Hello,
When I run the graphic application after starting the video chain starts then there is no issue.
root@dm814x:~# cat /sys/devices/platform/vpss/display0/enabled
1
root@dm814x:~# cat /sys/devices/platform/vpss/display1/enabled
1
root@dm814x:~# cat /sys/devices/platform/vpss/graphics0/enabled
1
root@dm814x:~# cat /sys/devices/platform/vpss/display0/timings
65000,1024/24/160/136,768/3/29/6,1
root@dm814x:~# cat /sys/devices/platform/vpss/display1/timings
65000,1024/24/160/136,768/3/29/6,1
root@dm814x:~# cat /sys/devices/platform/vpss/display1/source
hdmi
root@dm814x:~# cat /sys/devices/platform/vpss/display0/mode
1024x768@60
root@dm814x:~# cat /sys/devices/platform/vpss/display1/mode
1024x768@60
root@dm814x:~# cat /sys/devices/platform/vpss/display0/clksrc
dclk
root@dm814x:~# cat /sys/devices/platform/vpss/display1/clksrc
dclk
root@dm814x:~# cat /sys/devices/platform/vpss/display0/saturation
128
root@dm814x:~# cat /sys/devices/platform/vpss/display1/saturation
128
root@dm814x:~# cat /sys/devices/platform/vpss/display0/hue
31
root@dm814x:~# cat /sys/devices/platform/vpss/display1/hue
31
root@dm814x:~# cat /sys/devices/platform/vpss/display0/contrast
128
root@dm814x:~# cat /sys/devices/platform/vpss/display1/contrast
128
root@dm814x:~# cat /sys/devices/platform/vpss/display0/order
0,0
root@dm814x:~# cat /sys/devices/platform/vpss/display1/order
0,0
root@dm814x:~# cat /sys/devices/platform/vpss/system/tiedvencs
5
root@dm814x:~#
When I configure all the above parameters before using the video chain, and try to run the graphic application -> there is nothing on screen.
I also noticed that I can't set dclk into display1:
root@dm814x:~# echo 0 >/sys/devices/platform/vpss/display0/enabled
root@dm814x:~# echo 0 >/sys/devices/platform/vpss/display1/enabled
root@dm814x:~# echo dclk >/sys/devices/platform/vpss/display0/clksrc
root@dm814x:~# echo dclk >/sys/devices/platform/vpss/display1/clksrc
-sh: echo: write error: Invalid argument
Thank you,
Ran