Merge "msm: mhi_dev: Disable/Enable interrupts during suspend/resume"
diff --git a/Documentation/devicetree/bindings/display/msm/sde.txt b/Documentation/devicetree/bindings/display/msm/sde.txt
index 0589165..15f1e93 100644
--- a/Documentation/devicetree/bindings/display/msm/sde.txt
+++ b/Documentation/devicetree/bindings/display/msm/sde.txt
@@ -103,6 +103,8 @@
 - qcom,sde-dsc-size:		A u32 value indicates the address range for each dsc.
 - qcom,sde-cdm-size:		A u32 value indicates the address range for each cdm.
 - qcom,sde-pp-size:		A u32 value indicates the address range for each pingpong.
+- qcom,sde-te-source:		Array of GPIO sources indicating which pingpong TE is
+				sourced to which panel TE gpio.
 - qcom,sde-wb-size:		A u32 value indicates the address range for each writeback.
 - qcom,sde-len:			A u32 entry for SDE address range.
 - qcom,sde-intf-max-prefetch-lines:	Array of u32 values for max prefetch lines on
@@ -502,6 +504,7 @@
     qcom,sde-pp-off = <0x00071000 0x00071800
 			  0x00072000 0x00072800>;
     qcom,sde-pp-slave = <0x0 0x0 0x0 0x0>;
+    qcom,sde-te-source = <0x0 0x1 0x0 0x0>;
     qcom,sde-cdm-off = <0x0007a200>;
     qcom,sde-dsc-off = <0x00081000 0x00081400>;
     qcom,sde-intf-max-prefetch-lines = <0x15 0x15 0x15 0x15>;
diff --git a/Documentation/devicetree/bindings/fb/mdss-dsi.txt b/Documentation/devicetree/bindings/fb/mdss-dsi.txt
index 1934bc5..2d689d2 100644
--- a/Documentation/devicetree/bindings/fb/mdss-dsi.txt
+++ b/Documentation/devicetree/bindings/fb/mdss-dsi.txt
@@ -113,6 +113,7 @@
 - qcom,platform-bklight-en-gpio-invert:	Invert the gpio used to enable display back-light
 - qcom,panel-mode-gpio:			Specifies the GPIO to select video/command/single-port/dual-port
 					mode of panel through gpio when it supports these modes.
+- qcom,ext-vdd-gpio:			Specifies the GPIO to enable external VDD supply.
 - pinctrl-names:			List of names to assign mdss pin states defined in pinctrl device node
 					Refer to pinctrl-bindings.txt
 - pinctrl-<0..n>:			Lists phandles each pointing to the pin configuration node within a pin
diff --git a/Documentation/devicetree/bindings/fb/mdss-spi-client.txt b/Documentation/devicetree/bindings/fb/mdss-spi-client.txt
new file mode 100644
index 0000000..0d5fde8
--- /dev/null
+++ b/Documentation/devicetree/bindings/fb/mdss-spi-client.txt
@@ -0,0 +1,27 @@
+Qualcomm Technologies, Inc. mdss-spi-client
+
+mdss-spi-client is for SPI display to send the FB data to SPI master.
+
+Required properties:
+- compatible : should be "qcom,mdss-spi-client"
+- spi-max-frequency : Maximum SPI clocking speed of device in Hz
+
+Optional properties:
+- label: A string used to describe the controller used.
+- spi-cpol : Boolean property indicating device requires inverse
+  clock polarity (CPOL) mode
+- spi-cpha :  Empty property indicating device requires shifted
+  clock phase (CPHA) mode
+- spi-cs-high :  Empty property indicating device requires
+  chip select active high
+
+Example:
+spi@78b9000 { /* BLSP1 QUP5 */
+	qcom,mdss_spi_client {
+		reg = <0>;
+		compatible = "qcom,mdss-spi-client";
+		label = "MDSS SPI QUP5 CLIENT";
+		spi-max-frequency = <50000000>;
+	};
+};
+
diff --git a/Documentation/devicetree/bindings/fb/mdss-spi-panel.txt b/Documentation/devicetree/bindings/fb/mdss-spi-panel.txt
new file mode 100644
index 0000000..d46068f
--- /dev/null
+++ b/Documentation/devicetree/bindings/fb/mdss-spi-panel.txt
@@ -0,0 +1,203 @@
+Qualcomm Technologies, Inc. mdss-spi-panel
+
+mdss-spi-panel is a SPI panel device which supports panels that
+are compatible with display serial interface specification.
+
+Required properties:
+- qcom,mdss-spi-panel-controller:	Specifies the phandle for the SPI controller that
+					this panel will be mapped to.
+- qcom,mdss-spi-panel-width:		Specifies panel width in pixels.
+- qcom,mdss-spi-panel-height:		Specifies panel height in pixels.
+- qcom,mdss-spi-bpp:			Specifies the panel bits per pixels.
+					3  = for rgb111
+					8  = for rgb332
+					12 = for rgb444
+					16 = for rgb565
+					18 = for rgb666
+					24 = for rgb888
+- qcom,mdss-spi-panel-destination:	A string that specifies the destination display for the panel.
+					"display_1" = DISPLAY_1
+					"display_2" = DISPLAY_2
+- qcom,mdss-spi-on-command:		A byte stream formed by multiple packets
+					byte 0: wait number of specified ms after command
+						 transmitted
+					byte 1: 8 bits length in network byte order
+					byte 3 and beyond: number byte of payload
+- qcom,mdss-spi-off-command:		A byte stream formed by multiple packets
+					byte 0: wait number of specified ms after command
+						 transmitted
+					byte 1: 8 bits length in network byte order
+					byte 3 and beyond: number byte of payload
+Optional properties:
+- qcom,mdss-spi-panel-name:		A string used as a descriptive name of the panel
+- qcom,cont-splash-enabled:		Boolean used to enable continuous splash mode.
+					If this property is specified, it is required to
+					to specify the memory reserved for the splash
+					screen using the qcom,memblock-reserve binding
+					for the framebuffer device attached to the panel.
+- qcom,mdss-spi-h-back-porch:		Horizontal back porch value in pixels.
+					6 = default value.
+- qcom,mdss-spi-h-front-porch:		Horizontal front porch value in pixels.
+					6 = default value.
+- qcom,mdss-spi-h-pulse-width:		Horizontal pulse width.
+					2 = default value.
+- qcom,mdss-spi-h-sync-skew:		Horizontal sync skew value.
+					0 = default value.
+- qcom,mdss-spi-v-back-porch:		Vertical back porch value in pixels.
+					6 = default value.
+- qcom,mdss-spi-v-front-porch:		Vertical front porch value in pixels.
+					6 = default value.
+- qcom,mdss-spi-v-pulse-width:		Vertical pulse width.
+					2 = default value.
+- qcom,mdss-spi-bl-pmic-control-type:	A string that specifies the implementation of backlight
+					control for this panel.
+					"bl_ctrl_pwm" = Backlight controlled by PWM gpio.
+					"bl_ctrl_wled" = Backlight controlled by WLED.
+					other: Unknown backlight control. (default)
+- qcom,mdss-spi-bl-min-level:		Specifies the min backlight level supported by the panel.
+					0 = default value.
+- qcom,mdss-spi-bl-max-level:		Specifies the max backlight level supported by the panel.
+					255 = default value.
+- qcom,mdss-spi-panel-framerate:	Specifies the frame rate for the panel.
+- qcom,esd-check-enabled:		Boolean used to enable ESD recovery feature.
+- qcom,mdss-spi-panel-status-check-mode:Specifies the panel status check method for ESD recovery.
+					"send_init_command" = send init code to recover panel status.
+					"reg_read" = Read register value to check the panel status.
+- qcom,mdss-spi-panel-status-reg:Unsigned 8bits integer value to specifies the value
+					of panel status register address.
+- qcom,mdss-spi-panel-status-read-length:Unsigned 8bits integer value that specifies
+					the expected read-back length of the panel register.
+- qcom,mdss-spi-panel-status-value:An unsigned 8bits integer araray that specifies the
+					values of the panel status register which is used to
+					check the panel status.
+					The size of this array is specified by
+					qcom,mdss-dsi-panel-status-read-length.
+
+Example:
+&mdss_mdp {
+	spi_gc9305_qvga_cmd: qcom,mdss_spi_gc9305_qvga_cmd {
+		qcom,mdss-spi-panel-name = "gc9305 qvga command mode spi panel";
+		qcom,mdss-spi-panel-destination = "display_1";
+		qcom,mdss-spi-panel-controller = <&mdss_spi>;
+		qcom,mdss-spi-panel-framerate = <30>;
+		qcom,mdss-spi-panel-width = <240>;
+		qcom,mdss-spi-panel-height = <320>;
+		qcom,mdss-spi-h-front-porch = <79>;
+		qcom,mdss-spi-h-back-porch = <59>;
+		qcom,mdss-spi-h-pulse-width = <60>;
+		qcom,mdss-spi-v-back-porch = <10>;
+		qcom,mdss-spi-v-front-porch = <7>;
+		qcom,mdss-spi-v-pulse-width = <2>;
+		qcom,mdss-spi-h-left-border = <0>;
+		qcom,mdss-spi-h-right-border = <0>;
+		qcom,mdss-spi-v-top-border = <0>;
+		qcom,mdss-spi-v-bottom-border = <0>;
+		qcom,mdss-spi-bpp = <16>;
+		qcom,mdss-spi-on-command = [00 01 FE
+			00 01 EF
+			00 02 36 48
+			00 02 3A 05
+			00 02 35 00
+			00 03 A4 44 44
+			00 03 A5 42 42
+			00 03 AA 88 88
+			00 03 E8 12 40
+			00 03 E3 01 10
+			00 02 FF 61
+			00 02 AC 00
+			00 03 A6 2A 2A
+			00 03 A7 2B 2B
+			00 03 A8 18 18
+			00 03 A9 2A 2A
+			00 02 AD 33
+			00 02 AF 55
+			00 02 AE 2B
+			00 05 2A 00 00 00 EF
+			00 05 2B 00 00 01 3F
+			00 01 2C
+			00 07 F0 02 02 00 08 0C 10
+			00 07 F1 01 00 00 14 1D 0E
+			00 07 F2 10 09 37 04 04 48
+			00 07 F3 10 0B 3F 05 05 4E
+			00 07 F4 0D 19 17 1D 1E 0F
+			00 07 F5 06 12 13 1A 1B 0F
+			78 01 11
+			00 01 29
+			00 01 2C];
+		qcom,mdss-spi-off-command = [20 01 28
+			20 01 10];
+		qcom,mdss-spi-bl-min-level = <1>;
+		qcom,mdss-spi-bl-max-level = <4095>;
+		qcom,esd-check-enabled;
+		qcom,mdss-spi-panel-status-check-mode = "reg_read";
+		qcom,mdss-spi-panel-status-reg = /bits/ 8 <0x09>;
+		qcom,mdss-spi-panel-status-read-length = <4>;
+		qcom,mdss-spi-panel-status-value = /bits/ 8 <0x52 0x29 0x83 0x00>;
+	};
+};
+
+mdss-spi-display is a spi interface display which support send frame
+data and command to panel, compatible with SPI interface specification.
+
+Required properties:
+- compatible:	This property applies to SPI panels only.
+			compatible = "qcom,mdss-spi-display".
+- vdd-supply:	Phandle for vdd regulator device node.
+- vddio-supply:	Phandle for vdd-io regulator device node.
+- qcom,mdss-fb-map:	pHandle that specifies the framebuffer to which the interface is mapped.
+- qcom,mdss-mdp:	pHandle that specifies the mdss-mdp device.
+- qcom,panel-supply-entries:	A node that lists the elements of the supply used to
+				power the DSI panel. There can be more than one instance
+				of this binding, in which case the entry would be appended
+				with the supply entry index. For a detailed description
+				fields in the supply entry, refer to the qcom,ctrl-supply-entries
+				binding above.
+- qcom,platform-spi-dc-gpio: 	Pull down this gpio indicate current package is command,
+				Pull up this gpio indicate current package is parameter or pixels.
+
+Optional properties:
+- label:A string used to describe the controller used.
+	-- qcom,supply-name: name of the supply (vdd/vdda/vddio)
+	-- qcom,supply-min-voltage: minimum voltage level (uV)
+	-- qcom,supply-max-voltage: maximum voltage level (uV)
+	-- qcom,supply-enable-load: load drawn (uA) from enabled supply
+	-- qcom,supply-disable-load: load drawn (uA) from disabled supply
+	-- qcom,supply-pre-on-sleep: time to sleep (ms) before turning on
+	-- qcom,supply-post-on-sleep: time to sleep (ms) after turning on
+	-- qcom,supply-pre-off-sleep: time to sleep (ms) before turning off
+	-- qcom,supply-post-off-sleep: time to sleep (ms) after turning off
+
+Example:
+	mdss_spi: qcom,mdss_spi {
+		compatible = "qcom,mdss-spi-display";
+		label = "mdss spi panel";
+
+		qcom,mdss-fb-map = <&mdss_fb0>;
+		qcom,mdss-mdp = <&mdss_mdp>;
+		vdd-supply = <&pm8909_l17>;
+		vddio-supply = <&pm8909_l6>;
+		qcom,platform-spi-dc-gpio = <&msm_gpio 110 0>;
+
+		qcom,panel-supply-entries {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			qcom,panel-supply-entry@0 {
+				reg = <0>;
+				qcom,supply-name = "vdd";
+				qcom,supply-min-voltage = <2850000>;
+				qcom,supply-max-voltage = <2850000>;
+				qcom,supply-enable-load = <100000>;
+				qcom,supply-disable-load = <100>;
+			};
+
+			qcom,panel-supply-entry@1 {
+				reg = <1>;
+				qcom,supply-name = "vddio";
+				qcom,supply-min-voltage = <1800000>;
+				qcom,supply-max-voltage = <1800000>;
+				qcom,supply-enable-load = <100000>;
+				qcom,supply-disable-load = <100>;
+			};
+		};
+	};
diff --git a/arch/arm/configs/msm8937-perf_defconfig b/arch/arm/configs/msm8937-perf_defconfig
index dae45e1..ced854d 100644
--- a/arch/arm/configs/msm8937-perf_defconfig
+++ b/arch/arm/configs/msm8937-perf_defconfig
@@ -67,6 +67,7 @@
 CONFIG_PREEMPT=y
 CONFIG_AEABI=y
 CONFIG_HIGHMEM=y
+CONFIG_ARM_MODULE_PLTS=y
 CONFIG_CMA=y
 CONFIG_CMA_DEBUGFS=y
 CONFIG_ZSMALLOC=y
diff --git a/arch/arm/configs/msm8937_defconfig b/arch/arm/configs/msm8937_defconfig
index 3c43fa3..40d5cb1 100644
--- a/arch/arm/configs/msm8937_defconfig
+++ b/arch/arm/configs/msm8937_defconfig
@@ -70,6 +70,7 @@
 CONFIG_PREEMPT=y
 CONFIG_AEABI=y
 CONFIG_HIGHMEM=y
+CONFIG_ARM_MODULE_PLTS=y
 CONFIG_CMA=y
 CONFIG_CMA_DEBUGFS=y
 CONFIG_ZSMALLOC=y
diff --git a/arch/arm64/boot/dts/qcom/apq8053-lite-dragon-v2.1.dtsi b/arch/arm64/boot/dts/qcom/apq8053-lite-dragon-v2.1.dtsi
index 4d9c40c..993799b 100644
--- a/arch/arm64/boot/dts/qcom/apq8053-lite-dragon-v2.1.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8053-lite-dragon-v2.1.dtsi
@@ -14,7 +14,7 @@
 #include "apq8053-lite-dragon.dtsi"
 
 &mdss_dsi0 {
-	qcom,ext_vdd-gpio = <&tlmm 100 0>;
+	qcom,ext-vdd-gpio = <&tlmm 100 0>;
 	qcom,platform-bklight-en-gpio = <&tlmm 95 0>;
 
 	qcom,platform-lane-config = [00 00 ff 0f
diff --git a/arch/arm64/boot/dts/qcom/apq8053-lite-dragon-v2.2.dtsi b/arch/arm64/boot/dts/qcom/apq8053-lite-dragon-v2.2.dtsi
index 396fd55..1744c90 100644
--- a/arch/arm64/boot/dts/qcom/apq8053-lite-dragon-v2.2.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8053-lite-dragon-v2.2.dtsi
@@ -18,6 +18,41 @@
 	/delete-node/ himax_ts@48;
 };
 
+&mdss_mdp {
+	qcom,mdss-pref-prim-intf = "dsi";
+};
+
+&mdss_dsi {
+	hw-config = "single_dsi";
+};
+
+&mdss_dsi0 {
+	qcom,dsi-pref-prim-pan = <&dsi_boent51021_1200p_video>;
+	pinctrl-names = "mdss_default", "mdss_sleep";
+	pinctrl-0 = <&mdss_dsi_active &mdss_te_active>;
+	pinctrl-1 = <&mdss_dsi_suspend &mdss_te_suspend>;
+
+	vdd-supply = <&pm8953_l10>;
+	vddio-supply = <&pm8953_l6>;
+	lab-supply = <&lab_regulator>;
+	ibb-supply = <&ibb_regulator>;
+
+	qcom,platform-te-gpio = <&tlmm 24 0>;
+	qcom,platform-reset-gpio = <&tlmm 61 0>;
+	qcom,ext-vdd-gpio = <&tlmm 100 0>;
+	qcom,platform-bklight-en-gpio = <&tlmm 95 0>;
+
+	qcom,platform-lane-config = [00 00 ff 0f
+				00 00 ff 0f
+				00 00 ff 0f
+				00 00 ff 0f
+				00 00 ff 8f];
+};
+
+&mdss_dsi1 {
+	status = "disabled";
+};
+
 &eeprom0 {
 	gpios = <&tlmm 26 0>,
 		<&tlmm 40 0>,
diff --git a/arch/arm64/boot/dts/qcom/dsi-panel-boent51021-1200p-video.dtsi b/arch/arm64/boot/dts/qcom/dsi-panel-boent51021-1200p-video.dtsi
new file mode 100644
index 0000000..04accd8
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/dsi-panel-boent51021-1200p-video.dtsi
@@ -0,0 +1,92 @@
+/* Novatek Android Driver Sample Code for Novatek chipset
+ *
+ * Copyright (C) 2015-2018 Novatek Microelectronics Corp.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+&mdss_mdp {
+	dsi_boent51021_1200p_video: qcom,mdss_dsi_boent51021_1200p_video {
+		qcom,mdss-dsi-panel-name =
+			"boent51021 1200p video mode dsi panel";
+		qcom,mdss-dsi-panel-controller = <&mdss_dsi0>;
+		qcom,mdss-dsi-panel-type = "dsi_video_mode";
+		qcom,mdss-dsi-panel-framerate = <60>;
+		qcom,mdss-dsi-virtual-channel-id = <0>;
+		qcom,mdss-dsi-stream = <0>;
+		qcom,mdss-dsi-panel-width = <1200>;
+		qcom,mdss-dsi-panel-height = <1920>;
+		qcom,mdss-dsi-h-front-porch = <100>;
+		qcom,mdss-dsi-h-back-porch = <32>;
+		qcom,mdss-dsi-h-pulse-width = <1>;
+		qcom,mdss-dsi-h-sync-skew = <0>;
+		qcom,mdss-dsi-v-back-porch = <14>;
+		qcom,mdss-dsi-v-front-porch = <25>;
+		qcom,mdss-dsi-v-pulse-width = <1>;
+		qcom,mdss-dsi-h-left-border = <0>;
+		qcom,mdss-dsi-h-right-border = <0>;
+		qcom,mdss-dsi-v-top-border = <0>;
+		qcom,mdss-dsi-v-bottom-border = <0>;
+		qcom,mdss-dsi-bpp = <24>;
+		qcom,mdss-dsi-underflow-color = <0xff>;
+		qcom,mdss-dsi-border-color = <0>;
+		qcom,mdss-dsi-on-command = [
+			23 01 00 00 01 00 02 8f a5
+			23 01 00 00 00 00 02 83 00
+			23 01 00 00 00 00 02 84 00
+			23 01 00 00 00 00 02 8c 80
+			23 01 00 00 00 00 02 cd 6c
+			23 01 00 00 00 00 02 c8 fc
+			23 01 00 00 00 00 02 97 00
+			23 01 00 00 00 00 02 8b 10
+			23 01 00 00 00 00 02 a9 20
+			23 01 00 00 00 00 02 83 aa
+			23 01 00 00 00 00 02 84 11
+			23 01 00 00 00 00 02 a9 4b
+			23 01 00 00 00 00 02 85 04
+			23 01 00 00 00 00 02 86 08
+			23 01 00 00 00 00 02 9c 10
+			05 01 00 00 00 00 02 11 00
+			23 01 00 00 00 00 02 8f 00
+		];
+		qcom,mdss-dsi-off-command = [
+			23 01 00 00 00 00 02 83 00
+			23 01 00 00 78 00 02 84 00
+			05 01 00 00 78 00 02 10 00
+		];
+		qcom,mdss-dsi-on-command-state = "dsi_lp_mode";
+		qcom,mdss-dsi-off-command-state = "dsi_lp_mode";
+		qcom,mdss-dsi-h-sync-pulse = <1>;
+		qcom,mdss-dsi-traffic-mode = "burst_mode";
+		qcom,mdss-dsi-lane-map = "lane_map_0123";
+		qcom,mdss-dsi-bllp-eof-power-mode;
+		qcom,mdss-dsi-bllp-power-mode;
+		qcom,mdss-dsi-lane-0-state;
+		qcom,mdss-dsi-lane-1-state;
+		qcom,mdss-dsi-lane-2-state;
+		qcom,mdss-dsi-lane-3-state;
+		qcom,mdss-dsi-panel-timings = [
+			f2 3a 28 00 6c 70 2c 3e 2e 03 04 00];
+		qcom,mdss-dsi-t-clk-post = <0x0e>;
+		qcom,mdss-dsi-t-clk-pre = <0x33>;
+		qcom,mdss-dsi-bl-min-level = <1>;
+		qcom,mdss-dsi-bl-max-level = <4095>;
+		qcom,panel-supply-entries = <&dsi_panel_pwr_supply>;
+		qcom,mdss-dsi-dma-trigger = "trigger_sw";
+		qcom,mdss-dsi-mdp-trigger = "none";
+		qcom,mdss-dsi-force-clock-lane-hs;
+		qcom,mdss-dsi-bl-pmic-control-type = "bl_ctrl_wled";
+		qcom,mdss-pan-physical-width-dimension = <135>;
+		qcom,mdss-pan-physical-height-dimension = <216>;
+		qcom,mdss-dsi-lp11-init;
+		qcom,mdss-dsi-post-init-delay = <1>;
+	};
+};
diff --git a/arch/arm64/boot/dts/qcom/msm8909.dtsi b/arch/arm64/boot/dts/qcom/msm8909.dtsi
index a72fdbf..2b9c1e1 100644
--- a/arch/arm64/boot/dts/qcom/msm8909.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8909.dtsi
@@ -77,7 +77,6 @@
 			efficiency = <1024>;
 			sched-energy-costs = <&CPU_COST_0 &CLUSTER_COST_0>;
 			qcom,sleep-status = <&cpu0_slp_sts>;
-			qcom,limits-info = <&mitigation_profile0>;
 		};
 
 		CPU1: cpu@1 {
@@ -87,7 +86,6 @@
 			efficiency = <1024>;
 			sched-energy-costs = <&CPU_COST_0 &CLUSTER_COST_0>;
 			qcom,sleep-status = <&cpu1_slp_sts>;
-			qcom,limits-info = <&mitigation_profile2>;
 		};
 
 		CPU2: cpu@2 {
@@ -97,7 +95,6 @@
 			efficiency = <1024>;
 			sched-energy-costs = <&CPU_COST_0 &CLUSTER_COST_0>;
 			qcom,sleep-status = <&cpu2_slp_sts>;
-			qcom,limits-info = <&mitigation_profile1>;
 		};
 
 		CPU3: cpu@3 {
@@ -107,7 +104,6 @@
 			efficiency = <1024>;
 			sched-energy-costs = <&CPU_COST_0 &CLUSTER_COST_0>;
 			qcom,sleep-status = <&cpu3_slp_sts>;
-			qcom,limits-info = <&mitigation_profile2>;
 		};
 	};
 
@@ -559,79 +555,6 @@
 
 	};
 
