Merge remote-tracking branch 'sm8250/tracking-qcomlt-sm8250' into integration-linux-qcomlt

21 files changed, 471 insertions, 116 deletions

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 6b816eb33309..f8d111868b61 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -49,6 +49,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= msm8998-sony-xperia-yoshino-poplar.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-1000.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-4000.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= qrb5165-rb5.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= qrb5165-rb5-dual-dsi.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sa8155p-adp.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sc7180-idp.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sc7180-trogdor-coachz-r1.dtb
@@ -103,6 +104,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sm8150-sony-xperia-kumano-bahamut.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8150-sony-xperia-kumano-griffin.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-hdk.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-mtp.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-rb5-dvt.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-sony-xperia-edo-pdx203.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-sony-xperia-edo-pdx206.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= sm8350-hdk.dtb
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5-dual-dsi.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5-dual-dsi.dts
new file mode 100644
index 000000000000..56263752f60d
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5-dual-dsi.dts
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2020, Linaro Ltd.
+ */
+
+/dts-v1/;
+
+#include "qrb5165-rb5.dts"
+
+&dsi0 {
+	qcom,dual-dsi-mode;
+	qcom,master-dsi;
+};
+
+&dsi1 {
+	status = "okay";
+	vdda-supply = <&vreg_l9a_1p2>;
+
+	qcom,dual-dsi-mode;
+
+	ports {
+		port@1 {
+			endpoint {
+				remote-endpoint = <&lt9611_b>;
+				data-lanes = <0 1 2 3>;
+			};
+		};
+	};
+};
+
+&dsi1_phy {
+	status = "okay";
+	vdds-supply = <&vreg_l5a_0p88>;
+};
+
+&lt9611_codec {
+	ports {
+		port@1 {
+			reg = <1>;
+
+			lt9611_b: endpoint {
+				remote-endpoint = <&dsi1_out>;
+			};
+		};
+	};
+};
+
+&mdss_dp {
+	status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
index 756c83872220..6dc8a2954ea3 100644
--- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
+++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
@@ -914,6 +914,11 @@
 	no-emmc;
 };
 
+&slpi {
+	/* status = "okay"; */
+	firmware-name = "qcom/sm8250/slpi.mbn";
+};
+
 &sound {
 	compatible = "qcom,qrb5165-rb5-sndcard";
 	pinctrl-0 = <&tert_mi2s_active>;
diff --git a/arch/arm64/boot/dts/qcom/sm8250-mtp.dts b/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
index 5ffbcdd387ba..4471179176a3 100644
--- a/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
@@ -6,6 +6,9 @@
 /dts-v1/;
 
 #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
+#include <dt-bindings/sound/qcom,q6afe.h>
+#include <dt-bindings/sound/qcom,q6asm.h>
+#include <dt-bindings/gpio/gpio.h>
 #include "sm8250.dtsi"
 #include "pm8150.dtsi"
 #include "pm8150b.dtsi"
@@ -153,6 +156,20 @@
 		regulator-always-on;
 		vin-supply = <&vph_pwr>;
 	};
+
+	display_panel_avdd: display_gpio_regulator@1 {
+		compatible = "regulator-fixed";
+		regulator-name = "display_panel_avdd";
+		regulator-min-microvolt = <5500000>;
+		regulator-max-microvolt = <5500000>;
+		regulator-enable-ramp-delay = <233>;
+		gpio = <&tlmm 61 0>;
+		enable-active-high;
+		regulator-boot-on;
+		pinctrl-names = "default";
+		pinctrl-0 = <&display_panel_avdd_default>;
+	};
+
 };
 
 &adsp {
@@ -465,6 +482,47 @@
 	firmware-name = "qcom/sm8250/cdsp.mbn";
 };
 
+&dsi0 {
+	status = "okay";
+	vdda-supply = <&vreg_l9a_1p2>;
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	ports {
+		port@1 {
+			endpoint {
+				data-lanes = <0 1 2 3>;
+			};
+		};
+	};
+};
+
+&dsi0_phy {
+	status = "okay";
+	vdds-supply = <&vreg_l5a_0p875>;
+};
+
+#if 0
+&dsi1 {
+	status = "okay";
+	vdda-supply = <&vreg_l9a_1p2>;
+
+	ports {
+		port@1 {
+			endpoint {
+				data-lanes = <0 1 2 3>;
+			};
+		};
+	};
+};
+
+&dsi1_phy {
+	status = "okay";
+	vdds-supply = <&vreg_l5a_0p875>;
+};
+#endif
+
 &gmu {
 	status = "okay";
 };
@@ -498,6 +556,14 @@
 	/* rtc6226 @ 64 */
 };
 
+&mdss {
+	status = "okay";
+};
+
+&mdss_mdp {
+	status = "okay";
+};
+
 &pm8150_adc {
 	xo-therm@4c {
 		reg = <ADC5_XO_THERM_100K_PU>;
@@ -626,6 +692,21 @@
 
