linux-kernel - Re: [patch 2/4] fbdev: Add fb_append_extra

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Date:	Fri, 13 Jul 2007 19:45:34 +0800
From:	"Antonino A. Daplas" <adaplas@...il.com>
To:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	James Simmons <jsimmons@...radead.org>,
	linux-fbdev-devel@...ts.sourceforge.net, cbe-oss-dev@...abs.org,
	linux-kernel@...r.kernel.org,
	Geoff Levand <geoffrey.levand@...sony.com>
Subject: Re: [patch 2/4] fbdev: Add fb_append_extra_logo()

On Fri, 2007-07-13 at 08:56 +0200, Geert Uytterhoeven wrote:
> On Fri, 13 Jul 2007, Antonino A. Daplas wrote:
> > On Tue, 2007-07-10 at 14:27 +0200, Geert Uytterhoeven wrote:
> > > --- a/drivers/video/fbmem.c
> > > +++ b/drivers/video/fbmem.c
> > > @@ -318,6 +318,13 @@ static struct logo_data {
> > >  	const struct linux_logo *logo;
> > >  } fb_logo __read_mostly;
> > >  
> > > +#define FB_LOGO_EX_NUM_MAX 10
> > > +static struct logo_data_extra {
> > > +	const struct linux_logo *logo;
> > > +	unsigned int n;
> > > +} fb_logo_ex[FB_LOGO_EX_NUM_MAX];
> > > +static unsigned int fb_logo_ex_num;
> > > +
> > >  static void fb_rotate_logo_ud(const u8 *in, u8 *out, u32 width, u32 height)
> > >  {
> > >  	u32 size = width * height, i;
> > > @@ -411,10 +418,22 @@ static void fb_do_show_logo(struct fb_in
> > >  	}
> > >  }
> > >  
> > > +#ifdef CONFIG_FB
> > 
> > The #ifdef is redundant.
> 
> IIRC, it's needed for the CONFIG_FB=m case.

What would happen if CONFIG_FB=m? (We already have a patch that prevents
logo drawing if the driver or fbcon is modular)

Tony


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