Merge tag 'v4.15-rc1' into drm-misc-fixes

Linux 4.15-rc1

Pull in the merge window to resync. Dave didn't get his -fixes pull
landed in time, and now there's another rockchip fix pending, so
fast-forwarding isn't possible, hence backmerge.

Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

18 files changed, 839 insertions, 111 deletions

diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
index dcc539ba85d6..0ccc76217ee4 100644
--- a/drivers/gpu/drm/rockchip/Kconfig
+++ b/drivers/gpu/drm/rockchip/Kconfig
@@ -57,4 +57,13 @@ config ROCKCHIP_INNO_HDMI
 	  for the Innosilicon HDMI driver. If you want to enable
 	  HDMI on RK3036 based SoC, you should select this option.
 
+config ROCKCHIP_LVDS
+	bool "Rockchip LVDS support"
+	depends on DRM_ROCKCHIP
+	depends on PINCTRL && OF
+	help
+	  Choose this option to enable support for Rockchip LVDS controllers.
+	  Rockchip rk3288 SoC has LVDS TX Controller can be used, and it
+	  support LVDS, rgb, dual LVDS output mode. say Y to enable its
+	  driver.
 endif
diff --git a/drivers/gpu/drm/rockchip/Makefile b/drivers/gpu/drm/rockchip/Makefile
index fa8dc9d9aac2..a314e2109e76 100644
--- a/drivers/gpu/drm/rockchip/Makefile
+++ b/drivers/gpu/drm/rockchip/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 #
 # Makefile for the drm device driver.  This driver provides support for the
 # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
@@ -12,5 +13,6 @@ rockchipdrm-$(CONFIG_ROCKCHIP_CDN_DP) += cdn-dp-core.o cdn-dp-reg.o
 rockchipdrm-$(CONFIG_ROCKCHIP_DW_HDMI) += dw_hdmi-rockchip.o
 rockchipdrm-$(CONFIG_ROCKCHIP_DW_MIPI_DSI) += dw-mipi-dsi.o
 rockchipdrm-$(CONFIG_ROCKCHIP_INNO_HDMI) += inno_hdmi.o
+rockchipdrm-$(CONFIG_ROCKCHIP_LVDS) += rockchip_lvds.o
 
 obj-$(CONFIG_DRM_ROCKCHIP) += rockchipdrm.o
diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
index d8f72d87ef08..93b7102dd008 100644
--- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
+++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
@@ -87,7 +87,7 @@ static void analogix_dp_psr_set(struct drm_encoder *encoder, bool enabled)
 	if (!analogix_dp_psr_supported(dp->dev))
 		return;
 
-	dev_dbg(dp->dev, "%s PSR...\n", enabled ? "Entry" : "Exit");
+	DRM_DEV_DEBUG(dp->dev, "%s PSR...\n", enabled ? "Entry" : "Exit");
 
 	mutex_lock(&dp->psr_lock);
 	if (enabled)
@@ -108,7 +108,7 @@ static void analogix_dp_psr_work(struct work_struct *work)
 	ret = rockchip_drm_wait_vact_end(dp->encoder.crtc,
 					 PSR_WAIT_LINE_FLAG_TIMEOUT_MS);
 	if (ret) {
-		dev_err(dp->dev, "line flag interrupt did not arrive\n");
+		DRM_DEV_ERROR(dp->dev, "line flag interrupt did not arrive\n");
 		return;
 	}
 
@@ -138,13 +138,13 @@ static int rockchip_dp_poweron(struct analogix_dp_plat_data *plat_data)
 
 	ret = clk_prepare_enable(dp->pclk);
 	if (ret < 0) {
-		dev_err(dp->dev, "failed to enable pclk %d\n", ret);
+		DRM_DEV_ERROR(dp->dev, "failed to enable pclk %d\n", ret);
 		return ret;
 	}
 
 	ret = rockchip_dp_pre_init(dp);
 	if (ret < 0) {
-		dev_err(dp->dev, "failed to dp pre init %d\n", ret);
+		DRM_DEV_ERROR(dp->dev, "failed to dp pre init %d\n", ret);
 		clk_disable_unprepare(dp->pclk);
 		return ret;
 	}
@@ -209,17 +209,17 @@ static void rockchip_dp_drm_encoder_enable(struct drm_encoder *encoder)
 	else
 		val = dp->data->lcdsel_big;
 
-	dev_dbg(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG");
+	DRM_DEV_DEBUG(dp->dev, "vop %s output to dp\n", (ret) ? "LIT" : "BIG");
 
 	ret = clk_prepare_enable(dp->grfclk);
 	if (ret < 0) {
-		dev_err(dp->dev, "failed to enable grfclk %d\n", ret);
+		DRM_DEV_ERROR(dp->dev, "failed to enable grfclk %d\n", ret);
 		return;
 	}
 
 	ret = regmap_write(dp->grf, dp->data->lcdsel_grf_reg, val);
 	if (ret != 0)
-		dev_err(dp->dev, "Could not write to GRF: %d\n", ret);
+		DRM_DEV_ERROR(dp->dev, "Could not write to GRF: %d\n", ret);
 
 	clk_disable_unprepare(dp->grfclk);
 }
@@ -275,7 +275,7 @@ static int rockchip_dp_init(struct rockchip_dp_device *dp)
 
 	dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
 	if (IS_ERR(dp->grf)) {
-		dev_err(dev, "failed to get rockchip,grf property\n");
+		DRM_DEV_ERROR(dev, "failed to get rockchip,grf property\n");
 		return PTR_ERR(dp->grf);
 	}
 
@@ -285,31 +285,31 @@ static int rockchip_dp_init(struct rockchip_dp_device *dp)
 	} else if (PTR_ERR(dp->grfclk) == -EPROBE_DEFER) {
 		return -EPROBE_DEFER;
 	} else if (IS_ERR(dp->grfclk)) {
-		dev_err(dev, "failed to get grf clock\n");
+		DRM_DEV_ERROR(dev, "failed to get grf clock\n");
 		return PTR_ERR(dp->grfclk);
 	}
 
 	dp->pclk = devm_clk_get(dev, "pclk");
 	if (IS_ERR(dp->pclk)) {
-		dev_err(dev, "failed to get pclk property\n");
+		DRM_DEV_ERROR(dev, "failed to get pclk property\n");
 		return PTR_ERR(dp->pclk);
 	}
 
 	dp->rst = devm_reset_control_get(dev, "dp");
 	if (IS_ERR(dp->rst)) {
-		dev_err(dev, "failed to get dp reset control\n");
+		DRM_DEV_ERROR(dev, "failed to get dp reset control\n");
 		return PTR_ERR(dp->rst);
 	}
 
 	ret = clk_prepare_enable(dp->pclk);
 	if (ret < 0) {
-		dev_err(dp->dev, "failed to enable pclk %d\n", ret);
+		DRM_DEV_ERROR(dp->dev, "failed to enable pclk %d\n", ret);
 		return ret;
 	}
 
 	ret = rockchip_dp_pre_init(dp);
 	if (ret < 0) {
-		dev_err(dp->dev, "failed to pre init %d\n", ret);
+		DRM_DEV_ERROR(dp->dev, "failed to pre init %d\n", ret);
 		clk_disable_unprepare(dp->pclk);
 		return ret;
 	}
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index a57da051f516..275844d0d0ec 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -287,14 +287,6 @@ static int cdn_dp_connector_get_modes(struct drm_connector *connector)
 	return ret;
 }
 
-static struct drm_encoder *
-cdn_dp_connector_best_encoder(struct drm_connector *connector)
-{
-	struct cdn_dp_device *dp = connector_to_dp(connector);
-
-	return &dp->encoder;
-}
-
 static int cdn_dp_connector_mode_valid(struct drm_connector *connector,
 				       struct drm_display_mode *mode)
 {
@@ -346,7 +338,6 @@ static int cdn_dp_connector_mode_valid(struct drm_connector *connector,
 
 static struct drm_connector_helper_funcs cdn_dp_connector_helper_funcs = {
 	.get_modes = cdn_dp_connector_get_modes,
-	.best_encoder = cdn_dp_connector_best_encoder,
 	.mode_valid = cdn_dp_connector_mode_valid,
 };
 
diff --git a/drivers/gpu/drm/rockchip/cdn-dp-reg.c b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
index b14d211f6c21..eb3042c6d1b2 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-reg.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-reg.c
@@ -323,7 +323,7 @@ int cdn_dp_load_firmware(struct cdn_dp_device *dp, const u32 *i_mem,
 	reg = readl(dp->regs + VER_LIB_H_ADDR) & 0xff;
 	dp->fw_version |= reg << 24;
 
