device *dev = intel_dp->base.enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	uint32_t temp, bit;
 	enum drm_connector_status status;
 
-	dp_priv->has_audio = false;
+	intel_dp->has_audio = false;
 
 	if (HAS_PCH_SPLIT(dev))
 		return ironlake_dp_detect(connector);
 
-	switch (dp_priv->output_reg) {
+	switch (intel_dp->output_reg) {
 	case DP_B:
 		bit = DPB_HOTPLUG_INT_STATUS;
 		break;
@@ -1389,11 +1368,11 @@ intel_dp_detect(struct drm_connector *connector)
 		return connector_status_disconnected;
 
 	status = connector_status_disconnected;
-	if (intel_dp_aux_native_read(intel_encoder,
-				     0x000, dp_priv->dpcd,
-				     sizeof (dp_priv->dpcd)) == sizeof (dp_priv->dpcd))
+	if (intel_dp_aux_native_read(intel_dp,
+				     0x000, intel_dp->dpcd,
+				     sizeof (intel_dp->dpcd)) == sizeof (intel_dp->dpcd))
 	{
-		if (dp_priv->dpcd[0] != 0)
+		if (intel_dp->dpcd[0] != 0)
 			status = connector_status_connected;
 	}
 	return status;
@@ -1402,18 +1381,17 @@ intel_dp_detect(struct drm_connector *connector)
 static int intel_dp_get_modes(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct drm_device *dev = intel_encoder->enc.dev;
+	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
+	struct drm_device *dev = intel_dp->base.enc.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
 	int ret;
 
 	/* We should parse the EDID data and find out if it has an audio sink
 	 */
 
-	ret = intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
+	ret = intel_ddc_get_modes(connector, intel_dp->base.ddc_bus);
 	if (ret) {
-		if ((IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) &&
+		if ((IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) &&
 		    !dev_priv->panel_fixed_mode) {
 			struct drm_display_mode *newmode;
 			list_for_each_entry(newmode, &connector->probed_modes,
@@ -1430,7 +1408,7 @@ static int intel_dp_get_modes(struct drm_connector *connector)
 	}
 
 	/* if eDP has no EDID, try to use fixed panel mode from VBT */
-	if (IS_eDP(intel_encoder) || IS_PCH_eDP(dp_priv)) {
+	if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp)) {
 		if (dev_priv->panel_fixed_mode != NULL) {
 			struct drm_display_mode *mode;
 			mode = drm_mode_duplicate(dev, dev_priv->panel_fixed_mode);
@@ -1470,27 +1448,17 @@ static const struct drm_connector_helper_funcs intel_dp_connector_helper_funcs =
 	.best_encoder = intel_attached_encoder,
 };
 
-static void intel_dp_enc_destroy(struct drm_encoder *encoder)
-{
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
-	if (intel_encoder->i2c_bus)
-		intel_i2c_destroy(intel_encoder->i2c_bus);
-	drm_encoder_cleanup(encoder);
-	kfree(intel_encoder);
-}
-
 static const struct drm_encoder_funcs intel_dp_enc_funcs = {
-	.destroy = intel_dp_enc_destroy,
+	.destroy = intel_encoder_destroy,
 };
 
 void
 intel_dp_hot_plug(struct intel_encoder *intel_encoder)
 {
-	struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
+	struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base);
 
-	if (dp_priv->dpms_mode == DRM_MODE_DPMS_ON)
-		intel_dp_check_link_status(intel_encoder);
+	if (intel_dp->dpms_mode == DRM_MODE_DPMS_ON)
+		intel_dp_check_link_status(intel_dp);
 }
 
 /* Return which DP Port should be selected for Transcoder DP control */
@@ -1500,18 +1468,18 @@ intel_trans_dp_port_sel (struct drm_crtc *crtc)
 	struct drm_device *dev = crtc->dev;
 	struct drm_mode_config *mode_config = &dev->mode_config;
 	struct drm_encoder *encoder;
-	struct intel_encoder *intel_encoder = NULL;
 
 	list_for_each_entry(encoder, &mode_config->encoder_list, head) {
+		struct intel_dp *intel_dp;
+
 		if (encoder->crtc != crtc)
 			continue;
 
-		intel_encoder = enc_to_intel_encoder(encoder);
-		if (intel_encoder->type == INTEL_OUTPUT_DISPLAYPORT) {
-			struct intel_dp_priv *dp_priv = intel_encoder->dev_priv;
-			return dp_priv->output_reg;
-		}
+		intel_dp = enc_to_intel_dp(encoder);
+		if (intel_dp->base.type == INTEL_OUTPUT_DISPLAYPORT)
+			return intel_dp->output_reg;
 	}
+
 	return -1;
 }
 
@@ -1540,30 +1508,28 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_connector *connector;
+	struct intel_dp *intel_dp;
 	struct intel_encoder *intel_encoder;
 	struct intel_connector *intel_connector;
-	struct intel_dp_priv *dp_priv;
 	const char *name = NULL;
 	int type;
 
-	intel_encoder = kcalloc(sizeof(struct intel_encoder) +
-			       sizeof(struct intel_dp_priv), 1, GFP_KERNEL);
-	if (!intel_encoder)
+	intel_dp = kzalloc(sizeof(struct intel_dp), GFP_KERNEL);
+	if (!intel_dp)
 		return;
 
 	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
 	if (!intel_connector) {
-		kfree(intel_encoder);
+		kfree(intel_dp);
 		return;
 	}
+	intel_encoder = &intel_dp->base;
 
-	dp_priv = (struct intel_dp_priv *)(intel_encoder + 1);
-
-	if (HAS_PCH_SPLIT(dev) && (output_reg == PCH_DP_D))
+	if (HAS_PCH_SPLIT(dev) && output_reg == PCH_DP_D)
 		if (intel_dpd_is_edp(dev))
-			dp_priv->is_pch_edp = true;
+			intel_dp->is_pch_edp = true;
 
-	if (output_reg == DP_A || IS_PCH_eDP(dp_priv)) {
+	if (output_reg == DP_A || IS_PCH_eDP(intel_dp)) {
 		type = DRM_MODE_CONNECTOR_eDP;
 		intel_encoder->type = INTEL_OUTPUT_EDP;
 	} else {
@@ -1584,18 +1550,16 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 	else if (output_reg == DP_D || output_reg == PCH_DP_D)
 		intel_encoder->clone_mask = (1 << INTEL_DP_D_CLONE_BIT);
 