-	qcom,sensor-information {
-		compatible = "qcom,sensor-information";
-		sensor_information0: qcom,sensor-information-0 {
-			qcom,sensor-type = "tsens";
-			qcom,sensor-name = "tsens_tz_sensor0";
-			qcom,alias-name = "pop_mem";
-		};
-
-		sensor_information1: qcom,sensor-information-1 {
-			qcom,sensor-type =  "tsens";
-			qcom,sensor-name = "tsens_tz_sensor1";
-		};
-
-		sensor_information2: qcom,sensor-information-2 {
-			qcom,sensor-type =  "tsens";
-			qcom,sensor-name = "tsens_tz_sensor2";
-		};
-
-		sensor_information3: qcom,sensor-information-3 {
-			qcom,sensor-type =  "tsens";
-			qcom,sensor-name = "tsens_tz_sensor3";
-		};
-
-		sensor_information4: qcom,sensor-information-4 {
-			qcom,sensor-type = "tsens";
-			qcom,sensor-name = "tsens_tz_sensor4";
-		};
-
-		sensor_information5: qcom,sensor-information-5 {
-			qcom,sensor-type = "adc";
-			qcom,sensor-name = "pa_therm0";
-		};
-
-		sensor_information6: qcom,sensor-information-6 {
-			qcom,sensor-type = "adc";
-			qcom,sensor-name = "case_therm";
-		};
-
-		sensor_information7: qcom,sensor-information-7 {
-			qcom,sensor-type = "alarm";
-			qcom,sensor-name = "pm8909_tz";
-			qcom,scaling-factor = <1000>;
-		};
-
-		sensor_information8: qcom,sensor-information-8 {
-			qcom,sensor-type = "adc";
-			qcom,sensor-name = "xo_therm";
-		};
-
-		sensor_information9: qcom,sensor-information-9 {
-			qcom,sensor-type = "adc";
-			qcom,sensor-name = "xo_therm_buf";
-		};
-	};
-
-	mitigation_profile0: qcom,limit_info-0 {
-		qcom,temperature-sensor = <&sensor_information3>;
-		qcom,boot-frequency-mitigate;
-		qcom,emergency-frequency-mitigate;
-	};
-
-	mitigation_profile1: qcom,limit_info-1 {
-		qcom,temperature-sensor = <&sensor_information3>;
-		qcom,boot-frequency-mitigate;
-		qcom,hotplug-mitigation-enable;
-	};
-
-	mitigation_profile2: qcom,limit_info-2 {
-		qcom,temperature-sensor = <&sensor_information4>;
-		qcom,boot-frequency-mitigate;
-		qcom,hotplug-mitigation-enable;
-	};
-
 	qcom,ipc-spinlock@1905000 {
 		compatible = "qcom,ipc-spinlock-sfpb";
 		reg = <0x1905000 0x8000>;
diff --git a/arch/arm64/boot/dts/qcom/msm8953-mdss-panels.dtsi b/arch/arm64/boot/dts/qcom/msm8953-mdss-panels.dtsi
index 7ee30f6..a80b4fe 100644
--- a/arch/arm64/boot/dts/qcom/msm8953-mdss-panels.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8953-mdss-panels.dtsi
@@ -25,6 +25,7 @@
 #include "dsi-panel-lt8912-1080p-video.dtsi"
 #include "dsi-panel-hx8399c-fhd-plus-video.dtsi"
 #include "dsi-panel-hx83100a-800p-video.dtsi"
+#include "dsi-panel-boent51021-1200p-video.dtsi"
 
 &soc {
 	dsi_panel_pwr_supply: dsi_panel_pwr_supply {
@@ -169,3 +170,11 @@
 		1f 1c 05 06 03 03 04 a0
 		1f 10 05 06 03 03 04 a0];
 };
+
+&dsi_boent51021_1200p_video {
+	qcom,mdss-dsi-panel-timings-phy-v2 = [25 20 08 0a 06 03 04 a0
+		25 20 08 0a 06 03 04 a0
+		25 20 08 0a 06 03 04 a0
+		25 20 08 0a 06 03 04 a0
+		25 1d 08 0a 06 03 04 a0];
+};
diff --git a/arch/arm64/boot/dts/qcom/sdm670-vidc.dtsi b/arch/arm64/boot/dts/qcom/sdm670-vidc.dtsi
index a0b4a22..f5e9489 100644
--- a/arch/arm64/boot/dts/qcom/sdm670-vidc.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm670-vidc.dtsi
@@ -129,15 +129,19 @@
 
 		/* Clocks */
 		clock-names = "core_clk", "iface_clk", "bus_clk",
-			"core0_clk", "core0_bus_clk";
+			"core0_clk", "core0_bus_clk", "core1_clk",
+			"core1_bus_clk";
 		clocks = <&clock_videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
 			<&clock_videocc VIDEO_CC_VENUS_AHB_CLK>,
 			<&clock_videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
 			<&clock_videocc VIDEO_CC_VCODEC0_CORE_CLK>,
-			<&clock_videocc VIDEO_CC_VCODEC0_AXI_CLK>;
+			<&clock_videocc VIDEO_CC_VCODEC0_AXI_CLK>,
+			<&clock_videocc VIDEO_CC_VCODEC1_CORE_CLK>,
+			<&clock_videocc VIDEO_CC_VCODEC1_AXI_CLK>;
 		qcom,proxy-clock-names = "core_clk", "iface_clk",
-			"bus_clk", "core0_clk", "core0_bus_clk";
-		qcom,clock-configs = <0x1 0x0 0x0 0x1 0x0>;
+			"bus_clk", "core0_clk", "core0_bus_clk",
+			"core1_clk", "core1_bus_clk";
+		qcom,clock-configs = <0x1 0x0 0x0 0x1 0x0 0x4 0x4>;
 		qcom,allowed-clock-rates = <100000000 200000000 330000000
 			364700000>;
 
diff --git a/arch/arm64/configs/msm8953-perf_defconfig b/arch/arm64/configs/msm8953-perf_defconfig
index bb98179..92e369e 100644
--- a/arch/arm64/configs/msm8953-perf_defconfig
+++ b/arch/arm64/configs/msm8953-perf_defconfig
@@ -73,7 +73,6 @@
 CONFIG_SWP_EMULATION=y
 CONFIG_CP15_BARRIER_EMULATION=y
 CONFIG_SETEND_EMULATION=y
-CONFIG_ARM64_SW_TTBR0_PAN=y
 # CONFIG_ARM64_VHE is not set
 CONFIG_RANDOMIZE_BASE=y
 CONFIG_BUILD_ARM64_APPENDED_DTB_IMAGE=y
diff --git a/arch/arm64/configs/msm8953_defconfig b/arch/arm64/configs/msm8953_defconfig
index fb1c316..fc1eb458 100644
--- a/arch/arm64/configs/msm8953_defconfig
+++ b/arch/arm64/configs/msm8953_defconfig
@@ -76,7 +76,6 @@
 CONFIG_SWP_EMULATION=y
 CONFIG_CP15_BARRIER_EMULATION=y
 CONFIG_SETEND_EMULATION=y
-CONFIG_ARM64_SW_TTBR0_PAN=y
 # CONFIG_ARM64_VHE is not set
 CONFIG_RANDOMIZE_BASE=y
 CONFIG_BUILD_ARM64_APPENDED_DTB_IMAGE=y
diff --git a/drivers/gpu/drm/msm/sde/sde_crtc.c b/drivers/gpu/drm/msm/sde/sde_crtc.c
index f5c24e2..34a3d5f 100644
--- a/drivers/gpu/drm/msm/sde/sde_crtc.c
+++ b/drivers/gpu/drm/msm/sde/sde_crtc.c
@@ -2380,7 +2380,6 @@
 	struct sde_crtc *sde_crtc;
 	struct sde_kms *sde_kms;
 	unsigned long flags;
-	bool frame_done = false;
 	bool in_clone_mode = false;
 
 	if (!work) {
@@ -2435,10 +2434,6 @@
 			SDE_EVT32_VERBOSE(DRMID(crtc), fevent->event,
 							SDE_EVTLOG_FUNC_CASE3);
 		}
-
-		if (fevent->event & (SDE_ENCODER_FRAME_EVENT_DONE
-					| SDE_ENCODER_FRAME_EVENT_ERROR))
-			frame_done = true;
 	}
 
 	if (fevent->event & SDE_ENCODER_FRAME_EVENT_SIGNAL_RELEASE_FENCE) {
@@ -2459,9 +2454,6 @@
 		SDE_ERROR("crtc%d ts:%lld received panel dead event\n",
 				crtc->base.id, ktime_to_ns(fevent->ts));
 
-	if (frame_done)
-		complete_all(&sde_crtc->frame_done_comp);
-
 	spin_lock_irqsave(&sde_crtc->spin_lock, flags);
 	list_add_tail(&fevent->list, &sde_crtc->frame_event_list);
 	spin_unlock_irqrestore(&sde_crtc->spin_lock, flags);
@@ -3341,10 +3333,10 @@
 			&cstate->property_state);
 }
 
-static int _sde_crtc_wait_for_frame_done(struct drm_crtc *crtc)
+static int _sde_crtc_flush_event_thread(struct drm_crtc *crtc)
 {
 	struct sde_crtc *sde_crtc;
-	int ret, rc = 0, i;
+	int i;
 
 	if (!crtc) {
 		SDE_ERROR("invalid argument\n");
@@ -3368,17 +3360,9 @@
 			kthread_flush_work(&sde_crtc->frame_events[i].work);
 	}
 
-	ret = wait_for_completion_timeout(&sde_crtc->frame_done_comp,
-			msecs_to_jiffies(SDE_FRAME_DONE_TIMEOUT));
-	if (!ret) {
-		SDE_ERROR("frame done completion wait timed out, ret:%d\n",
-				ret);
-		SDE_EVT32(DRMID(crtc), SDE_EVTLOG_FATAL);
-		rc = -ETIMEDOUT;
-	}
 	SDE_EVT32_VERBOSE(DRMID(crtc), SDE_EVTLOG_FUNC_EXIT);
 
-	return rc;
+	return 0;
 }
 
 static int _sde_crtc_commit_kickoff_rot(struct drm_crtc *crtc,
@@ -3705,7 +3689,6 @@
 	struct sde_kms *sde_kms;
 	struct sde_crtc_state *cstate;
 	bool is_error, reset_req;
-	int ret;
 
 	if (!crtc) {
 		SDE_ERROR("invalid argument\n");
@@ -3764,23 +3747,11 @@
 	}
 	sde_crtc->reset_request = reset_req;
 
-	/* wait for frame_event_done completion */
-	SDE_ATRACE_BEGIN("wait_for_frame_done_event");
-	ret = _sde_crtc_wait_for_frame_done(crtc);
-	SDE_ATRACE_END("wait_for_frame_done_event");
+	SDE_ATRACE_BEGIN("flush_event_thread");
+	_sde_crtc_flush_event_thread(crtc);
+	SDE_ATRACE_END("flush_event_thread");
 	sde_crtc_calc_fps(sde_crtc);
 
-	if (ret) {
-		SDE_ERROR("crtc%d wait for frame done failed;frame_pending%d\n",
-				crtc->base.id,
-				atomic_read(&sde_crtc->frame_pending));
-
-		is_error = true;
-
-		/* force offline rotation mode since the commit has no pipes */
-		cstate->sbuf_cfg.rot_op_mode = SDE_CTL_ROT_OP_MODE_OFFLINE;
-	}
-
 	if (atomic_inc_return(&sde_crtc->frame_pending) == 1) {
 		/* acquire bandwidth and other resources */
 		SDE_DEBUG("crtc%d first commit\n", crtc->base.id);
@@ -3818,7 +3789,6 @@
 		sde_encoder_kickoff(encoder, false);
 	}
 
-	reinit_completion(&sde_crtc->frame_done_comp);
 	SDE_ATRACE_END("crtc_commit");
 	return;
 }
@@ -4219,11 +4189,7 @@
 	if (cstate->num_ds_enabled)
 		sde_crtc->ds_reconfig = true;
 
-	/* wait for frame_event_done completion */
-	if (_sde_crtc_wait_for_frame_done(crtc))
-		SDE_ERROR("crtc%d wait for frame done failed;frame_pending%d\n",
-				crtc->base.id,
-				atomic_read(&sde_crtc->frame_pending));
+	_sde_crtc_flush_event_thread(crtc);
 
 	SDE_EVT32(DRMID(crtc), sde_crtc->enabled, sde_crtc->suspend,
 			sde_crtc->vblank_requested,
@@ -4238,6 +4204,8 @@
 	sde_crtc->enabled = false;
 
 	if (atomic_read(&sde_crtc->frame_pending)) {
+		SDE_ERROR("crtc%d frame_pending%d\n", crtc->base.id,
+				atomic_read(&sde_crtc->frame_pending));
 		SDE_EVT32(DRMID(crtc), atomic_read(&sde_crtc->frame_pending),
 							SDE_EVTLOG_FUNC_CASE2);
 		sde_core_perf_crtc_release_bw(crtc);
@@ -4731,8 +4699,6 @@
 
 	for (i = 1; i < SSPP_MAX; i++) {
 		if (pipe_staged[i]) {
-			sde_plane_clear_multirect(pipe_staged[i]);
-
 			if (is_sde_plane_virtual(pipe_staged[i]->plane)) {
 				SDE_ERROR(
 					"r1 only virt plane:%d not supported\n",
@@ -4740,6 +4706,7 @@
 				rc  = -EINVAL;
 				goto end;
 			}
+			sde_plane_clear_multirect(pipe_staged[i]);
 		}
 	}
 
@@ -6097,7 +6064,6 @@
 	mutex_init(&sde_crtc->rp_lock);
 	INIT_LIST_HEAD(&sde_crtc->rp_head);
 
-	init_completion(&sde_crtc->frame_done_comp);
 	sde_crtc->enabled = false;
 
 	INIT_LIST_HEAD(&sde_crtc->frame_event_list);
diff --git a/drivers/gpu/drm/msm/sde/sde_crtc.h b/drivers/gpu/drm/msm/sde/sde_crtc.h
index c02a81e..99177b1 100644
--- a/drivers/gpu/drm/msm/sde/sde_crtc.h
+++ b/drivers/gpu/drm/msm/sde/sde_crtc.h
@@ -190,7 +190,6 @@
  * @frame_events  : static allocation of in-flight frame events
  * @frame_event_list : available frame event list
  * @spin_lock     : spin lock for frame event, transaction status, etc...
- * @frame_done_comp    : for frame_event_done synchronization
  * @event_thread  : Pointer to event handler thread
  * @event_worker  : Event worker queue
  * @event_cache   : Local cache of event worker structures
@@ -262,7 +261,6 @@
 	struct sde_crtc_frame_event frame_events[SDE_CRTC_FRAME_EVENT_SIZE];
 	struct list_head frame_event_list;
 	spinlock_t spin_lock;
-	struct completion frame_done_comp;
 
 	/* for handling internal event thread */
 	struct sde_crtc_event event_cache[SDE_CRTC_MAX_EVENT_COUNT];
diff --git a/drivers/gpu/drm/msm/sde/sde_encoder.c b/drivers/gpu/drm/msm/sde/sde_encoder.c
index b54c152..f9a59b0 100644
--- a/drivers/gpu/drm/msm/sde/sde_encoder.c
+++ b/drivers/gpu/drm/msm/sde/sde_encoder.c
@@ -1489,12 +1489,13 @@
 
 		vsync_cfg.pp_count = sde_enc->num_phys_encs;
 		vsync_cfg.frame_rate = mode_info.frame_rate;
+		vsync_cfg.vsync_source =
+			sde_enc->cur_master->hw_pp->caps->te_source;
 		if (is_dummy)
 			vsync_cfg.vsync_source = SDE_VSYNC_SOURCE_WD_TIMER_1;
 		else if (disp_info->is_te_using_watchdog_timer)
 			vsync_cfg.vsync_source = SDE_VSYNC_SOURCE_WD_TIMER_0;
-		else
-			vsync_cfg.vsync_source = SDE_VSYNC0_SOURCE_GPIO;
+
 		vsync_cfg.is_dummy = is_dummy;
 
 		hw_mdptop->ops.setup_vsync_source(hw_mdptop, &vsync_cfg);
diff --git a/drivers/gpu/drm/msm/sde/sde_hw_catalog.c b/drivers/gpu/drm/msm/sde/sde_hw_catalog.c
index 475f8d0..baec526 100644
--- a/drivers/gpu/drm/msm/sde/sde_hw_catalog.c
+++ b/drivers/gpu/drm/msm/sde/sde_hw_catalog.c
@@ -249,6 +249,7 @@
 	DITHER_OFF,
 	DITHER_LEN,
 	DITHER_VER,
+	TE_SOURCE,
 	PP_PROP_MAX,
 };
 
@@ -589,6 +590,7 @@
 	{DITHER_OFF, "qcom,sde-dither-off", false, PROP_TYPE_U32_ARRAY},
 	{DITHER_LEN, "qcom,sde-dither-size", false, PROP_TYPE_U32},
 	{DITHER_VER, "qcom,sde-dither-version", false, PROP_TYPE_U32},
+	{TE_SOURCE, "qcom,sde-te-source", false, PROP_TYPE_U32_ARRAY},
 };
 
 static struct sde_prop_type dsc_prop[] = {
@@ -2628,6 +2630,10 @@
 		snprintf(pp->name, SDE_HW_BLK_NAME_LEN, "pingpong_%u",
 				pp->id - PINGPONG_0);
 		pp->len = PROP_VALUE_ACCESS(prop_value, PP_LEN, 0);
+		pp->te_source = PROP_VALUE_ACCESS(prop_value, TE_SOURCE, i);
+		if (!prop_exists[TE_SOURCE] ||
+			pp->te_source > SDE_VSYNC_SOURCE_WD_TIMER_0)
+			pp->te_source = SDE_VSYNC0_SOURCE_GPIO;
 
 		sblk->te.base = PROP_VALUE_ACCESS(prop_value, TE_OFF, i);
 		sblk->te.id = SDE_PINGPONG_TE;
diff --git a/drivers/gpu/drm/msm/sde/sde_hw_catalog.h b/drivers/gpu/drm/msm/sde/sde_hw_catalog.h
index 65919e9..52bdc78 100644
--- a/drivers/gpu/drm/msm/sde/sde_hw_catalog.h
+++ b/drivers/gpu/drm/msm/sde/sde_hw_catalog.h
@@ -653,6 +653,7 @@
  */
 struct sde_pingpong_cfg  {
 	SDE_HW_BLK_INFO;
+	u32 te_source;
 	const struct sde_pingpong_sub_blks *sblk;
 };
 
diff --git a/drivers/gpu/drm/msm/sde/sde_plane.c b/drivers/gpu/drm/msm/sde/sde_plane.c
index 2e46599..dc55ad5 100644
--- a/drivers/gpu/drm/msm/sde/sde_plane.c
+++ b/drivers/gpu/drm/msm/sde/sde_plane.c
@@ -3449,6 +3449,25 @@
 				src_w, src_h);
 			return -EINVAL;
 		}
+
+		/*
+		 * SSPP fetch , unpack output and QSEED3 input lines need
+		 * to match for Y plane
+		 */
+		if (i == 0 &&
+			(sde_plane_get_property(pstate, PLANE_PROP_SRC_CONFIG) &
+			BIT(SDE_DRM_DEINTERLACE)) &&
+			((pstate->scaler3_cfg.src_height[i] != (src_h/2)) ||
+			(pstate->pixel_ext.roi_h[i] != (src_h/2)))) {
+			SDE_ERROR_PLANE(psde,
+				"de-interlace fail roi[%d] %d/%d, src %dx%d, src %dx%d\n",
+				i, pstate->pixel_ext.roi_w[i],
+				pstate->pixel_ext.roi_h[i],
+				pstate->scaler3_cfg.src_width[i],
+				pstate->scaler3_cfg.src_height[i],
+				src_w, src_h);
+			return -EINVAL;
+		}
 	}
 
 	pstate->scaler_check_state = SDE_PLANE_SCLCHECK_SCALER_V2;
diff --git a/drivers/media/platform/msm/vidc/msm_vidc_common.c b/drivers/media/platform/msm/vidc/msm_vidc_common.c
index 40c9862..d77ea21 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc_common.c
+++ b/drivers/media/platform/msm/vidc/msm_vidc_common.c
@@ -2361,6 +2361,17 @@
 	return 0;
 }
 
+static bool is_heic_encode_session(struct msm_vidc_inst *inst)
+{
+	if (inst->session_type == MSM_VIDC_ENCODER &&
+		(get_hal_codec(inst->fmts[CAPTURE_PORT].fourcc) ==
+		HAL_VIDEO_CODEC_HEVC) &&
+		(inst->img_grid_dimension > 0))
+		return true;
+	else
+		return false;
+}
+
 static bool is_eos_buffer(struct msm_vidc_inst *inst, u32 device_addr)
 {
 	struct eos_buf *temp, *next;
@@ -2406,10 +2417,7 @@
 	}
 
 	empty_buf_done = (struct vidc_hal_ebd *)&response->input_done;
-	if (inst->session_type == MSM_VIDC_ENCODER &&
-		(get_hal_codec(inst->fmts[CAPTURE_PORT].fourcc) ==
-			HAL_VIDEO_CODEC_HEVC) &&
-		(inst->img_grid_dimension > 0) &&
+	if (is_heic_encode_session(inst) &&
 		(empty_buf_done->input_tag < inst->tinfo.count - 1)) {
 		dprintk(VIDC_DBG, "Wait for last tile. Current tile no: %d\n",
 		empty_buf_done->input_tag);
@@ -3154,10 +3162,11 @@
 static void msm_vidc_print_running_insts(struct msm_vidc_core *core)
 {
 	struct msm_vidc_inst *temp;
+	int op_rate = 0;
 
 	dprintk(VIDC_ERR, "Running instances:\n");
-	dprintk(VIDC_ERR, "%4s|%4s|%4s|%4s|%4s\n",
-			"type", "w", "h", "fps", "prop");
+	dprintk(VIDC_ERR, "%4s|%4s|%4s|%4s|%6s|%4s\n",
+			"type", "w", "h", "fps", "opr", "prop");
 
 	mutex_lock(&core->lock);
 	list_for_each_entry(temp, &core->instances, list) {
@@ -3171,13 +3180,21 @@
 			if (msm_comm_turbo_session(temp))
 				strlcat(properties, "T", sizeof(properties));
 
-			dprintk(VIDC_ERR, "%4d|%4d|%4d|%4d|%4s\n",
+			if (is_realtime_session(temp))
+				strlcat(properties, "R", sizeof(properties));
+
+			if (temp->clk_data.operating_rate)
+				op_rate = temp->clk_data.operating_rate >> 16;
+			else
+				op_rate = temp->prop.fps;
+
+			dprintk(VIDC_ERR, "%4d|%4d|%4d|%4d|%6d|%4s\n",
 					temp->session_type,
 					max(temp->prop.width[CAPTURE_PORT],
 						temp->prop.width[OUTPUT_PORT]),
 					max(temp->prop.height[CAPTURE_PORT],
 						temp->prop.height[OUTPUT_PORT]),
-					temp->prop.fps, properties);
+					temp->prop.fps, op_rate, properties);
 		}
 	}
 	mutex_unlock(&core->lock);
@@ -4425,10 +4442,7 @@
 		for (c = 0; c < etbs.count; ++c) {
 			struct vidc_frame_data *frame_data = &etbs.data[c];
 
-			if (inst->session_type == MSM_VIDC_ENCODER &&
-				get_hal_codec(inst->fmts[CAPTURE_PORT].fourcc)
-				 == HAL_VIDEO_CODEC_HEVC &&
-				(inst->img_grid_dimension > 0)) {
+			if (is_heic_encode_session(inst)) {
 				rc = msm_comm_qbuf_heic_tiles(inst, frame_data);
 				if (rc) {
 					dprintk(VIDC_ERR,
@@ -5506,6 +5520,11 @@
 	u32 input_height, input_width, output_height, output_width;
 	u32 rotation;
 
+	if (is_heic_encode_session(inst)) {
+		dprintk(VIDC_DBG, "Skip downscale check for HEIC\n");
+		return 0;
+	}
+
 	input_height = inst->prop.height[OUTPUT_PORT];
 	input_width = inst->prop.width[OUTPUT_PORT];
 	output_height = inst->prop.height[CAPTURE_PORT];
diff --git a/drivers/media/platform/msm/vidc/msm_vidc_res_parse.c b/drivers/media/platform/msm/vidc/msm_vidc_res_parse.c
index 530fe3a..1dc6723 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc_res_parse.c
+++ b/drivers/media/platform/msm/vidc/msm_vidc_res_parse.c
@@ -25,6 +25,7 @@
 enum clock_properties {
 	CLOCK_PROP_HAS_SCALING = 1 << 0,
 	CLOCK_PROP_HAS_MEM_RETENTION    = 1 << 1,
+	CLOCK_PROP_DISABLE_MEMCORE_ONLY = 1 << 2,
 };
 
 #define PERF_GOV "performance"
@@ -666,6 +667,11 @@
 		else
 			vc->has_mem_retention = false;
 
