a. Based on DSI and HDMI interfaces, if two screens are lit simultaneously, is it HDMI supported 4K@60HZ , Can mipi reach 1080p60Hz?
b. Is there a bug in the kernel version 4.14.98? Do you need to switch to another version to achieve dual screen display?
c. If possible, how should the device tree be modified?
d. How to test the resolution and refresh rate of two screens through the command line?
e. How can the debugging information of DRM be opened by modifying the kernel code?Looking forward to your reply, thank you very much