 &tlmm {
 	gpio-reserved-ranges = <28 4>, <40 4>;
+
+	display_panel_avdd_default: display_panel_avdd_default {
+                mux {
+                        pins = "gpio61";
+                        function = "gpio";
+                };
+
+                config {
+                        pins = "gpio61";
+                        drive-strength = <8>;
+                        bias-disable = <0>;
+                        output-high;
+                };
+        };
+
 };
 
 &uart12 {
@@ -696,6 +777,63 @@
 	vdda-pll-supply = <&vreg_l18a_0p9>;
 };
 
+&swr0 {
+	left_right: wsa8810-right{
+		compatible = "sdw10217211000";
+		reg = <0 2>;
+		powerdown-gpios = <&tlmm 127 GPIO_ACTIVE_HIGH>;
+		#thermal-sensor-cells = <0>;
+		sound-name-prefix = "SpkrRight";
+		#sound-dai-cells = <0>;
+	};
+
+	left_spkr: wsa8810-left{
+		compatible = "sdw10217211000";
+		reg = <0 1>;
+		powerdown-gpios = <&tlmm 26 GPIO_ACTIVE_HIGH>;
+		#thermal-sensor-cells = <0>;
+		sound-name-prefix = "SpkrLeft";
+		#sound-dai-cells = <0>;
+	};
+};
+
+&q6asmdai {
+	dai@0 {
+		reg = <0>;
+		direction = <2>;
+	};
+};
+
+&sound {
+	compatible = "qcom,sm8250-sndcard";
+	model = "SM8250";
+	audio-routing =
+		"SpkrLeft IN", "WSA_SPK1 OUT",
+		"MM_DL1",  "MultiMedia1 Playback";
+
+	mm1-dai-link {
+		link-name = "MultiMedia1";
+		cpu {
+			sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
+		};
+	};
+
+	dma-dai-link {
+		link-name = "WSA Playback";
+		cpu {
+			sound-dai = <&q6afedai WSA_CODEC_DMA_RX_0>;
+		};
+
+		platform {
+			sound-dai = <&q6routing>;
+		};
+
+		codec {
+			sound-dai = <&left_spkr>, <&swr0 0>, <&wsamacro 0>;
+		};
+	};
+};
+
 &venus {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/sm8250-rb5-dvt.dts b/arch/arm64/boot/dts/qcom/sm8250-rb5-dvt.dts
new file mode 100644
index 000000000000..47e14bb0f288
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/sm8250-rb5-dvt.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) 2020, Linaro Ltd.
+ */
+
+/dts-v1/;
+
+#include "qrb5165-rb5.dts"
+
+&left_spkr {
+	compatible = "sdw10217201000";
+	reg = <0 1>;
+};
+
+&right_spkr {
+	compatible = "sdw10217201000";
+	reg = <0 2>;
+};
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 6f6129b39c9c..8914a2f394d0 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -95,6 +95,9 @@
 			compatible = "qcom,kryo485";
 			reg = <0x0 0x0>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <448>;
 			dynamic-power-coefficient = <205>;
 			next-level-cache = <&L2_0>;
@@ -114,6 +117,9 @@
 			compatible = "qcom,kryo485";
 			reg = <0x0 0x100>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <448>;
 			dynamic-power-coefficient = <205>;
 			next-level-cache = <&L2_100>;
@@ -130,6 +136,9 @@
 			compatible = "qcom,kryo485";
 			reg = <0x0 0x200>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <448>;
 			dynamic-power-coefficient = <205>;
 			next-level-cache = <&L2_200>;
@@ -146,6 +155,9 @@
 			compatible = "qcom,kryo485";
 			reg = <0x0 0x300>;
 			enable-method = "psci";
+			cpu-idle-states = <&LITTLE_CPU_SLEEP_0
+					   &LITTLE_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <448>;
 			dynamic-power-coefficient = <205>;
 			next-level-cache = <&L2_300>;
@@ -162,6 +174,9 @@
 			compatible = "qcom,kryo485";
 			reg = <0x0 0x400>;
 			enable-method = "psci";
+			cpu-idle-states = <&BIG_CPU_SLEEP_0
+					   &BIG_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <379>;
 			next-level-cache = <&L2_400>;
@@ -178,6 +193,9 @@
 			compatible = "qcom,kryo485";
 			reg = <0x0 0x500>;
 			enable-method = "psci";
+			cpu-idle-states = <&BIG_CPU_SLEEP_0
+					   &BIG_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <379>;
 			next-level-cache = <&L2_500>;
@@ -195,6 +213,9 @@
 			compatible = "qcom,kryo485";
 			reg = <0x0 0x600>;
 			enable-method = "psci";
+			cpu-idle-states = <&BIG_CPU_SLEEP_0
+					   &BIG_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <379>;
 			next-level-cache = <&L2_600>;
@@ -211,6 +232,9 @@
 			compatible = "qcom,kryo485";
 			reg = <0x0 0x700>;
 			enable-method = "psci";
+			cpu-idle-states = <&BIG_CPU_SLEEP_0
+					   &BIG_CPU_SLEEP_1
+					   &CLUSTER_SLEEP_0>;
 			capacity-dmips-mhz = <1024>;
 			dynamic-power-coefficient = <444>;
 			next-level-cache = <&L2_700>;
@@ -257,6 +281,60 @@
 				};
 			};
 		};
+
+		idle-states {
+			entry-method = "psci";
+
+			LITTLE_CPU_SLEEP_0: cpu-sleep-0-0 {
+				compatible = "arm,idle-state";
+				idle-state-name = "little-power-down";
+				arm,psci-suspend-param = <0x40000003>;
+				entry-latency-us = <350>;
+				exit-latency-us = <461>;
+				min-residency-us = <1890>;
+				local-timer-stop;
+			};
+
+			LITTLE_CPU_SLEEP_1: cpu-sleep-0-1 {
+				compatible = "arm,idle-state";
+				idle-state-name = "little-rail-power-down";
+				arm,psci-suspend-param = <0x40000004>;
+				entry-latency-us = <360>;
+				exit-latency-us = <531>;
+				min-residency-us = <3934>;
+				local-timer-stop;
+			};
+
+			BIG_CPU_SLEEP_0: cpu-sleep-1-0 {
+				compatible = "arm,idle-state";
+				idle-state-name = "big-power-down";
+				arm,psci-suspend-param = <0x40000003>;
+				entry-latency-us = <264>;
+				exit-latency-us = <621>;
+				min-residency-us = <952>;
+				local-timer-stop;
+			};
+
+			BIG_CPU_SLEEP_1: cpu-sleep-1-1 {
+				compatible = "arm,idle-state";
+				idle-state-name = "big-rail-power-down";
+				arm,psci-suspend-param = <0x40000004>;
+				entry-latency-us = <702>;
+				exit-latency-us = <1061>;
+				min-residency-us = <4488>;
+				local-timer-stop;
+			};
+
+			CLUSTER_SLEEP_0: cluster-sleep-0 {
+				compatible = "arm,idle-state";
+				idle-state-name = "cluster-power-down";
+				arm,psci-suspend-param = <0x400000F4>;
+				entry-latency-us = <3263>;
+				exit-latency-us = <6562>;
+				min-residency-us = <9987>;
+				local-timer-stop;
+			};
+		};
 	};
 
