Geert,

On Fri, Sep 13, 2013 at 9:34 AM, Geert Uytterhoeven
<[email protected]> wrote:
> When doing a kexec (WIP) on ARAnyM while the screen was blanked, the
> kexec'd kernel failed to initialize atafb. If the screen isn't
> blanked, it works fine.
>
> Difference between success and failure is:
>
>  atafb_init: start
>  atafb_init: initializing Falcon hw
> -atafb: screen_base 0068c000 real_screen_base 0068c000 screen_len 311296
> -Determined 640x480, depth 4
> -   virtual 640x972
> -Console: switching to colour frame buffer device 80x30
> -fb0: frame buffer device, using 304K of video memory
> +atafb: screen_base 0068c000 real_screen_base 0068c000 screen_len 4096

That's odd - the screen size has been lost completely.

> I guess atafb should unblank on shutdown to restore the videl registers, so it
> will detect the correct video mode on re-initialization?

That might be the best option (and would be helpful anyway).

Cheers,

  Michael


On Fri, Sep 13, 2013 at 9:34 AM, Geert Uytterhoeven
<[email protected]> wrote:
> When doing a kexec (WIP) on ARAnyM while the screen was blanked, the
> kexec'd kernel failed to initialize atafb. If the screen isn't
> blanked, it works fine.
>
> Difference between success and failure is:
>
>  atafb_init: start
>  atafb_init: initializing Falcon hw
> -atafb: screen_base 0068c000 real_screen_base 0068c000 screen_len 311296
> -Determined 640x480, depth 4
> -   virtual 640x972
> -Console: switching to colour frame buffer device 80x30
> -fb0: frame buffer device, using 304K of video memory
> +atafb: screen_base 0068c000 real_screen_base 0068c000 screen_len 4096
>
> I guess atafb should unblank on shutdown to restore the videl registers, so it
> will detect the correct video mode on re-initialization?
>
> Gr{oetje,eeting}s,
>
>                         Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- 
> [email protected]
>
> 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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