My product is need to clone the LVDS and HDMI, the LVDS is primary.
I have already configure these display successful, but it is extended mode.
I enable by device tree overlay (that i have a little bit modified) in /boot/overlays.txt
I add the “same-as=” in [output] weston.ini, but after reboot, both LVDS and HDMI not display.
apalis-imx8_hdmi_overlay.dts (863 Bytes)
apalis-imx8_panel-lvds-dual-channel-1080p_overlay.dts (971 Bytes)
weston.ini (776 Bytes)
weston.log (5.8 KB)
I attached the device tree and the weston.ini, weston.log
I investigate it for one week and try many solution on the internet but not work.
Apalis iMX8QP 2G v1.1C
TDX Wayland with XWayland 5.7.2+build.21 (dunfell)
This same topic has been brought up, and it looks like there is a work around that has been posted via the nxp link given in this thread:
I am developing a medical device which is required to have a touchscreen display and also mirror the output to a monitor connected via HDMI. I am able to get the display extended from HDMI to LVDS, but not have the output mirrored to both displays.
Ixora Carrier Board
Apalis iMX8 QuadMax 4GB Wi-Fi / Bluetooth IT
Capacitive Touch Display 10.1" LVDS
I have this version of TorizonCore:
Thank you for your reply.
The nxp link mentioned is applied for iMX6 series not for iMX8 (not use fbdev). I also try it before i post but not work.
I configured successfully for clone / mirror mode. Thank you all.
I follow below link to apply the patch.
And add clone-from section:
This is my patch:
clone-from-LVDS-to-HDMI.patch (34.7 KB)
After rebuild yocto and install new image. The clone will work.
@HieuNong thanks a lot for taking the time to not only solve this but to report back for future reference. This is very much appreciated!