-	dev_dbg(dp->dev, "firmware version: %x\n", dp->fw_version);
+	DRM_DEV_DEBUG(dp->dev, "firmware version: %x\n", dp->fw_version);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
index f7fc652b0027..b1fe0639227e 100644
--- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
@@ -430,9 +430,9 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 
 	testdin = max_mbps_to_testdin(dsi->lane_mbps);
 	if (testdin < 0) {
-		dev_err(dsi->dev,
-			"failed to get testdin for %dmbps lane clock\n",
-			dsi->lane_mbps);
+		DRM_DEV_ERROR(dsi->dev,
+			      "failed to get testdin for %dmbps lane clock\n",
+			      dsi->lane_mbps);
 		return testdin;
 	}
 
@@ -443,7 +443,7 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 
 	ret = clk_prepare_enable(dsi->phy_cfg_clk);
 	if (ret) {
-		dev_err(dsi->dev, "Failed to enable phy_cfg_clk\n");
+		DRM_DEV_ERROR(dsi->dev, "Failed to enable phy_cfg_clk\n");
 		return ret;
 	}
 
@@ -501,7 +501,7 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 	ret = readl_poll_timeout(dsi->base + DSI_PHY_STATUS,
 				 val, val & LOCK, 1000, PHY_STATUS_TIMEOUT_US);
 	if (ret < 0) {
-		dev_err(dsi->dev, "failed to wait for phy lock state\n");
+		DRM_DEV_ERROR(dsi->dev, "failed to wait for phy lock state\n");
 		goto phy_init_end;
 	}
 
@@ -509,8 +509,8 @@ static int dw_mipi_dsi_phy_init(struct dw_mipi_dsi *dsi)
 				 val, val & STOP_STATE_CLK_LANE, 1000,
 				 PHY_STATUS_TIMEOUT_US);
 	if (ret < 0)
-		dev_err(dsi->dev,
-			"failed to wait for phy clk lane stop state\n");
+		DRM_DEV_ERROR(dsi->dev,
+			      "failed to wait for phy clk lane stop state\n");
 
 phy_init_end:
 	clk_disable_unprepare(dsi->phy_cfg_clk);
@@ -529,8 +529,9 @@ static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi,
 
 	bpp = mipi_dsi_pixel_format_to_bpp(dsi->format);
 	if (bpp < 0) {
-		dev_err(dsi->dev, "failed to get bpp for pixel format %d\n",
-			dsi->format);
+		DRM_DEV_ERROR(dsi->dev,
+			      "failed to get bpp for pixel format %d\n",
+			      dsi->format);
 		return bpp;
 	}
 
@@ -541,7 +542,8 @@ static int dw_mipi_dsi_get_lane_bps(struct dw_mipi_dsi *dsi,
 		if (tmp < max_mbps)
 			target_mbps = tmp;
 		else
-			dev_err(dsi->dev, "DPHY clock frequency is out of range\n");
+			DRM_DEV_ERROR(dsi->dev,
+				      "DPHY clock frequency is out of range\n");
 	}
 
 	pllref = DIV_ROUND_UP(clk_get_rate(dsi->pllref_clk), USEC_PER_SEC);
@@ -582,8 +584,9 @@ static int dw_mipi_dsi_host_attach(struct mipi_dsi_host *host,
 	struct dw_mipi_dsi *dsi = host_to_dsi(host);
 
 	if (device->lanes > dsi->pdata->max_data_lanes) {
-		dev_err(dsi->dev, "the number of data lanes(%u) is too many\n",
-			device->lanes);
+		DRM_DEV_ERROR(dsi->dev,
+			      "the number of data lanes(%u) is too many\n",
+			      device->lanes);
 		return -EINVAL;
 	}
 
@@ -632,7 +635,8 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
 				 val, !(val & GEN_CMD_FULL), 1000,
 				 CMD_PKT_STATUS_TIMEOUT_US);
 	if (ret < 0) {
-		dev_err(dsi->dev, "failed to get available command FIFO\n");
+		DRM_DEV_ERROR(dsi->dev,
+			      "failed to get available command FIFO\n");
 		return ret;
 	}
 
@@ -643,7 +647,7 @@ static int dw_mipi_dsi_gen_pkt_hdr_write(struct dw_mipi_dsi *dsi, u32 hdr_val)
 				 val, (val & mask) == mask,
 				 1000, CMD_PKT_STATUS_TIMEOUT_US);
 	if (ret < 0) {
-		dev_err(dsi->dev, "failed to write command FIFO\n");
+		DRM_DEV_ERROR(dsi->dev, "failed to write command FIFO\n");
 		return ret;
 	}
 
@@ -663,8 +667,9 @@ static int dw_mipi_dsi_dcs_short_write(struct dw_mipi_dsi *dsi,
 		data |= tx_buf[1] << 8;
 
 	if (msg->tx_len > 2) {
-		dev_err(dsi->dev, "too long tx buf length %zu for short write\n",
-			msg->tx_len);
+		DRM_DEV_ERROR(dsi->dev,
+			      "too long tx buf length %zu for short write\n",
+			      msg->tx_len);
 		return -EINVAL;
 	}
 
@@ -682,8 +687,9 @@ static int dw_mipi_dsi_dcs_long_write(struct dw_mipi_dsi *dsi,
 	u32 val;
 
 	if (msg->tx_len < 3) {
-		dev_err(dsi->dev, "wrong tx buf length %zu for long write\n",
-			msg->tx_len);
+		DRM_DEV_ERROR(dsi->dev,
+			      "wrong tx buf length %zu for long write\n",
+			      msg->tx_len);
 		return -EINVAL;
 	}
 
@@ -704,8 +710,8 @@ static int dw_mipi_dsi_dcs_long_write(struct dw_mipi_dsi *dsi,
 					 val, !(val & GEN_PLD_W_FULL), 1000,
 					 CMD_PKT_STATUS_TIMEOUT_US);
 		if (ret < 0) {
-			dev_err(dsi->dev,
-				"failed to get available write payload FIFO\n");
+			DRM_DEV_ERROR(dsi->dev,
+				      "failed to get available write payload FIFO\n");
 			return ret;
 		}
 	}
@@ -731,8 +737,8 @@ static ssize_t dw_mipi_dsi_host_transfer(struct mipi_dsi_host *host,
 		ret = dw_mipi_dsi_dcs_long_write(dsi, msg);
 		break;
 	default:
-		dev_err(dsi->dev, "unsupported message type 0x%02x\n",
-			msg->type);
+		DRM_DEV_ERROR(dsi->dev, "unsupported message type 0x%02x\n",
+			      msg->type);
 		ret = -EINVAL;
 	}
 
@@ -935,7 +941,7 @@ static void dw_mipi_dsi_encoder_disable(struct drm_encoder *encoder)
 		return;
 
 	if (clk_prepare_enable(dsi->pclk)) {
-		dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__);
+		DRM_DEV_ERROR(dsi->dev, "Failed to enable pclk\n");
 		return;
 	}
 
@@ -967,7 +973,7 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
 		return;
 
 	if (clk_prepare_enable(dsi->pclk)) {
-		dev_err(dsi->dev, "%s: Failed to enable pclk\n", __func__);
+		DRM_DEV_ERROR(dsi->dev, "Failed to enable pclk\n");
 		return;
 	}
 
@@ -991,7 +997,7 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
 	 */
 	ret = clk_prepare_enable(dsi->grf_clk);
 	if (ret) {
-		dev_err(dsi->dev, "Failed to enable grf_clk: %d\n", ret);
+		DRM_DEV_ERROR(dsi->dev, "Failed to enable grf_clk: %d\n", ret);
 		return;
 	}
 
@@ -1004,7 +1010,7 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
 
 	dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_CMD_MODE);
 	if (drm_panel_prepare(dsi->panel))
-		dev_err(dsi->dev, "failed to prepare panel\n");
+		DRM_DEV_ERROR(dsi->dev, "failed to prepare panel\n");
 
 	dw_mipi_dsi_set_mode(dsi, DW_MIPI_DSI_VID_MODE);
 	drm_panel_enable(dsi->panel);
@@ -1017,7 +1023,8 @@ static void dw_mipi_dsi_encoder_enable(struct drm_encoder *encoder)
 		val = pdata->dsi0_en_bit << 16;
 
 	regmap_write(dsi->grf_regmap, pdata->grf_switch_reg, val);
-	dev_dbg(dsi->dev, "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG");
+	DRM_DEV_DEBUG(dsi->dev,
+		      "vop %s output to dsi0\n", (mux) ? "LIT" : "BIG");
 	dsi->dpms_mode = DRM_MODE_DPMS_ON;
 
 	clk_disable_unprepare(dsi->grf_clk);
@@ -1111,7 +1118,7 @@ static int dw_mipi_dsi_register(struct drm_device *drm,
 	ret = drm_encoder_init(drm, &dsi->encoder, &dw_mipi_dsi_encoder_funcs,
 			       DRM_MODE_ENCODER_DSI, NULL);
 	if (ret) {
-		dev_err(dev, "Failed to initialize encoder with drm\n");
+		DRM_DEV_ERROR(dev, "Failed to initialize encoder with drm\n");
 		return ret;
 	}
 
