On Thu, Nov 19, 2020 at 04:10:57PM +0100, Daniel Vetter wrote:
> On Thu, Nov 19, 2020 at 9:33 AM Peilin Ye <yepeilin.cs@xxxxxxxxx> wrote:
> > setfont seems to work fine, I tried Georgian-Fixed16 (256 chars) and
> > Uni2-VGA16 (512 chars) under /usr/share/consolefonts/ in my Ubuntu box,
> > including setting all consoles to the same font:
> >
> > for i in {1..6}; do
> > sudo setfont -C /dev/tty${i} /usr/share/consolefonts/Georgian-Fixed16.psf.gz
> > done
> >
> > Font rotation also seems to work fine:
> >
> > for i in {1..4}; do
> > echo $i | sudo tee /sys/class/graphics/fbcon/rotate
> > sleep 1
> > done
>
> Thanks a lot for checking all this.
Not a problem, watching my console rotating was fun :)
> > One last thing I can think of is tile blitting, but I don't have the
> > hardware (e.g. a Matrox G400 card, see FB_TILEBLITTING in
> > drivers/video/fbdev/Kconfig) at hand, nor did I figure out how to
> > simulate it after searching for a while. However based on the other
> > tests above I believe vc->vc_font.charcount is set properly.
>
> tbh I'll just go ahead and delete it if it's broken :-)
>
> Userspace we have to keep working (and there's actually people
> creating new products on top of drm display drivers using fbdev
> emulation and /dev/fb/0 interface!), but kernel internal stuff like
> fbcon acceleration we can trim pretty aggressively I think.
Ah, I see, I'll leave it be, then.
Thanks,
Peilin Ye
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