Hi Daniel, On Thu, 20 Jan 2022 at 01:30, Daniel Vetter <daniel@xxxxxxxx> wrote: > > I got the feeling that maybe I should just provide an interface to the > > blitter from userspace and userspace should be doing the rotation. I'd > > like to do it in the kernel so stuff like SDL1 apps just work but > > maybe that isn't possible? > > panel orientation property is for that stuff: > fbcon will head this and rotate in sw, This is working. On boot I get Tux rotated correctly etc. > as should any competent compositor > in userspace (but some might not, it depends). That's the problem I guess. I don't have one. SDL1 apps like prboom use the fbdev emulation as-is so they render upside down[0]. I have 16MB of local storage and 128MB of RAM so I don't think I'll manage to get the standard userland bits onto it. I wanted to do the rotation in the kernel so I didn't have to hack up SDL1. Cheers, Daniel 0 - https://twitter.com/linux_chenxing/status/1479801511274491909
