Am Sa, 24. Jun 2023, um 17:25, schrieb Khem Raj: > On Sat, Jun 24, 2023 at 7:47 AM Manuel Wagesreither <man...@fastmail.fm> > wrote: >> Am Sa, 24. Jun 2023, um 00:04, schrieb Khem Raj: >> > On Fri, Jun 23, 2023 at 2:39 PM Manuel Wagesreither <man...@fastmail.fm> >> > wrote: >> >> >> >> Hi users of meta-raspberrypi, >> >> >> >> I'd like to ask around if for you people vc4-kms-v3d (opposed to >> >> vc4-fkms-v3d) *really* is the working way to get vc4 support on a >> >> Raspberry Pi 4 Model B. >> >> >> >> Both on master and kirkstone, vc4-kms-v3d is the default. It's defined in >> >> /conf/machine/raspberrypi4-64.conf: >> >> >> >> VC4DTBO ?= "vc4-kms-v3d" >> >> >> >> I was mildly surprised to find this, because on my system (running >> >> Kirkstone) I can get the screen to work only if I specify vc4-fkms-v3d. >> >> >> >> Commit a6fa6b3aec36b92c3750852dd6788af9d2ce08f6 [1] broke my build. The >> >> commit message further suggests that vc4-Fkms-v3d is broken, while >> >> vc4-kms-v3d is not. So I'm wondering:hy is it exactly the other way round >> >> on my machine? >> >> >> >> raspberrypi4: Use full kms (vc4-kms-v3d) DT overlay >> >> >> >> With latest 5.10 kernel fkms version fails to bring up VC4 and we do >> >> not >> >> get dri device initialized ( /dev/dri ) is empty, which means we can >> >> not >> >> launch wayland componsitors. >> >> >> > >> > We have moved away from 5.10 kernel to 5.15 and then 6.1, so its >> > possible that fkms is working fine again. >> > If you test it with both vc4graphics and userland graphics do both work ? >> >> The meta-raspberrypi commit I'm on >> (a6fa6b3aec36b92c3750852dd6788af9d2ce08f6) has recipes for Linux 5.10.110 >> and 5.15.34 and on both of them vc4-fkms-v3d works while vc4-kms-v3d does >> not. >> >> * When using vc4-kms-v3d, the screen goes dark very early in the boot >> process. >> * When using vc4-kms-v3d, kmscube and weston-wayland both work. > > Which release branch are you using for > Your project
I'm two commits behind kirkstone, on meta-raspberrypi.
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