@@ -1133,7 +1140,7 @@ static int rockchip_mipi_parse_dt(struct dw_mipi_dsi *dsi)
 
 	dsi->grf_regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
 	if (IS_ERR(dsi->grf_regmap)) {
-		dev_err(dsi->dev, "Unable to get rockchip,grf\n");
+		DRM_DEV_ERROR(dsi->dev, "Unable to get rockchip,grf\n");
 		return PTR_ERR(dsi->grf_regmap);
 	}
 
@@ -1205,14 +1212,15 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
 	dsi->pllref_clk = devm_clk_get(dev, "ref");
 	if (IS_ERR(dsi->pllref_clk)) {
 		ret = PTR_ERR(dsi->pllref_clk);
-		dev_err(dev, "Unable to get pll reference clock: %d\n", ret);
+		DRM_DEV_ERROR(dev,
+			      "Unable to get pll reference clock: %d\n", ret);
 		return ret;
 	}
 
 	dsi->pclk = devm_clk_get(dev, "pclk");
 	if (IS_ERR(dsi->pclk)) {
 		ret = PTR_ERR(dsi->pclk);
-		dev_err(dev, "Unable to get pclk: %d\n", ret);
+		DRM_DEV_ERROR(dev, "Unable to get pclk: %d\n", ret);
 		return ret;
 	}
 
@@ -1226,7 +1234,8 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
 		if (ret == -ENOENT) {
 			apb_rst = NULL;
 		} else {
-			dev_err(dev, "Unable to get reset control: %d\n", ret);
+			DRM_DEV_ERROR(dev,
+				      "Unable to get reset control: %d\n", ret);
 			return ret;
 		}
 	}
@@ -1234,7 +1243,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
 	if (apb_rst) {
 		ret = clk_prepare_enable(dsi->pclk);
 		if (ret) {
-			dev_err(dev, "%s: Failed to enable pclk\n", __func__);
+			DRM_DEV_ERROR(dev, "Failed to enable pclk\n");
 			return ret;
 		}
 
@@ -1249,7 +1258,8 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
 		dsi->phy_cfg_clk = devm_clk_get(dev, "phy_cfg");
 		if (IS_ERR(dsi->phy_cfg_clk)) {
 			ret = PTR_ERR(dsi->phy_cfg_clk);
-			dev_err(dev, "Unable to get phy_cfg_clk: %d\n", ret);
+			DRM_DEV_ERROR(dev,
+				      "Unable to get phy_cfg_clk: %d\n", ret);
 			return ret;
 		}
 	}
@@ -1258,20 +1268,20 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
 		dsi->grf_clk = devm_clk_get(dev, "grf");
 		if (IS_ERR(dsi->grf_clk)) {
 			ret = PTR_ERR(dsi->grf_clk);
-			dev_err(dev, "Unable to get grf_clk: %d\n", ret);
+			DRM_DEV_ERROR(dev, "Unable to get grf_clk: %d\n", ret);
 			return ret;
 		}
 	}
 
 	ret = clk_prepare_enable(dsi->pllref_clk);
 	if (ret) {
-		dev_err(dev, "%s: Failed to enable pllref_clk\n", __func__);
+		DRM_DEV_ERROR(dev, "Failed to enable pllref_clk\n");
 		return ret;
 	}
 
 	ret = dw_mipi_dsi_register(drm, dsi);
 	if (ret) {
-		dev_err(dev, "Failed to register mipi_dsi: %d\n", ret);
+		DRM_DEV_ERROR(dev, "Failed to register mipi_dsi: %d\n", ret);
 		goto err_pllref;
 	}
 
@@ -1279,7 +1289,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct device *master,
 	dsi->dsi_host.dev = dev;
 	ret = mipi_dsi_host_register(&dsi->dsi_host);
 	if (ret) {
-		dev_err(dev, "Failed to register MIPI host: %d\n", ret);
+		DRM_DEV_ERROR(dev, "Failed to register MIPI host: %d\n", ret);
 		goto err_cleanup;
 	}
 
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index ccd5d595ada7..1eb02a82fd91 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -168,7 +168,7 @@ static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
 
 	hdmi->regmap = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
 	if (IS_ERR(hdmi->regmap)) {
-		dev_err(hdmi->dev, "Unable to get rockchip,grf\n");
+		DRM_DEV_ERROR(hdmi->dev, "Unable to get rockchip,grf\n");
 		return PTR_ERR(hdmi->regmap);
 	}
 
@@ -178,7 +178,7 @@ static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
 	} else if (PTR_ERR(hdmi->vpll_clk) == -EPROBE_DEFER) {
 		return -EPROBE_DEFER;
 	} else if (IS_ERR(hdmi->vpll_clk)) {
-		dev_err(hdmi->dev, "failed to get grf clock\n");
+		DRM_DEV_ERROR(hdmi->dev, "failed to get grf clock\n");
 		return PTR_ERR(hdmi->vpll_clk);
 	}
 
@@ -188,13 +188,14 @@ static int rockchip_hdmi_parse_dt(struct rockchip_hdmi *hdmi)
 	} else if (PTR_ERR(hdmi->grf_clk) == -EPROBE_DEFER) {
 		return -EPROBE_DEFER;
 	} else if (IS_ERR(hdmi->grf_clk)) {
-		dev_err(hdmi->dev, "failed to get grf clock\n");
+		DRM_DEV_ERROR(hdmi->dev, "failed to get grf clock\n");
 		return PTR_ERR(hdmi->grf_clk);
 	}
 
 	ret = clk_prepare_enable(hdmi->vpll_clk);
 	if (ret) {
-		dev_err(hdmi->dev, "Failed to enable HDMI vpll: %d\n", ret);
+		DRM_DEV_ERROR(hdmi->dev,
+			      "Failed to enable HDMI vpll: %d\n", ret);
 		return ret;
 	}
 
@@ -259,17 +260,17 @@ static void dw_hdmi_rockchip_encoder_enable(struct drm_encoder *encoder)
 
 	ret = clk_prepare_enable(hdmi->grf_clk);
 	if (ret < 0) {
-		dev_err(hdmi->dev, "failed to enable grfclk %d\n", ret);
+		DRM_DEV_ERROR(hdmi->dev, "failed to enable grfclk %d\n", ret);
 		return;
 	}
 
 	ret = regmap_write(hdmi->regmap, hdmi->chip_data->lcdsel_grf_reg, val);
 	if (ret != 0)
-		dev_err(hdmi->dev, "Could not write to GRF: %d\n", ret);
+		DRM_DEV_ERROR(hdmi->dev, "Could not write to GRF: %d\n", ret);
 
 	clk_disable_unprepare(hdmi->grf_clk);
-	dev_dbg(hdmi->dev, "vop %s output to hdmi\n",
-		ret ? "LIT" : "BIG");
+	DRM_DEV_DEBUG(hdmi->dev, "vop %s output to hdmi\n",
+		      ret ? "LIT" : "BIG");
 }
 
 static int
@@ -368,7 +369,7 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
 
 	ret = rockchip_hdmi_parse_dt(hdmi);
 	if (ret) {
-		dev_err(hdmi->dev, "Unable to parse OF data\n");
+		DRM_DEV_ERROR(hdmi->dev, "Unable to parse OF data\n");
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 7a251a54e792..ee584d87111f 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -224,7 +224,7 @@ static void inno_hdmi_set_pwr_mode(struct inno_hdmi *hdmi, int mode)
 		break;
 
 	default:
-		dev_err(hdmi->dev, "Unknown power mode %d\n", mode);
+		DRM_DEV_ERROR(hdmi->dev, "Unknown power mode %d\n", mode);
 	}
 }
 
@@ -742,8 +742,9 @@ static int inno_hdmi_i2c_xfer(struct i2c_adapter *adap,
 	hdmi_writeb(hdmi, HDMI_INTERRUPT_STATUS1, m_INT_EDID_READY);
 
 	for (i = 0; i < num; i++) {
-		dev_dbg(hdmi->dev, "xfer: num: %d/%d, len: %d, flags: %#x\n",
-			i + 1, num, msgs[i].len, msgs[i].flags);
+		DRM_DEV_DEBUG(hdmi->dev,
+			      "xfer: num: %d/%d, len: %d, flags: %#x\n",
+			      i + 1, num, msgs[i].len, msgs[i].flags);
 
 		if (msgs[i].flags & I2C_M_RD)
 			ret = inno_hdmi_i2c_read(hdmi, &msgs[i]);
@@ -806,7 +807,7 @@ static struct i2c_adapter *inno_hdmi_i2c_adapter(struct inno_hdmi *hdmi)
 
 	hdmi->i2c = i2c;
 
