diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 0851de07..2c69ed4 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -82,6 +82,7 @@ i915-y += dvo_ch7017.o \
 	  intel_dp.o \
 	  intel_dsi.o \
 	  intel_dsi_panel_vbt.o \
+	  intel_dsi_cabc.o \
 	  intel_dsi_pll.o \
 	  intel_dvo.o \
 	  intel_hdmi.o \
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 71bd1dc..5febde4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -3392,7 +3392,7 @@ void intel_sbi_write(struct drm_i915_private *dev_priv, u16 reg, u32 value,
 		     enum intel_sbi_destination destination);
 u32 vlv_flisdsi_read(struct drm_i915_private *dev_priv, u32 reg);
 void vlv_flisdsi_write(struct drm_i915_private *dev_priv, u32 reg, u32 val);
-
+int intel_dsi_cabc_init_backlight_funcs(struct intel_connector *intel_connector);
 int intel_gpu_freq(struct drm_i915_private *dev_priv, int val);
 int intel_freq_opcode(struct drm_i915_private *dev_priv, int val);
 
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 170ae6f..f40b08f 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -1175,8 +1175,23 @@ void intel_dsi_init(struct drm_device *dev)
 		intel_dsi->ports = (1 << PORT_C);
 	}
 
-	if (dev_priv->vbt.dsi.config->dual_link)
+	if (dev_priv->vbt.dsi.config->dual_link) {
 		intel_dsi->ports = ((1 << PORT_A) | (1 << PORT_C));
+		switch (dev_priv->vbt.dsi.config->dl_cabc_port) {
+		case CABC_PORT_A:
+			intel_dsi->bkl_dcs_ports = (1 << PORT_A);
+			break;
+		case CABC_PORT_C:
+			intel_dsi->bkl_dcs_ports = (1 << PORT_C);
+			break;
+		case CABC_PORT_A_AND_C:
+			intel_dsi->bkl_dcs_ports = intel_dsi->ports;
+			break;
+		default:
+			DRM_ERROR("Unknown MIPI ports for sending DCS\n");
+		}
+	} else
+		intel_dsi->bkl_dcs_ports = intel_dsi->ports;
 
 	/* Create a DSI host (and a device) for each port. */
 	for_each_dsi_port(port, intel_dsi->ports) {
diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
index 40fd75a..0de2b4a 100644
--- a/drivers/gpu/drm/i915/intel_dsi.h
+++ b/drivers/gpu/drm/i915/intel_dsi.h
@@ -34,6 +34,10 @@
 #define DSI_DUAL_LINK_FRONT_BACK	1
 #define DSI_DUAL_LINK_PIXEL_ALT		2
 
+#define CABC_PORT_A                     0x00
+#define CABC_PORT_C                     0x01
+#define CABC_PORT_A_AND_C               0x02
+
 struct intel_dsi_host;
 
