Hi everyone.
I am having a imx8mm evk board and use yocto project to build linux image with BSP 4.14.98.
When i run ./autorun-fb.sh in /unit_tests/Display. I get the following error:
root@imx8mmevk:/unit_tests/Display# ls ./autorun-fb.sh
---- Running < autorun-fb.sh > test ----
Checking for devnode: /dev/fb0
autorun-fb.sh: PASS devnode found: /dev/fb0
FB Blank test
Screen should be off
FB Color test
Setting FB to 16-bpp
./autorun-fb.sh: line 35: echo: write error: Invalid argument
FAIL - Unable to set bpp
Setting FB to 24-bpp
./autorun-fb.sh: line 35: echo: write error: Invalid argument
FAIL - Unable to set bpp
Setting FB to 32-bpp
FB panning test
./autorun-fb.sh: line 62: echo: write error: Invalid argument
FAIL - Unable to set virtual size
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
.......................................
FAIL - Unable to pan
./autorun-fb.sh: line 73: echo: write error: Invalid argument
FAIL - Unable to pan
autorun-fb.sh: Exiting FAIL
root@imx8mmevk:/unit_tests/Display#
Can anyone help me to test display?
Best regards!