Messages in this thread | | | Date | Tue, 18 Jan 2022 15:23:41 +0100 | Subject | Re: [PATCH] MAINTAINERS: Add Helge as fbdev maintainer | From | Thomas Zimmermann <> |
| |
Hi
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.
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 [unhandled content-type:application/pgp-signature] | |