drm_sm2fixp(9)

drm_sm2fixp 💅

okay so welcome to the drm_sm2fixp(9) page from the Kernel API Manual — this one is literally about converting signed-magnitude to fixed point, and bestie it’s short but iconic. 🫶

🌸 NAME 🌸

drm_sm2fixp — convert signed-magnitude to fixed point.

✨ SYNOPSIS ✨

the whole call looks like this, exactly:

s64 drm_sm2fixp (__u64 a );

🎀 ARGUMENTS 🎀

• a — a 1.31.32 signed-magnitude fixed point. yes ma’am, that’s the one and only argument.

🦋 DESCRIPTION 🦋

Convert a 1.31.32 signed-magnitude fixed point to 32.32 2s-complement fixed point. that’s the whole transformation, no cap.

and then it returns an s64 2s-complement fixed point. slay. 💅

👑 SEE ALSO 👑

• Kernel file ./include/drm/drm_fixed.h — go look at it iykyk. 🌈

mwah 💋 source/version check: this page’s source/version is ./include/drm, dated October 2026, and it’s still the drm_sm2fixp(9) manual — periodt. 🫶