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SubjectRe: [PATCH] fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line, option
Hi Peter,

On Mon, Jan 7, 2019 at 9:26 AM Peter Rosin <peda@axentia.se> wrote:
> On 2019-01-06 10:33, Geert Uytterhoeven wrote:
> > On Mon, Nov 26, 2018 at 10:59 PM Peter Rosin <peda@axentia.se> wrote:
> >> If there are extra logos (CONFIG_FB_LOGO_EXTRA) the heights of these
> >> extra logos are not considered when centering the first logo vertically.
> >>
> >> Signed-off-by: Peter Rosin <peda@axentia.se>
> >
> >> --- a/drivers/video/logo/Kconfig
> >> +++ b/drivers/video/logo/Kconfig
> >> @@ -10,6 +10,15 @@ menuconfig LOGO
> >>
> >> if LOGO
> >>
> >> +config FB_LOGO_CENTER
> >> + bool "Center the logo"
> >> + depends on FB=y
> >> + help
> >> + When this option is selected, the bootup logo is centered both
> >> + horizontally and vertically. If more than one logo is displayed
> >> + due to multiple CPUs, the collected line of logos is centered
> >> + as a whole.
> >> +
> >
> > Isn't a kernel command line option more suitable to configure the position
> > of the logo?
>
> That didn't occur to me previously, but it does make sense now that you
> mention it. This is on top of v5.0-rc1, and if applied before v5.0 we
> can avoid possible regressions for folks who might start to rely on
> CONFIG_FB_LOGO_CENTER if v5.0 is released w/o this.
>
> Cheers,
> Peter
>
> From de7353ab519ba9b5c9ea3f62d607bb8e94b687cc Mon Sep 17 00:00:00 2001
> From: Peter Rosin <peda@axentia.se>
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: Peter Rosin <peda@axentia.se>
> Cc: dri-devel@lists.freedesktop.org
> Cc: linux-fbdev@vger.kernel.org
> Cc: linux-doc@vger.kernel.org
> To: linux-kernel@vger.kernel.org
> Date: Mon, 7 Jan 2019 08:35:26 +0100
> Subject: [PATCH] fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line
> option
>
> A command line option is much more flexible than a config option and
> the supporting code is small. Gets rid of #ifdefs in the code too...
>
> Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org>
> Signed-off-by: Peter Rosin <peda@axentia.se>

Thanks for your patch!

> --- a/Documentation/fb/fbcon.txt
> +++ b/Documentation/fb/fbcon.txt
> @@ -163,6 +163,12 @@ C. Boot options
> be preserved until there actually is some text is output to the console.
> This option causes fbcon to bind immediately to the fbdev device.
>
> +7. fbcon=center-logo
> +
> + When this option is selected, the bootup logo is centered both
> + horizontally and vertically. If more than one logo is displayed due to
> + multiple CPUs, the collected line of logos is centered as a whole.
> +

What about making this more generic, than an option specific for centering?
Else people want fbcon=left-logo or fbcon=right-logo soon?

fbcon=logo-pos:<pos>

With <pos> being "center", "left", "top", "right", "bottom", and combinations
like "top,center"? Or is that complicating stuff too much?

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@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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