Merge tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux

Pull drm updates from Dave Airlie:
 "This is the main drm pull request for v4.15.

  Core:
   - Atomic object lifetime fixes
   - Atomic iterator improvements
   - Sparse/smatch fixes
   - Legacy kms ioctls to be interruptible
   - EDID override improvements
   - fb/gem helper cleanups
   - Simple outreachy patches
   - Documentation improvements
   - Fix dma-buf rcu races
   - DRM mode object leasing for improving VR use cases.
   - vgaarb improvements for non-x86 platforms.

  New driver:
   - tve200: Faraday Technology TVE200 block.

     This "TV Encoder" encodes a ITU-T BT.656 stream and can be found in
     the StorLink SL3516 (later Cortina Systems CS3516) as well as the
     Grain Media GM8180.

  New bridges:
   - SiI9234 support

  New panels:
   - S6E63J0X03, OTM8009A, Seiko 43WVF1G, 7" rpi touch panel, Toshiba
     LT089AC19000, Innolux AT043TN24

  i915:
   - Remove Coffeelake from alpha support
   - Cannonlake workarounds
   - Infoframe refactoring for DisplayPort
   - VBT updates
   - DisplayPort vswing/emph/buffer translation refactoring
   - CCS fixes
   - Restore GPU clock boost on missed vblanks
   - Scatter list updates for userptr allocations
   - Gen9+ transition watermarks
   - Display IPC (Isochronous Priority Control)
   - Private PAT management
   - GVT: improved error handling and pci config sanitizing
   - Execlist refactoring
   - Transparent Huge Page support
   - User defined priorities support
   - HuC/GuC firmware refactoring
   - DP MST fixes
   - eDP power sequencing fixes
   - Use RCU instead of stop_machine
   - PSR state tracking support
   - Eviction fixes
   - BDW DP aux channel timeout fixes
   - LSPCON fixes
   - Cannonlake PLL fixes

  amdgpu:
   - Per VM BO support
   - Powerplay cleanups
   - CI powerplay support
   - PASID mgr for kfd
   - SR-IOV fixes
   - initial GPU reset for vega10
   - Prime mmap support
   - TTM updates
   - Clock query interface for Raven
   - Fence to handle ioctl
   - UVD encode ring support on Polaris
   - Transparent huge page DMA support
   - Compute LRU pipe tweaks
   - BO flag to allow buffers to opt out of implicit sync
   - CTX priority setting API
   - VRAM lost infrastructure plumbing

  qxl:
   - fix flicker since atomic rework

  amdkfd:
   - Further improvements from internal AMD tree
   - Usermode events
   - Drop radeon support

  nouveau:
   - Pascal temperature sensor support
   - Improved BAR2 handling
   - MMU rework to support Pascal MMU

  exynos:
   - Improved HDMI/mixer support
   - HDMI audio interface support

  tegra:
   - Prep work for tegra186
   - Cleanup/fixes

  msm:
   - Preemption support for a5xx
   - Display fixes for 8x96 (snapdragon 820)
   - Async cursor plane fixes
   - FW loading rework
   - GPU debugging improvements

  vc4:
   - Prep for DSI panels
   - fix T-format tiling scanout
   - New madvise ioctl

  Rockchip:
   - LVDS support

  omapdrm:
   - omap4 HDMI CEC support

  etnaviv:
   - GPU performance counters groundwork

  sun4i:
   - refactor driver load + TCON backend
   - HDMI improvements
   - A31 support
   - Misc fixes

  udl:
   - Probe/EDID read fixes.

  tilcdc:
   - Misc fixes.

  pl111:
   - Support more variants

  adv7511:
   - Improve EDID handling.
   - HDMI CEC support

  sii8620:
   - Add remote control support"

* tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux: (1480 commits)
  drm/rockchip: analogix_dp: Use mutex rather than spinlock
  drm/mode_object: fix documentation for object lookups.
  drm/i915: Reorder context-close to avoid calling i915_vma_close() under RCU
  drm/i915: Move init_clock_gating() back to where it was
  drm/i915: Prune the reservation shared fence array
  drm/i915: Idle the GPU before shinking everything
  drm/i915: Lock llist_del_first() vs llist_del_all()
  drm/i915: Calculate ironlake intermediate watermarks correctly, v2.
  drm/i915: Disable lazy PPGTT page table optimization for vGPU
  drm/i915/execlists: Remove the priority "optimisation"
  drm/i915: Filter out spurious execlists context-switch interrupts
  drm/amdgpu: use irq-safe lock for kiq->ring_lock
  drm/amdgpu: bypass lru touch for KIQ ring submission
  drm/amdgpu: Potential uninitialized variable in amdgpu_vm_update_directories()
  drm/amdgpu: potential uninitialized variable in amdgpu_vce_ring_parse_cs()
  drm/amd/powerplay: initialize a variable before using it
  drm/amd/powerplay: suppress KASAN out of bounds warning in vega10_populate_all_memory_levels
  drm/amd/amdgpu: fix evicted VRAM bo adjudgement condition
  drm/vblank: Tune drm_crtc_accurate_vblank_count() WARN down to a debug
  drm/rockchip: add CONFIG_OF dependency for lvds
  ...

1 files changed, 586 insertions, 0 deletions

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),
+	},
+};