From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Sun, 11 Sep 2016 04:34:46 -0300
Subject: Linux-libre 4.7.1-gnu

---
 drivers/gpu/drm/exynos/Kconfig                |    3 +-
 drivers/gpu/drm/exynos/Makefile               |    2 +-
 drivers/gpu/drm/exynos/exynos5433_drm_decon.c |   92 +-
 drivers/gpu/drm/exynos/exynos7_drm_decon.c    |    2 -
 drivers/gpu/drm/exynos/exynos_dp.c            |  312 +++++
 drivers/gpu/drm/exynos/exynos_dp_core.c       | 1499 -------------------------
 drivers/gpu/drm/exynos/exynos_dp_core.h       |  282 -----
 drivers/gpu/drm/exynos/exynos_dp_reg.c        | 1263 ---------------------
 drivers/gpu/drm/exynos/exynos_dp_reg.h        |  366 ------
 drivers/gpu/drm/exynos/exynos_drm_core.c      |    1 -
 drivers/gpu/drm/exynos/exynos_drm_crtc.c      |   25 +-
 drivers/gpu/drm/exynos/exynos_drm_dpi.c       |   69 +-
 drivers/gpu/drm/exynos/exynos_drm_drv.c       |   14 +-
 drivers/gpu/drm/exynos/exynos_drm_drv.h       |   30 +-
 drivers/gpu/drm/exynos/exynos_drm_dsi.c       |   84 +-
 drivers/gpu/drm/exynos/exynos_drm_fb.c        |   14 +-
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c     |   22 +-
 drivers/gpu/drm/exynos/exynos_drm_fimd.c      |  106 +-
 drivers/gpu/drm/exynos/exynos_drm_g2d.c       |   22 +-
 drivers/gpu/drm/exynos/exynos_drm_gem.c       |   99 +-
 drivers/gpu/drm/exynos/exynos_drm_gem.h       |   12 +-
 drivers/gpu/drm/exynos/exynos_drm_plane.c     |    4 +-
 drivers/gpu/drm/exynos/exynos_drm_rotator.c   |   11 +-
 drivers/gpu/drm/exynos/exynos_hdmi.c          |  801 +++++++------
 drivers/gpu/drm/exynos/exynos_mixer.c         |   69 +-
 drivers/gpu/drm/exynos/regs-hdmi.h            |    9 +-
 26 files changed, 942 insertions(+), 4271 deletions(-)
 create mode 100644 drivers/gpu/drm/exynos/exynos_dp.c
 delete mode 100644 drivers/gpu/drm/exynos/exynos_dp_core.c
 delete mode 100644 drivers/gpu/drm/exynos/exynos_dp_core.h
 delete mode 100644 drivers/gpu/drm/exynos/exynos_dp_reg.c
 delete mode 100644 drivers/gpu/drm/exynos/exynos_dp_reg.h

(limited to 'drivers/gpu/drm/exynos')

diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig
index baddf33fb..d814b3048 100644
--- a/drivers/gpu/drm/exynos/Kconfig
+++ b/drivers/gpu/drm/exynos/Kconfig
@@ -71,8 +71,9 @@ config DRM_EXYNOS_DSI
 	  This enables support for Exynos MIPI-DSI device.
 
 config DRM_EXYNOS_DP
-	bool "Display Port"
+	bool "EXYNOS specific extensions for Analogix DP driver"
 	depends on DRM_EXYNOS_FIMD || DRM_EXYNOS7_DECON
+	select DRM_ANALOGIX_DP
 	default DRM_EXYNOS
 	select DRM_PANEL
 	help
diff --git a/drivers/gpu/drm/exynos/Makefile b/drivers/gpu/drm/exynos/Makefile
index 23d2f9587..f663490e9 100644
--- a/drivers/gpu/drm/exynos/Makefile
+++ b/drivers/gpu/drm/exynos/Makefile
@@ -12,7 +12,7 @@ exynosdrm-$(CONFIG_DRM_EXYNOS5433_DECON)	+= exynos5433_drm_decon.o
 exynosdrm-$(CONFIG_DRM_EXYNOS7_DECON)	+= exynos7_drm_decon.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_DPI)	+= exynos_drm_dpi.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_DSI)	+= exynos_drm_dsi.o
-exynosdrm-$(CONFIG_DRM_EXYNOS_DP)	+= exynos_dp_core.o exynos_dp_reg.o
+exynosdrm-$(CONFIG_DRM_EXYNOS_DP)	+= exynos_dp.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_MIXER)	+= exynos_mixer.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_HDMI)	+= exynos_hdmi.o
 exynosdrm-$(CONFIG_DRM_EXYNOS_VIDI)	+= exynos_drm_vidi.o
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 5245bc5e8..ac21b4000 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -28,6 +28,10 @@
 #define WINDOWS_NR	3
 #define MIN_FB_WIDTH_FOR_16WORD_BURST	128
 
+#define IFTYPE_I80	(1 << 0)
+#define I80_HW_TRG	(1 << 1)
+#define IFTYPE_HDMI	(1 << 2)
+
 static const char * const decon_clks_name[] = {
 	"pclk",
 	"aclk_decon",
@@ -38,12 +42,6 @@ static const char * const decon_clks_name[] = {
 	"sclk_decon_eclk",
 };
 
-enum decon_iftype {
-	IFTYPE_RGB,
-	IFTYPE_I80,
-	IFTYPE_HDMI
-};
-
 enum decon_flag_bits {
 	BIT_CLKS_ENABLED,
 	BIT_IRQS_ENABLED,
@@ -61,7 +59,7 @@ struct decon_context {
 	struct clk			*clks[ARRAY_SIZE(decon_clks_name)];
 	int				pipe;
 	unsigned long			flags;
-	enum decon_iftype		out_type;
+	unsigned long			out_type;
 	int				first_win;
 };
 
@@ -95,7 +93,7 @@ static int decon_enable_vblank(struct exynos_drm_crtc *crtc)
 
 	if (!test_and_set_bit(BIT_IRQS_ENABLED, &ctx->flags)) {
 		val = VIDINTCON0_INTEN;
-		if (ctx->out_type == IFTYPE_I80)
+		if (ctx->out_type & IFTYPE_I80)
 			val |= VIDINTCON0_FRAMEDONE;
 		else
 			val |= VIDINTCON0_INTFRMEN;
@@ -119,11 +117,11 @@ static void decon_disable_vblank(struct exynos_drm_crtc *crtc)
 
 static void decon_setup_trigger(struct decon_context *ctx)
 {
-	u32 val = (ctx->out_type != IFTYPE_HDMI)
+	u32 val = !(ctx->out_type & I80_HW_TRG)
 		? TRIGCON_TRIGEN_PER_F | TRIGCON_TRIGEN_F |
 		  TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN
 		: TRIGCON_TRIGEN_PER_F | TRIGCON_TRIGEN_F |
-		  TRIGCON_HWTRIGMASK_I80_RGB | TRIGCON_HWTRIGEN_I80_RGB;
+		  TRIGCON_HWTRIGMASK | TRIGCON_HWTRIGEN;
 	writel(val, ctx->addr + DECON_TRIGCON);
 }
 
@@ -136,7 +134,7 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
 	if (test_bit(BIT_SUSPENDED, &ctx->flags))
 		return;
 
-	if (ctx->out_type == IFTYPE_HDMI) {
+	if (ctx->out_type & IFTYPE_HDMI) {
 		m->crtc_hsync_start = m->crtc_hdisplay + 10;
 		m->crtc_hsync_end = m->crtc_htotal - 92;
 		m->crtc_vsync_start = m->crtc_vdisplay + 1;
@@ -149,19 +147,24 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
 	val = CMU_CLKGAGE_MODE_SFR_F | CMU_CLKGAGE_MODE_MEM_F;
 	writel(val, ctx->addr + DECON_CMU);
 
+	if (ctx->out_type & (IFTYPE_I80 | I80_HW_TRG))
+		decon_setup_trigger(ctx);
+
 	/* lcd on and use command if */
 	val = VIDOUT_LCD_ON;
-	if (ctx->out_type == IFTYPE_I80)
+	if (ctx->out_type & IFTYPE_I80) {
 		val |= VIDOUT_COMMAND_IF;
-	else
+	} else {
 		val |= VIDOUT_RGB_IF;
+	}
+
 	writel(val, ctx->addr + DECON_VIDOUTCON0);
 
 	val = VIDTCON2_LINEVAL(m->vdisplay - 1) |
 		VIDTCON2_HOZVAL(m->hdisplay - 1);
 	writel(val, ctx->addr + DECON_VIDTCON2);
 
-	if (ctx->out_type != IFTYPE_I80) {
+	if (!(ctx->out_type & IFTYPE_I80)) {
 		val = VIDTCON00_VBPD_F(
 				m->crtc_vtotal - m->crtc_vsync_end - 1) |
 			VIDTCON00_VFPD_F(
@@ -183,10 +186,10 @@ static void decon_commit(struct exynos_drm_crtc *crtc)
 		writel(val, ctx->addr + DECON_VIDTCON11);
 	}
 
-	decon_setup_trigger(ctx);
-
 	/* enable output and display signal */
 	decon_set_bits(ctx, DECON_VIDCON0, VIDCON0_ENVID | VIDCON0_ENVID_F, ~0);
+
+	decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
 }
 
 static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,
@@ -300,7 +303,7 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
 	val = dma_addr + pitch * state->src.h;
 	writel(val, ctx->addr + DECON_VIDW0xADD1B0(win));
 
-	if (ctx->out_type != IFTYPE_HDMI)
+	if (!(ctx->out_type & IFTYPE_HDMI))
 		val = BIT_VAL(pitch - state->crtc.w * bpp, 27, 14)
 			| BIT_VAL(state->crtc.w * bpp, 13, 0);
 	else
@@ -312,9 +315,6 @@ static void decon_update_plane(struct exynos_drm_crtc *crtc,
 
 	/* window enable */
 	decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, ~0);
-
-	/* standalone update */
-	decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
 }
 
 static void decon_disable_plane(struct exynos_drm_crtc *crtc,
@@ -326,15 +326,7 @@ static void decon_disable_plane(struct exynos_drm_crtc *crtc,
 	if (test_bit(BIT_SUSPENDED, &ctx->flags))
 		return;
 
-	decon_shadow_protect_win(ctx, win, true);
-
-	/* window disable */
 	decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0);
-
-	decon_shadow_protect_win(ctx, win, false);
-
-	/* standalone update */
-	decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
 }
 
 static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
@@ -348,7 +340,10 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc)
 	for (i = ctx->first_win; i < WINDOWS_NR; i++)
 		decon_shadow_protect_win(ctx, i, false);
 
-	if (ctx->out_type == IFTYPE_I80)
+	/* standalone update */
+	decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
+
+	if (ctx->out_type & IFTYPE_I80)
 		set_bit(BIT_WIN_UPDATED, &ctx->flags);
 }
 
@@ -374,7 +369,7 @@ static void decon_swreset(struct decon_context *ctx)
 
 	WARN(tries == 0, "failed to software reset DECON\n");
 
-	if (ctx->out_type != IFTYPE_HDMI)
+	if (!(ctx->out_type & IFTYPE_HDMI))
 		return;
 
 	writel(VIDCON0_CLKVALUP | VIDCON0_VLCKFREE, ctx->addr + DECON_VIDCON0);
@@ -383,7 +378,6 @@ static void decon_swreset(struct decon_context *ctx)
 	writel(VIDCON1_VCLK_RUN_VDEN_DISABLE, ctx->addr + DECON_VIDCON1);
 	writel(CRCCTRL_CRCEN | CRCCTRL_CRCSTART_F | CRCCTRL_CRCCLKEN,
 	       ctx->addr + DECON_CRCCTRL);
-	decon_setup_trigger(ctx);
 }
 
 static void decon_enable(struct exynos_drm_crtc *crtc)
@@ -395,8 +389,12 @@ static void decon_enable(struct exynos_drm_crtc *crtc)
 
 	pm_runtime_get_sync(ctx->dev);
 
+	exynos_drm_pipe_clk_enable(crtc, true);
+
 	set_bit(BIT_CLKS_ENABLED, &ctx->flags);
 
+	decon_swreset(ctx);
+
 	/* if vblank was enabled status, enable it again. */
 	if (test_and_clear_bit(BIT_IRQS_ENABLED, &ctx->flags))
 		decon_enable_vblank(ctx->crtc);
@@ -424,6 +422,8 @@ static void decon_disable(struct exynos_drm_crtc *crtc)
 
 	clear_bit(BIT_CLKS_ENABLED, &ctx->flags);
 
+	exynos_drm_pipe_clk_enable(crtc, false);
+
 	pm_runtime_put_sync(ctx->dev);
 
 	set_bit(BIT_SUSPENDED, &ctx->flags);
@@ -433,13 +433,12 @@ static void decon_te_irq_handler(struct exynos_drm_crtc *crtc)
 {
 	struct decon_context *ctx = crtc->ctx;
 
-	if (!test_bit(BIT_CLKS_ENABLED, &ctx->flags))
+	if (!test_bit(BIT_CLKS_ENABLED, &ctx->flags) ||
+	    (ctx->out_type & I80_HW_TRG))
 		return;
 
 	if (test_and_clear_bit(BIT_WIN_UPDATED, &ctx->flags))
 		decon_set_bits(ctx, DECON_TRIGCON, TRIGCON_SWTRIGCMD, ~0);
-
-	drm_crtc_handle_vblank(&ctx->crtc->base);
 }
 
 static void decon_clear_channels(struct exynos_drm_crtc *crtc)
@@ -459,8 +458,10 @@ static void decon_clear_channels(struct exynos_drm_crtc *crtc)
 		decon_shadow_protect_win(ctx, win, true);
 		decon_set_bits(ctx, DECON_WINCONx(win), WINCONx_ENWIN_F, 0);
 		decon_shadow_protect_win(ctx, win, false);
-		decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
 	}
+
+	decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0);
+
 	/* TODO: wait for possible vsync */
 	msleep(50);
 
@@ -509,7 +510,7 @@ static int decon_bind(struct device *dev, struct device *master, void *data)
 	}
 
 	exynos_plane = &ctx->planes[ctx->first_win];
-	out_type = (ctx->out_type == IFTYPE_HDMI) ? EXYNOS_DISPLAY_TYPE_HDMI
+	out_type = (ctx->out_type & IFTYPE_HDMI) ? EXYNOS_DISPLAY_TYPE_HDMI
 						  : EXYNOS_DISPLAY_TYPE_LCD;
 	ctx->crtc = exynos_drm_crtc_create(drm_dev, &exynos_plane->base,
 					ctx->pipe, out_type,
@@ -570,6 +571,7 @@ static irqreturn_t decon_irq_handler(int irq, void *dev_id)
 
 		/* clear */
 		writel(val, ctx->addr + DECON_VIDINTCON1);
+		drm_crtc_handle_vblank(&ctx->crtc->base);
 	}
 
 out:
@@ -617,11 +619,11 @@ static const struct dev_pm_ops exynos5433_decon_pm_ops = {
 static const struct of_device_id exynos5433_decon_driver_dt_match[] = {
 	{
 		.compatible = "samsung,exynos5433-decon",
-		.data = (void *)IFTYPE_RGB
+		.data = (void *)I80_HW_TRG
 	},
 	{
 		.compatible = "samsung,exynos5433-decon-tv",
-		.data = (void *)IFTYPE_HDMI
+		.data = (void *)(I80_HW_TRG | IFTYPE_HDMI)
 	},
 	{},
 };
@@ -629,7 +631,6 @@ MODULE_DEVICE_TABLE(of, exynos5433_decon_driver_dt_match);
 
 static int exynos5433_decon_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *of_id;
 	struct device *dev = &pdev->dev;
 	struct decon_context *ctx;
 	struct resource *res;
@@ -642,14 +643,13 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
 
 	__set_bit(BIT_SUSPENDED, &ctx->flags);
 	ctx->dev = dev;
+	ctx->out_type = (unsigned long)of_device_get_match_data(dev);
 
-	of_id = of_match_device(exynos5433_decon_driver_dt_match, &pdev->dev);
-	ctx->out_type = (enum decon_iftype)of_id->data;
-
-	if (ctx->out_type == IFTYPE_HDMI)
+	if (ctx->out_type & IFTYPE_HDMI) {
 		ctx->first_win = 1;
-	else if (of_get_child_by_name(dev->of_node, "i80-if-timings"))
-		ctx->out_type = IFTYPE_I80;
+	} else if (of_get_child_by_name(dev->of_node, "i80-if-timings")) {
+		ctx->out_type |= IFTYPE_I80;
+	}
 
 	for (i = 0; i < ARRAY_SIZE(decon_clks_name); i++) {
 		struct clk *clk;
@@ -674,7 +674,7 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
 	}
 
 	res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
-			(ctx->out_type == IFTYPE_I80) ? "lcd_sys" : "vsync");
+			(ctx->out_type & IFTYPE_I80) ? "lcd_sys" : "vsync");
 	if (!res) {
 		dev_err(dev, "cannot find IRQ resource\n");
 		return -ENXIO;
diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
index 93361073a..7f9901b77 100644
--- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c
@@ -31,7 +31,6 @@
 #include "exynos_drm_plane.h"
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
-#include "exynos_drm_fbdev.h"
 #include "exynos_drm_iommu.h"
 