 	firmware {
@@ -1925,6 +2003,41 @@
 			};
 		};
 
+		slimbam: dma@3a84000 {
+			compatible = "qcom,bam-v1.7.0";
+			qcom,controlled-remotely;
+			reg = <0 0x3a84000 0 0x2a000>;
+			num-channels  = <31>;
+			interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
+			#dma-cells = <1>;
+			qcom,ee = <1>;
+			qcom,num-ees = <2>;
+			iommus = <&apps_smmu 0x1826 0x0>;
+		};
+
+		slim: slim@3ac0000 {
+			compatible = "qcom,slim-ngd-v2.2.0";
+			reg = <0 0x3ac0000 0 0x2c000>;
+			interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
+
+			qcom,apps-ch-pipes = <0x780000>;
+			qcom,ea-pc = <0x270>;
+			status = "okay";
+			dmas =	<&slimbam 3>, <&slimbam 4>,
+				<&slimbam 5>, <&slimbam 6>;
+			dma-names = "rx", "tx", "tx2", "rx2";
+
+			iommus = <&apps_smmu 0x1826 0x0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			ngd@1 {
+				reg = <1>;
+				#address-cells = <2>;
+				#size-cells = <0>;
+			};
+		};
+
 		gpu: gpu@3d00000 {
 			compatible = "qcom,adreno-650.2",
 				     "qcom,adreno";
@@ -3853,6 +3966,7 @@
 					qcom,apr-domain = <APR_DOMAIN_ADSP>;
 					#address-cells = <1>;
 					#size-cells = <0>;
+					qcom,intents = <512 20>;
 
 					apr-service@3 {
 						reg = <APR_SVC_ADSP_CORE>;
diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
index 010657ea7af7..e64d67c59f6f 100644
--- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
+++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c
@@ -86,6 +86,7 @@ struct lt9611uxc_mode {
 	u16 hdisplay;
 	u16 vdisplay;
 	u8 vrefresh;
+	bool dual_dsi;
 };
 
 /*
@@ -93,22 +94,24 @@ struct lt9611uxc_mode {
  * Enumerate them here to check whether the mode is supported.
  */
 static struct lt9611uxc_mode lt9611uxc_modes[] = {
-	{ 1920, 1080, 60 },
-	{ 1920, 1080, 30 },
-	{ 1920, 1080, 25 },
-	{ 1366, 768, 60 },
-	{ 1360, 768, 60 },
-	{ 1280, 1024, 60 },
-	{ 1280, 800, 60 },
-	{ 1280, 720, 60 },
-	{ 1280, 720, 50 },
-	{ 1280, 720, 30 },
-	{ 1152, 864, 60 },
-	{ 1024, 768, 60 },
-	{ 800, 600, 60 },
-	{ 720, 576, 50 },
-	{ 720, 480, 60 },
-	{ 640, 480, 60 },
+	{ 3840, 2160, 60, true },
+	{ 3840, 2160, 30, true },
+	{ 1920, 1080, 60, false },
+	{ 1920, 1080, 30, false },
+	{ 1920, 1080, 25, false },
+	{ 1366, 768, 60, false },
+	{ 1360, 768, 60, false },
+	{ 1280, 1024, 60, false },
+	{ 1280, 800, 60, false },
+	{ 1280, 720, 60, false },
+	{ 1280, 720, 50, false },
+	{ 1280, 720, 30, false },
+	{ 1152, 864, 60, false },
+	{ 1024, 768, 60, false },
+	{ 800, 600, 60, false },
+	{ 720, 576, 50, false },
+	{ 720, 480, 60, false },
+	{ 640, 480, 60, false },
 };
 
