Unable to get STM32 DDR PMU clockstm32-display 5a001000.display-controller: stm_drm_platform_probestm32-display 5a001000.display-controller: drv_load:-517debugfs: Directory 'cpu0' with parent 'opp' already present!remoteproc remoteproc0: releasing m4...

Kernel version：5.4.31Unable to get STM32 DDR PMU clockstm32-display 5a001000.display-controller: stm_drm_platform_probestm32-display 5a001000.display-controller: drv_load:-517debugfs: Directory 'cpu0' with parent 'opp' already present!remoteproc remo...

I compiled uboot and Linux kernel packages, used a brand new SD card.and used "sgdisk" to divide them into five areas. fsbl1,fsbl2,ssbl,bootfs,rootfs.Use the following command to complete the burning of u-boot：---------------------------------------...

As shown in the figure. an error dialog box appears when starting the software

Now the project uses STM32L431RC external nor flash to save the data. I want to replace STM32L431RB external QSPI flash, which can reduce the cost, but the program byte is too large, so it needs to be put into the QSPI device to run. QSPI flash is di...