-	dev_info(hdmi->dev, "registered %s I2C bus driver\n", adap->name);
+	DRM_DEV_INFO(hdmi->dev, "registered %s I2C bus driver\n", adap->name);
 
 	return adap;
 }
@@ -838,13 +839,14 @@ static int inno_hdmi_bind(struct device *dev, struct device *master,
 
 	hdmi->pclk = devm_clk_get(hdmi->dev, "pclk");
 	if (IS_ERR(hdmi->pclk)) {
-		dev_err(hdmi->dev, "Unable to get HDMI pclk clk\n");
+		DRM_DEV_ERROR(hdmi->dev, "Unable to get HDMI pclk clk\n");
 		return PTR_ERR(hdmi->pclk);
 	}
 
 	ret = clk_prepare_enable(hdmi->pclk);
 	if (ret) {
-		dev_err(hdmi->dev, "Cannot enable HDMI pclk clock: %d\n", ret);
+		DRM_DEV_ERROR(hdmi->dev,
+			      "Cannot enable HDMI pclk clock: %d\n", ret);
 		return ret;
 	}
 
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index ff3d0f5efbb1..76d63de5921d 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -58,7 +58,7 @@ int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
 
 	ret = iommu_attach_device(private->domain, dev);
 	if (ret) {
-		dev_err(dev, "Failed to attach iommu device\n");
+		DRM_DEV_ERROR(dev, "Failed to attach iommu device\n");
 		return ret;
 	}
 
@@ -373,8 +373,9 @@ static int rockchip_drm_platform_of_probe(struct device *dev)
 
 		iommu = of_parse_phandle(port->parent, "iommus", 0);
 		if (!iommu || !of_device_is_available(iommu->parent)) {
-			dev_dbg(dev, "no iommu attached for %pOF, using non-iommu buffers\n",
-				port->parent);
+			DRM_DEV_DEBUG(dev,
+				      "no iommu attached for %pOF, using non-iommu buffers\n",
+				      port->parent);
 			/*
 			 * if there is a crtc not support iommu, force set all
 			 * crtc use non-iommu buffer.
@@ -389,12 +390,13 @@ static int rockchip_drm_platform_of_probe(struct device *dev)
 	}
 
 	if (i == 0) {
-		dev_err(dev, "missing 'ports' property\n");
+		DRM_DEV_ERROR(dev, "missing 'ports' property\n");
 		return -ENODEV;
 	}
 
 	if (!found) {
-		dev_err(dev, "No available vop found for display-subsystem.\n");
+		DRM_DEV_ERROR(dev,
+			      "No available vop found for display-subsystem.\n");
 		return -ENODEV;
 	}
 
@@ -453,6 +455,8 @@ static int __init rockchip_drm_init(void)
 
 	num_rockchip_sub_drivers = 0;
 	ADD_ROCKCHIP_SUB_DRIVER(vop_platform_driver, CONFIG_DRM_ROCKCHIP);
+	ADD_ROCKCHIP_SUB_DRIVER(rockchip_lvds_driver,
+				CONFIG_ROCKCHIP_LVDS);
 	ADD_ROCKCHIP_SUB_DRIVER(rockchip_dp_driver,
 				CONFIG_ROCKCHIP_ANALOGIX_DP);
 	ADD_ROCKCHIP_SUB_DRIVER(cdn_dp_driver, CONFIG_ROCKCHIP_CDN_DP);
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index c7e96b82cf63..498dfbc52cec 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -69,5 +69,6 @@ extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
 extern struct platform_driver dw_mipi_dsi_driver;
 extern struct platform_driver inno_hdmi_driver;
 extern struct platform_driver rockchip_dp_driver;
+extern struct platform_driver rockchip_lvds_driver;
 extern struct platform_driver vop_platform_driver;
 #endif /* _ROCKCHIP_DRM_DRV_H_ */
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
index 70773041785b..cd2ace0c3caa 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c
@@ -100,8 +100,9 @@ rockchip_fb_alloc(struct drm_device *dev, const struct drm_mode_fb_cmd2 *mode_cm
 	ret = drm_framebuffer_init(dev, &rockchip_fb->fb,
 				   &rockchip_drm_fb_funcs);
 	if (ret) {
-		dev_err(dev->dev, "Failed to initialize framebuffer: %d\n",
-			ret);
+		DRM_DEV_ERROR(dev->dev,
+			      "Failed to initialize framebuffer: %d\n",
+			      ret);
 		kfree(rockchip_fb);
 		return ERR_PTR(ret);
 	}
@@ -134,7 +135,8 @@ rockchip_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 
 		obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]);
 		if (!obj) {
-			dev_err(dev->dev, "Failed to lookup GEM object\n");
+			DRM_DEV_ERROR(dev->dev,
+				      "Failed to lookup GEM object\n");
 			ret = -ENXIO;
 			goto err_gem_object_unreference;
 		}
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c
index 724579ebf947..e6650553f5d6 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c
@@ -76,7 +76,7 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper,
 
 	fbi = drm_fb_helper_alloc_fbi(helper);
 	if (IS_ERR(fbi)) {
-		dev_err(dev->dev, "Failed to create framebuffer info.\n");
+		DRM_DEV_ERROR(dev->dev, "Failed to create framebuffer info.\n");
 		ret = PTR_ERR(fbi);
 		goto out;
 	}
@@ -84,7 +84,8 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper,
 	helper->fb = rockchip_drm_framebuffer_init(dev, &mode_cmd,
 						   private->fbdev_bo);
 	if (IS_ERR(helper->fb)) {
-		dev_err(dev->dev, "Failed to allocate DRM framebuffer.\n");
+		DRM_DEV_ERROR(dev->dev,
+			      "Failed to allocate DRM framebuffer.\n");
 		ret = PTR_ERR(helper->fb);
 		goto out;
 	}
@@ -138,21 +139,24 @@ int rockchip_drm_fbdev_init(struct drm_device *dev)
 
 	ret = drm_fb_helper_init(dev, helper, ROCKCHIP_MAX_CONNECTOR);
 	if (ret < 0) {
-		dev_err(dev->dev, "Failed to initialize drm fb helper - %d.\n",
-			ret);
+		DRM_DEV_ERROR(dev->dev,
+			      "Failed to initialize drm fb helper - %d.\n",
+			      ret);
 		return ret;
 	}
 
 	ret = drm_fb_helper_single_add_all_connectors(helper);
 	if (ret < 0) {
-		dev_err(dev->dev, "Failed to add connectors - %d.\n", ret);
+		DRM_DEV_ERROR(dev->dev,
+			      "Failed to add connectors - %d.\n", ret);
 		goto err_drm_fb_helper_fini;
 	}
 
 	ret = drm_fb_helper_initial_config(helper, PREFERRED_BPP);
 	if (ret < 0) {
-		dev_err(dev->dev, "Failed to set initial hw config - %d.\n",
-			ret);
+		DRM_DEV_ERROR(dev->dev,
+			      "Failed to set initial hw config - %d.\n",
+			      ret);
 		goto err_drm_fb_helper_fini;
 	}
 
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index 1869c8bb76c8..1d9655576b6e 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -220,7 +220,7 @@ static int rockchip_drm_gem_object_mmap_iommu(struct drm_gem_object *obj,
 {
 	struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj);
 	unsigned int i, count = obj->size >> PAGE_SHIFT;
-	unsigned long user_count = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+	unsigned long user_count = vma_pages(vma);
 	unsigned long uaddr = vma->vm_start;
 	unsigned long offset = vma->vm_pgoff;
 	unsigned long end = user_count + offset;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_psr.c b/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
index a553e182ff53..3acfd576b7df 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_psr.c
@@ -101,9 +101,9 @@ static void psr_set_state(struct psr_drv *psr, enum psr_state state)
 	spin_unlock_irqrestore(&psr->lock, flags);
 }
 
-static void psr_flush_handler(unsigned long data)
+static void psr_flush_handler(struct timer_list *t)
 {
-	struct psr_drv *psr = (struct psr_drv *)data;
+	struct psr_drv *psr = from_timer(psr, t, flush_timer);
 	unsigned long flags;
 
 	/* If the state has changed since we initiated the flush, do nothing */
@@ -232,7 +232,7 @@ int rockchip_drm_psr_register(struct drm_encoder *encoder,
 	if (!psr)
 		return -ENOMEM;
 
-	setup_timer(&psr->flush_timer, psr_flush_handler, (unsigned long)psr);
+	timer_setup(&psr->flush_timer, psr_flush_handler, 0);
 	spin_lock_init(&psr->lock);
 
 	psr->active = true;
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index bf9ed0e63973..19128b4dea54 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -160,7 +160,7 @@ static void vop_reg_set(struct vop *vop, const struct vop_reg *reg,
 	int offset, mask, shift;
 
 	if (!reg || !reg->mask) {
-		dev_dbg(vop->dev, "Warning: not support %s\n", reg_name);
+		DRM_DEV_DEBUG(vop->dev, "Warning: not support %s\n", reg_name);
 		return;
 	}
 
@@ -499,7 +499,7 @@ static int vop_enable(struct drm_crtc *crtc)
 
 	ret = pm_runtime_get_sync(vop->dev);
 	if (ret < 0) {
-		dev_err(vop->dev, "failed to get pm runtime: %d\n", ret);
+		DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret);
 		return ret;
 	}
 
@@ -523,7 +523,8 @@ static int vop_enable(struct drm_crtc *crtc)
 	 */
 	ret = rockchip_drm_dma_attach_device(vop->drm_dev, vop->dev);
 	if (ret) {
-		dev_err(vop->dev, "failed to attach dma mapping, %d\n", ret);
+		DRM_DEV_ERROR(vop->dev,
+			      "failed to attach dma mapping, %d\n", ret);
 		goto err_disable_aclk;
 	}
 
@@ -1361,42 +1362,42 @@ static int vop_initial(struct vop *vop)
 
 	vop->hclk = devm_clk_get(vop->dev, "hclk_vop");
 	if (IS_ERR(vop->hclk)) {
-		dev_err(vop->dev, "failed to get hclk source\n");
+		DRM_DEV_ERROR(vop->dev, "failed to get hclk source\n");
 		return PTR_ERR(vop->hclk);
 	}
 	vop->aclk = devm_clk_get(vop->dev, "aclk_vop");
 	if (IS_ERR(vop->aclk)) {
-		dev_err(vop->dev, "failed to get aclk source\n");
+		DRM_DEV_ERROR(vop->dev, "failed to get aclk source\n");
 		return PTR_ERR(vop->aclk);
 	}
 	vop->dclk = devm_clk_get(vop->dev, "dclk_vop");
 	if (IS_ERR(vop->dclk)) {
-		dev_err(vop->dev, "failed to get dclk source\n");
+		DRM_DEV_ERROR(vop->dev, "failed to get dclk source\n");
 		return PTR_ERR(vop->dclk);
 	}
 
 	ret = pm_runtime_get_sync(vop->dev);
 	if (ret < 0) {
-		dev_err(vop->dev, "failed to get pm runtime: %d\n", ret);
+		DRM_DEV_ERROR(vop->dev, "failed to get pm runtime: %d\n", ret);
 		return ret;
 	}
 
 	ret = clk_prepare(vop->dclk);
 	if (ret < 0) {
-		dev_err(vop->dev, "failed to prepare dclk\n");
+		DRM_DEV_ERROR(vop->dev, "failed to prepare dclk\n");
 		goto err_put_pm_runtime;
 	}
 
 	/* Enable both the hclk and aclk to setup the vop */
 	ret = clk_prepare_enable(vop->hclk);
 	if (ret < 0) {
-		dev_err(vop->dev, "failed to prepare/enable hclk\n");
+		DRM_DEV_ERROR(vop->dev, "failed to prepare/enable hclk\n");
 		goto err_unprepare_dclk;
 	}
 
 	ret = clk_prepare_enable(vop->aclk);
 	if (ret < 0) {
-		dev_err(vop->dev, "failed to prepare/enable aclk\n");
+		DRM_DEV_ERROR(vop->dev, "failed to prepare/enable aclk\n");
 		goto err_disable_hclk;
 	}
 
@@ -1405,7 +1406,7 @@ static int vop_initial(struct vop *vop)
 	 */
 	ahb_rst = devm_reset_control_get(vop->dev, "ahb");
 	if (IS_ERR(ahb_rst)) {
-		dev_err(vop->dev, "failed to get ahb reset\n");
+		DRM_DEV_ERROR(vop->dev, "failed to get ahb reset\n");
 		ret = PTR_ERR(ahb_rst);
 		goto err_disable_aclk;
 	}
@@ -1434,7 +1435,7 @@ static int vop_initial(struct vop *vop)
 	 */
 	vop->dclk_rst = devm_reset_control_get(vop->dev, "dclk");
 	if (IS_ERR(vop->dclk_rst)) {
-		dev_err(vop->dev, "failed to get dclk reset\n");
+		DRM_DEV_ERROR(vop->dev, "failed to get dclk reset\n");
 		ret = PTR_ERR(vop->dclk_rst);
 		goto err_disable_aclk;
 	}
@@ -1511,7 +1512,7 @@ int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout)
 	vop_line_flag_irq_disable(vop);
 
 	if (jiffies_left == 0) {
-		dev_err(vop->dev, "Timeout waiting for IRQ\n");
+		DRM_DEV_ERROR(vop->dev, "Timeout waiting for IRQ\n");
 		return -ETIMEDOUT;
 	}
 
@@ -1558,7 +1559,7 @@ static int vop_bind(struct device *dev, struct device *master, void *data)
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		dev_err(dev, "cannot find irq for vop\n");
+		DRM_DEV_ERROR(dev, "cannot find irq for vop\n");
 		return irq;
 	}
 	vop->irq = (unsigned int)irq;
@@ -1584,7 +1585,8 @@ static int vop_bind(struct device *dev, struct device *master, void *data)
 
 	ret = vop_initial(vop);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "cannot initial vop dev - err %d\n", ret);
+		DRM_DEV_ERROR(&pdev->dev,
+			      "cannot initial vop dev - err %d\n", ret);
 		goto err_disable_pm_runtime;
 	}
 
diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c b/drivers/gpu/drm/rockchip/rockchip_lvds.c
new file mode 100644
index 000000000000..84911bdc27d1
--- /dev/null
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -0,0 +1,586 @@
+/*
+ * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
+ * Author:
+ *      Mark Yao <mark.yao@rock-chips.com>
+ *      Sandy Huang <hjc@rock-chips.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_atomic_helper.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_dp_helper.h>
+#include <drm/drm_panel.h>
+#include <drm/drm_of.h>
+
+#include <linux/component.h>
+#include <linux/clk.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of_graph.h>
+#include <linux/pm_runtime.h>
+#include <linux/regmap.h>
+#include <linux/reset.h>
+
+#include "rockchip_drm_drv.h"
+#include "rockchip_drm_vop.h"
+#include "rockchip_lvds.h"
+
+#define DISPLAY_OUTPUT_RGB		0
+#define DISPLAY_OUTPUT_LVDS		1
+#define DISPLAY_OUTPUT_DUAL_LVDS	2
+
+#define connector_to_lvds(c) \
+		container_of(c, struct rockchip_lvds, connector)
+
+#define encoder_to_lvds(c) \
+		container_of(c, struct rockchip_lvds, encoder)
+
+/**
+ * rockchip_lvds_soc_data - rockchip lvds Soc private data
+ * @ch1_offset: lvds channel 1 registe offset
+ * grf_soc_con6: general registe offset for LVDS contrl
+ * grf_soc_con7: general registe offset for LVDS contrl
+ * has_vop_sel: to indicate whether need to choose from different VOP.
+ */
+struct rockchip_lvds_soc_data {
+	u32 ch1_offset;
+	int grf_soc_con6;
+	int grf_soc_con7;
+	bool has_vop_sel;
+};
+
+struct rockchip_lvds {
+	struct device *dev;
+	void __iomem *regs;
+	struct regmap *grf;
+	struct clk *pclk;
+	const struct rockchip_lvds_soc_data *soc_data;
+	int output; /* rgb lvds or dual lvds output */
+	int format; /* vesa or jeida format */
+	struct drm_device *drm_dev;
+	struct drm_panel *panel;
+	struct drm_bridge *bridge;
+	struct drm_connector connector;
+	struct drm_encoder encoder;
+	struct dev_pin_info *pins;
+};
+
+static inline void lvds_writel(struct rockchip_lvds *lvds, u32 offset, u32 val)
+{
+	writel_relaxed(val, lvds->regs + offset);
+	if (lvds->output == DISPLAY_OUTPUT_LVDS)
+		return;
+	writel_relaxed(val, lvds->regs + offset + lvds->soc_data->ch1_offset);
+}
+
+static inline int lvds_name_to_format(const char *s)
+{
+	if (strncmp(s, "jeida-18", 8) == 0)
+		return LVDS_JEIDA_18;
+	else if (strncmp(s, "jeida-24", 8) == 0)
+		return LVDS_JEIDA_24;
+	else if (strncmp(s, "vesa-24", 7) == 0)
+		return LVDS_VESA_24;
+
+	return -EINVAL;
+}
+
+static inline int lvds_name_to_output(const char *s)
+{
+	if (strncmp(s, "rgb", 3) == 0)
+		return DISPLAY_OUTPUT_RGB;
+	else if (strncmp(s, "lvds", 4) == 0)
+		return DISPLAY_OUTPUT_LVDS;
+	else if (strncmp(s, "duallvds", 8) == 0)
+		return DISPLAY_OUTPUT_DUAL_LVDS;
+
+	return -EINVAL;
+}
+
+static int rockchip_lvds_poweron(struct rockchip_lvds *lvds)
+{
+	int ret;
+	u32 val;
+
+	ret = clk_enable(lvds->pclk);
+	if (ret < 0) {
+		DRM_DEV_ERROR(lvds->dev, "failed to enable lvds pclk %d\n", ret);
+		return ret;
+	}
+	ret = pm_runtime_get_sync(lvds->dev);
+	if (ret < 0) {
+		DRM_DEV_ERROR(lvds->dev, "failed to get pm runtime: %d\n", ret);
+		clk_disable(lvds->pclk);
+		return ret;
+	}
+	val = RK3288_LVDS_CH0_REG0_LANE4_EN | RK3288_LVDS_CH0_REG0_LANE3_EN |
+		RK3288_LVDS_CH0_REG0_LANE2_EN | RK3288_LVDS_CH0_REG0_LANE1_EN |
+		RK3288_LVDS_CH0_REG0_LANE0_EN;
+	if (lvds->output == DISPLAY_OUTPUT_RGB) {
+		val |= RK3288_LVDS_CH0_REG0_TTL_EN |
+			RK3288_LVDS_CH0_REG0_LANECK_EN;
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG0, val);
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG2,
+			    RK3288_LVDS_PLL_FBDIV_REG2(0x46));
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG4,
+			    RK3288_LVDS_CH0_REG4_LANECK_TTL_MODE |
+			    RK3288_LVDS_CH0_REG4_LANE4_TTL_MODE |
+			    RK3288_LVDS_CH0_REG4_LANE3_TTL_MODE |
+			    RK3288_LVDS_CH0_REG4_LANE2_TTL_MODE |
+			    RK3288_LVDS_CH0_REG4_LANE1_TTL_MODE |
+			    RK3288_LVDS_CH0_REG4_LANE0_TTL_MODE);
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG5,
+			    RK3288_LVDS_CH0_REG5_LANECK_TTL_DATA |
+			    RK3288_LVDS_CH0_REG5_LANE4_TTL_DATA |
+			    RK3288_LVDS_CH0_REG5_LANE3_TTL_DATA |
+			    RK3288_LVDS_CH0_REG5_LANE2_TTL_DATA |
+			    RK3288_LVDS_CH0_REG5_LANE1_TTL_DATA |
+			    RK3288_LVDS_CH0_REG5_LANE0_TTL_DATA);
+	} else {
+		val |= RK3288_LVDS_CH0_REG0_LVDS_EN |
+			    RK3288_LVDS_CH0_REG0_LANECK_EN;
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG0, val);
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG1,
+			    RK3288_LVDS_CH0_REG1_LANECK_BIAS |
+			    RK3288_LVDS_CH0_REG1_LANE4_BIAS |
+			    RK3288_LVDS_CH0_REG1_LANE3_BIAS |
+			    RK3288_LVDS_CH0_REG1_LANE2_BIAS |
+			    RK3288_LVDS_CH0_REG1_LANE1_BIAS |
+			    RK3288_LVDS_CH0_REG1_LANE0_BIAS);
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG2,
+			    RK3288_LVDS_CH0_REG2_RESERVE_ON |
+			    RK3288_LVDS_CH0_REG2_LANECK_LVDS_MODE |
+			    RK3288_LVDS_CH0_REG2_LANE4_LVDS_MODE |
+			    RK3288_LVDS_CH0_REG2_LANE3_LVDS_MODE |
+			    RK3288_LVDS_CH0_REG2_LANE2_LVDS_MODE |
+			    RK3288_LVDS_CH0_REG2_LANE1_LVDS_MODE |
+			    RK3288_LVDS_CH0_REG2_LANE0_LVDS_MODE |
+			    RK3288_LVDS_PLL_FBDIV_REG2(0x46));
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG4, 0x00);
+		lvds_writel(lvds, RK3288_LVDS_CH0_REG5, 0x00);
+	}
+	lvds_writel(lvds, RK3288_LVDS_CH0_REG3, RK3288_LVDS_PLL_FBDIV_REG3(0x46));
+	lvds_writel(lvds, RK3288_LVDS_CH0_REGD, RK3288_LVDS_PLL_PREDIV_REGD(0x0a));
+	lvds_writel(lvds, RK3288_LVDS_CH0_REG20, RK3288_LVDS_CH0_REG20_LSB);
+
+	lvds_writel(lvds, RK3288_LVDS_CFG_REGC, RK3288_LVDS_CFG_REGC_PLL_ENABLE);
+	lvds_writel(lvds, RK3288_LVDS_CFG_REG21, RK3288_LVDS_CFG_REG21_TX_ENABLE);
+
+	return 0;
+}
+
+static void rockchip_lvds_poweroff(struct rockchip_lvds *lvds)
+{
+	int ret;
+	u32 val;
+
+	lvds_writel(lvds, RK3288_LVDS_CFG_REG21, RK3288_LVDS_CFG_REG21_TX_ENABLE);
+	lvds_writel(lvds, RK3288_LVDS_CFG_REGC, RK3288_LVDS_CFG_REGC_PLL_ENABLE);
+	val = LVDS_DUAL | LVDS_TTL_EN | LVDS_CH0_EN | LVDS_CH1_EN | LVDS_PWRDN;
+	val |= val << 16;
+	ret = regmap_write(lvds->grf, lvds->soc_data->grf_soc_con7, val);
+	if (ret != 0)
+		DRM_DEV_ERROR(lvds->dev, "Could not write to GRF: %d\n", ret);
+
+	pm_runtime_put(lvds->dev);
+	clk_disable(lvds->pclk);
+}
+
+static const struct drm_connector_funcs rockchip_lvds_connector_funcs = {
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.destroy = drm_connector_cleanup,
+	.reset = drm_atomic_helper_connector_reset,
+	.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
+	.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+};
+
+static int rockchip_lvds_connector_get_modes(struct drm_connector *connector)
+{
+	struct rockchip_lvds *lvds = connector_to_lvds(connector);
+	struct drm_panel *panel = lvds->panel;
+
+	return drm_panel_get_modes(panel);
+}
+
+static const
+struct drm_connector_helper_funcs rockchip_lvds_connector_helper_funcs = {
+	.get_modes = rockchip_lvds_connector_get_modes,
+};
+
+static void rockchip_lvds_grf_config(struct drm_encoder *encoder,
+				     struct drm_display_mode *mode)
+{
+	struct rockchip_lvds *lvds = encoder_to_lvds(encoder);
