PTL SYSFS ATTRIBUTES(9)

🎀 PTL sysfs attributes(9) 🎀

okay so bestie, welcome to the Kernel API Manual — this is the page for PTL sysfs attributes(9), and it's lowkey iconic. ✨

These sysfs files under /sys/class/drm/cardX/device/ptl literally let users do the whole PTL thing:

• enable or disable the Peak Tops Limiter (PTL) 💅
• configure preferred PTL data formats 🎀
• query supported formats for each GPU 🦋

that's the vibe. no cap. 💖

🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c — plus usbc_pd_fw(9), psp_vbflash(9), and psp_vbflash_status(9), bestie. go read those too, iykyk 👑

mwah 💋 this lil masterpiece comes from the source/version path ./drivers/gpu/drm/amd/amdgpu, dated October 2026, and it's serving PTL sysfs attributes(9) realness. periodt. 🌸