Merge drm/drm-next into drm-intel-next

Get the dependencies for merging drm-privacy-screen support.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

1 files changed, 424 insertions, 71 deletions

diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 1a871f6b6822..2346dbcc505f 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -32,6 +32,8 @@
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>
 
+#include <media/v4l2-fwnode.h>
+#include <sound/hdmi-codec.h>
 #include <video/display_timing.h>
 
 #include "anx7625.h"
@@ -166,6 +168,20 @@ static int anx7625_write_and_or(struct anx7625_data *ctx,
 				 offset, (val & and_mask) | (or_mask));
 }
 
+static int anx7625_config_bit_matrix(struct anx7625_data *ctx)
+{
+	int i, ret;
+
+	ret = anx7625_write_or(ctx, ctx->i2c.tx_p2_client,
+			       AUDIO_CONTROL_REGISTER, 0x80);
+	for (i = 0; i < 13; i++)
+		ret |= anx7625_reg_write(ctx, ctx->i2c.tx_p2_client,
+					 VIDEO_BIT_MATRIX_12 + i,
+					 0x18 + i);
+
+	return ret;
+}
+
 static int anx7625_read_ctrl_status_p0(struct anx7625_data *ctx)
 {
 	return anx7625_reg_read(ctx, ctx->i2c.rx_p0_client, AP_AUX_CTRL_STATUS);
@@ -191,10 +207,10 @@ static int wait_aux_op_finish(struct anx7625_data *ctx)
 			       AP_AUX_CTRL_STATUS);
 	if (val < 0 || (val & 0x0F)) {
 		DRM_DEV_ERROR(dev, "aux status %02x\n", val);
-		val = -EIO;
+		return -EIO;
 	}
 
-	return val;
+	return 0;
 }
 
 static int anx7625_video_mute_control(struct anx7625_data *ctx,
@@ -221,38 +237,6 @@ static int anx7625_video_mute_control(struct anx7625_data *ctx,
 	return ret;
 }
 
-static int anx7625_config_audio_input(struct anx7625_data *ctx)
-{
-	struct device *dev = &ctx->client->dev;
-	int ret;
-
-	/* Channel num */
-	ret = anx7625_reg_write(ctx, ctx->i2c.tx_p2_client,
-				AUDIO_CHANNEL_STATUS_6, I2S_CH_2 << 5);
-
-	/* FS */
-	ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
-				    AUDIO_CHANNEL_STATUS_4,
-				    0xf0, AUDIO_FS_48K);
-	/* Word length */
-	ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
-				    AUDIO_CHANNEL_STATUS_5,
-				    0xf0, AUDIO_W_LEN_24_24MAX);
-	/* I2S */
-	ret |= anx7625_write_or(ctx, ctx->i2c.tx_p2_client,
-				AUDIO_CHANNEL_STATUS_6, I2S_SLAVE_MODE);
-	ret |= anx7625_write_and(ctx, ctx->i2c.tx_p2_client,
-				 AUDIO_CONTROL_REGISTER, ~TDM_TIMING_MODE);
-	/* Audio change flag */
-	ret |= anx7625_write_or(ctx, ctx->i2c.rx_p0_client,
-				AP_AV_STATUS, AP_AUDIO_CHG);
-
-	if (ret < 0)
-		DRM_DEV_ERROR(dev, "fail to config audio.\n");
-
-	return ret;
-}
-
 /* Reduction of fraction a/b */
 static void anx7625_reduction_of_a_fraction(unsigned long *a, unsigned long *b)
 {
@@ -431,7 +415,7 @@ static int anx7625_dsi_video_timing_config(struct anx7625_data *ctx)
 	ret |= anx7625_write_and(ctx, ctx->i2c.rx_p1_client,
 			MIPI_LANE_CTRL_0, 0xfc);
 	ret |= anx7625_write_or(ctx, ctx->i2c.rx_p1_client,
-				MIPI_LANE_CTRL_0, 3);
+				MIPI_LANE_CTRL_0, ctx->pdata.mipi_lanes - 1);
 