 /*
@@ -593,7 +592,6 @@ static const struct exynos_drm_crtc_ops decon_crtc_ops = {
 	.commit = decon_commit,
 	.enable_vblank = decon_enable_vblank,
 	.disable_vblank = decon_disable_vblank,
-	.wait_for_vblank = decon_wait_for_vblank,
 	.atomic_begin = decon_atomic_begin,
 	.update_plane = decon_update_plane,
 	.disable_plane = decon_disable_plane,
diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c
new file mode 100644
index 000000000..4c1fb3f8b
--- /dev/null
+++ b/drivers/gpu/drm/exynos/exynos_dp.c
@@ -0,0 +1,312 @@
+/*
+ * Samsung SoC DP (Display Port) interface driver.
+ *
+ * Copyright (C) 2012 Samsung Electronics Co., Ltd.
+ * Author: Jingoo Han <jg1.han@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/of_graph.h>
+#include <linux/component.h>
+#include <video/of_display_timing.h>
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+#include <drm/drmP.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/drm_panel.h>
+
+#include <drm/bridge/analogix_dp.h>
+#include <drm/exynos_drm.h>
+
+#include "exynos_drm_crtc.h"
+
+#define to_dp(nm)	container_of(nm, struct exynos_dp_device, nm)
+
+struct exynos_dp_device {
+	struct drm_encoder         encoder;
+	struct drm_connector       *connector;
+	struct drm_bridge          *ptn_bridge;
+	struct drm_device          *drm_dev;
+	struct device              *dev;
+
+	struct videomode           vm;
+	struct analogix_dp_plat_data plat_data;
+};
+
+int exynos_dp_crtc_clock_enable(struct analogix_dp_plat_data *plat_data,
+				bool enable)
+{
+	struct exynos_dp_device *dp = to_dp(plat_data);
+	struct drm_encoder *encoder = &dp->encoder;
+
+	if (!encoder->crtc)
+		return -EPERM;
+
+	exynos_drm_pipe_clk_enable(to_exynos_crtc(encoder->crtc), enable);
+
+	return 0;
+}
+
+static int exynos_dp_poweron(struct analogix_dp_plat_data *plat_data)
+{
+	return exynos_dp_crtc_clock_enable(plat_data, true);
+}
+
+static int exynos_dp_poweroff(struct analogix_dp_plat_data *plat_data)
+{
+	return exynos_dp_crtc_clock_enable(plat_data, false);
+}
+
+static int exynos_dp_get_modes(struct analogix_dp_plat_data *plat_data)
+{
+	struct exynos_dp_device *dp = to_dp(plat_data);
+	struct drm_connector *connector = dp->connector;
+	struct drm_display_mode *mode;
+	int num_modes = 0;
+
+	if (dp->plat_data.panel)
+		return num_modes;
+
+	mode = drm_mode_create(connector->dev);
+	if (!mode) {
+		DRM_ERROR("failed to create a new display mode.\n");
+		return num_modes;
+	}
+
+	drm_display_mode_from_videomode(&dp->vm, mode);
+	connector->display_info.width_mm = mode->width_mm;
+	connector->display_info.height_mm = mode->height_mm;
+
+	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+	drm_mode_set_name(mode);
+	drm_mode_probed_add(connector, mode);
+
+	return num_modes + 1;
+}
+
+static int exynos_dp_bridge_attach(struct analogix_dp_plat_data *plat_data,
+				   struct drm_bridge *bridge,
+				   struct drm_connector *connector)
+{
+	struct exynos_dp_device *dp = to_dp(plat_data);
+	struct drm_encoder *encoder = &dp->encoder;
+	int ret;
+
+	drm_connector_register(connector);
+	dp->connector = connector;
+
+	/* Pre-empt DP connector creation if there's a bridge */
+	if (dp->ptn_bridge) {
+		bridge->next = dp->ptn_bridge;
+		dp->ptn_bridge->encoder = encoder;
+		ret = drm_bridge_attach(encoder->dev, dp->ptn_bridge);
+		if (ret) {
+			DRM_ERROR("Failed to attach bridge to drm\n");
+			bridge->next = NULL;
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static void exynos_dp_mode_set(struct drm_encoder *encoder,
+			       struct drm_display_mode *mode,
+			       struct drm_display_mode *adjusted_mode)
+{
+}
+
+static void exynos_dp_nop(struct drm_encoder *encoder)
+{
+	/* do nothing */
+}
+
+static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = {
+	.mode_set = exynos_dp_mode_set,
+	.enable = exynos_dp_nop,
+	.disable = exynos_dp_nop,
+};
+
+static const struct drm_encoder_funcs exynos_dp_encoder_funcs = {
+	.destroy = drm_encoder_cleanup,
+};
+
+static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
+{
+	int ret;
+
+	ret = of_get_videomode(dp->dev->of_node, &dp->vm, OF_USE_NATIVE_MODE);
+	if (ret) {
+		DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
+		return ret;
+	}
+	return 0;
+}
+
+static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
+{
+	struct exynos_dp_device *dp = dev_get_drvdata(dev);
+	struct drm_encoder *encoder = &dp->encoder;
+	struct drm_device *drm_dev = data;
+	int pipe, ret;
+
+	/*
+	 * Just like the probe function said, we don't need the
+	 * device drvrate anymore, we should leave the charge to
+	 * analogix dp driver, set the device drvdata to NULL.
+	 */
+	dev_set_drvdata(dev, NULL);
+
+	dp->dev = dev;
+	dp->drm_dev = drm_dev;
+
+	dp->plat_data.dev_type = EXYNOS_DP;
+	dp->plat_data.power_on = exynos_dp_poweron;
+	dp->plat_data.power_off = exynos_dp_poweroff;
+	dp->plat_data.attach = exynos_dp_bridge_attach;
+	dp->plat_data.get_modes = exynos_dp_get_modes;
+
+	if (!dp->plat_data.panel && !dp->ptn_bridge) {
+		ret = exynos_dp_dt_parse_panel(dp);
+		if (ret)
+			return ret;
+	}
+
+	pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
+						  EXYNOS_DISPLAY_TYPE_LCD);
+	if (pipe < 0)
+		return pipe;
+
+	encoder->possible_crtcs = 1 << pipe;
+
+	DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
+
+	drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
+			 DRM_MODE_ENCODER_TMDS, NULL);
+
+	drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
+
+	dp->plat_data.encoder = encoder;
+
+	return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
+}
+
+static void exynos_dp_unbind(struct device *dev, struct device *master,
+			     void *data)
+{
+	return analogix_dp_unbind(dev, master, data);
+}
+
+static const struct component_ops exynos_dp_ops = {
+	.bind	= exynos_dp_bind,
+	.unbind	= exynos_dp_unbind,
+};
+
+static int exynos_dp_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct device_node *np = NULL, *endpoint = NULL;
+	struct exynos_dp_device *dp;
+
+	dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device),
+			  GFP_KERNEL);
+	if (!dp)
+		return -ENOMEM;
+
+	/*
+	 * We just use the drvdata until driver run into component
+	 * add function, and then we would set drvdata to null, so
+	 * that analogix dp driver would take charge of the drvdata.
+	 */
+	platform_set_drvdata(pdev, dp);
+
+	/* This is for the backward compatibility. */
+	np = of_parse_phandle(dev->of_node, "panel", 0);
+	if (np) {
+		dp->plat_data.panel = of_drm_find_panel(np);
+		of_node_put(np);
+		if (!dp->plat_data.panel)
+			return -EPROBE_DEFER;
+		goto out;
+	}
+
+	endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
+	if (endpoint) {
+		np = of_graph_get_remote_port_parent(endpoint);
+		if (np) {
+			/* The remote port can be either a panel or a bridge */
+			dp->plat_data.panel = of_drm_find_panel(np);
+			if (!dp->plat_data.panel) {
+				dp->ptn_bridge = of_drm_find_bridge(np);
+				if (!dp->ptn_bridge) {
+					of_node_put(np);
+					return -EPROBE_DEFER;
+				}
+			}
+			of_node_put(np);
+		} else {
+			DRM_ERROR("no remote endpoint device node found.\n");
+			return -EINVAL;
+		}
+	} else {
+		DRM_ERROR("no port endpoint subnode found.\n");
+		return -EINVAL;
+	}
+
+out:
+	return component_add(&pdev->dev, &exynos_dp_ops);
+}
+
+static int exynos_dp_remove(struct platform_device *pdev)
+{
+	component_del(&pdev->dev, &exynos_dp_ops);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int exynos_dp_suspend(struct device *dev)
+{
+	return analogix_dp_suspend(dev);
+}
+
+static int exynos_dp_resume(struct device *dev)
+{
+	return analogix_dp_resume(dev);
+}
+#endif
+
+static const struct dev_pm_ops exynos_dp_pm_ops = {
+	SET_RUNTIME_PM_OPS(exynos_dp_suspend, exynos_dp_resume, NULL)
+};
+
+static const struct of_device_id exynos_dp_match[] = {
+	{ .compatible = "samsung,exynos5-dp" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, exynos_dp_match);
+
+struct platform_driver dp_driver = {
+	.probe		= exynos_dp_probe,
+	.remove		= exynos_dp_remove,
+	.driver		= {
+		.name	= "exynos-dp",
+		.owner	= THIS_MODULE,
+		.pm	= &exynos_dp_pm_ops,
+		.of_match_table = exynos_dp_match,
+	},
+};
+
+MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
+MODULE_DESCRIPTION("Samsung Specific Analogix-DP Driver Extension");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
deleted file mode 100644
index cff8dc788..000000000
--- a/drivers/gpu/drm/exynos/exynos_dp_core.c
+++ /dev/null
@@ -1,1499 +0,0 @@
-/*
- * Samsung SoC DP (Display Port) interface driver.
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/of.h>
-#include <linux/of_gpio.h>
-#include <linux/of_graph.h>
-#include <linux/gpio.h>
-#include <linux/component.h>
-#include <linux/phy/phy.h>
-#include <video/of_display_timing.h>
-#include <video/of_videomode.h>
-
-#include <drm/drmP.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_panel.h>
-
-#include "exynos_dp_core.h"
-#include "exynos_drm_crtc.h"
-
-#define ctx_from_connector(c)	container_of(c, struct exynos_dp_device, \
-					connector)
-
-static inline struct exynos_drm_crtc *dp_to_crtc(struct exynos_dp_device *dp)
-{
-	return to_exynos_crtc(dp->encoder.crtc);
-}
-
-static inline struct exynos_dp_device *encoder_to_dp(
-						struct drm_encoder *e)
-{
-	return container_of(e, struct exynos_dp_device, encoder);
-}
-
-struct bridge_init {
-	struct i2c_client *client;
-	struct device_node *node;
-};
-
-static void exynos_dp_init_dp(struct exynos_dp_device *dp)
-{
-	exynos_dp_reset(dp);
-
-	exynos_dp_swreset(dp);
-
-	exynos_dp_init_analog_param(dp);
-	exynos_dp_init_interrupt(dp);
-
-	/* SW defined function Normal operation */
-	exynos_dp_enable_sw_function(dp);
-
-	exynos_dp_config_interrupt(dp);
-	exynos_dp_init_analog_func(dp);
-
-	exynos_dp_init_hpd(dp);
-	exynos_dp_init_aux(dp);
-}
-
-static int exynos_dp_detect_hpd(struct exynos_dp_device *dp)
-{
-	int timeout_loop = 0;
-
-	while (exynos_dp_get_plug_in_status(dp) != 0) {
-		timeout_loop++;
-		if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
-			dev_err(dp->dev, "failed to get hpd plug status\n");
-			return -ETIMEDOUT;
-		}
-		usleep_range(10, 11);
-	}
-
-	return 0;
-}
-
-static unsigned char exynos_dp_calc_edid_check_sum(unsigned char *edid_data)
-{
-	int i;
-	unsigned char sum = 0;
-
-	for (i = 0; i < EDID_BLOCK_LENGTH; i++)
-		sum = sum + edid_data[i];
-
-	return sum;
-}
-
-static int exynos_dp_read_edid(struct exynos_dp_device *dp)
-{
-	unsigned char edid[EDID_BLOCK_LENGTH * 2];
-	unsigned int extend_block = 0;
-	unsigned char sum;
-	unsigned char test_vector;
-	int retval;
-
-	/*
-	 * EDID device address is 0x50.
-	 * However, if necessary, you must have set upper address
-	 * into E-EDID in I2C device, 0x30.
-	 */
-
-	/* Read Extension Flag, Number of 128-byte EDID extension blocks */
-	retval = exynos_dp_read_byte_from_i2c(dp, I2C_EDID_DEVICE_ADDR,
-				EDID_EXTENSION_FLAG,
-				&extend_block);
-	if (retval)
-		return retval;
-
-	if (extend_block > 0) {
-		dev_dbg(dp->dev, "EDID data includes a single extension!\n");
-
-		/* Read EDID data */
-		retval = exynos_dp_read_bytes_from_i2c(dp, I2C_EDID_DEVICE_ADDR,
-						EDID_HEADER_PATTERN,
-						EDID_BLOCK_LENGTH,
-						&edid[EDID_HEADER_PATTERN]);
-		if (retval != 0) {
-			dev_err(dp->dev, "EDID Read failed!\n");
-			return -EIO;
-		}
-		sum = exynos_dp_calc_edid_check_sum(edid);
-		if (sum != 0) {
-			dev_err(dp->dev, "EDID bad checksum!\n");
-			return -EIO;
-		}
-
-		/* Read additional EDID data */
-		retval = exynos_dp_read_bytes_from_i2c(dp,
-				I2C_EDID_DEVICE_ADDR,
-				EDID_BLOCK_LENGTH,
-				EDID_BLOCK_LENGTH,
-				&edid[EDID_BLOCK_LENGTH]);
-		if (retval != 0) {
-			dev_err(dp->dev, "EDID Read failed!\n");
-			return -EIO;
-		}
-		sum = exynos_dp_calc_edid_check_sum(&edid[EDID_BLOCK_LENGTH]);
-		if (sum != 0) {
-			dev_err(dp->dev, "EDID bad checksum!\n");
-			return -EIO;
-		}
-
-		exynos_dp_read_byte_from_dpcd(dp, DP_TEST_REQUEST,
-					&test_vector);
-		if (test_vector & DP_TEST_LINK_EDID_READ) {
-			exynos_dp_write_byte_to_dpcd(dp,
-				DP_TEST_EDID_CHECKSUM,
-				edid[EDID_BLOCK_LENGTH + EDID_CHECKSUM]);
-			exynos_dp_write_byte_to_dpcd(dp,
-				DP_TEST_RESPONSE,
-				DP_TEST_EDID_CHECKSUM_WRITE);
-		}
-	} else {
-		dev_info(dp->dev, "EDID data does not include any extensions.\n");
-
-		/* Read EDID data */
-		retval = exynos_dp_read_bytes_from_i2c(dp,
-				I2C_EDID_DEVICE_ADDR,
-				EDID_HEADER_PATTERN,
-				EDID_BLOCK_LENGTH,
-				&edid[EDID_HEADER_PATTERN]);
-		if (retval != 0) {
-			dev_err(dp->dev, "EDID Read failed!\n");
-			return -EIO;
-		}
-		sum = exynos_dp_calc_edid_check_sum(edid);
-		if (sum != 0) {
-			dev_err(dp->dev, "EDID bad checksum!\n");
-			return -EIO;
-		}
-
-		exynos_dp_read_byte_from_dpcd(dp,
-			DP_TEST_REQUEST,
-			&test_vector);
-		if (test_vector & DP_TEST_LINK_EDID_READ) {
-			exynos_dp_write_byte_to_dpcd(dp,
-				DP_TEST_EDID_CHECKSUM,
-				edid[EDID_CHECKSUM]);
-			exynos_dp_write_byte_to_dpcd(dp,
-				DP_TEST_RESPONSE,
-				DP_TEST_EDID_CHECKSUM_WRITE);
-		}
-	}
-
-	dev_dbg(dp->dev, "EDID Read success!\n");
-	return 0;
-}
-
-static int exynos_dp_handle_edid(struct exynos_dp_device *dp)
-{
-	u8 buf[12];
-	int i;
-	int retval;
-
-	/* Read DPCD DP_DPCD_REV~RECEIVE_PORT1_CAP_1 */
-	retval = exynos_dp_read_bytes_from_dpcd(dp, DP_DPCD_REV,
-				12, buf);
-	if (retval)
-		return retval;
-
-	/* Read EDID */
-	for (i = 0; i < 3; i++) {
-		retval = exynos_dp_read_edid(dp);
-		if (!retval)
-			break;
-	}
-
-	return retval;
-}
-
-static void exynos_dp_enable_rx_to_enhanced_mode(struct exynos_dp_device *dp,
-						bool enable)
-{
-	u8 data;
-
-	exynos_dp_read_byte_from_dpcd(dp, DP_LANE_COUNT_SET, &data);
-
-	if (enable)
-		exynos_dp_write_byte_to_dpcd(dp, DP_LANE_COUNT_SET,
-			DP_LANE_COUNT_ENHANCED_FRAME_EN |
-			DPCD_LANE_COUNT_SET(data));
-	else
-		exynos_dp_write_byte_to_dpcd(dp, DP_LANE_COUNT_SET,
-			DPCD_LANE_COUNT_SET(data));
-}
-
-static int exynos_dp_is_enhanced_mode_available(struct exynos_dp_device *dp)
-{
-	u8 data;
-	int retval;
-
-	exynos_dp_read_byte_from_dpcd(dp, DP_MAX_LANE_COUNT, &data);
-	retval = DPCD_ENHANCED_FRAME_CAP(data);
-
-	return retval;
-}
-
-static void exynos_dp_set_enhanced_mode(struct exynos_dp_device *dp)
-{
-	u8 data;
-
-	data = exynos_dp_is_enhanced_mode_available(dp);
-	exynos_dp_enable_rx_to_enhanced_mode(dp, data);
-	exynos_dp_enable_enhanced_mode(dp, data);
-}
-
-static void exynos_dp_training_pattern_dis(struct exynos_dp_device *dp)
-{
-	exynos_dp_set_training_pattern(dp, DP_NONE);
-
-	exynos_dp_write_byte_to_dpcd(dp,
-		DP_TRAINING_PATTERN_SET,
-		DP_TRAINING_PATTERN_DISABLE);
-}
-
-static void exynos_dp_set_lane_lane_pre_emphasis(struct exynos_dp_device *dp,
-					int pre_emphasis, int lane)
-{
-	switch (lane) {
-	case 0:
-		exynos_dp_set_lane0_pre_emphasis(dp, pre_emphasis);
-		break;
-	case 1:
-		exynos_dp_set_lane1_pre_emphasis(dp, pre_emphasis);
-		break;
-
-	case 2:
-		exynos_dp_set_lane2_pre_emphasis(dp, pre_emphasis);
-		break;
-
-	case 3:
-		exynos_dp_set_lane3_pre_emphasis(dp, pre_emphasis);
-		break;
-	}
-}
-
-static int exynos_dp_link_start(struct exynos_dp_device *dp)
-{
-	u8 buf[4];
-	int lane, lane_count, pll_tries, retval;
-
-	lane_count = dp->link_train.lane_count;
-
-	dp->link_train.lt_state = CLOCK_RECOVERY;
-	dp->link_train.eq_loop = 0;
-
-	for (lane = 0; lane < lane_count; lane++)
-		dp->link_train.cr_loop[lane] = 0;
-
-	/* Set link rate and count as you want to establish*/
-	exynos_dp_set_link_bandwidth(dp, dp->link_train.link_rate);
-	exynos_dp_set_lane_count(dp, dp->link_train.lane_count);
-
-	/* Setup RX configuration */
-	buf[0] = dp->link_train.link_rate;
-	buf[1] = dp->link_train.lane_count;
-	retval = exynos_dp_write_bytes_to_dpcd(dp, DP_LINK_BW_SET,
-				2, buf);
-	if (retval)
-		return retval;
-
-	/* Set TX pre-emphasis to minimum */
-	for (lane = 0; lane < lane_count; lane++)
-		exynos_dp_set_lane_lane_pre_emphasis(dp,
-			PRE_EMPHASIS_LEVEL_0, lane);
-
-	/* Wait for PLL lock */
-	pll_tries = 0;
-	while (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
-		if (pll_tries == DP_TIMEOUT_LOOP_COUNT) {
-			dev_err(dp->dev, "Wait for PLL lock timed out\n");
-			return -ETIMEDOUT;
-		}
-
-		pll_tries++;
-		usleep_range(90, 120);
-	}
-
-	/* Set training pattern 1 */
-	exynos_dp_set_training_pattern(dp, TRAINING_PTN1);
-
-	/* Set RX training pattern */
-	retval = exynos_dp_write_byte_to_dpcd(dp,
-			DP_TRAINING_PATTERN_SET,
-			DP_LINK_SCRAMBLING_DISABLE | DP_TRAINING_PATTERN_1);
-	if (retval)
-		return retval;
-
-	for (lane = 0; lane < lane_count; lane++)
-		buf[lane] = DP_TRAIN_PRE_EMPH_LEVEL_0 |
-			    DP_TRAIN_VOLTAGE_SWING_LEVEL_0;
-
-	retval = exynos_dp_write_bytes_to_dpcd(dp, DP_TRAINING_LANE0_SET,
-			lane_count, buf);
-
-	return retval;
-}
-
-static unsigned char exynos_dp_get_lane_status(u8 link_status[2], int lane)
-{
-	int shift = (lane & 1) * 4;
-	u8 link_value = link_status[lane>>1];
-
-	return (link_value >> shift) & 0xf;
-}
-
-static int exynos_dp_clock_recovery_ok(u8 link_status[2], int lane_count)
-{
-	int lane;
-	u8 lane_status;
-
-	for (lane = 0; lane < lane_count; lane++) {
-		lane_status = exynos_dp_get_lane_status(link_status, lane);
-		if ((lane_status & DP_LANE_CR_DONE) == 0)
-			return -EINVAL;
-	}
-	return 0;
-}
-
-static int exynos_dp_channel_eq_ok(u8 link_status[2], u8 link_align,
-				int lane_count)
-{
-	int lane;
-	u8 lane_status;
-
-	if ((link_align & DP_INTERLANE_ALIGN_DONE) == 0)
-		return -EINVAL;
-
-	for (lane = 0; lane < lane_count; lane++) {
-		lane_status = exynos_dp_get_lane_status(link_status, lane);
-		lane_status &= DP_CHANNEL_EQ_BITS;
-		if (lane_status != DP_CHANNEL_EQ_BITS)
-			return -EINVAL;
-	}
-
-	return 0;
-}
-
-static unsigned char exynos_dp_get_adjust_request_voltage(u8 adjust_request[2],
-							int lane)
-{
-	int shift = (lane & 1) * 4;
-	u8 link_value = adjust_request[lane>>1];
-
-	return (link_value >> shift) & 0x3;
-}
-
-static unsigned char exynos_dp_get_adjust_request_pre_emphasis(
-					u8 adjust_request[2],
-					int lane)
-{
-	int shift = (lane & 1) * 4;
-	u8 link_value = adjust_request[lane>>1];
-
-	return ((link_value >> shift) & 0xc) >> 2;
-}
-
-static void exynos_dp_set_lane_link_training(struct exynos_dp_device *dp,
-					u8 training_lane_set, int lane)
-{
-	switch (lane) {
-	case 0:
-		exynos_dp_set_lane0_link_training(dp, training_lane_set);
-		break;
-	case 1:
-		exynos_dp_set_lane1_link_training(dp, training_lane_set);
-		break;
-
-	case 2:
-		exynos_dp_set_lane2_link_training(dp, training_lane_set);
-		break;
-
-	case 3:
-		exynos_dp_set_lane3_link_training(dp, training_lane_set);
-		break;
-	}
-}
-
-static unsigned int exynos_dp_get_lane_link_training(
-				struct exynos_dp_device *dp,
-				int lane)
-{
-	u32 reg;
-
-	switch (lane) {
-	case 0:
-		reg = exynos_dp_get_lane0_link_training(dp);
-		break;
-	case 1:
-		reg = exynos_dp_get_lane1_link_training(dp);
-		break;
-	case 2:
-		reg = exynos_dp_get_lane2_link_training(dp);
-		break;
-	case 3:
-		reg = exynos_dp_get_lane3_link_training(dp);
-		break;
-	default:
-		WARN_ON(1);
-		return 0;
-	}
-
-	return reg;
-}
-
-static void exynos_dp_reduce_link_rate(struct exynos_dp_device *dp)
-{
-	exynos_dp_training_pattern_dis(dp);
-	exynos_dp_set_enhanced_mode(dp);
-
-	dp->link_train.lt_state = FAILED;
-}
-
-static void exynos_dp_get_adjust_training_lane(struct exynos_dp_device *dp,
-					u8 adjust_request[2])
-{
-	int lane, lane_count;
-	u8 voltage_swing, pre_emphasis, training_lane;
-
-	lane_count = dp->link_train.lane_count;
-	for (lane = 0; lane < lane_count; lane++) {
-		voltage_swing = exynos_dp_get_adjust_request_voltage(
-						adjust_request, lane);
-		pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
-						adjust_request, lane);
-		training_lane = DPCD_VOLTAGE_SWING_SET(voltage_swing) |
-				DPCD_PRE_EMPHASIS_SET(pre_emphasis);
-
-		if (voltage_swing == VOLTAGE_LEVEL_3)
-			training_lane |= DP_TRAIN_MAX_SWING_REACHED;
-		if (pre_emphasis == PRE_EMPHASIS_LEVEL_3)
-			training_lane |= DP_TRAIN_MAX_PRE_EMPHASIS_REACHED;
-
-		dp->link_train.training_lane[lane] = training_lane;
-	}
-}
-
-static int exynos_dp_process_clock_recovery(struct exynos_dp_device *dp)
-{
-	int lane, lane_count, retval;
-	u8 voltage_swing, pre_emphasis, training_lane;
-	u8 link_status[2], adjust_request[2];
-
-	usleep_range(100, 101);
-
-	lane_count = dp->link_train.lane_count;
-
-	retval =  exynos_dp_read_bytes_from_dpcd(dp,
-			DP_LANE0_1_STATUS, 2, link_status);
-	if (retval)
-		return retval;
-
-	retval =  exynos_dp_read_bytes_from_dpcd(dp,
-			DP_ADJUST_REQUEST_LANE0_1, 2, adjust_request);
-	if (retval)
-		return retval;
-
-	if (exynos_dp_clock_recovery_ok(link_status, lane_count) == 0) {
-		/* set training pattern 2 for EQ */
-		exynos_dp_set_training_pattern(dp, TRAINING_PTN2);
-
-		retval = exynos_dp_write_byte_to_dpcd(dp,
-				DP_TRAINING_PATTERN_SET,
-				DP_LINK_SCRAMBLING_DISABLE |
-				DP_TRAINING_PATTERN_2);
-		if (retval)
-			return retval;
-
-		dev_info(dp->dev, "Link Training Clock Recovery success\n");
-		dp->link_train.lt_state = EQUALIZER_TRAINING;
-	} else {
-		for (lane = 0; lane < lane_count; lane++) {
-			training_lane = exynos_dp_get_lane_link_training(
-							dp, lane);
-			voltage_swing = exynos_dp_get_adjust_request_voltage(
-							adjust_request, lane);
-			pre_emphasis = exynos_dp_get_adjust_request_pre_emphasis(
-							adjust_request, lane);
-
-			if (DPCD_VOLTAGE_SWING_GET(training_lane) ==
-					voltage_swing &&
-			    DPCD_PRE_EMPHASIS_GET(training_lane) ==
-					pre_emphasis)
-				dp->link_train.cr_loop[lane]++;
-
-			if (dp->link_train.cr_loop[lane] == MAX_CR_LOOP ||
-			    voltage_swing == VOLTAGE_LEVEL_3 ||
-			    pre_emphasis == PRE_EMPHASIS_LEVEL_3) {
-				dev_err(dp->dev, "CR Max reached (%d,%d,%d)\n",
-					dp->link_train.cr_loop[lane],
-					voltage_swing, pre_emphasis);
-				exynos_dp_reduce_link_rate(dp);
-				return -EIO;
-			}
-		}
-	}
-
-	exynos_dp_get_adjust_training_lane(dp, adjust_request);
-
-	for (lane = 0; lane < lane_count; lane++)
-		exynos_dp_set_lane_link_training(dp,
-			dp->link_train.training_lane[lane], lane);
-
-	retval = exynos_dp_write_bytes_to_dpcd(dp,
-			DP_TRAINING_LANE0_SET, lane_count,
-			dp->link_train.training_lane);
-	if (retval)
-		return retval;
-
-	return retval;
-}
-
-static int exynos_dp_process_equalizer_training(struct exynos_dp_device *dp)
-{
-	int lane, lane_count, retval;
-	u32 reg;
-	u8 link_align, link_status[2], adjust_request[2];
-
-	usleep_range(400, 401);
-
-	lane_count = dp->link_train.lane_count;
-
-	retval = exynos_dp_read_bytes_from_dpcd(dp,
-			DP_LANE0_1_STATUS, 2, link_status);
-	if (retval)
-		return retval;
-
-	if (exynos_dp_clock_recovery_ok(link_status, lane_count)) {
-		exynos_dp_reduce_link_rate(dp);
-		return -EIO;
-	}
-
-	retval = exynos_dp_read_bytes_from_dpcd(dp,
-			DP_ADJUST_REQUEST_LANE0_1, 2, adjust_request);
-	if (retval)
-		return retval;
-
-	retval = exynos_dp_read_byte_from_dpcd(dp,
-			DP_LANE_ALIGN_STATUS_UPDATED, &link_align);
-	if (retval)
-		return retval;
-
-	exynos_dp_get_adjust_training_lane(dp, adjust_request);
-
-	if (!exynos_dp_channel_eq_ok(link_status, link_align, lane_count)) {
-		/* traing pattern Set to Normal */
-		exynos_dp_training_pattern_dis(dp);
-
-		dev_info(dp->dev, "Link Training success!\n");
-
-		exynos_dp_get_link_bandwidth(dp, &reg);
-		dp->link_train.link_rate = reg;
-		dev_dbg(dp->dev, "final bandwidth = %.2x\n",
-			dp->link_train.link_rate);
-
-		exynos_dp_get_lane_count(dp, &reg);
-		dp->link_train.lane_count = reg;
-		dev_dbg(dp->dev, "final lane count = %.2x\n",
-			dp->link_train.lane_count);
-
-		/* set enhanced mode if available */
-		exynos_dp_set_enhanced_mode(dp);
-		dp->link_train.lt_state = FINISHED;
-
-		return 0;
-	}
-
-	/* not all locked */
-	dp->link_train.eq_loop++;
-
-	if (dp->link_train.eq_loop > MAX_EQ_LOOP) {
-		dev_err(dp->dev, "EQ Max loop\n");
-		exynos_dp_reduce_link_rate(dp);
-		return -EIO;
-	}
-
-	for (lane = 0; lane < lane_count; lane++)
-		exynos_dp_set_lane_link_training(dp,
-			dp->link_train.training_lane[lane], lane);
-
-	retval = exynos_dp_write_bytes_to_dpcd(dp, DP_TRAINING_LANE0_SET,
-			lane_count, dp->link_train.training_lane);
-
-	return retval;
-}
-
-static void exynos_dp_get_max_rx_bandwidth(struct exynos_dp_device *dp,
-					u8 *bandwidth)
-{
-	u8 data;
-
-	/*
-	 * For DP rev.1.1, Maximum link rate of Main Link lanes
-	 * 0x06 = 1.62 Gbps, 0x0a = 2.7 Gbps
-	 */
-	exynos_dp_read_byte_from_dpcd(dp, DP_MAX_LINK_RATE, &data);
-	*bandwidth = data;
-}
-
-static void exynos_dp_get_max_rx_lane_count(struct exynos_dp_device *dp,
-					u8 *lane_count)
-{
-	u8 data;
-
-	/*
-	 * For DP rev.1.1, Maximum number of Main Link lanes
-	 * 0x01 = 1 lane, 0x02 = 2 lanes, 0x04 = 4 lanes
-	 */
-	exynos_dp_read_byte_from_dpcd(dp, DP_MAX_LANE_COUNT, &data);
-	*lane_count = DPCD_MAX_LANE_COUNT(data);
-}
-
-static void exynos_dp_init_training(struct exynos_dp_device *dp,
-			enum link_lane_count_type max_lane,
-			enum link_rate_type max_rate)
-{
-	/*
-	 * MACRO_RST must be applied after the PLL_LOCK to avoid
-	 * the DP inter pair skew issue for at least 10 us
-	 */
-	exynos_dp_reset_macro(dp);
-
-	/* Initialize by reading RX's DPCD */
-	exynos_dp_get_max_rx_bandwidth(dp, &dp->link_train.link_rate);
-	exynos_dp_get_max_rx_lane_count(dp, &dp->link_train.lane_count);
-
-	if ((dp->link_train.link_rate != LINK_RATE_1_62GBPS) &&
-	   (dp->link_train.link_rate != LINK_RATE_2_70GBPS)) {
-		dev_err(dp->dev, "Rx Max Link Rate is abnormal :%x !\n",
-			dp->link_train.link_rate);
-		dp->link_train.link_rate = LINK_RATE_1_62GBPS;
-	}
-
-	if (dp->link_train.lane_count == 0) {
-		dev_err(dp->dev, "Rx Max Lane count is abnormal :%x !\n",
-			dp->link_train.lane_count);
-		dp->link_train.lane_count = (u8)LANE_COUNT1;
-	}
-
-	/* Setup TX lane count & rate */
-	if (dp->link_train.lane_count > max_lane)
-		dp->link_train.lane_count = max_lane;
-	if (dp->link_train.link_rate > max_rate)
-		dp->link_train.link_rate = max_rate;
-
-	/* All DP analog module power up */
-	exynos_dp_set_analog_power_down(dp, POWER_ALL, 0);
-}
-
-static int exynos_dp_sw_link_training(struct exynos_dp_device *dp)
-{
-	int retval = 0, training_finished = 0;
-
-	dp->link_train.lt_state = START;
-
-	/* Process here */
-	while (!retval && !training_finished) {
-		switch (dp->link_train.lt_state) {
-		case START:
-			retval = exynos_dp_link_start(dp);
-			if (retval)
-				dev_err(dp->dev, "LT link start failed!\n");
-			break;
-		case CLOCK_RECOVERY:
-			retval = exynos_dp_process_clock_recovery(dp);
-			if (retval)
-				dev_err(dp->dev, "LT CR failed!\n");
-			break;
-		case EQUALIZER_TRAINING:
-			retval = exynos_dp_process_equalizer_training(dp);
-			if (retval)
-				dev_err(dp->dev, "LT EQ failed!\n");
-			break;
-		case FINISHED:
-			training_finished = 1;
-			break;
-		case FAILED:
-			return -EREMOTEIO;
-		}
-	}
-	if (retval)
-		dev_err(dp->dev, "eDP link training failed (%d)\n", retval);
-
-	return retval;
-}
-
-static int exynos_dp_set_link_train(struct exynos_dp_device *dp,
-				u32 count,
-				u32 bwtype)
-{
-	int i;
-	int retval;
-
-	for (i = 0; i < DP_TIMEOUT_LOOP_COUNT; i++) {
-		exynos_dp_init_training(dp, count, bwtype);
-		retval = exynos_dp_sw_link_training(dp);
-		if (retval == 0)
-			break;
-
-		usleep_range(100, 110);
-	}
-
-	return retval;
-}
-
-static int exynos_dp_config_video(struct exynos_dp_device *dp)
-{
-	int retval = 0;
-	int timeout_loop = 0;
-	int done_count = 0;
-
-	exynos_dp_config_video_slave_mode(dp);
-
-	exynos_dp_set_video_color_format(dp);
-
-	if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
-		dev_err(dp->dev, "PLL is not locked yet.\n");
-		return -EINVAL;
-	}
-
-	for (;;) {
-		timeout_loop++;
-		if (exynos_dp_is_slave_video_stream_clock_on(dp) == 0)
-			break;
-		if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
-			dev_err(dp->dev, "Timeout of video streamclk ok\n");
-			return -ETIMEDOUT;
-		}
-
-		usleep_range(1, 2);
-	}
-
-	/* Set to use the register calculated M/N video */
-	exynos_dp_set_video_cr_mn(dp, CALCULATED_M, 0, 0);
-
-	/* For video bist, Video timing must be generated by register */
-	exynos_dp_set_video_timing_mode(dp, VIDEO_TIMING_FROM_CAPTURE);
-
-	/* Disable video mute */
-	exynos_dp_enable_video_mute(dp, 0);
-
-	/* Configure video slave mode */
-	exynos_dp_enable_video_master(dp, 0);
-
-	timeout_loop = 0;
-
-	for (;;) {
-		timeout_loop++;
-		if (exynos_dp_is_video_stream_on(dp) == 0) {
-			done_count++;
-			if (done_count > 10)
-				break;
-		} else if (done_count) {
-			done_count = 0;
-		}
-		if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
-			dev_err(dp->dev, "Timeout of video streamclk ok\n");
-			return -ETIMEDOUT;
-		}
-
-		usleep_range(1000, 1001);
-	}
-
-	if (retval != 0)
-		dev_err(dp->dev, "Video stream is not detected!\n");
-
-	return retval;
-}
-
-static void exynos_dp_enable_scramble(struct exynos_dp_device *dp, bool enable)
-{
-	u8 data;
-
-	if (enable) {
-		exynos_dp_enable_scrambling(dp);
-
-		exynos_dp_read_byte_from_dpcd(dp,
-			DP_TRAINING_PATTERN_SET,
-			&data);
-		exynos_dp_write_byte_to_dpcd(dp,
-			DP_TRAINING_PATTERN_SET,
-			(u8)(data & ~DP_LINK_SCRAMBLING_DISABLE));
-	} else {
-		exynos_dp_disable_scrambling(dp);
-
-		exynos_dp_read_byte_from_dpcd(dp,
-			DP_TRAINING_PATTERN_SET,
-			&data);
-		exynos_dp_write_byte_to_dpcd(dp,
-			DP_TRAINING_PATTERN_SET,
-			(u8)(data | DP_LINK_SCRAMBLING_DISABLE));
-	}
-}
-
-static irqreturn_t exynos_dp_irq_handler(int irq, void *arg)
-{
-	struct exynos_dp_device *dp = arg;
-
-	enum dp_irq_type irq_type;
-
-	irq_type = exynos_dp_get_irq_type(dp);
-	switch (irq_type) {
-	case DP_IRQ_TYPE_HP_CABLE_IN:
-		dev_dbg(dp->dev, "Received irq - cable in\n");
-		schedule_work(&dp->hotplug_work);
-		exynos_dp_clear_hotplug_interrupts(dp);
-		break;
-	case DP_IRQ_TYPE_HP_CABLE_OUT:
-		dev_dbg(dp->dev, "Received irq - cable out\n");
-		exynos_dp_clear_hotplug_interrupts(dp);
-		break;
-	case DP_IRQ_TYPE_HP_CHANGE:
-		/*
-		 * We get these change notifications once in a while, but there
-		 * is nothing we can do with them. Just ignore it for now and
-		 * only handle cable changes.
-		 */
-		dev_dbg(dp->dev, "Received irq - hotplug change; ignoring.\n");
-		exynos_dp_clear_hotplug_interrupts(dp);
-		break;
-	default:
-		dev_err(dp->dev, "Received irq - unknown type!\n");
-		break;
-	}
-	return IRQ_HANDLED;
-}
-
-static void exynos_dp_hotplug(struct work_struct *work)
-{
-	struct exynos_dp_device *dp;
-
-	dp = container_of(work, struct exynos_dp_device, hotplug_work);
-
-	if (dp->drm_dev)
-		drm_helper_hpd_irq_event(dp->drm_dev);
-}
-
-static void exynos_dp_commit(struct drm_encoder *encoder)
-{
-	struct exynos_dp_device *dp = encoder_to_dp(encoder);
-	int ret;
-
-	/* Keep the panel disabled while we configure video */
-	if (dp->panel) {
-		if (drm_panel_disable(dp->panel))
-			DRM_ERROR("failed to disable the panel\n");
-	}
-
-	ret = exynos_dp_detect_hpd(dp);
-	if (ret) {
-		/* Cable has been disconnected, we're done */
-		return;
-	}
-
-	ret = exynos_dp_handle_edid(dp);
-	if (ret) {
-		dev_err(dp->dev, "unable to handle edid\n");
-		return;
-	}
-
-	ret = exynos_dp_set_link_train(dp, dp->video_info->lane_count,
-					dp->video_info->link_rate);
-	if (ret) {
-		dev_err(dp->dev, "unable to do link train\n");
-		return;
-	}
-
-	exynos_dp_enable_scramble(dp, 1);
-	exynos_dp_enable_rx_to_enhanced_mode(dp, 1);
-	exynos_dp_enable_enhanced_mode(dp, 1);
-
-	exynos_dp_set_lane_count(dp, dp->video_info->lane_count);
-	exynos_dp_set_link_bandwidth(dp, dp->video_info->link_rate);
-
-	exynos_dp_init_video(dp);
-	ret = exynos_dp_config_video(dp);
-	if (ret)
-		dev_err(dp->dev, "unable to config video\n");
-
-	/* Safe to enable the panel now */
-	if (dp->panel) {
-		if (drm_panel_enable(dp->panel))
-			DRM_ERROR("failed to enable the panel\n");
-	}
-
-	/* Enable video */
-	exynos_dp_start_video(dp);
-}
-
-static enum drm_connector_status exynos_dp_detect(
-				struct drm_connector *connector, bool force)
-{
-	return connector_status_connected;
-}
-
-static void exynos_dp_connector_destroy(struct drm_connector *connector)
-{
-	drm_connector_unregister(connector);
-	drm_connector_cleanup(connector);
-}
-
-static const struct drm_connector_funcs exynos_dp_connector_funcs = {
-	.dpms = drm_atomic_helper_connector_dpms,
-	.fill_modes = drm_helper_probe_single_connector_modes,
-	.detect = exynos_dp_detect,
-	.destroy = exynos_dp_connector_destroy,
-	.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 exynos_dp_get_modes(struct drm_connector *connector)
-{
-	struct exynos_dp_device *dp = ctx_from_connector(connector);
-	struct drm_display_mode *mode;
-
-	if (dp->panel)
-		return drm_panel_get_modes(dp->panel);
-
-	mode = drm_mode_create(connector->dev);
-	if (!mode) {
-		DRM_ERROR("failed to create a new display mode.\n");
-		return 0;
-	}
-
-	drm_display_mode_from_videomode(&dp->vm, mode);
-	connector->display_info.width_mm = mode->width_mm;
-	connector->display_info.height_mm = mode->height_mm;
-
-	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
-	drm_mode_set_name(mode);
-	drm_mode_probed_add(connector, mode);
-
-	return 1;
-}
-
-static struct drm_encoder *exynos_dp_best_encoder(
-			struct drm_connector *connector)
-{
-	struct exynos_dp_device *dp = ctx_from_connector(connector);
-
-	return &dp->encoder;
-}
-
-static const struct drm_connector_helper_funcs exynos_dp_connector_helper_funcs = {
