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Increase VRAM on Ryzen APU / Kernel & Hardware / Arch Linux Forums
[https://bbs.archlinux.org/viewtopic.php?id=283308] - - public:mzimmerm
A program that changes VRAM / UMA size in BIOS on AMD APU, even if VRAM / UMA does not show in BIOS
bash - How can I fetch VRAM and GPU cache size in Linux? - Stack Overflow
[https://stackoverflow.com/questions/77708142/how-can-i-fetch-vram-and-gpu-cache-size-in-linux] - - public:mzimmerm
If you have AMD GPU as I do then you can grab PCI ID for the device with lspci command executed with -D flag (shows PCI doamin) and read the following file cat /sys/bus/pci/devices/${pci_slot}/mem_info_vram_total, it contains GPU VRAM size in bytes.