Apalis iMX8: Disable GPU

Technical Support
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1

Hi team,

A customer is not using the GPU in Apalis iMX8 and asked me if they could disable this (and how) to decrease the power consumption.

Details would be appreciated!

Thanks and kind regards,
Alvaro.

2

In addition to this post, BSP 5 (toradex_5.4-2.1.x-imx) also has the following nodes that can be disabled ( status = "disabled" ) Trial and error…

&gpu_3d0{
	status = "okay";
};
&gpu_3d1{
	status = "okay";
};
/* Apalis HDMI1 */
&hdmi {
	status = "okay";
};
&hdmi_lpcg_apb {
	status = "okay";
};
&hdmi_lpcg_apb_mux_csr {
	status = "okay";
};
&hdmi_lpcg_apb_mux_ctrl {
	status = "okay";
};
&hdmi_lpcg_gpio_ipg {
	status = "okay";
};
&hdmi_lpcg_i2c0 {
	status = "okay";
};
&hdmi_lpcg_i2s {
	status = "okay";
};
&hdmi_lpcg_lis_ipg {
	status = "okay";
};
&hdmi_lpcg_msi_hclk {
	status = "okay";
};
&hdmi_lpcg_phy {
	status = "okay";
};
&hdmi_lpcg_pwm_ipg {
	status = "okay";
};
&hdmi_lpcg_pxl {
	status = "okay";
};
&dc0_dpr1_channel1 {
	status = "okay";
};
&dc0_dpr1_channel2 {
	status = "okay";
};
&dc0_dpr1_channel3 {
	status = "okay";
};
&dc0_dpr2_channel1 {
	status = "okay";
};
&dc0_dpr2_channel2 {
	status = "okay";
};
&dc0_dpr2_channel3 {
	status = "okay";
};
&dc0_pc {
	status = "okay";
};
&dc0_prg1 {
	status = "okay";
};
&dc0_prg2 {
	status = "okay";
};
&dc0_prg3 {
	status = "okay";
};
&dc0_prg4 {
	status = "okay";
};
&dc0_prg5 {
	status = "okay";
};
&dc0_prg6 {
	status = "okay";
};
&dc0_prg7 {
	status = "okay";
};
&dc0_prg8 {
	status = "okay";
};
&dc0_prg9 {
	status = "okay";
};
&dc1_dpr1_channel1 {
	status = "okay";
};
&dc1_dpr1_channel2 {
	status = "okay";
};
&dc1_dpr1_channel3 {
	status = "okay";
};
&dc1_dpr2_channel1 {
	status = "okay";
};
&dc1_dpr2_channel2 {
	status = "okay";
};
&dc1_dpr2_channel3 {
	status = "okay";
};
&dc1_pc {
	status = "okay";
};
&dc1_prg1 {
	status = "okay";
};
&dc1_prg2 {
	status = "okay";
};
&dc1_prg3 {
	status = "okay";
};
&dc1_prg4 {
	status = "okay";
};
&dc1_prg5 {
	status = "okay";
};
&dc1_prg6 {
	status = "okay";
};
&dc1_prg7 {
	status = "okay";
};
&dc1_prg8 {
	status = "okay";
};
&dc1_prg9 {
	status = "okay";
};
&dpu1 {
	status = "okay";
};
&dpu2 {
	status = "okay";
};
&imx8_gpu_ss {
	status = "okay";
};
&irqsteer_csi0 {
	status = "okay";
};
&irqsteer_csi1 {
	status = "okay";
};
&irqsteer_hdmi {
	status = "okay";
};
&vpu_decoder {
	status = "okay";
};
&vpu_encoder {
	status = "okay";
};
&ldb2_phy {
	status = "okay";
};
&ldb2 {
	status = "okay";
&jpegdec {
	status = "okay";
};
&jpegenc {
	status = "okay";
};
3

As tips to help customers disable the interfaces, we’ve compiled the content from this question and Disable HDMI & LVDS in device tree - Technical Support - Toradex Community into a section on Device Tree Customization Examples | Toradex Developer Center