[Intel-gfx] [PATCH 21/21] fbdev: Make registered_fb[] private to fbmem.c

Geert Uytterhoeven geert at linux-m68k.org
Fri Feb 4 08:30:56 UTC 2022

Hi Daniel,

Thanks for your patch!

On Tue, Feb 1, 2022 at 9:50 PM Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> Well except when the olpc dcon fbdev driver is enabled, that thing
> digs around in there in rather unfixable ways.

Can't the actual frame buffer driver (which one?) used on olpc export
a pointer to its fb_info?

> --- a/drivers/video/fbdev/core/fbmem.c
> +++ b/drivers/video/fbdev/core/fbmem.c
> @@ -48,10 +48,14 @@
>  static DEFINE_MUTEX(registration_lock);
>  struct fb_info *registered_fb[FB_MAX] __read_mostly;
> -EXPORT_SYMBOL(registered_fb);
> -
>  int num_registered_fb __read_mostly;

CONFIG_FB_OLPC_DCON (everywhere), cfr. the build failure reported
by the robot.



Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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