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From: Thomas Zimmermann <tzimmermann@suse.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Helge Deller <deller@gmx.de>, Gerd Hoffmann <kraxel@redhat.com>,
	Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
	Pavel Machek <pavel@ucw.cz>, Sam Ravnborg <sam@ravnborg.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Sven Schnelle <svens@stackframe.org>,
	Javier Martinez Canillas <javierm@redhat.com>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Claudio Suarez <cssk@net-c.es>,
	Tomi Valkeinen <tomi.valkeinen@ti.com>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH 2/2] Revert "fbcon: Disable accelerated scrolling"
Date: Mon, 24 Jan 2022 17:11:46 +0100	[thread overview]
Message-ID: <2d608d02-54ec-94b6-83c4-9f6c29c34c27@suse.de> (raw)
In-Reply-To: <CAMuHMdXu_paBcNhevgxXzr1pEes7qWtD=RHXTrqP=hxNBkupnw@mail.gmail.com>


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Hi

Am 24.01.22 um 16:50 schrieb Geert Uytterhoeven:
> On Mon, Jan 24, 2022 at 12:33 PM Thomas Zimmermann <tzimmermann@suse.de> wrote:
>> With fbdev emulation, every DRM driver is an fbdev driver too. So
> 
> Some are even without?
> 
> drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:     ret = register_framebuffer(info);

Well, I counted this as 'emulation' as well. There's fully 
driver-agnostic fbdev support in DRM, but some drivers still run their 
own. At some point, we want all drivers to use DRM's generic solution.

Best regards
Thomas

> 
> 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

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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WARNING: multiple messages have this Message-ID (diff)
From: Thomas Zimmermann <tzimmermann@suse.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
	Sven Schnelle <svens@stackframe.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Helge Deller <deller@gmx.de>,
	Javier Martinez Canillas <javierm@redhat.com>,
	DRI Development <dri-devel@lists.freedesktop.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Tomi Valkeinen <tomi.valkeinen@ti.com>,
	Claudio Suarez <cssk@net-c.es>, Gerd Hoffmann <kraxel@redhat.com>,
	Pavel Machek <pavel@ucw.cz>,
	Daniel Vetter <daniel.vetter@intel.com>,
	Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [PATCH 2/2] Revert "fbcon: Disable accelerated scrolling"
Date: Mon, 24 Jan 2022 17:11:46 +0100	[thread overview]
Message-ID: <2d608d02-54ec-94b6-83c4-9f6c29c34c27@suse.de> (raw)
In-Reply-To: <CAMuHMdXu_paBcNhevgxXzr1pEes7qWtD=RHXTrqP=hxNBkupnw@mail.gmail.com>


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Hi

Am 24.01.22 um 16:50 schrieb Geert Uytterhoeven:
> On Mon, Jan 24, 2022 at 12:33 PM Thomas Zimmermann <tzimmermann@suse.de> wrote:
>> With fbdev emulation, every DRM driver is an fbdev driver too. So
> 
> Some are even without?
> 
> drivers/gpu/drm/vmwgfx/vmwgfx_fb.c:     ret = register_framebuffer(info);

Well, I counted this as 'emulation' as well. There's fully 
driver-agnostic fbdev support in DRM, but some drivers still run their 
own. At some point, we want all drivers to use DRM's generic solution.

Best regards
Thomas

> 
> 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

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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  reply	other threads:[~2022-01-24 16:11 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-19 11:08 [PATCH 0/2] Fix regression introduced by disabling accelerated scrolling in fbcon Helge Deller
2022-01-19 11:08 ` [PATCH 1/2] Revert "fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from TODO list)" Helge Deller
2022-01-19 11:08 ` [PATCH 2/2] Revert "fbcon: Disable accelerated scrolling" Helge Deller
2022-01-19 11:22   ` Greg Kroah-Hartman
2022-01-19 11:22     ` Greg Kroah-Hartman
2022-01-19 11:28     ` Greg Kroah-Hartman
2022-01-19 11:28       ` Greg Kroah-Hartman
2022-01-19 11:47       ` Geert Uytterhoeven
2022-01-19 11:47         ` Geert Uytterhoeven
2022-01-19 12:28         ` Helge Deller
2022-01-19 12:28           ` Helge Deller
2022-01-19 14:01           ` Linus Torvalds
2022-01-19 14:01             ` Linus Torvalds
2022-01-19 14:11             ` Helge Deller
2022-01-19 14:11               ` Helge Deller
2022-01-19 14:34             ` Daniel Vetter
2022-01-19 14:34               ` Daniel Vetter
2022-01-19 15:05               ` Sven Schnelle
2022-01-19 15:05                 ` Sven Schnelle
2022-01-19 15:37                 ` Thomas Zimmermann
2022-01-19 15:37                   ` Thomas Zimmermann
2022-01-19 16:55                   ` Helge Deller
2022-01-19 16:55                     ` Helge Deller
2022-01-19 15:42                 ` Daniel Vetter
2022-01-19 15:42                   ` Daniel Vetter
2022-01-19 15:54                   ` Helge Deller
2022-01-19 15:54                     ` Helge Deller
2022-01-19 16:13                     ` Jani Nikula
2022-01-19 16:13                       ` Jani Nikula
2022-01-19 16:31                       ` Daniel Vetter
2022-01-19 16:31                         ` Daniel Vetter
2022-01-19 15:18               ` Helge Deller
2022-01-19 15:18                 ` Helge Deller
2022-01-19 13:01       ` Sven Schnelle
2022-01-19 13:01         ` Sven Schnelle
2022-01-19 13:35         ` Greg Kroah-Hartman
2022-01-19 13:35           ` Greg Kroah-Hartman
2022-01-20 14:30   ` Daniel Vetter
2022-01-20 14:30     ` Daniel Vetter
2022-01-20 17:01     ` Helge Deller
2022-01-21  7:20       ` Gerd Hoffmann
2022-01-21  7:20         ` Gerd Hoffmann
2022-01-24 11:10         ` Helge Deller
2022-01-24 11:10           ` Helge Deller
2022-01-24 11:28           ` Javier Martinez Canillas
2022-01-24 11:28             ` Javier Martinez Canillas
2022-01-24 11:33           ` Thomas Zimmermann
2022-01-24 11:33             ` Thomas Zimmermann
2022-01-24 11:50             ` Javier Martinez Canillas
2022-01-24 11:50               ` Javier Martinez Canillas
2022-01-24 15:29               ` Helge Deller
2022-01-24 15:29                 ` Helge Deller
2022-01-24 15:45                 ` Thomas Zimmermann
2022-01-24 15:45                   ` Thomas Zimmermann
2022-01-24 15:50                 ` Geert Uytterhoeven
2022-01-24 15:50                   ` Geert Uytterhoeven
2022-01-24 15:58                 ` Daniel Vetter
2022-01-24 15:58                   ` Daniel Vetter
2022-01-24 15:50             ` Geert Uytterhoeven
2022-01-24 15:50               ` Geert Uytterhoeven
2022-01-24 16:11               ` Thomas Zimmermann [this message]
2022-01-24 16:11                 ` Thomas Zimmermann
2022-01-19 12:45 ` [PATCH 0/2] Fix regression introduced by disabling accelerated scrolling in fbcon Geert Uytterhoeven
2022-01-19 12:45   ` Geert Uytterhoeven
2022-01-19 13:02 ` Sven Schnelle
2022-01-19 13:02   ` Sven Schnelle

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