+		if (clock_props[c] & CLOCK_PROP_DISABLE_MEMCORE_ONLY)
+			vc->disable_memcore_only = true;
+		else
+			vc->disable_memcore_only = false;
+
 		dprintk(VIDC_DBG, "Found clock %s: scale-able = %s\n", vc->name,
 			vc->count ? "yes" : "no");
 	}
diff --git a/drivers/media/platform/msm/vidc/msm_vidc_resources.h b/drivers/media/platform/msm/vidc/msm_vidc_resources.h
index 23e33fe..06d8fa5 100644
--- a/drivers/media/platform/msm/vidc/msm_vidc_resources.h
+++ b/drivers/media/platform/msm/vidc/msm_vidc_resources.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2017, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2013-2018, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -90,6 +90,7 @@
 	u32 count;
 	bool has_scaling;
 	bool has_mem_retention;
+	bool disable_memcore_only;
 };
 
 struct clock_set {
diff --git a/drivers/media/platform/msm/vidc/venus_hfi.c b/drivers/media/platform/msm/vidc/venus_hfi.c
index ade04e3..d2e56f3 100644
--- a/drivers/media/platform/msm/vidc/venus_hfi.c
+++ b/drivers/media/platform/msm/vidc/venus_hfi.c
@@ -1097,6 +1097,8 @@
 	int rc = 0;
 
 	venus_hfi_for_each_clock(device, cl) {
+		if (cl->disable_memcore_only)
+			continue;
 		if (cl->has_scaling) {/* has_scaling */
 			device->clk_freq = freq;
 			rc = clk_set_rate(cl->clk, freq);
@@ -3362,6 +3364,8 @@
 	}
 
 	venus_hfi_for_each_clock_reverse(device, cl) {
+		if (cl->disable_memcore_only)
+			continue;
 		dprintk(VIDC_DBG, "Clock: %s disable and unprepare\n",
 				cl->name);
 		rc = clk_set_flags(cl->clk, CLKFLAG_NORETAIN_PERIPH);
@@ -3391,6 +3395,11 @@
 	}
 
 	venus_hfi_for_each_clock(device, cl) {
+		/* MEM CORE is ON by default. Unset it for unused clocks*/
+		if (cl->disable_memcore_only) {
+			clk_set_flags(cl->clk, CLKFLAG_NORETAIN_MEM);
+			continue;
+		}
 		/*
 		 * For the clocks we control, set the rate prior to preparing
 		 * them.  Since we don't really have a load at this point, scale
@@ -3428,6 +3437,8 @@
 
 fail_clk_enable:
 	venus_hfi_for_each_clock_reverse_continue(device, cl, c) {
+		if (cl->disable_memcore_only)
+			continue;
 		dprintk(VIDC_ERR, "Clock: %s disable and unprepare\n",
 			cl->name);
 		clk_disable_unprepare(cl->clk);
diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 3ab93fe..cd76a09 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -335,6 +335,9 @@
 	POWER_SUPPLY_ATTR(battery_info),
 	POWER_SUPPLY_ATTR(battery_info_id),
 	POWER_SUPPLY_ATTR(enable_jeita_detection),
+	POWER_SUPPLY_ATTR(esr_actual),
+	POWER_SUPPLY_ATTR(esr_nominal),
+	POWER_SUPPLY_ATTR(soh),
 	/* Local extensions of type int64_t */
 	POWER_SUPPLY_ATTR(charge_counter_ext),
 	/* Properties of type `const char *' */
diff --git a/drivers/power/supply/qcom/qg-core.h b/drivers/power/supply/qcom/qg-core.h
index e834b8e..f21b2a8 100644
--- a/drivers/power/supply/qcom/qg-core.h
+++ b/drivers/power/supply/qcom/qg-core.h
@@ -60,6 +60,7 @@
 	bool			cl_feedback_on;
 	bool			esr_disable;
 	bool			esr_discharge_enable;
+	bool			qg_ext_sense;
 };
 
 struct qg_esr_data {
@@ -120,6 +121,10 @@
 	int			charge_type;
 	int			chg_iterm_ma;
 	int			next_wakeup_ms;
+	int			esr_actual;
+	int			esr_nominal;
+	int			soh;
+	int			soc_reporting_ready;
 	u32			fifo_done_count;
 	u32			wa_flags;
 	u32			seq_no;
@@ -151,11 +156,18 @@
 	struct ttf		*ttf;
 };
 
+struct ocv_all {
+	u32 ocv_uv;
+	u32 ocv_raw;
+	char ocv_type[20];
+};
+
 enum ocv_type {
 	S7_PON_OCV,
 	S3_GOOD_OCV,
 	S3_LAST_OCV,
 	SDAM_PON_OCV,
+	PON_OCV_MAX,
 };
 
 enum debug_mask {
diff --git a/drivers/power/supply/qcom/qg-reg.h b/drivers/power/supply/qcom/qg-reg.h
index 88572ca..e0f400d 100644
--- a/drivers/power/supply/qcom/qg-reg.h
+++ b/drivers/power/supply/qcom/qg-reg.h
@@ -17,6 +17,7 @@
 #define QG_TYPE					0x0D
 
 #define QG_STATUS1_REG				0x08
+#define QG_OK_BIT				BIT(7)
 #define BATTERY_PRESENT_BIT			BIT(0)
 #define ESR_MEAS_DONE_BIT			BIT(4)
 
@@ -32,6 +33,7 @@
 #define QG_INT_RT_STS_REG			0x10
 #define FIFO_UPDATE_DONE_RT_STS_BIT		BIT(3)
 #define VBAT_LOW_INT_RT_STS_BIT			BIT(1)
+#define BATTERY_MISSING_INT_RT_STS_BIT		BIT(0)
 
 #define QG_INT_LATCHED_STS_REG			0x18
 #define FIFO_UPDATE_DONE_INT_LAT_STS_BIT	BIT(3)
@@ -64,6 +66,12 @@
 #define QG_S3_ENTRY_IBAT_THRESHOLD_REG		0x5E
 #define QG_S3_EXIT_IBAT_THRESHOLD_REG		0x5F
 
+#define QG_S5_OCV_VALIDATE_MEAS_CTL1_REG	0x60
+#define ALLOW_S5_BIT				BIT(7)
+
+#define QG_S7_PON_OCV_MEAS_CTL1_REG		0x64
+#define ADC_CONV_DLY_MASK			GENMASK(3, 0)
+
 #define QG_ESR_MEAS_TRIG_REG			0x68
 #define HW_ESR_MEAS_START_BIT			BIT(0)
 
@@ -105,6 +113,7 @@
 #define QG_SDAM_ESR_DISCHARGE_DELTA_OFFSET	0x6E /* 4-byte 0x6E-0x71 */
 #define QG_SDAM_ESR_CHARGE_SF_OFFSET		0x72 /* 2-byte 0x72-0x73 */
 #define QG_SDAM_ESR_DISCHARGE_SF_OFFSET		0x74 /* 2-byte 0x74-0x75 */
+#define QG_SDAM_MAX_OFFSET			0xA4
 
 /* Below offset is used by PBS */
 #define QG_SDAM_PON_OCV_OFFSET			0xBC /* 2-byte 0xBC-0xBD */
diff --git a/drivers/power/supply/qcom/qpnp-qg.c b/drivers/power/supply/qcom/qpnp-qg.c
index a8a7826..99e0f33 100644
--- a/drivers/power/supply/qcom/qpnp-qg.c
+++ b/drivers/power/supply/qcom/qpnp-qg.c
@@ -25,10 +25,12 @@
 #include <linux/platform_device.h>
 #include <linux/power_supply.h>
 #include <linux/regmap.h>
+#include <linux/slab.h>
 #include <linux/uaccess.h>
 #include <linux/pmic-voter.h>
 #include <linux/qpnp/qpnp-adc.h>
 #include <uapi/linux/qg.h>
+#include <uapi/linux/qg-profile.h>
 #include "fg-alg.h"
 #include "qg-sdam.h"
 #include "qg-core.h"
@@ -685,6 +687,7 @@
 
 	rc = qg_sdam_read(SDAM_ESR_CHARGE_SF, &data);
 	if (!rc && data) {
+		data = CAP(QG_ESR_SF_MIN, QG_ESR_SF_MAX, data);
 		chip->kdata.param[QG_ESR_CHARGE_SF].data = data;
 		chip->kdata.param[QG_ESR_CHARGE_SF].valid = true;
 		qg_dbg(chip, QG_DEBUG_ESR,
@@ -695,6 +698,7 @@
 
 	rc = qg_sdam_read(SDAM_ESR_DISCHARGE_SF, &data);
 	if (!rc && data) {
+		data = CAP(QG_ESR_SF_MIN, QG_ESR_SF_MAX, data);
 		chip->kdata.param[QG_ESR_DISCHARGE_SF].data = data;
 		chip->kdata.param[QG_ESR_DISCHARGE_SF].valid = true;
 		qg_dbg(chip, QG_DEBUG_ESR,
@@ -1002,6 +1006,7 @@
 		qg_dbg(chip, QG_DEBUG_ESR, "ESR_SW=%d during %s\n",
 			chip->esr_avg, is_charging ? "CHARGE" : "DISCHARGE");
 		qg_retrieve_esr_params(chip);
+		chip->esr_actual = chip->esr_avg;
 	}
 
 	return 0;
@@ -1052,23 +1057,22 @@
 	if (chip->udata.param[QG_ESR].valid)
 		chip->esr_last = chip->udata.param[QG_ESR].data;
 
+	if (chip->esr_actual != -EINVAL && chip->udata.param[QG_ESR].valid) {
+		chip->esr_nominal = chip->udata.param[QG_ESR].data;
+		if (chip->qg_psy)
+			power_supply_changed(chip->qg_psy);
+	}
+
 	if (!chip->dt.esr_disable)
 		qg_store_esr_params(chip);
 
 	qg_dbg(chip, QG_DEBUG_STATUS, "udata update: batt_soc=%d cc_soc=%d full_soc=%d qg_esr=%d\n",
-		chip->batt_soc, chip->cc_soc, chip->full_soc, chip->esr_last);
+		(chip->batt_soc != INT_MIN) ? chip->batt_soc : -EINVAL,
+		(chip->cc_soc != INT_MIN) ? chip->cc_soc : -EINVAL,
+		chip->full_soc, chip->esr_last);
 	vote(chip->awake_votable, UDATA_READY_VOTER, false, 0);
 }
 
-static irqreturn_t qg_default_irq_handler(int irq, void *data)
-{
-	struct qpnp_qg *chip = data;
-
-	qg_dbg(chip, QG_DEBUG_IRQ, "IRQ triggered\n");
-
-	return IRQ_HANDLED;
-}
-
 #define MAX_FIFO_DELTA_PERCENT		10
 static irqreturn_t qg_fifo_update_done_handler(int irq, void *data)
 {
@@ -1154,6 +1158,11 @@
 		pr_err("Failed to read RT status, rc=%d\n", rc);
 		goto done;
 	}
+	/* ignore VBAT low if battery is missing */
+	if ((status & BATTERY_MISSING_INT_RT_STS_BIT) ||
+			chip->battery_missing)
+		goto done;
+
 	chip->vbat_low = !!(status & VBAT_LOW_INT_RT_STS_BIT);
 
 	rc = process_rt_fifo_data(chip, chip->vbat_low, false);
@@ -1170,8 +1179,20 @@
 {
 	struct qpnp_qg *chip = data;
 	u32 ocv_uv = 0;
+	int rc;
+	u8 status = 0;
 
 	qg_dbg(chip, QG_DEBUG_IRQ, "IRQ triggered\n");
+
+	rc = qg_read(chip, chip->qg_base + QG_INT_RT_STS_REG, &status, 1);
+	if (rc < 0)
+		pr_err("Failed to read RT status rc=%d\n", rc);
+
+	/* ignore VBAT empty if battery is missing */
+	if ((status & BATTERY_MISSING_INT_RT_STS_BIT) ||
+			chip->battery_missing)
+		return IRQ_HANDLED;
+
 	pr_warn("VBATT EMPTY SOC = 0\n");
 
 	chip->catch_up_soc = 0;
@@ -1232,7 +1253,6 @@
 static struct qg_irq_info qg_irqs[] = {
 	[QG_BATT_MISSING_IRQ] = {
 		.name		= "qg-batt-missing",
-		.handler	= qg_default_irq_handler,
 	},
 	[QG_VBATT_LOW_IRQ] = {
 		.name		= "qg-vbat-low",
@@ -1256,11 +1276,9 @@
 	},
 	[QG_FSM_STAT_CHG_IRQ] = {
 		.name		= "qg-fsm-state-chg",
-		.handler	= qg_default_irq_handler,
 	},
 	[QG_EVENT_IRQ] = {
 		.name		= "qg-event",
-		.handler	= qg_default_irq_handler,
 	},
 };
 
@@ -1691,6 +1709,17 @@
 			chip->cl->learned_cap_uah = pval->intval;
 		mutex_unlock(&chip->cl->lock);
 		break;
+	case POWER_SUPPLY_PROP_SOH:
+		chip->soh = pval->intval;
+		qg_dbg(chip, QG_DEBUG_STATUS, "SOH update: SOH=%d esr_actual=%d esr_nominal=%d\n",
+				chip->soh, chip->esr_actual, chip->esr_nominal);
+		break;
+	case POWER_SUPPLY_PROP_ESR_ACTUAL:
+		chip->esr_actual = pval->intval;
+		break;
+	case POWER_SUPPLY_PROP_ESR_NOMINAL:
+		chip->esr_nominal = pval->intval;
+		break;
 	default:
 		break;
 	}
@@ -1737,6 +1766,9 @@
 	case POWER_SUPPLY_PROP_RESISTANCE_NOW:
 		pval->intval = chip->esr_last;
 		break;
+	case POWER_SUPPLY_PROP_SOC_REPORTING_READY:
+		pval->intval = chip->soc_reporting_ready;
+		break;
 	case POWER_SUPPLY_PROP_RESISTANCE_CAPACITIVE:
 		pval->intval = chip->dt.rbat_conn_mohm;
 		break;
@@ -1785,6 +1817,17 @@
 	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
 		rc = ttf_get_time_to_empty(chip->ttf, &pval->intval);
 		break;
+	case POWER_SUPPLY_PROP_ESR_ACTUAL:
+		pval->intval = (chip->esr_actual == -EINVAL) ?  -EINVAL :
+					(chip->esr_actual * 1000);
+		break;
+	case POWER_SUPPLY_PROP_ESR_NOMINAL:
+		pval->intval = (chip->esr_nominal == -EINVAL) ?  -EINVAL :
+					(chip->esr_nominal * 1000);
+		break;
+	case POWER_SUPPLY_PROP_SOH:
+		pval->intval = chip->soh;
+		break;
 	default:
 		pr_debug("Unsupported property %d\n", psp);
 		break;
@@ -1798,6 +1841,9 @@
 {
 	switch (psp) {
 	case POWER_SUPPLY_PROP_CHARGE_FULL:
+	case POWER_SUPPLY_PROP_ESR_ACTUAL:
+	case POWER_SUPPLY_PROP_ESR_NOMINAL:
+	case POWER_SUPPLY_PROP_SOH:
 		return 1;
 	default:
 		break;
@@ -1815,6 +1861,7 @@
 	POWER_SUPPLY_PROP_RESISTANCE,
 	POWER_SUPPLY_PROP_RESISTANCE_ID,
 	POWER_SUPPLY_PROP_RESISTANCE_NOW,
+	POWER_SUPPLY_PROP_SOC_REPORTING_READY,
 	POWER_SUPPLY_PROP_RESISTANCE_CAPACITIVE,
 	POWER_SUPPLY_PROP_DEBUG_BATTERY,
 	POWER_SUPPLY_PROP_BATTERY_TYPE,
@@ -1828,6 +1875,9 @@
 	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
 	POWER_SUPPLY_PROP_TIME_TO_FULL_AVG,
 	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
+	POWER_SUPPLY_PROP_ESR_ACTUAL,
+	POWER_SUPPLY_PROP_ESR_NOMINAL,
+	POWER_SUPPLY_PROP_SOH,
 };
 
 static const struct power_supply_desc qg_psy_desc = {
@@ -1914,6 +1964,7 @@
 {
 	int rc;
 	bool parallel_enabled = is_parallel_enabled(chip);
+	bool update_smb = false;
 
 	if (parallel_enabled == chip->parallel_enabled)
 		return 0;
@@ -1924,7 +1975,14 @@
 
 	mutex_lock(&chip->data_lock);
 
-	rc = process_rt_fifo_data(chip, false, true);
+	/*
+	 * Parallel charger uses the same external sense, hence do not
+	 * enable SMB sensing if PMI632 is configured for external sense.
+	 */
+	if (!chip->dt.qg_ext_sense)
+		update_smb = true;
+
+	rc = process_rt_fifo_data(chip, false, update_smb);
 	if (rc < 0)
 		pr_err("Failed to process RT FIFO data, rc=%d\n", rc);
 
@@ -1949,6 +2007,110 @@
 	return 0;
 }
 
+static int qg_handle_battery_removal(struct qpnp_qg *chip)
+{
+	int rc, length = QG_SDAM_MAX_OFFSET - QG_SDAM_VALID_OFFSET;
+	u8 *data;
+
+	/* clear SDAM */
+	data = kcalloc(length, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	rc = qg_sdam_multibyte_write(QG_SDAM_VALID_OFFSET, data, length);
+	if (rc < 0)
+		pr_err("Failed to clear SDAM rc=%d\n", rc);
+
+	return rc;
+}
+
+#define MAX_QG_OK_RETRIES	20
+static int qg_handle_battery_insertion(struct qpnp_qg *chip)
+{
+	int rc, count = 0;
+	u32 ocv_uv = 0, ocv_raw = 0;
+	u8 reg = 0;
+
+	do {
+		rc = qg_read(chip, chip->qg_base + QG_STATUS1_REG, &reg, 1);
+		if (rc < 0) {
+			pr_err("Failed to read STATUS1_REG rc=%d\n", rc);
+			return rc;
+		}
+
+		if (reg & QG_OK_BIT)
+			break;
+
+		msleep(200);
+		count++;
+	} while (count < MAX_QG_OK_RETRIES);
+
+	if (count == MAX_QG_OK_RETRIES) {
+		qg_dbg(chip, QG_DEBUG_STATUS, "QG_OK not set!\n");
+		return 0;
+	}
+
+	/* read S7 PON OCV */
+	rc = qg_read_ocv(chip, &ocv_uv, &ocv_raw, S7_PON_OCV);
+	if (rc < 0) {
+		pr_err("Failed to read PON OCV rc=%d\n", rc);
+		return rc;
+	}
+
+	qg_dbg(chip, QG_DEBUG_STATUS,
+		"S7_OCV on battery insertion = %duV\n", ocv_uv);
+
+	chip->kdata.param[QG_GOOD_OCV_UV].data = ocv_uv;
+	chip->kdata.param[QG_GOOD_OCV_UV].valid = true;
+	/* clear all the userspace data */
+	chip->kdata.param[QG_CLEAR_LEARNT_DATA].data = 1;
+	chip->kdata.param[QG_CLEAR_LEARNT_DATA].valid = true;
+
+	vote(chip->awake_votable, GOOD_OCV_VOTER, true, 0);
+	/* signal the read thread */
+	chip->data_ready = true;
+	wake_up_interruptible(&chip->qg_wait_q);
+
+	return 0;
+}
+
+static int qg_battery_status_update(struct qpnp_qg *chip)
+{
+	int rc;
+	union power_supply_propval prop = {0, };
+
+	if (!is_batt_available(chip))
+		return 0;
+
+	mutex_lock(&chip->data_lock);
+
+	rc = power_supply_get_property(chip->batt_psy,
+			POWER_SUPPLY_PROP_PRESENT, &prop);
+	if (rc < 0) {
+		pr_err("Failed to get battery-present, rc=%d\n", rc);
+		goto done;
+	}
+
+	if (chip->battery_missing && prop.intval) {
+		pr_warn("Battery inserted!\n");
+		rc = qg_handle_battery_insertion(chip);
+		if (rc < 0)
+			pr_err("Failed in battery-insertion rc=%d\n", rc);
+	} else if (!chip->battery_missing && !prop.intval) {
+		pr_warn("Battery removed!\n");
+		rc = qg_handle_battery_removal(chip);
+		if (rc < 0)
+			pr_err("Failed in battery-removal rc=%d\n", rc);
+	}
+
+	chip->battery_missing = !prop.intval;
+
+done:
+	mutex_unlock(&chip->data_lock);
+	return rc;
+}
+
+
 static void qg_status_change_work(struct work_struct *work)
 {
 	struct qpnp_qg *chip = container_of(work,
@@ -1961,6 +2123,10 @@
 		goto out;
 	}
 
+	rc = qg_battery_status_update(chip);
+	if (rc < 0)
+		pr_err("Failed to process battery status update rc=%d\n", rc);
+
 	rc = power_supply_get_property(chip->batt_psy,
 			POWER_SUPPLY_PROP_CHARGE_TYPE, &prop);
 	if (rc < 0)
@@ -2380,12 +2546,21 @@
 	return 0;
 }
 
+
+static struct ocv_all ocv[] = {
+	[S7_PON_OCV] = { 0, 0, "S7_PON_OCV"},
+	[S3_GOOD_OCV] = { 0, 0, "S3_GOOD_OCV"},
+	[S3_LAST_OCV] = { 0, 0, "S3_LAST_OCV"},
+	[SDAM_PON_OCV] = { 0, 0, "SDAM_PON_OCV"},
+};
+
+#define S7_ERROR_MARGIN_UV		20000
 static int qg_determine_pon_soc(struct qpnp_qg *chip)
 {
-	int rc = 0, batt_temp = 0;
+	int rc = 0, batt_temp = 0, i;
 	bool use_pon_ocv = true;
 	unsigned long rtc_sec = 0;
-	u32 ocv_uv = 0, ocv_raw = 0, soc = 0, shutdown[SDAM_MAX] = {0};
+	u32 ocv_uv = 0, soc = 0, shutdown[SDAM_MAX] = {0};
 	char ocv_type[20] = "NONE";
 
 	if (!chip->profile_loaded) {
@@ -2434,33 +2609,47 @@
 			goto done;
 		}
 
-		/*
-		 * Read S3_LAST_OCV, if S3_LAST_OCV is invalid,
-		 * read the SDAM_PON_OCV
-		 * if SDAM is not-set, use S7_PON_OCV.
-		 */
-		strlcpy(ocv_type, "S3_LAST_SOC", 20);
-		rc = qg_read_ocv(chip, &ocv_uv, &ocv_raw, S3_LAST_OCV);
-		if (rc < 0)
-			goto done;
-
-		if (ocv_raw == FIFO_V_RESET_VAL) {
-			/* S3_LAST_OCV is invalid */
-			strlcpy(ocv_type, "SDAM_PON_SOC", 20);
-			rc = qg_read_ocv(chip, &ocv_uv, &ocv_raw, SDAM_PON_OCV);
+		/* read all OCVs */
+		for (i = S7_PON_OCV; i < PON_OCV_MAX; i++) {
+			rc = qg_read_ocv(chip, &ocv[i].ocv_uv,
+						&ocv[i].ocv_raw, i);
 			if (rc < 0)
-				goto done;
+				pr_err("Failed to read %s OCV rc=%d\n",
+						ocv[i].ocv_type, rc);
+			else
+				qg_dbg(chip, QG_DEBUG_PON, "%s OCV=%d\n",
+					ocv[i].ocv_type, ocv[i].ocv_uv);
+		}
 
-			if (!ocv_uv) {
-				/* SDAM_PON_OCV is not set */
+		if (ocv[S3_LAST_OCV].ocv_raw == FIFO_V_RESET_VAL) {
+			if (!ocv[SDAM_PON_OCV].ocv_uv) {
 				strlcpy(ocv_type, "S7_PON_SOC", 20);
-				rc = qg_read_ocv(chip, &ocv_uv, &ocv_raw,
-							S7_PON_OCV);
-				if (rc < 0)
-					goto done;
+				ocv_uv = ocv[S7_PON_OCV].ocv_uv;
+			} else if (ocv[SDAM_PON_OCV].ocv_uv <=
+					ocv[S7_PON_OCV].ocv_uv) {
+				strlcpy(ocv_type, "S7_PON_SOC", 20);
+				ocv_uv = ocv[S7_PON_OCV].ocv_uv;
+			} else if (!shutdown[SDAM_VALID] &&
+				((ocv[SDAM_PON_OCV].ocv_uv -
+					ocv[S7_PON_OCV].ocv_uv) >
+					S7_ERROR_MARGIN_UV)) {
+				strlcpy(ocv_type, "S7_PON_SOC", 20);
+				ocv_uv = ocv[S7_PON_OCV].ocv_uv;
+			} else {
+				strlcpy(ocv_type, "SDAM_PON_SOC", 20);
+				ocv_uv = ocv[SDAM_PON_OCV].ocv_uv;
+			}
+		} else {
+			if (ocv[S3_LAST_OCV].ocv_uv >= ocv[S7_PON_OCV].ocv_uv) {
+				strlcpy(ocv_type, "S3_LAST_SOC", 20);
+				ocv_uv = ocv[S3_LAST_OCV].ocv_uv;
+			} else {
+				strlcpy(ocv_type, "S7_PON_SOC", 20);
+				ocv_uv = ocv[S7_PON_OCV].ocv_uv;
 			}
 		}
 
+		ocv_uv = CAP(QG_MIN_OCV_UV, QG_MAX_OCV_UV, ocv_uv);
 		rc = lookup_soc_ocv(&soc, ocv_uv, batt_temp, false);
 		if (rc < 0) {
 			pr_err("Failed to lookup SOC@PON rc=%d\n", rc);
@@ -2493,6 +2682,9 @@
 	pr_info("using %s @ PON ocv_uv=%duV soc=%d\n",
 			ocv_type, ocv_uv, chip->msoc);
 
+	/* SOC reporting is now ready */
+	chip->soc_reporting_ready = 1;
+
 	return 0;
 }
 
@@ -2515,6 +2707,7 @@
 	return 0;
 }
 
+#define ADC_CONV_DLY_512MS		0xA
 static int qg_hw_init(struct qpnp_qg *chip)
 {
 	int rc, temp;
@@ -2695,6 +2888,22 @@
 		return rc;
 	}
 
+	/* disable S5 */
+	rc = qg_masked_write(chip, chip->qg_base +
+				QG_S5_OCV_VALIDATE_MEAS_CTL1_REG,
+				ALLOW_S5_BIT, 0);
+	if (rc < 0)
+		pr_err("Failed to disable S5 rc=%d\n", rc);
+
+	/* change PON OCV time to 512ms */
+	rc = qg_masked_write(chip, chip->qg_base +
+				QG_S7_PON_OCV_MEAS_CTL1_REG,
+				ADC_CONV_DLY_MASK,
+				ADC_CONV_DLY_512MS);
+	if (rc < 0)
+		pr_err("Failed to reconfigure S7-delay rc=%d\n", rc);
+
+
 	return 0;
 }
 
@@ -3117,6 +3326,8 @@
 	else
 		chip->dt.esr_disable_soc = temp * 100;
 
