linux-kernel - Re: [PATCH] fbcon: garbage collect fbdev scrolling acceleration

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Message-ID: <CAMuHMdUpGDarCkvAxe1V0c4kn68dHZozdDOq+Tyx9qsCWWZU6w@mail.gmail.com>
Date:   Mon, 12 Jul 2021 13:16:17 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Hamza Mahfooz <someguy@...ective-light.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Peilin Ye <yepeilin.cs@...il.com>,
        Jing Xiangfeng <jingxiangfeng@...wei.com>,
        George Kennedy <george.kennedy@...cle.com>,
        Sam Ravnborg <sam@...nborg.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux Fbdev development list <linux-fbdev@...r.kernel.org>,
        Pavel Machek <pavel@....cz>
Subject: Re: [PATCH] fbcon: garbage collect fbdev scrolling acceleration

Hi Hamza,

On Fri, Jul 9, 2021 at 11:28 PM Hamza Mahfooz
<someguy@...ective-light.com> wrote:
> On Fri, Jul 9 2021 at 09:49:02 AM +0200, Geert Uytterhoeven
> <geert@...ux-m68k.org> wrote:
> > Bummer, more code to revert to re-enable acceleration in the _56_
> > fbdev drivers using acceleration (some of them unusable without),
> > despite commit 39aead8373b3 claiming "No other driver supportes
> > accelerated fbcon"...
> Should they be refactored to DRM drivers? (I don't mind looking into it
> if you believe it's worthwhile.)

Probably some of them can be converted.
Others must wait for DRM to gain e.g. more "low color" support
(plus whatever other dead bodies to be found during the conversion).

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