-	if (IS_eDP(intel_encoder))
+	if (IS_eDP(intel_dp))
 		intel_encoder->clone_mask = (1 << INTEL_EDP_CLONE_BIT);
 
 	intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
 	connector->interlace_allowed = true;
 	connector->doublescan_allowed = 0;
 
-	dp_priv->intel_encoder = intel_encoder;
-	dp_priv->output_reg = output_reg;
-	dp_priv->has_audio = false;
-	dp_priv->dpms_mode = DRM_MODE_DPMS_ON;
-	intel_encoder->dev_priv = dp_priv;
+	intel_dp->output_reg = output_reg;
+	intel_dp->has_audio = false;
+	intel_dp->dpms_mode = DRM_MODE_DPMS_ON;
 
 	drm_encoder_init(dev, &intel_encoder->enc, &intel_dp_enc_funcs,
 			 DRM_MODE_ENCODER_TMDS);
@@ -1630,12 +1594,12 @@ intel_dp_init(struct drm_device *dev, int output_reg)
 			break;
 	}
 
-	intel_dp_i2c_init(intel_encoder, intel_connector, name);
+	intel_dp_i2c_init(intel_dp, intel_connector, name);
 
-	intel_encoder->ddc_bus = &dp_priv->adapter;
+	intel_encoder->ddc_bus = &intel_dp->adapter;
 	intel_encoder->hot_plug = intel_dp_hot_plug;
 
-	if (output_reg == DP_A || IS_PCH_eDP(dp_priv)) {
+	if (output_reg == DP_A || IS_PCH_eDP(intel_dp)) {
 		/* initialize panel mode from VBT if available for eDP */
 		if (dev_priv->lfp_lvds_vbt_mode) {
 			dev_priv->panel_fixed_mode =

drivers/gpu/drm/i915/intel_drv.h

@@ -102,7 +102,6 @@ struct intel_encoder {
 	struct i2c_adapter *ddc_bus;
 	bool load_detect_temp;
 	bool needs_tv_clock;
-	void *dev_priv;
 	void (*hot_plug)(struct intel_encoder *);
 	int crtc_mask;
 	int clone_mask;
@@ -192,6 +191,7 @@ extern int intel_panel_fitter_pipe (struct drm_device *dev);
 extern void intel_crtc_load_lut(struct drm_crtc *crtc);
 extern void intel_encoder_prepare (struct drm_encoder *encoder);
 extern void intel_encoder_commit (struct drm_encoder *encoder);
+extern void intel_encoder_destroy(struct drm_encoder *encoder);
 
 extern struct drm_encoder *intel_attached_encoder(struct drm_connector *connector);
 

drivers/gpu/drm/i915/intel_dvo.c

@@ -38,7 +38,7 @@
 #define CH7xxx_ADDR	0x76
 #define TFP410_ADDR	0x38
 
-static struct intel_dvo_device intel_dvo_devices[] = {
+static const struct intel_dvo_device intel_dvo_devices[] = {
 	{
 		.type = INTEL_DVO_CHIP_TMDS,
 		.name = "sil164",
@@ -77,20 +77,33 @@ static struct intel_dvo_device intel_dvo_devices[] = {
 	}
 };
 
+struct intel_dvo {
+	struct intel_encoder base;
+
+	struct intel_dvo_device dev;
+
+	struct drm_display_mode *panel_fixed_mode;
+	bool panel_wants_dither;
+};
+
+static struct intel_dvo *enc_to_intel_dvo(struct drm_encoder *encoder)
+{
+	return container_of(enc_to_intel_encoder(encoder), struct intel_dvo, base);
+}
+
 static void intel_dvo_dpms(struct drm_encoder *encoder, int mode)
 {
 	struct drm_i915_private *dev_priv = encoder->dev->dev_private;
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
-	u32 dvo_reg = dvo->dvo_reg;
+	struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
+	u32 dvo_reg = intel_dvo->dev.dvo_reg;
 	u32 temp = I915_READ(dvo_reg);
 
 	if (mode == DRM_MODE_DPMS_ON) {
 		I915_WRITE(dvo_reg, temp | DVO_ENABLE);
 		I915_READ(dvo_reg);
-		dvo->dev_ops->dpms(dvo, mode);
+		intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, mode);
 	} else {
-		dvo->dev_ops->dpms(dvo, mode);
+		intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, mode);
 		I915_WRITE(dvo_reg, temp & ~DVO_ENABLE);
 		I915_READ(dvo_reg);
 	}
@@ -100,38 +113,36 @@ static int intel_dvo_mode_valid(struct drm_connector *connector,
 				struct drm_display_mode *mode)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
+	struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
 
 	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 		return MODE_NO_DBLESCAN;
 
 	/* XXX: Validate clock range */
 
-	if (dvo->panel_fixed_mode) {
-		if (mode->hdisplay > dvo->panel_fixed_mode->hdisplay)
+	if (intel_dvo->panel_fixed_mode) {
+		if (mode->hdisplay > intel_dvo->panel_fixed_mode->hdisplay)
 			return MODE_PANEL;
-		if (mode->vdisplay > dvo->panel_fixed_mode->vdisplay)
+		if (mode->vdisplay > intel_dvo->panel_fixed_mode->vdisplay)
 			return MODE_PANEL;
 	}
 
-	return dvo->dev_ops->mode_valid(dvo, mode);
+	return intel_dvo->dev.dev_ops->mode_valid(&intel_dvo->dev, mode);
 }
 
 static bool intel_dvo_mode_fixup(struct drm_encoder *encoder,
 				 struct drm_display_mode *mode,
 				 struct drm_display_mode *adjusted_mode)
 {
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
+	struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
 
 	/* If we have timings from the BIOS for the panel, put them in
 	 * to the adjusted mode.  The CRTC will be set up for this mode,
 	 * with the panel scaling set up to source from the H/VDisplay
 	 * of the original mode.
 	 */
-	if (dvo->panel_fixed_mode != NULL) {
-#define C(x) adjusted_mode->x = dvo->panel_fixed_mode->x
+	if (intel_dvo->panel_fixed_mode != NULL) {
+#define C(x) adjusted_mode->x = intel_dvo->panel_fixed_mode->x
 		C(hdisplay);
 		C(hsync_start);
 		C(hsync_end);
@@ -145,8 +156,8 @@ static bool intel_dvo_mode_fixup(struct drm_encoder *encoder,
 #undef C
 	}
 
