Hello Huacai, On 5/21/22 09:37, Huacai Chen wrote: [snip] >> >> A problem with moving to subsys_initcall_sync() is that this will delay >> more when a display is available in the system, and just to cope up with >> a corner case (as mentioned the common case is native drivers as module). > OK, your method seems better, but I think moving to > subsys_initcall_sync() can make the screen display as early as > possible. > But it doesn't cover all cases. For example, you will get the same error if for example your native driver is built-in and efifb built as module. So my opinion is that instead of playing with the init call levels, is just better for you to build your native driver as a module instead of making it built-in. -- Best regards, Javier Martinez Canillas Linux Engineering Red Hat