+	chip->dt.qg_ext_sense = of_property_read_bool(node, "qcom,qg-ext-sns");
+
 	/* Capacity learning params*/
 	if (!chip->dt.cl_disable) {
 		chip->dt.cl_feedback_on = of_property_read_bool(node,
@@ -3176,9 +3387,9 @@
 			chip->cl->dt.min_start_soc, chip->cl->dt.max_start_soc,
 			chip->cl->dt.min_temp, chip->cl->dt.max_temp);
 	}
-	qg_dbg(chip, QG_DEBUG_PON, "DT: vbatt_empty_mv=%dmV vbatt_low_mv=%dmV delta_soc=%d\n",
+	qg_dbg(chip, QG_DEBUG_PON, "DT: vbatt_empty_mv=%dmV vbatt_low_mv=%dmV delta_soc=%d ext-sns=%d\n",
 			chip->dt.vbatt_empty_mv, chip->dt.vbatt_low_mv,
-			chip->dt.delta_soc);
+			chip->dt.delta_soc, chip->dt.qg_ext_sense);
 
 	return 0;
 }
@@ -3407,6 +3618,9 @@
 	chip->cc_soc = INT_MIN;
 	chip->full_soc = QG_SOC_FULL;
 	chip->chg_iterm_ma = INT_MIN;
+	chip->soh = -EINVAL;
+	chip->esr_actual = -EINVAL;
+	chip->esr_nominal = -EINVAL;
 
 	rc = qg_alg_init(chip);
 	if (rc < 0) {
diff --git a/drivers/video/fbdev/msm/Kconfig b/drivers/video/fbdev/msm/Kconfig
index e8f902b..a5e0662 100644
--- a/drivers/video/fbdev/msm/Kconfig
+++ b/drivers/video/fbdev/msm/Kconfig
@@ -82,6 +82,16 @@
 	MHL (Mobile High-Definition Link) technology
 	uses USB connector to output HDMI content
 
+config FB_MSM_MDSS_SPI_PANEL
+        depends on FB_MSM_MDSS
+        bool "Support SPI panel feature"
+        default n
+        ---help---
+        The MDSS SPI Panel provides support for transmittimg SPI signals of
+        MDSS frame buffer data to connected panel. Limited by SPI rate, the
+        current max fps only reach to 27 fps, and limited by MDP hardware
+        architecture only supply on MDP3
+
 config FB_MSM_MDSS_MHL3
 	depends on FB_MSM_MDSS_HDMI_PANEL
 	bool "MHL3 SII8620 Support"
diff --git a/drivers/video/fbdev/msm/Makefile b/drivers/video/fbdev/msm/Makefile
index 81d4953..26a940c 100644
--- a/drivers/video/fbdev/msm/Makefile
+++ b/drivers/video/fbdev/msm/Makefile
@@ -46,6 +46,11 @@
 obj-$(CONFIG_FB_MSM_MDSS) += mdss-dsi.o
 obj-$(CONFIG_FB_MSM_MDSS) += mdss_panel.o
 
+ifeq ($(CONFIG_SPI_QUP), y)
+obj-$(CONFIG_FB_MSM_MDSS_SPI_PANEL) += mdss_spi_client.o
+obj-$(CONFIG_FB_MSM_MDSS_SPI_PANEL) += mdss_spi_panel.o
+endif
+
 ifneq ($(CONFIG_FB_MSM_MDSS_MDP3), y)
 obj-$(CONFIG_FB_MSM_MDSS) += mdss_hdmi_util.o
 obj-$(CONFIG_FB_MSM_MDSS) += mdss_hdmi_edid.o
diff --git a/drivers/video/fbdev/msm/dsi_status_v2.c b/drivers/video/fbdev/msm/dsi_status_v2.c
index 35b0984..87720cf 100644
--- a/drivers/video/fbdev/msm/dsi_status_v2.c
+++ b/drivers/video/fbdev/msm/dsi_status_v2.c
@@ -18,6 +18,7 @@
 
 #include "mdss_dsi.h"
 #include "mdp3_ctrl.h"
+#include "mdss_spi_panel.h"
 
 /*
  * mdp3_check_te_status() - Check the status of panel for TE based ESD.
@@ -165,3 +166,79 @@
 	mdss_fb_report_panel_dead(pdsi_status->mfd);
 }
 
+#if defined(CONFIG_FB_MSM_MDSS_SPI_PANEL)
+void mdp3_check_spi_panel_status(struct work_struct *work, uint32_t interval)
+{
+	struct dsi_status_data *pdsi_status = NULL;
+	struct mdss_panel_data *pdata = NULL;
+	struct spi_panel_data *ctrl_pdata = NULL;
+	struct mdp3_session_data *mdp3_session = NULL;
+	int ret = 0;
+
+	pdsi_status = container_of(to_delayed_work(work),
+			struct dsi_status_data, check_status);
+
+	if (!pdsi_status || !(pdsi_status->mfd)) {
+		pr_err("%s: mfd not available\n", __func__);
+		return;
+	}
+
+	pdata = dev_get_platdata(&pdsi_status->mfd->pdev->dev);
+	if (!pdata) {
+		pr_err("%s: panel data not available\n", __func__);
+		return;
+	}
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data, panel_data);
+	if (!ctrl_pdata || !ctrl_pdata->check_status) {
+		pr_err("%s: Dsi ctrl or status_check callback not available\n",
+				__func__);
+		return;
+	}
+
+	mdp3_session = pdsi_status->mfd->mdp.private1;
+	if (!mdp3_session) {
+		pr_err("%s: Display is off\n", __func__);
+		return;
+	}
+
+	if (mdp3_session->in_splash_screen) {
+		schedule_delayed_work(&pdsi_status->check_status,
+			msecs_to_jiffies(interval));
+		pr_debug("%s: cont splash is on\n", __func__);
+		return;
+	}
+
+	mutex_lock(&mdp3_session->lock);
+	if (!mdp3_session->status) {
+		pr_debug("%s: display off already\n", __func__);
+		mutex_unlock(&mdp3_session->lock);
+		return;
+	}
+
+	if (!ret)
+		ret = ctrl_pdata->check_status(ctrl_pdata);
+	else
+		pr_err("%s:wait_for_dma_done error\n", __func__);
+	mutex_unlock(&mdp3_session->lock);
+
+	if (mdss_fb_is_power_on_interactive(pdsi_status->mfd)) {
+		if (ret > 0) {
+			schedule_delayed_work(&pdsi_status->check_status,
+				msecs_to_jiffies(interval));
+		} else {
+			char *envp[2] = {"PANEL_ALIVE=0", NULL};
+
+			pdata->panel_info.panel_dead = true;
+			ret = kobject_uevent_env(
+			&pdsi_status->mfd->fbi->dev->kobj, KOBJ_CHANGE, envp);
+			pr_err("%s:panel has gone bad, sending uevent - %s\n",
+			 __func__, envp[0]);
+		}
+	}
+}
+#else
+void mdp3_check_spi_panel_status(struct work_struct *work, uint32_t interval)
+{
+}
+#endif
diff --git a/drivers/video/fbdev/msm/mdp3.c b/drivers/video/fbdev/msm/mdp3.c
index c9db88e..54e9919 100644
--- a/drivers/video/fbdev/msm/mdp3.c
+++ b/drivers/video/fbdev/msm/mdp3.c
@@ -56,6 +56,7 @@
 #include "mdss_debug.h"
 #include "mdss_smmu.h"
 #include "mdss.h"
+#include "mdss_spi_panel.h"
 
 #ifndef EXPORT_COMPAT
 #define EXPORT_COMPAT(x)
@@ -109,6 +110,7 @@
 
 static struct mdss_panel_intf pan_types[] = {
 	{"dsi", MDSS_PANEL_INTF_DSI},
+	{"spi", MDSS_PANEL_INTF_SPI},
 };
 static char mdss_mdp3_panel[MDSS_MAX_PANEL_LEN];
 
@@ -127,6 +129,13 @@
 	},
 };
 
+#ifndef CONFIG_FB_MSM_MDSS_SPI_PANEL
+void mdss_spi_panel_bl_ctrl_update(struct mdss_panel_data *pdata, u32 bl_level)
+{
+
+}
+#endif
+
 static irqreturn_t mdp3_irq_handler(int irq, void *ptr)
 {
 	int i = 0;
@@ -1350,7 +1359,11 @@
 						client == MDP3_CLIENT_DMA_P)
 				mdss_smmu_unmap_dma_buf(data->tab_clone,
 					dom, dir, data->srcp_dma_buf);
-			else
+			else if (client == MDP3_CLIENT_SPI) {
+				ion_unmap_kernel(iclient, data->srcp_ihdl);
+				ion_free(iclient, data->srcp_ihdl);
+				data->srcp_ihdl = NULL;
+			} else
 				mdss_smmu_unmap_dma_buf(data->srcp_table,
 					dom, dir, data->srcp_dma_buf);
 			data->mapped = false;
@@ -1416,7 +1429,13 @@
 				data->srcp_dma_buf = NULL;
 				return ret;
 			}
-
+			data->srcp_ihdl = ion_import_dma_buf(iclient,
+				data->srcp_dma_buf);
+			if (IS_ERR_OR_NULL(data->srcp_ihdl)) {
+				pr_err("error on ion_import_fd\n");
+				data->srcp_ihdl = NULL;
+				return -EIO;
+			}
 			data->srcp_attachment =
 			mdss_smmu_dma_buf_attach(data->srcp_dma_buf,
 					&mdp3_res->pdev->dev, dom);
@@ -1449,6 +1468,25 @@
 					data->tab_clone, dom,
 					&data->addr, &data->len,
 					DMA_BIDIRECTIONAL);
+			} else if (client == MDP3_CLIENT_SPI) {
+				void *vaddr;
+
+					if (ion_handle_get_size(iclient,
+						data->srcp_ihdl,
+						(size_t *)&data->len) < 0) {
+						pr_err("get size failed\n");
+						return -EINVAL;
+					}
+					 vaddr = ion_map_kernel(iclient,
+						data->srcp_ihdl);
+					if (IS_ERR_OR_NULL(vaddr)) {
+						pr_err("Mapping failed\n");
+						mdp3_put_img(data, client);
+						return -EINVAL;
+					}
+					data->addr = (dma_addr_t) vaddr;
+					data->len -= img->offset;
+					return 0;
 			} else {
 				ret = mdss_smmu_map_dma_buf(data->srcp_dma_buf,
 					data->srcp_table, dom, &data->addr,
@@ -1741,6 +1779,8 @@
 	if (pdata->panel_info.type == MIPI_VIDEO_PANEL) {
 		status = MDP3_REG_READ(MDP3_REG_DSI_VIDEO_EN);
 		rc = status & 0x1;
+	} else if (pdata->panel_info.type == SPI_PANEL) {
+		rc = is_spi_panel_continuous_splash_on(pdata);
 	} else {
 		status = MDP3_REG_READ(MDP3_REG_DMA_P_CONFIG);
 		status &= 0x180000;
@@ -1777,7 +1817,11 @@
 	mdp3_clk_set_rate(MDP3_CLK_MDP_SRC, mdp_clk_rate,
 			MDP3_CLIENT_DMA_P);
 
-	rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, ab, ib);
+	/*DMA not used on SPI interface, remove DMA bus voting*/
+	if (panel_info->type == SPI_PANEL)
+		rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, 0, 0);
+	else
+		rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, ab, ib);
 	bus_handle->restore_ab[MDP3_CLIENT_DMA_P] = ab;
 	bus_handle->restore_ib[MDP3_CLIENT_DMA_P] = ib;
 
@@ -1795,6 +1839,8 @@
 
 	if (panel_info->type == MIPI_VIDEO_PANEL)
 		mdp3_res->intf[MDP3_DMA_OUTPUT_SEL_DSI_VIDEO].active = 1;
+	else if (panel_info->type == SPI_PANEL)
+		mdp3_res->intf[MDP3_DMA_OUTPUT_SEL_SPI_CMD].active = 1;
 	else
 		mdp3_res->intf[MDP3_DMA_OUTPUT_SEL_DSI_CMD].active = 1;
 
@@ -2485,6 +2531,9 @@
 	mdp3_res->mdss_util->mdp_probe_done = true;
 	pr_debug("%s: END\n", __func__);
 
+	if (mdp3_res->pan_cfg.pan_intf == MDSS_PANEL_INTF_SPI)
+		mdp3_interface.check_dsi_status = mdp3_check_spi_panel_status;
+
 probe_done:
 	if (IS_ERR_VALUE(rc))
 		kfree(mdp3_res->mdp3_hw.irq_info);
diff --git a/drivers/video/fbdev/msm/mdp3.h b/drivers/video/fbdev/msm/mdp3.h
index 7132dee..6b56052 100644
--- a/drivers/video/fbdev/msm/mdp3.h
+++ b/drivers/video/fbdev/msm/mdp3.h
@@ -84,6 +84,7 @@
 	MDP3_CLIENT_DSI = 1,
 	MDP3_CLIENT_PPP,
 	MDP3_CLIENT_IOMMU,
+	MDP3_CLIENT_SPI,
 	MDP3_CLIENT_MAX,
 };
 
@@ -208,6 +209,8 @@
 	bool solid_fill_vote_en;
 	struct list_head reg_bus_clist;
 	struct mutex reg_bus_lock;
+	int bklt_level;
+	int bklt_update;
 	bool twm_en;
 	u32 max_bw;
 
@@ -267,6 +270,7 @@
 void mdp3_enable_regulator(int enable);
 void mdp3_check_dsi_ctrl_status(struct work_struct *work,
 				uint32_t interval);
+void mdp3_check_spi_panel_status(struct work_struct *work, uint32_t interval);
 int mdp3_dynamic_clock_gating_ctrl(int enable);
 int mdp3_footswitch_ctrl(int enable);
 int mdp3_qos_remapper_setup(struct mdss_panel_data *panel);
@@ -279,6 +283,8 @@
 void mdp3_clear_irq(u32 interrupt_mask);
 int mdp3_enable_panic_ctrl(void);
 
+void mdss_spi_panel_bl_ctrl_update(struct mdss_panel_data *pdata, u32 bl_level);
+
 int mdp3_layer_pre_commit(struct msm_fb_data_type *mfd,
 	struct file *file, struct mdp_layer_commit_v1 *commit);
 int mdp3_layer_atomic_validate(struct msm_fb_data_type *mfd,
diff --git a/drivers/video/fbdev/msm/mdp3_ctrl.c b/drivers/video/fbdev/msm/mdp3_ctrl.c
index 50b232a..c976c0e 100644
--- a/drivers/video/fbdev/msm/mdp3_ctrl.c
+++ b/drivers/video/fbdev/msm/mdp3_ctrl.c
@@ -23,11 +23,13 @@
 #include <linux/dma-buf.h>
 #include <linux/pm_runtime.h>
 #include <linux/iommu.h>
+#include <linux/msm_ion.h>
 
 #include "mdp3_ctrl.h"
 #include "mdp3.h"
 #include "mdp3_ppp.h"
 #include "mdss_smmu.h"
+#include "mdss_spi_panel.h"
 #include "mdss_sync.h"
 
 #define VSYNC_EXPIRE_TICK	4
@@ -72,7 +74,7 @@
 	bufq->pop_idx = 0;
 }
 
-void mdp3_bufq_deinit(struct mdp3_buffer_queue *bufq)
+void mdp3_bufq_deinit(struct mdp3_buffer_queue *bufq, int client)
 {
 	int count = bufq->count;
 
@@ -83,7 +85,7 @@
 		struct mdp3_img_data *data = &bufq->img_data[bufq->pop_idx];
 
 		bufq->pop_idx = (bufq->pop_idx + 1) % MDP3_MAX_BUF_QUEUE;
-		mdp3_put_img(data, MDP3_CLIENT_DMA_P);
+		mdp3_put_img(data, client);
 	}
 	bufq->count = 0;
 	bufq->push_idx = 0;
@@ -122,6 +124,18 @@
 	return bufq->count;
 }
 
+int mdp3_get_ion_client(struct msm_fb_data_type *mfd)
+{
+	int intf_type;
+
+	intf_type = mdp3_ctrl_get_intf_type(mfd);
+
+	if (intf_type == MDP3_DMA_OUTPUT_SEL_SPI_CMD)
+		return MDP3_CLIENT_SPI;
+	else
+		return MDP3_CLIENT_DMA_P;
+}
+
 void mdp3_ctrl_notifier_register(struct mdp3_session_data *ses,
 	struct notifier_block *notifier)
 {
@@ -308,8 +322,11 @@
 	struct mdp3_notification vsync_client;
 	struct mdp3_notification *arg = NULL;
 	bool mod_vsync_timer = false;
+	int intf_type;
 
 	pr_debug("mdp3_ctrl_vsync_enable =%d\n", enable);
+
+	intf_type = mdp3_ctrl_get_intf_type(mfd);
 	mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1;
 	if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma ||
 		!mdp3_session->intf)
@@ -347,18 +364,25 @@
 		}
 	}
 
-	mdp3_clk_enable(1, 0);
-	mdp3_session->dma->vsync_enable(mdp3_session->dma, arg);
-	mdp3_clk_enable(0, 0);
+	if (intf_type == MDP3_DMA_OUTPUT_SEL_SPI_CMD) {
+		mdp3_spi_vsync_enable(mdp3_session->panel, arg);
+	} else {
+		mdp3_clk_enable(1, 0);
+		mdp3_session->dma->vsync_enable(mdp3_session->dma, arg);
+		mdp3_clk_enable(0, 0);
+	}
 
 	/*
 	 * Need to fake vsync whenever dsi interface is not
 	 * active or when dsi clocks are currently off
 	 */
-	if (mod_vsync_timer) {
+	if (mod_vsync_timer && (intf_type != MDP3_DMA_OUTPUT_SEL_SPI_CMD)) {
 		mod_timer(&mdp3_session->vsync_timer,
 			jiffies + msecs_to_jiffies(mdp3_session->vsync_period));
-	} else if (!enable) {
+	} else if (enable && !mdp3_session->clk_on) {
+		mdp3_ctrl_reset_countdown(mdp3_session, mfd);
+		mdp3_ctrl_clk_enable(mfd, 1);
+	} else if (!enable && (intf_type != MDP3_DMA_OUTPUT_SEL_SPI_CMD)) {
 		del_timer(&mdp3_session->vsync_timer);
 	}
 
@@ -597,14 +621,32 @@
 static int mdp3_ctrl_res_req_bus(struct msm_fb_data_type *mfd, int status)
 {
 	int rc = 0;
+	u32 vtotal = 0;
+	int frame_rate = DEFAULT_FRAME_RATE;
 
 	if (status) {
+		struct mdss_panel_info *panel_info = mfd->panel_info;
 		u64 ab = 0;
 		u64 ib = 0;
 
+		frame_rate = mdss_panel_get_framerate(mfd->panel_info,
+			FPS_RESOLUTION_HZ);
 		mdp3_calc_dma_res(mfd->panel_info, NULL, &ab, &ib,
 			ppp_bpp(mfd->fb_imgType));
-		rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, ab, ib);
+		vtotal = panel_info->yres + panel_info->lcdc.v_back_porch +
+			panel_info->lcdc.v_front_porch +
+			panel_info->lcdc.v_pulse_width;
+		ab = panel_info->xres * vtotal * ppp_bpp(mfd->fb_imgType);
+		ab *= frame_rate;
+		ib = ab;
+
+		/*DMA not used on SPI interface, remove DMA bus voting*/
+		if (mdp3_ctrl_get_intf_type(mfd) ==
+			 MDP3_DMA_OUTPUT_SEL_SPI_CMD)
+			rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, 0, 0);
+		else
+			rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P,
+				ab, ib);
 	} else {
 		rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, 0, 0);
 	}
@@ -653,6 +695,9 @@
 	case LCDC_PANEL:
 		type = MDP3_DMA_OUTPUT_SEL_LCDC;
 		break;
+	case SPI_PANEL:
+		type = MDP3_DMA_OUTPUT_SEL_SPI_CMD;
+		break;
 	default:
 		type = MDP3_DMA_OUTPUT_SEL_MAX;
 	}
@@ -717,7 +762,8 @@
 
 	cfg.type = mdp3_ctrl_get_intf_type(mfd);
 	if (cfg.type == MDP3_DMA_OUTPUT_SEL_DSI_VIDEO ||
-		cfg.type == MDP3_DMA_OUTPUT_SEL_LCDC) {
+		cfg.type == MDP3_DMA_OUTPUT_SEL_LCDC ||
+		cfg.type == MDP3_DMA_OUTPUT_SEL_SPI_CMD) {
 		video->hsync_period = hsync_period;
 		video->hsync_pulse_width = h_pulse_width;
 		video->vsync_period = vsync_period;
@@ -765,7 +811,7 @@
 	struct fb_var_screeninfo *var;
 	struct mdp3_dma_output_config outputConfig;
 	struct mdp3_dma_source sourceConfig;
-	int frame_rate = mfd->panel_info->mipi.frame_rate;
+	int frame_rate = DEFAULT_FRAME_RATE;
 	int vbp, vfp, vspw;
 	int vtotal, vporch;
 	struct mdp3_notification dma_done_callback;
@@ -774,6 +820,7 @@
 
 	mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1;
 
+	frame_rate = mdss_panel_get_framerate(panel_info, FPS_RESOLUTION_HZ);
 	vbp = panel_info->lcdc.v_back_porch;
 	vfp = panel_info->lcdc.v_front_porch;
 	vspw = panel_info->lcdc.v_pulse_width;
@@ -814,7 +861,7 @@
 		sourceConfig.stride = fix->line_length;
 	}
 
-	te.frame_rate = panel_info->mipi.frame_rate;
+	te.frame_rate = frame_rate;
 	te.hw_vsync_mode = panel_info->mipi.hw_vsync_mode;
 	te.tear_check_en = panel_info->te.tear_check_en;
 	te.sync_cfg_height = panel_info->te.sync_cfg_height;
@@ -1003,6 +1050,7 @@
 static int mdp3_ctrl_off(struct msm_fb_data_type *mfd)
 {
 	int rc = 0;
+	int client = 0;
 	bool intf_stopped = true;
 	struct mdp3_session_data *mdp3_session;
 	struct mdss_panel_data *panel;
@@ -1156,10 +1204,11 @@
 				pr_err("%s: pm_runtime_put failed (rc %d)\n",
 					__func__, rc);
 		}
-		mdp3_bufq_deinit(&mdp3_session->bufq_out);
+		client = mdp3_get_ion_client(mfd);
+		mdp3_bufq_deinit(&mdp3_session->bufq_out, client);
 		if (mdp3_session->overlay.id != MSMFB_NEW_REQUEST) {
 			mdp3_session->overlay.id = MSMFB_NEW_REQUEST;
-			mdp3_bufq_deinit(&mdp3_session->bufq_in);
+			mdp3_bufq_deinit(&mdp3_session->bufq_in, client);
 		}
 	}
 
@@ -1189,6 +1238,10 @@
 		mdp3_ctrl_clk_enable(mdp3_session->mfd, 0);
 	}
 off_error:
+	if (mdp3_session->overlay.id != MSMFB_NEW_REQUEST) {
+		mdp3_session->overlay.id = MSMFB_NEW_REQUEST;
+		mdp3_bufq_deinit(&mdp3_session->bufq_in, client);
+	}
 	MDSS_XLOG(XLOG_FUNC_EXIT, __LINE__);
 	mutex_unlock(&mdp3_session->lock);
 	/* Release the last reference to the runtime device */
@@ -1336,14 +1389,16 @@
 	struct fb_info *fbi = mfd->fbi;
 	struct fb_fix_screeninfo *fix;
 	int format;
+	int client;
 
 	fix = &fbi->fix;
 	format = mdp3_ctrl_get_source_format(mfd->fb_imgType);
 	mutex_lock(&mdp3_session->lock);
 
+	client = mdp3_get_ion_client(mfd);
 	if (mdp3_session->overlay.id == ndx && ndx == 1) {
 		mdp3_session->overlay.id = MSMFB_NEW_REQUEST;
-		mdp3_bufq_deinit(&mdp3_session->bufq_in);
+		mdp3_bufq_deinit(&mdp3_session->bufq_in, client);
 	} else {
 		rc = -EINVAL;
 	}
@@ -1362,18 +1417,20 @@
 	struct msmfb_data *img = &req->data;
 	struct mdp3_img_data data;
 	struct mdp3_dma *dma = mdp3_session->dma;
+	int client;
 
+	client = mdp3_get_ion_client(mfd);
 	memset(&data, 0, sizeof(struct mdp3_img_data));
-	if (mfd->panel.type == MIPI_CMD_PANEL)
+	if (mfd->panel.type == MIPI_CMD_PANEL || client == MDP3_CLIENT_SPI)
 		is_panel_type_cmd = true;
 	if (is_panel_type_cmd) {
-		rc = mdp3_iommu_enable(MDP3_CLIENT_DMA_P);
+		rc = mdp3_iommu_enable(client);
 		if (rc) {
 			pr_err("fail to enable iommu\n");
 			return rc;
 		}
 	}
-	rc = mdp3_get_img(img, &data, MDP3_CLIENT_DMA_P);
+	rc = mdp3_get_img(img, &data, client);
 	if (rc) {
 		pr_err("fail to get overlay buffer\n");
 		goto err;
@@ -1383,14 +1440,14 @@
 		pr_err("buf size(0x%lx) is smaller than dma config(0x%x)\n",
 			data.len, (dma->source_config.stride *
 			dma->source_config.height));
-		mdp3_put_img(&data, MDP3_CLIENT_DMA_P);
+		mdp3_put_img(&data, client);
 		rc = -EINVAL;
 		goto err;
 	}
 	rc = mdp3_bufq_push(&mdp3_session->bufq_in, &data);
 	if (rc) {
 		pr_err("fail to queue the overlay buffer, buffer drop\n");
-		mdp3_put_img(&data, MDP3_CLIENT_DMA_P);
+		mdp3_put_img(&data, client);
 		goto err;
 	}
 	rc = 0;
@@ -1449,8 +1506,11 @@
 	struct mdp3_img_data *data;
 	struct mdss_panel_info *panel_info;
 	int rc = 0;
+	int client;
 	static bool splash_done;
 	struct mdss_panel_data *panel;
+	int frame_rate = DEFAULT_FRAME_RATE;
+	int stride;
 
 	if (!mfd || !mfd->mdp.private1)
 		return -EINVAL;
@@ -1460,6 +1520,9 @@
 	if (!mdp3_session || !mdp3_session->dma)
 		return -EINVAL;
 