 	/* Htotal */
 	htotal = ctx->dt.hactive.min + ctx->dt.hfront_porch.min +
@@ -615,6 +599,76 @@ static int anx7625_dsi_config(struct anx7625_data *ctx)
 	return ret;
 }
 
+static int anx7625_api_dpi_config(struct anx7625_data *ctx)
+{
+	struct device *dev = &ctx->client->dev;
+	u16 freq = ctx->dt.pixelclock.min / 1000;
+	int ret;
+
+	/* configure pixel clock */
+	ret = anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
+				PIXEL_CLOCK_L, freq & 0xFF);
+	ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p0_client,
+				 PIXEL_CLOCK_H, (freq >> 8));
+
+	/* set DPI mode */
+	/* set to DPI PLL module sel */
+	ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p1_client,
+				 MIPI_DIGITAL_PLL_9, 0x20);
+	/* power down MIPI */
+	ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p1_client,
+				 MIPI_LANE_CTRL_10, 0x08);
+	/* enable DPI mode */
+	ret |= anx7625_reg_write(ctx, ctx->i2c.rx_p1_client,
+				 MIPI_DIGITAL_PLL_18, 0x1C);
+	/* set first edge */
+	ret |= anx7625_reg_write(ctx, ctx->i2c.tx_p2_client,
+				 VIDEO_CONTROL_0, 0x06);
+	if (ret < 0)
+		DRM_DEV_ERROR(dev, "IO error : dpi phy set failed.\n");
+
+	return ret;
+}
+
+static int anx7625_dpi_config(struct anx7625_data *ctx)
+{
+	struct device *dev = &ctx->client->dev;
+	int ret;
+
+	DRM_DEV_DEBUG_DRIVER(dev, "config dpi\n");
+
+	/* DSC disable */
+	ret = anx7625_write_and(ctx, ctx->i2c.rx_p0_client,
+				R_DSC_CTRL_0, ~DSC_EN);
+	if (ret < 0) {
+		DRM_DEV_ERROR(dev, "IO error : disable dsc failed.\n");
+		return ret;
+	}
+
+	ret = anx7625_config_bit_matrix(ctx);
+	if (ret < 0) {
+		DRM_DEV_ERROR(dev, "config bit matrix failed.\n");
+		return ret;
+	}
+
+	ret = anx7625_api_dpi_config(ctx);
+	if (ret < 0) {
+		DRM_DEV_ERROR(dev, "mipi phy(dpi) setup failed.\n");
+		return ret;
+	}
+
+	/* set MIPI RX EN */
+	ret = anx7625_write_or(ctx, ctx->i2c.rx_p0_client,
+			       AP_AV_STATUS, AP_MIPI_RX_EN);
+	/* clear mute flag */
+	ret |= anx7625_write_and(ctx, ctx->i2c.rx_p0_client,
+				 AP_AV_STATUS, (u8)~AP_MIPI_MUTE);
+	if (ret < 0)
+		DRM_DEV_ERROR(dev, "IO error : enable mipi rx failed.\n");
+
+	return ret;
+}
+
 static void anx7625_dp_start(struct anx7625_data *ctx)
 {
 	int ret;
@@ -625,9 +679,10 @@ static void anx7625_dp_start(struct anx7625_data *ctx)
 		return;
 	}
 
-	anx7625_config_audio_input(ctx);
-
-	ret = anx7625_dsi_config(ctx);
+	if (ctx->pdata.is_dpi)
+		ret = anx7625_dpi_config(ctx);
+	else
+		ret = anx7625_dsi_config(ctx);
 
 	if (ret < 0)
 		DRM_DEV_ERROR(dev, "MIPI phy setup error.\n");
@@ -795,7 +850,7 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
 	int count, blocks_num;
 	u8 pblock_buf[MAX_DPCD_BUFFER_SIZE];
 	u8 i, j;
-	u8 g_edid_break = 0;
+	int g_edid_break = 0;
 	int ret;
 	struct device *dev = &ctx->client->dev;
 