-	.get_modes = exynos_dp_get_modes,
-	.best_encoder = exynos_dp_best_encoder,
-};
-
-/* returns the number of bridges attached */
-static int exynos_drm_attach_lcd_bridge(struct exynos_dp_device *dp,
-		struct drm_encoder *encoder)
-{
-	int ret;
-
-	encoder->bridge->next = dp->ptn_bridge;
-	dp->ptn_bridge->encoder = encoder;
-	ret = drm_bridge_attach(encoder->dev, dp->ptn_bridge);
-	if (ret) {
-		DRM_ERROR("Failed to attach bridge to drm\n");
-		return ret;
-	}
-
-	return 0;
-}
-
-static int exynos_dp_bridge_attach(struct drm_bridge *bridge)
-{
-	struct exynos_dp_device *dp = bridge->driver_private;
-	struct drm_encoder *encoder = &dp->encoder;
-	struct drm_connector *connector = &dp->connector;
-	int ret;
-
-	/* Pre-empt DP connector creation if there's a bridge */
-	if (dp->ptn_bridge) {
-		ret = exynos_drm_attach_lcd_bridge(dp, encoder);
-		if (!ret)
-			return 0;
-	}
-
-	connector->polled = DRM_CONNECTOR_POLL_HPD;
-
-	ret = drm_connector_init(dp->drm_dev, connector,
-			&exynos_dp_connector_funcs, DRM_MODE_CONNECTOR_eDP);
-	if (ret) {
-		DRM_ERROR("Failed to initialize connector with drm\n");
-		return ret;
-	}
-
-	drm_connector_helper_add(connector, &exynos_dp_connector_helper_funcs);
-	drm_connector_register(connector);
-	drm_mode_connector_attach_encoder(connector, encoder);
-
-	if (dp->panel)
-		ret = drm_panel_attach(dp->panel, &dp->connector);
-
-	return ret;
-}
-
-static void exynos_dp_bridge_enable(struct drm_bridge *bridge)
-{
-	struct exynos_dp_device *dp = bridge->driver_private;
-	struct exynos_drm_crtc *crtc = dp_to_crtc(dp);
-
-	if (dp->dpms_mode == DRM_MODE_DPMS_ON)
-		return;
-
-	pm_runtime_get_sync(dp->dev);
-
-	if (dp->panel) {
-		if (drm_panel_prepare(dp->panel)) {
-			DRM_ERROR("failed to setup the panel\n");
-			return;
-		}
-	}
-
-	if (crtc->ops->clock_enable)
-		crtc->ops->clock_enable(dp_to_crtc(dp), true);
-
-	phy_power_on(dp->phy);
-	exynos_dp_init_dp(dp);
-	enable_irq(dp->irq);
-	exynos_dp_commit(&dp->encoder);
-
-	dp->dpms_mode = DRM_MODE_DPMS_ON;
-}
-
-static void exynos_dp_bridge_disable(struct drm_bridge *bridge)
-{
-	struct exynos_dp_device *dp = bridge->driver_private;
-	struct exynos_drm_crtc *crtc = dp_to_crtc(dp);
-
-	if (dp->dpms_mode != DRM_MODE_DPMS_ON)
-		return;
-
-	if (dp->panel) {
-		if (drm_panel_disable(dp->panel)) {
-			DRM_ERROR("failed to disable the panel\n");
-			return;
-		}
-	}
-
-	disable_irq(dp->irq);
-	flush_work(&dp->hotplug_work);
-	phy_power_off(dp->phy);
-
-	if (crtc->ops->clock_enable)
-		crtc->ops->clock_enable(dp_to_crtc(dp), false);
-
-	if (dp->panel) {
-		if (drm_panel_unprepare(dp->panel))
-			DRM_ERROR("failed to turnoff the panel\n");
-	}
-
-	pm_runtime_put_sync(dp->dev);
-
-	dp->dpms_mode = DRM_MODE_DPMS_OFF;
-}
-
-static void exynos_dp_bridge_nop(struct drm_bridge *bridge)
-{
-	/* do nothing */
-}
-
-static const struct drm_bridge_funcs exynos_dp_bridge_funcs = {
-	.enable = exynos_dp_bridge_enable,
-	.disable = exynos_dp_bridge_disable,
-	.pre_enable = exynos_dp_bridge_nop,
-	.post_disable = exynos_dp_bridge_nop,
-	.attach = exynos_dp_bridge_attach,
-};
-
-static int exynos_dp_create_connector(struct drm_encoder *encoder)
-{
-	struct exynos_dp_device *dp = encoder_to_dp(encoder);
-	struct drm_device *drm_dev = dp->drm_dev;
-	struct drm_bridge *bridge;
-	int ret;
-
-	bridge = devm_kzalloc(drm_dev->dev, sizeof(*bridge), GFP_KERNEL);
-	if (!bridge) {
-		DRM_ERROR("failed to allocate for drm bridge\n");
-		return -ENOMEM;
-	}
-
-	dp->bridge = bridge;
-
-	encoder->bridge = bridge;
-	bridge->driver_private = dp;
-	bridge->encoder = encoder;
-	bridge->funcs = &exynos_dp_bridge_funcs;
-
-	ret = drm_bridge_attach(drm_dev, bridge);
-	if (ret) {
-		DRM_ERROR("failed to attach drm bridge\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static void exynos_dp_mode_set(struct drm_encoder *encoder,
-			       struct drm_display_mode *mode,
-			       struct drm_display_mode *adjusted_mode)
-{
-}
-
-static void exynos_dp_enable(struct drm_encoder *encoder)
-{
-}
-
-static void exynos_dp_disable(struct drm_encoder *encoder)
-{
-}
-
-static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = {
-	.mode_set = exynos_dp_mode_set,
-	.enable = exynos_dp_enable,
-	.disable = exynos_dp_disable,
-};
-
-static const struct drm_encoder_funcs exynos_dp_encoder_funcs = {
-	.destroy = drm_encoder_cleanup,
-};
-
-static struct video_info *exynos_dp_dt_parse_pdata(struct device *dev)
-{
-	struct device_node *dp_node = dev->of_node;
-	struct video_info *dp_video_config;
-
-	dp_video_config = devm_kzalloc(dev,
-				sizeof(*dp_video_config), GFP_KERNEL);
-	if (!dp_video_config)
-		return ERR_PTR(-ENOMEM);
-
-	dp_video_config->h_sync_polarity =
-		of_property_read_bool(dp_node, "hsync-active-high");
-
-	dp_video_config->v_sync_polarity =
-		of_property_read_bool(dp_node, "vsync-active-high");
-
-	dp_video_config->interlaced =
-		of_property_read_bool(dp_node, "interlaced");
-
-	if (of_property_read_u32(dp_node, "samsung,color-space",
-				&dp_video_config->color_space)) {
-		dev_err(dev, "failed to get color-space\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (of_property_read_u32(dp_node, "samsung,dynamic-range",
-				&dp_video_config->dynamic_range)) {
-		dev_err(dev, "failed to get dynamic-range\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (of_property_read_u32(dp_node, "samsung,ycbcr-coeff",
-				&dp_video_config->ycbcr_coeff)) {
-		dev_err(dev, "failed to get ycbcr-coeff\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (of_property_read_u32(dp_node, "samsung,color-depth",
-				&dp_video_config->color_depth)) {
-		dev_err(dev, "failed to get color-depth\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (of_property_read_u32(dp_node, "samsung,link-rate",
-				&dp_video_config->link_rate)) {
-		dev_err(dev, "failed to get link-rate\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	if (of_property_read_u32(dp_node, "samsung,lane-count",
-				&dp_video_config->lane_count)) {
-		dev_err(dev, "failed to get lane-count\n");
-		return ERR_PTR(-EINVAL);
-	}
-
-	return dp_video_config;
-}
-
-static int exynos_dp_dt_parse_panel(struct exynos_dp_device *dp)
-{
-	int ret;
-
-	ret = of_get_videomode(dp->dev->of_node, &dp->vm, OF_USE_NATIVE_MODE);
-	if (ret) {
-		DRM_ERROR("failed: of_get_videomode() : %d\n", ret);
-		return ret;
-	}
-	return 0;
-}
-
-static int exynos_dp_bind(struct device *dev, struct device *master, void *data)
-{
-	struct exynos_dp_device *dp = dev_get_drvdata(dev);
-	struct platform_device *pdev = to_platform_device(dev);
-	struct drm_device *drm_dev = data;
-	struct drm_encoder *encoder = &dp->encoder;
-	struct resource *res;
-	unsigned int irq_flags;
-	int pipe, ret = 0;
-
-	dp->dev = &pdev->dev;
-	dp->dpms_mode = DRM_MODE_DPMS_OFF;
-
-	dp->video_info = exynos_dp_dt_parse_pdata(&pdev->dev);
-	if (IS_ERR(dp->video_info))
-		return PTR_ERR(dp->video_info);
-
-	dp->phy = devm_phy_get(dp->dev, "dp");
-	if (IS_ERR(dp->phy)) {
-		dev_err(dp->dev, "no DP phy configured\n");
-		ret = PTR_ERR(dp->phy);
-		if (ret) {
-			/*
-			 * phy itself is not enabled, so we can move forward
-			 * assigning NULL to phy pointer.
-			 */
-			if (ret == -ENOSYS || ret == -ENODEV)
-				dp->phy = NULL;
-			else
-				return ret;
-		}
-	}
-
-	if (!dp->panel && !dp->ptn_bridge) {
-		ret = exynos_dp_dt_parse_panel(dp);
-		if (ret)
-			return ret;
-	}
-
-	dp->clock = devm_clk_get(&pdev->dev, "dp");
-	if (IS_ERR(dp->clock)) {
-		dev_err(&pdev->dev, "failed to get clock\n");
-		return PTR_ERR(dp->clock);
-	}
-
-	clk_prepare_enable(dp->clock);
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	dp->reg_base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(dp->reg_base))
-		return PTR_ERR(dp->reg_base);
-
-	dp->hpd_gpio = of_get_named_gpio(dev->of_node, "samsung,hpd-gpio", 0);
-
-	if (gpio_is_valid(dp->hpd_gpio)) {
-		/*
-		 * Set up the hotplug GPIO from the device tree as an interrupt.
-		 * Simply specifying a different interrupt in the device tree
-		 * doesn't work since we handle hotplug rather differently when
-		 * using a GPIO.  We also need the actual GPIO specifier so
-		 * that we can get the current state of the GPIO.
-		 */
-		ret = devm_gpio_request_one(&pdev->dev, dp->hpd_gpio, GPIOF_IN,
-					    "hpd_gpio");
-		if (ret) {
-			dev_err(&pdev->dev, "failed to get hpd gpio\n");
-			return ret;
-		}
-		dp->irq = gpio_to_irq(dp->hpd_gpio);
-		irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING;
-	} else {
-		dp->hpd_gpio = -ENODEV;
-		dp->irq = platform_get_irq(pdev, 0);
-		irq_flags = 0;
-	}
-
-	if (dp->irq == -ENXIO) {
-		dev_err(&pdev->dev, "failed to get irq\n");
-		return -ENODEV;
-	}
-
-	INIT_WORK(&dp->hotplug_work, exynos_dp_hotplug);
-
-	ret = devm_request_irq(&pdev->dev, dp->irq, exynos_dp_irq_handler,
-			irq_flags, "exynos-dp", dp);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to request irq\n");
-		return ret;
-	}
-	disable_irq(dp->irq);
-
-	dp->drm_dev = drm_dev;
-
-	pipe = exynos_drm_crtc_get_pipe_from_type(drm_dev,
-						  EXYNOS_DISPLAY_TYPE_LCD);
-	if (pipe < 0)
-		return pipe;
-
-	encoder->possible_crtcs = 1 << pipe;
-
-	DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
-
-	drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs,
-			 DRM_MODE_ENCODER_TMDS, NULL);
-
-	drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs);
-
-	ret = exynos_dp_create_connector(encoder);
-	if (ret) {
-		DRM_ERROR("failed to create connector ret = %d\n", ret);
-		drm_encoder_cleanup(encoder);
-		return ret;
-	}
-
-	return 0;
-}
-
-static void exynos_dp_unbind(struct device *dev, struct device *master,
-				void *data)
-{
-	struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
-	exynos_dp_disable(&dp->encoder);
-}
-
-static const struct component_ops exynos_dp_ops = {
-	.bind	= exynos_dp_bind,
-	.unbind	= exynos_dp_unbind,
-};
-
-static int exynos_dp_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct device_node *np = NULL, *endpoint = NULL;
-	struct exynos_dp_device *dp;
-	int ret;
-
-	dp = devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device),
-				GFP_KERNEL);
-	if (!dp)
-		return -ENOMEM;
-
-	platform_set_drvdata(pdev, dp);
-
-	/* This is for the backward compatibility. */
-	np = of_parse_phandle(dev->of_node, "panel", 0);
-	if (np) {
-		dp->panel = of_drm_find_panel(np);
-		of_node_put(np);
-		if (!dp->panel)
-			return -EPROBE_DEFER;
-		goto out;
-	}
-
-	endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
-	if (endpoint) {
-		np = of_graph_get_remote_port_parent(endpoint);
-		if (np) {
-			/* The remote port can be either a panel or a bridge */
-			dp->panel = of_drm_find_panel(np);
-			if (!dp->panel) {
-				dp->ptn_bridge = of_drm_find_bridge(np);
-				if (!dp->ptn_bridge) {
-					of_node_put(np);
-					return -EPROBE_DEFER;
-				}
-			}
-			of_node_put(np);
-		} else {
-			DRM_ERROR("no remote endpoint device node found.\n");
-			return -EINVAL;
-		}
-	} else {
-		DRM_ERROR("no port endpoint subnode found.\n");
-		return -EINVAL;
-	}
-
-out:
-	pm_runtime_enable(dev);
-
-	ret = component_add(&pdev->dev, &exynos_dp_ops);
-	if (ret)
-		goto err_disable_pm_runtime;
-
-	return ret;
-
-err_disable_pm_runtime:
-	pm_runtime_disable(dev);
-
-	return ret;
-}
-
-static int exynos_dp_remove(struct platform_device *pdev)
-{
-	pm_runtime_disable(&pdev->dev);
-	component_del(&pdev->dev, &exynos_dp_ops);
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int exynos_dp_suspend(struct device *dev)
-{
-	struct exynos_dp_device *dp = dev_get_drvdata(dev);
-
-	clk_disable_unprepare(dp->clock);
-
-	return 0;
-}
-
-static int exynos_dp_resume(struct device *dev)
-{
-	struct exynos_dp_device *dp = dev_get_drvdata(dev);
-	int ret;
-
-	ret = clk_prepare_enable(dp->clock);
-	if (ret < 0) {
-		DRM_ERROR("Failed to prepare_enable the clock clk [%d]\n", ret);
-		return ret;
-	}
-
-	return 0;
-}
-#endif
-
-static const struct dev_pm_ops exynos_dp_pm_ops = {
-	SET_RUNTIME_PM_OPS(exynos_dp_suspend, exynos_dp_resume, NULL)
-};
-
-static const struct of_device_id exynos_dp_match[] = {
-	{ .compatible = "samsung,exynos5-dp" },
-	{},
-};
-MODULE_DEVICE_TABLE(of, exynos_dp_match);
-
-struct platform_driver dp_driver = {
-	.probe		= exynos_dp_probe,
-	.remove		= exynos_dp_remove,
-	.driver		= {
-		.name	= "exynos-dp",
-		.owner	= THIS_MODULE,
-		.pm	= &exynos_dp_pm_ops,
-		.of_match_table = exynos_dp_match,
-	},
-};
-
-MODULE_AUTHOR("Jingoo Han <jg1.han@samsung.com>");
-MODULE_DESCRIPTION("Samsung SoC DP Driver");
-MODULE_LICENSE("GPL v2");
diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.h b/drivers/gpu/drm/exynos/exynos_dp_core.h
deleted file mode 100644
index b5c2d8f47..000000000
--- a/drivers/gpu/drm/exynos/exynos_dp_core.h
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
- * Header file for Samsung DP (Display Port) interface driver.
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef _EXYNOS_DP_CORE_H
-#define _EXYNOS_DP_CORE_H
-
-#include <drm/drm_crtc.h>
-#include <drm/drm_dp_helper.h>
-#include <drm/exynos_drm.h>
-#include <video/videomode.h>
-
-#include "exynos_drm_drv.h"
-
-#define DP_TIMEOUT_LOOP_COUNT 100
-#define MAX_CR_LOOP 5
-#define MAX_EQ_LOOP 5
-
-enum link_rate_type {
-	LINK_RATE_1_62GBPS = 0x06,
-	LINK_RATE_2_70GBPS = 0x0a
-};
-
-enum link_lane_count_type {
-	LANE_COUNT1 = 1,
-	LANE_COUNT2 = 2,
-	LANE_COUNT4 = 4
-};
-
-enum link_training_state {
-	START,
-	CLOCK_RECOVERY,
-	EQUALIZER_TRAINING,
-	FINISHED,
-	FAILED
-};
-
-enum voltage_swing_level {
-	VOLTAGE_LEVEL_0,
-	VOLTAGE_LEVEL_1,
-	VOLTAGE_LEVEL_2,
-	VOLTAGE_LEVEL_3,
-};
-
-enum pre_emphasis_level {
-	PRE_EMPHASIS_LEVEL_0,
-	PRE_EMPHASIS_LEVEL_1,
-	PRE_EMPHASIS_LEVEL_2,
-	PRE_EMPHASIS_LEVEL_3,
-};
-
-enum pattern_set {
-	PRBS7,
-	D10_2,
-	TRAINING_PTN1,
-	TRAINING_PTN2,
-	DP_NONE
-};
-
-enum color_space {
-	COLOR_RGB,
-	COLOR_YCBCR422,
-	COLOR_YCBCR444
-};
-
-enum color_depth {
-	COLOR_6,
-	COLOR_8,
-	COLOR_10,
-	COLOR_12
-};
-
-enum color_coefficient {
-	COLOR_YCBCR601,
-	COLOR_YCBCR709
-};
-
-enum dynamic_range {
-	VESA,
-	CEA
-};
-
-enum pll_status {
-	PLL_UNLOCKED,
-	PLL_LOCKED
-};
-
-enum clock_recovery_m_value_type {
-	CALCULATED_M,
-	REGISTER_M
-};
-
-enum video_timing_recognition_type {
-	VIDEO_TIMING_FROM_CAPTURE,
-	VIDEO_TIMING_FROM_REGISTER
-};
-
-enum analog_power_block {
-	AUX_BLOCK,
-	CH0_BLOCK,
-	CH1_BLOCK,
-	CH2_BLOCK,
-	CH3_BLOCK,
-	ANALOG_TOTAL,
-	POWER_ALL
-};
-
-enum dp_irq_type {
-	DP_IRQ_TYPE_HP_CABLE_IN,
-	DP_IRQ_TYPE_HP_CABLE_OUT,
-	DP_IRQ_TYPE_HP_CHANGE,
-	DP_IRQ_TYPE_UNKNOWN,
-};
-
-struct video_info {
-	char *name;
-
-	bool h_sync_polarity;
-	bool v_sync_polarity;
-	bool interlaced;
-
-	enum color_space color_space;
-	enum dynamic_range dynamic_range;
-	enum color_coefficient ycbcr_coeff;
-	enum color_depth color_depth;
-
-	enum link_rate_type link_rate;
-	enum link_lane_count_type lane_count;
-};
-
-struct link_train {
-	int eq_loop;
-	int cr_loop[4];
-
-	u8 link_rate;
-	u8 lane_count;
-	u8 training_lane[4];
-
-	enum link_training_state lt_state;
-};
-
-struct exynos_dp_device {
-	struct drm_encoder	encoder;
-	struct device		*dev;
-	struct drm_device	*drm_dev;
-	struct drm_connector	connector;
-	struct drm_panel	*panel;
-	struct drm_bridge	*bridge;
-	struct drm_bridge	*ptn_bridge;
-	struct clk		*clock;
-	unsigned int		irq;
-	void __iomem		*reg_base;
-
-	struct video_info	*video_info;
-	struct link_train	link_train;
-	struct work_struct	hotplug_work;
-	struct phy		*phy;
-	int			dpms_mode;
-	int			hpd_gpio;
-	struct videomode	vm;
-};
-
-/* exynos_dp_reg.c */
-void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_stop_video(struct exynos_dp_device *dp);
-void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_init_analog_param(struct exynos_dp_device *dp);
-void exynos_dp_init_interrupt(struct exynos_dp_device *dp);
-void exynos_dp_reset(struct exynos_dp_device *dp);
-void exynos_dp_swreset(struct exynos_dp_device *dp);
-void exynos_dp_config_interrupt(struct exynos_dp_device *dp);
-enum pll_status exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp);
-void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp,
-				enum analog_power_block block,
-				bool enable);
-void exynos_dp_init_analog_func(struct exynos_dp_device *dp);
-void exynos_dp_init_hpd(struct exynos_dp_device *dp);
-enum dp_irq_type exynos_dp_get_irq_type(struct exynos_dp_device *dp);
-void exynos_dp_clear_hotplug_interrupts(struct exynos_dp_device *dp);
-void exynos_dp_reset_aux(struct exynos_dp_device *dp);
-void exynos_dp_init_aux(struct exynos_dp_device *dp);
-int exynos_dp_get_plug_in_status(struct exynos_dp_device *dp);
-void exynos_dp_enable_sw_function(struct exynos_dp_device *dp);
-int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp);
-int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp,
-				unsigned int reg_addr,
-				unsigned char data);
-int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp,
-				unsigned int reg_addr,
-				unsigned char *data);
-int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp,
-				unsigned int reg_addr,
-				unsigned int count,
-				unsigned char data[]);
-int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp,
-				unsigned int reg_addr,
-				unsigned int count,
-				unsigned char data[]);
-int exynos_dp_select_i2c_device(struct exynos_dp_device *dp,
-				unsigned int device_addr,
-				unsigned int reg_addr);
-int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp,
-				unsigned int device_addr,
-				unsigned int reg_addr,
-				unsigned int *data);
-int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp,
-				unsigned int device_addr,
-				unsigned int reg_addr,
-				unsigned int count,
-				unsigned char edid[]);
-void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype);
-void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype);
-void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count);
-void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count);
-void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_set_training_pattern(struct exynos_dp_device *dp,
-				 enum pattern_set pattern);
-void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level);
-void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level);
-void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level);
-void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level);
-void exynos_dp_set_lane0_link_training(struct exynos_dp_device *dp,
-				u32 training_lane);
-void exynos_dp_set_lane1_link_training(struct exynos_dp_device *dp,
-				u32 training_lane);
-void exynos_dp_set_lane2_link_training(struct exynos_dp_device *dp,
-				u32 training_lane);
-void exynos_dp_set_lane3_link_training(struct exynos_dp_device *dp,
-				u32 training_lane);
-u32 exynos_dp_get_lane0_link_training(struct exynos_dp_device *dp);
-u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp);
-u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp);
-u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp);
-void exynos_dp_reset_macro(struct exynos_dp_device *dp);
-void exynos_dp_init_video(struct exynos_dp_device *dp);
-
-void exynos_dp_set_video_color_format(struct exynos_dp_device *dp);
-int exynos_dp_is_slave_video_stream_clock_on(struct exynos_dp_device *dp);
-void exynos_dp_set_video_cr_mn(struct exynos_dp_device *dp,
-			enum clock_recovery_m_value_type type,
-			u32 m_value,
-			u32 n_value);
-void exynos_dp_set_video_timing_mode(struct exynos_dp_device *dp, u32 type);
-void exynos_dp_enable_video_master(struct exynos_dp_device *dp, bool enable);
-void exynos_dp_start_video(struct exynos_dp_device *dp);
-int exynos_dp_is_video_stream_on(struct exynos_dp_device *dp);
-void exynos_dp_config_video_slave_mode(struct exynos_dp_device *dp);
-void exynos_dp_enable_scrambling(struct exynos_dp_device *dp);
-void exynos_dp_disable_scrambling(struct exynos_dp_device *dp);
-
-/* I2C EDID Chip ID, Slave Address */
-#define I2C_EDID_DEVICE_ADDR			0x50
-#define I2C_E_EDID_DEVICE_ADDR			0x30
-
-#define EDID_BLOCK_LENGTH			0x80
-#define EDID_HEADER_PATTERN			0x00
-#define EDID_EXTENSION_FLAG			0x7e
-#define EDID_CHECKSUM				0x7f
-
-/* DP_MAX_LANE_COUNT */
-#define DPCD_ENHANCED_FRAME_CAP(x)		(((x) >> 7) & 0x1)
-#define DPCD_MAX_LANE_COUNT(x)			((x) & 0x1f)
-
-/* DP_LANE_COUNT_SET */
-#define DPCD_LANE_COUNT_SET(x)			((x) & 0x1f)
-
-/* DP_TRAINING_LANE0_SET */
-#define DPCD_PRE_EMPHASIS_SET(x)		(((x) & 0x3) << 3)
-#define DPCD_PRE_EMPHASIS_GET(x)		(((x) >> 3) & 0x3)
-#define DPCD_VOLTAGE_SWING_SET(x)		(((x) & 0x3) << 0)
-#define DPCD_VOLTAGE_SWING_GET(x)		(((x) >> 0) & 0x3)
-
-#endif /* _EXYNOS_DP_CORE_H */
diff --git a/drivers/gpu/drm/exynos/exynos_dp_reg.c b/drivers/gpu/drm/exynos/exynos_dp_reg.c
deleted file mode 100644
index c1f87a2a9..000000000
--- a/drivers/gpu/drm/exynos/exynos_dp_reg.c
+++ /dev/null
@@ -1,1263 +0,0 @@
-/*
- * Samsung DP (Display port) register interface driver.
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#include <linux/device.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-
-#include "exynos_dp_core.h"
-#include "exynos_dp_reg.h"
-
-#define COMMON_INT_MASK_1	0
-#define COMMON_INT_MASK_2	0
-#define COMMON_INT_MASK_3	0
-#define COMMON_INT_MASK_4	(HOTPLUG_CHG | HPD_LOST | PLUG)
-#define INT_STA_MASK		INT_HPD
-
-void exynos_dp_enable_video_mute(struct exynos_dp_device *dp, bool enable)
-{
-	u32 reg;
-
-	if (enable) {
-		reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-		reg |= HDCP_VIDEO_MUTE;
-		writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-	} else {
-		reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-		reg &= ~HDCP_VIDEO_MUTE;
-		writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-	}
-}
-
-void exynos_dp_stop_video(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-	reg &= ~VIDEO_EN;
-	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-}
-
-void exynos_dp_lane_swap(struct exynos_dp_device *dp, bool enable)
-{
-	u32 reg;
-
-	if (enable)
-		reg = LANE3_MAP_LOGIC_LANE_0 | LANE2_MAP_LOGIC_LANE_1 |
-			LANE1_MAP_LOGIC_LANE_2 | LANE0_MAP_LOGIC_LANE_3;
-	else
-		reg = LANE3_MAP_LOGIC_LANE_3 | LANE2_MAP_LOGIC_LANE_2 |
-			LANE1_MAP_LOGIC_LANE_1 | LANE0_MAP_LOGIC_LANE_0;
-
-	writel(reg, dp->reg_base + EXYNOS_DP_LANE_MAP);
-}
-
-void exynos_dp_init_analog_param(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = TX_TERMINAL_CTRL_50_OHM;
-	writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_1);
-
-	reg = SEL_24M | TX_DVDD_BIT_1_0625V;
-	writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_2);
-
-	reg = DRIVE_DVDD_BIT_1_0625V | VCO_BIT_600_MICRO;
-	writel(reg, dp->reg_base + EXYNOS_DP_ANALOG_CTL_3);
-
-	reg = PD_RING_OSC | AUX_TERMINAL_CTRL_50_OHM |
-		TX_CUR1_2X | TX_CUR_16_MA;
-	writel(reg, dp->reg_base + EXYNOS_DP_PLL_FILTER_CTL_1);
-
-	reg = CH3_AMP_400_MV | CH2_AMP_400_MV |
-		CH1_AMP_400_MV | CH0_AMP_400_MV;
-	writel(reg, dp->reg_base + EXYNOS_DP_TX_AMP_TUNING_CTL);
-}
-
-void exynos_dp_init_interrupt(struct exynos_dp_device *dp)
-{
-	/* Set interrupt pin assertion polarity as high */
-	writel(INT_POL1 | INT_POL0, dp->reg_base + EXYNOS_DP_INT_CTL);
-
-	/* Clear pending regisers */
-	writel(0xff, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
-	writel(0x4f, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_2);
-	writel(0xe0, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_3);
-	writel(0xe7, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
-	writel(0x63, dp->reg_base + EXYNOS_DP_INT_STA);
-
-	/* 0:mask,1: unmask */
-	writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_1);
-	writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_2);
-	writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_3);
-	writel(0x00, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_4);
-	writel(0x00, dp->reg_base + EXYNOS_DP_INT_STA_MASK);
-}
-
-void exynos_dp_reset(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	exynos_dp_stop_video(dp);
-	exynos_dp_enable_video_mute(dp, 0);
-
-	reg = MASTER_VID_FUNC_EN_N | SLAVE_VID_FUNC_EN_N |
-		AUD_FIFO_FUNC_EN_N | AUD_FUNC_EN_N |
-		HDCP_FUNC_EN_N | SW_FUNC_EN_N;
-	writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
-
-	reg = SSC_FUNC_EN_N | AUX_FUNC_EN_N |
-		SERDES_FIFO_FUNC_EN_N |
-		LS_CLK_DOMAIN_FUNC_EN_N;
-	writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-
-	usleep_range(20, 30);
-
-	exynos_dp_lane_swap(dp, 0);
-
-	writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
-	writel(0x40, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
-	writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-	writel(0x0, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-
-	writel(0x0, dp->reg_base + EXYNOS_DP_PKT_SEND_CTL);
-	writel(0x0, dp->reg_base + EXYNOS_DP_HDCP_CTL);
-
-	writel(0x5e, dp->reg_base + EXYNOS_DP_HPD_DEGLITCH_L);
-	writel(0x1a, dp->reg_base + EXYNOS_DP_HPD_DEGLITCH_H);
-
-	writel(0x10, dp->reg_base + EXYNOS_DP_LINK_DEBUG_CTL);
-
-	writel(0x0, dp->reg_base + EXYNOS_DP_PHY_TEST);
-
-	writel(0x0, dp->reg_base + EXYNOS_DP_VIDEO_FIFO_THRD);
-	writel(0x20, dp->reg_base + EXYNOS_DP_AUDIO_MARGIN);
-
-	writel(0x4, dp->reg_base + EXYNOS_DP_M_VID_GEN_FILTER_TH);
-	writel(0x2, dp->reg_base + EXYNOS_DP_M_AUD_GEN_FILTER_TH);
-
-	writel(0x00000101, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-}
-
-void exynos_dp_swreset(struct exynos_dp_device *dp)
-{
-	writel(RESET_DP_TX, dp->reg_base + EXYNOS_DP_TX_SW_RESET);
-}
-
-void exynos_dp_config_interrupt(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	/* 0: mask, 1: unmask */
-	reg = COMMON_INT_MASK_1;
-	writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_1);
-
-	reg = COMMON_INT_MASK_2;
-	writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_2);
-
-	reg = COMMON_INT_MASK_3;
-	writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_3);
-
-	reg = COMMON_INT_MASK_4;
-	writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_MASK_4);
-
-	reg = INT_STA_MASK;
-	writel(reg, dp->reg_base + EXYNOS_DP_INT_STA_MASK);
-}
-
-enum pll_status exynos_dp_get_pll_lock_status(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_DEBUG_CTL);
-	if (reg & PLL_LOCK)
-		return PLL_LOCKED;
-	else
-		return PLL_UNLOCKED;
-}
-
-void exynos_dp_set_pll_power_down(struct exynos_dp_device *dp, bool enable)
-{
-	u32 reg;
-
-	if (enable) {
-		reg = readl(dp->reg_base + EXYNOS_DP_PLL_CTL);
-		reg |= DP_PLL_PD;
-		writel(reg, dp->reg_base + EXYNOS_DP_PLL_CTL);
-	} else {
-		reg = readl(dp->reg_base + EXYNOS_DP_PLL_CTL);
-		reg &= ~DP_PLL_PD;
-		writel(reg, dp->reg_base + EXYNOS_DP_PLL_CTL);
-	}
-}
-
-void exynos_dp_set_analog_power_down(struct exynos_dp_device *dp,
-				enum analog_power_block block,
-				bool enable)
-{
-	u32 reg;
-
-	switch (block) {
-	case AUX_BLOCK:
-		if (enable) {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg |= AUX_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		} else {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg &= ~AUX_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		}
-		break;
-	case CH0_BLOCK:
-		if (enable) {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg |= CH0_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		} else {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg &= ~CH0_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		}
-		break;
-	case CH1_BLOCK:
-		if (enable) {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg |= CH1_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		} else {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg &= ~CH1_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		}
-		break;
-	case CH2_BLOCK:
-		if (enable) {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg |= CH2_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		} else {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg &= ~CH2_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		}
-		break;
-	case CH3_BLOCK:
-		if (enable) {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg |= CH3_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		} else {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg &= ~CH3_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		}
-		break;
-	case ANALOG_TOTAL:
-		if (enable) {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg |= DP_PHY_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		} else {
-			reg = readl(dp->reg_base + EXYNOS_DP_PHY_PD);
-			reg &= ~DP_PHY_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		}
-		break;
-	case POWER_ALL:
-		if (enable) {
-			reg = DP_PHY_PD | AUX_PD | CH3_PD | CH2_PD |
-				CH1_PD | CH0_PD;
-			writel(reg, dp->reg_base + EXYNOS_DP_PHY_PD);
-		} else {
-			writel(0x00, dp->reg_base + EXYNOS_DP_PHY_PD);
-		}
-		break;
-	default:
-		break;
-	}
-}
-
-void exynos_dp_init_analog_func(struct exynos_dp_device *dp)
-{
-	u32 reg;
-	int timeout_loop = 0;
-
-	exynos_dp_set_analog_power_down(dp, POWER_ALL, 0);
-
-	reg = PLL_LOCK_CHG;
-	writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
-
-	reg = readl(dp->reg_base + EXYNOS_DP_DEBUG_CTL);
-	reg &= ~(F_PLL_LOCK | PLL_LOCK_CTRL);
-	writel(reg, dp->reg_base + EXYNOS_DP_DEBUG_CTL);
-
-	/* Power up PLL */
-	if (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
-		exynos_dp_set_pll_power_down(dp, 0);
-
-		while (exynos_dp_get_pll_lock_status(dp) == PLL_UNLOCKED) {
-			timeout_loop++;
-			if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
-				dev_err(dp->dev, "failed to get pll lock status\n");
-				return;
-			}
-			usleep_range(10, 20);
-		}
-	}
-
-	/* Enable Serdes FIFO function and Link symbol clock domain module */
-	reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-	reg &= ~(SERDES_FIFO_FUNC_EN_N | LS_CLK_DOMAIN_FUNC_EN_N
-		| AUX_FUNC_EN_N);
-	writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-}
-
-void exynos_dp_clear_hotplug_interrupts(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	if (gpio_is_valid(dp->hpd_gpio))
-		return;
-
-	reg = HOTPLUG_CHG | HPD_LOST | PLUG;
-	writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
-
-	reg = INT_HPD;
-	writel(reg, dp->reg_base + EXYNOS_DP_INT_STA);
-}
-
-void exynos_dp_init_hpd(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	if (gpio_is_valid(dp->hpd_gpio))
-		return;
-
-	exynos_dp_clear_hotplug_interrupts(dp);
-
-	reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-	reg &= ~(F_HPD | HPD_CTRL);
-	writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-}
-
-enum dp_irq_type exynos_dp_get_irq_type(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	if (gpio_is_valid(dp->hpd_gpio)) {
-		reg = gpio_get_value(dp->hpd_gpio);
-		if (reg)
-			return DP_IRQ_TYPE_HP_CABLE_IN;
-		else
-			return DP_IRQ_TYPE_HP_CABLE_OUT;
-	} else {
-		/* Parse hotplug interrupt status register */
-		reg = readl(dp->reg_base + EXYNOS_DP_COMMON_INT_STA_4);
-
-		if (reg & PLUG)
-			return DP_IRQ_TYPE_HP_CABLE_IN;
-
-		if (reg & HPD_LOST)
-			return DP_IRQ_TYPE_HP_CABLE_OUT;
-
-		if (reg & HOTPLUG_CHG)
-			return DP_IRQ_TYPE_HP_CHANGE;
-
-		return DP_IRQ_TYPE_UNKNOWN;
-	}
-}
-
-void exynos_dp_reset_aux(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	/* Disable AUX channel module */
-	reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-	reg |= AUX_FUNC_EN_N;
-	writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-}
-
-void exynos_dp_init_aux(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	/* Clear inerrupts related to AUX channel */
-	reg = RPLY_RECEIV | AUX_ERR;
-	writel(reg, dp->reg_base + EXYNOS_DP_INT_STA);
-
-	exynos_dp_reset_aux(dp);
-
-	/* Disable AUX transaction H/W retry */
-	reg = AUX_BIT_PERIOD_EXPECTED_DELAY(3) | AUX_HW_RETRY_COUNT_SEL(0)|
-		AUX_HW_RETRY_INTERVAL_600_MICROSECONDS;
-	writel(reg, dp->reg_base + EXYNOS_DP_AUX_HW_RETRY_CTL);
-
-	/* Receive AUX Channel DEFER commands equal to DEFFER_COUNT*64 */
-	reg = DEFER_CTRL_EN | DEFER_COUNT(1);
-	writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_DEFER_CTL);
-
-	/* Enable AUX channel module */
-	reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-	reg &= ~AUX_FUNC_EN_N;
-	writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_2);
-}
-
-int exynos_dp_get_plug_in_status(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	if (gpio_is_valid(dp->hpd_gpio)) {
-		if (gpio_get_value(dp->hpd_gpio))
-			return 0;
-	} else {
-		reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-		if (reg & HPD_STATUS)
-			return 0;
-	}
-
-	return -EINVAL;
-}
-
-void exynos_dp_enable_sw_function(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_1);
-	reg &= ~SW_FUNC_EN_N;
-	writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
-}
-
-int exynos_dp_start_aux_transaction(struct exynos_dp_device *dp)
-{
-	int reg;
-	int retval = 0;
-	int timeout_loop = 0;
-
-	/* Enable AUX CH operation */
-	reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
-	reg |= AUX_EN;
-	writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
-
-	/* Is AUX CH command reply received? */
-	reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
-	while (!(reg & RPLY_RECEIV)) {
-		timeout_loop++;
-		if (DP_TIMEOUT_LOOP_COUNT < timeout_loop) {
-			dev_err(dp->dev, "AUX CH command reply failed!\n");
-			return -ETIMEDOUT;
-		}
-		reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
-		usleep_range(10, 11);
-	}
-
-	/* Clear interrupt source for AUX CH command reply */
-	writel(RPLY_RECEIV, dp->reg_base + EXYNOS_DP_INT_STA);
-
