amdgpu_enable_vblank_kms(9)

💅 amdgpu_enable_vblank_kms(9) — Kernel API Manual 💅

okay bestie, welcome to the Kernel API Manual page for amdgpu_enable_vblank_kms(9). This one is lowkey iconic: tiny function, one very specific job, and honestly? Obsessed. 🎀

🌸 NAME 🌸

amdgpu_enable_vblank_kms — enable vblank interrupt

✨ SYNOPSIS ✨

int amdgpu_enable_vblank_kms (struct drm_crtc *crtc );

🫶 ARGUMENTS 🫶

• crtc — the crtc to enable the vblank interrupt for. Yep, that's the struct drm_crtc * from the synopsis, bestie; literally right there. 💖

🔥 DESCRIPTION 🔥

okay so the whole vibe: enable the interrupt on the requested crtc (all asics). That's the assignment, and it ate. ✨

Return vibe check: 0 on success, -EINVAL on failure. Periodt. 🦋

👑 SEE ALSO 👑

the squad + the kernel file, all linked up:

• Kernel file: ./drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
• amdgpu_driver_unload_kms(9)
• amdgpu_driver_load_kms(9)
• amdgpu_info_ioctl(9)
• amdgpu_proc_options_ioctl(9)
• amdgpu_driver_open_kms(9)
• amdgpu_driver_postclose_kms(9)
• amdgpu_get_vblank_counter_kms(9)
• amdgpu_disable_vblank_kms(9)

xoxo, bestie 💖 — source/version ./drivers/gpu/drm/amd/amdgpu, date October 2026 ✨