I built the root file system using 'build root', which previously automatically loaded 'galcore. ko' when the system started. But today I accidentally reset the configuration of 'build root', and since booting up, this module has been unable to load ...
I used buildroot to build the root file system and encountered the following error while running the qt example:penat(AT_FDCWD, "/dev/galcore", O_RDWR) = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "/dev/graphics/galcore", O_RDWR) = -1 ENO...
I am using the latest OpenSTLinx (5.1.0) Linux version: 6.1.28, and it can display normally when using the official root file system (st-image-eston-openstrinux-eston-stm32mp1. ext4), as shown in the figure below. However, when I use the root file sy...
We have custom SOM which has been designed with STM32MP157C and we want to enable the backlight of a display panel using a PWM driver in uboot. For this, we tried enabling the pwm_backlight.c driver available in /drivers/video/ in uboot.Following con...
Hello ST Dear ST Community, I'm currently trying to migrate my solution from stm32mp1-openstlinux-5-4-dunfell-mp1-20-06-24 to stm32mp1-openstlinux-5.15-yocto-kirkstone-mp1-v22.06.15 Im using a ST7789V Based LCD, and its working trough /dev/fb0 and ...
Dear all,on a custom board based on STM32MP157D I successfully managed to configure an LCD display that works perfectly using "modetest -s" and "psplash-drm". But I cannot run the examples in the st-example-image-qt because I always get the same erro...
Hello. I am a newbie when it comes to using this device. I already know how to compile a custom image in yocto framework and I am able to rewrite the device tree to configure some of the input devices. However, I am experiencing problems in porting M...
Dear ST community,I am currently trying to install an 8bit 8080 LCD , and i figured out that it needs FMC $ to be set up in devicetree in order to interface with it using DRM in Linux. i have the following device tree pinctrl nodes setup fmc_pins_m...
i have been trying to use the LTDC peripheral on the Linux kernel to use it on the ILI9340 / ILI9340 in 8 bit mode.i use this in the device tree: <dc { status = "okay"; port { #address-cells = <1>; #size-cells = <0>; ltdc_ep1_out: endpoi...
My rgb lcd screen does not display。My board is based on the STM32MP153AAA3 design, using a separate power supply.This is my schematic diagramThis is the timing of the LCD This is the LCD device tree This is some panel-simple driver codeHere are...
