drm_is_current_master(9)

okay so bestie, welcome to drm_is_current_master(9) from the Kernel API Manual 💖✨ this one is short but iconic, fr fr.

🌸 NAME 🌸

drm_is_current_master — checks whether @priv is the current master 👑

💅 SYNOPSIS 💅

bool drm_is_current_master (struct drm_file *fpriv );

🫶 ARGUMENTS 🫶

• fpriv — DRM file private 🎀

🔥 DESCRIPTION 🔥

Okay so this checks whether fpriv is the current master on its device. That’s the whole vibe check that decides whether a client is allowed to run DRM_MASTER IOCTLs 💅

Most of the modern IOCTL that require DRM_MASTER are for kernel modesetting ✨

• the current master is assumed to own the non-shareable display hardware 👑

🌈 SEE ALSO 🌈

• the kernel file ./drivers/gpu/drm/drm_auth.c, plus master and authentication(9) 🦋
• drm_master_get(9) 💜
• drm_file_get_master(9) 🎀
• drm_master_put(9) 🌸

made with 💖 from source/version ./drivers/gpu/drm, dated October 2026 — mwah, slay, periodt 💋👑