Getting the GPU working required patching the Linux kernel to include the open-source AMDGPU driver. The RX 460 was chosen for its reasonable price and solid support.
Although it was a qualified success, this hacky method comes with software problems, such as improper graphics acceleration in the Chromium browser.
Despite being aged and relatively simple, running Doom 3 or Tux Racer on the Pi 5’s GPU remains challenging, even at 1080p.
To fully leverage Arm processors against Intel and AMD in all market segments, we need better support for external graphics chips, moving beyond integrated solutions.
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