+	u8 pin_hsync = (mode->flags & DRM_MODE_FLAG_PHSYNC) ? 1 : 0;
+	u8 pin_dclk = (mode->flags & DRM_MODE_FLAG_PCSYNC) ? 1 : 0;
+	u32 val;
+	int ret;
+
+	/* iomux to LCD data/sync mode */
+	if (lvds->output == DISPLAY_OUTPUT_RGB)
+		if (lvds->pins && !IS_ERR(lvds->pins->default_state))
+			pinctrl_select_state(lvds->pins->p,
+					     lvds->pins->default_state);
+	val = lvds->format | LVDS_CH0_EN;
+	if (lvds->output == DISPLAY_OUTPUT_RGB)
+		val |= LVDS_TTL_EN | LVDS_CH1_EN;
+	else if (lvds->output == DISPLAY_OUTPUT_DUAL_LVDS)
+		val |= LVDS_DUAL | LVDS_CH1_EN;
+
+	if ((mode->htotal - mode->hsync_start) & 0x01)
+		val |= LVDS_START_PHASE_RST_1;
+
+	val |= (pin_dclk << 8) | (pin_hsync << 9);
+	val |= (0xffff << 16);
+	ret = regmap_write(lvds->grf, lvds->soc_data->grf_soc_con7, val);
+	if (ret != 0) {
+		DRM_DEV_ERROR(lvds->dev, "Could not write to GRF: %d\n", ret);
+		return;
+	}
+}
+
+static int rockchip_lvds_set_vop_source(struct rockchip_lvds *lvds,
+					struct drm_encoder *encoder)
+{
+	u32 val;
+	int ret;
+
+	if (!lvds->soc_data->has_vop_sel)
+		return 0;
+
+	ret = drm_of_encoder_active_endpoint_id(lvds->dev->of_node, encoder);
+	if (ret < 0)
+		return ret;
+
+	val = RK3288_LVDS_SOC_CON6_SEL_VOP_LIT << 16;
+	if (ret)
+		val |= RK3288_LVDS_SOC_CON6_SEL_VOP_LIT;
+
+	ret = regmap_write(lvds->grf, lvds->soc_data->grf_soc_con6, val);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int
+rockchip_lvds_encoder_atomic_check(struct drm_encoder *encoder,
+				   struct drm_crtc_state *crtc_state,
+				   struct drm_connector_state *conn_state)
+{
+	struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state);
+
+	s->output_mode = ROCKCHIP_OUT_MODE_P888;
+	s->output_type = DRM_MODE_CONNECTOR_LVDS;
+
+	return 0;
+}
+
+static void rockchip_lvds_encoder_enable(struct drm_encoder *encoder)
+{
+	struct rockchip_lvds *lvds = encoder_to_lvds(encoder);
+	struct drm_display_mode *mode = &encoder->crtc->state->adjusted_mode;
+	int ret;
+
+	drm_panel_prepare(lvds->panel);
+	ret = rockchip_lvds_poweron(lvds);
+	if (ret < 0) {
+		DRM_DEV_ERROR(lvds->dev, "failed to power on lvds: %d\n", ret);
+		drm_panel_unprepare(lvds->panel);
+	}
+	rockchip_lvds_grf_config(encoder, mode);
+	rockchip_lvds_set_vop_source(lvds, encoder);
+	drm_panel_enable(lvds->panel);
+}
+
+static void rockchip_lvds_encoder_disable(struct drm_encoder *encoder)
+{
+	struct rockchip_lvds *lvds = encoder_to_lvds(encoder);
+
+	drm_panel_disable(lvds->panel);
+	rockchip_lvds_poweroff(lvds);
+	drm_panel_unprepare(lvds->panel);
+}
+
+static const
+struct drm_encoder_helper_funcs rockchip_lvds_encoder_helper_funcs = {
+	.enable = rockchip_lvds_encoder_enable,
+	.disable = rockchip_lvds_encoder_disable,
+	.atomic_check = rockchip_lvds_encoder_atomic_check,
+};
+
+static const struct drm_encoder_funcs rockchip_lvds_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
+static const struct rockchip_lvds_soc_data rk3288_lvds_data = {
+	.ch1_offset = 0x100,
+	.grf_soc_con6 = 0x025c,
+	.grf_soc_con7 = 0x0260,
+	.has_vop_sel = true,
+};
+
+static const struct of_device_id rockchip_lvds_dt_ids[] = {
+	{
+		.compatible = "rockchip,rk3288-lvds",
+		.data = &rk3288_lvds_data
+	},
+	{}
+};
+MODULE_DEVICE_TABLE(of, rockchip_lvds_dt_ids);
+
+static int rockchip_lvds_bind(struct device *dev, struct device *master,
+			      void *data)
+{
+	struct rockchip_lvds *lvds = dev_get_drvdata(dev);
+	struct drm_device *drm_dev = data;
+	struct drm_encoder *encoder;
+	struct drm_connector *connector;
+	struct device_node *remote = NULL;
+	struct device_node  *port, *endpoint;
+	int ret = 0, child_count = 0;
+	const char *name;
+	u32 endpoint_id;
+
+	lvds->drm_dev = drm_dev;
+	port = of_graph_get_port_by_id(dev->of_node, 1);
+	if (!port) {
+		DRM_DEV_ERROR(dev,
+			      "can't found port point, please init lvds panel port!\n");
+		return -EINVAL;
+	}
+	for_each_child_of_node(port, endpoint) {
+		child_count++;
+		of_property_read_u32(endpoint, "reg", &endpoint_id);
+		ret = drm_of_find_panel_or_bridge(dev->of_node, 1, endpoint_id,
+						  &lvds->panel, &lvds->bridge);
+		if (!ret)
+			break;
+	}
+	if (!child_count) {
+		DRM_DEV_ERROR(dev, "lvds port does not have any children\n");
+		ret = -EINVAL;
+		goto err_put_port;
+	} else if (ret) {
+		DRM_DEV_ERROR(dev, "failed to find panel and bridge node\n");
+		ret = -EPROBE_DEFER;
+		goto err_put_port;
+	}
+	if (lvds->panel)
+		remote = lvds->panel->dev->of_node;
+	else
+		remote = lvds->bridge->of_node;
+	if (of_property_read_string(dev->of_node, "rockchip,output", &name))
+		/* default set it as output rgb */
+		lvds->output = DISPLAY_OUTPUT_RGB;
+	else
+		lvds->output = lvds_name_to_output(name);
+
+	if (lvds->output < 0) {
+		DRM_DEV_ERROR(dev, "invalid output type [%s]\n", name);
+		ret = lvds->output;
+		goto err_put_remote;
+	}
+
+	if (of_property_read_string(remote, "data-mapping", &name))
+		/* default set it as format vesa 18 */
+		lvds->format = LVDS_VESA_18;
+	else
+		lvds->format = lvds_name_to_format(name);
+
+	if (lvds->format < 0) {
+		DRM_DEV_ERROR(dev, "invalid data-mapping format [%s]\n", name);
+		ret = lvds->format;
+		goto err_put_remote;
+	}
+
+	encoder = &lvds->encoder;
+	encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev,
+							     dev->of_node);
+
+	ret = drm_encoder_init(drm_dev, encoder, &rockchip_lvds_encoder_funcs,
+			       DRM_MODE_ENCODER_LVDS, NULL);
+	if (ret < 0) {
+		DRM_DEV_ERROR(drm_dev->dev,
+			      "failed to initialize encoder: %d\n", ret);
+		goto err_put_remote;
+	}
+
+	drm_encoder_helper_add(encoder, &rockchip_lvds_encoder_helper_funcs);
+
+	if (lvds->panel) {
+		connector = &lvds->connector;
+		connector->dpms = DRM_MODE_DPMS_OFF;
+		ret = drm_connector_init(drm_dev, connector,
+					 &rockchip_lvds_connector_funcs,
+					 DRM_MODE_CONNECTOR_LVDS);
+		if (ret < 0) {
+			DRM_DEV_ERROR(drm_dev->dev,
+				      "failed to initialize connector: %d\n", ret);
+			goto err_free_encoder;
+		}
+
+		drm_connector_helper_add(connector,
+					 &rockchip_lvds_connector_helper_funcs);
+
+		ret = drm_mode_connector_attach_encoder(connector, encoder);
+		if (ret < 0) {
+			DRM_DEV_ERROR(drm_dev->dev,
+				      "failed to attach encoder: %d\n", ret);
+			goto err_free_connector;
+		}
+
+		ret = drm_panel_attach(lvds->panel, connector);
+		if (ret < 0) {
+			DRM_DEV_ERROR(drm_dev->dev,
+				      "failed to attach panel: %d\n", ret);
+			goto err_free_connector;
+		}
+	} else {
+		lvds->bridge->encoder = encoder;
+		ret = drm_bridge_attach(encoder, lvds->bridge, NULL);
+		if (ret) {
+			DRM_DEV_ERROR(drm_dev->dev,
+				      "failed to attach bridge: %d\n", ret);
+			goto err_free_encoder;
+		}
+		encoder->bridge = lvds->bridge;
+	}
+
+	pm_runtime_enable(dev);
+	of_node_put(remote);
+	of_node_put(port);
+
+	return 0;
+
+err_free_connector:
+	drm_connector_cleanup(connector);
+err_free_encoder:
+	drm_encoder_cleanup(encoder);
+err_put_remote:
+	of_node_put(remote);
+err_put_port:
+	of_node_put(port);
+
+	return ret;
+}
+
+static void rockchip_lvds_unbind(struct device *dev, struct device *master,
+				void *data)
+{
+	struct rockchip_lvds *lvds = dev_get_drvdata(dev);
+
+	rockchip_lvds_encoder_disable(&lvds->encoder);