@@ -826,7 +881,7 @@ static int sp_tx_edid_read(struct anx7625_data *ctx,
 				g_edid_break = edid_read(ctx, offset,
 							 pblock_buf);
 
-				if (g_edid_break)
+				if (g_edid_break < 0)
 					break;
 
 				memcpy(&pedid_blocks_buf[offset],
@@ -1075,6 +1130,7 @@ static void anx7625_start_dp_work(struct anx7625_data *ctx)
 		return;
 	}
 
+	ctx->hpd_status = 1;
 	ctx->hpd_high_cnt++;
 
 	/* Not support HDCP */
@@ -1084,8 +1140,10 @@ static void anx7625_start_dp_work(struct anx7625_data *ctx)
 	ret |= anx7625_write_or(ctx, ctx->i2c.rx_p1_client, 0xec, 0x10);
 	/* Interrupt for DRM */
 	ret |= anx7625_write_or(ctx, ctx->i2c.rx_p1_client, 0xff, 0x01);
-	if (ret < 0)
+	if (ret < 0) {
+		DRM_DEV_ERROR(dev, "fail to setting HDCP/auth\n");
 		return;
+	}
 
 	ret = anx7625_reg_read(ctx, ctx->i2c.rx_p1_client, 0x86);
 	if (ret < 0)
@@ -1104,6 +1162,10 @@ static void anx7625_hpd_polling(struct anx7625_data *ctx)
 	int ret, val;
 	struct device *dev = &ctx->client->dev;
 
+	/* Interrupt mode, no need poll HPD status, just return */
+	if (ctx->pdata.intp_irq)
+		return;
+
 	ret = readx_poll_timeout(anx7625_read_hpd_status_p0,
 				 ctx, val,
 				 ((val & HPD_STATUS) || (val < 0)),
@@ -1131,6 +1193,21 @@ static void anx7625_remove_edid(struct anx7625_data *ctx)
 	ctx->slimport_edid_p.edid_block_num = -1;
 }
 
+static void anx7625_dp_adjust_swing(struct anx7625_data *ctx)
+{
+	int i;
+
+	for (i = 0; i < ctx->pdata.dp_lane0_swing_reg_cnt; i++)
+		anx7625_reg_write(ctx, ctx->i2c.tx_p1_client,
+				  DP_TX_LANE0_SWING_REG0 + i,
+				  ctx->pdata.lane0_reg_data[i] & 0xFF);
+
+	for (i = 0; i < ctx->pdata.dp_lane1_swing_reg_cnt; i++)
+		anx7625_reg_write(ctx, ctx->i2c.tx_p1_client,
+				  DP_TX_LANE1_SWING_REG0 + i,
+				  ctx->pdata.lane1_reg_data[i] & 0xFF);
+}
+
 static void dp_hpd_change_handler(struct anx7625_data *ctx, bool on)
 {
 	struct device *dev = &ctx->client->dev;
@@ -1146,9 +1223,8 @@ static void dp_hpd_change_handler(struct anx7625_data *ctx, bool on)
 	} else {
 		DRM_DEV_DEBUG_DRIVER(dev, " HPD high\n");
 		anx7625_start_dp_work(ctx);
+		anx7625_dp_adjust_swing(ctx);
 	}
-
-	ctx->hpd_status = 1;
 }
 
