Constant DISCRETE_PCI_ID_TO_GFX 

pub const DISCRETE_PCI_ID_TO_GFX: &[(&str, &str)];

Authoritative PCI device ID → gfx arch mapping for AMD discrete GPUs.

Sourced from /usr/share/hwdata/pci.ids. ONLY dGPUs — iGPU IDs handled separately by INTEGRATED_PCI_DEVICE_IDS.