 static struct lt9611uxc *bridge_to_lt9611uxc(struct drm_bridge *bridge)
@@ -313,8 +316,15 @@ static enum drm_mode_status lt9611uxc_connector_mode_valid(struct drm_connector
 							   struct drm_display_mode *mode)
 {
 	struct lt9611uxc_mode *lt9611uxc_mode = lt9611uxc_find_mode(mode);
+	struct lt9611uxc *lt9611uxc = connector_to_lt9611uxc(connector);
+
+	if (!lt9611uxc_mode)
+		return MODE_BAD;
 
-	return lt9611uxc_mode ? MODE_OK : MODE_BAD;
+	if (lt9611uxc_mode->dual_dsi && (!lt9611uxc->dsi0 || !lt9611uxc->dsi1))
+		return MODE_BAD;
+
+	return MODE_OK;
 }
 
 static const struct drm_connector_helper_funcs lt9611uxc_bridge_connector_helper_funcs = {
@@ -381,9 +391,11 @@ static int lt9611uxc_bridge_attach(struct drm_bridge *bridge,
 	}
 
 	/* Attach primary DSI */
-	lt9611uxc->dsi0 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi0_node);
-	if (IS_ERR(lt9611uxc->dsi0))
-		return PTR_ERR(lt9611uxc->dsi0);
+	if (lt9611uxc->dsi0_node) {
+		lt9611uxc->dsi0 = lt9611uxc_attach_dsi(lt9611uxc, lt9611uxc->dsi0_node);
+		if (IS_ERR(lt9611uxc->dsi0))
+			return PTR_ERR(lt9611uxc->dsi0);
+	}
 
 	/* Attach secondary DSI, if specified */
 	if (lt9611uxc->dsi1_node) {
@@ -397,8 +409,10 @@ static int lt9611uxc_bridge_attach(struct drm_bridge *bridge,
 	return 0;
 
 err_unregister_dsi0:
-	mipi_dsi_detach(lt9611uxc->dsi0);
-	mipi_dsi_device_unregister(lt9611uxc->dsi0);
+	if (lt9611uxc->dsi0) {
+		mipi_dsi_detach(lt9611uxc->dsi0);
+		mipi_dsi_device_unregister(lt9611uxc->dsi0);
+	}
 
 	return ret;
 }
@@ -408,11 +422,16 @@ lt9611uxc_bridge_mode_valid(struct drm_bridge *bridge,
 			    const struct drm_display_info *info,
 			    const struct drm_display_mode *mode)
 {
-	struct lt9611uxc_mode *lt9611uxc_mode;
+	struct lt9611uxc *lt9611uxc = bridge_to_lt9611uxc(bridge);
+	struct lt9611uxc_mode *lt9611uxc_mode = lt9611uxc_find_mode(mode);
+
+	if (!lt9611uxc_mode)
+		return MODE_BAD;
 
-	lt9611uxc_mode = lt9611uxc_find_mode(mode);
+	if (lt9611uxc_mode->dual_dsi && (!lt9611uxc->dsi0 || !lt9611uxc->dsi1))
+		return MODE_BAD;
 
-	return lt9611uxc_mode ? MODE_OK : MODE_BAD;
+	return MODE_OK;
 }
 
 static void lt9611uxc_video_setup(struct lt9611uxc *lt9611uxc,
@@ -432,6 +451,13 @@ static void lt9611uxc_video_setup(struct lt9611uxc *lt9611uxc,
 	vsync_len = mode->vsync_end - mode->vsync_start;
 	vfront_porch = mode->vsync_start - mode->vdisplay;
 
+	if (lt9611uxc->dsi0 && lt9611uxc->dsi1)
+		regmap_write(lt9611uxc->regmap, 0xb025, 0x03);
+	else if (lt9611uxc->dsi0)
+		regmap_write(lt9611uxc->regmap, 0xb025, 0x01);
+	else
+		regmap_write(lt9611uxc->regmap, 0xb025, 0x02);
+
 	regmap_write(lt9611uxc->regmap, 0xd00d, (u8)(v_total / 256));
 	regmap_write(lt9611uxc->regmap, 0xd00e, (u8)(v_total % 256));
 