-	/* Clear interrupt source for AUX CH access error */
-	reg = readl(dp->reg_base + EXYNOS_DP_INT_STA);
-	if (reg & AUX_ERR) {
-		writel(AUX_ERR, dp->reg_base + EXYNOS_DP_INT_STA);
-		return -EREMOTEIO;
-	}
-
-	/* Check AUX CH error access status */
-	reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_STA);
-	if ((reg & AUX_STATUS_MASK) != 0) {
-		dev_err(dp->dev, "AUX CH error happens: %d\n\n",
-			reg & AUX_STATUS_MASK);
-		return -EREMOTEIO;
-	}
-
-	return retval;
-}
-
-int exynos_dp_write_byte_to_dpcd(struct exynos_dp_device *dp,
-				unsigned int reg_addr,
-				unsigned char data)
-{
-	u32 reg;
-	int i;
-	int retval;
-
-	for (i = 0; i < 3; i++) {
-		/* Clear AUX CH data buffer */
-		reg = BUF_CLR;
-		writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
-		/* Select DPCD device address */
-		reg = AUX_ADDR_7_0(reg_addr);
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
-		reg = AUX_ADDR_15_8(reg_addr);
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
-		reg = AUX_ADDR_19_16(reg_addr);
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
-		/* Write data buffer */
-		reg = (unsigned int)data;
-		writel(reg, dp->reg_base + EXYNOS_DP_BUF_DATA_0);
-
-		/*
-		 * Set DisplayPort transaction and write 1 byte
-		 * If bit 3 is 1, DisplayPort transaction.
-		 * If Bit 3 is 0, I2C transaction.
-		 */
-		reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE;
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
-		/* Start AUX transaction */
-		retval = exynos_dp_start_aux_transaction(dp);
-		if (retval == 0)
-			break;
-		else
-			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
-				__func__);
-	}
-
-	return retval;
-}
-
-int exynos_dp_read_byte_from_dpcd(struct exynos_dp_device *dp,
-				unsigned int reg_addr,
-				unsigned char *data)
-{
-	u32 reg;
-	int i;
-	int retval;
-
-	for (i = 0; i < 3; i++) {
-		/* Clear AUX CH data buffer */
-		reg = BUF_CLR;
-		writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
-		/* Select DPCD device address */
-		reg = AUX_ADDR_7_0(reg_addr);
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
-		reg = AUX_ADDR_15_8(reg_addr);
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
-		reg = AUX_ADDR_19_16(reg_addr);
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
-		/*
-		 * Set DisplayPort transaction and read 1 byte
-		 * If bit 3 is 1, DisplayPort transaction.
-		 * If Bit 3 is 0, I2C transaction.
-		 */
-		reg = AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_READ;
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
-		/* Start AUX transaction */
-		retval = exynos_dp_start_aux_transaction(dp);
-		if (retval == 0)
-			break;
-		else
-			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
-				__func__);
-	}
-
-	/* Read data buffer */
-	reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0);
-	*data = (unsigned char)(reg & 0xff);
-
-	return retval;
-}
-
-int exynos_dp_write_bytes_to_dpcd(struct exynos_dp_device *dp,
-				unsigned int reg_addr,
-				unsigned int count,
-				unsigned char data[])
-{
-	u32 reg;
-	unsigned int start_offset;
-	unsigned int cur_data_count;
-	unsigned int cur_data_idx;
-	int i;
-	int retval = 0;
-
-	/* Clear AUX CH data buffer */
-	reg = BUF_CLR;
-	writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
-	start_offset = 0;
-	while (start_offset < count) {
-		/* Buffer size of AUX CH is 16 * 4bytes */
-		if ((count - start_offset) > 16)
-			cur_data_count = 16;
-		else
-			cur_data_count = count - start_offset;
-
-		for (i = 0; i < 3; i++) {
-			/* Select DPCD device address */
-			reg = AUX_ADDR_7_0(reg_addr + start_offset);
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
-			reg = AUX_ADDR_15_8(reg_addr + start_offset);
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
-			reg = AUX_ADDR_19_16(reg_addr + start_offset);
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
-			for (cur_data_idx = 0; cur_data_idx < cur_data_count;
-			     cur_data_idx++) {
-				reg = data[start_offset + cur_data_idx];
-				writel(reg, dp->reg_base + EXYNOS_DP_BUF_DATA_0
-							  + 4 * cur_data_idx);
-			}
-
-			/*
-			 * Set DisplayPort transaction and write
-			 * If bit 3 is 1, DisplayPort transaction.
-			 * If Bit 3 is 0, I2C transaction.
-			 */
-			reg = AUX_LENGTH(cur_data_count) |
-				AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_WRITE;
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
-			/* Start AUX transaction */
-			retval = exynos_dp_start_aux_transaction(dp);
-			if (retval == 0)
-				break;
-			else
-				dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
-					__func__);
-		}
-
-		start_offset += cur_data_count;
-	}
-
-	return retval;
-}
-
-int exynos_dp_read_bytes_from_dpcd(struct exynos_dp_device *dp,
-				unsigned int reg_addr,
-				unsigned int count,
-				unsigned char data[])
-{
-	u32 reg;
-	unsigned int start_offset;
-	unsigned int cur_data_count;
-	unsigned int cur_data_idx;
-	int i;
-	int retval = 0;
-
-	/* Clear AUX CH data buffer */
-	reg = BUF_CLR;
-	writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
-	start_offset = 0;
-	while (start_offset < count) {
-		/* Buffer size of AUX CH is 16 * 4bytes */
-		if ((count - start_offset) > 16)
-			cur_data_count = 16;
-		else
-			cur_data_count = count - start_offset;
-
-		/* AUX CH Request Transaction process */
-		for (i = 0; i < 3; i++) {
-			/* Select DPCD device address */
-			reg = AUX_ADDR_7_0(reg_addr + start_offset);
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
-			reg = AUX_ADDR_15_8(reg_addr + start_offset);
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
-			reg = AUX_ADDR_19_16(reg_addr + start_offset);
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
-			/*
-			 * Set DisplayPort transaction and read
-			 * If bit 3 is 1, DisplayPort transaction.
-			 * If Bit 3 is 0, I2C transaction.
-			 */
-			reg = AUX_LENGTH(cur_data_count) |
-				AUX_TX_COMM_DP_TRANSACTION | AUX_TX_COMM_READ;
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
-			/* Start AUX transaction */
-			retval = exynos_dp_start_aux_transaction(dp);
-			if (retval == 0)
-				break;
-			else
-				dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
-					__func__);
-		}
-
-		for (cur_data_idx = 0; cur_data_idx < cur_data_count;
-		    cur_data_idx++) {
-			reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0
-						 + 4 * cur_data_idx);
-			data[start_offset + cur_data_idx] =
-				(unsigned char)reg;
-		}
-
-		start_offset += cur_data_count;
-	}
-
-	return retval;
-}
-
-int exynos_dp_select_i2c_device(struct exynos_dp_device *dp,
-				unsigned int device_addr,
-				unsigned int reg_addr)
-{
-	u32 reg;
-	int retval;
-
-	/* Set EDID device address */
-	reg = device_addr;
-	writel(reg, dp->reg_base + EXYNOS_DP_AUX_ADDR_7_0);
-	writel(0x0, dp->reg_base + EXYNOS_DP_AUX_ADDR_15_8);
-	writel(0x0, dp->reg_base + EXYNOS_DP_AUX_ADDR_19_16);
-
-	/* Set offset from base address of EDID device */
-	writel(reg_addr, dp->reg_base + EXYNOS_DP_BUF_DATA_0);
-
-	/*
-	 * Set I2C transaction and write address
-	 * If bit 3 is 1, DisplayPort transaction.
-	 * If Bit 3 is 0, I2C transaction.
-	 */
-	reg = AUX_TX_COMM_I2C_TRANSACTION | AUX_TX_COMM_MOT |
-		AUX_TX_COMM_WRITE;
-	writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
-	/* Start AUX transaction */
-	retval = exynos_dp_start_aux_transaction(dp);
-	if (retval != 0)
-		dev_dbg(dp->dev, "%s: Aux Transaction fail!\n", __func__);
-
-	return retval;
-}
-
-int exynos_dp_read_byte_from_i2c(struct exynos_dp_device *dp,
-				unsigned int device_addr,
-				unsigned int reg_addr,
-				unsigned int *data)
-{
-	u32 reg;
-	int i;
-	int retval;
-
-	for (i = 0; i < 3; i++) {
-		/* Clear AUX CH data buffer */
-		reg = BUF_CLR;
-		writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
-		/* Select EDID device */
-		retval = exynos_dp_select_i2c_device(dp, device_addr, reg_addr);
-		if (retval != 0)
-			continue;
-
-		/*
-		 * Set I2C transaction and read data
-		 * If bit 3 is 1, DisplayPort transaction.
-		 * If Bit 3 is 0, I2C transaction.
-		 */
-		reg = AUX_TX_COMM_I2C_TRANSACTION |
-			AUX_TX_COMM_READ;
-		writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_1);
-
-		/* Start AUX transaction */
-		retval = exynos_dp_start_aux_transaction(dp);
-		if (retval == 0)
-			break;
-		else
-			dev_dbg(dp->dev, "%s: Aux Transaction fail!\n",
-				__func__);
-	}
-
-	/* Read data */
-	if (retval == 0)
-		*data = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0);
-
-	return retval;
-}
-
-int exynos_dp_read_bytes_from_i2c(struct exynos_dp_device *dp,
-				unsigned int device_addr,
-				unsigned int reg_addr,
-				unsigned int count,
-				unsigned char edid[])
-{
-	u32 reg;
-	unsigned int i, j;
-	unsigned int cur_data_idx;
-	unsigned int defer = 0;
-	int retval = 0;
-
-	for (i = 0; i < count; i += 16) {
-		for (j = 0; j < 3; j++) {
-			/* Clear AUX CH data buffer */
-			reg = BUF_CLR;
-			writel(reg, dp->reg_base + EXYNOS_DP_BUFFER_DATA_CTL);
-
-			/* Set normal AUX CH command */
-			reg = readl(dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
-			reg &= ~ADDR_ONLY;
-			writel(reg, dp->reg_base + EXYNOS_DP_AUX_CH_CTL_2);
-
-			/*
-			 * If Rx sends defer, Tx sends only reads
-			 * request without sending address
-			 */
-			if (!defer)
-				retval = exynos_dp_select_i2c_device(dp,
-						device_addr, reg_addr + i);
-			else
-				defer = 0;
-
-			if (retval == 0) {
-				/*
-				 * Set I2C transaction and write data
-				 * If bit 3 is 1, DisplayPort transaction.
-				 * If Bit 3 is 0, I2C transaction.
-				 */
-				reg = AUX_LENGTH(16) |
-					AUX_TX_COMM_I2C_TRANSACTION |
-					AUX_TX_COMM_READ;
-				writel(reg, dp->reg_base +
-					EXYNOS_DP_AUX_CH_CTL_1);
-
-				/* Start AUX transaction */
-				retval = exynos_dp_start_aux_transaction(dp);
-				if (retval == 0)
-					break;
-				else
-					dev_dbg(dp->dev,
-						"%s: Aux Transaction fail!\n",
-						__func__);
-			}
-			/* Check if Rx sends defer */
-			reg = readl(dp->reg_base + EXYNOS_DP_AUX_RX_COMM);
-			if (reg == AUX_RX_COMM_AUX_DEFER ||
-				reg == AUX_RX_COMM_I2C_DEFER) {
-				dev_err(dp->dev, "Defer: %d\n\n", reg);
-				defer = 1;
-			}
-		}
-
-		for (cur_data_idx = 0; cur_data_idx < 16; cur_data_idx++) {
-			reg = readl(dp->reg_base + EXYNOS_DP_BUF_DATA_0
-						 + 4 * cur_data_idx);
-			edid[i + cur_data_idx] = (unsigned char)reg;
-		}
-	}
-
-	return retval;
-}
-
-void exynos_dp_set_link_bandwidth(struct exynos_dp_device *dp, u32 bwtype)
-{
-	u32 reg;
-
-	reg = bwtype;
-	if ((bwtype == LINK_RATE_2_70GBPS) || (bwtype == LINK_RATE_1_62GBPS))
-		writel(reg, dp->reg_base + EXYNOS_DP_LINK_BW_SET);
-}
-
-void exynos_dp_get_link_bandwidth(struct exynos_dp_device *dp, u32 *bwtype)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LINK_BW_SET);
-	*bwtype = reg;
-}
-
-void exynos_dp_set_lane_count(struct exynos_dp_device *dp, u32 count)
-{
-	u32 reg;
-
-	reg = count;
-	writel(reg, dp->reg_base + EXYNOS_DP_LANE_COUNT_SET);
-}
-
-void exynos_dp_get_lane_count(struct exynos_dp_device *dp, u32 *count)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LANE_COUNT_SET);
-	*count = reg;
-}
-
-void exynos_dp_enable_enhanced_mode(struct exynos_dp_device *dp, bool enable)
-{
-	u32 reg;
-
-	if (enable) {
-		reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-		reg |= ENHANCED;
-		writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-	} else {
-		reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-		reg &= ~ENHANCED;
-		writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-	}
-}
-
-void exynos_dp_set_training_pattern(struct exynos_dp_device *dp,
-				 enum pattern_set pattern)
-{
-	u32 reg;
-
-	switch (pattern) {
-	case PRBS7:
-		reg = SCRAMBLING_ENABLE | LINK_QUAL_PATTERN_SET_PRBS7;
-		writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-		break;
-	case D10_2:
-		reg = SCRAMBLING_ENABLE | LINK_QUAL_PATTERN_SET_D10_2;
-		writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-		break;
-	case TRAINING_PTN1:
-		reg = SCRAMBLING_DISABLE | SW_TRAINING_PATTERN_SET_PTN1;
-		writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-		break;
-	case TRAINING_PTN2:
-		reg = SCRAMBLING_DISABLE | SW_TRAINING_PATTERN_SET_PTN2;
-		writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-		break;
-	case DP_NONE:
-		reg = SCRAMBLING_ENABLE |
-			LINK_QUAL_PATTERN_SET_DISABLE |
-			SW_TRAINING_PATTERN_SET_NORMAL;
-		writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-		break;
-	default:
-		break;
-	}
-}
-
-void exynos_dp_set_lane0_pre_emphasis(struct exynos_dp_device *dp, u32 level)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
-	reg &= ~PRE_EMPHASIS_SET_MASK;
-	reg |= level << PRE_EMPHASIS_SET_SHIFT;
-	writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane1_pre_emphasis(struct exynos_dp_device *dp, u32 level)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
-	reg &= ~PRE_EMPHASIS_SET_MASK;
-	reg |= level << PRE_EMPHASIS_SET_SHIFT;
-	writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane2_pre_emphasis(struct exynos_dp_device *dp, u32 level)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
-	reg &= ~PRE_EMPHASIS_SET_MASK;
-	reg |= level << PRE_EMPHASIS_SET_SHIFT;
-	writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane3_pre_emphasis(struct exynos_dp_device *dp, u32 level)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
-	reg &= ~PRE_EMPHASIS_SET_MASK;
-	reg |= level << PRE_EMPHASIS_SET_SHIFT;
-	writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane0_link_training(struct exynos_dp_device *dp,
-					u32 training_lane)
-{
-	u32 reg;
-
-	reg = training_lane;
-	writel(reg, dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane1_link_training(struct exynos_dp_device *dp,
-					u32 training_lane)
-{
-	u32 reg;
-
-	reg = training_lane;
-	writel(reg, dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane2_link_training(struct exynos_dp_device *dp,
-					u32 training_lane)
-{
-	u32 reg;
-
-	reg = training_lane;
-	writel(reg, dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
-}
-
-void exynos_dp_set_lane3_link_training(struct exynos_dp_device *dp,
-					u32 training_lane)
-{
-	u32 reg;
-
-	reg = training_lane;
-	writel(reg, dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
-}
-
-u32 exynos_dp_get_lane0_link_training(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LN0_LINK_TRAINING_CTL);
-	return reg;
-}
-
-u32 exynos_dp_get_lane1_link_training(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LN1_LINK_TRAINING_CTL);
-	return reg;
-}
-
-u32 exynos_dp_get_lane2_link_training(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LN2_LINK_TRAINING_CTL);
-	return reg;
-}
-
-u32 exynos_dp_get_lane3_link_training(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_LN3_LINK_TRAINING_CTL);
-	return reg;
-}
-
-void exynos_dp_reset_macro(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_PHY_TEST);
-	reg |= MACRO_RST;
-	writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
-
-	/* 10 us is the minimum reset time. */
-	usleep_range(10, 20);
-
-	reg &= ~MACRO_RST;
-	writel(reg, dp->reg_base + EXYNOS_DP_PHY_TEST);
-}
-
-void exynos_dp_init_video(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = VSYNC_DET | VID_FORMAT_CHG | VID_CLK_CHG;
-	writel(reg, dp->reg_base + EXYNOS_DP_COMMON_INT_STA_1);
-
-	reg = 0x0;
-	writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
-
-	reg = CHA_CRI(4) | CHA_CTRL;
-	writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
-
-	reg = 0x0;
-	writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-
-	reg = VID_HRES_TH(2) | VID_VRES_TH(0);
-	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_8);
-}
-
-void exynos_dp_set_video_color_format(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	/* Configure the input color depth, color space, dynamic range */
-	reg = (dp->video_info->dynamic_range << IN_D_RANGE_SHIFT) |
-		(dp->video_info->color_depth << IN_BPC_SHIFT) |
-		(dp->video_info->color_space << IN_COLOR_F_SHIFT);
-	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_2);
-
-	/* Set Input Color YCbCr Coefficients to ITU601 or ITU709 */
-	reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_3);
-	reg &= ~IN_YC_COEFFI_MASK;
-	if (dp->video_info->ycbcr_coeff)
-		reg |= IN_YC_COEFFI_ITU709;
-	else
-		reg |= IN_YC_COEFFI_ITU601;
-	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_3);
-}
-
-int exynos_dp_is_slave_video_stream_clock_on(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_1);
-	writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_1);
-
-	reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_1);
-
-	if (!(reg & DET_STA)) {
-		dev_dbg(dp->dev, "Input stream clock not detected.\n");
-		return -EINVAL;
-	}
-
-	reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_2);
-	writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_2);
-
-	reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_2);
-	dev_dbg(dp->dev, "wait SYS_CTL_2.\n");
-
-	if (reg & CHA_STA) {
-		dev_dbg(dp->dev, "Input stream clk is changing\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-void exynos_dp_set_video_cr_mn(struct exynos_dp_device *dp,
-		enum clock_recovery_m_value_type type,
-		u32 m_value,
-		u32 n_value)
-{
-	u32 reg;
-
-	if (type == REGISTER_M) {
-		reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-		reg |= FIX_M_VID;
-		writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-		reg = m_value & 0xff;
-		writel(reg, dp->reg_base + EXYNOS_DP_M_VID_0);
-		reg = (m_value >> 8) & 0xff;
-		writel(reg, dp->reg_base + EXYNOS_DP_M_VID_1);
-		reg = (m_value >> 16) & 0xff;
-		writel(reg, dp->reg_base + EXYNOS_DP_M_VID_2);
-
-		reg = n_value & 0xff;
-		writel(reg, dp->reg_base + EXYNOS_DP_N_VID_0);
-		reg = (n_value >> 8) & 0xff;
-		writel(reg, dp->reg_base + EXYNOS_DP_N_VID_1);
-		reg = (n_value >> 16) & 0xff;
-		writel(reg, dp->reg_base + EXYNOS_DP_N_VID_2);
-	} else  {
-		reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-		reg &= ~FIX_M_VID;
-		writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_4);
-
-		writel(0x00, dp->reg_base + EXYNOS_DP_N_VID_0);
-		writel(0x80, dp->reg_base + EXYNOS_DP_N_VID_1);
-		writel(0x00, dp->reg_base + EXYNOS_DP_N_VID_2);
-	}
-}
-
-void exynos_dp_set_video_timing_mode(struct exynos_dp_device *dp, u32 type)
-{
-	u32 reg;
-
-	if (type == VIDEO_TIMING_FROM_CAPTURE) {
-		reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-		reg &= ~FORMAT_SEL;
-		writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-	} else {
-		reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-		reg |= FORMAT_SEL;
-		writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-	}
-}
-
-void exynos_dp_enable_video_master(struct exynos_dp_device *dp, bool enable)
-{
-	u32 reg;
-
-	if (enable) {
-		reg = readl(dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-		reg &= ~VIDEO_MODE_MASK;
-		reg |= VIDEO_MASTER_MODE_EN | VIDEO_MODE_MASTER_MODE;
-		writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-	} else {
-		reg = readl(dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-		reg &= ~VIDEO_MODE_MASK;
-		reg |= VIDEO_MODE_SLAVE_MODE;
-		writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-	}
-}
-
-void exynos_dp_start_video(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-	reg |= VIDEO_EN;
-	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_1);
-}
-
-int exynos_dp_is_video_stream_on(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-	writel(reg, dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-
-	reg = readl(dp->reg_base + EXYNOS_DP_SYS_CTL_3);
-	if (!(reg & STRM_VALID)) {
-		dev_dbg(dp->dev, "Input video stream is not detected.\n");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-void exynos_dp_config_video_slave_mode(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_FUNC_EN_1);
-	reg &= ~(MASTER_VID_FUNC_EN_N|SLAVE_VID_FUNC_EN_N);
-	reg |= MASTER_VID_FUNC_EN_N;
-	writel(reg, dp->reg_base + EXYNOS_DP_FUNC_EN_1);
-
-	reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-	reg &= ~INTERACE_SCAN_CFG;
-	reg |= (dp->video_info->interlaced << 2);
-	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-
-	reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-	reg &= ~VSYNC_POLARITY_CFG;
-	reg |= (dp->video_info->v_sync_polarity << 1);
-	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-
-	reg = readl(dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-	reg &= ~HSYNC_POLARITY_CFG;
-	reg |= (dp->video_info->h_sync_polarity << 0);
-	writel(reg, dp->reg_base + EXYNOS_DP_VIDEO_CTL_10);
-
-	reg = AUDIO_MODE_SPDIF_MODE | VIDEO_MODE_SLAVE_MODE;
-	writel(reg, dp->reg_base + EXYNOS_DP_SOC_GENERAL_CTL);
-}
-
-void exynos_dp_enable_scrambling(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-	reg &= ~SCRAMBLING_DISABLE;
-	writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-}
-
-void exynos_dp_disable_scrambling(struct exynos_dp_device *dp)
-{
-	u32 reg;
-
-	reg = readl(dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-	reg |= SCRAMBLING_DISABLE;
-	writel(reg, dp->reg_base + EXYNOS_DP_TRAINING_PTN_SET);
-}
diff --git a/drivers/gpu/drm/exynos/exynos_dp_reg.h b/drivers/gpu/drm/exynos/exynos_dp_reg.h
deleted file mode 100644
index 2e9bd0e0b..000000000
--- a/drivers/gpu/drm/exynos/exynos_dp_reg.h
+++ /dev/null
@@ -1,366 +0,0 @@
-/*
- * Register definition file for Samsung DP driver
- *
- * Copyright (C) 2012 Samsung Electronics Co., Ltd.
- * Author: Jingoo Han <jg1.han@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef _EXYNOS_DP_REG_H
-#define _EXYNOS_DP_REG_H
-
-#define EXYNOS_DP_TX_SW_RESET			0x14
-#define EXYNOS_DP_FUNC_EN_1			0x18
-#define EXYNOS_DP_FUNC_EN_2			0x1C
-#define EXYNOS_DP_VIDEO_CTL_1			0x20
-#define EXYNOS_DP_VIDEO_CTL_2			0x24
-#define EXYNOS_DP_VIDEO_CTL_3			0x28
-
-#define EXYNOS_DP_VIDEO_CTL_8			0x3C
-#define EXYNOS_DP_VIDEO_CTL_10			0x44
-
-#define EXYNOS_DP_LANE_MAP			0x35C
-
-#define EXYNOS_DP_ANALOG_CTL_1			0x370
-#define EXYNOS_DP_ANALOG_CTL_2			0x374
-#define EXYNOS_DP_ANALOG_CTL_3			0x378
-#define EXYNOS_DP_PLL_FILTER_CTL_1		0x37C
-#define EXYNOS_DP_TX_AMP_TUNING_CTL		0x380
-
-#define EXYNOS_DP_AUX_HW_RETRY_CTL		0x390
-
-#define EXYNOS_DP_COMMON_INT_STA_1		0x3C4
-#define EXYNOS_DP_COMMON_INT_STA_2		0x3C8
-#define EXYNOS_DP_COMMON_INT_STA_3		0x3CC
-#define EXYNOS_DP_COMMON_INT_STA_4		0x3D0
-#define EXYNOS_DP_INT_STA			0x3DC
-#define EXYNOS_DP_COMMON_INT_MASK_1		0x3E0
-#define EXYNOS_DP_COMMON_INT_MASK_2		0x3E4
-#define EXYNOS_DP_COMMON_INT_MASK_3		0x3E8
-#define EXYNOS_DP_COMMON_INT_MASK_4		0x3EC
-#define EXYNOS_DP_INT_STA_MASK			0x3F8
-#define EXYNOS_DP_INT_CTL			0x3FC
-
-#define EXYNOS_DP_SYS_CTL_1			0x600
-#define EXYNOS_DP_SYS_CTL_2			0x604
-#define EXYNOS_DP_SYS_CTL_3			0x608
-#define EXYNOS_DP_SYS_CTL_4			0x60C
-
-#define EXYNOS_DP_PKT_SEND_CTL			0x640
-#define EXYNOS_DP_HDCP_CTL			0x648
-
-#define EXYNOS_DP_LINK_BW_SET			0x680
-#define EXYNOS_DP_LANE_COUNT_SET		0x684
-#define EXYNOS_DP_TRAINING_PTN_SET		0x688
-#define EXYNOS_DP_LN0_LINK_TRAINING_CTL		0x68C
-#define EXYNOS_DP_LN1_LINK_TRAINING_CTL		0x690
-#define EXYNOS_DP_LN2_LINK_TRAINING_CTL		0x694
-#define EXYNOS_DP_LN3_LINK_TRAINING_CTL		0x698
-
-#define EXYNOS_DP_DEBUG_CTL			0x6C0
-#define EXYNOS_DP_HPD_DEGLITCH_L		0x6C4
-#define EXYNOS_DP_HPD_DEGLITCH_H		0x6C8
-#define EXYNOS_DP_LINK_DEBUG_CTL		0x6E0
-
-#define EXYNOS_DP_M_VID_0			0x700
-#define EXYNOS_DP_M_VID_1			0x704
-#define EXYNOS_DP_M_VID_2			0x708
-#define EXYNOS_DP_N_VID_0			0x70C
-#define EXYNOS_DP_N_VID_1			0x710
-#define EXYNOS_DP_N_VID_2			0x714
-
-#define EXYNOS_DP_PLL_CTL			0x71C
-#define EXYNOS_DP_PHY_PD			0x720
-#define EXYNOS_DP_PHY_TEST			0x724
-
-#define EXYNOS_DP_VIDEO_FIFO_THRD		0x730
-#define EXYNOS_DP_AUDIO_MARGIN			0x73C
-
-#define EXYNOS_DP_M_VID_GEN_FILTER_TH		0x764
-#define EXYNOS_DP_M_AUD_GEN_FILTER_TH		0x778
-#define EXYNOS_DP_AUX_CH_STA			0x780
-#define EXYNOS_DP_AUX_CH_DEFER_CTL		0x788
-#define EXYNOS_DP_AUX_RX_COMM			0x78C
-#define EXYNOS_DP_BUFFER_DATA_CTL		0x790
-#define EXYNOS_DP_AUX_CH_CTL_1			0x794
-#define EXYNOS_DP_AUX_ADDR_7_0			0x798
-#define EXYNOS_DP_AUX_ADDR_15_8			0x79C
-#define EXYNOS_DP_AUX_ADDR_19_16		0x7A0
-#define EXYNOS_DP_AUX_CH_CTL_2			0x7A4
-
-#define EXYNOS_DP_BUF_DATA_0			0x7C0
-
-#define EXYNOS_DP_SOC_GENERAL_CTL		0x800
-
-/* EXYNOS_DP_TX_SW_RESET */
-#define RESET_DP_TX				(0x1 << 0)
-
-/* EXYNOS_DP_FUNC_EN_1 */
-#define MASTER_VID_FUNC_EN_N			(0x1 << 7)
-#define SLAVE_VID_FUNC_EN_N			(0x1 << 5)
-#define AUD_FIFO_FUNC_EN_N			(0x1 << 4)
-#define AUD_FUNC_EN_N				(0x1 << 3)
-#define HDCP_FUNC_EN_N				(0x1 << 2)
-#define CRC_FUNC_EN_N				(0x1 << 1)
-#define SW_FUNC_EN_N				(0x1 << 0)
-
-/* EXYNOS_DP_FUNC_EN_2 */
-#define SSC_FUNC_EN_N				(0x1 << 7)
-#define AUX_FUNC_EN_N				(0x1 << 2)
-#define SERDES_FIFO_FUNC_EN_N			(0x1 << 1)
-#define LS_CLK_DOMAIN_FUNC_EN_N			(0x1 << 0)
-
-/* EXYNOS_DP_VIDEO_CTL_1 */
-#define VIDEO_EN				(0x1 << 7)
-#define HDCP_VIDEO_MUTE				(0x1 << 6)
-
-/* EXYNOS_DP_VIDEO_CTL_1 */
-#define IN_D_RANGE_MASK				(0x1 << 7)
-#define IN_D_RANGE_SHIFT			(7)
-#define IN_D_RANGE_CEA				(0x1 << 7)
-#define IN_D_RANGE_VESA				(0x0 << 7)
-#define IN_BPC_MASK				(0x7 << 4)
-#define IN_BPC_SHIFT				(4)
-#define IN_BPC_12_BITS				(0x3 << 4)
-#define IN_BPC_10_BITS				(0x2 << 4)
-#define IN_BPC_8_BITS				(0x1 << 4)
-#define IN_BPC_6_BITS				(0x0 << 4)
-#define IN_COLOR_F_MASK				(0x3 << 0)
-#define IN_COLOR_F_SHIFT			(0)
-#define IN_COLOR_F_YCBCR444			(0x2 << 0)
-#define IN_COLOR_F_YCBCR422			(0x1 << 0)
-#define IN_COLOR_F_RGB				(0x0 << 0)
-
-/* EXYNOS_DP_VIDEO_CTL_3 */
-#define IN_YC_COEFFI_MASK			(0x1 << 7)
-#define IN_YC_COEFFI_SHIFT			(7)
-#define IN_YC_COEFFI_ITU709			(0x1 << 7)
-#define IN_YC_COEFFI_ITU601			(0x0 << 7)
-#define VID_CHK_UPDATE_TYPE_MASK		(0x1 << 4)
-#define VID_CHK_UPDATE_TYPE_SHIFT		(4)
-#define VID_CHK_UPDATE_TYPE_1			(0x1 << 4)
-#define VID_CHK_UPDATE_TYPE_0			(0x0 << 4)
-
-/* EXYNOS_DP_VIDEO_CTL_8 */
-#define VID_HRES_TH(x)				(((x) & 0xf) << 4)
-#define VID_VRES_TH(x)				(((x) & 0xf) << 0)
-
-/* EXYNOS_DP_VIDEO_CTL_10 */
-#define FORMAT_SEL				(0x1 << 4)
-#define INTERACE_SCAN_CFG			(0x1 << 2)
-#define VSYNC_POLARITY_CFG			(0x1 << 1)
-#define HSYNC_POLARITY_CFG			(0x1 << 0)
-
-/* EXYNOS_DP_LANE_MAP */
-#define LANE3_MAP_LOGIC_LANE_0			(0x0 << 6)
-#define LANE3_MAP_LOGIC_LANE_1			(0x1 << 6)
-#define LANE3_MAP_LOGIC_LANE_2			(0x2 << 6)
-#define LANE3_MAP_LOGIC_LANE_3			(0x3 << 6)
-#define LANE2_MAP_LOGIC_LANE_0			(0x0 << 4)
-#define LANE2_MAP_LOGIC_LANE_1			(0x1 << 4)
-#define LANE2_MAP_LOGIC_LANE_2			(0x2 << 4)
-#define LANE2_MAP_LOGIC_LANE_3			(0x3 << 4)
-#define LANE1_MAP_LOGIC_LANE_0			(0x0 << 2)
-#define LANE1_MAP_LOGIC_LANE_1			(0x1 << 2)
-#define LANE1_MAP_LOGIC_LANE_2			(0x2 << 2)
-#define LANE1_MAP_LOGIC_LANE_3			(0x3 << 2)
-#define LANE0_MAP_LOGIC_LANE_0			(0x0 << 0)
-#define LANE0_MAP_LOGIC_LANE_1			(0x1 << 0)
-#define LANE0_MAP_LOGIC_LANE_2			(0x2 << 0)
-#define LANE0_MAP_LOGIC_LANE_3			(0x3 << 0)
-
-/* EXYNOS_DP_ANALOG_CTL_1 */
-#define TX_TERMINAL_CTRL_50_OHM			(0x1 << 4)
-
-/* EXYNOS_DP_ANALOG_CTL_2 */
-#define SEL_24M					(0x1 << 3)
-#define TX_DVDD_BIT_1_0625V			(0x4 << 0)
-
-/* EXYNOS_DP_ANALOG_CTL_3 */
-#define DRIVE_DVDD_BIT_1_0625V			(0x4 << 5)
-#define VCO_BIT_600_MICRO			(0x5 << 0)
-
-/* EXYNOS_DP_PLL_FILTER_CTL_1 */
-#define PD_RING_OSC				(0x1 << 6)
-#define AUX_TERMINAL_CTRL_50_OHM		(0x2 << 4)
-#define TX_CUR1_2X				(0x1 << 2)
-#define TX_CUR_16_MA				(0x3 << 0)
-
-/* EXYNOS_DP_TX_AMP_TUNING_CTL */
-#define CH3_AMP_400_MV				(0x0 << 24)
-#define CH2_AMP_400_MV				(0x0 << 16)
-#define CH1_AMP_400_MV				(0x0 << 8)
-#define CH0_AMP_400_MV				(0x0 << 0)
-
-/* EXYNOS_DP_AUX_HW_RETRY_CTL */
-#define AUX_BIT_PERIOD_EXPECTED_DELAY(x)	(((x) & 0x7) << 8)
-#define AUX_HW_RETRY_INTERVAL_MASK		(0x3 << 3)
-#define AUX_HW_RETRY_INTERVAL_600_MICROSECONDS	(0x0 << 3)
-#define AUX_HW_RETRY_INTERVAL_800_MICROSECONDS	(0x1 << 3)
-#define AUX_HW_RETRY_INTERVAL_1000_MICROSECONDS	(0x2 << 3)
-#define AUX_HW_RETRY_INTERVAL_1800_MICROSECONDS	(0x3 << 3)
-#define AUX_HW_RETRY_COUNT_SEL(x)		(((x) & 0x7) << 0)
-
-/* EXYNOS_DP_COMMON_INT_STA_1 */
-#define VSYNC_DET				(0x1 << 7)
-#define PLL_LOCK_CHG				(0x1 << 6)
-#define SPDIF_ERR				(0x1 << 5)
-#define SPDIF_UNSTBL				(0x1 << 4)
-#define VID_FORMAT_CHG				(0x1 << 3)
-#define AUD_CLK_CHG				(0x1 << 2)
-#define VID_CLK_CHG				(0x1 << 1)
-#define SW_INT					(0x1 << 0)
-
-/* EXYNOS_DP_COMMON_INT_STA_2 */
-#define ENC_EN_CHG				(0x1 << 6)
-#define HW_BKSV_RDY				(0x1 << 3)
-#define HW_SHA_DONE				(0x1 << 2)
-#define HW_AUTH_STATE_CHG			(0x1 << 1)
-#define HW_AUTH_DONE				(0x1 << 0)
-
-/* EXYNOS_DP_COMMON_INT_STA_3 */
-#define AFIFO_UNDER				(0x1 << 7)
-#define AFIFO_OVER				(0x1 << 6)
-#define R0_CHK_FLAG				(0x1 << 5)
-
-/* EXYNOS_DP_COMMON_INT_STA_4 */
-#define PSR_ACTIVE				(0x1 << 7)
-#define PSR_INACTIVE				(0x1 << 6)
-#define SPDIF_BI_PHASE_ERR			(0x1 << 5)
-#define HOTPLUG_CHG				(0x1 << 2)
-#define HPD_LOST				(0x1 << 1)
-#define PLUG					(0x1 << 0)
-
-/* EXYNOS_DP_INT_STA */
-#define INT_HPD					(0x1 << 6)
-#define HW_TRAINING_FINISH			(0x1 << 5)
-#define RPLY_RECEIV				(0x1 << 1)
-#define AUX_ERR					(0x1 << 0)
-
-/* EXYNOS_DP_INT_CTL */
-#define SOFT_INT_CTRL				(0x1 << 2)
-#define INT_POL1				(0x1 << 1)
-#define INT_POL0				(0x1 << 0)
-
-/* EXYNOS_DP_SYS_CTL_1 */
-#define DET_STA					(0x1 << 2)
-#define FORCE_DET				(0x1 << 1)
-#define DET_CTRL				(0x1 << 0)
-
-/* EXYNOS_DP_SYS_CTL_2 */
-#define CHA_CRI(x)				(((x) & 0xf) << 4)
-#define CHA_STA					(0x1 << 2)
-#define FORCE_CHA				(0x1 << 1)
-#define CHA_CTRL				(0x1 << 0)
-
-/* EXYNOS_DP_SYS_CTL_3 */
-#define HPD_STATUS				(0x1 << 6)
-#define F_HPD					(0x1 << 5)
-#define HPD_CTRL				(0x1 << 4)
-#define HDCP_RDY				(0x1 << 3)
-#define STRM_VALID				(0x1 << 2)
-#define F_VALID					(0x1 << 1)
-#define VALID_CTRL				(0x1 << 0)
-
-/* EXYNOS_DP_SYS_CTL_4 */
-#define FIX_M_AUD				(0x1 << 4)
-#define ENHANCED				(0x1 << 3)
-#define FIX_M_VID				(0x1 << 2)
-#define M_VID_UPDATE_CTRL			(0x3 << 0)
-
-/* EXYNOS_DP_TRAINING_PTN_SET */
-#define SCRAMBLER_TYPE				(0x1 << 9)
-#define HW_LINK_TRAINING_PATTERN		(0x1 << 8)
-#define SCRAMBLING_DISABLE			(0x1 << 5)
-#define SCRAMBLING_ENABLE			(0x0 << 5)
-#define LINK_QUAL_PATTERN_SET_MASK		(0x3 << 2)
-#define LINK_QUAL_PATTERN_SET_PRBS7		(0x3 << 2)
-#define LINK_QUAL_PATTERN_SET_D10_2		(0x1 << 2)
-#define LINK_QUAL_PATTERN_SET_DISABLE		(0x0 << 2)
-#define SW_TRAINING_PATTERN_SET_MASK		(0x3 << 0)
-#define SW_TRAINING_PATTERN_SET_PTN2		(0x2 << 0)
-#define SW_TRAINING_PATTERN_SET_PTN1		(0x1 << 0)
-#define SW_TRAINING_PATTERN_SET_NORMAL		(0x0 << 0)
-
-/* EXYNOS_DP_LN0_LINK_TRAINING_CTL */
-#define PRE_EMPHASIS_SET_MASK			(0x3 << 3)
-#define PRE_EMPHASIS_SET_SHIFT			(3)
-
-/* EXYNOS_DP_DEBUG_CTL */
-#define PLL_LOCK				(0x1 << 4)
-#define F_PLL_LOCK				(0x1 << 3)
-#define PLL_LOCK_CTRL				(0x1 << 2)
-#define PN_INV					(0x1 << 0)
-
-/* EXYNOS_DP_PLL_CTL */
-#define DP_PLL_PD				(0x1 << 7)
-#define DP_PLL_RESET				(0x1 << 6)
-#define DP_PLL_LOOP_BIT_DEFAULT			(0x1 << 4)
-#define DP_PLL_REF_BIT_1_1250V			(0x5 << 0)
-#define DP_PLL_REF_BIT_1_2500V			(0x7 << 0)
-
-/* EXYNOS_DP_PHY_PD */
-#define DP_PHY_PD				(0x1 << 5)
-#define AUX_PD					(0x1 << 4)
-#define CH3_PD					(0x1 << 3)
-#define CH2_PD					(0x1 << 2)
-#define CH1_PD					(0x1 << 1)
-#define CH0_PD					(0x1 << 0)
-
-/* EXYNOS_DP_PHY_TEST */
-#define MACRO_RST				(0x1 << 5)
-#define CH1_TEST				(0x1 << 1)
-#define CH0_TEST				(0x1 << 0)
-
-/* EXYNOS_DP_AUX_CH_STA */
-#define AUX_BUSY				(0x1 << 4)
-#define AUX_STATUS_MASK				(0xf << 0)
-
-/* EXYNOS_DP_AUX_CH_DEFER_CTL */
-#define DEFER_CTRL_EN				(0x1 << 7)
-#define DEFER_COUNT(x)				(((x) & 0x7f) << 0)
-
-/* EXYNOS_DP_AUX_RX_COMM */
-#define AUX_RX_COMM_I2C_DEFER			(0x2 << 2)
-#define AUX_RX_COMM_AUX_DEFER			(0x2 << 0)
-
-/* EXYNOS_DP_BUFFER_DATA_CTL */
-#define BUF_CLR					(0x1 << 7)
-#define BUF_DATA_COUNT(x)			(((x) & 0x1f) << 0)
-
-/* EXYNOS_DP_AUX_CH_CTL_1 */
-#define AUX_LENGTH(x)				(((x - 1) & 0xf) << 4)
-#define AUX_TX_COMM_MASK			(0xf << 0)
-#define AUX_TX_COMM_DP_TRANSACTION		(0x1 << 3)
-#define AUX_TX_COMM_I2C_TRANSACTION		(0x0 << 3)
-#define AUX_TX_COMM_MOT				(0x1 << 2)
-#define AUX_TX_COMM_WRITE			(0x0 << 0)
-#define AUX_TX_COMM_READ			(0x1 << 0)
-
-/* EXYNOS_DP_AUX_ADDR_7_0 */
-#define AUX_ADDR_7_0(x)				(((x) >> 0) & 0xff)
-
-/* EXYNOS_DP_AUX_ADDR_15_8 */
-#define AUX_ADDR_15_8(x)			(((x) >> 8) & 0xff)
-
-/* EXYNOS_DP_AUX_ADDR_19_16 */
-#define AUX_ADDR_19_16(x)			(((x) >> 16) & 0x0f)
-
-/* EXYNOS_DP_AUX_CH_CTL_2 */
-#define ADDR_ONLY				(0x1 << 1)
-#define AUX_EN					(0x1 << 0)
-
-/* EXYNOS_DP_SOC_GENERAL_CTL */
-#define AUDIO_MODE_SPDIF_MODE			(0x1 << 8)
-#define AUDIO_MODE_MASTER_MODE			(0x0 << 8)
-#define MASTER_VIDEO_INTERLACE_EN		(0x1 << 4)
-#define VIDEO_MASTER_CLK_SEL			(0x1 << 2)
-#define VIDEO_MASTER_MODE_EN			(0x1 << 1)
-#define VIDEO_MODE_MASK				(0x1 << 0)
-#define VIDEO_MODE_SLAVE_MODE			(0x1 << 0)
-#define VIDEO_MODE_MASTER_MODE			(0x0 << 0)
-
-#endif /* _EXYNOS_DP_REG_H */
diff --git a/drivers/gpu/drm/exynos/exynos_drm_core.c b/drivers/gpu/drm/exynos/exynos_drm_core.c
index 011211e41..edbd98ff2 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_core.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_core.c
@@ -15,7 +15,6 @@
 #include <drm/drmP.h>
 #include "exynos_drm_drv.h"
 #include "exynos_drm_crtc.h"
-#include "exynos_drm_fbdev.h"
 