 static int anx7625_hpd_change_detect(struct anx7625_data *ctx)
@@ -1225,20 +1301,75 @@ static irqreturn_t anx7625_intr_hpd_isr(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
+static int anx7625_get_swing_setting(struct device *dev,
+				     struct anx7625_platform_data *pdata)
+{
+	int num_regs;
+
+	if (of_get_property(dev->of_node,
+			    "analogix,lane0-swing", &num_regs)) {
+		if (num_regs > DP_TX_SWING_REG_CNT)
+			num_regs = DP_TX_SWING_REG_CNT;
+
+		pdata->dp_lane0_swing_reg_cnt = num_regs;
+		of_property_read_u32_array(dev->of_node, "analogix,lane0-swing",
+					   pdata->lane0_reg_data, num_regs);
+	}
+
+	if (of_get_property(dev->of_node,
+			    "analogix,lane1-swing", &num_regs)) {
+		if (num_regs > DP_TX_SWING_REG_CNT)
+			num_regs = DP_TX_SWING_REG_CNT;
+
+		pdata->dp_lane1_swing_reg_cnt = num_regs;
+		of_property_read_u32_array(dev->of_node, "analogix,lane1-swing",
+					   pdata->lane1_reg_data, num_regs);
+	}
+
+	return 0;
+}
+
 static int anx7625_parse_dt(struct device *dev,
 			    struct anx7625_platform_data *pdata)
 {
-	struct device_node *np = dev->of_node;
+	struct device_node *np = dev->of_node, *ep0;
 	struct drm_panel *panel;
 	int ret;
+	int bus_type, mipi_lanes;
+
+	anx7625_get_swing_setting(dev, pdata);
 
+	pdata->is_dpi = 1; /* default dpi mode */
 	pdata->mipi_host_node = of_graph_get_remote_node(np, 0, 0);
 	if (!pdata->mipi_host_node) {
 		DRM_DEV_ERROR(dev, "fail to get internal panel.\n");
 		return -ENODEV;
 	}
 
-	DRM_DEV_DEBUG_DRIVER(dev, "found dsi host node.\n");
+	bus_type = V4L2_FWNODE_BUS_TYPE_PARALLEL;
+	mipi_lanes = MAX_LANES_SUPPORT;
+	ep0 = of_graph_get_endpoint_by_regs(np, 0, 0);
+	if (ep0) {
+		if (of_property_read_u32(ep0, "bus-type", &bus_type))
+			bus_type = 0;
+
+		mipi_lanes = of_property_count_u32_elems(ep0, "data-lanes");
+	}
+
+	if (bus_type == V4L2_FWNODE_BUS_TYPE_PARALLEL) /* bus type is Parallel(DSI) */
+		pdata->is_dpi = 0;
+
+	pdata->mipi_lanes = mipi_lanes;
+	if (pdata->mipi_lanes > MAX_LANES_SUPPORT || pdata->mipi_lanes <= 0)
+		pdata->mipi_lanes = MAX_LANES_SUPPORT;
+
+	if (pdata->is_dpi)
+		DRM_DEV_DEBUG_DRIVER(dev, "found MIPI DPI host node.\n");
+	else
+		DRM_DEV_DEBUG_DRIVER(dev, "found MIPI DSI host node.\n");
+
+	if (of_property_read_bool(np, "analogix,audio-enable"))
+		pdata->audio_en = 1;
 
 	ret = drm_of_find_panel_or_bridge(np, 1, 0, &panel, NULL);
 	if (ret < 0) {
@@ -1301,9 +1432,215 @@ static enum drm_connector_status anx7625_sink_detect(struct anx7625_data *ctx)
 {
 	struct device *dev = &ctx->client->dev;
 
-	DRM_DEV_DEBUG_DRIVER(dev, "sink detect, return connected\n");
+	DRM_DEV_DEBUG_DRIVER(dev, "sink detect\n");
 