-	if (dvo->dev_ops->mode_fixup)
-		return dvo->dev_ops->mode_fixup(dvo, mode, adjusted_mode);
+	if (intel_dvo->dev.dev_ops->mode_fixup)
+		return intel_dvo->dev.dev_ops->mode_fixup(&intel_dvo->dev, mode, adjusted_mode);
 
 	return true;
 }
@@ -158,11 +169,10 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder,
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
+	struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
 	int pipe = intel_crtc->pipe;
 	u32 dvo_val;
-	u32 dvo_reg = dvo->dvo_reg, dvo_srcdim_reg;
+	u32 dvo_reg = intel_dvo->dev.dvo_reg, dvo_srcdim_reg;
 	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
 
 	switch (dvo_reg) {
@@ -178,7 +188,7 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder,
 		break;
 	}
 
-	dvo->dev_ops->mode_set(dvo, mode, adjusted_mode);
+	intel_dvo->dev.dev_ops->mode_set(&intel_dvo->dev, mode, adjusted_mode);
 
 	/* Save the data order, since I don't know what it should be set to. */
 	dvo_val = I915_READ(dvo_reg) &
@@ -214,40 +224,38 @@ static void intel_dvo_mode_set(struct drm_encoder *encoder,
 static enum drm_connector_status intel_dvo_detect(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
+	struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
 
-	return dvo->dev_ops->detect(dvo);
+	return intel_dvo->dev.dev_ops->detect(&intel_dvo->dev);
 }
 
 static int intel_dvo_get_modes(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
+	struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
 
 	/* We should probably have an i2c driver get_modes function for those
 	 * devices which will have a fixed set of modes determined by the chip
 	 * (TV-out, for example), but for now with just TMDS and LVDS,
 	 * that's not the case.
 	 */
-	intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
+	intel_ddc_get_modes(connector, intel_dvo->base.ddc_bus);
 	if (!list_empty(&connector->probed_modes))
 		return 1;
 
-
-	if (dvo->panel_fixed_mode != NULL) {
+	if (intel_dvo->panel_fixed_mode != NULL) {
 		struct drm_display_mode *mode;
-		mode = drm_mode_duplicate(connector->dev, dvo->panel_fixed_mode);
+		mode = drm_mode_duplicate(connector->dev, intel_dvo->panel_fixed_mode);
 		if (mode) {
 			drm_mode_probed_add(connector, mode);
 			return 1;
 		}
 	}
+
 	return 0;
 }
 
-static void intel_dvo_destroy (struct drm_connector *connector)
+static void intel_dvo_destroy(struct drm_connector *connector)
 {
 	drm_sysfs_connector_remove(connector);
 	drm_connector_cleanup(connector);
@@ -277,28 +285,20 @@ static const struct drm_connector_helper_funcs intel_dvo_connector_helper_funcs
 
 static void intel_dvo_enc_destroy(struct drm_encoder *encoder)
 {
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
-
-	if (dvo) {
-		if (dvo->dev_ops->destroy)
-			dvo->dev_ops->destroy(dvo);
-		if (dvo->panel_fixed_mode)
-			kfree(dvo->panel_fixed_mode);
-	}
-	if (intel_encoder->i2c_bus)
-		intel_i2c_destroy(intel_encoder->i2c_bus);
-	if (intel_encoder->ddc_bus)
-		intel_i2c_destroy(intel_encoder->ddc_bus);
-	drm_encoder_cleanup(encoder);
-	kfree(intel_encoder);
+	struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
+
+	if (intel_dvo->dev.dev_ops->destroy)
+		intel_dvo->dev.dev_ops->destroy(&intel_dvo->dev);
+
+	kfree(intel_dvo->panel_fixed_mode);
+
+	intel_encoder_destroy(encoder);
 }
 
 static const struct drm_encoder_funcs intel_dvo_enc_funcs = {
 	.destroy = intel_dvo_enc_destroy,
 };
 
-
 /**
  * Attempts to get a fixed panel timing for LVDS (currently only the i830).
  *
@@ -306,15 +306,13 @@ static const struct drm_encoder_funcs intel_dvo_enc_funcs = {
  * chip being on DVOB/C and having multiple pipes.
  */
 static struct drm_display_mode *
-intel_dvo_get_current_mode (struct drm_connector *connector)
+intel_dvo_get_current_mode(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_dvo_device *dvo = intel_encoder->dev_priv;
-	uint32_t dvo_reg = dvo->dvo_reg;
-	uint32_t dvo_val = I915_READ(dvo_reg);
+	struct intel_dvo *intel_dvo = enc_to_intel_dvo(encoder);
+	uint32_t dvo_val = I915_READ(intel_dvo->dev.dvo_reg);
 	struct drm_display_mode *mode = NULL;
 
 	/* If the DVO port is active, that'll be the LVDS, so we can pull out
@@ -327,7 +325,6 @@ intel_dvo_get_current_mode (struct drm_connector *connector)
 		crtc = intel_get_crtc_from_pipe(dev, pipe);
 		if (crtc) {
 			mode = intel_crtc_mode_get(dev, crtc);
-
 			if (mode) {
 				mode->type |= DRM_MODE_TYPE_PREFERRED;
 				if (dvo_val & DVO_HSYNC_ACTIVE_HIGH)
@@ -337,28 +334,32 @@ intel_dvo_get_current_mode (struct drm_connector *connector)
 			}
 		}
 	}
+
 	return mode;
 }
 
 void intel_dvo_init(struct drm_device *dev)
 {
 	struct intel_encoder *intel_encoder;
+	struct intel_dvo *intel_dvo;
 	struct intel_connector *intel_connector;
-	struct intel_dvo_device *dvo;
 	struct i2c_adapter *i2cbus = NULL;
 	int ret = 0;
 	int i;
 	int encoder_type = DRM_MODE_ENCODER_NONE;
-	intel_encoder = kzalloc (sizeof(struct intel_encoder), GFP_KERNEL);
-	if (!intel_encoder)
+
+	intel_dvo = kzalloc(sizeof(struct intel_dvo), GFP_KERNEL);
+	if (!intel_dvo)
 		return;
 
