make gpu work

arch/arm64/boot/dts/qcom/sdm630.dtsi

@@ -1174,6 +1174,11 @@
 				};
 				*/
 			};
+
+			zap-shader {
+				memory-region = <&zap_shader_region>;
+				firmware-name = "a508_zap.mbn";
+			};
 		};
 
 		kgsl_smmu: iommu@5040000 {
@@ -1541,7 +1546,7 @@
 		};
 
 		mdss: display-subsystem@c900000 {
-			compatible = "qcom,mdss";
+			compatible = "qcom,sdm630-mdss", "qcom,mdss";
 			reg = <0x0c900000 0x1000>,
 			      <0x0c9b0000 0x1040>;
 			reg-names = "mdss_phys", "vbif_phys";

arch/arm64/boot/dts/qcom/sdm636-xiaomi-tulip.dts

@@ -15,7 +15,6 @@
 /delete-node/ &qseecom_mem;
 /delete-node/ &rmtfs_mem;
 /delete-node/ &tz_mem;
-/delete-node/ &zap_shader_region;
 
 / {
 	model = "Xiaomi Redmi Note 6 Pro";
@@ -510,4 +509,4 @@
 	vdd-3.3-ch0-supply = <&vreg_l19a_3p3>;
 
 	status = "okay";
-};
+};

arch/arm64/boot/dts/qcom/sdm660-xiaomi-lavender.dts

@@ -118,6 +118,8 @@
 		reset-gpios = <&tlmm 66 GPIO_ACTIVE_HIGH>;
 		touchscreen-size-x = <1080>;
 		touchscreen-size-y = <2340>;
+
+		status = "disabled";
 	};
 };
 
@@ -140,6 +142,69 @@
 	};
 };
 
+&adreno_gpu {
+	status = "okay";
+};
+
+&gpucc{
+	status = "okay";
+};
+
+&kgsl_smmu {
+	status = "okay";
+};
+
+&mdp {
+	status = "okay";
+};
+
+&mdss {
+	status = "okay";
+};
+
+&mdss_dsi0 {
+	status = "okay";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	vdd-supply = <&vreg_l1b_0p925>;
+	vdda-supply = <&vreg_l1a_1p225>;
+	panel@0 {
+		compatible = "xiaomi,lavender-td4320";
+		reg = <0>;
+
+		reset-gpios = <&tlmm 53 GPIO_ACTIVE_LOW>;
+		//disp-te-gpios = <&tlmm 59 GPIO_ACTIVE_HIGH>;
+
+		backlight = <&pm660l_wled>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&mdss_dsi_active &mdss_te_active>;
+
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&mdss_dsi0_out>;
+			};
+		};
+	};
+};
+
+&mdss_dsi0_out {
+	data-lanes = <0 1 2 3>;
+	remote-endpoint = <&panel_in>;
+};
+
+&mdss_dsi0_phy {
+	vcca-supply = <&vreg_l1b_0p925>;
+	status = "okay";
+};
+
+&mmss_smmu {
+	status = "okay";
+};
+
 &lpass_smmu {
 	status = "okay";
 };
@@ -487,6 +552,19 @@
 &tlmm {
 	gpio-reserved-ranges = <8 4>;
 
+	mdss_dsi_active: mdss_dsi_active {
+		function = "gpio";
+		pins = "gpio53";
+		drive-strength = <8>;
+		bias-disable;
+	};
+	mdss_te_active: mdss_te_active {
+		pins = "gpio59";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
 	ts_pins_active: ts-pins-active-state {
 		pins = "gpio66", "gpio67";
 		function = "gpio";
@@ -519,7 +597,6 @@
 };
 
 &venus {
-	firmware-name = "qcom/venus-4.4/venus.mdt";
 	status = "okay";
 };
 

arch/arm64/boot/dts/qcom/sdm660.dtsi

@@ -83,6 +83,10 @@
 			opp-supported-hw = <0xff>;
 		};
 	};
+
+	zap-shader {
+		firmware-name = "a512_zap.mbn";
+	};
 };
 
 &CPU0 {
@@ -155,6 +159,8 @@
 };
 
 &mdss {
+	compatible = "qcom,sdm660-mdss", "qcom,mdss";
+
 	mdss_dsi1: dsi@c996000 {
 		compatible = "qcom,sdm660-dsi-ctrl",
 			     "qcom,mdss-dsi-ctrl";

drivers/gpu/drm/msm/adreno/a5xx_gpu.c

@@ -1768,7 +1768,8 @@ struct msm_gpu *a5xx_gpu_init(struct drm_device *dev)
 
 	check_speed_bin(&pdev->dev);
 
-	nr_rings = 4;
+	/* NOTE: Disable preemption until it is fixed */
+	nr_rings = 1;
 
 	if (config->info->revn == 510)
 		nr_rings = 1;

drivers/gpu/drm/panel/Kconfig

@@ -882,4 +882,5 @@ config DRM_PANEL_XINPENG_XPP055C272
 	  Say Y here if you want to enable support for the Xinpeng
 	  XPP055C272 controller for 720x1280 LCD panels with MIPI/RGB/SPI
 	  system interfaces.
+source "drivers/gpu/drm/panel/msm8916-generated/Kconfig"
 endmenu

drivers/gpu/drm/panel/Makefile

@@ -90,3 +90,4 @@ obj-$(CONFIG_DRM_PANEL_VISIONOX_VTDR6130) += panel-visionox-vtdr6130.o
 obj-$(CONFIG_DRM_PANEL_VISIONOX_R66451) += panel-visionox-r66451.o
 obj-$(CONFIG_DRM_PANEL_WIDECHIPS_WS2401) += panel-widechips-ws2401.o
 obj-$(CONFIG_DRM_PANEL_XINPENG_XPP055C272) += panel-xinpeng-xpp055c272.o
+obj-y += msm8916-generated/

drivers/gpu/drm/panel/msm8916-generated/Kconfig

@@ -0,0 +1,12 @@
+menu "MSM8916 panel drivers generated with linux-mdss-dsi-panel-driver-generator"
+	depends on GPIOLIB && OF && REGULATOR
+	depends on DRM_MIPI_DSI
+
+config DRM_PANEL_MSM8916_GENERATED
+	tristate "Select all generated MSM8916 panel drivers by default"
+
+config DRM_PANEL_XIAOMI_LAVENDER_TD4320
+	tristate "Xiaomi LAVENDER TD4320"
+	default DRM_PANEL_MSM8916_GENERATED
+
+endmenu

drivers/gpu/drm/panel/msm8916-generated/Makefile

@@ -0,0 +1 @@
+obj-$(CONFIG_DRM_PANEL_XIAOMI_LAVENDER_TD4320) += panel-xiaomi-lavender-td4320.o