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From: Sam Ravnborg <sam@ravnborg.org>
To: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: "DRI Development" <dri-devel@lists.freedesktop.org>,
	linux-fbdev@vger.kernel.org,
	"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>,
	"Intel Graphics Development" <intel-gfx@lists.freedesktop.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"Michał Mirosław" <mirq-linux@rere.qmqm.pl>,
	"Yisheng Xie" <ysxie@foxmail.com>,
	"Hans de Goede" <hdegoede@redhat.com>,
	"Mikulas Patocka" <mpatocka@redhat.com>,
	"Thomas Zimmermann" <tzimmermann@suse.de>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Daniel Vetter" <daniel.vetter@intel.com>,
	"Peter Rosin" <peda@axentia.se>
Subject: Re: [PATCH 10/33] fbcon: call fbcon_fb_(un)registered directly
Date: Mon, 20 May 2019 19:08:20 +0200	[thread overview]
Message-ID: <20190520170820.GA27230@ravnborg.org> (raw)
In-Reply-To: <20190520082216.26273-11-daniel.vetter@ffwll.ch>

Hi Daniel.

While browsing this nice patch series I stumbled upon a detail.

On Mon, May 20, 2019 at 10:21:53AM +0200, Daniel Vetter wrote:
> With
> 
> commit 6104c37094e729f3d4ce65797002112735d49cd1
> Author: Daniel Vetter <daniel.vetter@ffwll.ch>
> Date:   Tue Aug 1 17:32:07 2017 +0200
> 
>     fbcon: Make fbcon a built-time depency for fbdev
> 
> we have a static dependency between fbcon and fbdev, and we can
> replace the indirection through the notifier chain with a function
> call.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Hans de Goede <hdegoede@redhat.com>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: "Noralf Trønnes" <noralf@tronnes.org>
> Cc: Yisheng Xie <ysxie@foxmail.com>
> Cc: Peter Rosin <peda@axentia.se>
> Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
> Cc: Thomas Zimmermann <tzimmermann@suse.de>
> Cc: Mikulas Patocka <mpatocka@redhat.com>
> Cc: linux-fbdev@vger.kernel.org
> ---
> diff --git a/include/linux/fb.h b/include/linux/fb.h
> index f52ef0ad6781..701abaf79c87 100644
> --- a/include/linux/fb.h
> +++ b/include/linux/fb.h
> @@ -136,10 +136,6 @@ struct fb_cursor_user {
>  #define FB_EVENT_RESUME			0x03
>  /*      An entry from the modelist was removed */
>  #define FB_EVENT_MODE_DELETE            0x04
> -/*      A driver registered itself */
> -#define FB_EVENT_FB_REGISTERED          0x05
> -/*      A driver unregistered itself */
> -#define FB_EVENT_FB_UNREGISTERED        0x06
>  /*      CONSOLE-SPECIFIC: get console to framebuffer mapping */
>  #define FB_EVENT_GET_CONSOLE_MAP        0x07
>  /*      CONSOLE-SPECIFIC: set console to framebuffer mapping */

This breaks build of arch/arm/mach-pxa/am200epd.c thats uses
FB_EVENT_FB_*REGISTERED:


       if (event == FB_EVENT_FB_REGISTERED)
                return am200_share_video_mem(info);
        else if (event == FB_EVENT_FB_UNREGISTERED)
                return am200_unshare_video_mem(info);


Found while grepping for "FB_EVENT" so this is not a build
error I triggered.