+	frame_rate = mdss_panel_get_framerate(panel_info, FPS_RESOLUTION_HZ);
+	client = mdp3_get_ion_client(mfd);
+
 	if (mdp3_bufq_count(&mdp3_session->bufq_in) == 0) {
 		pr_debug("no buffer in queue yet\n");
 		return -EPERM;
@@ -1510,7 +1573,17 @@
 	if (data) {
 		mdp3_ctrl_reset_countdown(mdp3_session, mfd);
 		mdp3_ctrl_clk_enable(mfd, 1);
-		if (mdp3_session->dma->update_src_cfg &&
+		stride = mdp3_session->dma->source_config.stride;
+		if (mdp3_ctrl_get_intf_type(mfd) ==
+			MDP3_DMA_OUTPUT_SEL_SPI_CMD){
+			mdp3_session->intf->active = false;
+			msm_ion_do_cache_op(mdp3_res->ion_client,
+				data->srcp_ihdl, (void *)(int)data->addr,
+					data->len, ION_IOC_INV_CACHES);
+			rc = mdss_spi_panel_kickoff(mdp3_session->panel,
+				(void *)(int)data->addr, (int)data->len,
+					stride);
+		} else if (mdp3_session->dma->update_src_cfg &&
 				panel_info->partial_update_enabled) {
 			panel->panel_info.roi.x = mdp3_session->dma->roi.x;
 			panel->panel_info.roi.y = mdp3_session->dma->roi.y;
@@ -1530,7 +1603,9 @@
 				MDP_NOTIFY_FRAME_TIMEOUT);
 		} else {
 			if (mdp3_ctrl_get_intf_type(mfd) ==
-						MDP3_DMA_OUTPUT_SEL_DSI_VIDEO) {
+				MDP3_DMA_OUTPUT_SEL_DSI_VIDEO ||
+				mdp3_ctrl_get_intf_type(mfd) ==
+					MDP3_DMA_OUTPUT_SEL_SPI_CMD) {
 				mdp3_ctrl_notify(mdp3_session,
 					MDP_NOTIFY_FRAME_DONE);
 			}
@@ -1545,16 +1620,16 @@
 		mdp3_release_splash_memory(mfd);
 		data = mdp3_bufq_pop(&mdp3_session->bufq_out);
 		if (data)
-			mdp3_put_img(data, MDP3_CLIENT_DMA_P);
+			mdp3_put_img(data, client);
 	}
 
 	if (mdp3_session->first_commit) {
 		/*wait to ensure frame is sent to panel*/
 		if (panel_info->mipi.post_init_delay)
-			msleep(((1000 / panel_info->mipi.frame_rate) + 1) *
+			msleep(((1000 / frame_rate) + 1) *
 					panel_info->mipi.post_init_delay);
 		else
-			msleep(1000 / panel_info->mipi.frame_rate);
+			msleep((1000 / frame_rate) + 1);
 		mdp3_session->first_commit = false;
 		if (panel)
 			rc |= panel->event_handler(panel,
@@ -1569,6 +1644,12 @@
 		mdp3_session->esd_recovery = false;
 	}
 
+	/*Update backlight only if its changed*/
+	if (mdp3_res->bklt_level && mdp3_res->bklt_update) {
+		mdss_spi_panel_bl_ctrl_update(panel, mdp3_res->bklt_level);
+		mdp3_res->bklt_update = false;
+	}
+
 	/* start vsync tick countdown for cmd mode if vsync isn't enabled */
 	if (mfd->panel.type == MIPI_CMD_PANEL && !mdp3_session->vsync_enabled)
 		mdp3_ctrl_vsync_enable(mdp3_session->mfd, 0);
@@ -1695,17 +1776,18 @@
 	}
 
 	panel = mdp3_session->panel;
-	if (mdp3_session->first_commit) {
-		/*wait to ensure frame is sent to panel*/
-		if (panel_info->mipi.post_init_delay)
-			msleep(((1000 / panel_info->mipi.frame_rate) + 1) *
-					panel_info->mipi.post_init_delay);
-		else
-			msleep(1000 / panel_info->mipi.frame_rate);
-		mdp3_session->first_commit = false;
-		if (panel)
-			panel->event_handler(panel, MDSS_EVENT_POST_PANEL_ON,
-					NULL);
+	if (mdp3_ctrl_get_intf_type(mfd) != MDP3_DMA_OUTPUT_SEL_SPI_CMD) {
+		if (mdp3_session->first_commit) {
+			if (panel_info->mipi.init_delay)
+				msleep(((1000 / panel_info->mipi.frame_rate)
+				+ 1) * panel_info->mipi.post_init_delay);
+			else
+				msleep(1000 / panel_info->mipi.frame_rate);
+					mdp3_session->first_commit = false;
+			if (panel)
+				panel->event_handler(panel,
+					MDSS_EVENT_POST_PANEL_ON, NULL);
+		}
 	}
 
 	mdp3_session->vsync_before_commit = 0;
@@ -1716,6 +1798,11 @@
 		mdp3_session->esd_recovery = false;
 	}
 
+	/*Update backlight only if its changed*/
+	if (mdp3_res->bklt_level && mdp3_res->bklt_update) {
+		mdss_spi_panel_bl_ctrl_update(panel, mdp3_res->bklt_level);
+		mdp3_res->bklt_update = false;
+	}
 
 pan_error:
 	mutex_unlock(&mdp3_session->lock);
@@ -1756,7 +1843,8 @@
 	switch (metadata->op) {
 	case metadata_op_frame_rate:
 		metadata->data.panel_frame_rate =
-			mfd->panel_info->mipi.frame_rate;
+			 mdss_panel_get_framerate(mfd->panel_info,
+				FPS_RESOLUTION_HZ);
 		break;
 	case metadata_op_get_caps:
 		metadata->data.caps.mdp_rev = 305;
@@ -2893,6 +2981,7 @@
 	struct msm_mdp_interface *mdp3_interface = &mfd->mdp;
 	struct mdp3_session_data *mdp3_session = NULL;
 	u32 intf_type = MDP3_DMA_OUTPUT_SEL_DSI_VIDEO;
+	int frame_rate = DEFAULT_FRAME_RATE;
 	int rc;
 	int splash_mismatch = 0;
 	struct sched_param sched = { .sched_priority = 16 };
@@ -2902,6 +2991,8 @@
 	if (rc)
 		splash_mismatch = 1;
 
+	frame_rate = mdss_panel_get_framerate(mfd->panel_info,
+		FPS_RESOLUTION_HZ);
 	mdp3_interface->on_fnc = mdp3_ctrl_on;
 	mdp3_interface->off_fnc = mdp3_ctrl_off;
 	mdp3_interface->do_histogram = NULL;
@@ -2980,10 +3071,11 @@
 	init_timer(&mdp3_session->vsync_timer);
 	mdp3_session->vsync_timer.function = mdp3_vsync_timer_func;
 	mdp3_session->vsync_timer.data = (u32)mdp3_session;
-	mdp3_session->vsync_period = 1000 / mfd->panel_info->mipi.frame_rate;
+	mdp3_session->vsync_period = 1000 / frame_rate;
 	mfd->mdp.private1 = mdp3_session;
 	init_completion(&mdp3_session->dma_completion);
-	if (intf_type != MDP3_DMA_OUTPUT_SEL_DSI_VIDEO)
+	if (intf_type != MDP3_DMA_OUTPUT_SEL_DSI_VIDEO ||
+		intf_type != MDP3_DMA_OUTPUT_SEL_SPI_CMD)
 		mdp3_session->wait_for_dma_done = mdp3_wait_for_dma_done;
 
 	rc = sysfs_create_group(&dev->kobj, &vsync_fs_attr_group);
diff --git a/drivers/video/fbdev/msm/mdp3_ctrl.h b/drivers/video/fbdev/msm/mdp3_ctrl.h
index b7b667b..5193af1 100644
--- a/drivers/video/fbdev/msm/mdp3_ctrl.h
+++ b/drivers/video/fbdev/msm/mdp3_ctrl.h
@@ -84,12 +84,13 @@
 	struct work_struct retire_work;
 };
 
-void mdp3_bufq_deinit(struct mdp3_buffer_queue *bufq);
+void mdp3_bufq_deinit(struct mdp3_buffer_queue *bufq, int client);
 int mdp3_ctrl_init(struct msm_fb_data_type *mfd);
 int mdp3_bufq_push(struct mdp3_buffer_queue *bufq,
 			struct mdp3_img_data *data);
 int mdp3_ctrl_get_source_format(u32 imgType);
 int mdp3_ctrl_get_pack_pattern(u32 imgType);
 int mdp3_ctrl_reset(struct msm_fb_data_type *mfd);
+int mdp3_get_ion_client(struct msm_fb_data_type *mfd);
 
 #endif /* MDP3_CTRL_H */
diff --git a/drivers/video/fbdev/msm/mdp3_dma.c b/drivers/video/fbdev/msm/mdp3_dma.c
index 71fcbf9..b223c87 100644
--- a/drivers/video/fbdev/msm/mdp3_dma.c
+++ b/drivers/video/fbdev/msm/mdp3_dma.c
@@ -114,7 +114,8 @@
 	}
 
 	if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_VIDEO ||
-		dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_LCDC) {
+		dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_LCDC ||
+		dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_SPI_CMD) {
 		if (type & MDP3_DMA_CALLBACK_TYPE_VSYNC)
 			mdp3_irq_enable(MDP3_INTR_LCDC_START_OF_FRAME);
 	} else if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
@@ -150,7 +151,8 @@
 	}
 
 	if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_VIDEO ||
-		dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_LCDC) {
+		dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_LCDC ||
+		dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_SPI_CMD) {
 		if (type & MDP3_DMA_CALLBACK_TYPE_VSYNC)
 			mdp3_irq_disable(MDP3_INTR_LCDC_START_OF_FRAME);
 	} else if (dma->output_config.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) {
@@ -1268,6 +1270,22 @@
 	return 0;
 }
 
+static int spi_cmd_config(struct mdp3_intf *intf, struct mdp3_intf_cfg *cfg)
+{
+	return 0;
+}
+
+static int spi_cmd_start(struct mdp3_intf *intf)
+{
+	intf->active = true;
+	return 0;
+}
+
+static int spi_cmd_stop(struct mdp3_intf *intf)
+{
+	intf->active = false;
+	return 0;
+}
 int mdp3_intf_init(struct mdp3_intf *intf)
 {
 	switch (intf->cfg.type) {
@@ -1286,6 +1304,11 @@
 		intf->start = dsi_cmd_start;
 		intf->stop = dsi_cmd_stop;
 		break;
+	case MDP3_DMA_OUTPUT_SEL_SPI_CMD:
+		intf->config = spi_cmd_config;
+		intf->start = spi_cmd_start;
+		intf->stop = spi_cmd_stop;
+		break;
 
 	default:
 		return -EINVAL;
diff --git a/drivers/video/fbdev/msm/mdp3_dma.h b/drivers/video/fbdev/msm/mdp3_dma.h
index 24caedb9..ec327b6 100644
--- a/drivers/video/fbdev/msm/mdp3_dma.h
+++ b/drivers/video/fbdev/msm/mdp3_dma.h
@@ -47,6 +47,7 @@
 	MDP3_DMA_OUTPUT_SEL_DSI_CMD,
 	MDP3_DMA_OUTPUT_SEL_LCDC,
 	MDP3_DMA_OUTPUT_SEL_DSI_VIDEO,
+	MDP3_DMA_OUTPUT_SEL_SPI_CMD,
 	MDP3_DMA_OUTPUT_SEL_MAX
 };
 
diff --git a/drivers/video/fbdev/msm/mdp3_layer.c b/drivers/video/fbdev/msm/mdp3_layer.c
index 0078466..98b5c19 100644
--- a/drivers/video/fbdev/msm/mdp3_layer.c
+++ b/drivers/video/fbdev/msm/mdp3_layer.c
@@ -197,6 +197,7 @@
 	struct msmfb_data img;
 	bool is_panel_type_cmd = false;
 	struct mdp3_img_data data;
+	int intf_type;
 	int rc = 0;
 
 	layer = &input_layer[0];
@@ -208,23 +209,24 @@
 		goto err;
 	}
 
+	intf_type = mdp3_get_ion_client(mfd);
 	memset(&img, 0, sizeof(img));
 	img.memory_id = buffer->planes[0].fd;
 	img.offset = buffer->planes[0].offset;
 
 	memset(&data, 0, sizeof(struct mdp3_img_data));
 
-	if (mfd->panel.type == MIPI_CMD_PANEL)
+	if (mfd->panel.type == MIPI_CMD_PANEL || intf_type == MDP3_CLIENT_SPI)
 		is_panel_type_cmd = true;
 	if (is_panel_type_cmd) {
-		rc = mdp3_iommu_enable(MDP3_CLIENT_DMA_P);
+		rc = mdp3_iommu_enable(intf_type);
 		if (rc) {
 			pr_err("fail to enable iommu\n");
 			return rc;
 		}
 	}
 
-	rc = mdp3_get_img(&img, &data, MDP3_CLIENT_DMA_P);
+	rc = mdp3_get_img(&img, &data, intf_type);
 	if (rc) {
 		pr_err("fail to get overlay buffer\n");
 		goto err;
@@ -260,7 +262,7 @@
 	struct mdp3_session_data *mdp3_session;
 	struct mdp3_dma *dma;
 	int layer_count = commit->input_layer_cnt;
-	int stride, format;
+	int stride, format, client;
 
 	/* Handle NULL commit */
 	if (!layer_count) {
@@ -273,7 +275,8 @@
 
 	mutex_lock(&mdp3_session->lock);
 
-	mdp3_bufq_deinit(&mdp3_session->bufq_in);
+	client = mdp3_get_ion_client(mfd);
+	mdp3_bufq_deinit(&mdp3_session->bufq_in, client);
 
 	layer_list = commit->input_layers;
 	layer = &layer_list[0];
diff --git a/drivers/video/fbdev/msm/mdp3_ppp.c b/drivers/video/fbdev/msm/mdp3_ppp.c
index 3391059..5459510 100644
--- a/drivers/video/fbdev/msm/mdp3_ppp.c
+++ b/drivers/video/fbdev/msm/mdp3_ppp.c
@@ -542,6 +542,7 @@
 {
 	struct mdss_panel_info *panel_info = mfd->panel_info;
 	int i, lcount = 0;
+	int frame_rate = DEFAULT_FRAME_RATE;
 	struct mdp_blit_req *req;
 	struct bpp_info bpp;
 	u64 old_solid_fill_pixel = 0;
@@ -556,6 +557,7 @@
 
 	ATRACE_BEGIN(__func__);
 	lcount = lreq->count;
+	frame_rate = mdss_panel_get_framerate(panel_info, FPS_RESOLUTION_HZ);
 	if (lcount == 0) {
 		pr_err("Blit with request count 0, continue to recover!!!\n");
 		ATRACE_END(__func__);
@@ -583,11 +585,11 @@
 		is_blit_optimization_possible(lreq, i);
 		req = &(lreq->req_list[i]);
 
-		if (req->fps > 0 && req->fps <= panel_info->mipi.frame_rate) {
+		if (req->fps > 0 && req->fps <= frame_rate) {
 			if (fps == 0)
 				fps = req->fps;
 			else
-				fps = panel_info->mipi.frame_rate;
+				fps = frame_rate;
 		}
 
 		mdp3_get_bpp_info(req->src.format, &bpp);
@@ -645,7 +647,7 @@
 	}
 
 	if (fps == 0)
-		fps = panel_info->mipi.frame_rate;
+		fps = frame_rate;
 
 	if (lreq->req_list[0].flags & MDP_SOLID_FILL) {
 		honest_ppp_ab = ppp_res.solid_fill_byte * 4;
diff --git a/drivers/video/fbdev/msm/mdp3_ppp_data.c b/drivers/video/fbdev/msm/mdp3_ppp_data.c
index ac88d9b..dd2cce0 100644
--- a/drivers/video/fbdev/msm/mdp3_ppp_data.c
+++ b/drivers/video/fbdev/msm/mdp3_ppp_data.c
@@ -89,8 +89,8 @@
 };
 
 const uint32_t swapped_pack_patt_lut[MDP_IMGTYPE_LIMIT] = {
-	[MDP_RGB_565] = PPP_GET_PACK_PATTERN(0, CLR_B, CLR_G, CLR_R, 8),
-	[MDP_BGR_565] = PPP_GET_PACK_PATTERN(0, CLR_R, CLR_G, CLR_B, 8),
+	[MDP_RGB_565] = PPP_GET_PACK_PATTERN(0, CLR_R, CLR_G, CLR_B, 8),
+	[MDP_BGR_565] = PPP_GET_PACK_PATTERN(0, CLR_B, CLR_G, CLR_R, 8),
 	[MDP_RGB_888] = PPP_GET_PACK_PATTERN(0, CLR_B, CLR_G, CLR_R, 8),
 	[MDP_BGR_888] = PPP_GET_PACK_PATTERN(0, CLR_R, CLR_G, CLR_B, 8),
 	[MDP_BGRA_8888] = PPP_GET_PACK_PATTERN(CLR_ALPHA, CLR_R,
diff --git a/drivers/video/fbdev/msm/mdss_dsi.c b/drivers/video/fbdev/msm/mdss_dsi.c
index 816eed0..b4e4bdd 100644
--- a/drivers/video/fbdev/msm/mdss_dsi.c
+++ b/drivers/video/fbdev/msm/mdss_dsi.c
@@ -383,6 +383,14 @@
 		ret = 0;
 	}
 
+	if (gpio_is_valid(ctrl_pdata->vdd_ext_gpio)) {
+		ret = gpio_direction_output(
+			ctrl_pdata->vdd_ext_gpio, 0);
+		if (ret)
+			pr_err("%s: unable to set dir for vdd gpio\n",
+					__func__);
+	}
+
 	if (mdss_dsi_pinctrl_set_state(ctrl_pdata, false))
 		pr_debug("reset disable: pinctrl not enabled\n");
 
@@ -410,6 +418,15 @@
 	ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata,
 				panel_data);
 
+	if (gpio_is_valid(ctrl_pdata->vdd_ext_gpio)) {
+		ret = gpio_direction_output(
+				ctrl_pdata->vdd_ext_gpio, 1);
+		usleep_range(3000, 4000); /* h/w recommended delay */
+		if (ret)
+			pr_err("%s: unable to set dir for vdd gpio\n",
+					__func__);
+	}
+
 	ret = msm_mdss_enable_vreg(
 		ctrl_pdata->panel_power_data.vreg_config,
 		ctrl_pdata->panel_power_data.num_vreg, 1);
@@ -3263,6 +3280,7 @@
 	struct mdss_util_intf *util;
 	static int te_irq_registered;
 	struct mdss_panel_data *pdata;
+	struct mdss_panel_cfg *pan_cfg = NULL;
 
 	if (!pdev || !pdev->dev.of_node) {
 		pr_err("%s: pdev not found for DSI controller\n", __func__);
@@ -3295,6 +3313,14 @@
 		return -ENODEV;
 	}
 
+	pan_cfg = util->panel_intf_type(MDSS_PANEL_INTF_SPI);
+	if (IS_ERR(pan_cfg)) {
+		return PTR_ERR(pan_cfg);
+	} else if (pan_cfg) {
+		pr_debug("%s: SPI is primary\n", __func__);
+		return -ENODEV;
+	}
+
 	ctrl_pdata->mdss_util = util;
 	atomic_set(&ctrl_pdata->te_irq_ready, 0);
 
@@ -4183,6 +4209,11 @@
 			of_property_read_bool(ctrl_pdev->dev.of_node,
 				"qcom,platform-bklight-en-gpio-invert");
 
+	ctrl_pdata->vdd_ext_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
+		"qcom,ext-vdd-gpio", 0);
+	if (!gpio_is_valid(ctrl_pdata->vdd_ext_gpio))
+		pr_info("%s: ext vdd gpio not specified\n", __func__);
+
 	ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
 			 "qcom,platform-reset-gpio", 0);
 	if (!gpio_is_valid(ctrl_pdata->rst_gpio))
diff --git a/drivers/video/fbdev/msm/mdss_dsi.h b/drivers/video/fbdev/msm/mdss_dsi.h
index 2ff2951..5d2d677 100644
--- a/drivers/video/fbdev/msm/mdss_dsi.h
+++ b/drivers/video/fbdev/msm/mdss_dsi.h
@@ -435,6 +435,7 @@
 	int rst_gpio;
 	int disp_en_gpio;
 	int bklt_en_gpio;
+	int vdd_ext_gpio;
 	int mode_gpio;
 	int intf_mux_gpio;
 	bool bklt_en_gpio_invert;
diff --git a/drivers/video/fbdev/msm/mdss_dsi_panel.c b/drivers/video/fbdev/msm/mdss_dsi_panel.c
index 85ed42e..b94280d 100644
--- a/drivers/video/fbdev/msm/mdss_dsi_panel.c
+++ b/drivers/video/fbdev/msm/mdss_dsi_panel.c
@@ -326,6 +326,15 @@
 			goto bklt_en_gpio_err;
 		}
 	}
+	if (gpio_is_valid(ctrl_pdata->vdd_ext_gpio)) {
+		rc = gpio_request(ctrl_pdata->vdd_ext_gpio,
+						"vdd_enable");
+		if (rc) {
+			pr_err("request vdd enable gpio failed, rc=%d\n",
+				rc);
+			goto vdd_en_gpio_err;
+		}
+	}
 	if (gpio_is_valid(ctrl_pdata->mode_gpio)) {
 		rc = gpio_request(ctrl_pdata->mode_gpio, "panel_mode");
 		if (rc) {
@@ -337,6 +346,9 @@
 	return rc;
 
 mode_gpio_err:
+	if (gpio_is_valid(ctrl_pdata->vdd_ext_gpio))
+		gpio_free(ctrl_pdata->vdd_ext_gpio);
+vdd_en_gpio_err:
 	if (gpio_is_valid(ctrl_pdata->bklt_en_gpio))
 		gpio_free(ctrl_pdata->bklt_en_gpio);
 bklt_en_gpio_err:
diff --git a/drivers/video/fbdev/msm/mdss_dsi_status.c b/drivers/video/fbdev/msm/mdss_dsi_status.c
index c5af962..326768d 100644
--- a/drivers/video/fbdev/msm/mdss_dsi_status.c
+++ b/drivers/video/fbdev/msm/mdss_dsi_status.c
@@ -146,15 +146,18 @@
 		return NOTIFY_DONE;
 
 	mfd = evdata->info->par;
-	ctrl_pdata = container_of(dev_get_platdata(&mfd->pdev->dev),
+	if (mfd->panel_info->type == SPI_PANEL) {
+		pinfo = mfd->panel_info;
+	} else {
+		ctrl_pdata = container_of(dev_get_platdata(&mfd->pdev->dev),
 				struct mdss_dsi_ctrl_pdata, panel_data);
-	if (!ctrl_pdata) {
-		pr_err("%s: DSI ctrl not available\n", __func__);
-		return NOTIFY_BAD;
+		if (!ctrl_pdata) {
+			pr_err("%s: DSI ctrl not available\n", __func__);
+			return NOTIFY_BAD;
+		}
+
+		pinfo = &ctrl_pdata->panel_data.panel_info;
 	}
-
-	pinfo = &ctrl_pdata->panel_data.panel_info;
-
 	if ((!(pinfo->esd_check_enabled) &&
 			dsi_status_disable) ||
 			(dsi_status_disable == DSI_STATUS_CHECK_DISABLE)) {
diff --git a/drivers/video/fbdev/msm/mdss_fb.c b/drivers/video/fbdev/msm/mdss_fb.c
index 72f651e..edeecb4 100644
--- a/drivers/video/fbdev/msm/mdss_fb.c
+++ b/drivers/video/fbdev/msm/mdss_fb.c
@@ -345,6 +345,9 @@
 	case EDP_PANEL:
 		ret = snprintf(buf, PAGE_SIZE, "edp panel\n");
 		break;
+	case SPI_PANEL:
+		ret = snprintf(buf, PAGE_SIZE, "spi panel\n");
+		break;
 	default:
 		ret = snprintf(buf, PAGE_SIZE, "unknown panel\n");
 		break;
@@ -1214,6 +1217,7 @@
 	struct mdss_panel_data *pdata;
 	struct fb_info *fbi;
 	int rc;
+	const char *data;
 
 	if (fbi_list_index >= MAX_FBI_LIST)
 		return -ENOMEM;
@@ -1262,6 +1266,21 @@
 
 	mfd->pdev = pdev;
 