@@ -555,12 +581,13 @@ static int lt9611uxc_parse_dt(struct device *dev,
 			      struct lt9611uxc *lt9611uxc)
 {
 	lt9611uxc->dsi0_node = of_graph_get_remote_node(dev->of_node, 0, -1);
-	if (!lt9611uxc->dsi0_node) {
+	lt9611uxc->dsi1_node = of_graph_get_remote_node(dev->of_node, 1, -1);
+
+	if (!lt9611uxc->dsi0_node && !lt9611uxc->dsi1_node) {
 		dev_err(lt9611uxc->dev, "failed to get remote node for primary dsi\n");
 		return -ENODEV;
 	}
 
-	lt9611uxc->dsi1_node = of_graph_get_remote_node(dev->of_node, 1, -1);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index e7ee4cfb8461..a91ae0ce31ed 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1053,15 +1053,19 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 			return;
 		}
 
-		if (!hw_ctl[i]) {
+		phys->hw_pp = dpu_enc->hw_pp[i];
+
+		/* Use first (and only) CTL if active CTLs are supported */
+		if (dpu_kms->catalog->caps->has_active_ctls)
+			phys->hw_ctl = to_dpu_hw_ctl(hw_ctl[0]);
+		else
+			phys->hw_ctl = to_dpu_hw_ctl(hw_ctl[i]);
+		if (!phys->hw_ctl) {
 			DPU_ERROR_ENC(dpu_enc,
 				"no ctl block assigned at idx: %d\n", i);
 			return;
 		}
 
-		phys->hw_pp = dpu_enc->hw_pp[i];
-		phys->hw_ctl = to_dpu_hw_ctl(hw_ctl[i]);
-
 		num_blk = dpu_rm_get_assigned_resources(&dpu_kms->rm,
 			global_state, drm_enc->base.id, DPU_HW_BLK_INTF,
 			hw_blk, ARRAY_SIZE(hw_blk));
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
index 34a6940d12c5..6e5c8118c3d4 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c
@@ -67,6 +67,8 @@ static void _dpu_encoder_phys_cmd_update_intf_cfg(
 		return;
 
 	intf_cfg.intf = phys_enc->intf_idx;
+	if (phys_enc->split_role == ENC_ROLE_MASTER)
+		intf_cfg.intf_master = phys_enc->hw_intf->idx;
 	intf_cfg.intf_mode_sel = DPU_CTL_MODE_SEL_CMD;
 	intf_cfg.stream_sel = cmd_enc->stream_sel;
 	intf_cfg.mode_3d = dpu_encoder_helper_get_3d_blend_mode(phys_enc);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 185379b18572..63a0d99c693d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -281,6 +281,8 @@ static void dpu_encoder_phys_vid_setup_timing_engine(
 	DPU_DEBUG_VIDENC(phys_enc, "fmt_fourcc 0x%X\n", fmt_fourcc);
 
 	intf_cfg.intf = phys_enc->hw_intf->idx;
+	if (phys_enc->split_role == ENC_ROLE_MASTER)
+		intf_cfg.intf_master = phys_enc->hw_intf->idx;
 	intf_cfg.intf_mode_sel = DPU_CTL_MODE_SEL_VID;
 	intf_cfg.stream_sel = 0; /* Don't care value for video mode */
 	intf_cfg.mode_3d = dpu_encoder_helper_get_3d_blend_mode(phys_enc);
@@ -358,7 +360,8 @@ static void dpu_encoder_phys_vid_underrun_irq(void *arg, int irq_idx)
 static bool dpu_encoder_phys_vid_needs_single_flush(
 		struct dpu_encoder_phys *phys_enc)
 {
-	return phys_enc->split_role != ENC_ROLE_SOLO;
+	return !(phys_enc->hw_ctl->caps->features & BIT(DPU_CTL_ACTIVE_CFG)) &&
+		phys_enc->split_role != ENC_ROLE_SOLO;
 }
 
 static void dpu_encoder_phys_vid_mode_set(
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
index ce6f32a919e5..34eabe6a3a73 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
@@ -219,6 +219,7 @@ static const struct dpu_caps sm8150_dpu_caps = {
 	.has_dim_layer = true,
 	.has_idle_pc = true,
 	.has_3d_merge = true,
+	.has_active_ctls = true,
 	.max_linewidth = 4096,
 	.pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
 	.max_hdeci_exp = MAX_HORZ_DECIMATION,
@@ -235,6 +236,7 @@ static const struct dpu_caps sm8250_dpu_caps = {
 	.has_dim_layer = true,
 	.has_idle_pc = true,
 	.has_3d_merge = true,
+	.has_active_ctls = true,
 	.max_linewidth = 4096,
 	.pixel_ram_size = DEFAULT_PIXEL_RAM_SIZE,
 };
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
index 4ade44bbd37e..0b0839082a45 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h
@@ -335,6 +335,7 @@ struct dpu_caps {
 	bool has_dim_layer;
 	bool has_idle_pc;
 	bool has_3d_merge;
+	bool has_active_ctls;
 	/* SSPP limits */
 	u32 max_linewidth;
 	u32 pixel_ram_size;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
index 64740ddb983e..c9f4d142ca96 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.c
@@ -497,6 +497,7 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
 	struct dpu_hw_blk_reg_map *c = &ctx->hw;
 	u32 intf_active = 0;
 	u32 mode_sel = 0;
+	u32 merge_3d_active = 0;
 
 	if (cfg->intf_mode_sel == DPU_CTL_MODE_SEL_CMD)
 		mode_sel |= BIT(17);
@@ -504,11 +505,21 @@ static void dpu_hw_ctl_intf_cfg_v1(struct dpu_hw_ctl *ctx,
 	intf_active = DPU_REG_READ(c, CTL_INTF_ACTIVE);
 	intf_active |= BIT(cfg->intf - INTF_0);
 
