From: Simon Ser <contact@emersion.fr>
To: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
Gerd Hoffmann <kraxel@redhat.com>,
Linux Fbdev development list <linux-fbdev@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Helge Deller <deller@gmx.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
DRI Development <dri-devel@lists.freedesktop.org>,
Javier Martinez Canillas <javierm@redhat.com>,
Sven Schnelle <svens@stackframe.org>
Subject: Re: [PATCH] MAINTAINERS: Add Helge as fbdev maintainer
Date: Tue, 18 Jan 2022 14:39:14 +0000 [thread overview]
Message-ID: <vUIPai73T-nuC9ppTs9iaxFwCLWyB3ip7A3zfbhJTyYBqlqJLbOU217hKMAjZNrSnSdeKJa_3cnsr3S7vsK1QuxH22ESAGN-iZXF0DigALU=@emersion.fr> (raw)
In-Reply-To: <3f96f393-e59d-34ac-c98b-46180e2225cd@suse.de>
On Tuesday, January 18th, 2022 at 15:23, Thomas Zimmermann <tzimmermann@suse.de> wrote:
> Am 18.01.22 um 09:10 schrieb Geert Uytterhoeven:
> > Hi Gerd,
> >
> > On Tue, Jan 18, 2022 at 7:30 AM Gerd Hoffmann <kraxel@redhat.com> wrote:
> >> Also note that using a shadow framebuffer allows to decouple fbcon
> >> updates and scanout framebuffer updates. Can be used to speed up
> >> things without depending on the 2d blitter.
> >
> > Assuming accesses to the shadow frame buffer are faster than accesses
> > to the scanout frame buffer. While this is true on modern hardware,
> > this is not the case on all hardware. Especially if the shadow frame
> > buffer has a higher depth (XRGB8888) than the scanout frame buffer
> > (e.g. Cn)...
> >
> > The funny thing is that the systems we are interested in, once used
> > to be known for their graphics capabilities and/or performance...
>
> What I still don't understand: why are you so keen on maintaining an
> interface that only serves the console? Nothing else uses fbdev these
> days. Why not improve DRM/userspace to the point where it fits your
> requirements? Long-term, the latter would make a lot more sense.
+1
If you need any help with adapting user-space, feel free to ping me. I'd be
interested in discussing, providing feedback and potentially user-space
patches.
next prev parent reply other threads:[~2022-01-18 14:39 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-14 18:11 [PATCH] MAINTAINERS: Add Helge as fbdev maintainer Helge Deller
2022-01-14 18:31 ` Geert Uytterhoeven
2022-01-17 9:48 ` Daniel Vetter
2022-01-17 10:02 ` Daniel Vetter
2022-01-17 10:19 ` Javier Martinez Canillas
2022-01-17 10:49 ` Jani Nikula
2022-01-17 10:57 ` Helge Deller
2022-01-17 12:15 ` Helge Deller
2022-01-17 12:57 ` Gerd Hoffmann
2022-01-17 13:29 ` Geert Uytterhoeven
2022-01-17 13:51 ` Thomas Zimmermann
2022-01-17 14:10 ` Geert Uytterhoeven
2022-01-17 14:47 ` Helge Deller
2022-01-17 15:03 ` Daniel Vetter
2022-01-17 20:17 ` Helge Deller
2022-01-18 6:29 ` Gerd Hoffmann
2022-01-18 8:10 ` Geert Uytterhoeven
2022-01-18 11:44 ` Daniel Vetter
2022-01-18 14:23 ` Thomas Zimmermann
2022-01-18 14:39 ` Simon Ser [this message]
2022-01-20 12:50 ` Gerd Hoffmann
2022-01-21 8:55 ` Daniel Vetter
2022-01-24 18:38 ` Geert Uytterhoeven
2022-01-24 18:50 ` Daniel Vetter
2022-01-24 19:05 ` Thomas Zimmermann
2022-01-18 8:20 ` Helge Deller
2022-01-18 9:16 ` Gerd Hoffmann
2022-01-18 10:13 ` Helge Deller
2022-01-18 10:44 ` Helge Deller
2022-01-18 12:48 ` Gerd Hoffmann
2022-01-17 15:05 ` Thomas Zimmermann
2022-01-17 16:05 ` Helge Deller
2022-01-17 14:53 ` Thomas Zimmermann
2022-01-18 6:11 ` Gerd Hoffmann
2022-01-18 8:09 ` Helge Deller
2022-01-17 15:00 ` Daniel Vetter
2022-01-17 15:42 ` Helge Deller
2022-01-17 15:56 ` Daniel Vetter
2022-01-17 15:58 ` Thomas Zimmermann
2022-01-17 16:21 ` Helge Deller
2022-01-17 16:38 ` Daniel Vetter
2022-01-17 17:19 ` Helge Deller
2022-01-17 19:45 ` Helge Deller
2022-01-17 21:55 ` Ilia Mirkin
2022-01-18 11:14 ` Daniel Vetter
2022-01-18 14:14 ` Thomas Zimmermann
2022-01-17 21:40 ` Jani Nikula
2022-01-17 21:44 ` Helge Deller
2022-01-18 8:38 ` Jani Nikula
2022-01-18 8:41 ` Geert Uytterhoeven
2022-01-18 11:41 ` Daniel Vetter
2022-01-18 12:11 ` Simon Ser
2022-01-18 8:54 ` Helge Deller
2022-01-18 9:33 ` Javier Martinez Canillas
2022-01-18 9:45 ` Geert Uytterhoeven
2022-01-18 11:18 ` Daniel Vetter
2022-01-18 11:42 ` Helge Deller
2022-01-18 8:41 ` Helge Deller
2022-01-18 9:12 ` Helge Deller
2022-01-17 11:16 ` Thomas Zimmermann
2022-01-17 11:33 ` Helge Deller
2022-01-17 12:13 ` Thomas Zimmermann
2022-01-17 18:47 ` Sven Schnelle
2022-01-18 8:33 ` Pekka Paalanen
2022-01-18 9:53 ` Gerd Hoffmann
2022-01-18 11:22 ` Daniel Vetter
2022-01-18 12:07 ` Gerd Hoffmann
2022-01-19 8:39 ` Pekka Paalanen
2022-01-20 9:06 ` Geert Uytterhoeven
2022-01-20 11:32 ` Daniel Vetter
2022-01-20 12:13 ` Geert Uytterhoeven
2022-01-20 12:33 ` Daniel Vetter
2022-01-20 12:46 ` Geert Uytterhoeven
2022-01-24 18:50 ` Geert Uytterhoeven
2022-01-24 19:37 ` Daniel Vetter
2022-01-20 11:51 ` Gerd Hoffmann
2022-01-18 8:58 ` Michel Dänzer
2022-01-18 10:05 ` Sven Schnelle
2022-01-18 14:06 ` Thomas Zimmermann
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