feat: add rk3568-hdmi-disable and rockchip-gpu-disable

Meets the low-power requirements of some users

arch/arm64/boot/dts/rockchip/overlays/Makefile

@@ -194,6 +194,7 @@ dtb-$(CONFIG_CLK_RK3568) += \
 	rk3568-fiq-debugger-uart9m1.dtbo \
 	rk3568-gmac1-disable.dtbo \
 	rk3568-gmac1-enable.dtbo \
+	rk3568-hdmi-disable.dtbo \
 	rk3568-i2c1.dtbo \
 	rk3568-i2c2-disable.dtbo \
 	rk3568-i2c2-m0-pca9555.dtbo \
@@ -567,7 +568,9 @@ dtb-$(CONFIG_CPU_RK3588) += \
 	rock-5t-radxa-display-10fhd.dtbo \
 	rock-5t-radxa-display-10hd.dtbo
 
-dtb-$(CONFIG_ARCH_ROCKCHIP) += rockchip-watchdog.dtbo \
+dtb-$(CONFIG_ARCH_ROCKCHIP) += \
+	rockchip-gpu-disable.dtbo \
+	rockchip-watchdog.dtbo \
 	rockchip-uart-dma.dtbo
 
 dtbotxt-$(CONFIG_ARCH_ROCKCHIP) += \

arch/arm64/boot/dts/rockchip/overlays/rk3568-hdmi-disable.dts

@@ -0,0 +1,20 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	metadata {
+		title = "Disable HDMI";
+		compatible = "rockchip,rk3568", "rockchip,rk3566";
+		category = "misc";
+		exclusive = "hdmi", "hdmi_sound";
+		description = "Disable HDMI.";
+	};
+};
+
+&hdmi {
+	status = "disabled";
+};
+
+&hdmi_sound {
+	status = "disabled";
+};

arch/arm64/boot/dts/rockchip/overlays/rockchip-gpu-disable.dts

@@ -0,0 +1,16 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+	metadata {
+		title = "Disable GPU";
+		compatible = "rockchip,rk3308", "rockchip,rk3328", "rockchip,rk3399", "rockchip,rk3566", "rockchip,rk3568", "rockchip,rk3588";
+		category = "misc";
+		exclusive = "gpu";
+		description = "Disable GPU.";
+	};
+};
+
+&gpu {
+	status = "disabled";
+};