TonyMac32
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TonyMac32's post in USB3 port on ROCK64 is not functional since Linux 5.15 was marked as the answer
I've pushed the fix to the build system, this new forum organization stuck my answer at the very top so it was removed from the discussion flow.
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TonyMac32's post in Change CMA memory allocation size was marked as the answer
I just did a quick test on Le Potato, increasing CMA to 512 MB was very easy following the above instructions with the /boot/dtb/amlogic/meson-gxl-s905x-libretech-cc.dtb device tree. The property yo uwant to change is right at the top of the file as a handle under "reserved-memory"
Any value that is 0x400000 aligned should be valid, so you can experiment.