+	merge_3d_active = DPU_REG_READ(c, CTL_MERGE_3D_ACTIVE);
+	if (cfg->merge_3d)
+		merge_3d_active |= BIT(cfg->merge_3d - MERGE_3D_0);
+
 	DPU_REG_WRITE(c, CTL_TOP, mode_sel);
 	DPU_REG_WRITE(c, CTL_INTF_ACTIVE, intf_active);
+	if (cfg->intf_master)
+		DPU_REG_WRITE(c, CTL_INTF_MASTER, BIT(cfg->intf_master - INTF_0));
 	if (cfg->merge_3d)
-		DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE,
-			      BIT(cfg->merge_3d - MERGE_3D_0));
+		DPU_REG_WRITE(c, CTL_MERGE_3D_ACTIVE, merge_3d_active);
+
+	if (cfg->intf_master)
+		DPU_ERROR("ACTIVE: %x %x %lx\n", intf_active, merge_3d_active, BIT(cfg->intf_master - INTF_0));
+	else
+		DPU_ERROR("ACTIVE: %x %x\n", intf_active, merge_3d_active);
 }
 
 static void dpu_hw_ctl_intf_cfg(struct dpu_hw_ctl *ctx,
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
index 806c171e5df2..47499d90ab64 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_ctl.h
@@ -36,6 +36,7 @@ struct dpu_hw_stage_cfg {
 /**
  * struct dpu_hw_intf_cfg :Describes how the DPU writes data to output interface
  * @intf :                 Interface id
+ * @intf_master:           Master interface id in the dual pipe topology
  * @mode_3d:               3d mux configuration
  * @merge_3d:              3d merge block used
  * @intf_mode_sel:         Interface mode, cmd / vid
@@ -43,6 +44,7 @@ struct dpu_hw_stage_cfg {
  */
 struct dpu_hw_intf_cfg {
 	enum dpu_intf intf;
+	enum dpu_intf intf_master;
 	enum dpu_3d_blend_mode mode_3d;
 	enum dpu_merge_3d merge_3d;
 	enum dpu_ctl_mode_sel intf_mode_sel;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
index f9c83d6e427a..73b694adc13e 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
@@ -203,6 +203,7 @@ int dpu_rm_init(struct dpu_rm *rm,
 		}
 		rm->ctl_blks[ctl->id - CTL_0] = &hw->base;
 	}
+	rm->has_active_ctls = cat->caps->has_active_ctls;
 
 	for (i = 0; i < cat->dspp_count; i++) {
 		struct dpu_hw_dspp *hw;
@@ -409,10 +410,15 @@ static int _dpu_rm_reserve_ctls(
 	int i = 0, j, num_ctls;
 	bool needs_split_display;
 
-	/* each hw_intf needs its own hw_ctrl to program its control path */
-	num_ctls = top->num_intf;
+	if (rm->has_active_ctls) {
+		num_ctls = 1;
+		needs_split_display = false;
+	} else {
+		/* each hw_intf needs its own hw_ctrl to program its control path */
+		num_ctls = top->num_intf;
 
-	needs_split_display = _dpu_rm_needs_split_display(top);
+		needs_split_display = _dpu_rm_needs_split_display(top);
+	}
 
 	for (j = 0; j < ARRAY_SIZE(rm->ctl_blks); j++) {
 		const struct dpu_hw_ctl *ctl;
@@ -430,7 +436,7 @@ static int _dpu_rm_reserve_ctls(
 
 		DPU_DEBUG("ctl %d caps 0x%lX\n", j + CTL_0, features);
 
-		if (needs_split_display != has_split_display)
+		if (!rm->has_active_ctls && needs_split_display != has_split_display)
 			continue;
 
 		ctl_idx[i] = j;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
index 1f12c8d5b8aa..19b7a3bf31c3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
@@ -32,6 +32,7 @@ struct dpu_rm {
 	struct dpu_hw_blk *merge_3d_blks[MERGE_3D_MAX - MERGE_3D_0];
 
 	uint32_t lm_max_width;
+	bool has_active_ctls;
 };
 
 /**
diff --git a/drivers/gpu/drm/msm/dsi/dsi.c b/drivers/gpu/drm/msm/dsi/dsi.c
index 75ae3008b68f..165efb9acb57 100644
--- a/drivers/gpu/drm/msm/dsi/dsi.c
+++ b/drivers/gpu/drm/msm/dsi/dsi.c
@@ -230,12 +230,7 @@ int msm_dsi_modeset_init(struct msm_dsi *msm_dsi, struct drm_device *dev,
 		goto fail;
 	}
 
