While not an absolute requirement for modern graphics card support on Linux, Resizeable BAR support makes GPUs go faster, by allowing GPUs to throw data back and forth on the PCIe bus in chunks larger than 256 MB. In January, I opened an issue in the Raspberry Pi Linux repo, Resizable BAR support on Pi 5. Unlike most PCs with a BIOS or UEFI support, the Raspberry Pi should just support BAR resize by default. However, when testing Intel Xe GPU drivers (for Alchemist/Battlemage GPUs) on Raspberry ...