+	if (mfd->panel.type == SPI_PANEL)
+		mfd->fb_imgType = MDP_RGB_565;
+	if (mfd->panel.type == MIPI_VIDEO_PANEL || mfd->panel.type ==
+		MIPI_CMD_PANEL || mfd->panel.type == SPI_PANEL){
+		rc = of_property_read_string(pdev->dev.of_node,
+			"qcom,mdss-fb-format", &data);
+		if (!rc) {
+			if (!strcmp(data, "rgb888"))
+				mfd->fb_imgType = MDP_RGB_888;
+			else if (!strcmp(data, "rgb565"))
+				mfd->fb_imgType = MDP_RGB_565;
+			else
+				mfd->fb_imgType = MDP_RGBA_8888;
+			}
+		}
 	mfd->split_fb_left = mfd->split_fb_right = 0;
 
 	mdss_fb_set_split_mode(mfd, pdata);
@@ -1374,6 +1393,7 @@
 		mfd->mdp_sync_pt_data.threshold = 1;
 		mfd->mdp_sync_pt_data.retire_threshold = 0;
 		break;
+	case SPI_PANEL:
 	case MIPI_CMD_PANEL:
 		mfd->mdp_sync_pt_data.threshold = 1;
 		mfd->mdp_sync_pt_data.retire_threshold = 1;
diff --git a/drivers/video/fbdev/msm/mdss_panel.h b/drivers/video/fbdev/msm/mdss_panel.h
index aa90d5f..314dc0e 100644
--- a/drivers/video/fbdev/msm/mdss_panel.h
+++ b/drivers/video/fbdev/msm/mdss_panel.h
@@ -60,6 +60,7 @@
 #define WRITEBACK_PANEL		10	/* Wifi display */
 #define LVDS_PANEL		11	/* LVDS */
 #define EDP_PANEL		12	/* LVDS */
+#define SPI_PANEL		13
 
 #define DSC_PPS_LEN		128
 
@@ -108,6 +109,7 @@
 	MDSS_PANEL_INTF_DSI,
 	MDSS_PANEL_INTF_EDP,
 	MDSS_PANEL_INTF_HDMI,
+	MDSS_PANEL_INTF_SPI,
 };
 
 enum {
@@ -118,6 +120,12 @@
 };
 
 enum {
+	MDSS_PANEL_BLANK_BLANK = 0,
+	MDSS_PANEL_BLANK_UNBLANK,
+	MDSS_PANEL_BLANK_LOW_POWER,
+};
+
+enum {
 	MDSS_PANEL_LOW_PERSIST_MODE_OFF = 0,
 	MDSS_PANEL_LOW_PERSIST_MODE_ON,
 };
@@ -430,6 +438,10 @@
 	char frame_rate;	/* fps */
 };
 
+struct spi_panel_info {
+	char frame_rate;
+};
+
 /**
  * struct dynamic_fps_data - defines dynamic fps related data
  * @hfp: horizontal front porch
@@ -677,6 +689,7 @@
 	u32 partial_update_roi_merge;
 	struct ion_handle *splash_ihdl;
 	int panel_power_state;
+	int blank_state;
 	int compression_mode;
 
 	uint32_t panel_dead;
@@ -736,6 +749,7 @@
 	struct lcd_panel_info lcdc;
 	struct fbc_panel_info fbc;
 	struct mipi_panel_info mipi;
+	struct spi_panel_info spi;
 	struct lvds_panel_info lvds;
 	struct edp_panel_info edp;
 