-	return connector_status_connected;
+	if (ctx->pdata.panel_bridge)
+		return connector_status_connected;
+
+	return ctx->hpd_status ? connector_status_connected :
+				     connector_status_disconnected;
+}
+
+static int anx7625_audio_hw_params(struct device *dev, void *data,
+				   struct hdmi_codec_daifmt *fmt,
+				   struct hdmi_codec_params *params)
+{
+	struct anx7625_data *ctx = dev_get_drvdata(dev);
+	int wl, ch, rate;
+	int ret = 0;
+
+	if (fmt->fmt != HDMI_DSP_A) {
+		DRM_DEV_ERROR(dev, "only supports DSP_A\n");
+		return -EINVAL;
+	}
+
+	DRM_DEV_DEBUG_DRIVER(dev, "setting %d Hz, %d bit, %d channels\n",
+			     params->sample_rate, params->sample_width,
+			     params->cea.channels);
+
+	ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
+				    AUDIO_CHANNEL_STATUS_6,
+				    ~I2S_SLAVE_MODE,
+				    TDM_SLAVE_MODE);
+
+	/* Word length */
+	switch (params->sample_width) {
+	case 16:
+		wl = AUDIO_W_LEN_16_20MAX;
+		break;
+	case 18:
+		wl = AUDIO_W_LEN_18_20MAX;
+		break;
+	case 20:
+		wl = AUDIO_W_LEN_20_20MAX;
+		break;
+	case 24:
+		wl = AUDIO_W_LEN_24_24MAX;
+		break;
+	default:
+		DRM_DEV_DEBUG_DRIVER(dev, "wordlength: %d bit not support",
+				     params->sample_width);
+		return -EINVAL;
+	}
+	ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
+				    AUDIO_CHANNEL_STATUS_5,
+				    0xf0, wl);
+
+	/* Channel num */
+	switch (params->cea.channels) {
+	case 2:
+		ch = I2S_CH_2;
+		break;
+	case 4:
+		ch = TDM_CH_4;
+		break;
+	case 6:
+		ch = TDM_CH_6;
+		break;
+	case 8:
+		ch = TDM_CH_8;
+		break;
+	default:
+		DRM_DEV_DEBUG_DRIVER(dev, "channel number: %d not support",
+				     params->cea.channels);
+		return -EINVAL;
+	}
+	ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
+			       AUDIO_CHANNEL_STATUS_6, 0x1f, ch << 5);
+	if (ch > I2S_CH_2)
+		ret |= anx7625_write_or(ctx, ctx->i2c.tx_p2_client,
+				AUDIO_CHANNEL_STATUS_6, AUDIO_LAYOUT);
+	else
+		ret |= anx7625_write_and(ctx, ctx->i2c.tx_p2_client,
+				AUDIO_CHANNEL_STATUS_6, ~AUDIO_LAYOUT);
+
+	/* FS */
+	switch (params->sample_rate) {
+	case 32000:
+		rate = AUDIO_FS_32K;
+		break;
+	case 44100:
+		rate = AUDIO_FS_441K;
+		break;
+	case 48000:
+		rate = AUDIO_FS_48K;
+		break;
+	case 88200:
+		rate = AUDIO_FS_882K;
+		break;
+	case 96000:
+		rate = AUDIO_FS_96K;
+		break;
+	case 176400:
+		rate = AUDIO_FS_1764K;
+		break;
+	case 192000:
+		rate = AUDIO_FS_192K;
+		break;
+	default:
+		DRM_DEV_DEBUG_DRIVER(dev, "sample rate: %d not support",
+				     params->sample_rate);
+		return -EINVAL;
+	}
+	ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
+				    AUDIO_CHANNEL_STATUS_4,
+				    0xf0, rate);
+	ret |= anx7625_write_or(ctx, ctx->i2c.rx_p0_client,
+				AP_AV_STATUS, AP_AUDIO_CHG);
+	if (ret < 0) {
+		DRM_DEV_ERROR(dev, "IO error : config audio.\n");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static void anx7625_audio_shutdown(struct device *dev, void *data)
+{
+	DRM_DEV_DEBUG_DRIVER(dev, "stop audio\n");
+}
+
+static int anx7625_hdmi_i2s_get_dai_id(struct snd_soc_component *component,
+				       struct device_node *endpoint)
+{
+	struct of_endpoint of_ep;
+	int ret;
+
+	ret = of_graph_parse_endpoint(endpoint, &of_ep);
+	if (ret < 0)
+		return ret;
+
+	/*
+	 * HDMI sound should be located at external DPI port
+	 * Didn't have good way to check where is internal(DSI)
+	 * or external(DPI) bridge
+	 */
+	return 0;
+}
+
+static void
+anx7625_audio_update_connector_status(struct anx7625_data *ctx,
+				      enum drm_connector_status status)
+{
+	if (ctx->plugged_cb && ctx->codec_dev) {
+		ctx->plugged_cb(ctx->codec_dev,
+				status == connector_status_connected);
+	}
+}
+
+static int anx7625_audio_hook_plugged_cb(struct device *dev, void *data,
+					 hdmi_codec_plugged_cb fn,
+					 struct device *codec_dev)
+{
+	struct anx7625_data *ctx = data;
+
+	ctx->plugged_cb = fn;
+	ctx->codec_dev = codec_dev;
+	anx7625_audio_update_connector_status(ctx, anx7625_sink_detect(ctx));
+
+	return 0;
+}
+
+static const struct hdmi_codec_ops anx7625_codec_ops = {
+	.hw_params	= anx7625_audio_hw_params,
+	.audio_shutdown = anx7625_audio_shutdown,
+	.get_dai_id	= anx7625_hdmi_i2s_get_dai_id,
+	.hook_plugged_cb = anx7625_audio_hook_plugged_cb,
+};
+
+static void anx7625_unregister_audio(struct anx7625_data *ctx)
+{
+	struct device *dev = &ctx->client->dev;
+
+	if (ctx->audio_pdev) {
+		platform_device_unregister(ctx->audio_pdev);
+		ctx->audio_pdev = NULL;
+	}
+
+	DRM_DEV_DEBUG_DRIVER(dev, "unbound to %s", HDMI_CODEC_DRV_NAME);
+}
+
+static int anx7625_register_audio(struct device *dev, struct anx7625_data *ctx)
+{
+	struct hdmi_codec_pdata codec_data = {
+		.ops = &anx7625_codec_ops,
+		.max_i2s_channels = 8,
+		.i2s = 1,
+		.data = ctx,
+	};
+
+	ctx->audio_pdev = platform_device_register_data(dev,
+							HDMI_CODEC_DRV_NAME,
+							PLATFORM_DEVID_AUTO,
+							&codec_data,
+							sizeof(codec_data));
+
+	if (IS_ERR(ctx->audio_pdev))
+		return PTR_ERR(ctx->audio_pdev);
+
+	DRM_DEV_DEBUG_DRIVER(dev, "bound to %s", HDMI_CODEC_DRV_NAME);
+
+	return 0;
 }
 