-	/*
-	 * check if the dsi encoder output is connected to a panel or an
-	 * external bridge. We create a connector only if we're connected to a
-	 * drm_panel device. When we're connected to an external bridge, we
-	 * assume that the drm_bridge driver will create the connector itself.
-	 */
+	/* Initialize the internal panel or external bridge */
 	ext_bridge = msm_dsi_host_get_bridge(msm_dsi->host);
 
 	if (ext_bridge)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c
index 20c4d650fd80..3b4168d2bbce 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_manager.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c
@@ -3,8 +3,7 @@
  * Copyright (c) 2015, The Linux Foundation. All rights reserved.
  */
 
-#include "drm/drm_bridge_connector.h"
-
+#include <drm/drm_bridge_connector.h>
 #include "msm_kms.h"
 #include "dsi.h"
 
@@ -689,7 +688,7 @@ struct drm_bridge *msm_dsi_manager_bridge_init(u8 id)
 	bridge = &dsi_bridge->base;
 	bridge->funcs = &dsi_mgr_bridge_funcs;
 
-	ret = drm_bridge_attach(encoder, bridge, NULL, 0);
+	ret = drm_bridge_attach(encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR);
 	if (ret)
 		goto fail;
 
@@ -709,7 +708,6 @@ struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id)
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
 	struct drm_bridge *int_bridge, *ext_bridge;
-	int ret;
 
 	int_bridge = msm_dsi->bridge;
 	ext_bridge = msm_dsi->external_bridge =
@@ -717,43 +715,20 @@ struct drm_connector *msm_dsi_manager_ext_bridge_init(u8 id)
 
 	encoder = msm_dsi->encoder;
 
-	/*
-	 * Try first to create the bridge without it creating its own
-	 * connector.. currently some bridges support this, and others
-	 * do not (and some support both modes)
+	/* link the internal dsi bridge to the external bridge and attach
+	 * the connector, we are supporting DRM_BRIDGE_ATTACH_NO_CONNECTOR
+	 * so always create connector
 	 */
-	ret = drm_bridge_attach(encoder, ext_bridge, int_bridge,
-			DRM_BRIDGE_ATTACH_NO_CONNECTOR);
-	if (ret == -EINVAL) {
-		struct drm_connector *connector;
-		struct list_head *connector_list;
-
-		/* link the internal dsi bridge to the external bridge */
-		drm_bridge_attach(encoder, ext_bridge, int_bridge, 0);
-
-		/*
-		 * we need the drm_connector created by the external bridge
-		 * driver (or someone else) to feed it to our driver's
-		 * priv->connector[] list, mainly for msm_fbdev_init()
-		 */
-		connector_list = &dev->mode_config.connector_list;
-
-		list_for_each_entry(connector, connector_list, head) {
-			if (drm_connector_has_possible_encoder(connector, encoder))
-				return connector;
-		}
-
-		return ERR_PTR(-ENODEV);
-	}
+	drm_bridge_attach(encoder, ext_bridge, int_bridge, DRM_BRIDGE_ATTACH_NO_CONNECTOR);
 
 	connector = drm_bridge_connector_init(dev, encoder);
 	if (IS_ERR(connector)) {
-		DRM_ERROR("Unable to create bridge connector\n");
-		return ERR_CAST(connector);
+		DRM_DEV_ERROR(dev->dev, "drm_bridge_connector_init failed: %ld\n",
+			      PTR_ERR(connector));
+		return ERR_PTR(-ENODEV);
 	}
 
-	drm_connector_attach_encoder(connector, encoder);
-
+	drm_connector_attach_encoder(connector, msm_dsi->encoder);
 	return connector;
 }
 
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
index 9842e04b5858..cece46c78fc3 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c
@@ -776,6 +776,22 @@ static int dsi_phy_driver_probe(struct platform_device *pdev)
 		goto fail;
 	}
 
+	/*
+	 * As explained in msm_dsi_phy_enable, resetting the DSI PHY (as done
+	 * in dsi_mgr_phy_enable) silently changes its PLL registers to power-on
+	 * defaults, but the generic clock framework manages and caches several
+	 * of the PLL registers. It initializes these caches at registration
+	 * time via register read.
+	 *
+	 * As a result, we need to save DSI PLL registers once at probe in order
+	 * for the first call to msm_dsi_phy_enable to successfully bring PLL
+	 * registers back in line with what the generic clock framework expects.
+	 *
+	 * Subsequent PLL restores during msm_dsi_phy_enable will always be
+	 * paired with PLL saves in msm_dsi_phy_disable.
+	 */
+	msm_dsi_phy_pll_save_state(phy);
+
 	dsi_phy_disable_resource(phy);
 
