On Sat, Jan 20, 2007 at 06:33:35PM +0000, TJ wrote:
> I've been investigating this issue on two notebooks that have i815
> chipsets, with Ubuntu Edgy 6.10 (2.6.17-10).
>
> The reason i810fb (and most other framebuffers) isn't available at
> boot-time when compiled as a module is that the framebuffer drivers
> have to call drivers/video/fbmem.c's fb_get_options() function, but
> when built as a module the code to make that call and parse the
> command-line isn't compiled in drivers/video/i810/i810_main.c:
>
> #ifndef MODULE
> static int __devinit i810fb_init(void)
> {
> char *option = NULL;
>
> if (fb_get_options("i810fb", &option))
> return -ENODEV;
> i810fb_setup(option);
>
> return pci_register_driver(&i810fb_driver);
> }
> #endif
>
> I looked at the source for several other XXXXfb drivers and they all
> have the same structure.
The argument handling is done differently for the modular case; elsewhere in
the file you'll find module_param macros for that purpose.
--
- mdz
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