适配新七寸屏

source_sync_rls_25c/source/kernel/kernel5.4/arch/arm64/boot/dts/sprd/lcd/lcd_jd9365_mipi_wxga.dtsi

@@ -10,6 +10,7 @@
 		__overlay__ {
 			lcds {
 				lcd_jd9365_mipi_wxga: lcd_jd9365_mipi_wxga {
+					/* Match the U-Boot handoff and the stable Unisoc burst path. */
 					sprd,dsi-work-mode = <1>;
 					sprd,dsi-lane-number = <4>;
 					sprd,dsi-color-format = "rgb888";
@@ -26,7 +27,13 @@
 					sprd,reset-on-sequence = <1 5>, <0 10>, <1 120>;
 					sprd,reset-off-sequence = <0 20>;
 
-					sprd,use-dcs-write;
+					/*
+					 * The vendor register table uses packet type 0x23
+					 * (generic short write, two parameters).  Do not set
+					 * sprd,use-dcs-write here: that makes the panel driver
+					 * recode every entry as a DCS packet and the JD9365
+					 * vendor-page registers are then not programmed.
+					 */
 					sprd,initial-command = [
 					23 00 00 02 E0 00
 					23 00 00 02 E1 93
@@ -241,13 +248,18 @@
 						native-mode = <&jd9365_timing0>;
 
 						jd9365_timing0: timing0 {
-							clock-frequency = <67750800>;
+							clock-frequency = <64000000>;
 							hactive = <800>;
 							vactive = <1280>;
 							hback-porch = <20>;
 							hfront-porch = <20>;
-							vback-porch = <8>;
-							vfront-porch = <17>;
+							/*
+							 * DPU r6p0 requires vsync + vback-porch >= 32.
+							 * Keep the 25-line total blanking unchanged while
+							 * matching the visually clean U-Boot handoff.
+							 */
+							vback-porch = <24>;
+							vfront-porch = <1>;
 							hsync-len = <20>;
 							vsync-len = <8>;
 						};

source_sync_rls_25c/source/kernel/kernel5.4/arch/arm64/boot/dts/sprd/uis7885-2h10-overlay.dts

@@ -8,7 +8,7 @@
 //#include "lcd/lcd_g40396_truly_mipi_fhd.dtsi"
 //#include "lcd/lcd_nt36672e_truly_mipi_fhd_nodsc.dtsi"
 #include "lcd/lcd_lt8912b_mipi_hdmi_1080p.dtsi"
-#include "lcd/lcd_ili9881c_truly_mipi_wxga.dtsi"
+#include "lcd/lcd_jd9365_mipi_wxga.dtsi"
 #include "tp/ums9620-tp.dtsi"
 #include <dt-bindings/mfd/sprd,ump9620-regs.h>
 #include <dt-bindings/mfd/sprd,ump9620-mask.h>
@@ -594,7 +594,7 @@
 	sprd,backlight = <&pwm_backlight>;
 	avdd-gpio = <&ap_gpio 153 GPIO_ACTIVE_HIGH>;
 	avee-gpio = <&ap_gpio 178 GPIO_ACTIVE_HIGH>;
-    iovdd-gpio = <&ap_gpio 187 GPIO_ACTIVE_HIGH>;
+	/* GPIO187 is kept high by the shared hdmi_5v_en gpio-hog above. */
 	reset-gpio = <&ap_gpio 152 GPIO_ACTIVE_HIGH>;
 };
 
@@ -604,7 +604,7 @@
 };
 
 
-&lcd_ili9881c_truly_mipi_wxga {
+&lcd_jd9365_mipi_wxga {
 	sprd,sr-width = <800>;
 	sprd,sr-height = <1280>;
 };