 	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
 	if (!intel_connector) {
-		kfree(intel_encoder);
+		kfree(intel_dvo);
 		return;
 	}
 
+	intel_encoder = &intel_dvo->base;
+
 	/* Set up the DDC bus */
 	intel_encoder->ddc_bus = intel_i2c_create(dev, GPIOD, "DVODDC_D");
 	if (!intel_encoder->ddc_bus)
@@ -367,10 +368,9 @@ void intel_dvo_init(struct drm_device *dev)
 	/* Now, try to find a controller */
 	for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {
 		struct drm_connector *connector = &intel_connector->base;
+		const struct intel_dvo_device *dvo = &intel_dvo_devices[i];
 		int gpio;
 
-		dvo = &intel_dvo_devices[i];
-
 		/* Allow the I2C driver info to specify the GPIO to be used in
 		 * special cases, but otherwise default to what's defined
 		 * in the spec.
@@ -393,11 +393,8 @@ void intel_dvo_init(struct drm_device *dev)
 			continue;
 		}
 
-		if (dvo->dev_ops!= NULL)
-			ret = dvo->dev_ops->init(dvo, i2cbus);
-		else
-			ret = false;
-
+		intel_dvo->dev = *dvo;
+		ret = dvo->dev_ops->init(&intel_dvo->dev, i2cbus);
 		if (!ret)
 			continue;
 
@@ -429,9 +426,6 @@ void intel_dvo_init(struct drm_device *dev)
 		connector->interlace_allowed = false;
 		connector->doublescan_allowed = false;
 
-		intel_encoder->dev_priv = dvo;
-		intel_encoder->i2c_bus = i2cbus;
-
 		drm_encoder_init(dev, &intel_encoder->enc,
 				 &intel_dvo_enc_funcs, encoder_type);
 		drm_encoder_helper_add(&intel_encoder->enc,
@@ -447,9 +441,9 @@ void intel_dvo_init(struct drm_device *dev)
 			 * headers, likely), so for now, just get the current
 			 * mode being output through DVO.
 			 */
-			dvo->panel_fixed_mode =
+			intel_dvo->panel_fixed_mode =
 				intel_dvo_get_current_mode(connector);
-			dvo->panel_wants_dither = true;
+			intel_dvo->panel_wants_dither = true;
 		}
 
 		drm_sysfs_connector_add(connector);
@@ -461,6 +455,6 @@ void intel_dvo_init(struct drm_device *dev)
 	if (i2cbus != NULL)
 		intel_i2c_destroy(i2cbus);
 free_intel:
-	kfree(intel_encoder);
+	kfree(intel_dvo);
 	kfree(intel_connector);
 }

drivers/gpu/drm/i915/intel_hdmi.c

@@ -37,11 +37,17 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
-struct intel_hdmi_priv {
+struct intel_hdmi {
+	struct intel_encoder base;
 	u32 sdvox_reg;
 	bool has_hdmi_sink;
 };
 
+static struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder)
+{
+	return container_of(enc_to_intel_encoder(encoder), struct intel_hdmi, base);
+}
+
 static void intel_hdmi_mode_set(struct drm_encoder *encoder,
 				struct drm_display_mode *mode,
 				struct drm_display_mode *adjusted_mode)
@@ -50,8 +56,7 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_crtc *crtc = encoder->crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_hdmi_priv *hdmi_priv = intel_encoder->dev_priv;
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	u32 sdvox;
 
 	sdvox = SDVO_ENCODING_HDMI | SDVO_BORDER_ENABLE;
@@ -60,7 +65,7 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
 	if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
 		sdvox |= SDVO_HSYNC_ACTIVE_HIGH;
 
-	if (hdmi_priv->has_hdmi_sink) {
+	if (intel_hdmi->has_hdmi_sink) {
 		sdvox |= SDVO_AUDIO_ENABLE;
 		if (HAS_PCH_CPT(dev))
 			sdvox |= HDMI_MODE_SELECT;
@@ -73,26 +78,25 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
 			sdvox |= SDVO_PIPE_B_SELECT;
 	}
 
-	I915_WRITE(hdmi_priv->sdvox_reg, sdvox);
-	POSTING_READ(hdmi_priv->sdvox_reg);
+	I915_WRITE(intel_hdmi->sdvox_reg, sdvox);
+	POSTING_READ(intel_hdmi->sdvox_reg);
 }
 
 static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
 {
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_hdmi_priv *hdmi_priv = intel_encoder->dev_priv;
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	u32 temp;
 
-	temp = I915_READ(hdmi_priv->sdvox_reg);
+	temp = I915_READ(intel_hdmi->sdvox_reg);
 
 	/* HW workaround, need to toggle enable bit off and on for 12bpc, but
 	 * we do this anyway which shows more stable in testing.
 	 */
 	if (HAS_PCH_SPLIT(dev)) {
-		I915_WRITE(hdmi_priv->sdvox_reg, temp & ~SDVO_ENABLE);
-		POSTING_READ(hdmi_priv->sdvox_reg);
+		I915_WRITE(intel_hdmi->sdvox_reg, temp & ~SDVO_ENABLE);
+		POSTING_READ(intel_hdmi->sdvox_reg);
 	}
 
 	if (mode != DRM_MODE_DPMS_ON) {
@@ -101,15 +105,15 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
 		temp |= SDVO_ENABLE;
 	}
 
-	I915_WRITE(hdmi_priv->sdvox_reg, temp);
-	POSTING_READ(hdmi_priv->sdvox_reg);
+	I915_WRITE(intel_hdmi->sdvox_reg, temp);
+	POSTING_READ(intel_hdmi->sdvox_reg);
 
 	/* HW workaround, need to write this twice for issue that may result
 	 * in first write getting masked.
 	 */
 	if (HAS_PCH_SPLIT(dev)) {
-		I915_WRITE(hdmi_priv->sdvox_reg, temp);
-		POSTING_READ(hdmi_priv->sdvox_reg);
+		I915_WRITE(intel_hdmi->sdvox_reg, temp);
+		POSTING_READ(intel_hdmi->sdvox_reg);
 	}
 }
 
@@ -138,19 +142,17 @@ static enum drm_connector_status
 intel_hdmi_detect(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_hdmi_priv *hdmi_priv = intel_encoder->dev_priv;
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 	struct edid *edid = NULL;
 	enum drm_connector_status status = connector_status_disconnected;
 
