I am currently working on a project, I have Verdin Toradex Development Board iMX8M Plus , with two HDMI connectors.
Kernel Version : 5.4
U-boot Version : 2020.04
My objective is to set up a cloning configuration for dual HDMI displays, but I am encountering difficulties in achieving this setup.
I have attempted the following steps to configure the cloning mode:
-
I have modified the U-Boot environment variables using the following settings:
“setenv setupargs console=tty1 console=ttymxc2,115200 consoleblank=0 earlycon video=HDMI-A-1:1280x720-16@60D video=HDMI-A-2:1280x720-16@60D” -
I experimented with two variations of the
weston.iniconfiguration files:- weston.ini file
[output]
name=HDMI-A-1
mode=1920x1080@60
#transform=90[output]
name=HDMI-A-2
mode=1920x1080@60
#transform=90[output]
name=HDMI-A-1
mode=off[output]
name=HDMI-A-1
same-as=HDMI-A-2
Despite making these changes, both HDMI displays initialize simultaneously during boot-up. However, when I run applications such as Qt or play an MP4 video, the content is only visible on one of the display.
I did notice an interesting behavior during the flashing process using tezi.itb . At this stage, both displays show same content, suggesting that the cloning configuration might be applied during this process. If possible may I know how we are able to see toradex easy install on both the displays at the same time?
I am reaching out to the community in the hopes of receiving guidance and insights regarding this issue. If anyone has successfully configured a dual HDMI display cloning setup on the VerdIn Toradex iMX8M Plus Dev Board,
Thanks,
Himanshu Bhavani