 static LIST_HEAD(exynos_drm_subdrv_list);
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index e36579c1c..785ffa6cc 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -157,9 +157,8 @@ err_crtc:
 
 int exynos_drm_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
 {
-	struct exynos_drm_private *private = dev->dev_private;
-	struct exynos_drm_crtc *exynos_crtc =
-		to_exynos_crtc(private->crtc[pipe]);
+	struct exynos_drm_crtc *exynos_crtc = exynos_drm_crtc_from_pipe(dev,
+									pipe);
 
 	if (exynos_crtc->ops->enable_vblank)
 		return exynos_crtc->ops->enable_vblank(exynos_crtc);
@@ -169,9 +168,8 @@ int exynos_drm_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
 
 void exynos_drm_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe)
 {
-	struct exynos_drm_private *private = dev->dev_private;
-	struct exynos_drm_crtc *exynos_crtc =
-		to_exynos_crtc(private->crtc[pipe]);
+	struct exynos_drm_crtc *exynos_crtc = exynos_drm_crtc_from_pipe(dev,
+									pipe);
 
 	if (exynos_crtc->ops->disable_vblank)
 		exynos_crtc->ops->disable_vblank(exynos_crtc);
@@ -235,20 +233,15 @@ void exynos_drm_crtc_cancel_page_flip(struct drm_crtc *crtc,
 	unsigned long flags;
 
 	spin_lock_irqsave(&crtc->dev->event_lock, flags);
+
 	e = exynos_crtc->event;
 	if (e && e->base.file_priv == file) {
 		exynos_crtc->event = NULL;
-		/*
-		 * event will be destroyed by core part
-		 * so below line should be removed later with core changes
-		 */
-		e->base.destroy(&e->base);
-		/*
-		 * event_space will be increased by core part
-		 * so below line should be removed later with core changes.
-		 */
-		file->event_space += sizeof(e->event);
 		atomic_dec(&exynos_crtc->pending_update);
 	}
+
 	spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
+
+	if (e && e->base.file_priv == file)
+		drm_event_cancel_free(crtc->dev, &e->base);
 }
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index 75e570f45..5e38e749a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -15,6 +15,7 @@
 #include <drm/drm_panel.h>
 #include <drm/drm_atomic_helper.h>
 
+#include <linux/of_graph.h>
 #include <linux/regulator/consumer.h>
 
 #include <video/of_videomode.h>
@@ -164,67 +165,6 @@ static const struct drm_encoder_funcs exynos_dpi_encoder_funcs = {
 	.destroy = drm_encoder_cleanup,
 };
 
-/* of_* functions will be removed after merge of of_graph patches */
-static struct device_node *
-of_get_child_by_name_reg(struct device_node *parent, const char *name, u32 reg)
-{
-	struct device_node *np;
-
-	for_each_child_of_node(parent, np) {
-		u32 r;
-
-		if (!np->name || of_node_cmp(np->name, name))
-			continue;
-
-		if (of_property_read_u32(np, "reg", &r) < 0)
-			r = 0;
-
-		if (reg == r)
-			break;
-	}
-
-	return np;
-}
-
-static struct device_node *of_graph_get_port_by_reg(struct device_node *parent,
-						    u32 reg)
-{
-	struct device_node *ports, *port;
-
-	ports = of_get_child_by_name(parent, "ports");
-	if (ports)
-		parent = ports;
-
-	port = of_get_child_by_name_reg(parent, "port", reg);
-
-	of_node_put(ports);
-
-	return port;
-}
-
-static struct device_node *
-of_graph_get_endpoint_by_reg(struct device_node *port, u32 reg)
-{
-	return of_get_child_by_name_reg(port, "endpoint", reg);
-}
-
-static struct device_node *
-of_graph_get_remote_port_parent(const struct device_node *node)
-{
-	struct device_node *np;
-	unsigned int depth;
-
-	np = of_parse_phandle(node, "remote-endpoint", 0);
-
-	/* Walk 3 levels up only if there is 'ports' node. */
-	for (depth = 3; depth && np; depth--) {
-		np = of_get_next_parent(np);
-		if (depth == 2 && of_node_cmp(np->name, "ports"))
-			break;
-	}
-	return np;
-}
-
 enum {
 	FIMD_PORT_IN0,
 	FIMD_PORT_IN1,
@@ -237,12 +177,7 @@ static struct device_node *exynos_dpi_of_find_panel_node(struct device *dev)
 {
 	struct device_node *np, *ep;
 
-	np = of_graph_get_port_by_reg(dev->of_node, FIMD_PORT_RGB);
-	if (!np)
-		return NULL;
-
-	ep = of_graph_get_endpoint_by_reg(np, 0);
-	of_node_put(np);
+	ep = of_graph_get_endpoint_by_regs(dev->of_node, FIMD_PORT_RGB, 0);
 	if (!ep)
 		return NULL;
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c
index 5344940c8..2dd820e23 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c
@@ -212,13 +212,6 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
 	 */
 	dev->irq_enabled = true;
 
-	/*
-	 * with vblank_disable_allowed = true, vblank interrupt will be disabled
-	 * by drm timer once a current process gives up ownership of
-	 * vblank event.(after drm_vblank_put function is called)
-	 */
-	dev->vblank_disable_allowed = true;
-
 	/* init kms poll for handling hpd */
 	drm_kms_helper_poll_init(dev);
 
@@ -270,7 +263,7 @@ static int commit_is_pending(struct exynos_drm_private *priv, u32 crtcs)
 }
 
 int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state,
-			 bool async)
+			 bool nonblock)
 {
 	struct exynos_drm_private *priv = dev->dev_private;
 	struct exynos_atomic_commit *commit;
@@ -308,7 +301,7 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state,
 
 	drm_atomic_helper_swap_state(dev, state);
 
-	if (async)
+	if (nonblock)
 		schedule_work(&commit->work);
 	else
 		exynos_atomic_commit_complete(commit);
@@ -418,7 +411,7 @@ static struct drm_driver exynos_drm_driver = {
 	.get_vblank_counter	= drm_vblank_no_hw_counter,
 	.enable_vblank		= exynos_drm_crtc_enable_vblank,
 	.disable_vblank		= exynos_drm_crtc_disable_vblank,
-	.gem_free_object	= exynos_drm_gem_free_object,
+	.gem_free_object_unlocked = exynos_drm_gem_free_object,
 	.gem_vm_ops		= &exynos_drm_gem_vm_ops,
 	.dumb_create		= exynos_drm_gem_dumb_create,
 	.dumb_map_offset	= exynos_drm_gem_dumb_map_offset,
@@ -431,6 +424,7 @@ static struct drm_driver exynos_drm_driver = {
 	.gem_prime_import_sg_table	= exynos_drm_gem_prime_import_sg_table,
 	.gem_prime_vmap		= exynos_drm_gem_prime_vmap,
 	.gem_prime_vunmap	= exynos_drm_gem_prime_vunmap,
+	.gem_prime_mmap		= exynos_drm_gem_prime_mmap,
 	.ioctls			= exynos_ioctls,
 	.num_ioctls		= ARRAY_SIZE(exynos_ioctls),
 	.fops			= &exynos_drm_driver_fops,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 502f750ba..cc33ec929 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -120,8 +120,6 @@ struct exynos_drm_plane_config {
  * @commit: set current hw specific display mode to hw.
  * @enable_vblank: specific driver callback for enabling vblank interrupt.
  * @disable_vblank: specific driver callback for disabling vblank interrupt.
- * @wait_for_vblank: wait for vblank interrupt to make sure that
- *	hardware overlay is updated.
  * @atomic_check: validate state
  * @atomic_begin: prepare device to receive an update
  * @atomic_flush: mark the end of device update
@@ -129,10 +127,6 @@ struct exynos_drm_plane_config {
  * @disable_plane: disable hardware specific overlay.
  * @te_handler: trigger to transfer video image at the tearing effect
  *	synchronization signal if there is a page flip request.
- * @clock_enable: optional function enabling/disabling display domain clock,
- *	called from exynos-dp driver before powering up (with
- *	'enable' argument as true) and after powering down (with
- *	'enable' as false).
  */
 struct exynos_drm_crtc;
 struct exynos_drm_crtc_ops {
@@ -141,7 +135,6 @@ struct exynos_drm_crtc_ops {
 	void (*commit)(struct exynos_drm_crtc *crtc);
 	int (*enable_vblank)(struct exynos_drm_crtc *crtc);
 	void (*disable_vblank)(struct exynos_drm_crtc *crtc);
-	void (*wait_for_vblank)(struct exynos_drm_crtc *crtc);
 	int (*atomic_check)(struct exynos_drm_crtc *crtc,
 			    struct drm_crtc_state *state);
 	void (*atomic_begin)(struct exynos_drm_crtc *crtc);
@@ -151,7 +144,10 @@ struct exynos_drm_crtc_ops {
 			      struct exynos_drm_plane *plane);
 	void (*atomic_flush)(struct exynos_drm_crtc *crtc);
 	void (*te_handler)(struct exynos_drm_crtc *crtc);
-	void (*clock_enable)(struct exynos_drm_crtc *crtc, bool enable);
+};
+
+struct exynos_drm_clk {
+	void (*enable)(struct exynos_drm_clk *clk, bool enable);
 };
 