-	hdmi_priv->has_hdmi_sink = false;
-	edid = drm_get_edid(connector,
-			    intel_encoder->ddc_bus);
+	intel_hdmi->has_hdmi_sink = false;
+	edid = drm_get_edid(connector, intel_hdmi->base.ddc_bus);
 
 	if (edid) {
 		if (edid->input & DRM_EDID_INPUT_DIGITAL) {
 			status = connector_status_connected;
-			hdmi_priv->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
+			intel_hdmi->has_hdmi_sink = drm_detect_hdmi_monitor(edid);
 		}
 		connector->display_info.raw_edid = NULL;
 		kfree(edid);
@@ -162,13 +164,13 @@ intel_hdmi_detect(struct drm_connector *connector)
 static int intel_hdmi_get_modes(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
+	struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(encoder);
 
 	/* We should parse the EDID data and find out if it's an HDMI sink so
 	 * we can send audio to it.
 	 */
 
-	return intel_ddc_get_modes(connector, intel_encoder->ddc_bus);
+	return intel_ddc_get_modes(connector, intel_hdmi->base.ddc_bus);
 }
 
 static void intel_hdmi_destroy(struct drm_connector *connector)
@@ -199,18 +201,8 @@ static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs
 	.best_encoder = intel_attached_encoder,
 };
 
-static void intel_hdmi_enc_destroy(struct drm_encoder *encoder)
-{
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
-	if (intel_encoder->i2c_bus)
-		intel_i2c_destroy(intel_encoder->i2c_bus);
-	drm_encoder_cleanup(encoder);
-	kfree(intel_encoder);
-}
-
 static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
-	.destroy = intel_hdmi_enc_destroy,
+	.destroy = intel_encoder_destroy,
 };
 
 void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
@@ -219,21 +211,19 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 	struct drm_connector *connector;
 	struct intel_encoder *intel_encoder;
 	struct intel_connector *intel_connector;
-	struct intel_hdmi_priv *hdmi_priv;
+	struct intel_hdmi *intel_hdmi;
 
-	intel_encoder = kcalloc(sizeof(struct intel_encoder) +
-			       sizeof(struct intel_hdmi_priv), 1, GFP_KERNEL);
-	if (!intel_encoder)
+	intel_hdmi = kzalloc(sizeof(struct intel_hdmi), GFP_KERNEL);
+	if (!intel_hdmi)
 		return;
 
 	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
 	if (!intel_connector) {
-		kfree(intel_encoder);
+		kfree(intel_hdmi);
 		return;
 	}
 
-	hdmi_priv = (struct intel_hdmi_priv *)(intel_encoder + 1);
-
+	intel_encoder = &intel_hdmi->base;
 	connector = &intel_connector->base;
 	drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
 			   DRM_MODE_CONNECTOR_HDMIA);
@@ -274,8 +264,7 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 	if (!intel_encoder->ddc_bus)
 		goto err_connector;
 
-	hdmi_priv->sdvox_reg = sdvox_reg;
-	intel_encoder->dev_priv = hdmi_priv;
+	intel_hdmi->sdvox_reg = sdvox_reg;
 
 	drm_encoder_init(dev, &intel_encoder->enc, &intel_hdmi_enc_funcs,
 			 DRM_MODE_ENCODER_TMDS);
@@ -298,7 +287,7 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 
 err_connector:
 	drm_connector_cleanup(connector);
-	kfree(intel_encoder);
+	kfree(intel_hdmi);
 	kfree(intel_connector);
 
 	return;

drivers/gpu/drm/i915/intel_lvds.c

@@ -41,12 +41,18 @@
 #include <linux/acpi.h>
 
 /* Private structure for the integrated LVDS support */
-struct intel_lvds_priv {
+struct intel_lvds {
+	struct intel_encoder base;
 	int fitting_mode;
 	u32 pfit_control;
 	u32 pfit_pgm_ratios;
 };
 
+static struct intel_lvds *enc_to_intel_lvds(struct drm_encoder *encoder)
+{
+	return container_of(enc_to_intel_encoder(encoder), struct intel_lvds, base);
+}
+
 /**
  * Sets the backlight level.
  *
@@ -219,9 +225,8 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(encoder->crtc);
+	struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
 	struct drm_encoder *tmp_encoder;
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_lvds_priv *lvds_priv = intel_encoder->dev_priv;
 	u32 pfit_control = 0, pfit_pgm_ratios = 0, border = 0;
 
 	/* Should never happen!! */
@@ -293,7 +298,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
 		I915_WRITE(BCLRPAT_B, 0);
 	}
 
-	switch (lvds_priv->fitting_mode) {
+	switch (intel_lvds->fitting_mode) {
 	case DRM_MODE_SCALE_CENTER:
 		/*
 		 * For centered modes, we have to calculate border widths &
@@ -378,8 +383,8 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
 	}
 
 out:
-	lvds_priv->pfit_control = pfit_control;
-	lvds_priv->pfit_pgm_ratios = pfit_pgm_ratios;
+	intel_lvds->pfit_control = pfit_control;
+	intel_lvds->pfit_pgm_ratios = pfit_pgm_ratios;
 	dev_priv->lvds_border_bits = border;
 
 	/*
@@ -427,8 +432,7 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
 {
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_lvds_priv *lvds_priv = intel_encoder->dev_priv;
+	struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
 
 	/*
 	 * The LVDS pin pair will already have been turned on in the
@@ -444,8 +448,8 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
 	 * screen.  Should be enabled before the pipe is enabled, according to
 	 * register description and PRM.
 	 */
-	I915_WRITE(PFIT_PGM_RATIOS, lvds_priv->pfit_pgm_ratios);
-	I915_WRITE(PFIT_CONTROL, lvds_priv->pfit_control);
+	I915_WRITE(PFIT_PGM_RATIOS, intel_lvds->pfit_pgm_ratios);
+	I915_WRITE(PFIT_CONTROL, intel_lvds->pfit_control);
 }
 
