Hi Chip experts,
According to the document, xrandr command already supported.
i.MX_6_Graphics_Users_Guide.pdf
https://community.freescale.com/message/520370
So I tried to change --brightness or --gamma of my SabreSD board but nothing changed.
Have those xrandr parameters been supported?
If somebody knows, please let me know. Please see attached log.
Thanks.
root@imx6dlsabresd:~# export DISPLAY=:0.0
root@imx6dlsabresd:~# xrandr --output "DISP3 BG - DI1" --brightness 0.5
root@imx6dlsabresd:~# xrandr --output "DISP3 BG - DI1" --gamma 1.5:1.5:1.5
root@imx6dlsabresd:~# xrandr --verbose
Screen 0: minimum 240 x 240, current 1024 x 768, maximum 8192 x 8192
DISP3 BG - DI1 connected 1024x768+0+0 (0x40) normal (normal left inverted right x axis y axis) 0mm x 0mm
Identifier: 0x3f
Timestamp: 1838592668
Subpixel: unknown
Gamma: 1.0:1.0:1.0
Brightness: 0.0
Clones:
CRTC: 0
CRTCs: 0
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
U:1024x768p-60 (0x40) 65.0MHz -HSync -VSync -CSync *current +preferred
h: width 1024 start 1064 end 1124 total 1344 skew 0 clock 48.4KHz
v: height 768 start 775 end 785 total 806 clock 60.0Hz
root@imx6dlsabresd:~# xrandr -o left
root@imx6dlsabresd:~# xrandr -o right
root@imx6dlsabresd:~# xrandr -o inverted
root@imx6dlsabresd:~# xrandr -o normal
root@imx6dlsabresd:~# xrandr -s 1920x1080
Size 1920x1080 not found in available modes
root@imx6dlsabresd:~# xrandr -s 1024x768