[PATCH] fbcon: Export fbcon_remap_all

[Maarten Lankhorst]

Op 24-06-2019 om 10:32 schreef Daniel Vetter:
> Fixes linking fail when fbcon/fbdev is moduler and vgaswitcheroo is
> enabled:
>
> x86_64-linux-gnu-ld: drivers/gpu/vga/vga_switcheroo.o: in function `vga_switchto_stage2':
> vga_switcheroo.c:(.text+0x997): undefined reference to `fbcon_remap_all'
>
> Reported-by: Stephen Rothwell <sfr at canb.auug.org.au>
> Reported-by: kbuild test robot <lkp at intel.com>
> Fixes: 1cd51b5d200d ("vgaswitcheroo: call fbcon_remap_all directly")
> Cc: Stephen Rothwell <sfr at canb.auug.org.au>
> Cc: Lukas Wunner <lukas at wunner.de>
> Cc: Daniel Vetter <daniel.vetter at intel.com>
> Cc: Sam Ravnborg <sam at ravnborg.org>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: David Airlie <airlied at linux.ie>
> Cc: Daniel Vetter <daniel at ffwll.ch>
> Cc: Maxime Ripard <maxime.ripard at bootlin.com>
> Cc: Sean Paul <sean at poorly.run>
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie at samsung.com>
> Cc: Hans de Goede <hdegoede at redhat.com>
> Cc: Yisheng Xie <ysxie at foxmail.com>
> Cc: linux-fbdev at vger.kernel.org
> Cc: Daniel Thompson <daniel.thompson at linaro.org>
> Cc: Lee Jones <lee.jones at linaro.org>
> Cc: dri-devel at lists.freedesktop.org
> Cc: linux-fbdev at vger.kernel.org
> --
> wrt merging probably best if Maarten adds this to the topic branch we
> have already and sends out an updated pull request.
>
> Apologies for the mess.
> -Daniel
> ---
>  drivers/video/fbdev/core/fbcon.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
> index c9235a2f42f8..199ca723c768 100644
> --- a/drivers/video/fbdev/core/fbcon.c
> +++ b/drivers/video/fbdev/core/fbcon.c
> @@ -3194,6 +3194,7 @@ void fbcon_remap_all(struct fb_info *info)
>  	}
>  	console_unlock();
>  }
> +EXPORT_SYMBOL(fbcon_remap_all);
>  
>  #ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY
>  static void fbcon_select_primary(struct fb_info *info)

Did you test this on a allmodconfig?

fbcon_remap_all is in a module, vga switcheroo is builtin, even with this patch you will still get the same compile failure.

~Maarten