 /**
@@ -600,18 +604,17 @@ static int intel_lvds_set_property(struct drm_connector *connector,
 				connector->encoder) {
 		struct drm_crtc *crtc = connector->encoder->crtc;
 		struct drm_encoder *encoder = connector->encoder;
-		struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-		struct intel_lvds_priv *lvds_priv = intel_encoder->dev_priv;
+		struct intel_lvds *intel_lvds = enc_to_intel_lvds(encoder);
 
 		if (value == DRM_MODE_SCALE_NONE) {
 			DRM_DEBUG_KMS("no scaling not supported\n");
 			return 0;
 		}
-		if (lvds_priv->fitting_mode == value) {
+		if (intel_lvds->fitting_mode == value) {
 			/* the LVDS scaling property is not changed */
 			return 0;
 		}
-		lvds_priv->fitting_mode = value;
+		intel_lvds->fitting_mode = value;
 		if (crtc && crtc->enabled) {
 			/*
 			 * If the CRTC is enabled, the display will be changed
@@ -647,19 +650,8 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = {
 	.destroy = intel_lvds_destroy,
 };
 
-
-static void intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
-	if (intel_encoder->ddc_bus)
-		intel_i2c_destroy(intel_encoder->ddc_bus);
-	drm_encoder_cleanup(encoder);
-	kfree(intel_encoder);
-}
-
 static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
-	.destroy = intel_lvds_enc_destroy,
+	.destroy = intel_encoder_destroy,
 };
 
 static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
@@ -843,13 +835,13 @@ static int lvds_is_present_in_vbt(struct drm_device *dev)
 void intel_lvds_init(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_lvds *intel_lvds;
 	struct intel_encoder *intel_encoder;
 	struct intel_connector *intel_connector;
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
 	struct drm_display_mode *scan; /* *modes, *bios_mode; */
 	struct drm_crtc *crtc;
-	struct intel_lvds_priv *lvds_priv;
 	u32 lvds;
 	int pipe, gpio = GPIOC;
 
@@ -872,20 +864,20 @@ void intel_lvds_init(struct drm_device *dev)
 		gpio = PCH_GPIOC;
 	}
 
-	intel_encoder = kzalloc(sizeof(struct intel_encoder) +
-				sizeof(struct intel_lvds_priv), GFP_KERNEL);
-	if (!intel_encoder) {
+	intel_lvds = kzalloc(sizeof(struct intel_lvds), GFP_KERNEL);
+	if (!intel_lvds) {
 		return;
 	}
 
 	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
 	if (!intel_connector) {
-		kfree(intel_encoder);
+		kfree(intel_lvds);
 		return;
 	}
 
-	connector = &intel_connector->base;
+	intel_encoder = &intel_lvds->base;
 	encoder = &intel_encoder->enc;
+	connector = &intel_connector->base;
 	drm_connector_init(dev, &intel_connector->base, &intel_lvds_connector_funcs,
 			   DRM_MODE_CONNECTOR_LVDS);
 
@@ -905,8 +897,6 @@ void intel_lvds_init(struct drm_device *dev)
 	connector->interlace_allowed = false;
 	connector->doublescan_allowed = false;
 
-	lvds_priv = (struct intel_lvds_priv *)(intel_encoder + 1);
-	intel_encoder->dev_priv = lvds_priv;
 	/* create the scaling mode property */
 	drm_mode_create_scaling_mode_property(dev);
 	/*
@@ -916,7 +906,7 @@ void intel_lvds_init(struct drm_device *dev)
 	drm_connector_attach_property(&intel_connector->base,
 				      dev->mode_config.scaling_mode_property,
 				      DRM_MODE_SCALE_ASPECT);
-	lvds_priv->fitting_mode = DRM_MODE_SCALE_ASPECT;
+	intel_lvds->fitting_mode = DRM_MODE_SCALE_ASPECT;
 	/*
 	 * LVDS discovery:
 	 * 1) check for EDID on DDC
@@ -1024,6 +1014,6 @@ failed:
 		intel_i2c_destroy(intel_encoder->ddc_bus);
 	drm_connector_cleanup(connector);
 	drm_encoder_cleanup(encoder);
-	kfree(intel_encoder);
+	kfree(intel_lvds);
 	kfree(intel_connector);
 }

drivers/gpu/drm/i915/intel_tv.c

@@ -44,7 +44,9 @@ enum tv_margin {
 };
 
 /** Private structure for the integrated TV support */
-struct intel_tv_priv {
+struct intel_tv {
+	struct intel_encoder base;
+
 	int type;
 	char *tv_format;
 	int margin[4];
@@ -896,6 +898,11 @@ static const struct tv_mode tv_modes[] = {
 	},
 };
 
+static struct intel_tv *enc_to_intel_tv(struct drm_encoder *encoder)
+{
+	return container_of(enc_to_intel_encoder(encoder), struct intel_tv, base);
+}
+
 static void
 intel_tv_dpms(struct drm_encoder *encoder, int mode)
 {
@@ -929,19 +936,17 @@ intel_tv_mode_lookup (char *tv_format)
 }
 
 static const struct tv_mode *
-intel_tv_mode_find (struct intel_encoder *intel_encoder)
+intel_tv_mode_find (struct intel_tv *intel_tv)
 {
-	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
-
-	return intel_tv_mode_lookup(tv_priv->tv_format);
+	return intel_tv_mode_lookup(intel_tv->tv_format);
 }
 
 static enum drm_mode_status
 intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
+	struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 
 	/* Ensure TV refresh is close to desired refresh */
 	if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode) * 1000)
@@ -957,8 +962,8 @@ intel_tv_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
 {
 	struct drm_device *dev = encoder->dev;
 	struct drm_mode_config *drm_config = &dev->mode_config;
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	const struct tv_mode *tv_mode = intel_tv_mode_find (intel_encoder);
+	struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 	struct drm_encoder *other_encoder;
 
 	if (!tv_mode)
@@ -983,9 +988,8 @@ intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_crtc *crtc = encoder->crtc;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
-	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
+	struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 	u32 tv_ctl;
 	u32 hctl1, hctl2, hctl3;
 	u32 vctl1, vctl2, vctl3, vctl4, vctl5, vctl6, vctl7;
@@ -1001,7 +1005,7 @@ intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 	tv_ctl = I915_READ(TV_CTL);
 	tv_ctl &= TV_CTL_SAVE;
 
-	switch (tv_priv->type) {
+	switch (intel_tv->type) {
 	default:
 	case DRM_MODE_CONNECTOR_Unknown:
 	case DRM_MODE_CONNECTOR_Composite:
@@ -1168,12 +1172,12 @@ intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 		else
 			ysize = 2*tv_mode->nbr_end + 1;
 