 /*
@@ -182,8 +178,16 @@ struct exynos_drm_crtc {
 	atomic_t			pending_update;
 	const struct exynos_drm_crtc_ops	*ops;
 	void				*ctx;
+	struct exynos_drm_clk		*pipe_clk;
 };
 
+static inline void exynos_drm_pipe_clk_enable(struct exynos_drm_crtc *crtc,
+					      bool enable)
+{
+	if (crtc->pipe_clk)
+		crtc->pipe_clk->enable(crtc->pipe_clk, enable);
+}
+
 struct exynos_drm_g2d_private {
 	struct device		*dev;
 	struct list_head	inuse_cmdlist;
@@ -232,6 +236,14 @@ struct exynos_drm_private {
 	wait_queue_head_t	wait;
 };
 
+static inline struct exynos_drm_crtc *
+exynos_drm_crtc_from_pipe(struct drm_device *dev, int pipe)
+{
+	struct exynos_drm_private *private = dev->dev_private;
+
+	return to_exynos_crtc(private->crtc[pipe]);
+}
+
 static inline struct device *to_dma_dev(struct drm_device *dev)
 {
 	struct exynos_drm_private *priv = dev->dev_private;
@@ -296,7 +308,7 @@ static inline int exynos_dpi_bind(struct drm_device *dev,
 #endif
 
 int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state,
-			 bool async);
+			 bool nonblock);
 
 
 extern struct platform_driver fimd_driver;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 63c84a106..601ecf800 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -280,7 +280,7 @@ struct exynos_dsi {
 	spinlock_t transfer_lock; /* protects transfer_list */
 	struct list_head transfer_list;
 
-	struct exynos_dsi_driver_data *driver_data;
+	const struct exynos_dsi_driver_data *driver_data;
 	struct device_node *bridge_node;
 };
 
@@ -532,15 +532,6 @@ static const struct of_device_id exynos_dsi_of_match[] = {
 	{ }
 };
 
-static inline struct exynos_dsi_driver_data *exynos_dsi_get_driver_data(
-						struct platform_device *pdev)
-{
-	const struct of_device_id *of_id =
-			of_match_device(exynos_dsi_of_match, &pdev->dev);
-
-	return (struct exynos_dsi_driver_data *)of_id->data;
-}
-
 static void exynos_dsi_wait_for_reset(struct exynos_dsi *dsi)
 {
 	if (wait_for_completion_timeout(&dsi->completed, msecs_to_jiffies(300)))
@@ -564,7 +555,7 @@ static void exynos_dsi_reset(struct exynos_dsi *dsi)
 static unsigned long exynos_dsi_pll_find_pms(struct exynos_dsi *dsi,
 		unsigned long fin, unsigned long fout, u8 *p, u16 *m, u8 *s)
 {
-	struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
+	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 	unsigned long best_freq = 0;
 	u32 min_delta = 0xffffffff;
 	u8 p_min, p_max;
@@ -618,7 +609,7 @@ static unsigned long exynos_dsi_pll_find_pms(struct exynos_dsi *dsi,
 static unsigned long exynos_dsi_set_pll(struct exynos_dsi *dsi,
 					unsigned long freq)
 {
-	struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
+	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 	unsigned long fin, fout;
 	int timeout;
 	u8 p, s;
@@ -712,7 +703,7 @@ static int exynos_dsi_enable_clock(struct exynos_dsi *dsi)
 
 static void exynos_dsi_set_phy_ctrl(struct exynos_dsi *dsi)
 {
-	struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
+	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 	const unsigned int *reg_values = driver_data->reg_values;
 	u32 reg;
 
@@ -790,7 +781,7 @@ static void exynos_dsi_enable_lane(struct exynos_dsi *dsi, u32 lane)
 
 static int exynos_dsi_init_link(struct exynos_dsi *dsi)
 {
-	struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
+	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 	int timeout;
 	u32 reg;
 	u32 lanes_mask;
@@ -1334,7 +1325,7 @@ static void exynos_dsi_disable_irq(struct exynos_dsi *dsi)
 
 static int exynos_dsi_init(struct exynos_dsi *dsi)
 {
-	struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
+	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 
 	exynos_dsi_reset(dsi);
 	exynos_dsi_enable_irq(dsi);
@@ -1641,50 +1632,6 @@ static const struct drm_encoder_funcs exynos_dsi_encoder_funcs = {
 
 MODULE_DEVICE_TABLE(of, exynos_dsi_of_match);
 
-/* of_* functions will be removed after merge of of_graph patches */
-static struct device_node *
-of_get_child_by_name_reg(struct device_node *parent, const char *name, u32 reg)
-{
-	struct device_node *np;
-
-	for_each_child_of_node(parent, np) {
-		u32 r;
-
-		if (!np->name || of_node_cmp(np->name, name))
-			continue;
-
-		if (of_property_read_u32(np, "reg", &r) < 0)
-			r = 0;
-
-		if (reg == r)
-			break;
-	}
-
-	return np;
-}
-
-static struct device_node *of_graph_get_port_by_reg(struct device_node *parent,
-						    u32 reg)
-{
-	struct device_node *ports, *port;
-
-	ports = of_get_child_by_name(parent, "ports");
-	if (ports)
-		parent = ports;
-
-	port = of_get_child_by_name_reg(parent, "port", reg);
-
-	of_node_put(ports);
-
-	return port;
-}
-
-static struct device_node *
-of_graph_get_endpoint_by_reg(struct device_node *port, u32 reg)
-{
-	return of_get_child_by_name_reg(port, "endpoint", reg);
-}
-
 static int exynos_dsi_of_read_u32(const struct device_node *np,
 				  const char *propname, u32 *out_value)
 {
@@ -1706,7 +1653,7 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
 {
 	struct device *dev = dsi->dev;
 	struct device_node *node = dev->of_node;
-	struct device_node *port, *ep;
+	struct device_node *ep;
 	int ret;
 
 	ret = exynos_dsi_of_read_u32(node, "samsung,pll-clock-frequency",
@@ -1714,16 +1661,9 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
 	if (ret < 0)
 		return ret;
 
-	port = of_graph_get_port_by_reg(node, DSI_PORT_OUT);
-	if (!port) {
-		dev_err(dev, "no output port specified\n");
-		return -EINVAL;
-	}
-
-	ep = of_graph_get_endpoint_by_reg(port, 0);
-	of_node_put(port);
+	ep = of_graph_get_endpoint_by_regs(node, DSI_PORT_OUT, 0);
 	if (!ep) {
-		dev_err(dev, "no endpoint specified in output port\n");
+		dev_err(dev, "no output port with endpoint specified\n");
 		return -EINVAL;
 	}
 
@@ -1833,7 +1773,7 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 	dsi->dsi_host.dev = dev;
 
 	dsi->dev = dev;
-	dsi->driver_data = exynos_dsi_get_driver_data(pdev);
+	dsi->driver_data = of_device_get_match_data(dev);
 
 	ret = exynos_dsi_parse_dt(dsi);
 	if (ret)
@@ -1917,7 +1857,7 @@ static int __maybe_unused exynos_dsi_suspend(struct device *dev)
 {
 	struct drm_encoder *encoder = dev_get_drvdata(dev);
 	struct exynos_dsi *dsi = encoder_to_dsi(encoder);
-	struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
+	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 	int ret, i;
 
 	usleep_range(10000, 20000);
@@ -1948,7 +1888,7 @@ static int __maybe_unused exynos_dsi_resume(struct device *dev)
 {
 	struct drm_encoder *encoder = dev_get_drvdata(dev);
 	struct exynos_dsi *dsi = encoder_to_dsi(encoder);
-	struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
+	const struct exynos_dsi_driver_data *driver_data = dsi->driver_data;
 	int ret, i;
 
 	ret = regulator_bulk_enable(ARRAY_SIZE(dsi->supplies), dsi->supplies);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
index 81cc5537c..e0166403b 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
@@ -97,20 +97,9 @@ static int exynos_drm_fb_create_handle(struct drm_framebuffer *fb,
 				     &exynos_fb->exynos_gem[0]->base, handle);
 }
 
-static int exynos_drm_fb_dirty(struct drm_framebuffer *fb,
-				struct drm_file *file_priv, unsigned flags,
-				unsigned color, struct drm_clip_rect *clips,
-				unsigned num_clips)
-{
-	/* TODO */
-
-	return 0;
-}
-
 static const struct drm_framebuffer_funcs exynos_drm_fb_funcs = {
 	.destroy	= exynos_drm_fb_destroy,
 	.create_handle	= exynos_drm_fb_create_handle,
-	.dirty		= exynos_drm_fb_dirty,
 };
 
 struct drm_framebuffer *
@@ -163,8 +152,7 @@ exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
 	int ret;
 
 	for (i = 0; i < drm_format_num_planes(mode_cmd->pixel_format); i++) {
-		obj = drm_gem_object_lookup(dev, file_priv,
-					    mode_cmd->handles[i]);
+		obj = drm_gem_object_lookup(file_priv, mode_cmd->handles[i]);
 		if (!obj) {
 			DRM_ERROR("failed to lookup gem object\n");
 			ret = -ENOENT;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 72d7c0b7c..67dcd6831 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -138,8 +138,6 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
 	mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
 							  sizes->surface_depth);
 
-	mutex_lock(&dev->struct_mutex);
-
 	size = mode_cmd.pitches[0] * mode_cmd.height;
 
 	exynos_gem = exynos_drm_gem_create(dev, EXYNOS_BO_CONTIG, size);
@@ -154,10 +152,8 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
 						   size);
 	}
 
-	if (IS_ERR(exynos_gem)) {
-		ret = PTR_ERR(exynos_gem);
-		goto out;
-	}
+	if (IS_ERR(exynos_gem))
+		return PTR_ERR(exynos_gem);
 
 	exynos_fbdev->exynos_gem = exynos_gem;
 
@@ -173,7 +169,6 @@ static int exynos_drm_fbdev_create(struct drm_fb_helper *helper,
 	if (ret < 0)
 		goto err_destroy_framebuffer;
 
-	mutex_unlock(&dev->struct_mutex);
 	return ret;
 
 err_destroy_framebuffer:
@@ -181,13 +176,12 @@ err_destroy_framebuffer:
 err_destroy_gem:
 	exynos_drm_gem_destroy(exynos_gem);
 
-/*
- * if failed, all resources allocated above would be released by
- * drm_mode_config_cleanup() when drm_load() had been called prior
- * to any specific driver such as fimd or hdmi driver.
- */
-out:
-	mutex_unlock(&dev->struct_mutex);
+	/*
+	 * if failed, all resources allocated above would be released by
+	 * drm_mode_config_cleanup() when drm_load() had been called prior
+	 * to any specific driver such as fimd or hdmi driver.
+	 */
+
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 018449f8d..d47216488 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -30,7 +30,6 @@
 
 #include "exynos_drm_drv.h"
 #include "exynos_drm_fb.h"
-#include "exynos_drm_fbdev.h"
 #include "exynos_drm_crtc.h"
 #include "exynos_drm_plane.h"
 #include "exynos_drm_iommu.h"
@@ -68,10 +67,15 @@
 /* color key value register for hardware window 1 ~ 4. */
 #define WKEYCON1_BASE(x)		((WKEYCON1 + 0x140) + ((x - 1) * 8))
 
-/* I80 / RGB trigger control register */
+/* I80 trigger control register */
 #define TRIGCON				0x1A4
-#define TRGMODE_I80_RGB_ENABLE_I80	(1 << 0)
-#define SWTRGCMD_I80_RGB_ENABLE		(1 << 1)
+#define TRGMODE_ENABLE			(1 << 0)
+#define SWTRGCMD_ENABLE			(1 << 1)
+/* Exynos3250, 3472, 4415, 5260 5410, 5420 and 5422 only supported. */
+#define HWTRGEN_ENABLE			(1 << 3)
+#define HWTRGMASK_ENABLE		(1 << 4)
+/* Exynos3250, 3472, 4415, 5260, 5420 and 5422 only supported. */
+#define HWTRIGEN_PER_ENABLE		(1 << 31)
 
 /* display mode change control register except exynos4 */
 #define VIDOUT_CON			0x000
@@ -89,12 +93,16 @@
 /* FIMD has totally five hardware windows. */
 #define WINDOWS_NR	5
 
+/* HW trigger flag on i80 panel. */
+#define I80_HW_TRG     (1 << 1)
+
 struct fimd_driver_data {
 	unsigned int timing_base;
 	unsigned int lcdblk_offset;
 	unsigned int lcdblk_vt_shift;
 	unsigned int lcdblk_bypass_shift;
 	unsigned int lcdblk_mic_bypass_shift;
+	unsigned int trg_type;
 
 	unsigned int has_shadowcon:1;
 	unsigned int has_clksel:1;
@@ -102,6 +110,9 @@ struct fimd_driver_data {
 	unsigned int has_vidoutcon:1;
 	unsigned int has_vtsel:1;
 	unsigned int has_mic_bypass:1;
+	unsigned int has_dp_clk:1;
+	unsigned int has_hw_trigger:1;
+	unsigned int has_trigger_per_te:1;
 };
 
 static struct fimd_driver_data s3c64xx_fimd_driver_data = {
@@ -114,8 +125,10 @@ static struct fimd_driver_data exynos3_fimd_driver_data = {
 	.timing_base = 0x20000,
 	.lcdblk_offset = 0x210,
 	.lcdblk_bypass_shift = 1,
+	.trg_type = I80_HW_TRG,
 	.has_shadowcon = 1,
 	.has_vidoutcon = 1,
+	.has_trigger_per_te = 1,
 };
 
 static struct fimd_driver_data exynos4_fimd_driver_data = {
@@ -132,9 +145,11 @@ static struct fimd_driver_data exynos4415_fimd_driver_data = {
 	.lcdblk_offset = 0x210,
 	.lcdblk_vt_shift = 10,
 	.lcdblk_bypass_shift = 1,
+	.trg_type = I80_HW_TRG,
 	.has_shadowcon = 1,
 	.has_vidoutcon = 1,
 	.has_vtsel = 1,
+	.has_trigger_per_te = 1,
 };
 
 static struct fimd_driver_data exynos5_fimd_driver_data = {
@@ -145,6 +160,7 @@ static struct fimd_driver_data exynos5_fimd_driver_data = {
 	.has_shadowcon = 1,
 	.has_vidoutcon = 1,
 	.has_vtsel = 1,
+	.has_dp_clk = 1,
 };
 
 static struct fimd_driver_data exynos5420_fimd_driver_data = {
@@ -157,6 +173,7 @@ static struct fimd_driver_data exynos5420_fimd_driver_data = {
 	.has_vidoutcon = 1,
 	.has_vtsel = 1,
 	.has_mic_bypass = 1,
+	.has_dp_clk = 1,
 };
 
 struct fimd_context {
@@ -182,8 +199,9 @@ struct fimd_context {
 	atomic_t			win_updated;
 	atomic_t			triggering;
 
-	struct fimd_driver_data *driver_data;
+	const struct fimd_driver_data *driver_data;
 	struct drm_encoder *encoder;
+	struct exynos_drm_clk		dp_clk;
 };
 
 static const struct of_device_id fimd_driver_dt_match[] = {
@@ -219,15 +237,6 @@ static const uint32_t fimd_formats[] = {
 	DRM_FORMAT_ARGB8888,
 };
 
-static inline struct fimd_driver_data *drm_fimd_get_driver_data(
-	struct platform_device *pdev)
-{
-	const struct of_device_id *of_id =
-			of_match_device(fimd_driver_dt_match, &pdev->dev);
-
-	return (struct fimd_driver_data *)of_id->data;
-}
-
 static int fimd_enable_vblank(struct exynos_drm_crtc *crtc)
 {
 	struct fimd_context *ctx = crtc->ctx;
@@ -383,9 +392,16 @@ static void fimd_clear_channels(struct exynos_drm_crtc *crtc)
 static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
 		const struct drm_display_mode *mode)
 {
-	unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh;
+	unsigned long ideal_clk;
 	u32 clkdiv;
 
+	if (mode->clock == 0) {
+		DRM_ERROR("Mode has zero clock value.\n");
+		return 0xff;
+	}
+
+	ideal_clk = mode->clock * 1000;
+
 	if (ctx->i80_if) {
 		/*
 		 * The frame done interrupt should be occurred prior to the
@@ -400,11 +416,31 @@ static u32 fimd_calc_clkdiv(struct fimd_context *ctx,
 	return (clkdiv < 0x100) ? clkdiv : 0xff;
 }
 
+static void fimd_setup_trigger(struct fimd_context *ctx)
+{
+	void __iomem *timing_base = ctx->regs + ctx->driver_data->timing_base;
+	u32 trg_type = ctx->driver_data->trg_type;
+	u32 val = readl(timing_base + TRIGCON);
+
+	val &= ~(TRGMODE_ENABLE);
+
+	if (trg_type == I80_HW_TRG) {
+		if (ctx->driver_data->has_hw_trigger)
+			val |= HWTRGEN_ENABLE | HWTRGMASK_ENABLE;
+		if (ctx->driver_data->has_trigger_per_te)
+			val |= HWTRIGEN_PER_ENABLE;
+	} else {
+		val |= TRGMODE_ENABLE;
+	}
+
+	writel(val, timing_base + TRIGCON);
+}
+
 static void fimd_commit(struct exynos_drm_crtc *crtc)
 {
 	struct fimd_context *ctx = crtc->ctx;
 	struct drm_display_mode *mode = &crtc->base.state->adjusted_mode;
-	struct fimd_driver_data *driver_data = ctx->driver_data;
+	const struct fimd_driver_data *driver_data = ctx->driver_data;
 	void *timing_base = ctx->regs + driver_data->timing_base;
 	u32 val, clkdiv;
 
@@ -495,6 +531,8 @@ static void fimd_commit(struct exynos_drm_crtc *crtc)
 	       VIDTCON2_HOZVAL_E(mode->hdisplay - 1);
 	writel(val, ctx->regs + driver_data->timing_base + VIDTCON2);
 
+	fimd_setup_trigger(ctx);
+
 	/*
 	 * fields of register with prefix '_F' would be updated
 	 * at vsync(same as dma start)
@@ -827,7 +865,7 @@ static void fimd_disable(struct exynos_drm_crtc *crtc)
 static void fimd_trigger(struct device *dev)
 {
 	struct fimd_context *ctx = dev_get_drvdata(dev);
-	struct fimd_driver_data *driver_data = ctx->driver_data;
+	const struct fimd_driver_data *driver_data = ctx->driver_data;
 	void *timing_base = ctx->regs + driver_data->timing_base;
 	u32 reg;
 
@@ -842,7 +880,7 @@ static void fimd_trigger(struct device *dev)
 	atomic_set(&ctx->triggering, 1);
 
 	reg = readl(timing_base + TRIGCON);
-	reg |= (TRGMODE_I80_RGB_ENABLE_I80 | SWTRGCMD_I80_RGB_ENABLE);
+	reg |= (TRGMODE_ENABLE | SWTRGCMD_ENABLE);
 	writel(reg, timing_base + TRIGCON);
 
 	/*
@@ -856,11 +894,15 @@ static void fimd_trigger(struct device *dev)
 static void fimd_te_handler(struct exynos_drm_crtc *crtc)
 {
 	struct fimd_context *ctx = crtc->ctx;
+	u32 trg_type = ctx->driver_data->trg_type;
 
 	/* Checks the crtc is detached already from encoder */
 	if (ctx->pipe < 0 || !ctx->drm_dev)
 		return;
 
+	if (trg_type == I80_HW_TRG)
+		goto out;
+
 	/*
 	 * If there is a page flip request, triggers and handles the page flip
 	 * event so that current fb can be updated into panel GRAM.
@@ -868,6 +910,7 @@ static void fimd_te_handler(struct exynos_drm_crtc *crtc)
 	if (atomic_add_unless(&ctx->win_updated, -1, 0))
 		fimd_trigger(ctx->dev);
 
+out:
 	/* Wakes up vsync event queue */
 	if (atomic_read(&ctx->wait_vsync_event)) {
 		atomic_set(&ctx->wait_vsync_event, 0);
@@ -878,21 +921,11 @@ static void fimd_te_handler(struct exynos_drm_crtc *crtc)
 		drm_crtc_handle_vblank(&ctx->crtc->base);
 }
 
-static void fimd_dp_clock_enable(struct exynos_drm_crtc *crtc, bool enable)
+static void fimd_dp_clock_enable(struct exynos_drm_clk *clk, bool enable)
 {
-	struct fimd_context *ctx = crtc->ctx;
-	u32 val;
-
-	/*
-	 * Only Exynos 5250, 5260, 5410 and 542x requires enabling DP/MIE
-	 * clock. On these SoCs the bootloader may enable it but any
-	 * power domain off/on will reset it to disable state.
-	 */
-	if (ctx->driver_data != &exynos5_fimd_driver_data &&
-	    ctx->driver_data != &exynos5420_fimd_driver_data)
-		return;
-
-	val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
+	struct fimd_context *ctx = container_of(clk, struct fimd_context,
+						dp_clk);
+	u32 val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
 	writel(val, ctx->regs + DP_MIE_CLKCON);
 }
 
@@ -902,13 +935,11 @@ static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
 	.commit = fimd_commit,
 	.enable_vblank = fimd_enable_vblank,
 	.disable_vblank = fimd_disable_vblank,
-	.wait_for_vblank = fimd_wait_for_vblank,
 	.atomic_begin = fimd_atomic_begin,
 	.update_plane = fimd_update_plane,
 	.disable_plane = fimd_disable_plane,
 	.atomic_flush = fimd_atomic_flush,
 	.te_handler = fimd_te_handler,
-	.clock_enable = fimd_dp_clock_enable,
 };
 
 static irqreturn_t fimd_irq_handler(int irq, void *dev_id)
@@ -987,6 +1018,11 @@ static int fimd_bind(struct device *dev, struct device *master, void *data)
 	if (IS_ERR(ctx->crtc))
 		return PTR_ERR(ctx->crtc);
 
+	if (ctx->driver_data->has_dp_clk) {
+		ctx->dp_clk.enable = fimd_dp_clock_enable;
+		ctx->crtc->pipe_clk = &ctx->dp_clk;
+	}
+
 	if (ctx->encoder)
 		exynos_dpi_bind(drm_dev, ctx->encoder);
 
@@ -1035,7 +1071,7 @@ static int fimd_probe(struct platform_device *pdev)
 
 	ctx->dev = dev;
 	ctx->suspended = true;
-	ctx->driver_data = drm_fimd_get_driver_data(pdev);
+	ctx->driver_data = of_device_get_match_data(dev);
 
 	if (of_property_read_bool(dev->of_node, "samsung,invert-vden"))
 		ctx->vidcon1 |= VIDCON1_INV_VDEN;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index 193d3602d..8564c3da0 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
@@ -48,13 +48,13 @@
 
 /* registers for base address */
 #define G2D_SRC_BASE_ADDR		0x0304
-#define G2D_SRC_STRIDE_REG		0x0308
+#define G2D_SRC_STRIDE			0x0308
 #define G2D_SRC_COLOR_MODE		0x030C
 #define G2D_SRC_LEFT_TOP		0x0310
 #define G2D_SRC_RIGHT_BOTTOM		0x0314
 #define G2D_SRC_PLANE2_BASE_ADDR	0x0318
 #define G2D_DST_BASE_ADDR		0x0404
-#define G2D_DST_STRIDE_REG		0x0408
+#define G2D_DST_STRIDE			0x0408
 #define G2D_DST_COLOR_MODE		0x040C
 #define G2D_DST_LEFT_TOP		0x0410
 #define G2D_DST_RIGHT_BOTTOM		0x0414
@@ -383,8 +383,8 @@ static void g2d_userptr_put_dma_addr(struct drm_device *drm_dev,
 		return;
 
 out:
-	exynos_gem_unmap_sgt_from_dma(drm_dev, g2d_userptr->sgt,
-					DMA_BIDIRECTIONAL);
+	dma_unmap_sg(to_dma_dev(drm_dev), g2d_userptr->sgt->sgl,
+			g2d_userptr->sgt->nents, DMA_BIDIRECTIONAL);
 
 	pages = frame_vector_pages(g2d_userptr->vec);
 	if (!IS_ERR(pages)) {
@@ -501,10 +501,10 @@ static dma_addr_t *g2d_userptr_get_dma_addr(struct drm_device *drm_dev,
 
 	g2d_userptr->sgt = sgt;
 
-	ret = exynos_gem_map_sgt_with_dma(drm_dev, g2d_userptr->sgt,
-						DMA_BIDIRECTIONAL);
-	if (ret < 0) {
+	if (!dma_map_sg(to_dma_dev(drm_dev), sgt->sgl, sgt->nents,
+				DMA_BIDIRECTIONAL)) {
 		DRM_ERROR("failed to map sgt with dma region.\n");
+		ret = -ENOMEM;
 		goto err_sg_free_table;
 	}
 
@@ -563,7 +563,7 @@ static enum g2d_reg_type g2d_get_reg_type(int reg_offset)
 
 	switch (reg_offset) {
 	case G2D_SRC_BASE_ADDR:
-	case G2D_SRC_STRIDE_REG:
+	case G2D_SRC_STRIDE:
 	case G2D_SRC_COLOR_MODE:
 	case G2D_SRC_LEFT_TOP:
 	case G2D_SRC_RIGHT_BOTTOM:
@@ -573,7 +573,7 @@ static enum g2d_reg_type g2d_get_reg_type(int reg_offset)
 		reg_type = REG_TYPE_SRC_PLANE2;
 		break;
 	case G2D_DST_BASE_ADDR:
-	case G2D_DST_STRIDE_REG:
+	case G2D_DST_STRIDE:
 	case G2D_DST_COLOR_MODE:
 	case G2D_DST_LEFT_TOP:
 	case G2D_DST_RIGHT_BOTTOM:
@@ -968,8 +968,8 @@ static int g2d_check_reg_offset(struct device *dev,
 			} else
 				buf_info->types[reg_type] = BUF_TYPE_GEM;
 			break;
-		case G2D_SRC_STRIDE_REG:
-		case G2D_DST_STRIDE_REG:
+		case G2D_SRC_STRIDE:
+		case G2D_DST_STRIDE:
 			if (for_addr)
 				goto err;
 
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c
index 2914d62d0..cdf9f1af4 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c
@@ -177,7 +177,7 @@ unsigned long exynos_drm_gem_get_size(struct drm_device *dev,
 	struct exynos_drm_gem *exynos_gem;
 	struct drm_gem_object *obj;
 
-	obj = drm_gem_object_lookup(dev, file_priv, gem_handle);
+	obj = drm_gem_object_lookup(file_priv, gem_handle);
 	if (!obj) {
 		DRM_ERROR("failed to lookup gem object.\n");
 		return 0;
@@ -296,7 +296,7 @@ dma_addr_t *exynos_drm_gem_get_dma_addr(struct drm_device *dev,
 	struct exynos_drm_gem *exynos_gem;
 	struct drm_gem_object *obj;
 
-	obj = drm_gem_object_lookup(dev, filp, gem_handle);
+	obj = drm_gem_object_lookup(filp, gem_handle);
 	if (!obj) {
 		DRM_ERROR("failed to lookup gem object.\n");
 		return ERR_PTR(-EINVAL);
@@ -313,7 +313,7 @@ void exynos_drm_gem_put_dma_addr(struct drm_device *dev,
 {
 	struct drm_gem_object *obj;
 
-	obj = drm_gem_object_lookup(dev, filp, gem_handle);
+	obj = drm_gem_object_lookup(filp, gem_handle);
 	if (!obj) {
 		DRM_ERROR("failed to lookup gem object.\n");
 		return;
@@ -362,12 +362,9 @@ int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data,
 	struct drm_exynos_gem_info *args = data;
 	struct drm_gem_object *obj;
 
-	mutex_lock(&dev->struct_mutex);
-
-	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
+	obj = drm_gem_object_lookup(file_priv, args->handle);
 	if (!obj) {
 		DRM_ERROR("failed to lookup gem object.\n");
-		mutex_unlock(&dev->struct_mutex);
 		return -EINVAL;
 	}
 
@@ -376,38 +373,11 @@ int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data,
 	args->flags = exynos_gem->flags;
 	args->size = exynos_gem->size;
 
-	drm_gem_object_unreference(obj);
-	mutex_unlock(&dev->struct_mutex);
-
-	return 0;
-}
-
-int exynos_gem_map_sgt_with_dma(struct drm_device *drm_dev,
-				struct sg_table *sgt,
-				enum dma_data_direction dir)
-{
-	int nents;
-
-	mutex_lock(&drm_dev->struct_mutex);
-
-	nents = dma_map_sg(to_dma_dev(drm_dev), sgt->sgl, sgt->nents, dir);
-	if (!nents) {
-		DRM_ERROR("failed to map sgl with dma.\n");
-		mutex_unlock(&drm_dev->struct_mutex);
-		return nents;
-	}
+	drm_gem_object_unreference_unlocked(obj);
 
-	mutex_unlock(&drm_dev->struct_mutex);
 	return 0;
 }
 
-void exynos_gem_unmap_sgt_from_dma(struct drm_device *drm_dev,
-				struct sg_table *sgt,
-				enum dma_data_direction dir)
-{
-	dma_unmap_sg(to_dma_dev(drm_dev), sgt->sgl, sgt->nents, dir);
-}
-
 void exynos_drm_gem_free_object(struct drm_gem_object *obj)
 {
 	exynos_drm_gem_destroy(to_exynos_gem(obj));
@@ -458,27 +428,22 @@ int exynos_drm_gem_dumb_map_offset(struct drm_file *file_priv,
 	struct drm_gem_object *obj;
 	int ret = 0;
 
-	mutex_lock(&dev->struct_mutex);
-
 	/*
 	 * get offset of memory allocated for drm framebuffer.
 	 * - this callback would be called by user application
 	 *	with DRM_IOCTL_MODE_MAP_DUMB command.
 	 */
 
-	obj = drm_gem_object_lookup(dev, file_priv, handle);
+	obj = drm_gem_object_lookup(file_priv, handle);
 	if (!obj) {
 		DRM_ERROR("failed to lookup gem object.\n");
-		ret = -EINVAL;
-		goto unlock;
+		return -EINVAL;
 	}
 
 	*offset = drm_vma_node_offset_addr(&obj->vma_node);
 	DRM_DEBUG_KMS("offset = 0x%lx\n", (unsigned long)*offset);
 
-	drm_gem_object_unreference(obj);
-unlock:
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(obj);
 	return ret;
 }
 
