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moby: bump CMA 256MB -> 384MB

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colin 2023-01-23 07:42:51 +00:00
parent d9c101689d
commit 358b673344
1 changed files with 3 additions and 2 deletions
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hosts/by-name/moby/default.nix
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@ -58,9 +58,10 @@
# without this some GUI apps fail: `DRM_IOCTL_MODE_CREATE_DUMB failed: Cannot allocate memory`
# this is because they can't allocate enough video ram.
# the default CMA seems to be 32M. we could probably get by with as little as 64M, and safely with 128M.
# the default CMA seems to be 32M.
# i was running fine with 256MB from 2022/07-ish through 2022/12-ish, but then the phone quit reliably coming back from sleep: maybe a memory leak?
# `cat /proc/meminfo` to see CmaTotal/CmaFree if interested in tuning this.
boot.kernelParams = [ "cma=256M" ];
boot.kernelParams = [ "cma=384M" ];
# mobile-nixos' /lib/firmware includes:
# rtl_bt (bluetooth)