-		xpos += tv_priv->margin[TV_MARGIN_LEFT];
-		ypos += tv_priv->margin[TV_MARGIN_TOP];
-		xsize -= (tv_priv->margin[TV_MARGIN_LEFT] +
-			  tv_priv->margin[TV_MARGIN_RIGHT]);
-		ysize -= (tv_priv->margin[TV_MARGIN_TOP] +
-			  tv_priv->margin[TV_MARGIN_BOTTOM]);
+		xpos += intel_tv->margin[TV_MARGIN_LEFT];
+		ypos += intel_tv->margin[TV_MARGIN_TOP];
+		xsize -= (intel_tv->margin[TV_MARGIN_LEFT] +
+			  intel_tv->margin[TV_MARGIN_RIGHT]);
+		ysize -= (intel_tv->margin[TV_MARGIN_TOP] +
+			  intel_tv->margin[TV_MARGIN_BOTTOM]);
 		I915_WRITE(TV_WIN_POS, (xpos<<16)|ypos);
 		I915_WRITE(TV_WIN_SIZE, (xsize<<16)|ysize);
 
@@ -1222,9 +1226,9 @@ static const struct drm_display_mode reported_modes[] = {
  * \return false if TV is disconnected.
  */
 static int
-intel_tv_detect_type (struct drm_crtc *crtc, struct intel_encoder *intel_encoder)
+intel_tv_detect_type (struct intel_tv *intel_tv)
 {
-	struct drm_encoder *encoder = &intel_encoder->enc;
+	struct drm_encoder *encoder = &intel_tv->base.enc;
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	unsigned long irqflags;
@@ -1304,12 +1308,11 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_encoder *intel_encoder
 static void intel_tv_find_better_format(struct drm_connector *connector)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
-	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
+	struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 	int i;
 
-	if ((tv_priv->type == DRM_MODE_CONNECTOR_Component) ==
+	if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
 		tv_mode->component_only)
 		return;
 
@@ -1317,12 +1320,12 @@ static void intel_tv_find_better_format(struct drm_connector *connector)
 	for (i = 0; i < sizeof(tv_modes) / sizeof(*tv_modes); i++) {
 		tv_mode = tv_modes + i;
 
-		if ((tv_priv->type == DRM_MODE_CONNECTOR_Component) ==
+		if ((intel_tv->type == DRM_MODE_CONNECTOR_Component) ==
 			tv_mode->component_only)
 			break;
 	}
 
-	tv_priv->tv_format = tv_mode->name;
+	intel_tv->tv_format = tv_mode->name;
 	drm_connector_property_set_value(connector,
 		connector->dev->mode_config.tv_mode_property, i);
 }
@@ -1336,31 +1339,31 @@ static void intel_tv_find_better_format(struct drm_connector *connector)
 static enum drm_connector_status
 intel_tv_detect(struct drm_connector *connector)
 {
-	struct drm_crtc *crtc;
 	struct drm_display_mode mode;
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
-	int dpms_mode;
-	int type = tv_priv->type;
+	struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+	int type;
 
 	mode = reported_modes[0];
 	drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V);
 
 	if (encoder->crtc && encoder->crtc->enabled) {
-		type = intel_tv_detect_type(encoder->crtc, intel_encoder);
+		type = intel_tv_detect_type(intel_tv);
 	} else {
-		crtc = intel_get_load_detect_pipe(intel_encoder, connector,
+		struct drm_crtc *crtc;
+		int dpms_mode;
+
+		crtc = intel_get_load_detect_pipe(&intel_tv->base, connector,
 						  &mode, &dpms_mode);
 		if (crtc) {
-			type = intel_tv_detect_type(crtc, intel_encoder);
-			intel_release_load_detect_pipe(intel_encoder, connector,
+			type = intel_tv_detect_type(intel_tv);
+			intel_release_load_detect_pipe(&intel_tv->base, connector,
 						       dpms_mode);
 		} else
 			type = -1;
 	}
 
-	tv_priv->type = type;
+	intel_tv->type = type;
 
 	if (type < 0)
 		return connector_status_disconnected;
@@ -1391,8 +1394,8 @@ intel_tv_chose_preferred_modes(struct drm_connector *connector,
 			       struct drm_display_mode *mode_ptr)
 {
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
+	struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 
 	if (tv_mode->nbr_end < 480 && mode_ptr->vdisplay == 480)
 		mode_ptr->type |= DRM_MODE_TYPE_PREFERRED;
@@ -1417,8 +1420,8 @@ intel_tv_get_modes(struct drm_connector *connector)
 {
 	struct drm_display_mode *mode_ptr;
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_encoder);
+	struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
+	const struct tv_mode *tv_mode = intel_tv_mode_find(intel_tv);
 	int j, count = 0;
 	u64 tmp;
 
@@ -1483,8 +1486,7 @@ intel_tv_set_property(struct drm_connector *connector, struct drm_property *prop
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_encoder *encoder = intel_attached_encoder(connector);
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-	struct intel_tv_priv *tv_priv = intel_encoder->dev_priv;
+	struct intel_tv *intel_tv = enc_to_intel_tv(encoder);
 	struct drm_crtc *crtc = encoder->crtc;
 	int ret = 0;
 	bool changed = false;
@@ -1494,30 +1496,30 @@ intel_tv_set_property(struct drm_connector *connector, struct drm_property *prop
 		goto out;
 