@@ -516,22 +481,12 @@ out:
 	}
 }
 
-int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
+static int exynos_drm_gem_mmap_obj(struct drm_gem_object *obj,
+				   struct vm_area_struct *vma)
 {
-	struct exynos_drm_gem *exynos_gem;
-	struct drm_gem_object *obj;
+	struct exynos_drm_gem *exynos_gem = to_exynos_gem(obj);
 	int ret;
 
-	/* set vm_area_struct. */
-	ret = drm_gem_mmap(filp, vma);
-	if (ret < 0) {
-		DRM_ERROR("failed to mmap.\n");
-		return ret;
-	}
-
-	obj = vma->vm_private_data;
-	exynos_gem = to_exynos_gem(obj);
-
 	DRM_DEBUG_KMS("flags = 0x%x\n", exynos_gem->flags);
 
 	/* non-cachable as default. */
@@ -556,6 +511,26 @@ err_close_vm:
 	return ret;
 }
 
+int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	struct drm_gem_object *obj;
+	int ret;
+
+	/* set vm_area_struct. */
+	ret = drm_gem_mmap(filp, vma);
+	if (ret < 0) {
+		DRM_ERROR("failed to mmap.\n");
+		return ret;
+	}
+
+	obj = vma->vm_private_data;
+
+	if (obj->import_attach)
+		return dma_buf_mmap(obj->dma_buf, vma, 0);
+
+	return exynos_drm_gem_mmap_obj(obj, vma);
+}
+
 /* low-level interface prime helpers */
 struct sg_table *exynos_drm_gem_prime_get_sg_table(struct drm_gem_object *obj)
 {
@@ -630,3 +605,15 @@ void exynos_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
 {
 	/* Nothing to do */
 }
+
+int exynos_drm_gem_prime_mmap(struct drm_gem_object *obj,
+			      struct vm_area_struct *vma)
+{
+	int ret;
+
+	ret = drm_gem_mmap_obj(obj, obj->size, vma);
+	if (ret < 0)
+		return ret;
+
+	return exynos_drm_gem_mmap_obj(obj, vma);
+}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h
index 00223052b..781007422 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gem.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h
@@ -121,16 +121,6 @@ int exynos_drm_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
 /* set vm_flags and we can change the vm attribute to other one at here. */
 int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
 
-/* map sgt with dma region. */
-int exynos_gem_map_sgt_with_dma(struct drm_device *drm_dev,
-				struct sg_table *sgt,
-				enum dma_data_direction dir);
-
-/* unmap sgt from dma region. */
-void exynos_gem_unmap_sgt_from_dma(struct drm_device *drm_dev,
-				struct sg_table *sgt,
-				enum dma_data_direction dir);
-
 /* low-level interface prime helpers */
 struct sg_table *exynos_drm_gem_prime_get_sg_table(struct drm_gem_object *obj);
 struct drm_gem_object *
@@ -139,5 +129,7 @@ exynos_drm_gem_prime_import_sg_table(struct drm_device *dev,
 				     struct sg_table *sgt);
 void *exynos_drm_gem_prime_vmap(struct drm_gem_object *obj);
 void exynos_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
+int exynos_drm_gem_prime_mmap(struct drm_gem_object *obj,
+			      struct vm_area_struct *vma);
 
 #endif
diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c
index 50185ac34..77f12c00a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_plane.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c
@@ -166,7 +166,7 @@ static void exynos_drm_plane_destroy_state(struct drm_plane *plane,
 {
 	struct exynos_drm_plane_state *old_exynos_state =
 					to_exynos_plane_state(old_state);
-	__drm_atomic_helper_plane_destroy_state(plane, old_state);
+	__drm_atomic_helper_plane_destroy_state(old_state);
 	kfree(old_exynos_state);
 }
 
@@ -242,7 +242,7 @@ exynos_drm_plane_check_size(const struct exynos_drm_plane_config *config,
 	    state->v_ratio == (1 << 15))
 		height_ok = true;
 
-	if (width_ok & height_ok)
+	if (width_ok && height_ok)
 		return 0;
 
 	DRM_DEBUG_KMS("scaling mode is not supported");
diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index f18fbe43f..404367a43 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
@@ -15,6 +15,7 @@
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/of_device.h>
 #include <linux/pm_runtime.h>
 
 #include <drm/drmP.h>
@@ -696,7 +697,6 @@ static int rotator_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct rot_context *rot;
 	struct exynos_drm_ippdrv *ippdrv;
-	const struct of_device_id *match;
 	int ret;
 
 	if (!dev->of_node) {
@@ -708,13 +708,8 @@ static int rotator_probe(struct platform_device *pdev)
 	if (!rot)
 		return -ENOMEM;
 
-	match = of_match_node(exynos_rotator_match, dev->of_node);
-	if (!match) {
-		dev_err(dev, "failed to match node\n");
-		return -ENODEV;
-	}
-	rot->limit_tbl = (struct rot_limit_table *)match->data;
-
+	rot->limit_tbl = (struct rot_limit_table *)
+				of_device_get_match_data(dev);
 	rot->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	rot->regs = devm_ioremap_resource(dev, rot->regs_res);
 	if (IS_ERR(rot->regs))
diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index e148d728e..58de5a430 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -7,9 +7,9 @@
  *
  * Based on drivers/media/video/s5p-tv/hdmi_drv.c
  *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
  * option) any later version.
  *
  */
@@ -49,14 +49,16 @@
 
 /* AVI header and aspect ratio */
 #define HDMI_AVI_VERSION		0x02
-#define HDMI_AVI_LENGTH		0x0D
+#define HDMI_AVI_LENGTH			0x0d
 
 /* AUI header info */
-#define HDMI_AUI_VERSION	0x01
-#define HDMI_AUI_LENGTH	0x0A
-#define AVI_SAME_AS_PIC_ASPECT_RATIO 0x8
-#define AVI_4_3_CENTER_RATIO	0x9
-#define AVI_16_9_CENTER_RATIO	0xa
+#define HDMI_AUI_VERSION		0x01
+#define HDMI_AUI_LENGTH			0x0a
+
+/* AVI active format aspect ratio */
+#define AVI_SAME_AS_PIC_ASPECT_RATIO	0x08
+#define AVI_4_3_CENTER_RATIO		0x09
+#define AVI_16_9_CENTER_RATIO		0x0a
 
 enum hdmi_type {
 	HDMI_TYPE13,
@@ -90,11 +92,34 @@ static const char * const supply[] = {
 	"vdd_pll",
 };
 
+struct hdmiphy_config {
+	int pixel_clock;
+	u8 conf[32];
+};
+
+struct hdmiphy_configs {
+	int count;
+	const struct hdmiphy_config *data;
+};
+
+struct string_array_spec {
+	int count;
+	const char * const *data;
+};
+
+#define INIT_ARRAY_SPEC(a) { .count = ARRAY_SIZE(a), .data = a }
+
 struct hdmi_driver_data {
 	unsigned int type;
-	const struct hdmiphy_config *phy_confs;
-	unsigned int phy_conf_count;
 	unsigned int is_apb_phy:1;
+	unsigned int has_sysreg:1;
+	struct hdmiphy_configs phy_confs;
+	struct string_array_spec clk_gates;
+	/*
+	 * Array of triplets (p_off, p_on, clock), where p_off and p_on are
+	 * required parents of clock when HDMI-PHY is respectively off or on.
+	 */
+	struct string_array_spec clk_muxes;
 };
 
 struct hdmi_context {
@@ -116,13 +141,12 @@ struct hdmi_context {
 	struct gpio_desc		*hpd_gpio;
 	int				irq;
 	struct regmap			*pmureg;
-	struct clk			*hdmi;
-	struct clk			*sclk_hdmi;
-	struct clk			*sclk_pixel;
-	struct clk			*sclk_hdmiphy;
-	struct clk			*mout_hdmi;
+	struct regmap			*sysreg;
+	struct clk			**clk_gates;
+	struct clk			**clk_muxes;
 	struct regulator_bulk_data	regul_bulk[ARRAY_SIZE(supply)];
 	struct regulator		*reg_hdmi_en;
+	struct exynos_drm_clk		phy_clk;
 };
 
 static inline struct hdmi_context *encoder_to_hdmi(struct drm_encoder *e)
@@ -135,12 +159,6 @@ static inline struct hdmi_context *connector_to_hdmi(struct drm_connector *c)
 	return container_of(c, struct hdmi_context, connector);
 }
 
-struct hdmiphy_config {
-	int pixel_clock;
-	u8 conf[32];
-};
-
-/* list of phy config settings */
 static const struct hdmiphy_config hdmiphy_v13_configs[] = {
 	{
 		.pixel_clock = 27000000,
@@ -501,25 +519,136 @@ static const struct hdmiphy_config hdmiphy_5420_configs[] = {
 	},
 };
 
-static struct hdmi_driver_data exynos5420_hdmi_driver_data = {
+static const struct hdmiphy_config hdmiphy_5433_configs[] = {
+	{
+		.pixel_clock = 27000000,
+		.conf = {
+			0x01, 0x51, 0x22, 0x51, 0x08, 0xfc, 0x88, 0x46,
+			0x72, 0x50, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
+			0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+		},
+	},
+	{
+		.pixel_clock = 27027000,
+		.conf = {
+			0x01, 0x51, 0x2d, 0x72, 0x64, 0x09, 0x88, 0xc3,
+			0x71, 0x50, 0x24, 0x14, 0x24, 0x0f, 0x7c, 0xa5,
+			0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x28, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+		},
+	},
+	{
+		.pixel_clock = 40000000,
+		.conf = {
+			0x01, 0x51, 0x32, 0x55, 0x01, 0x00, 0x88, 0x02,
+			0x4d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+			0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+		},
+	},
+	{
+		.pixel_clock = 50000000,
+		.conf = {
+			0x01, 0x51, 0x34, 0x40, 0x64, 0x09, 0x88, 0xc3,
+			0x3d, 0x50, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+			0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+		},
+	},
+	{
+		.pixel_clock = 65000000,
+		.conf = {
+			0x01, 0x51, 0x36, 0x31, 0x40, 0x10, 0x04, 0xc6,
+			0x2e, 0xe8, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+			0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+		},
+	},
+	{
+		.pixel_clock = 74176000,
+		.conf = {
+			0x01, 0x51, 0x3E, 0x35, 0x5B, 0xDE, 0x88, 0x42,
+			0x53, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+			0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+		},
+	},
+	{
+		.pixel_clock = 74250000,
+		.conf = {
+			0x01, 0x51, 0x3E, 0x35, 0x40, 0xF0, 0x88, 0xC2,
+			0x52, 0x51, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+			0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+		},
+	},
+	{
+		.pixel_clock = 108000000,
+		.conf = {
+			0x01, 0x51, 0x2d, 0x15, 0x01, 0x00, 0x88, 0x02,
+			0x72, 0x52, 0x44, 0x8C, 0x27, 0x00, 0x7C, 0xAC,
+			0xD6, 0x2B, 0x67, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x08, 0x10, 0x01, 0x01, 0x48, 0x40, 0x00, 0x40,
+		},
+	},
+	{
+		.pixel_clock = 148500000,
+		.conf = {
+			0x01, 0x51, 0x1f, 0x00, 0x40, 0xf8, 0x88, 0xc1,
+			0x52, 0x52, 0x24, 0x0c, 0x24, 0x0f, 0x7c, 0xa5,
+			0xd4, 0x2b, 0x87, 0x00, 0x00, 0x04, 0x00, 0x30,
+			0x08, 0x10, 0x01, 0x01, 0x48, 0x4a, 0x00, 0x40,
+		},
+	},
+};
+
+static const char * const hdmi_clk_gates4[] = {
+	"hdmi", "sclk_hdmi"
+};
+
+static const char * const hdmi_clk_muxes4[] = {
+	"sclk_pixel", "sclk_hdmiphy", "mout_hdmi"
+};
+
+static const char * const hdmi_clk_gates5433[] = {
+	"hdmi_pclk", "hdmi_i_pclk", "i_tmds_clk", "i_pixel_clk", "i_spdif_clk"
+};
+
+static const char * const hdmi_clk_muxes5433[] = {
+	"oscclk", "tmds_clko", "tmds_clko_user",
+	"oscclk", "pixel_clko", "pixel_clko_user"
+};
+
+static const struct hdmi_driver_data exynos4210_hdmi_driver_data = {
+	.type		= HDMI_TYPE13,
+	.phy_confs	= INIT_ARRAY_SPEC(hdmiphy_v13_configs),
+	.clk_gates	= INIT_ARRAY_SPEC(hdmi_clk_gates4),
+	.clk_muxes	= INIT_ARRAY_SPEC(hdmi_clk_muxes4),
+};
+
+static const struct hdmi_driver_data exynos4212_hdmi_driver_data = {
 	.type		= HDMI_TYPE14,
-	.phy_confs	= hdmiphy_5420_configs,
-	.phy_conf_count	= ARRAY_SIZE(hdmiphy_5420_configs),
-	.is_apb_phy	= 1,
+	.phy_confs	= INIT_ARRAY_SPEC(hdmiphy_v14_configs),
+	.clk_gates	= INIT_ARRAY_SPEC(hdmi_clk_gates4),
+	.clk_muxes	= INIT_ARRAY_SPEC(hdmi_clk_muxes4),
 };
 
-static struct hdmi_driver_data exynos4212_hdmi_driver_data = {
+static const struct hdmi_driver_data exynos5420_hdmi_driver_data = {
 	.type		= HDMI_TYPE14,
-	.phy_confs	= hdmiphy_v14_configs,
-	.phy_conf_count	= ARRAY_SIZE(hdmiphy_v14_configs),
-	.is_apb_phy	= 0,
+	.is_apb_phy	= 1,
+	.phy_confs	= INIT_ARRAY_SPEC(hdmiphy_5420_configs),
+	.clk_gates	= INIT_ARRAY_SPEC(hdmi_clk_gates4),
+	.clk_muxes	= INIT_ARRAY_SPEC(hdmi_clk_muxes4),
 };
 
-static struct hdmi_driver_data exynos4210_hdmi_driver_data = {
-	.type		= HDMI_TYPE13,
-	.phy_confs	= hdmiphy_v13_configs,
-	.phy_conf_count	= ARRAY_SIZE(hdmiphy_v13_configs),
-	.is_apb_phy	= 0,
+static const struct hdmi_driver_data exynos5433_hdmi_driver_data = {
+	.type		= HDMI_TYPE14,
+	.is_apb_phy	= 1,
+	.has_sysreg     = 1,
+	.phy_confs	= INIT_ARRAY_SPEC(hdmiphy_5433_configs),
+	.clk_gates	= INIT_ARRAY_SPEC(hdmi_clk_gates5433),
+	.clk_muxes	= INIT_ARRAY_SPEC(hdmi_clk_muxes5433),
 };
 
 static inline u32 hdmi_map_reg(struct hdmi_context *hdata, u32 reg_id)
@@ -585,266 +714,52 @@ static int hdmiphy_reg_write_buf(struct hdmi_context *hdata,
 	}
 }
 
-static void hdmi_v13_regs_dump(struct hdmi_context *hdata, char *prefix)
+static int hdmi_clk_enable_gates(struct hdmi_context *hdata)
 {
-#define DUMPREG(reg_id) \
-	DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
-	readl(hdata->regs + reg_id))
-	DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_INTC_FLAG);
-	DUMPREG(HDMI_INTC_CON);
-	DUMPREG(HDMI_HPD_STATUS);
-	DUMPREG(HDMI_V13_PHY_RSTOUT);
-	DUMPREG(HDMI_V13_PHY_VPLL);
-	DUMPREG(HDMI_V13_PHY_CMU);
-	DUMPREG(HDMI_V13_CORE_RSTOUT);
-
-	DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_CON_0);
-	DUMPREG(HDMI_CON_1);
-	DUMPREG(HDMI_CON_2);
-	DUMPREG(HDMI_SYS_STATUS);
-	DUMPREG(HDMI_V13_PHY_STATUS);
-	DUMPREG(HDMI_STATUS_EN);
-	DUMPREG(HDMI_HPD);
-	DUMPREG(HDMI_MODE_SEL);
-	DUMPREG(HDMI_V13_HPD_GEN);
-	DUMPREG(HDMI_V13_DC_CONTROL);
-	DUMPREG(HDMI_V13_VIDEO_PATTERN_GEN);
-
-	DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_H_BLANK_0);
-	DUMPREG(HDMI_H_BLANK_1);
-	DUMPREG(HDMI_V13_V_BLANK_0);
-	DUMPREG(HDMI_V13_V_BLANK_1);
-	DUMPREG(HDMI_V13_V_BLANK_2);
-	DUMPREG(HDMI_V13_H_V_LINE_0);
-	DUMPREG(HDMI_V13_H_V_LINE_1);
-	DUMPREG(HDMI_V13_H_V_LINE_2);
-	DUMPREG(HDMI_VSYNC_POL);
-	DUMPREG(HDMI_INT_PRO_MODE);
-	DUMPREG(HDMI_V13_V_BLANK_F_0);
-	DUMPREG(HDMI_V13_V_BLANK_F_1);
-	DUMPREG(HDMI_V13_V_BLANK_F_2);
-	DUMPREG(HDMI_V13_H_SYNC_GEN_0);
-	DUMPREG(HDMI_V13_H_SYNC_GEN_1);
-	DUMPREG(HDMI_V13_H_SYNC_GEN_2);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_1_0);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_1_1);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_1_2);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_2_0);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_2_1);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_2_2);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_3_0);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_3_1);
-	DUMPREG(HDMI_V13_V_SYNC_GEN_3_2);
-
-	DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_TG_CMD);
-	DUMPREG(HDMI_TG_H_FSZ_L);
-	DUMPREG(HDMI_TG_H_FSZ_H);
-	DUMPREG(HDMI_TG_HACT_ST_L);
-	DUMPREG(HDMI_TG_HACT_ST_H);
-	DUMPREG(HDMI_TG_HACT_SZ_L);
-	DUMPREG(HDMI_TG_HACT_SZ_H);
-	DUMPREG(HDMI_TG_V_FSZ_L);
-	DUMPREG(HDMI_TG_V_FSZ_H);
-	DUMPREG(HDMI_TG_VSYNC_L);
-	DUMPREG(HDMI_TG_VSYNC_H);
-	DUMPREG(HDMI_TG_VSYNC2_L);
-	DUMPREG(HDMI_TG_VSYNC2_H);
-	DUMPREG(HDMI_TG_VACT_ST_L);
-	DUMPREG(HDMI_TG_VACT_ST_H);
-	DUMPREG(HDMI_TG_VACT_SZ_L);
-	DUMPREG(HDMI_TG_VACT_SZ_H);
-	DUMPREG(HDMI_TG_FIELD_CHG_L);
-	DUMPREG(HDMI_TG_FIELD_CHG_H);
-	DUMPREG(HDMI_TG_VACT_ST2_L);
-	DUMPREG(HDMI_TG_VACT_ST2_H);
-	DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
-	DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
-	DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
-	DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
-	DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
-	DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
-	DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
-	DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
-#undef DUMPREG
+	int i, ret;
+
+	for (i = 0; i < hdata->drv_data->clk_gates.count; ++i) {
+		ret = clk_prepare_enable(hdata->clk_gates[i]);
+		if (!ret)
+			continue;
+
+		dev_err(hdata->dev, "Cannot enable clock '%s', %d\n",
+			hdata->drv_data->clk_gates.data[i], ret);
+		while (i--)
+			clk_disable_unprepare(hdata->clk_gates[i]);
+		return ret;
+	}
+
+	return 0;
 }
 
-static void hdmi_v14_regs_dump(struct hdmi_context *hdata, char *prefix)
+static void hdmi_clk_disable_gates(struct hdmi_context *hdata)
 {
-	int i;
+	int i = hdata->drv_data->clk_gates.count;
 
-#define DUMPREG(reg_id) \
-	DRM_DEBUG_KMS("%s:" #reg_id " = %08x\n", prefix, \
-	readl(hdata->regs + reg_id))
-
-	DRM_DEBUG_KMS("%s: ---- CONTROL REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_INTC_CON);
-	DUMPREG(HDMI_INTC_FLAG);
-	DUMPREG(HDMI_HPD_STATUS);
-	DUMPREG(HDMI_INTC_CON_1);
-	DUMPREG(HDMI_INTC_FLAG_1);
-	DUMPREG(HDMI_PHY_STATUS_0);
-	DUMPREG(HDMI_PHY_STATUS_PLL);
-	DUMPREG(HDMI_PHY_CON_0);
-	DUMPREG(HDMI_V14_PHY_RSTOUT);
-	DUMPREG(HDMI_PHY_VPLL);
-	DUMPREG(HDMI_PHY_CMU);
-	DUMPREG(HDMI_CORE_RSTOUT);
-
-	DRM_DEBUG_KMS("%s: ---- CORE REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_CON_0);
-	DUMPREG(HDMI_CON_1);
-	DUMPREG(HDMI_CON_2);
-	DUMPREG(HDMI_SYS_STATUS);
-	DUMPREG(HDMI_PHY_STATUS_0);
-	DUMPREG(HDMI_STATUS_EN);
-	DUMPREG(HDMI_HPD);
-	DUMPREG(HDMI_MODE_SEL);
-	DUMPREG(HDMI_ENC_EN);
-	DUMPREG(HDMI_DC_CONTROL);
-	DUMPREG(HDMI_VIDEO_PATTERN_GEN);
-
-	DRM_DEBUG_KMS("%s: ---- CORE SYNC REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_H_BLANK_0);
-	DUMPREG(HDMI_H_BLANK_1);
-	DUMPREG(HDMI_V2_BLANK_0);
-	DUMPREG(HDMI_V2_BLANK_1);
-	DUMPREG(HDMI_V1_BLANK_0);
-	DUMPREG(HDMI_V1_BLANK_1);
-	DUMPREG(HDMI_V_LINE_0);
-	DUMPREG(HDMI_V_LINE_1);
-	DUMPREG(HDMI_H_LINE_0);
-	DUMPREG(HDMI_H_LINE_1);
-	DUMPREG(HDMI_HSYNC_POL);
-
-	DUMPREG(HDMI_VSYNC_POL);
-	DUMPREG(HDMI_INT_PRO_MODE);
-	DUMPREG(HDMI_V_BLANK_F0_0);
-	DUMPREG(HDMI_V_BLANK_F0_1);
-	DUMPREG(HDMI_V_BLANK_F1_0);
-	DUMPREG(HDMI_V_BLANK_F1_1);
-
-	DUMPREG(HDMI_H_SYNC_START_0);
-	DUMPREG(HDMI_H_SYNC_START_1);
-	DUMPREG(HDMI_H_SYNC_END_0);
-	DUMPREG(HDMI_H_SYNC_END_1);
-
-	DUMPREG(HDMI_V_SYNC_LINE_BEF_2_0);
-	DUMPREG(HDMI_V_SYNC_LINE_BEF_2_1);
-	DUMPREG(HDMI_V_SYNC_LINE_BEF_1_0);
-	DUMPREG(HDMI_V_SYNC_LINE_BEF_1_1);
-
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_2_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_2_1);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_1_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_1_1);
-
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_2_1);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_1_1);
-
-	DUMPREG(HDMI_V_BLANK_F2_0);
-	DUMPREG(HDMI_V_BLANK_F2_1);
-	DUMPREG(HDMI_V_BLANK_F3_0);
-	DUMPREG(HDMI_V_BLANK_F3_1);
-	DUMPREG(HDMI_V_BLANK_F4_0);
-	DUMPREG(HDMI_V_BLANK_F4_1);
-	DUMPREG(HDMI_V_BLANK_F5_0);
-	DUMPREG(HDMI_V_BLANK_F5_1);
-
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_3_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_3_1);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_4_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_4_1);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_5_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_5_1);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_6_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_6_1);
-
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_3_1);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_4_1);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_5_1);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_0);
-	DUMPREG(HDMI_V_SYNC_LINE_AFT_PXL_6_1);
-
-	DUMPREG(HDMI_VACT_SPACE_1_0);
-	DUMPREG(HDMI_VACT_SPACE_1_1);
-	DUMPREG(HDMI_VACT_SPACE_2_0);
-	DUMPREG(HDMI_VACT_SPACE_2_1);
-	DUMPREG(HDMI_VACT_SPACE_3_0);
-	DUMPREG(HDMI_VACT_SPACE_3_1);
-	DUMPREG(HDMI_VACT_SPACE_4_0);
-	DUMPREG(HDMI_VACT_SPACE_4_1);
-	DUMPREG(HDMI_VACT_SPACE_5_0);
-	DUMPREG(HDMI_VACT_SPACE_5_1);
-	DUMPREG(HDMI_VACT_SPACE_6_0);
-	DUMPREG(HDMI_VACT_SPACE_6_1);
-
-	DRM_DEBUG_KMS("%s: ---- TG REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_TG_CMD);
-	DUMPREG(HDMI_TG_H_FSZ_L);
-	DUMPREG(HDMI_TG_H_FSZ_H);
-	DUMPREG(HDMI_TG_HACT_ST_L);
-	DUMPREG(HDMI_TG_HACT_ST_H);
-	DUMPREG(HDMI_TG_HACT_SZ_L);
-	DUMPREG(HDMI_TG_HACT_SZ_H);
-	DUMPREG(HDMI_TG_V_FSZ_L);
-	DUMPREG(HDMI_TG_V_FSZ_H);
-	DUMPREG(HDMI_TG_VSYNC_L);
-	DUMPREG(HDMI_TG_VSYNC_H);
-	DUMPREG(HDMI_TG_VSYNC2_L);
-	DUMPREG(HDMI_TG_VSYNC2_H);
-	DUMPREG(HDMI_TG_VACT_ST_L);
-	DUMPREG(HDMI_TG_VACT_ST_H);
-	DUMPREG(HDMI_TG_VACT_SZ_L);
-	DUMPREG(HDMI_TG_VACT_SZ_H);
-	DUMPREG(HDMI_TG_FIELD_CHG_L);
-	DUMPREG(HDMI_TG_FIELD_CHG_H);
-	DUMPREG(HDMI_TG_VACT_ST2_L);
-	DUMPREG(HDMI_TG_VACT_ST2_H);
-	DUMPREG(HDMI_TG_VACT_ST3_L);
-	DUMPREG(HDMI_TG_VACT_ST3_H);
-	DUMPREG(HDMI_TG_VACT_ST4_L);
-	DUMPREG(HDMI_TG_VACT_ST4_H);
-	DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_L);
-	DUMPREG(HDMI_TG_VSYNC_TOP_HDMI_H);
-	DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_L);
-	DUMPREG(HDMI_TG_VSYNC_BOT_HDMI_H);
-	DUMPREG(HDMI_TG_FIELD_TOP_HDMI_L);
-	DUMPREG(HDMI_TG_FIELD_TOP_HDMI_H);
-	DUMPREG(HDMI_TG_FIELD_BOT_HDMI_L);
-	DUMPREG(HDMI_TG_FIELD_BOT_HDMI_H);
-	DUMPREG(HDMI_TG_3D);
-
-	DRM_DEBUG_KMS("%s: ---- PACKET REGISTERS ----\n", prefix);
-	DUMPREG(HDMI_AVI_CON);
-	DUMPREG(HDMI_AVI_HEADER0);
-	DUMPREG(HDMI_AVI_HEADER1);
-	DUMPREG(HDMI_AVI_HEADER2);
-	DUMPREG(HDMI_AVI_CHECK_SUM);
-	DUMPREG(HDMI_VSI_CON);
-	DUMPREG(HDMI_VSI_HEADER0);
-	DUMPREG(HDMI_VSI_HEADER1);
-	DUMPREG(HDMI_VSI_HEADER2);
-	for (i = 0; i < 7; ++i)
-		DUMPREG(HDMI_VSI_DATA(i));
-
-#undef DUMPREG
+	while (i--)
+		clk_disable_unprepare(hdata->clk_gates[i]);
 }
 
-static void hdmi_regs_dump(struct hdmi_context *hdata, char *prefix)
+static int hdmi_clk_set_parents(struct hdmi_context *hdata, bool to_phy)
 {
-	if (hdata->drv_data->type == HDMI_TYPE13)
-		hdmi_v13_regs_dump(hdata, prefix);
-	else
-		hdmi_v14_regs_dump(hdata, prefix);
+	struct device *dev = hdata->dev;
+	int ret = 0;
+	int i;
+
+	for (i = 0; i < hdata->drv_data->clk_muxes.count; i += 3) {
+		struct clk **c = &hdata->clk_muxes[i];
+
+		ret = clk_set_parent(c[2], c[to_phy]);
+		if (!ret)
+			continue;
+
+		dev_err(dev, "Cannot set clock parent of '%s' to '%s', %d\n",
+			hdata->drv_data->clk_muxes.data[i + 2],
+			hdata->drv_data->clk_muxes.data[i + to_phy], ret);
+	}
+
+	return ret;
 }
 
 static u8 hdmi_chksum(struct hdmi_context *hdata,
@@ -993,10 +908,11 @@ static int hdmi_get_modes(struct drm_connector *connector)
 
 static int hdmi_find_phy_conf(struct hdmi_context *hdata, u32 pixel_clock)
 {
+	const struct hdmiphy_configs *confs = &hdata->drv_data->phy_confs;
 	int i;
 
-	for (i = 0; i < hdata->drv_data->phy_conf_count; i++)
-		if (hdata->drv_data->phy_confs[i].pixel_clock == pixel_clock)
+	for (i = 0; i < confs->count; i++)
+		if (confs->data[i].pixel_clock == pixel_clock)
 			return i;
 
 	DRM_DEBUG_KMS("Could not find phy config for %d\n", pixel_clock);
@@ -1078,13 +994,11 @@ static bool hdmi_mode_fixup(struct drm_encoder *encoder,
 
 	mode_ok = hdmi_mode_valid(connector, adjusted_mode);
 
-	/* just return if user desired mode exists. */
 	if (mode_ok == MODE_OK)
 		return true;
 
 	/*
-	 * otherwise, find the most suitable mode among modes and change it
-	 * to adjusted_mode.
+	 * Find the most suitable mode and copy it to adjusted_mode.
 	 */
 	list_for_each_entry(m, &connector->modes, head) {
 		mode_ok = hdmi_mode_valid(connector, m);
@@ -1129,15 +1043,15 @@ static void hdmi_audio_init(struct hdmi_context *hdata)
 	switch (bits_per_sample) {
 	case 20:
 		data_num = 2;
-		bit_ch  = 1;
+		bit_ch = 1;
 		break;
 	case 24:
 		data_num = 3;
-		bit_ch  = 1;
+		bit_ch = 1;
 		break;
 	default:
 		data_num = 1;
-		bit_ch  = 0;
+		bit_ch = 0;
 		break;
 	}
 