+	if (lvds->panel)
+		drm_panel_detach(lvds->panel);
+	pm_runtime_disable(dev);
+	drm_connector_cleanup(&lvds->connector);
+	drm_encoder_cleanup(&lvds->encoder);
+}
+
+static const struct component_ops rockchip_lvds_component_ops = {
+	.bind = rockchip_lvds_bind,
+	.unbind = rockchip_lvds_unbind,
+};
+
+static int rockchip_lvds_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct rockchip_lvds *lvds;
+	const struct of_device_id *match;
+	struct resource *res;
+	int ret;
+
+	if (!dev->of_node)
+		return -ENODEV;
+
+	lvds = devm_kzalloc(&pdev->dev, sizeof(*lvds), GFP_KERNEL);
+	if (!lvds)
+		return -ENOMEM;
+
+	lvds->dev = dev;
+	match = of_match_node(rockchip_lvds_dt_ids, dev->of_node);
+	if (!match)
+		return -ENODEV;
+	lvds->soc_data = match->data;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	lvds->regs = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(lvds->regs))
+		return PTR_ERR(lvds->regs);
+
+	lvds->pclk = devm_clk_get(&pdev->dev, "pclk_lvds");
+	if (IS_ERR(lvds->pclk)) {
+		DRM_DEV_ERROR(dev, "could not get pclk_lvds\n");
+		return PTR_ERR(lvds->pclk);
+	}
+
+	lvds->pins = devm_kzalloc(lvds->dev, sizeof(*lvds->pins),
+				  GFP_KERNEL);
+	if (!lvds->pins)
+		return -ENOMEM;
+
+	lvds->pins->p = devm_pinctrl_get(lvds->dev);
+	if (IS_ERR(lvds->pins->p)) {
+		DRM_DEV_ERROR(dev, "no pinctrl handle\n");
+		devm_kfree(lvds->dev, lvds->pins);
+		lvds->pins = NULL;
+	} else {
+		lvds->pins->default_state =
+			pinctrl_lookup_state(lvds->pins->p, "lcdc");
+		if (IS_ERR(lvds->pins->default_state)) {
+			DRM_DEV_ERROR(dev, "no default pinctrl state\n");
+			devm_kfree(lvds->dev, lvds->pins);
+			lvds->pins = NULL;
+		}
+	}
+
+	lvds->grf = syscon_regmap_lookup_by_phandle(dev->of_node,
+						    "rockchip,grf");
+	if (IS_ERR(lvds->grf)) {
+		DRM_DEV_ERROR(dev, "missing rockchip,grf property\n");
+		return PTR_ERR(lvds->grf);
+	}
+
+	dev_set_drvdata(dev, lvds);
+
+	ret = clk_prepare(lvds->pclk);
+	if (ret < 0) {
+		DRM_DEV_ERROR(dev, "failed to prepare pclk_lvds\n");
+		return ret;
+	}
+	ret = component_add(&pdev->dev, &rockchip_lvds_component_ops);
+	if (ret < 0) {
+		DRM_DEV_ERROR(dev, "failed to add component\n");
+		clk_unprepare(lvds->pclk);
+	}
+
+	return ret;
+}
+
+static int rockchip_lvds_remove(struct platform_device *pdev)
+{
+	struct rockchip_lvds *lvds = dev_get_drvdata(&pdev->dev);
+
+	component_del(&pdev->dev, &rockchip_lvds_component_ops);
+	clk_unprepare(lvds->pclk);
+
+	return 0;
+}
+
+struct platform_driver rockchip_lvds_driver = {
+	.probe = rockchip_lvds_probe,
+	.remove = rockchip_lvds_remove,
+	.driver = {
+		   .name = "rockchip-lvds",
+		   .of_match_table = of_match_ptr(rockchip_lvds_dt_ids),
+	},
+};
diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.h b/drivers/gpu/drm/rockchip/rockchip_lvds.h
new file mode 100644
index 000000000000..15810b737809
--- /dev/null
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.h
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
+ * Author:
+ *      Sandy Huang <hjc@rock-chips.com>
+ *      Mark Yao <mark.yao@rock-chips.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _ROCKCHIP_LVDS_
+#define _ROCKCHIP_LVDS_
+
+#define RK3288_LVDS_CH0_REG0			0x00
+#define RK3288_LVDS_CH0_REG0_LVDS_EN		BIT(7)
+#define RK3288_LVDS_CH0_REG0_TTL_EN		BIT(6)
+#define RK3288_LVDS_CH0_REG0_LANECK_EN		BIT(5)
+#define RK3288_LVDS_CH0_REG0_LANE4_EN		BIT(4)
+#define RK3288_LVDS_CH0_REG0_LANE3_EN		BIT(3)
+#define RK3288_LVDS_CH0_REG0_LANE2_EN		BIT(2)
+#define RK3288_LVDS_CH0_REG0_LANE1_EN		BIT(1)
+#define RK3288_LVDS_CH0_REG0_LANE0_EN		BIT(0)
+
+#define RK3288_LVDS_CH0_REG1			0x04
+#define RK3288_LVDS_CH0_REG1_LANECK_BIAS	BIT(5)
+#define RK3288_LVDS_CH0_REG1_LANE4_BIAS		BIT(4)
+#define RK3288_LVDS_CH0_REG1_LANE3_BIAS		BIT(3)
+#define RK3288_LVDS_CH0_REG1_LANE2_BIAS		BIT(2)
+#define RK3288_LVDS_CH0_REG1_LANE1_BIAS		BIT(1)
+#define RK3288_LVDS_CH0_REG1_LANE0_BIAS		BIT(0)
+
+#define RK3288_LVDS_CH0_REG2			0x08
+#define RK3288_LVDS_CH0_REG2_RESERVE_ON		BIT(7)
+#define RK3288_LVDS_CH0_REG2_LANECK_LVDS_MODE	BIT(6)
+#define RK3288_LVDS_CH0_REG2_LANE4_LVDS_MODE	BIT(5)
+#define RK3288_LVDS_CH0_REG2_LANE3_LVDS_MODE	BIT(4)
+#define RK3288_LVDS_CH0_REG2_LANE2_LVDS_MODE	BIT(3)
+#define RK3288_LVDS_CH0_REG2_LANE1_LVDS_MODE	BIT(2)
+#define RK3288_LVDS_CH0_REG2_LANE0_LVDS_MODE	BIT(1)
+#define RK3288_LVDS_CH0_REG2_PLL_FBDIV8		BIT(0)
+
+#define RK3288_LVDS_CH0_REG3			0x0c
+#define RK3288_LVDS_CH0_REG3_PLL_FBDIV_MASK	0xff
+
+#define RK3288_LVDS_CH0_REG4			0x10
+#define RK3288_LVDS_CH0_REG4_LANECK_TTL_MODE	BIT(5)
+#define RK3288_LVDS_CH0_REG4_LANE4_TTL_MODE	BIT(4)
+#define RK3288_LVDS_CH0_REG4_LANE3_TTL_MODE	BIT(3)
+#define RK3288_LVDS_CH0_REG4_LANE2_TTL_MODE	BIT(2)
+#define RK3288_LVDS_CH0_REG4_LANE1_TTL_MODE	BIT(1)
+#define RK3288_LVDS_CH0_REG4_LANE0_TTL_MODE	BIT(0)
+
+#define RK3288_LVDS_CH0_REG5			0x14
+#define RK3288_LVDS_CH0_REG5_LANECK_TTL_DATA	BIT(5)
+#define RK3288_LVDS_CH0_REG5_LANE4_TTL_DATA	BIT(4)
+#define RK3288_LVDS_CH0_REG5_LANE3_TTL_DATA	BIT(3)
+#define RK3288_LVDS_CH0_REG5_LANE2_TTL_DATA	BIT(2)
+#define RK3288_LVDS_CH0_REG5_LANE1_TTL_DATA	BIT(1)
+#define RK3288_LVDS_CH0_REG5_LANE0_TTL_DATA	BIT(0)
+
+#define RK3288_LVDS_CFG_REGC			0x30
+#define RK3288_LVDS_CFG_REGC_PLL_ENABLE		0x00
+#define RK3288_LVDS_CFG_REGC_PLL_DISABLE	0xff
+
+#define RK3288_LVDS_CH0_REGD			0x34
+#define RK3288_LVDS_CH0_REGD_PLL_PREDIV_MASK	0x1f
+
+#define RK3288_LVDS_CH0_REG20			0x80
+#define RK3288_LVDS_CH0_REG20_MSB		0x45
+#define RK3288_LVDS_CH0_REG20_LSB		0x44
+
+#define RK3288_LVDS_CFG_REG21			0x84
+#define RK3288_LVDS_CFG_REG21_TX_ENABLE		0x92
+#define RK3288_LVDS_CFG_REG21_TX_DISABLE	0x00
+#define RK3288_LVDS_CH1_OFFSET                 0x100
+
+/* fbdiv value is split over 2 registers, with bit8 in reg2 */
+#define RK3288_LVDS_PLL_FBDIV_REG2(_fbd) \
+		(_fbd & BIT(8) ? RK3288_LVDS_CH0_REG2_PLL_FBDIV8 : 0)
+#define RK3288_LVDS_PLL_FBDIV_REG3(_fbd) \
+		(_fbd & RK3288_LVDS_CH0_REG3_PLL_FBDIV_MASK)
+#define RK3288_LVDS_PLL_PREDIV_REGD(_pd) \
+		(_pd & RK3288_LVDS_CH0_REGD_PLL_PREDIV_MASK)
+
+#define RK3288_LVDS_SOC_CON6_SEL_VOP_LIT	BIT(3)
+
+#define LVDS_FMT_MASK				(0x07 << 16)
+#define LVDS_MSB				BIT(3)
+#define LVDS_DUAL				BIT(4)
+#define LVDS_FMT_1				BIT(5)
+#define LVDS_TTL_EN				BIT(6)
+#define LVDS_START_PHASE_RST_1			BIT(7)
+#define LVDS_DCLK_INV				BIT(8)
+#define LVDS_CH0_EN				BIT(11)
+#define LVDS_CH1_EN				BIT(12)
+#define LVDS_PWRDN				BIT(15)
+
+#define LVDS_24BIT				(0 << 1)
+#define LVDS_18BIT				(1 << 1)
+#define LVDS_FORMAT_VESA			(0 << 0)
+#define LVDS_FORMAT_JEIDA			(1 << 0)
+
+#define LVDS_VESA_24				0
+#define LVDS_JEIDA_24				1
+#define LVDS_VESA_18				2
+#define LVDS_JEIDA_18				3
+
+#endif /* _ROCKCHIP_LVDS_ */
diff --git a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
index 94de7b9f6fde..4a39049e901a 100644
--- a/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
+++ b/drivers/gpu/drm/rockchip/rockchip_vop_reg.c
@@ -533,7 +533,7 @@ static int vop_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 
 	if (!dev->of_node) {
-		dev_err(dev, "can't find vop devices\n");
+		DRM_DEV_ERROR(dev, "can't find vop devices\n");
 		return -ENODEV;
 	}