 	if (property == dev->mode_config.tv_left_margin_property &&
-		tv_priv->margin[TV_MARGIN_LEFT] != val) {
-		tv_priv->margin[TV_MARGIN_LEFT] = val;
+		intel_tv->margin[TV_MARGIN_LEFT] != val) {
+		intel_tv->margin[TV_MARGIN_LEFT] = val;
 		changed = true;
 	} else if (property == dev->mode_config.tv_right_margin_property &&
-		tv_priv->margin[TV_MARGIN_RIGHT] != val) {
-		tv_priv->margin[TV_MARGIN_RIGHT] = val;
+		intel_tv->margin[TV_MARGIN_RIGHT] != val) {
+		intel_tv->margin[TV_MARGIN_RIGHT] = val;
 		changed = true;
 	} else if (property == dev->mode_config.tv_top_margin_property &&
-		tv_priv->margin[TV_MARGIN_TOP] != val) {
-		tv_priv->margin[TV_MARGIN_TOP] = val;
+		intel_tv->margin[TV_MARGIN_TOP] != val) {
+		intel_tv->margin[TV_MARGIN_TOP] = val;
 		changed = true;
 	} else if (property == dev->mode_config.tv_bottom_margin_property &&
-		tv_priv->margin[TV_MARGIN_BOTTOM] != val) {
-		tv_priv->margin[TV_MARGIN_BOTTOM] = val;
+		intel_tv->margin[TV_MARGIN_BOTTOM] != val) {
+		intel_tv->margin[TV_MARGIN_BOTTOM] = val;
 		changed = true;
 	} else if (property == dev->mode_config.tv_mode_property) {
 		if (val >= ARRAY_SIZE(tv_modes)) {
 			ret = -EINVAL;
 			goto out;
 		}
-		if (!strcmp(tv_priv->tv_format, tv_modes[val].name))
+		if (!strcmp(intel_tv->tv_format, tv_modes[val].name))
 			goto out;
 
-		tv_priv->tv_format = tv_modes[val].name;
+		intel_tv->tv_format = tv_modes[val].name;
 		changed = true;
 	} else {
 		ret = -EINVAL;
@@ -1553,16 +1555,8 @@ static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs =
 	.best_encoder = intel_attached_encoder,
 };
 
-static void intel_tv_enc_destroy(struct drm_encoder *encoder)
-{
-	struct intel_encoder *intel_encoder = enc_to_intel_encoder(encoder);
-
-	drm_encoder_cleanup(encoder);
-	kfree(intel_encoder);
-}
-
 static const struct drm_encoder_funcs intel_tv_enc_funcs = {
-	.destroy = intel_tv_enc_destroy,
+	.destroy = intel_encoder_destroy,
 };
 
 /*
@@ -1606,9 +1600,9 @@ intel_tv_init(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_connector *connector;
+	struct intel_tv *intel_tv;
 	struct intel_encoder *intel_encoder;
 	struct intel_connector *intel_connector;
-	struct intel_tv_priv *tv_priv;
 	u32 tv_dac_on, tv_dac_off, save_tv_dac;
 	char **tv_format_names;
 	int i, initial_mode = 0;
@@ -1647,18 +1641,18 @@ intel_tv_init(struct drm_device *dev)
 	    (tv_dac_off & TVDAC_STATE_CHG_EN) != 0)
 		return;
 
-	intel_encoder = kzalloc(sizeof(struct intel_encoder) +
-			       sizeof(struct intel_tv_priv), GFP_KERNEL);
-	if (!intel_encoder) {
+	intel_tv = kzalloc(sizeof(struct intel_tv), GFP_KERNEL);
+	if (!intel_tv) {
 		return;
 	}
 
 	intel_connector = kzalloc(sizeof(struct intel_connector), GFP_KERNEL);
 	if (!intel_connector) {
-		kfree(intel_encoder);
+		kfree(intel_tv);
 		return;
 	}
 
+	intel_encoder = &intel_tv->base;
 	connector = &intel_connector->base;
 
 	drm_connector_init(dev, connector, &intel_tv_connector_funcs,
@@ -1668,22 +1662,20 @@ intel_tv_init(struct drm_device *dev)
 			 DRM_MODE_ENCODER_TVDAC);
 
 	drm_mode_connector_attach_encoder(&intel_connector->base, &intel_encoder->enc);
-	tv_priv = (struct intel_tv_priv *)(intel_encoder + 1);
 	intel_encoder->type = INTEL_OUTPUT_TVOUT;
 	intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
 	intel_encoder->clone_mask = (1 << INTEL_TV_CLONE_BIT);
 	intel_encoder->enc.possible_crtcs = ((1 << 0) | (1 << 1));
 	intel_encoder->enc.possible_clones = (1 << INTEL_OUTPUT_TVOUT);
-	intel_encoder->dev_priv = tv_priv;
-	tv_priv->type = DRM_MODE_CONNECTOR_Unknown;
+	intel_tv->type = DRM_MODE_CONNECTOR_Unknown;
 
 	/* BIOS margin values */
-	tv_priv->margin[TV_MARGIN_LEFT] = 54;
-	tv_priv->margin[TV_MARGIN_TOP] = 36;
-	tv_priv->margin[TV_MARGIN_RIGHT] = 46;
-	tv_priv->margin[TV_MARGIN_BOTTOM] = 37;
+	intel_tv->margin[TV_MARGIN_LEFT] = 54;
+	intel_tv->margin[TV_MARGIN_TOP] = 36;
+	intel_tv->margin[TV_MARGIN_RIGHT] = 46;
+	intel_tv->margin[TV_MARGIN_BOTTOM] = 37;
 
-	tv_priv->tv_format = kstrdup(tv_modes[initial_mode].name, GFP_KERNEL);
+	intel_tv->tv_format = kstrdup(tv_modes[initial_mode].name, GFP_KERNEL);
 
 	drm_encoder_helper_add(&intel_encoder->enc, &intel_tv_helper_funcs);
 	drm_connector_helper_add(connector, &intel_tv_connector_helper_funcs);
@@ -1703,16 +1695,16 @@ intel_tv_init(struct drm_device *dev)
 				   initial_mode);
 	drm_connector_attach_property(connector,
 				   dev->mode_config.tv_left_margin_property,
-				   tv_priv->margin[TV_MARGIN_LEFT]);
+				   intel_tv->margin[TV_MARGIN_LEFT]);
 	drm_connector_attach_property(connector,
 				   dev->mode_config.tv_top_margin_property,
-				   tv_priv->margin[TV_MARGIN_TOP]);
+				   intel_tv->margin[TV_MARGIN_TOP]);
 	drm_connector_attach_property(connector,
 				   dev->mode_config.tv_right_margin_property,
-				   tv_priv->margin[TV_MARGIN_RIGHT]);
+				   intel_tv->margin[TV_MARGIN_RIGHT]);
 	drm_connector_attach_property(connector,
 				   dev->mode_config.tv_bottom_margin_property,
-				   tv_priv->margin[TV_MARGIN_BOTTOM]);
+				   intel_tv->margin[TV_MARGIN_BOTTOM]);
 out:
 	drm_sysfs_connector_add(connector);
 }