Required support to add a Reset pin configuration in LVDS panel / LDB nodes of device tree

Hello Team Toradex, we are working on Automotive infotainment Display. We are using the toradex imx8qm SOM with the custom hardware with the linux bsp 5.4. We are facing flickering issue once (after power on reset), when the display gets powered up first time after power ON. To solve this issue, we want to add a reset pin node in device tree node of LVDS panel / LDB. We have checked the driver of panel-lvds and ldb but not found any strong way to add the reset pin in nodes. Could you please provide us support to add the reset pin node in LVDS panel / LDB?
Below is the device tree node of it.
lvds1_panel {

status = “okay”;
compatible = “panel-lvds”;
data-mapping = “vesa-24”;
pinctrl-names = “default”;
pinctrl-0 = <&pinctrl_lvds_pwr>;
enable-gpios = <&lsio_gpio0 19 GPIO_ACTIVE_HIGH>;
width-mm = <323>;
height-mm = <182>;

backlight = <&backlight>;

panel-timing {
clock-frequency = <69070000>;
hactive = <1920>;
vactive = <1080>;
hfront-porch = <14 18 22>;
hback-porch = <14 18 22>;
hsync-len = <14 18 22>;
vback-porch = <8 8 8>;
vfront-porch = <32 32 32>;
vsync-len = <2 2 2>;
hsync-active = <0>;
vsync-active = <0>;

port {
panel_lvds1_in: endpoint {
remote-endpoint = <&lvds1_out>;

/* Dual Channel Display LDB */
&ldb2 {
status = “okay”;

lvds-channel@0 {
fsl,data-mapping = “spwg”;
fsl,data-width = <24>;
status = “okay”;
port@1 {
reg = <1>;
lvds1_out: endpoint {
remote-endpoint = <&panel_lvds1_in>;

Hi @vedantsuthar,

Thanks for posting your query to Toradex Community

To understand your question completely please share below information

  • Are you using LVDS display from Toradex? If not please share part number.
  • Is flickering occur during boot and settle after system boots?
  • Is flickering occur for first boot and do not occur there after ?
  • Are you talking about display physical reset ?
  • How does reset fix flicker issue ?
  • Please share couple of image with flicker issue.

Best Regards
Ritesh Kumar

Hello, We have solved this issue.

Can you please let me know how the above issue is solved
any device tree configuration for reset ?
We have same issue here
Thank you

Hi @Shreejit,

Please create new query with all details, so that we can look to your issue properly.
Ideally please share software and hardware details, what modification you have done in device tree, exact issue you are facing preferably share some images, part number of the display you are using and do share other details which you thing is important.

Best Regards
Ritesh Kumar

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