@@ -875,6 +889,9 @@
 			frame_rate = panel_info->lcdc.frame_rate;
 			break;
 		}
+	case SPI_PANEL:
+		frame_rate = panel_info->spi.frame_rate;
+		break;
 	default:
 		pixel_total = (panel_info->lcdc.h_back_porch +
 			  panel_info->lcdc.h_front_porch +
diff --git a/drivers/video/fbdev/msm/mdss_spi_client.c b/drivers/video/fbdev/msm/mdss_spi_client.c
new file mode 100644
index 0000000..541e382
--- /dev/null
+++ b/drivers/video/fbdev/msm/mdss_spi_client.c
@@ -0,0 +1,198 @@
+/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spi/spi.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
+#include <linux/qpnp/pin.h>
+#include <linux/delay.h>
+
+#include "mdss_spi_client.h"
+
+#define MAX_READ_SPEED_HZ	9600000
+#define SPI_PANEL_COMMAND_LEN	1
+static struct spi_device *mdss_spi_client;
+
+int mdss_spi_read_data(u8 reg_addr, u8 *data, u8 len)
+{
+	int rc = 0;
+	u32 max_speed_hz;
+	u8 memory_write_reg = 0x2c;
+	u8 empty_pack[] = {0x29, 0x29, 0x29};
+	struct spi_transfer t[4] = {
+		[0] = {
+			.tx_buf = &reg_addr,
+			.len = 1,
+		},
+		[1] = {
+			.rx_buf = data,
+			.len = len,
+		},
+		[2] = {
+			.tx_buf = &empty_pack,
+			.len = 3,
+		},
+		[3] = {
+			.tx_buf = &memory_write_reg,
+			.len = 1,
+		}
+	};
+	struct spi_message m;
+
+	if (!mdss_spi_client) {
+		pr_err("%s: spi client not available\n", __func__);
+		return -EINVAL;
+	}
+
+	mdss_spi_client->bits_per_word = 8;
+	max_speed_hz = mdss_spi_client->max_speed_hz;
+	mdss_spi_client->max_speed_hz = MAX_READ_SPEED_HZ;
+
+	spi_message_init(&m);
+	spi_message_add_tail(&t[0], &m);
+	spi_message_add_tail(&t[1], &m);
+	rc = spi_sync(mdss_spi_client, &m);
+
+	spi_message_init(&m);
+	spi_message_add_tail(&t[2], &m);
+	rc = spi_sync(mdss_spi_client, &m);
+	spi_message_init(&m);
+	spi_message_add_tail(&t[3], &m);
+	rc = spi_sync(mdss_spi_client, &m);
+	mdss_spi_client->max_speed_hz = max_speed_hz;
+
+	return rc;
+}
+
+int mdss_spi_tx_command(const void *buf)
+{
+	int rc = 0;
+	struct spi_transfer t = {
+		.tx_buf = buf,
+		.len    = SPI_PANEL_COMMAND_LEN,
+	};
+	struct spi_message m;
+
+	if (!mdss_spi_client) {
+		pr_err("%s: spi client not available\n", __func__);
+		return -EINVAL;
+	}
+
+	mdss_spi_client->bits_per_word = 8;
+
+	spi_message_init(&m);
+	spi_message_add_tail(&t, &m);
+	rc = spi_sync(mdss_spi_client, &m);
+
+	return rc;
+}
+
+int mdss_spi_tx_parameter(const void *buf, size_t len)
+{
+	int rc = 0;
+	struct spi_transfer t = {
+		.tx_buf = buf,
+		.len    = len,
+	};
+	struct spi_message m;
+
+	if (!mdss_spi_client) {
+		pr_err("%s: spi client not available\n", __func__);
+		return -EINVAL;
+	}
+
+	mdss_spi_client->bits_per_word = 8;
+
+	spi_message_init(&m);
+	spi_message_add_tail(&t, &m);
+	rc = spi_sync(mdss_spi_client, &m);
+
+	return rc;
+}
+
+int mdss_spi_tx_pixel(const void *buf, size_t len)
+{
+	int rc = 0;
+	struct spi_transfer t = {
+		.tx_buf = buf,
+		.len    = len,
+		};
+	struct spi_message m;
+
+	if (!mdss_spi_client) {
+		pr_err("%s: spi client not available\n", __func__);
+		return -EINVAL;
+	}
+
+	mdss_spi_client->bits_per_word = 16;
+	spi_message_init(&m);
+	spi_message_add_tail(&t, &m);
+	rc = spi_sync(mdss_spi_client, &m);
+
+	return rc;
+}
+
+static int mdss_spi_client_probe(struct spi_device *spidev)
+{
+	int irq;
+	int cs;
+	int cpha, cpol, cs_high;
+	u32 max_speed;
+	struct device_node *np;
+
+	irq = spidev->irq;
+	cs = spidev->chip_select;
+	cpha = (spidev->mode & SPI_CPHA) ? 1:0;
+	cpol = (spidev->mode & SPI_CPOL) ? 1:0;
+	cs_high = (spidev->mode & SPI_CS_HIGH) ? 1:0;
+	max_speed = spidev->max_speed_hz;
+	np = spidev->dev.of_node;
+	pr_debug("cs[%x] CPHA[%x] CPOL[%x] CS_HIGH[%x] Max_speed[%d]\n",
+		cs, cpha, cpol, cs_high, max_speed);
+	mdss_spi_client = spidev;
+
+	return 0;
+}
+
+
+static const struct of_device_id mdss_spi_dt_match[] = {
+	{ .compatible = "qcom,mdss-spi-client" },
+	{},
+};
+
+static struct spi_driver mdss_spi_client_driver = {
+	.probe = mdss_spi_client_probe,
+	.driver = {
+		.name = "mdss-spi-client",
+		.owner  = THIS_MODULE,
+		.of_match_table = mdss_spi_dt_match,
+	},
+};
+
+static int __init mdss_spi_init(void)
+{
+	int ret;
+
+	ret = spi_register_driver(&mdss_spi_client_driver);
+
+	return 0;
+}
+module_init(mdss_spi_init);
+
+static void __exit mdss_spi_exit(void)
+{
+	spi_unregister_driver(&mdss_spi_client_driver);
+}
+module_exit(mdss_spi_exit);
+
diff --git a/drivers/video/fbdev/msm/mdss_spi_client.h b/drivers/video/fbdev/msm/mdss_spi_client.h
new file mode 100644
index 0000000..2d15625
--- /dev/null
+++ b/drivers/video/fbdev/msm/mdss_spi_client.h
@@ -0,0 +1,20 @@
+/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __MDSS_SPI_CLINET_H__
+#define __MDSS_SPI_CLINET_H__
+
+int mdss_spi_tx_command(const void *buf);
+int mdss_spi_tx_parameter(const void *buf, size_t len);
+int mdss_spi_tx_pixel(const void *buf, size_t len);
+int mdss_spi_read_data(u8 reg_addr, u8 *data, u8 len);
+#endif /* End of __MDSS_SPI_CLINET_H__ */
diff --git a/drivers/video/fbdev/msm/mdss_spi_panel.c b/drivers/video/fbdev/msm/mdss_spi_panel.c
new file mode 100644
index 0000000..86a1c1c
--- /dev/null
+++ b/drivers/video/fbdev/msm/mdss_spi_panel.c
@@ -0,0 +1,1713 @@
+/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
+#include <linux/qpnp/pin.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/leds.h>
+#include <linux/qpnp/pwm.h>
+#include <linux/of_device.h>
+
+#include "mdss.h"
+#include "mdss_panel.h"
+#include "mdss_spi_panel.h"
+#include "mdss_spi_client.h"
+#include "mdp3.h"
+
+DEFINE_LED_TRIGGER(bl_led_trigger);
+static int mdss_spi_panel_reset(struct mdss_panel_data *pdata, int enable)
+{
+	struct spi_panel_data *ctrl_pdata = NULL;
+	struct mdss_panel_info *pinfo = NULL;
+	int i, rc = 0;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	if (!gpio_is_valid(ctrl_pdata->rst_gpio)) {
+		pr_debug("%s:%d, reset line not configured\n",
+			   __func__, __LINE__);
+		return rc;
+	}
+
+	if (!gpio_is_valid(ctrl_pdata->disp_dc_gpio)) {
+		pr_debug("%s:%d, dc line not configured\n",
+			   __func__, __LINE__);
+		return rc;
+	}
+
+	pr_debug("%s: enable = %d\n", __func__, enable);
+	pinfo = &(ctrl_pdata->panel_data.panel_info);
+
+	if (enable) {
+		rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n");
+		if (rc) {
+			pr_err("display reset gpio request failed\n");
+			return rc;
+		}
+
+		rc = gpio_request(ctrl_pdata->disp_dc_gpio, "disp_dc");
+		if (rc) {
+			pr_err("display dc gpio request failed\n");
+			return rc;
+		}
+
+		if (!pinfo->cont_splash_enabled) {
+			for (i = 0; i < pdata->panel_info.rst_seq_len; ++i) {
+				gpio_direction_output((ctrl_pdata->rst_gpio),
+					pdata->panel_info.rst_seq[i]);
+				if (pdata->panel_info.rst_seq[++i])
+					usleep_range(pinfo->rst_seq[i] * 1000,
+					pinfo->rst_seq[i] * 1000);
+			}
+		}
+
+		if (ctrl_pdata->ctrl_state & CTRL_STATE_PANEL_INIT) {
+			pr_debug("%s: Panel Not properly turned OFF\n",
+						__func__);
+			ctrl_pdata->ctrl_state &= ~CTRL_STATE_PANEL_INIT;
+			pr_err("%s: Reset panel done\n", __func__);
+		}
+	} else {
+		gpio_direction_output((ctrl_pdata->rst_gpio), 0);
+		gpio_free(ctrl_pdata->rst_gpio);
+
+		gpio_direction_output(ctrl_pdata->disp_dc_gpio, 0);
+		gpio_free(ctrl_pdata->disp_dc_gpio);
+	}
+	return rc;
+}
+
+
+static int mdss_spi_panel_pinctrl_set_state(
+	struct spi_panel_data *ctrl_pdata,
+	bool active)
+{
+	struct pinctrl_state *pin_state;
+	int rc = -EFAULT;
+
+	if (IS_ERR_OR_NULL(ctrl_pdata->pin_res.pinctrl))
+		return PTR_ERR(ctrl_pdata->pin_res.pinctrl);
+
+	pin_state = active ? ctrl_pdata->pin_res.gpio_state_active
+				: ctrl_pdata->pin_res.gpio_state_suspend;
+	if (!IS_ERR_OR_NULL(pin_state)) {
+		rc = pinctrl_select_state(ctrl_pdata->pin_res.pinctrl,
+				pin_state);
+		if (rc)
+			pr_err("%s: can not set %s pins\n", __func__,
+			       active ? MDSS_PINCTRL_STATE_DEFAULT
+			       : MDSS_PINCTRL_STATE_SLEEP);
+	} else {
+		pr_err("%s: invalid '%s' pinstate\n", __func__,
+		       active ? MDSS_PINCTRL_STATE_DEFAULT
+		       : MDSS_PINCTRL_STATE_SLEEP);
+	}
+	return rc;
+}
+
+
+static int mdss_spi_panel_pinctrl_init(struct platform_device *pdev)
+{
+	struct spi_panel_data *ctrl_pdata;
+
+	ctrl_pdata = platform_get_drvdata(pdev);
+	ctrl_pdata->pin_res.pinctrl = devm_pinctrl_get(&pdev->dev);
+	if (IS_ERR_OR_NULL(ctrl_pdata->pin_res.pinctrl)) {
+		pr_err("%s: failed to get pinctrl\n", __func__);
+		return PTR_ERR(ctrl_pdata->pin_res.pinctrl);
+	}
+
+	ctrl_pdata->pin_res.gpio_state_active
+		= pinctrl_lookup_state(ctrl_pdata->pin_res.pinctrl,
+				MDSS_PINCTRL_STATE_DEFAULT);
+	if (IS_ERR_OR_NULL(ctrl_pdata->pin_res.gpio_state_active))
+		pr_warn("%s: can not get default pinstate\n", __func__);
+
+	ctrl_pdata->pin_res.gpio_state_suspend
+		= pinctrl_lookup_state(ctrl_pdata->pin_res.pinctrl,
+				MDSS_PINCTRL_STATE_SLEEP);
+	if (IS_ERR_OR_NULL(ctrl_pdata->pin_res.gpio_state_suspend))
+		pr_warn("%s: can not get sleep pinstate\n", __func__);
+
+	return 0;
+}
+
+
+static int mdss_spi_panel_power_on(struct mdss_panel_data *pdata)
+{
+	int ret = 0;
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+	ret = msm_mdss_enable_vreg(
+		ctrl_pdata->panel_power_data.vreg_config,
+		ctrl_pdata->panel_power_data.num_vreg, 1);
+	if (ret) {
+		pr_err("%s: failed to enable vregs for %s\n",
+			__func__, "PANEL_PM");
+	}
+
+	/*
+	 * If continuous splash screen feature is enabled, then we need to
+	 * request all the GPIOs that have already been configured in the
+	 * bootloader. This needs to be done irresepective of whether
+	 * the lp11_init flag is set or not.
+	 */
+	if (pdata->panel_info.cont_splash_enabled) {
+		if (mdss_spi_panel_pinctrl_set_state(ctrl_pdata, true))
+			pr_debug("reset enable: pinctrl not enabled\n");
+
+		ret = mdss_spi_panel_reset(pdata, 1);
+		if (ret)
+			pr_err("%s: Panel reset failed. rc=%d\n",
+					__func__, ret);
+	}
+
+	return ret;
+}
+
+
+static int mdss_spi_panel_power_off(struct mdss_panel_data *pdata)
+{
+	int ret = 0;
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		ret = -EINVAL;
+		goto end;
+	}
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	ret = mdss_spi_panel_reset(pdata, 0);
+	if (ret) {
+		pr_warn("%s: Panel reset failed. rc=%d\n", __func__, ret);
+		ret = 0;
+	}
+
+	if (mdss_spi_panel_pinctrl_set_state(ctrl_pdata, false))
+		pr_warn("reset disable: pinctrl not enabled\n");
+
+	ret = msm_mdss_enable_vreg(
+		ctrl_pdata->panel_power_data.vreg_config,
+		ctrl_pdata->panel_power_data.num_vreg, 0);
+	if (ret)
+		pr_err("%s: failed to disable vregs for %s\n",
+			__func__, "PANEL_PM");
+
+end:
+	return ret;
+}
+
+
+static int mdss_spi_panel_power_ctrl(struct mdss_panel_data *pdata,
+	int power_state)
+{
+	int ret;
+	struct mdss_panel_info *pinfo;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+
+	pinfo = &pdata->panel_info;
+	pr_debug("%s: cur_power_state=%d req_power_state=%d\n", __func__,
+		pinfo->panel_power_state, power_state);
+
+	if (pinfo->panel_power_state == power_state) {
+		pr_debug("%s: no change needed\n", __func__);
+		return 0;
+	}
+
+	switch (power_state) {
+	case MDSS_PANEL_POWER_OFF:
+		ret = mdss_spi_panel_power_off(pdata);
+		break;
+	case MDSS_PANEL_POWER_ON:
+		ret = mdss_spi_panel_power_on(pdata);
+		break;
+	default:
+		pr_err("%s: unknown panel power state requested (%d)\n",
+			__func__, power_state);
+		ret = -EINVAL;
+	}
+
+	if (!ret)
+		pinfo->panel_power_state = power_state;
+
+	return ret;
+}
+
+static int mdss_spi_panel_unblank(struct mdss_panel_data *pdata)
+{
+	int ret = 0;
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	if (!(ctrl_pdata->ctrl_state & CTRL_STATE_PANEL_INIT)) {
+		ret = ctrl_pdata->on(pdata);
+		if (ret) {
+			pr_err("%s: unable to initialize the panel\n",
+							__func__);
+			return ret;
+		}
+		ctrl_pdata->ctrl_state |= CTRL_STATE_PANEL_INIT;
+	}
+
+	return ret;
+}
+
+static int mdss_spi_panel_blank(struct mdss_panel_data *pdata, int power_state)
+{
+	int ret = 0;
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	if (ctrl_pdata->ctrl_state & CTRL_STATE_PANEL_INIT) {
+		ret = ctrl_pdata->off(pdata);
+		if (ret) {
+			pr_err("%s: Panel OFF failed\n", __func__);
+			return ret;
+		}
+		ctrl_pdata->ctrl_state &= ~CTRL_STATE_PANEL_INIT;
+	}
+
+	return ret;
+}
+
+
+static int mdss_spi_panel_event_handler(struct mdss_panel_data *pdata,
+				  int event, void *arg)
+{
+	int rc = 0;
+	struct spi_panel_data *ctrl_pdata = NULL;
+	int power_state;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	switch (event) {
+	case MDSS_EVENT_LINK_READY:
+		rc = mdss_spi_panel_power_ctrl(pdata, MDSS_PANEL_POWER_ON);
+		if (rc) {
+			pr_err("%s:Panel power on failed. rc=%d\n",
+							__func__, rc);
+			return rc;
+		}
+		mdss_spi_panel_pinctrl_set_state(ctrl_pdata, true);
+		mdss_spi_panel_reset(pdata, 1);
+		break;
+	case MDSS_EVENT_UNBLANK:
+		rc = mdss_spi_panel_unblank(pdata);
+		break;
+	case MDSS_EVENT_PANEL_ON:
+		ctrl_pdata->ctrl_state |= CTRL_STATE_MDP_ACTIVE;
+		break;
+	case MDSS_EVENT_BLANK:
+		power_state = (int) (unsigned long) arg;
+		break;
+	case MDSS_EVENT_PANEL_OFF:
+		power_state = (int) (unsigned long) arg;
+		ctrl_pdata->ctrl_state &= ~CTRL_STATE_MDP_ACTIVE;
+		rc = mdss_spi_panel_blank(pdata, power_state);
+		rc = mdss_spi_panel_power_ctrl(pdata, power_state);
+		break;
+	default:
+		pr_debug("%s: unhandled event=%d\n", __func__, event);
+		break;
+	}
+	pr_debug("%s-:event=%d, rc=%d\n", __func__, event, rc);
+	return rc;
+}
+
+int is_spi_panel_continuous_splash_on(struct mdss_panel_data *pdata)
+{
+	int i = 0, voltage = 0;
+	struct mdss_vreg *vreg;
+	int num_vreg;
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+			panel_data);
+	vreg = ctrl_pdata->panel_power_data.vreg_config;
+	num_vreg = ctrl_pdata->panel_power_data.num_vreg;
+
+	for (i = 0; i < num_vreg; i++) {
+		if (regulator_is_enabled(vreg[i].vreg) <= 0)
+			return false;
+		voltage = regulator_get_voltage(vreg[i].vreg);
+		if (!(voltage >= vreg[i].min_voltage &&
+			 voltage <= vreg[i].max_voltage))
+			return false;
+	}
+
+	return true;
+}
+
+static void enable_spi_panel_te_irq(struct spi_panel_data *ctrl_pdata,
+							bool enable)
+{
+	static bool is_enabled = true;
+
+	if (is_enabled == enable)
+		return;
+
+	if (!gpio_is_valid(ctrl_pdata->disp_te_gpio)) {
+		pr_err("%s:%d,SPI panel TE GPIO not configured\n",
+			   __func__, __LINE__);
+		return;
+	}
+
+	if (enable)
+		enable_irq(gpio_to_irq(ctrl_pdata->disp_te_gpio));
+	else
+		disable_irq(gpio_to_irq(ctrl_pdata->disp_te_gpio));
+
+	is_enabled = enable;
+}
+
+int mdss_spi_panel_kickoff(struct mdss_panel_data *pdata,
+			char *buf, int len, int dma_stride)
+{
+	struct spi_panel_data *ctrl_pdata = NULL;
+	char *tx_buf;
+	int rc = 0;
+	int panel_yres;
+	int panel_xres;
+	int padding_length = 0;
+	int actual_stride = 0;
+	int byte_per_pixel = 0;
+	int scan_count = 0;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	tx_buf = ctrl_pdata->tx_buf;
+	panel_xres = ctrl_pdata->panel_data.panel_info.xres;
+	panel_yres = ctrl_pdata->panel_data.panel_info.yres;
+
+	byte_per_pixel = ctrl_pdata->panel_data.panel_info.bpp / 8;
+	actual_stride = panel_xres * byte_per_pixel;
+	padding_length = dma_stride - actual_stride;
+
+	/* remove the padding and copy to continuous buffer */
+	while (scan_count < panel_yres) {
+		memcpy((tx_buf + scan_count * actual_stride),
+			(buf + scan_count * (actual_stride + padding_length)),
+				actual_stride);
+		scan_count++;
+	}
+
+	enable_spi_panel_te_irq(ctrl_pdata, true);
+
+	mutex_lock(&ctrl_pdata->spi_tx_mutex);
+	reinit_completion(&ctrl_pdata->spi_panel_te);
+
+	rc = wait_for_completion_timeout(&ctrl_pdata->spi_panel_te,
+				   msecs_to_jiffies(SPI_PANEL_TE_TIMEOUT));
+
+	if (rc == 0)
+		pr_err("wait panel TE time out\n");
+
+	rc = mdss_spi_tx_pixel(tx_buf, ctrl_pdata->byte_pre_frame);
+	mutex_unlock(&ctrl_pdata->spi_tx_mutex);
+
+	return rc;
+}
+
+static int mdss_spi_read_panel_data(struct mdss_panel_data *pdata,
+		u8 reg_addr, u8 *data, u8 len)
+{
+	int rc = 0;
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+		panel_data);
+
+	mutex_lock(&ctrl_pdata->spi_tx_mutex);
+	gpio_direction_output(ctrl_pdata->disp_dc_gpio, 0);
+	rc = mdss_spi_read_data(reg_addr, data, len);
+	gpio_direction_output(ctrl_pdata->disp_dc_gpio, 1);
+	mutex_unlock(&ctrl_pdata->spi_tx_mutex);
+
+	return rc;
+}
+
+static int mdss_spi_panel_on(struct mdss_panel_data *pdata)
+{
+	struct spi_panel_data *ctrl = NULL;
+	struct mdss_panel_info *pinfo;
+	int i;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+	pinfo = &pdata->panel_info;
+	ctrl = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	for (i = 0; i < ctrl->on_cmds.cmd_cnt; i++) {
+		/* pull down dc gpio indicate this is command */
+		gpio_direction_output(ctrl->disp_dc_gpio, 0);
+		mdss_spi_tx_command(ctrl->on_cmds.cmds[i].command);
+		gpio_direction_output((ctrl->disp_dc_gpio), 1);
+
+		if (ctrl->on_cmds.cmds[i].dchdr.dlen > 1) {
+			mdss_spi_tx_parameter(ctrl->on_cmds.cmds[i].parameter,
+					ctrl->on_cmds.cmds[i].dchdr.dlen-1);
+		}
+		if (ctrl->on_cmds.cmds[i].dchdr.wait != 0)
+			msleep(ctrl->on_cmds.cmds[i].dchdr.wait);
+	}
+
+	pinfo->blank_state = MDSS_PANEL_BLANK_UNBLANK;
+
+	pr_debug("%s:-\n", __func__);
+
+	return 0;
+}
+
+
+static int mdss_spi_panel_off(struct mdss_panel_data *pdata)
+{
+	struct spi_panel_data *ctrl = NULL;
+	struct mdss_panel_info *pinfo;
+	int i;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return -EINVAL;
+	}
+
+	pinfo = &pdata->panel_info;
+	ctrl = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	for (i = 0; i < ctrl->off_cmds.cmd_cnt; i++) {
+		/* pull down dc gpio indicate this is command */
+		gpio_direction_output(ctrl->disp_dc_gpio, 0);
+		mdss_spi_tx_command(ctrl->off_cmds.cmds[i].command);
+		gpio_direction_output((ctrl->disp_dc_gpio), 1);
+
+		if (ctrl->off_cmds.cmds[i].dchdr.dlen > 1) {
+			mdss_spi_tx_parameter(ctrl->off_cmds.cmds[i].parameter,
+					ctrl->off_cmds.cmds[i].dchdr.dlen-1);
+		}
+
+		if (ctrl->off_cmds.cmds[i].dchdr.wait != 0)
+			msleep(ctrl->off_cmds.cmds[i].dchdr.wait);
+	}
+
+	pinfo->blank_state = MDSS_PANEL_BLANK_BLANK;
+
+	pr_debug("%s:-\n", __func__);
+	return 0;
+}
+
+static void mdss_spi_put_dt_vreg_data(struct device *dev,
+	struct mdss_module_power *module_power)
+{
+	if (!module_power) {
+		pr_err("%s: invalid input\n", __func__);
+		return;
+	}
+
+	if (module_power->vreg_config) {
+		devm_kfree(dev, module_power->vreg_config);
+		module_power->vreg_config = NULL;
+	}
+	module_power->num_vreg = 0;
+}
+
+
+static int mdss_spi_get_panel_vreg_data(struct device *dev,
+			struct mdss_module_power *mp)
+{
+	int i = 0, rc = 0;
+	u32 tmp = 0;
+	struct device_node *of_node = NULL, *supply_node = NULL;
+	struct device_node *supply_root_node = NULL;
+
+	if (!dev || !mp) {
+		pr_err("%s: invalid input\n", __func__);
+		rc = -EINVAL;
+		return rc;
+	}
+
+	of_node = dev->of_node;
+
+	mp->num_vreg = 0;
+
+	supply_root_node = of_get_child_by_name(of_node,
+				"qcom,panel-supply-entries");
+
+	for_each_available_child_of_node(supply_root_node, supply_node) {
+		mp->num_vreg++;
+	}
+	if (mp->num_vreg == 0) {
+		pr_debug("%s: no vreg\n", __func__);
+		goto novreg;
+	} else {
+		pr_debug("%s: vreg found. count=%d\n", __func__, mp->num_vreg);
+	}
+
+	mp->vreg_config = kcalloc(mp->num_vreg, sizeof(struct mdss_vreg),
+				GFP_KERNEL);
+
+	if (mp->vreg_config != NULL) {
+		for_each_available_child_of_node(supply_root_node,
+				supply_node) {
+			const char *st = NULL;
+			/* vreg-name */
+			rc = of_property_read_string(supply_node,
+				"qcom,supply-name", &st);
+			if (rc) {
+				pr_err("%s: error reading name. rc=%d\n",
+					__func__, rc);
+				goto error;
+			}
+			snprintf(mp->vreg_config[i].vreg_name,
+				ARRAY_SIZE((mp->vreg_config[i].vreg_name)),
+					"%s", st);
+			/* vreg-min-voltage */
+			rc = of_property_read_u32(supply_node,
+				"qcom,supply-min-voltage", &tmp);
+			if (rc) {
+				pr_err("%s: error reading min volt. rc=%d\n",
+					__func__, rc);
+				goto error;
+			}
+			mp->vreg_config[i].min_voltage = tmp;
+
+			/* vreg-max-voltage */
+			rc = of_property_read_u32(supply_node,
+				"qcom,supply-max-voltage", &tmp);
+			if (rc) {
+				pr_err("%s: error reading max volt. rc=%d\n",
+					__func__, rc);
+				goto error;
+			}
+			mp->vreg_config[i].max_voltage = tmp;
+
+			/* enable-load */
+			rc = of_property_read_u32(supply_node,
+				"qcom,supply-enable-load", &tmp);
+			if (rc) {
+				pr_err("%s: error read enable load. rc=%d\n",
+					__func__, rc);
+				goto error;
+			}
+			mp->vreg_config[i].load[DSS_REG_MODE_ENABLE] = tmp;
+
+			/* disable-load */
+			rc = of_property_read_u32(supply_node,
+				"qcom,supply-disable-load", &tmp);
+			if (rc) {
+				pr_err("%s: error read disable load. rc=%d\n",
+					__func__, rc);
+				goto error;
+			}
+			mp->vreg_config[i].load[DSS_REG_MODE_DISABLE] = tmp;
+
+			/* pre-sleep */
+			rc = of_property_read_u32(supply_node,
+				"qcom,supply-pre-on-sleep", &tmp);
+			if (rc) {
+				pr_debug("%s: error read pre on value\n",
+						__func__);
+				rc = 0;
+			} else {
+				mp->vreg_config[i].pre_on_sleep = tmp;
+			}
+
+			rc = of_property_read_u32(supply_node,
+				"qcom,supply-pre-off-sleep", &tmp);
+			if (rc) {
+				pr_debug("%s: error read pre off value\n",
+						__func__);
+				rc = 0;
+			} else {
+				mp->vreg_config[i].pre_off_sleep = tmp;
+			}
+
+			/* post-sleep */
+			rc = of_property_read_u32(supply_node,
+				"qcom,supply-post-on-sleep", &tmp);
+			if (rc) {
+				pr_debug("%s: error read post on value\n",
+						__func__);
+				rc = 0;
+			} else {
+				mp->vreg_config[i].post_on_sleep = tmp;
+			}
+
+			rc = of_property_read_u32(supply_node,
+				"qcom,supply-post-off-sleep", &tmp);
+			if (rc) {
+				pr_debug("%s: error read post off value\n",
+						__func__);
+				rc = 0;
+			} else {
+				mp->vreg_config[i].post_off_sleep = tmp;
+			}
+
+			++i;
+		}
+	}
+	return rc;
+error:
+	kfree(mp->vreg_config);
+	mp->vreg_config = NULL;
+
+novreg:
+	mp->num_vreg = 0;
+
+	return rc;
+
+}
+
+static int mdss_spi_panel_parse_cmds(struct device_node *np,
+		struct spi_panel_cmds *pcmds, char *cmd_key)
+{
+	const char *data;
+	int blen = 0, len;
+	char *buf, *bp;
+	struct spi_ctrl_hdr *dchdr;
+	int i, cnt;
+
+	data = of_get_property(np, cmd_key, &blen);
+	if (!data) {
+		pr_err("%s: failed, key=%s\n", __func__, cmd_key);
+		return -ENOMEM;
+	}
+
+	buf = kcalloc(blen, sizeof(char), GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
+	memcpy(buf, data, blen);
+
+	/* scan dcs commands */
+	bp = buf;
+	len = blen;
+	cnt = 0;
+	while (len >= sizeof(*dchdr)) {
+		dchdr = (struct spi_ctrl_hdr *)bp;
+		if (dchdr->dlen > len) {
+			pr_err("%s: dtsi parse error, len=%d",
+				__func__, dchdr->dlen);
+			goto exit_free;
+		}
+		bp += sizeof(*dchdr);
+		len -= sizeof(*dchdr);
+		bp += dchdr->dlen;
+		len -= dchdr->dlen;
+		cnt++;
+	}
+
+	if (len != 0) {
+		pr_err("%s: dcs_cmd=%x len=%d error",
+				__func__, buf[0], len);
+		goto exit_free;
+	}
+
+	pcmds->cmds = kcalloc(cnt, sizeof(struct spi_cmd_desc),
+						GFP_KERNEL);
+	if (!pcmds->cmds)
+		goto exit_free;
+
+	pcmds->cmd_cnt = cnt;
+	pcmds->buf = buf;
+	pcmds->blen = blen;
+
+	bp = buf;
+	len = blen;
+	for (i = 0; i < cnt; i++) {
+		dchdr = (struct spi_ctrl_hdr *)bp;
+		len -= sizeof(*dchdr);
+		bp += sizeof(*dchdr);
+		pcmds->cmds[i].dchdr = *dchdr;
+		pcmds->cmds[i].command = bp;
+		pcmds->cmds[i].parameter = bp + sizeof(char);
+		bp += dchdr->dlen;
+		len -= dchdr->dlen;
+	}
+
+	pr_debug("%s: dcs_cmd=%x, len=%d, cmd_cnt=%d\n", __func__,
+		pcmds->buf[0], pcmds->blen, pcmds->cmd_cnt);
+
+	return 0;
+
+exit_free:
+	kfree(buf);
+	return -ENOMEM;
+}
+static int mdss_spi_panel_parse_reset_seq(struct device_node *np,
+		u32 rst_seq[MDSS_SPI_RST_SEQ_LEN], u32 *rst_len,
+		const char *name)
+{
+	int num = 0, i;
+	int rc;
+	struct property *data;
+	u32 tmp[MDSS_SPI_RST_SEQ_LEN];
+
+	*rst_len = 0;
+	data = of_find_property(np, name, &num);
+	num /= sizeof(u32);
+	if (!data || !num || num > MDSS_SPI_RST_SEQ_LEN || num % 2) {
+		pr_err("%s:%d, error reading %s, length found = %d\n",
+			__func__, __LINE__, name, num);
+	} else {
+		rc = of_property_read_u32_array(np, name, tmp, num);
+		if (rc)
+			pr_err("%s:%d, error reading %s, rc = %d\n",
+				__func__, __LINE__, name, rc);
+		else {
+			for (i = 0; i < num; ++i)
+				rst_seq[i] = tmp[i];
+			*rst_len = num;
+		}
+	}
+	return 0;
+}
+
+static bool mdss_send_panel_cmd_for_esd(struct spi_panel_data *ctrl_pdata)
+{
+
+	if (ctrl_pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return false;
+	}
+
+	mutex_lock(&ctrl_pdata->spi_tx_mutex);
+	mdss_spi_panel_on(&ctrl_pdata->panel_data);
+	mutex_unlock(&ctrl_pdata->spi_tx_mutex);
+
+	return true;
+}
+
+static bool mdss_spi_reg_status_check(struct spi_panel_data *ctrl_pdata)
+{
+	int ret = 0;
+	int i = 0;
+
+	if (ctrl_pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return false;
+	}
+
+	pr_debug("%s: Checking Register status\n", __func__);
+
+	ret = mdss_spi_read_panel_data(&ctrl_pdata->panel_data,
+					ctrl_pdata->panel_status_reg,
+					ctrl_pdata->act_status_value,
+					ctrl_pdata->status_cmds_rlen);
+	if (ret < 0) {
+		pr_err("%s: Read status register returned error\n", __func__);
+	} else {
+		for (i = 0; i < ctrl_pdata->status_cmds_rlen; i++) {
+			pr_debug("act_value[%d] = %x, exp_value[%d] = %x\n",
+					i, ctrl_pdata->act_status_value[i],
+					i, ctrl_pdata->exp_status_value[i]);
+			if (ctrl_pdata->act_status_value[i] !=
+					ctrl_pdata->exp_status_value[i])
+				return false;
+		}
+	}
+
+	return true;
+}
+
+static void mdss_spi_parse_esd_params(struct device_node *np,
+		struct spi_panel_data	*ctrl)
+{
+	u32 tmp;
+	int rc;
+	struct property *data;
+	const char *string;
+	struct mdss_panel_info *pinfo = &ctrl->panel_data.panel_info;
+
+	pinfo->esd_check_enabled = of_property_read_bool(np,
+		"qcom,esd-check-enabled");
+
+	if (!pinfo->esd_check_enabled)
+		return;
+
+	ctrl->status_mode = SPI_ESD_MAX;
+
+	rc = of_property_read_string(np,
+			"qcom,mdss-spi-panel-status-check-mode", &string);
+	if (!rc) {
+		if (!strcmp(string, "reg_read")) {
+			ctrl->status_mode = SPI_ESD_REG;
+			ctrl->check_status =
+				mdss_spi_reg_status_check;
+		} else if (!strcmp(string, "send_init_command")) {
+			ctrl->status_mode = SPI_SEND_PANEL_COMMAND;
+			ctrl->check_status =
+				mdss_send_panel_cmd_for_esd;
+				return;
+		} else {
+			pr_err("No valid panel-status-check-mode string\n");
+			pinfo->esd_check_enabled = false;
+			return;
+		}
+	}
+
+	rc = of_property_read_u8(np, "qcom,mdss-spi-panel-status-reg",
+				&ctrl->panel_status_reg);
+	if (rc) {
+		pr_warn("%s:%d, Read status reg failed, disable ESD check\n",
+				__func__, __LINE__);
+		pinfo->esd_check_enabled = false;
+		return;
+	}
+
+	rc = of_property_read_u32(np, "qcom,mdss-spi-panel-status-read-length",
+					&tmp);
+	if (rc) {
+		pr_warn("%s:%d, Read reg length failed, disable ESD check\n",
+				__func__, __LINE__);
+		pinfo->esd_check_enabled = false;
+		return;
+	}
+
+	ctrl->status_cmds_rlen = (!rc ? tmp : 1);
+
+	ctrl->exp_status_value = kzalloc(sizeof(u8) *
+				 (ctrl->status_cmds_rlen + 1), GFP_KERNEL);
+	ctrl->act_status_value = kzalloc(sizeof(u8) *
+				(ctrl->status_cmds_rlen + 1), GFP_KERNEL);
+
+	if (!ctrl->exp_status_value || !ctrl->act_status_value) {
+		pr_err("%s: Error allocating memory for status buffer\n",
+						__func__);
+		pinfo->esd_check_enabled = false;
+		return;
+	}
+
+	data = of_find_property(np, "qcom,mdss-spi-panel-status-value", &tmp);
+	tmp /= sizeof(u8);
+	if (!data || (tmp != ctrl->status_cmds_rlen)) {
+		pr_err("%s: Panel status values not found\n", __func__);
+		pinfo->esd_check_enabled = false;
+		memset(ctrl->exp_status_value, 0, ctrl->status_cmds_rlen);
+	} else {
+		rc = of_property_read_u8_array(np,
+			"qcom,mdss-spi-panel-status-value",
+			ctrl->exp_status_value, tmp);
+		if (rc) {
+			pr_err("%s: Error reading panel status values\n",
+				__func__);
+			pinfo->esd_check_enabled = false;
+			memset(ctrl->exp_status_value, 0,
+				ctrl->status_cmds_rlen);
+		}
+	}
+}
+
+static int mdss_spi_panel_parse_dt(struct device_node *np,
+		struct spi_panel_data	*ctrl_pdata)
+{
+	u32 tmp;
+	int rc;
+	const char *data;
+	struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
+
+	pinfo->cont_splash_enabled = of_property_read_bool(np,
+					"qcom,cont-splash-enabled");
+
+	rc = of_property_read_u32(np, "qcom,mdss-spi-panel-width", &tmp);
+	if (rc) {
+		pr_err("%s: panel width not specified\n", __func__);
+		return -EINVAL;
+	}
+	pinfo->xres = (!rc ? tmp : 240);
+
+	rc = of_property_read_u32(np, "qcom,mdss-spi-panel-height", &tmp);
+	if (rc) {
+		pr_err("%s:panel height not specified\n", __func__);
+		return -EINVAL;
+	}
+	pinfo->yres = (!rc ? tmp : 320);
+
+	rc = of_property_read_u32(np,
+		"qcom,mdss-pan-physical-width-dimension", &tmp);
+	pinfo->physical_width = (!rc ? tmp : 0);
+	rc = of_property_read_u32(np,
+		"qcom,mdss-pan-physical-height-dimension", &tmp);
+	pinfo->physical_height = (!rc ? tmp : 0);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-panel-framerate", &tmp);
+	pinfo->spi.frame_rate = (!rc ? tmp : 30);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-h-front-porch", &tmp);
+	pinfo->lcdc.h_front_porch = (!rc ? tmp : 6);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-h-back-porch", &tmp);
+	pinfo->lcdc.h_back_porch = (!rc ? tmp : 6);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-h-pulse-width", &tmp);
+	pinfo->lcdc.h_pulse_width = (!rc ? tmp : 2);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-h-sync-skew", &tmp);
+	pinfo->lcdc.hsync_skew = (!rc ? tmp : 0);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-v-back-porch", &tmp);
+	pinfo->lcdc.v_back_porch = (!rc ? tmp : 6);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-v-front-porch", &tmp);
+	pinfo->lcdc.v_front_porch = (!rc ? tmp : 6);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-v-pulse-width", &tmp);
+	pinfo->lcdc.v_pulse_width = (!rc ? tmp : 2);
+
+
+	rc = of_property_read_u32(np, "qcom,mdss-spi-bpp", &tmp);
+	if (rc) {
+		pr_err("%s: bpp not specified\n", __func__);
+		return -EINVAL;
+	}
+	pinfo->bpp = (!rc ? tmp : 16);
+
+	pinfo->pdest = DISPLAY_1;
+
+	ctrl_pdata->bklt_ctrl = SPI_UNKNOWN_CTRL;
+	data = of_get_property(np, "qcom,mdss-spi-bl-pmic-control-type", NULL);
+	if (data) {
+		if (!strcmp(data, "bl_ctrl_wled")) {
+			led_trigger_register_simple("bkl-trigger",
+				&bl_led_trigger);
+			pr_debug("%s: SUCCESS-> WLED TRIGGER register\n",
+				__func__);
+			ctrl_pdata->bklt_ctrl = SPI_BL_WLED;
+		} else if (!strcmp(data, "bl_gpio_pulse")) {
+			led_trigger_register_simple("gpio-bklt-trigger",
+				&bl_led_trigger);
+			pr_debug("%s: SUCCESS-> GPIO PULSE TRIGGER register\n",
+				__func__);
+			ctrl_pdata->bklt_ctrl = SPI_BL_WLED;
+		} else if (!strcmp(data, "bl_ctrl_pwm")) {
+			ctrl_pdata->bklt_ctrl = SPI_BL_PWM;
+			ctrl_pdata->pwm_pmi = of_property_read_bool(np,
+					"qcom,mdss-spi-bl-pwm-pmi");
+			rc = of_property_read_u32(np,
+				"qcom,mdss-spi-bl-pmic-pwm-frequency", &tmp);
+			if (rc) {
+				pr_err("%s: Error, panel pwm_period\n",
+					 __func__);
+				return -EINVAL;
+			}
+			ctrl_pdata->pwm_period = tmp;
+			if (ctrl_pdata->pwm_pmi) {
+				ctrl_pdata->pwm_bl = of_pwm_get(np, NULL);
+				if (IS_ERR(ctrl_pdata->pwm_bl)) {
+					pr_err("%s: Error, pwm device\n",
+							__func__);
+					ctrl_pdata->pwm_bl = NULL;
+					return -EINVAL;
+				}
+			} else {
+				rc = of_property_read_u32(np,
+					"qcom,mdss-spi-bl-pmic-bank-select",
+								 &tmp);
+				if (rc) {
+					pr_err("%s: Error, lpg channel\n",
+						__func__);
+					return -EINVAL;
+				}
+				ctrl_pdata->pwm_lpg_chan = tmp;
+				tmp = of_get_named_gpio(np,
+					"qcom,mdss-spi-pwm-gpio", 0);
+				ctrl_pdata->pwm_pmic_gpio = tmp;
+				pr_debug("%s: Configured PWM bklt ctrl\n",
+								 __func__);
+			}
+		}
+	}
+	rc = of_property_read_u32(np, "qcom,mdss-brightness-max-level", &tmp);
+	pinfo->brightness_max = (!rc ? tmp : MDSS_MAX_BL_BRIGHTNESS);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-bl-min-level", &tmp);
+	pinfo->bl_min = (!rc ? tmp : 0);
+	rc = of_property_read_u32(np, "qcom,mdss-spi-bl-max-level", &tmp);
+	pinfo->bl_max = (!rc ? tmp : 255);
+	ctrl_pdata->bklt_max = pinfo->bl_max;
+
+
+	mdss_spi_panel_parse_reset_seq(np, pinfo->rst_seq,
+					&(pinfo->rst_seq_len),
+					"qcom,mdss-spi-reset-sequence");
+
+	mdss_spi_panel_parse_cmds(np, &ctrl_pdata->on_cmds,
+		"qcom,mdss-spi-on-command");
+
+	mdss_spi_panel_parse_cmds(np, &ctrl_pdata->off_cmds,
+		"qcom,mdss-spi-off-command");
+
+	mdss_spi_parse_esd_params(np, ctrl_pdata);
+
+
+	return 0;
+}
+
+static void mdss_spi_panel_pwm_cfg(struct spi_panel_data *ctrl)
+{
+	if (ctrl->pwm_pmi)
+		return;
+
+	ctrl->pwm_bl = pwm_request(ctrl->pwm_lpg_chan, "lcd-bklt");
+	if (ctrl->pwm_bl == NULL || IS_ERR(ctrl->pwm_bl)) {
+		pr_err("%s: Error: lpg_chan=%d pwm request failed",
+				__func__, ctrl->pwm_lpg_chan);
+	}
+	ctrl->pwm_enabled = 0;
+}
+
+static void mdss_spi_panel_bklt_pwm(struct spi_panel_data *ctrl, int level)
+{
+	int ret;
+	u32 duty;
+	u32 period_ns;
+
+	if (ctrl->pwm_bl == NULL) {
+		pr_err("%s: no PWM\n", __func__);
+		return;
+	}
+
+	if (level == 0) {
+		if (ctrl->pwm_enabled) {
+			ret = pwm_config_us(ctrl->pwm_bl, level,
+					ctrl->pwm_period);
+			if (ret)
+				pr_err("%s: pwm_config_us() failed err=%d.\n",
+						__func__, ret);
+			pwm_disable(ctrl->pwm_bl);
+		}
+		ctrl->pwm_enabled = 0;
+		return;
+	}
+
+	duty = level * ctrl->pwm_period;
+	duty /= ctrl->bklt_max;
+
+	pr_debug("%s: bklt_ctrl=%d pwm_period=%d pwm_gpio=%d pwm_lpg_chan=%d\n",
+			__func__, ctrl->bklt_ctrl, ctrl->pwm_period,
+				ctrl->pwm_pmic_gpio, ctrl->pwm_lpg_chan);
+
+	if (ctrl->pwm_period >= USEC_PER_SEC) {
+		ret = pwm_config_us(ctrl->pwm_bl, duty, ctrl->pwm_period);
+		if (ret) {
+			pr_err("%s: pwm_config_us() failed err=%d\n",
+					__func__, ret);
+			return;
+		}
+	} else {
+		period_ns = ctrl->pwm_period * NSEC_PER_USEC;
+		ret = pwm_config(ctrl->pwm_bl,
+				level * period_ns / ctrl->bklt_max,
+				period_ns);
+		if (ret) {
+			pr_err("%s: pwm_config() failed err=%d\n",
+					__func__, ret);
+			return;
+		}
+	}
+
+	if (!ctrl->pwm_enabled) {
+		ret = pwm_enable(ctrl->pwm_bl);
+		if (ret)
+			pr_err("%s: pwm_enable() failed err=%d\n", __func__,
+				ret);
+		ctrl->pwm_enabled = 1;
+	}
+}
+
+static void mdss_spi_panel_bl_ctrl(struct mdss_panel_data *pdata,
+							u32 bl_level)
+{
+	if (bl_level) {
+		mdp3_res->bklt_level = bl_level;
+		mdp3_res->bklt_update = true;
+	} else {
+		mdss_spi_panel_bl_ctrl_update(pdata, bl_level);
+	}
+}
+
+#if defined(CONFIG_FB_MSM_MDSS_SPI_PANEL) && defined(CONFIG_SPI_QUP)
+void mdss_spi_panel_bl_ctrl_update(struct mdss_panel_data *pdata,
+							u32 bl_level)
+{
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return;
+	}
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	if ((bl_level < pdata->panel_info.bl_min) && (bl_level != 0))
+		bl_level = pdata->panel_info.bl_min;
+
+	switch (ctrl_pdata->bklt_ctrl) {
+	case SPI_BL_WLED:
+		led_trigger_event(bl_led_trigger, bl_level);
+		break;
+	case SPI_BL_PWM:
+		mdss_spi_panel_bklt_pwm(ctrl_pdata, bl_level);
+		break;
+	default:
+		pr_err("%s: Unknown bl_ctrl configuration %d\n",
+			__func__, ctrl_pdata->bklt_ctrl);
+		break;
+	}
+}
+#endif
+
+static int mdss_spi_panel_init(struct device_node *node,
+	struct spi_panel_data	*ctrl_pdata,
+	bool cmd_cfg_cont_splash)
+{
+	int rc = 0;
+	static const char *panel_name;
+	struct mdss_panel_info *pinfo;
+
+	if (!node || !ctrl_pdata) {
+		pr_err("%s: Invalid arguments\n", __func__);
+		return -ENODEV;
+	}
+
+	pinfo = &ctrl_pdata->panel_data.panel_info;
+
+	pr_debug("%s:%d\n", __func__, __LINE__);
+	pinfo->panel_name[0] = '\0';
+	panel_name = of_get_property(node, "qcom,mdss-spi-panel-name", NULL);
+	if (!panel_name) {
+		pr_info("%s:%d, Panel name not specified\n",
+						__func__, __LINE__);
+	} else {
+		pr_debug("%s: Panel Name = %s\n", __func__, panel_name);
+		strlcpy(&pinfo->panel_name[0], panel_name, MDSS_MAX_PANEL_LEN);
+	}
+	rc = mdss_spi_panel_parse_dt(node, ctrl_pdata);
+	if (rc) {
+		pr_err("%s:%d panel dt parse failed\n", __func__, __LINE__);
+		return rc;
+	}
+
+	ctrl_pdata->byte_pre_frame = pinfo->xres * pinfo->yres * pinfo->bpp/8;
+
+	ctrl_pdata->tx_buf = kmalloc(ctrl_pdata->byte_pre_frame, GFP_KERNEL);
+
+	if (!cmd_cfg_cont_splash)
+		pinfo->cont_splash_enabled = false;
+
+	pr_info("%s: Continuous splash %s\n", __func__,
+		pinfo->cont_splash_enabled ? "enabled" : "disabled");
+
+	pinfo->dynamic_switch_pending = false;
+	pinfo->is_lpm_mode = false;
+	pinfo->esd_rdy = false;
+
+	ctrl_pdata->on = mdss_spi_panel_on;
+	ctrl_pdata->off = mdss_spi_panel_off;
+	ctrl_pdata->panel_data.set_backlight = mdss_spi_panel_bl_ctrl;
+
+	return 0;
+}
+
+static int mdss_spi_get_panel_cfg(char *panel_cfg,
+				struct spi_panel_data	*ctrl_pdata)
+{
+	int rc;
+	struct mdss_panel_cfg *pan_cfg = NULL;
+
+	if (!ctrl_pdata)
+		return MDSS_PANEL_INTF_INVALID;
+
+	pan_cfg = ctrl_pdata->mdss_util->panel_intf_type(MDSS_PANEL_INTF_SPI);
+	if (IS_ERR(pan_cfg)) {
+		return PTR_ERR(pan_cfg);
+	} else if (!pan_cfg) {
+		panel_cfg[0] = 0;
+		return 0;
+	}
+
+	pr_debug("%s:%d: cfg:[%s]\n", __func__, __LINE__,
+		 pan_cfg->arg_cfg);
+	ctrl_pdata->panel_data.panel_info.is_prim_panel = true;
+	rc = strlcpy(panel_cfg, pan_cfg->arg_cfg,
+		     sizeof(pan_cfg->arg_cfg));
+	return rc;
+}
+
+static int mdss_spi_panel_regulator_init(struct platform_device *pdev)
+{
+	int rc = 0;
+
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	if (!pdev) {
+		pr_err("%s: invalid input\n", __func__);
+		return -EINVAL;
+	}
+
+	ctrl_pdata = platform_get_drvdata(pdev);
+	if (!ctrl_pdata) {
+		pr_err("%s: invalid driver data\n", __func__);
+		return -EINVAL;
+	}
+
+	rc = msm_mdss_config_vreg(&pdev->dev,
+		ctrl_pdata->panel_power_data.vreg_config,
+		ctrl_pdata->panel_power_data.num_vreg, 1);
+	if (rc)
+		pr_err("%s: failed to init vregs for %s\n",
+			__func__, "PANEL_PM");
+
+	return rc;
+
+}
+
+static irqreturn_t spi_panel_te_handler(int irq, void *data)
+{
+	struct spi_panel_data *ctrl_pdata = (struct spi_panel_data *)data;
+	static int count = 2;
+
+	if (!ctrl_pdata) {
+		pr_err("%s: SPI display not available\n", __func__);
+		return IRQ_HANDLED;
+	}
+	complete(&ctrl_pdata->spi_panel_te);
+
+	if (ctrl_pdata->vsync_client.handler && !(--count)) {
+		ctrl_pdata->vsync_client.handler(ctrl_pdata->vsync_client.arg);
+		count = 2;
+	}
+
+	return IRQ_HANDLED;
+}
+
+void mdp3_spi_vsync_enable(struct mdss_panel_data *pdata,
+				struct mdp3_notification *vsync_client)
+{
+	int updated = 0;
+	struct spi_panel_data *ctrl_pdata = NULL;
+
+	if (pdata == NULL) {
+		pr_err("%s: Invalid input data\n", __func__);
+		return;
+	}
+
+	ctrl_pdata = container_of(pdata, struct spi_panel_data,
+				panel_data);
+
+	if (vsync_client) {
+		if (ctrl_pdata->vsync_client.handler != vsync_client->handler) {
+			ctrl_pdata->vsync_client = *vsync_client;
+			updated = 1;
+		}
+	} else {
+		if (ctrl_pdata->vsync_client.handler) {
+			ctrl_pdata->vsync_client.handler = NULL;
+			ctrl_pdata->vsync_client.arg = NULL;
+			updated = 1;
+		}
+	}
+
+	if (updated) {
+		if (vsync_client && vsync_client->handler)
+			enable_spi_panel_te_irq(ctrl_pdata, true);
+		else
+			enable_spi_panel_te_irq(ctrl_pdata, false);
+	}
+}
+
+static struct device_node *mdss_spi_pref_prim_panel(
+		struct platform_device *pdev)
+{
+	struct device_node *spi_pan_node = NULL;
+
+	pr_debug("%s:%d: Select primary panel from dt\n",
+					__func__, __LINE__);
+	spi_pan_node = of_parse_phandle(pdev->dev.of_node,
+					"qcom,spi-pref-prim-pan", 0);
+	if (!spi_pan_node)
+		pr_err("%s:can't find panel phandle\n", __func__);
+
+	return spi_pan_node;
+}
+
+static int spi_panel_device_register(struct device_node *pan_node,
+				struct spi_panel_data *ctrl_pdata)
+{
+	int rc;
+	struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info);
+	struct device_node *spi_ctrl_np = NULL;
+	struct platform_device *ctrl_pdev = NULL;
+
+	pinfo->type = SPI_PANEL;
+
+	spi_ctrl_np = of_parse_phandle(pan_node,
+				"qcom,mdss-spi-panel-controller", 0);
+	if (!spi_ctrl_np) {
+		pr_err("%s: SPI controller node not initialized\n", __func__);
+		return -EPROBE_DEFER;
+	}
+
+	ctrl_pdev = of_find_device_by_node(spi_ctrl_np);
+	if (!ctrl_pdev) {
+		of_node_put(spi_ctrl_np);
+		pr_err("%s: SPI controller node not find\n", __func__);
+		return -EPROBE_DEFER;
+	}
+
+	rc = mdss_spi_panel_regulator_init(ctrl_pdev);
+	if (rc) {
+		pr_err("%s: failed to init regulator, rc=%d\n",
+						__func__, rc);
+		return rc;
+	}
+
+	pinfo->panel_max_fps = mdss_panel_get_framerate(pinfo,
+		FPS_RESOLUTION_HZ);
+	pinfo->panel_max_vtotal = mdss_panel_get_vtotal(pinfo);
+
+	ctrl_pdata->disp_te_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
+		"qcom,platform-te-gpio", 0);
+	if (!gpio_is_valid(ctrl_pdata->disp_te_gpio))
+		pr_err("%s:%d, TE gpio not specified\n",
+						__func__, __LINE__);
+
+	ctrl_pdata->disp_dc_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
+		"qcom,platform-spi-dc-gpio", 0);
+	if (!gpio_is_valid(ctrl_pdata->disp_dc_gpio))
+		pr_err("%s:%d, SPI DC gpio not specified\n",
+						__func__, __LINE__);
+
+	ctrl_pdata->rst_gpio = of_get_named_gpio(ctrl_pdev->dev.of_node,
+			 "qcom,platform-reset-gpio", 0);
+	if (!gpio_is_valid(ctrl_pdata->rst_gpio))
+		pr_err("%s:%d, reset gpio not specified\n",
+						__func__, __LINE__);
+
+	ctrl_pdata->panel_data.event_handler = mdss_spi_panel_event_handler;
+
+	if (ctrl_pdata->bklt_ctrl == SPI_BL_PWM)
+		mdss_spi_panel_pwm_cfg(ctrl_pdata);
+
+	ctrl_pdata->ctrl_state = CTRL_STATE_UNKNOWN;
+
+	if (pinfo->cont_splash_enabled) {
+		rc = mdss_spi_panel_power_ctrl(&(ctrl_pdata->panel_data),
+			MDSS_PANEL_POWER_ON);
+		if (rc) {
+			pr_err("%s: Panel power on failed\n", __func__);
+			return rc;
+		}
+		if (ctrl_pdata->bklt_ctrl == SPI_BL_PWM)
+			ctrl_pdata->pwm_enabled = 1;
+		pinfo->blank_state = MDSS_PANEL_BLANK_UNBLANK;
+		ctrl_pdata->ctrl_state |=
+			(CTRL_STATE_PANEL_INIT | CTRL_STATE_MDP_ACTIVE);
+	} else {
+		pinfo->panel_power_state = MDSS_PANEL_POWER_OFF;
+	}
+
+	rc = mdss_register_panel(ctrl_pdev, &(ctrl_pdata->panel_data));
+	if (rc) {
+		pr_err("%s: unable to register SPI panel\n", __func__);
+		return rc;
+	}
+
+	pr_debug("%s: Panel data initialized\n", __func__);
+	return 0;
+}
+
+
+/**
+ * mdss_spi_find_panel_of_node(): find device node of spi panel
+ * @pdev: platform_device of the spi ctrl node
+ * @panel_cfg: string containing intf specific config data
+ *
+ * Function finds the panel device node using the interface
+ * specific configuration data. This configuration data is
+ * could be derived from the result of bootloader's GCDB
+ * panel detection mechanism. If such config data doesn't
+ * exist then this panel returns the default panel configured
+ * in the device tree.
+ *
+ * returns pointer to panel node on success, NULL on error.
+ */
+static struct device_node *mdss_spi_find_panel_of_node(
+		struct platform_device *pdev, char *panel_cfg)
+{
+	int len, i;
+	int ctrl_id = pdev->id - 1;
+	char panel_name[MDSS_MAX_PANEL_LEN] = "";
+	char ctrl_id_stream[3] =  "0:";
+	char *stream = NULL, *pan = NULL;
+	struct device_node *spi_pan_node = NULL, *mdss_node = NULL;
+
+	len = strlen(panel_cfg);
+	if (!len) {
+		/* no panel cfg chg, parse dt */
+		pr_err("%s:%d: no cmd line cfg present\n",
+			 __func__, __LINE__);
+		goto end;
+	} else {
+		if (ctrl_id == 1)
+			strlcpy(ctrl_id_stream, "1:", 3);
+
+		stream = strnstr(panel_cfg, ctrl_id_stream, len);
+		if (!stream) {
+			pr_err("controller config is not present\n");
+			goto end;
+		}
+		stream += 2;
+
+		pan = strnchr(stream, strlen(stream), ':');
+		if (!pan) {
+			strlcpy(panel_name, stream, MDSS_MAX_PANEL_LEN);
+		} else {
+			for (i = 0; (stream + i) < pan; i++)
+				panel_name[i] = *(stream + i);
+			panel_name[i] = 0;
+		}
+
+		pr_debug("%s:%d:%s:%s\n", __func__, __LINE__,
+			 panel_cfg, panel_name);
+
+		mdss_node = of_parse_phandle(pdev->dev.of_node,
+					     "qcom,mdss-mdp", 0);
+		if (!mdss_node) {
+			pr_err("%s: %d: mdss_node null\n",
+			       __func__, __LINE__);
+			return NULL;
+		}
+
+		spi_pan_node = of_find_node_by_name(mdss_node,
+						    panel_name);
+		if (!spi_pan_node) {
+			pr_err("%s: invalid pan node, selecting prim panel\n",
+			       __func__);
+			goto end;
+		}
+		return spi_pan_node;
+	}
+end:
+	if (strcmp(panel_name, NONE_PANEL))
+		spi_pan_node = mdss_spi_pref_prim_panel(pdev);
+	of_node_put(mdss_node);
+	return spi_pan_node;
+}
+
+
+static int mdss_spi_panel_probe(struct platform_device *pdev)
+{
+	int rc = 0;
+	struct spi_panel_data	*ctrl_pdata;
+	struct mdss_panel_cfg *pan_cfg = NULL;
+	struct device_node *spi_pan_node = NULL;
+	bool cmd_cfg_cont_splash = true;
+	char panel_cfg[MDSS_MAX_PANEL_LEN];
+	struct mdss_util_intf *util;
+	const char *ctrl_name;
+
+	util = mdss_get_util_intf();
+	if (util == NULL) {
+		pr_err("Failed to get mdss utility functions\n");
+		return -ENODEV;
+	}
+
+	if (!util->mdp_probe_done) {
+		pr_err("%s: MDP not probed yet\n", __func__);
+		return -EPROBE_DEFER;
+	}
+
+	if (!pdev->dev.of_node) {
+		pr_err("SPI driver only supports device tree probe\n");
+		return -ENOTSUPP;
+	}
+
+	pan_cfg = util->panel_intf_type(MDSS_PANEL_INTF_DSI);
+	if (IS_ERR(pan_cfg)) {
+		pr_err("%s: return MDSS_PANEL_INTF_DSI\n", __func__);
+		return PTR_ERR(pan_cfg);
+	} else if (pan_cfg) {
+		pr_err("%s: DSI is primary\n", __func__);
+		return -ENODEV;
+	}
+
+	ctrl_pdata = platform_get_drvdata(pdev);
+	if (!ctrl_pdata) {
+		ctrl_pdata = devm_kzalloc(&pdev->dev,
+					  sizeof(struct spi_panel_data),
+					  GFP_KERNEL);
+		if (!ctrl_pdata) {
+			pr_err("%s: FAILED: cannot alloc spi panel\n",
+			       __func__);
+			rc = -ENOMEM;
+			goto error_no_mem;
+		}
+		platform_set_drvdata(pdev, ctrl_pdata);
+	}
+
+	ctrl_pdata->mdss_util = util;
+
+	ctrl_name = of_get_property(pdev->dev.of_node, "label", NULL);
+	if (!ctrl_name)
+		pr_info("%s:%d, Ctrl name not specified\n",
+			__func__, __LINE__);
+	else
+		pr_debug("%s: Ctrl name = %s\n",
+			__func__, ctrl_name);
+
+
+	rc = of_platform_populate(pdev->dev.of_node,
+				  NULL, NULL, &pdev->dev);
+	if (rc) {
+		dev_err(&pdev->dev,
+			"%s: failed to add child nodes, rc=%d\n",
+			__func__, rc);
+		goto error_no_mem;
+	}
+
+	rc = mdss_spi_panel_pinctrl_init(pdev);
+	if (rc)
+		pr_warn("%s: failed to get pin resources\n", __func__);
+
+	rc = mdss_spi_get_panel_vreg_data(&pdev->dev,
+					&ctrl_pdata->panel_power_data);
+	if (rc) {
+		dev_err(&pdev->dev,
+			"%s: failed to get panel vreg data, rc=%d\n",
+			__func__, rc);
+		goto error_vreg;
+	}
+
+	/* SPI panels can be different between controllers */
+	rc = mdss_spi_get_panel_cfg(panel_cfg, ctrl_pdata);
+	if (!rc)
+		/* spi panel cfg not present */
+		pr_warn("%s:%d:spi specific cfg not present\n",
+			__func__, __LINE__);
+
+	/* find panel device node */
+	spi_pan_node = mdss_spi_find_panel_of_node(pdev, panel_cfg);
+	if (!spi_pan_node) {
+		pr_err("%s: can't find panel node %s\n", __func__, panel_cfg);
+		goto error_pan_node;
+	}
+
+	cmd_cfg_cont_splash = true;
+
+	rc = mdss_spi_panel_init(spi_pan_node, ctrl_pdata, cmd_cfg_cont_splash);
+	if (rc) {
+		pr_err("%s: spi panel init failed\n", __func__);
+		goto error_pan_node;
+	}
+
+	rc = spi_panel_device_register(spi_pan_node, ctrl_pdata);
+	if (rc) {
+		pr_err("%s: spi panel dev reg failed\n", __func__);
+		goto error_pan_node;
+	}
+
+	ctrl_pdata->panel_data.event_handler = mdss_spi_panel_event_handler;
+
+
+	init_completion(&ctrl_pdata->spi_panel_te);
+	mutex_init(&ctrl_pdata->spi_tx_mutex);
+
+	rc = devm_request_irq(&pdev->dev,
+		gpio_to_irq(ctrl_pdata->disp_te_gpio),
+		spi_panel_te_handler, IRQF_TRIGGER_RISING,
+		"TE_GPIO", ctrl_pdata);
+	if (rc) {
+		pr_err("TE request_irq failed.\n");
+		return rc;
+	}
+
+	pr_debug("%s: spi panel  initialized\n", __func__);
+	return 0;
+
+error_pan_node:
+	of_node_put(spi_pan_node);
+error_vreg:
+	mdss_spi_put_dt_vreg_data(&pdev->dev,
+			&ctrl_pdata->panel_power_data);
+error_no_mem:
+	devm_kfree(&pdev->dev, ctrl_pdata);
+	return rc;
+}
+
+
+static const struct of_device_id mdss_spi_panel_match[] = {
+	{ .compatible = "qcom,mdss-spi-display" },
+	{},
+};
+
+static struct platform_driver this_driver = {
+	.probe = mdss_spi_panel_probe,
+	.driver = {
+		.name = "spi_panel",
+		.owner  = THIS_MODULE,
+		.of_match_table = mdss_spi_panel_match,
+	},
+};
+
+static int __init mdss_spi_display_init(void)
+{
+	int ret;
+
+	ret = platform_driver_register(&this_driver);
+	return 0;
+}
+module_init(mdss_spi_display_init);
+
+MODULE_DEVICE_TABLE(of, mdss_spi_panel_match);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/fbdev/msm/mdss_spi_panel.h b/drivers/video/fbdev/msm/mdss_spi_panel.h
new file mode 100644
index 0000000..80b7ea8
--- /dev/null
+++ b/drivers/video/fbdev/msm/mdss_spi_panel.h
@@ -0,0 +1,148 @@
+/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MDSS_SPI_PANEL_H__
+#define __MDSS_SPI_PANEL_H__
+
+#if defined(CONFIG_FB_MSM_MDSS_SPI_PANEL) && defined(CONFIG_SPI_QUP)
+#include <linux/list.h>
+#include <linux/mdss_io_util.h>
+#include <linux/irqreturn.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/gpio.h>
+
+#include "mdss_panel.h"
+#include "mdp3_dma.h"
+
+#define MDSS_MAX_BL_BRIGHTNESS 255
+
+#define MDSS_SPI_RST_SEQ_LEN	10
+
+#define NONE_PANEL "none"
+
+#define CTRL_STATE_UNKNOWN		0x00
+#define CTRL_STATE_PANEL_INIT		BIT(0)
+#define CTRL_STATE_MDP_ACTIVE		BIT(1)
+
+#define MDSS_PINCTRL_STATE_DEFAULT "mdss_default"
+#define MDSS_PINCTRL_STATE_SLEEP  "mdss_sleep"
+#define SPI_PANEL_TE_TIMEOUT	400
+
+enum spi_panel_data_type {
+	panel_cmd,
+	panel_parameter,
+	panel_pixel,
+	UNKNOWN_FORMAT,
+};
+
+enum spi_panel_bl_ctrl {
+	SPI_BL_PWM,
+	SPI_BL_WLED,
+	SPI_BL_DCS_CMD,
+	SPI_UNKNOWN_CTRL,
+};
+
+struct spi_pinctrl_res {
+	struct pinctrl *pinctrl;
+	struct pinctrl_state *gpio_state_active;
+	struct pinctrl_state *gpio_state_suspend;
+};
+#define SPI_PANEL_DST_FORMAT_RGB565		0
+
+struct spi_ctrl_hdr {
+	char wait;	/* ms */
+	char dlen;	/* 8 bits */
+};
+
+struct spi_cmd_desc {
+	struct spi_ctrl_hdr dchdr;
+	char *command;
+	char *parameter;
+};
+
+struct spi_panel_cmds {
+	char *buf;
+	int blen;
+	struct spi_cmd_desc *cmds;
+	int cmd_cnt;
+};
+
+enum spi_panel_status_mode {
+	SPI_ESD_REG,
+	SPI_SEND_PANEL_COMMAND,
+	SPI_ESD_MAX,
+};
+
+
+struct spi_panel_data {
+	struct mdss_panel_data panel_data;
+	struct mdss_util_intf *mdss_util;
+	struct spi_pinctrl_res pin_res;
+	struct mdss_module_power panel_power_data;
+	struct completion spi_panel_te;
+	struct mdp3_notification vsync_client;
+	unsigned int vsync_status;
+	int byte_pre_frame;
+	char *tx_buf;
+	u8 ctrl_state;
+	int disp_te_gpio;
+	int rst_gpio;
+	int disp_dc_gpio;	/* command or data */
+	struct spi_panel_cmds on_cmds;
+	struct spi_panel_cmds off_cmds;
+	bool (*check_status)(struct spi_panel_data *pdata);
+	int (*on)(struct mdss_panel_data *pdata);
+	int (*off)(struct mdss_panel_data *pdata);
+	struct mutex spi_tx_mutex;
+	struct pwm_device *pwm_bl;
+	int bklt_ctrl;	/* backlight ctrl */
+	bool pwm_pmi;
+	int pwm_period;
+	int pwm_pmic_gpio;
+	int pwm_lpg_chan;
+	int pwm_enabled;
+	int bklt_max;
+	int status_mode;
+	u32 status_cmds_rlen;
+	u8 panel_status_reg;
+	u8 *exp_status_value;
+	u8 *act_status_value;
+	unsigned char *return_buf;
+};
+
+int mdss_spi_panel_kickoff(struct mdss_panel_data *pdata,
+				char *buf, int len, int stride);
+int is_spi_panel_continuous_splash_on(struct mdss_panel_data *pdata);
+void mdp3_spi_vsync_enable(struct mdss_panel_data *pdata,
+				struct mdp3_notification *vsync_client);
+void mdp3_check_spi_panel_status(struct work_struct *work,
+				uint32_t interval);
+
+#else
+static inline int mdss_spi_panel_kickoff(struct mdss_panel_data *pdata,
+				char *buf, int len, int stride){
+	return 0;
+}
+static inline int is_spi_panel_continuous_splash_on(
+				struct mdss_panel_data *pdata)
+{
+	return 0;
+}
+static inline int mdp3_spi_vsync_enable(struct mdss_panel_data *pdata,
+			struct mdp3_notification *vsync_client){
+	return 0;
+}
+
+#endif/* End of CONFIG_FB_MSM_MDSS_SPI_PANEL && ONFIG_SPI_QUP */
+
+#endif /* End of __MDSS_SPI_PANEL_H__ */
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 78c2a9f..ad6d53d 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -286,6 +286,9 @@
 	POWER_SUPPLY_PROP_BATTERY_INFO,
 	POWER_SUPPLY_PROP_BATTERY_INFO_ID,
 	POWER_SUPPLY_PROP_ENABLE_JEITA_DETECTION,
+	POWER_SUPPLY_PROP_ESR_ACTUAL,
+	POWER_SUPPLY_PROP_ESR_NOMINAL,
+	POWER_SUPPLY_PROP_SOH,
 	/* Local extensions of type int64_t */
 	POWER_SUPPLY_PROP_CHARGE_COUNTER_EXT,
 	/* Properties of type `const char *' */
diff --git a/include/uapi/linux/qg-profile.h b/include/uapi/linux/qg-profile.h
index bffddbb..0230b32 100644
--- a/include/uapi/linux/qg-profile.h
+++ b/include/uapi/linux/qg-profile.h
@@ -55,6 +55,8 @@
 #define QG_MAX_FCC_MAH				16000
 #define QG_MIN_SLOPE				1
 #define QG_MAX_SLOPE				50000
+#define QG_ESR_SF_MIN				5000
+#define QG_ESR_SF_MAX				20000
 