@@ -1230,13 +1144,12 @@ static void hdmi_conf_init(struct hdmi_context *hdata)
 	/* choose HDMI mode */
 	hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
 		HDMI_MODE_HDMI_EN, HDMI_MODE_MASK);
-	/* Apply Video preable and Guard band in HDMI mode only */
+	/* apply video pre-amble and guard band in HDMI mode only */
 	hdmi_reg_writeb(hdata, HDMI_CON_2, 0);
 	/* disable bluescreen */
 	hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_BLUE_SCR_EN);
 
 	if (hdata->dvi_mode) {
-		/* choose DVI mode */
 		hdmi_reg_writemask(hdata, HDMI_MODE_SEL,
 				HDMI_MODE_DVI_EN, HDMI_MODE_MASK);
 		hdmi_reg_writeb(hdata, HDMI_CON_2,
@@ -1308,7 +1221,7 @@ static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
 
 	val = (m->hsync_start - m->hdisplay - 2);
 	val |= ((m->hsync_end - m->hdisplay - 2) << 10);
-	val |= ((m->flags & DRM_MODE_FLAG_NHSYNC)  ? 1 : 0)<<20;
+	val |= ((m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0)<<20;
 	hdmi_reg_writev(hdata, HDMI_V13_H_SYNC_GEN_0, 3, val);
 
 	/*
@@ -1319,7 +1232,6 @@ static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
 
 	/* Following values & calculations differ for different type of modes */
 	if (m->flags & DRM_MODE_FLAG_INTERLACE) {
-		/* Interlaced Mode */
 		val = ((m->vsync_end - m->vdisplay) / 2);
 		val |= ((m->vsync_start - m->vdisplay) / 2) << 12;
 		hdmi_reg_writev(hdata, HDMI_V13_V_SYNC_GEN_1_0, 3, val);
@@ -1348,8 +1260,6 @@ static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
 
 		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x249);
 	} else {
-		/* Progressive Mode */
-
 		val = m->vtotal;
 		val |= (m->vtotal - m->vdisplay) << 11;
 		hdmi_reg_writev(hdata, HDMI_V13_V_BLANK_0, 3, val);
@@ -1365,21 +1275,12 @@ static void hdmi_v13_mode_apply(struct hdmi_context *hdata)
 		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
 				m->vtotal - m->vdisplay);
 		hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
-		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x248);
 	}
 
-	/* Timing generator registers */
 	hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
 	hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
 	hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
 	hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
-	hdmi_reg_writev(hdata, HDMI_TG_VSYNC_L, 2, 0x1);
-	hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2, 0x233);
-	hdmi_reg_writev(hdata, HDMI_TG_FIELD_CHG_L, 2, 0x233);
-	hdmi_reg_writev(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, 2, 0x1);
-	hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2, 0x233);
-	hdmi_reg_writev(hdata, HDMI_TG_FIELD_TOP_HDMI_L, 2, 0x1);
-	hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2, 0x233);
 }
 
 static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
@@ -1390,7 +1291,7 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
 	hdmi_reg_writev(hdata, HDMI_V_LINE_0, 2, m->vtotal);
 	hdmi_reg_writev(hdata, HDMI_H_LINE_0, 2, m->htotal);
 	hdmi_reg_writev(hdata, HDMI_HSYNC_POL, 1,
-			(m->flags & DRM_MODE_FLAG_NHSYNC)  ? 1 : 0);
+			(m->flags & DRM_MODE_FLAG_NHSYNC) ? 1 : 0);
 	hdmi_reg_writev(hdata, HDMI_VSYNC_POL, 1,
 			(m->flags & DRM_MODE_FLAG_NVSYNC) ? 1 : 0);
 	hdmi_reg_writev(hdata, HDMI_INT_PRO_MODE, 1,
@@ -1404,7 +1305,6 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
 
 	/* Following values & calculations differ for different type of modes */
 	if (m->flags & DRM_MODE_FLAG_INTERLACE) {
-		/* Interlaced Mode */
 		hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
 			(m->vsync_end - m->vdisplay) / 2);
 		hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
@@ -1437,7 +1337,6 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
 		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x0);
 		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x0);
 	} else {
-		/* Progressive Mode */
 		hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_2_0, 2,
 			m->vsync_end - m->vdisplay);
 		hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_BEF_1_0, 2,
@@ -1454,15 +1353,8 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
 		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST_L, 2,
 				m->vtotal - m->vdisplay);
 		hdmi_reg_writev(hdata, HDMI_TG_VACT_SZ_L, 2, m->vdisplay);
-		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST2_L, 2, 0x248);
-		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST3_L, 2, 0x47b);
-		hdmi_reg_writev(hdata, HDMI_TG_VACT_ST4_L, 2, 0x6ae);
-		hdmi_reg_writev(hdata, HDMI_TG_VSYNC2_L, 2, 0x233);
-		hdmi_reg_writev(hdata, HDMI_TG_VSYNC_BOT_HDMI_L, 2, 0x233);
-		hdmi_reg_writev(hdata, HDMI_TG_FIELD_BOT_HDMI_L, 2, 0x233);
 	}
 
-	/* Following values & calculations are same irrespective of mode type */
 	hdmi_reg_writev(hdata, HDMI_H_SYNC_START_0, 2,
 			m->hsync_start - m->hdisplay - 2);
 	hdmi_reg_writev(hdata, HDMI_H_SYNC_END_0, 2,
@@ -1486,16 +1378,12 @@ static void hdmi_v14_mode_apply(struct hdmi_context *hdata)
 	hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_5_0, 2, 0xffff);
 	hdmi_reg_writev(hdata, HDMI_V_SYNC_LINE_AFT_PXL_6_0, 2, 0xffff);
 
-	/* Timing generator registers */
 	hdmi_reg_writev(hdata, HDMI_TG_H_FSZ_L, 2, m->htotal);
 	hdmi_reg_writev(hdata, HDMI_TG_HACT_ST_L, 2, m->htotal - m->hdisplay);
 	hdmi_reg_writev(hdata, HDMI_TG_HACT_SZ_L, 2, m->hdisplay);
 	hdmi_reg_writev(hdata, HDMI_TG_V_FSZ_L, 2, m->vtotal);
-	hdmi_reg_writev(hdata, HDMI_TG_VSYNC_L, 2, 0x1);
-	hdmi_reg_writev(hdata, HDMI_TG_FIELD_CHG_L, 2, 0x233);
-	hdmi_reg_writev(hdata, HDMI_TG_VSYNC_TOP_HDMI_L, 2, 0x1);
-	hdmi_reg_writev(hdata, HDMI_TG_FIELD_TOP_HDMI_L, 2, 0x1);
-	hdmi_reg_writev(hdata, HDMI_TG_3D, 1, 0x0);
+	if (hdata->drv_data == &exynos5433_hdmi_driver_data)
+		hdmi_reg_writeb(hdata, HDMI_TG_DECON_EN, 1);
 }
 
 static void hdmi_mode_apply(struct hdmi_context *hdata)
@@ -1505,62 +1393,64 @@ static void hdmi_mode_apply(struct hdmi_context *hdata)
 	else
 		hdmi_v14_mode_apply(hdata);
 
-	hdmiphy_wait_for_pll(hdata);
-
-	clk_set_parent(hdata->mout_hdmi, hdata->sclk_hdmiphy);
-
-	/* enable HDMI and timing generator */
 	hdmi_start(hdata, true);
 }
 
 static void hdmiphy_conf_reset(struct hdmi_context *hdata)
 {
-	clk_set_parent(hdata->mout_hdmi, hdata->sclk_pixel);
-
-	/* reset hdmiphy */
+	hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, 0, 1);
+	usleep_range(10000, 12000);
+	hdmi_reg_writemask(hdata, HDMI_CORE_RSTOUT, ~0, 1);
+	usleep_range(10000, 12000);
 	hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, ~0, HDMI_PHY_SW_RSTOUT);
 	usleep_range(10000, 12000);
-	hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT,  0, HDMI_PHY_SW_RSTOUT);
+	hdmi_reg_writemask(hdata, HDMI_PHY_RSTOUT, 0, HDMI_PHY_SW_RSTOUT);
 	usleep_range(10000, 12000);
 }
 
+static void hdmiphy_enable_mode_set(struct hdmi_context *hdata, bool enable)
+{
+	u8 v = enable ? HDMI_PHY_ENABLE_MODE_SET : HDMI_PHY_DISABLE_MODE_SET;
+
+	if (hdata->drv_data == &exynos5433_hdmi_driver_data)
+		writel(v, hdata->regs_hdmiphy + HDMIPHY5433_MODE_SET_DONE);
+}
+
 static void hdmiphy_conf_apply(struct hdmi_context *hdata)
 {
 	int ret;
-	int i;
+	const u8 *phy_conf;
 
-	/* pixel clock */
-	i = hdmi_find_phy_conf(hdata, hdata->current_mode.clock * 1000);
-	if (i < 0) {
+	ret = hdmi_find_phy_conf(hdata, hdata->current_mode.clock * 1000);
+	if (ret < 0) {
 		DRM_ERROR("failed to find hdmiphy conf\n");
 		return;
 	}
+	phy_conf = hdata->drv_data->phy_confs.data[ret].conf;
+
+	hdmi_clk_set_parents(hdata, false);
+
+	hdmiphy_conf_reset(hdata);
 
-	ret = hdmiphy_reg_write_buf(hdata, 0,
-			hdata->drv_data->phy_confs[i].conf, 32);
+	hdmiphy_enable_mode_set(hdata, true);
+	ret = hdmiphy_reg_write_buf(hdata, 0, phy_conf, 32);
 	if (ret) {
 		DRM_ERROR("failed to configure hdmiphy\n");
 		return;
 	}
-
+	hdmiphy_enable_mode_set(hdata, false);
+	hdmi_clk_set_parents(hdata, true);
 	usleep_range(10000, 12000);
+	hdmiphy_wait_for_pll(hdata);
 }
 
 static void hdmi_conf_apply(struct hdmi_context *hdata)
 {
-	hdmiphy_conf_reset(hdata);
-	hdmiphy_conf_apply(hdata);
-
 	hdmi_start(hdata, false);
 	hdmi_conf_init(hdata);
-
 	hdmi_audio_init(hdata);
-
-	/* setting core registers */
 	hdmi_mode_apply(hdata);
 	hdmi_audio_control(hdata, true);
-
-	hdmi_regs_dump(hdata, "start");
 }
 
 static void hdmi_mode_set(struct drm_encoder *encoder,
@@ -1579,10 +1469,17 @@ static void hdmi_mode_set(struct drm_encoder *encoder,
 	hdata->cea_video_id = drm_match_cea_mode(mode);
 }
 
-static void hdmi_enable(struct drm_encoder *encoder)
+static void hdmi_set_refclk(struct hdmi_context *hdata, bool on)
 {
-	struct hdmi_context *hdata = encoder_to_hdmi(encoder);
+	if (!hdata->sysreg)
+		return;
 
+	regmap_update_bits(hdata->sysreg, EXYNOS5433_SYSREG_DISP_HDMI_PHY,
+			   SYSREG_HDMI_REFCLK_INT_CLK, on ? ~0 : 0);
+}
+
+static void hdmiphy_enable(struct hdmi_context *hdata)
+{
 	if (hdata->powered)
 		return;
 
@@ -1591,15 +1488,47 @@ static void hdmi_enable(struct drm_encoder *encoder)
 	if (regulator_bulk_enable(ARRAY_SIZE(supply), hdata->regul_bulk))
 		DRM_DEBUG_KMS("failed to enable regulator bulk\n");
 
-	/* set pmu hdmiphy control bit to enable hdmiphy */
 	regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
 			PMU_HDMI_PHY_ENABLE_BIT, 1);
 
-	hdmi_conf_apply(hdata);
+	hdmi_set_refclk(hdata, true);
+
+	hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, 0, HDMI_PHY_POWER_OFF_EN);
+
+	hdmiphy_conf_apply(hdata);
 
 	hdata->powered = true;
 }
 
+static void hdmiphy_disable(struct hdmi_context *hdata)
+{
+	if (!hdata->powered)
+		return;
+
+	hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
+
+	hdmi_reg_writemask(hdata, HDMI_PHY_CON_0, ~0, HDMI_PHY_POWER_OFF_EN);
+
+	hdmi_set_refclk(hdata, false);
+
+	regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
+			PMU_HDMI_PHY_ENABLE_BIT, 0);
+
+	regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
+
+	pm_runtime_put_sync(hdata->dev);
+
+	hdata->powered = false;
+}
+
+static void hdmi_enable(struct drm_encoder *encoder)
+{
+	struct hdmi_context *hdata = encoder_to_hdmi(encoder);
+
+	hdmiphy_enable(hdata);
+	hdmi_conf_apply(hdata);
+}
+
 static void hdmi_disable(struct drm_encoder *encoder)
 {
 	struct hdmi_context *hdata = encoder_to_hdmi(encoder);
@@ -1623,20 +1552,9 @@ static void hdmi_disable(struct drm_encoder *encoder)
 	if (funcs && funcs->disable)
 		(*funcs->disable)(crtc);
 
-	/* HDMI System Disable */
-	hdmi_reg_writemask(hdata, HDMI_CON_0, 0, HDMI_EN);
-
 	cancel_delayed_work(&hdata->hotplug_work);
 
-	/* reset pmu hdmiphy control bit to disable hdmiphy */
-	regmap_update_bits(hdata->pmureg, PMU_HDMI_PHY_CONTROL,
-			PMU_HDMI_PHY_ENABLE_BIT, 0);
-
-	regulator_bulk_disable(ARRAY_SIZE(supply), hdata->regul_bulk);
-
-	pm_runtime_put_sync(hdata->dev);
-
-	hdata->powered = false;
+	hdmiphy_disable(hdata);
 }
 
 static const struct drm_encoder_helper_funcs exynos_hdmi_encoder_helper_funcs = {
@@ -1670,6 +1588,68 @@ static irqreturn_t hdmi_irq_thread(int irq, void *arg)
 	return IRQ_HANDLED;
 }
 
+static int hdmi_clks_get(struct hdmi_context *hdata,
+			 const struct string_array_spec *names,
+			 struct clk **clks)
+{
+	struct device *dev = hdata->dev;
+	int i;
+
+	for (i = 0; i < names->count; ++i) {
+		struct clk *clk = devm_clk_get(dev, names->data[i]);
+
+		if (IS_ERR(clk)) {
+			int ret = PTR_ERR(clk);
+
+			dev_err(dev, "Cannot get clock %s, %d\n",
+				names->data[i], ret);
+
+			return ret;
+		}
+
+		clks[i] = clk;
+	}
+
+	return 0;
+}
+
+static int hdmi_clk_init(struct hdmi_context *hdata)
+{
+	const struct hdmi_driver_data *drv_data = hdata->drv_data;
+	int count = drv_data->clk_gates.count + drv_data->clk_muxes.count;
+	struct device *dev = hdata->dev;
+	struct clk **clks;
+	int ret;
+
+	if (!count)
+		return 0;
+
+	clks = devm_kzalloc(dev, sizeof(*clks) * count, GFP_KERNEL);
+	if (!clks)
+		return -ENOMEM;
+
+	hdata->clk_gates = clks;
+	hdata->clk_muxes = clks + drv_data->clk_gates.count;
+
+	ret = hdmi_clks_get(hdata, &drv_data->clk_gates, hdata->clk_gates);
+	if (ret)
+		return ret;
+
+	return hdmi_clks_get(hdata, &drv_data->clk_muxes, hdata->clk_muxes);
+}
+
+
+static void hdmiphy_clk_enable(struct exynos_drm_clk *clk, bool enable)
+{
+	struct hdmi_context *hdata = container_of(clk, struct hdmi_context,
+						  phy_clk);
+
+	if (enable)
+		hdmiphy_enable(hdata);
+	else
+		hdmiphy_disable(hdata);
+}
+
 static int hdmi_resources_init(struct hdmi_context *hdata)
 {
 	struct device *dev = hdata->dev;
@@ -1688,39 +1668,14 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
 		DRM_ERROR("failed to get GPIO irq\n");
 		return  hdata->irq;
 	}
-	/* get clocks, power */
-	hdata->hdmi = devm_clk_get(dev, "hdmi");
-	if (IS_ERR(hdata->hdmi)) {
-		DRM_ERROR("failed to get clock 'hdmi'\n");
-		ret = PTR_ERR(hdata->hdmi);
-		goto fail;
-	}
-	hdata->sclk_hdmi = devm_clk_get(dev, "sclk_hdmi");
-	if (IS_ERR(hdata->sclk_hdmi)) {
-		DRM_ERROR("failed to get clock 'sclk_hdmi'\n");
-		ret = PTR_ERR(hdata->sclk_hdmi);
-		goto fail;
-	}
-	hdata->sclk_pixel = devm_clk_get(dev, "sclk_pixel");
-	if (IS_ERR(hdata->sclk_pixel)) {
-		DRM_ERROR("failed to get clock 'sclk_pixel'\n");
-		ret = PTR_ERR(hdata->sclk_pixel);
-		goto fail;
-	}
-	hdata->sclk_hdmiphy = devm_clk_get(dev, "sclk_hdmiphy");
-	if (IS_ERR(hdata->sclk_hdmiphy)) {
-		DRM_ERROR("failed to get clock 'sclk_hdmiphy'\n");
-		ret = PTR_ERR(hdata->sclk_hdmiphy);
-		goto fail;
-	}
-	hdata->mout_hdmi = devm_clk_get(dev, "mout_hdmi");
-	if (IS_ERR(hdata->mout_hdmi)) {
-		DRM_ERROR("failed to get clock 'mout_hdmi'\n");
-		ret = PTR_ERR(hdata->mout_hdmi);
-		goto fail;
-	}
 
-	clk_set_parent(hdata->mout_hdmi, hdata->sclk_pixel);
+	ret = hdmi_clk_init(hdata);
+	if (ret)
+		return ret;
+
+	ret = hdmi_clk_set_parents(hdata, false);
+	if (ret)
+		return ret;
 
 	for (i = 0; i < ARRAY_SIZE(supply); ++i) {
 		hdata->regul_bulk[i].supply = supply[i];
@@ -1728,7 +1683,8 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
 	}
 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(supply), hdata->regul_bulk);
 	if (ret) {
-		DRM_ERROR("failed to get regulators\n");
+		if (ret != -EPROBE_DEFER)
+			DRM_ERROR("failed to get regulators\n");
 		return ret;
 	}
 
@@ -1745,9 +1701,6 @@ static int hdmi_resources_init(struct hdmi_context *hdata)
 		DRM_ERROR("failed to enable hdmi-en regulator\n");
 
 	return ret;
-fail:
-	DRM_ERROR("HDMI resource init - failed\n");
-	return ret;
 }
 
 static struct of_device_id hdmi_match_types[] = {
@@ -1760,6 +1713,9 @@ static struct of_device_id hdmi_match_types[] = {
 	}, {
 		.compatible = "samsung,exynos5420-hdmi",
 		.data = &exynos5420_hdmi_driver_data,
+	}, {
+		.compatible = "samsung,exynos5433-hdmi",
+		.data = &exynos5433_hdmi_driver_data,
 	}, {
 		/* end node */
 	}
@@ -1780,6 +1736,10 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
 	if (pipe < 0)
 		return pipe;
 
+	hdata->phy_clk.enable = hdmiphy_clk_enable;
+
+	exynos_drm_crtc_from_pipe(drm_dev, pipe)->pipe_clk = &hdata->phy_clk;
+
 	encoder->possible_crtcs = 1 << pipe;
 
 	DRM_DEBUG_KMS("possible_crtcs = 0x%x\n", encoder->possible_crtcs);
@@ -1830,7 +1790,6 @@ static struct device_node *hdmi_legacy_phy_dt_binding(struct device *dev)
 static int hdmi_probe(struct platform_device *pdev)
 {
 	struct device_node *ddc_node, *phy_node;
-	const struct of_device_id *match;
 	struct device *dev = &pdev->dev;
 	struct hdmi_context *hdata;
 	struct resource *res;
@@ -1840,11 +1799,7 @@ static int hdmi_probe(struct platform_device *pdev)
 	if (!hdata)
 		return -ENOMEM;
 
-	match = of_match_device(hdmi_match_types, dev);
-	if (!match)
-		return -ENODEV;
-
-	hdata->drv_data = match->data;
+	hdata->drv_data = of_device_get_match_data(dev);
 
 	platform_set_drvdata(pdev, hdata);
 
@@ -1852,7 +1807,8 @@ static int hdmi_probe(struct platform_device *pdev)
 
 	ret = hdmi_resources_init(hdata);
 	if (ret) {
-		DRM_ERROR("hdmi_resources_init failed\n");
+		if (ret != -EPROBE_DEFER)
+			DRM_ERROR("hdmi_resources_init failed\n");
 		return ret;
 	}
 
@@ -1867,7 +1823,6 @@ static int hdmi_probe(struct platform_device *pdev)
 	if (ddc_node)
 		goto out_get_ddc_adpt;
 
-	/* DDC i2c driver */
 	ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
 	if (!ddc_node) {
 		DRM_ERROR("Failed to find ddc node in device tree\n");
@@ -1885,7 +1840,6 @@ out_get_ddc_adpt:
 	if (phy_node)
 		goto out_get_phy_port;
 
-	/* hdmiphy i2c driver */
 	phy_node = of_parse_phandle(dev->of_node, "phy", 0);
 	if (!phy_node) {
 		DRM_ERROR("Failed to find hdmiphy node in device tree\n");
@@ -1929,6 +1883,16 @@ out_get_phy_port:
 		goto err_hdmiphy;
 	}
 
+	if (hdata->drv_data->has_sysreg) {
+		hdata->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
+				"samsung,sysreg-phandle");
+		if (IS_ERR(hdata->sysreg)) {
+			DRM_ERROR("sysreg regmap lookup failed.\n");
+			ret = -EPROBE_DEFER;
+			goto err_hdmiphy;
+		}
+	}
+
 	pm_runtime_enable(dev);
 
 	ret = component_add(&pdev->dev, &hdmi_component_ops);
@@ -1975,8 +1939,7 @@ static int exynos_hdmi_suspend(struct device *dev)
 {
 	struct hdmi_context *hdata = dev_get_drvdata(dev);
 
-	clk_disable_unprepare(hdata->sclk_hdmi);
-	clk_disable_unprepare(hdata->hdmi);
+	hdmi_clk_disable_gates(hdata);
 
 	return 0;
 }
@@ -1986,17 +1949,9 @@ static int exynos_hdmi_resume(struct device *dev)
 	struct hdmi_context *hdata = dev_get_drvdata(dev);
 	int ret;
 
-	ret = clk_prepare_enable(hdata->hdmi);
-	if (ret < 0) {
-		DRM_ERROR("Failed to prepare_enable the hdmi clk [%d]\n", ret);
-		return ret;
-	}
-	ret = clk_prepare_enable(hdata->sclk_hdmi);
-	if (ret < 0) {
-		DRM_ERROR("Failed to prepare_enable the sclk_mixer clk [%d]\n",
-			  ret);
+	ret = hdmi_clk_enable_gates(hdata);
+	if (ret < 0)
 		return ret;
-	}
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c
index 0a5a60005..74a4269cc 100644
--- a/drivers/gpu/drm/exynos/exynos_mixer.c
+++ b/drivers/gpu/drm/exynos/exynos_mixer.c
@@ -31,6 +31,7 @@
 #include <linux/clk.h>
 #include <linux/regulator/consumer.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/component.h>
 
 #include <drm/exynos_drm.h>
@@ -103,8 +104,6 @@ struct mixer_context {
 
 	struct mixer_resources	mixer_res;
 	enum mixer_version_id	mxr_ver;
-	wait_queue_head_t	wait_vsync_queue;
-	atomic_t		wait_vsync_event;
 };
 
 struct mixer_drv_data {
@@ -787,12 +786,6 @@ static irqreturn_t mixer_irq_handler(int irq, void *arg)
 
 			exynos_drm_crtc_finish_update(ctx->crtc, plane);
 		}
-
-		/* set wait vsync event to zero and wake up queue. */
-		if (atomic_read(&ctx->wait_vsync_event)) {
-			atomic_set(&ctx->wait_vsync_event, 0);
-			wake_up(&ctx->wait_vsync_queue);
-		}
 	}
 
 out:
@@ -1027,34 +1020,6 @@ static void mixer_atomic_flush(struct exynos_drm_crtc *crtc)
 	mixer_vsync_set_update(mixer_ctx, true);
 }
 
-static void mixer_wait_for_vblank(struct exynos_drm_crtc *crtc)
-{
-	struct mixer_context *mixer_ctx = crtc->ctx;
-	int err;
-
-	if (!test_bit(MXR_BIT_POWERED, &mixer_ctx->flags))
-		return;
-
-	err = drm_vblank_get(mixer_ctx->drm_dev, mixer_ctx->pipe);
-	if (err < 0) {
-		DRM_DEBUG_KMS("failed to acquire vblank counter\n");
-		return;
-	}
-
-	atomic_set(&mixer_ctx->wait_vsync_event, 1);
-
-	/*
-	 * wait for MIXER to signal VSYNC interrupt or return after
-	 * timeout which is set to 50ms (refresh rate of 20).
-	 */
-	if (!wait_event_timeout(mixer_ctx->wait_vsync_queue,
-				!atomic_read(&mixer_ctx->wait_vsync_event),
-				HZ/20))
-		DRM_DEBUG_KMS("vblank wait timed out.\n");
-
-	drm_vblank_put(mixer_ctx->drm_dev, mixer_ctx->pipe);
-}
-
 static void mixer_enable(struct exynos_drm_crtc *crtc)
 {
 	struct mixer_context *ctx = crtc->ctx;
@@ -1065,6 +1030,8 @@ static void mixer_enable(struct exynos_drm_crtc *crtc)
 
 	pm_runtime_get_sync(ctx->dev);
 
+	exynos_drm_pipe_clk_enable(crtc, true);
+
 	mixer_vsync_set_update(ctx, false);
 
 	mixer_reg_writemask(res, MXR_STATUS, ~0, MXR_STATUS_SOFT_RESET);
@@ -1094,6 +1061,8 @@ static void mixer_disable(struct exynos_drm_crtc *crtc)
 	for (i = 0; i < MIXER_WIN_NR; i++)
 		mixer_disable_plane(crtc, &ctx->planes[i]);
 
+	exynos_drm_pipe_clk_enable(crtc, false);
+
 	pm_runtime_put(ctx->dev);
 
 	clear_bit(MXR_BIT_POWERED, &ctx->flags);
@@ -1126,7 +1095,6 @@ static const struct exynos_drm_crtc_ops mixer_crtc_ops = {
 	.disable		= mixer_disable,
 	.enable_vblank		= mixer_enable_vblank,
 	.disable_vblank		= mixer_disable_vblank,
-	.wait_for_vblank	= mixer_wait_for_vblank,
 	.atomic_begin		= mixer_atomic_begin,
 	.update_plane		= mixer_update_plane,
 	.disable_plane		= mixer_disable_plane,
@@ -1155,18 +1123,6 @@ static struct mixer_drv_data exynos4210_mxr_drv_data = {
 	.has_sclk = 1,
 };
 
-static const struct platform_device_id mixer_driver_types[] = {
-	{
-		.name		= "s5p-mixer",
-		.driver_data	= (unsigned long)&exynos4210_mxr_drv_data,
-	}, {
-		.name		= "exynos5-mixer",
-		.driver_data	= (unsigned long)&exynos5250_mxr_drv_data,
-	}, {
-		/* end node */
-	}
-};
-
 static struct of_device_id mixer_match_types[] = {
 	{
 		.compatible = "samsung,exynos4210-mixer",
@@ -1243,7 +1199,7 @@ static const struct component_ops mixer_component_ops = {
 static int mixer_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct mixer_drv_data *drv;
+	const struct mixer_drv_data *drv;
 	struct mixer_context *ctx;
 	int ret;
 
@@ -1253,23 +1209,13 @@ static int mixer_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	if (dev->of_node) {
-		const struct of_device_id *match;
-
-		match = of_match_node(mixer_match_types, dev->of_node);
-		drv = (struct mixer_drv_data *)match->data;
-	} else {
-		drv = (struct mixer_drv_data *)
-			platform_get_device_id(pdev)->driver_data;
-	}
+	drv = of_device_get_match_data(dev);
 
 	ctx->pdev = pdev;
 	ctx->dev = dev;
 	ctx->vp_enabled = drv->is_vp_enabled;
 	ctx->has_sclk = drv->has_sclk;
 	ctx->mxr_ver = drv->version;
-	init_waitqueue_head(&ctx->wait_vsync_queue);
-	atomic_set(&ctx->wait_vsync_event, 0);
 
 	platform_set_drvdata(pdev, ctx);
 
@@ -1355,5 +1301,4 @@ struct platform_driver mixer_driver = {
 	},
 	.probe = mixer_probe,
 	.remove = mixer_remove,
-	.id_table	= mixer_driver_types,
 };
diff --git a/drivers/gpu/drm/exynos/regs-hdmi.h b/drivers/gpu/drm/exynos/regs-hdmi.h
index 8c891e59b..169667a22 100644
--- a/drivers/gpu/drm/exynos/regs-hdmi.h
+++ b/drivers/gpu/drm/exynos/regs-hdmi.h
@@ -586,10 +586,12 @@
 #define HDMI_TG_VACT_ST4_L		HDMI_TG_BASE(0x0070)
 #define HDMI_TG_VACT_ST4_H		HDMI_TG_BASE(0x0074)
 #define HDMI_TG_3D			HDMI_TG_BASE(0x00F0)
+#define HDMI_TG_DECON_EN		HDMI_TG_BASE(0x01e0)
 
 /* HDMI PHY Registers Offsets*/
-#define HDMIPHY_POWER		(0x74 >> 2)
-#define HDMIPHY_MODE_SET_DONE		(0x7c >> 2)
+#define HDMIPHY_POWER			0x74
+#define HDMIPHY_MODE_SET_DONE		0x7c
+#define HDMIPHY5433_MODE_SET_DONE	0x84
 
 /* HDMI PHY Values */
 #define HDMI_PHY_POWER_ON              0x80
@@ -603,4 +605,7 @@
 #define PMU_HDMI_PHY_CONTROL		0x700
 #define PMU_HDMI_PHY_ENABLE_BIT		BIT(0)
 
+#define EXYNOS5433_SYSREG_DISP_HDMI_PHY	0x1008
+#define SYSREG_HDMI_REFCLK_INT_CLK	1
+
 #endif /* SAMSUNG_REGS_HDMI_H */
-- 
cgit v1.2.3-54-g00ecf