IMX8QM: Could not queue DRM page flip on screen HDMI2 (Permission denied)

[vinothkumars]

Hi All,

I am working on IMX8QM-MEK with Embedded Linux (5.10.xx). I unable to render the 2nd screen and I got the following error, I don't know what could be the issue,

Could not queue DRM page flip on screen HDMI2 (Permission denied)

[igorpadykov]

Hi Vinothkumar

"Permission denied" may be related to resource management described on

https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/System-Controller-Firmware-101-Resource-...

Best regards
igor