	Sam

  parent reply	other threads:[~2019-05-20 17:08 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-20  8:21 [PATCH 00/33] fbcon notifier begone! Daniel Vetter
2019-05-20  8:21 ` [PATCH 01/33] dummycon: Sprinkle locking checks Daniel Vetter
2019-05-20  8:21 ` [PATCH 02/33] fbdev: locking check for fb_set_suspend Daniel Vetter
2019-05-20  8:21 ` [PATCH 03/33] vt: might_sleep() annotation for do_blank_screen Daniel Vetter
2019-05-20  8:21 ` [PATCH 04/33] vt: More locking checks Daniel Vetter
2019-05-20  8:21 ` [PATCH 05/33] fbdev/sa1100fb: Remove dead code Daniel Vetter
2019-05-20  8:21 ` [PATCH 06/33] fbdev/cyber2000: Remove struct display Daniel Vetter
2019-05-20  8:21 ` [PATCH 07/33] fbdev/aty128fb: Remove dead code Daniel Vetter
2019-05-20  8:21 ` [PATCH 08/33] fbcon: s/struct display/struct fbcon_display/ Daniel Vetter
2019-05-20  8:21 ` [PATCH 09/33] fbcon: Remove fbcon_has_exited Daniel Vetter
2019-05-21 14:23   ` [PATCH] " Daniel Vetter
2019-05-22 10:04     ` Bartlomiej Zolnierkiewicz
2019-05-22 10:38       ` Daniel Vetter
2019-05-20  8:21 ` [PATCH 10/33] fbcon: call fbcon_fb_(un)registered directly Daniel Vetter
2019-05-20  8:33   ` Thomas Zimmermann
2019-05-20  8:37     ` Thomas Zimmermann
2019-05-21 15:09       ` Daniel Vetter
2019-05-20 17:08   ` Sam Ravnborg [this message]
2019-05-20 17:25     ` Daniel Vetter
2019-05-20  8:21 ` [PATCH 11/33] fbdev/sh_mobile: remove sh_mobile_lcdc_display_notify Daniel Vetter
2019-05-20  9:04   ` Geert Uytterhoeven
2019-05-20  8:21 ` [PATCH 12/33] fbdev/omap: sysfs files can't disappear before the device is gone Daniel Vetter
2019-05-20  8:21 ` [PATCH 13/33] fbdev: " Daniel Vetter
2019-05-20  8:21 ` [PATCH 14/33] staging/olpc: lock_fb_info can't fail Daniel Vetter
2019-05-20  8:21 ` [PATCH 15/33] fbdev/atyfb: " Daniel Vetter
2019-05-20  8:21 ` [PATCH 16/33] fbdev: lock_fb_info cannot fail Daniel Vetter
2019-05-20  8:22 ` [PATCH 17/33] fbcon: call fbcon_fb_bind directly Daniel Vetter
2019-05-20  8:22 ` [PATCH 18/33] fbdev: make unregister/unlink functions not fail Daniel Vetter
2019-05-20 19:08   ` [Intel-gfx] " kbuild test robot
2019-05-20 19:25   ` kbuild test robot
2019-05-20 21:45   ` kbuild test robot
2019-05-20  8:22 ` [PATCH 19/33] fbdev: unify unlink_framebufer paths Daniel Vetter
2019-05-21 10:52   ` Maarten Lankhorst
2019-05-20  8:22 ` [PATCH 20/33] fbdev/sh_mob: Remove fb notifier callback Daniel Vetter
2019-05-20  9:05   ` Geert Uytterhoeven
2019-05-20  9:19     ` Daniel Vetter
2019-05-20  8:22 ` [PATCH 21/33] fbdev: directly call fbcon_suspended/resumed Daniel Vetter
2019-05-20 19:24   ` kbuild test robot
2019-05-20  8:22 ` [PATCH 22/33] fbcon: Call fbcon_mode_deleted/new_modelist directly Daniel Vetter
2019-05-20  8:22 ` [PATCH 23/33] fbdev: Call fbcon_get_requirement directly Daniel Vetter
2019-05-20  8:22 ` [PATCH 24/33] Revert "backlight/fbcon: Add FB_EVENT_CONBLANK" Daniel Vetter
2019-05-20  8:22 ` [PATCH 25/33] fbcon: directly call fbcon_fb_blanked Daniel Vetter
2019-05-20  8:22 ` [PATCH 26/33] fbmem: pull fbcon_fb_blanked out of fb_blank Daniel Vetter
2019-05-20  8:22 ` [PATCH 27/33] fbdev: remove FBINFO_MISC_USEREVENT around fb_blank Daniel Vetter
2019-05-20 17:20   ` Sam Ravnborg
2019-05-20 17:29     ` Daniel Vetter
2019-05-20 17:53       ` Sam Ravnborg
2019-05-20  8:22 ` [PATCH 28/33] fb: Flatten control flow in fb_set_var Daniel Vetter
2019-05-20  8:22 ` [PATCH 29/33] fbcon: replace FB_EVENT_MODE_CHANGE/_ALL with direct calls Daniel Vetter
2019-05-21 10:56   ` Maarten Lankhorst
2019-05-21 12:42     ` Daniel Vetter
2019-05-20  8:22 ` [PATCH 30/33] vgaswitcheroo: call fbcon_remap_all directly Daniel Vetter
2019-05-20  8:37   ` Lukas Wunner
2019-05-20  8:22 ` [PATCH 31/33] fbcon: Call con2fb_map functions directly Daniel Vetter
2019-05-20 19:28   ` [Intel-gfx] " kbuild test robot
2019-05-20 19:34   ` kbuild test robot
2019-05-20  8:22 ` [PATCH 32/33] fbcon: Document what I learned about fbcon locking Daniel Vetter
2019-05-21 11:13   ` Maarten Lankhorst
2019-05-20  8:22 ` [PATCH 33/33] staging/olpc_dcon: Add drm conversion to TODO Daniel Vetter
2019-05-24  8:53 [PATCH 00/33] fbcon notifier begone! Daniel Vetter
2019-05-24  8:53 ` [PATCH 10/33] fbcon: call fbcon_fb_(un)registered directly Daniel Vetter
2019-05-28  9:02 [PATCH 00/33] fbcon notifier begone v3! Daniel Vetter
2019-05-28  9:02 ` [PATCH 10/33] fbcon: call fbcon_fb_(un)registered directly Daniel Vetter

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