Re: [PATCH v2 0/2] Fix regression introduced by disabling accelerated scrolling in fbcon

Cc regressions

On Mon, Jan 24, 2022 at 10:04 PM Helge Deller [off-list ref] wrote:

This series reverts two patches which disabled scrolling acceleration in
fbcon/fbdev. Those patches introduced a regression for fbdev-supported graphic
cards because of the performance penalty by doing screen scrolling by software
instead of using existing 2D hardware acceleration.

In the mean time, a userspace regression has been reported, too:
https://lwn.net/Articles/882054/
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=988039

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