 struct intel_dsi {
diff --git a/drivers/gpu/drm/i915/intel_dsi_cabc.c b/drivers/gpu/drm/i915/intel_dsi_cabc.c
new file mode 100644
index 0000000..d14a669
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_dsi_cabc.c
@@ -0,0 +1,179 @@
+/*
+ * Copyright © 2006-2010 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Author: Deepak M <m.deepak at intel.com>
+ */
+
+#include "intel_drv.h"
+#include "intel_dsi.h"
+#include "i915_drv.h"
+#include <drm/drm_mipi_dsi.h>
+
+#define CABC_OFF                        (0 << 0)
+#define CABC_USER_INTERFACE_IMAGE       (1 << 0)
+#define CABC_STILL_PICTURE              (2 << 0)
+#define CABC_VIDEO_MODE                 (3 << 0)
+
+#define CABC_BACKLIGHT                  (1 << 2)
+#define CABC_DIMMING_DISPLAY            (1 << 3)
+#define CABC_BCTRL                      (1 << 5)
+
+#define CABC_MAX_VALUE                  0xFF
+
+#define MIPI_DCS_CABC_LEVEL_RD          0x52
+#define MIPI_DCS_CABC_MIN_BRIGHTNESS_RD 0x5F
+#define MIPI_DCS_CABC_CONTROL_RD        0x56
+#define MIPI_DCS_CABC_CONTROL_BRIGHT_RD 0x54
+#define MIPI_DCS_CABC_LEVEL_WR          0x51
+#define MIPI_DCS_CABC_MIN_BRIGHTNESS_WR 0x5E
+#define MIPI_DCS_CABC_CONTROL_WR        0x55
+#define MIPI_DCS_CABC_CONTROL_BRIGHT_WR 0x53
+
+static u32 cabc_get_backlight(struct intel_connector *connector)
+{
+	struct intel_dsi *intel_dsi = NULL;
+	struct intel_encoder *encoder = NULL;
+	struct mipi_dsi_device *dsi_device;
+	u8 data[2] = {0};
+	enum port port;
+
+	encoder = connector->encoder;
+	intel_dsi = enc_to_intel_dsi(&encoder->base);
+
+	for_each_dsi_port(port, intel_dsi->bkl_dcs_ports) {
+		dsi_device = intel_dsi->dsi_hosts[port]->device;
+		mipi_dsi_dcs_read(dsi_device, MIPI_DCS_CABC_LEVEL_RD, data, 2);
+	}
+
+	return data[1];
+}
+
+static void cabc_set_backlight(struct intel_connector *connector, u32 level)
+{
+	struct intel_dsi *intel_dsi = NULL;
+	struct intel_encoder *encoder = NULL;
+	struct mipi_dsi_device *dsi_device;
+	u8 data[2] = {0};
+	enum port port;
+
+	encoder = connector->encoder;
+	intel_dsi = enc_to_intel_dsi(&encoder->base);
+
+	for_each_dsi_port(port, intel_dsi->bkl_dcs_ports) {
+		dsi_device = intel_dsi->dsi_hosts[port]->device;
+		data[1] = level;
+		data[0] = MIPI_DCS_CABC_LEVEL_WR;
+		mipi_dsi_dcs_write_buffer(dsi_device, data, 2);
+	}
+}
+
+static void cabc_disable_backlight(struct intel_connector *connector)
+{
+	struct intel_dsi *intel_dsi = NULL;
+	struct intel_encoder *encoder = NULL;
+	struct mipi_dsi_device *dsi_device;
+	enum port port;
+	u8 data[2] = {0};
+
+	encoder = connector->encoder;
+	intel_dsi = enc_to_intel_dsi(&encoder->base);
+
+	cabc_set_backlight(connector, 0);
+
+	for_each_dsi_port(port, intel_dsi->bkl_dcs_ports) {
+		dsi_device = intel_dsi->dsi_hosts[port]->device;
+		data[1] = CABC_OFF;
+		data[0] = MIPI_DCS_CABC_CONTROL_WR;
+		mipi_dsi_dcs_write_buffer(dsi_device, data, 2);
+		data[0] = MIPI_DCS_CABC_CONTROL_BRIGHT_WR;
+		mipi_dsi_dcs_write_buffer(dsi_device, data, 2);
+	}
+}
+
+static void cabc_enable_backlight(struct intel_connector *connector)
+{
+	struct intel_dsi *intel_dsi = NULL;
+	struct intel_encoder *encoder = NULL;
+	struct intel_panel *panel = &connector->panel;
+	struct mipi_dsi_device *dsi_device;
+	enum port port;
+	u8 data[2] = {0};
+
+	encoder = connector->encoder;
+	intel_dsi = enc_to_intel_dsi(&encoder->base);
+
+	for_each_dsi_port(port, intel_dsi->bkl_dcs_ports) {
+		dsi_device = intel_dsi->dsi_hosts[port]->device;
+		data[0] = MIPI_DCS_CABC_CONTROL_BRIGHT_WR;
+		data[1] = CABC_BACKLIGHT | CABC_DIMMING_DISPLAY | CABC_BCTRL;
+		mipi_dsi_dcs_write_buffer(dsi_device, data, 2);
+		data[0] = MIPI_DCS_CABC_CONTROL_WR;
+		data[1] = CABC_STILL_PICTURE;
+		mipi_dsi_dcs_write_buffer(dsi_device, data, 2);
+	}
+
+	cabc_set_backlight(connector, panel->backlight.level);
+}
+
+static int cabc_setup_backlight(struct intel_connector *connector,
+		enum pipe unused)
+{
+	struct drm_device *dev = connector->base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_panel *panel = &connector->panel;
+
+	if (dev_priv->vbt.backlight.present)
+		panel->backlight.present = true;
+	else {
+		DRM_ERROR("no backlight present per VBT\n");
+		return 0;
+	}
+
+	panel->backlight.max = CABC_MAX_VALUE;
+	panel->backlight.level = CABC_MAX_VALUE;
+
+	return 0;
+}
+
+int intel_dsi_cabc_init_backlight_funcs(struct intel_connector *intel_connector)
+{
+	struct drm_device *dev = intel_connector->base.dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_encoder *encoder = intel_connector->encoder;
+	struct intel_panel *panel = &intel_connector->panel;
+
+	if (!dev_priv->vbt.dsi.config->cabc_supported)
+		return -EINVAL;
+
+	if (encoder->type != INTEL_OUTPUT_DSI) {
+		DRM_ERROR("Use DSI encoder for CABC\n");
+		return -EINVAL;
+	}
+
+	panel->backlight.setup = cabc_setup_backlight;
+	panel->backlight.enable = cabc_enable_backlight;
+	panel->backlight.disable = cabc_disable_backlight;
+	panel->backlight.set = cabc_set_backlight;
+	panel->backlight.get = cabc_get_backlight;
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index a24df35..a056970 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1744,6 +1744,10 @@ intel_panel_init_backlight_funcs(struct intel_panel *panel)
 	struct drm_device *dev = intel_connector->base.dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
+	if (intel_connector->base.connector_type == DRM_MODE_CONNECTOR_DSI &&
+		intel_dsi_cabc_init_backlight_funcs(intel_connector) == 0)
+		return;
+
 	if (IS_BROXTON(dev)) {
 		panel->backlight.setup = bxt_setup_backlight;
 		panel->backlight.enable = bxt_enable_backlight;
