dc_fpu_begin(9)

💅 dc_fpu_begin 💅

okay so welcome to the Kernel API Manual page for dc_fpu_begin(9), bestie. she’s giving backstage icon energy, and we’re gonna break her down. 🫶

✨ NAME ✨

dc_fpu_begin — Enables FPU protection. 💖

🌸 SYNOPSIS 🌸

void dc_fpu_begin (const char *function_name , const int line );

🎀 ARGUMENTS 🎀

• function_name — a string containing the function name, for debug purposes (usually __func__). literally just so debugging knows who called. 📝
• line — the line number where DC_FP_START was invoked, for debug purpose (usually __LINE__). yes, it wants the exact spot. 📍

🦋 DESCRIPTION 🦋

so this function is responsible for managing the use of kernel_fpu_begin, but with the advantage of providing an event trace for debugging. it’s giving “FPU protection, but make it traceable.” ✨

⭐ NOTE ⭐

⚠️ bestie, do not call this function directly. always use DC_FP_START. no cap. periodt. 💅

🔥 SEE ALSO 🔥

• Kernel file ./drivers/gpu/drm/amd/display/amdgpu_dm/dc_fpu.c
• DC FPU manipulation overview(9)
• dc_assert_fp_enabled(9)
• dc_is_fp_enabled(9)
• dc_fpu_end(9)

xoxo 💖 source/version: ./drivers/gpu/drm/amd/display/..., date: October 2026, and this was dc_fpu_begin(9) — slay and goodbye. 🫶🌈