 static int anx7625_attach_dsi(struct anx7625_data *ctx)
@@ -1316,6 +1653,7 @@ static int anx7625_attach_dsi(struct anx7625_data *ctx)
 		.channel = 0,
 		.node = NULL,
 	};
+	int ret;
 
 	DRM_DEV_DEBUG_DRIVER(dev, "attach dsi\n");
 
@@ -1325,22 +1663,22 @@ static int anx7625_attach_dsi(struct anx7625_data *ctx)
 		return -EINVAL;
 	}
 
-	dsi = mipi_dsi_device_register_full(host, &info);
+	dsi = devm_mipi_dsi_device_register_full(dev, host, &info);
 	if (IS_ERR(dsi)) {
 		DRM_DEV_ERROR(dev, "fail to create dsi device.\n");
 		return -EINVAL;
 	}
 
-	dsi->lanes = 4;
+	dsi->lanes = ctx->pdata.mipi_lanes;
 	dsi->format = MIPI_DSI_FMT_RGB888;
 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO	|
 		MIPI_DSI_MODE_VIDEO_SYNC_PULSE	|
 		MIPI_DSI_MODE_VIDEO_HSE;
 
-	if (mipi_dsi_attach(dsi) < 0) {
+	ret = devm_mipi_dsi_attach(dev, dsi);
+	if (ret) {
 		DRM_DEV_ERROR(dev, "fail to attach dsi to host.\n");
-		mipi_dsi_device_unregister(dsi);
-		return -EINVAL;
+		return ret;
 	}
 
 	ctx->dsi = dsi;
@@ -1350,16 +1688,6 @@ static int anx7625_attach_dsi(struct anx7625_data *ctx)
 	return 0;
 }
 