 /*  IOCTLs to query battery profile data */
 #define BPIOCXSOC	_IOWR('B', 0x01, struct battery_params) /* SOC */
diff --git a/include/uapi/linux/qg.h b/include/uapi/linux/qg.h
index 2194e1f..40882a7 100644
--- a/include/uapi/linux/qg.h
+++ b/include/uapi/linux/qg.h
@@ -19,7 +19,7 @@
 	QG_ESR_CHARGE_SF,
 	QG_ESR_DISCHARGE_SF,
 	QG_FULL_SOC,
-	QG_RESERVED_8,
+	QG_CLEAR_LEARNT_DATA,
 	QG_RESERVED_9,
 	QG_RESERVED_10,
 	QG_MAX,
@@ -32,6 +32,7 @@
 #define QG_ESR_CHARGE_SF QG_ESR_CHARGE_SF
 #define QG_ESR_DISCHARGE_SF QG_ESR_DISCHARGE_SF
 #define QG_FULL_SOC QG_FULL_SOC
+#define QG_CLEAR_LEARNT_DATA QG_CLEAR_LEARNT_DATA
 
 struct fifo_data {
 	unsigned int			v;
diff --git a/scripts/build-all.py b/scripts/build-all.py
index bd468cd..4a60ebc 100755
--- a/scripts/build-all.py
+++ b/scripts/build-all.py
@@ -59,12 +59,8 @@
 
 def check_kernel():
     """Ensure that PWD is a kernel directory"""
-    have_defconfig = any([
-        os.path.isfile('arch/arm64/configs/msm_defconfig'),
-        os.path.isfile('arch/arm64/configs/sdm845_defconfig')])
-
-    if not all([os.path.isfile('MAINTAINERS'), have_defconfig]):
-        fail("This doesn't seem to be an MSM kernel dir")
+    if not os.path.isfile('MAINTAINERS'):
+        fail("This doesn't seem to be a kernel dir")
 
 def check_build():
     """Ensure that the build directory is present."""