xe_vram_region_io_start(9)

xe_vram_region_io_start(9) 💅

okay so bestie, this page is straight out of the Kernel API Manual, and it’s giving “tiny helper, very specific job” energy. We’re looking at xe_vram_region_io_start — the function that gets the IO start of a VRAM region. No cap. ✨

✨ NAME ✨

xe_vram_region_io_start — Get the IO start of a VRAM region.

🫶 SYNOPSIS 🫶

resource_size_t xe_vram_region_io_start (const struct xe_vram_region
*vram );

💅 ARGUMENTS 💅

• vram — the VRAM region. That’s the whole argument, bestie. 🫶

🌈 RETURN 🌈

It returns the IO start of the VRAM region, or 0 if it’s not valid. Lowkey important: 0 is the “not valid” signal here. 💀

🎀 SEE ALSO 🎀

the whole friend group, iykyk:

• Kernel file ./drivers/gpu/drm/xe/xe_vram.c
• xe_map_resource_to_region(9)
• xe_vram_probe(9)
• xe_vram_region_io_size(9)
• xe_vram_region_dpa_base(9)
• xe_vram_region_usable_size(9)
• xe_vram_region_actual_physical_size(9)

mwah 💋 — source/version: ./drivers/gpu/drm/xe, date: October 2026, page: xe_vram_region_io_start(9). periodt. 🎀