-static void anx7625_bridge_detach(struct drm_bridge *bridge)
-{
-	struct anx7625_data *ctx = bridge_to_anx7625(bridge);
-
-	if (ctx->dsi) {
-		mipi_dsi_detach(ctx->dsi);
-		mipi_dsi_device_unregister(ctx->dsi);
-	}
-}
-
 static int anx7625_bridge_attach(struct drm_bridge *bridge,
 				 enum drm_bridge_attach_flags flags)
 {
@@ -1376,12 +1704,6 @@ static int anx7625_bridge_attach(struct drm_bridge *bridge,
 		return -ENODEV;
 	}
 
-	err = anx7625_attach_dsi(ctx);
-	if (err) {
-		DRM_DEV_ERROR(dev, "Fail to attach to dsi : %d\n", err);
-		return err;
-	}
-
 	if (ctx->pdata.panel_bridge) {
 		err = drm_bridge_attach(bridge->encoder,
 					ctx->pdata.panel_bridge,
@@ -1475,6 +1797,10 @@ static bool anx7625_bridge_mode_fixup(struct drm_bridge *bridge,
 
 	DRM_DEV_DEBUG_DRIVER(dev, "drm mode fixup set\n");
 
+	/* No need fixup for external monitor */
+	if (!ctx->pdata.panel_bridge)
+		return true;
+
 	hsync = mode->hsync_end - mode->hsync_start;
 	hfp = mode->hsync_start - mode->hdisplay;
 	hbp = mode->htotal - mode->hsync_end;
@@ -1624,7 +1950,6 @@ static struct edid *anx7625_bridge_get_edid(struct drm_bridge *bridge,
 
 static const struct drm_bridge_funcs anx7625_bridge_funcs = {
 	.attach = anx7625_bridge_attach,
-	.detach = anx7625_bridge_detach,
 	.disable = anx7625_bridge_disable,
 	.mode_valid = anx7625_bridge_mode_valid,
 	.mode_set = anx7625_bridge_mode_set,
@@ -1851,14 +2176,39 @@ static int anx7625_i2c_probe(struct i2c_client *client,
 
 	platform->bridge.funcs = &anx7625_bridge_funcs;
 	platform->bridge.of_node = client->dev.of_node;
-	platform->bridge.ops = DRM_BRIDGE_OP_EDID | DRM_BRIDGE_OP_HPD;
-	platform->bridge.type = DRM_MODE_CONNECTOR_eDP;
+	platform->bridge.ops = DRM_BRIDGE_OP_EDID;
+	if (!platform->pdata.panel_bridge)
+		platform->bridge.ops |= DRM_BRIDGE_OP_HPD |
+					DRM_BRIDGE_OP_DETECT;
+	platform->bridge.type = platform->pdata.panel_bridge ?
+				    DRM_MODE_CONNECTOR_eDP :
+				    DRM_MODE_CONNECTOR_DisplayPort;
+
 	drm_bridge_add(&platform->bridge);
 
+	if (!platform->pdata.is_dpi) {
+		ret = anx7625_attach_dsi(platform);
+		if (ret) {
+			DRM_DEV_ERROR(dev, "Fail to attach to dsi : %d\n", ret);
+			goto unregister_bridge;
+		}
+	}
+
+	if (platform->pdata.audio_en)
+		anx7625_register_audio(dev, platform);
+
 	DRM_DEV_DEBUG_DRIVER(dev, "probe done\n");
 
 	return 0;
 
+unregister_bridge:
+	drm_bridge_remove(&platform->bridge);
+
+	if (!platform->pdata.low_power_mode)
+		pm_runtime_put_sync_suspend(&client->dev);
+
+	anx7625_unregister_i2c_dummy_clients(platform);
+
 free_wq:
 	if (platform->workqueue)
 		destroy_workqueue(platform->workqueue);
@@ -1883,6 +2233,9 @@ static int anx7625_i2c_remove(struct i2c_client *client)
 
 	anx7625_unregister_i2c_dummy_clients(platform);
 
+	if (platform->pdata.audio_en)
+		anx7625_unregister_audio(platform);
+
 	kfree(platform);
 	return 0;
 }