 	platform_set_drvdata(pdev, phy);
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
index 079613d2aaa9..05d15a8402cb 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -586,7 +586,7 @@ static int dsi_7nm_set_usecase(struct msm_dsi_phy *phy)
 static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provided_clocks)
 {
 	char clk_name[32], parent[32], vco_name[32];
-	char parent2[32], parent3[32], parent4[32];
+	char parent2[32];
 	struct clk_init_data vco_init = {
 		.parent_names = (const char *[]){ "bi_tcxo" },
 		.num_parents = 1,
@@ -685,15 +685,13 @@ static int pll_7nm_register(struct dsi_pll_7nm *pll_7nm, struct clk_hw **provide
 		snprintf(clk_name, 32, "dsi%d_pclk_mux", pll_7nm->phy->id);
 		snprintf(parent, 32, "dsi%d_pll_bit_clk", pll_7nm->phy->id);
 		snprintf(parent2, 32, "dsi%d_pll_by_2_bit_clk", pll_7nm->phy->id);
-		snprintf(parent3, 32, "dsi%d_pll_out_div_clk", pll_7nm->phy->id);
-		snprintf(parent4, 32, "dsi%d_pll_post_out_div_clk", pll_7nm->phy->id);
 
 		hw = devm_clk_hw_register_mux(dev, clk_name,
 					((const char *[]){
-					parent, parent2, parent3, parent4
-					}), 4, 0, pll_7nm->phy->base +
+					parent, parent2,
+					}), 2, 0, pll_7nm->phy->base +
 					REG_DSI_7nm_PHY_CMN_CLK_CFG1,
-					0, 2, 0, NULL);
+					0, 1, 0, NULL);
 		if (IS_ERR(hw)) {
 			ret = PTR_ERR(hw);
 			goto fail;
diff --git a/drivers/of/property.c b/drivers/of/property.c
index a3483484a5a2..fb095ce334e5 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1056,25 +1056,6 @@ static bool of_is_ancestor_of(struct device_node *test_ancestor,
 	return false;
 }
 
-static struct device_node *of_get_compat_node(struct device_node *np)
-{
-	of_node_get(np);
-
-	while (np) {
-		if (!of_device_is_available(np)) {
-			of_node_put(np);
-			np = NULL;
-		}
-
-		if (of_find_property(np, "compatible", NULL))
-			break;
-
-		np = of_get_next_parent(np);
-	}
-
-	return np;
-}
-
 /**
  * of_link_to_phandle - Add fwnode link to supplier from supplier phandle
  * @con_np: consumer device tree node
@@ -1098,11 +1079,25 @@ static int of_link_to_phandle(struct device_node *con_np,
 	struct device *sup_dev;
 	struct device_node *tmp_np = sup_np;
 
+	of_node_get(sup_np);
 	/*
 	 * Find the device node that contains the supplier phandle.  It may be
 	 * @sup_np or it may be an ancestor of @sup_np.
 	 */
-	sup_np = of_get_compat_node(sup_np);
+	while (sup_np) {
+
+		/* Don't allow linking to a disabled supplier */
+		if (!of_device_is_available(sup_np)) {
+			of_node_put(sup_np);
+			sup_np = NULL;
+		}
+
+		if (of_find_property(sup_np, "compatible", NULL))
+			break;
+
+		sup_np = of_get_next_parent(sup_np);
+	}
+
 	if (!sup_np) {
 		pr_debug("Not linking %pOFP to %pOFP - No device\n",
 			 con_np, tmp_np);
@@ -1248,8 +1243,6 @@ static struct device_node *parse_##fname(struct device_node *np,	     \
  * @parse_prop.prop_name: Name of property holding a phandle value
  * @parse_prop.index: For properties holding a list of phandles, this is the
  *		      index into the list
- * @optional: Describes whether a supplier is mandatory or not
- * @node_not_dev: The consumer node containing the property is never a device.
  *
  * Returns:
  * parse_prop() return values are
@@ -1261,7 +1254,6 @@ struct supplier_bindings {
 	struct device_node *(*parse_prop)(struct device_node *np,
 					  const char *prop_name, int index);
 	bool optional;
-	bool node_not_dev;
 };
 
 DEFINE_SIMPLE_PROP(clocks, "clocks", "#clock-cells")
@@ -1374,7 +1366,6 @@ static const struct supplier_bindings of_supplier_bindings[] = {
 	{ .parse_prop = parse_pinctrl6, },
 	{ .parse_prop = parse_pinctrl7, },
 	{ .parse_prop = parse_pinctrl8, },
-	{ .parse_prop = parse_remote_endpoint, .node_not_dev = true, },
 	{ .parse_prop = parse_pwms, },
 	{ .parse_prop = parse_resets, },
 	{ .parse_prop = parse_leds, },
@@ -1421,16 +1412,10 @@ static int of_link_property(struct device_node *con_np, const char *prop_name)
 		}
 
 		while ((phandle = s->parse_prop(con_np, prop_name, i))) {
-			struct device_node *con_dev_np;
-
-			con_dev_np = s->node_not_dev
-					? of_get_compat_node(con_np)
-					: of_node_get(con_np);
 			matched = true;
 			i++;
-			of_link_to_phandle(con_dev_np, phandle);
+			of_link_to_phandle(con_np, phandle);
 			of_node_put(phandle);
-			of_node_put(con_dev_np);
 		}
 		s++;
 	}