linux-kernel - Re: [PATCH 2/2] Revert "fbcon: Disable accelerated scrolling"

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Message-ID: <2d608d02-54ec-94b6-83c4-9f6c29c34c27@suse.de>
Date:   Mon, 24 Jan 2022 17:11:46 +0100
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:     Helge Deller <deller@....de>, Gerd Hoffmann <kraxel@...hat.com>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Pavel Machek <pavel@....cz>, Sam Ravnborg <sam@...nborg.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sven Schnelle <svens@...ckframe.org>,
        Javier Martinez Canillas <javierm@...hat.com>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Claudio Suarez <cssk@...-c.es>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Daniel Vetter <daniel.vetter@...el.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [PATCH 2/2] Revert "fbcon: Disable accelerated scrolling"

Hi

Am 24.01.22 um 16:50 schrieb Geert Uytterhoeven:
> On Mon, Jan 24, 2022 at 12:33 PM Thomas Zimmermann <tzimmermann@...e.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@...ux-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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