buffer increase

This commit is contained in:
Bryan Ramos 2026-04-19 20:33:11 -04:00
parent 5e659e229e
commit e7b6775506

View file

@ -16,6 +16,11 @@
grub.enable = false;
generic-extlinux-compatible.enable = true;
};
# vc4 needs a larger Contiguous Memory Allocator pool than the 64 MiB
# default. Without this, the GPU can't allocate framebuffers and spams
# "swiotlb buffer is full" — no video output.
kernelParams = [ "cma=256M" ];
};
# Pi 4 GPU acceleration. Per the NixOS wiki, two options are needed: