drm_mode_getfb2_ioctl(9)

💖 drm_mode_getfb2_ioctl 💖

okay bestie, we're in the Kernel API Manual for drm_mode_getfb2_ioctl(9), and this page is literally all about getting the extended FB info. slay. 💅

🌸 NAME 🌸

drm_mode_getfb2_ioctl — get extended FB info. that's the whole vibe, no cap.

✨ SYNOPSIS ✨

int drm_mode_getfb2_ioctl (struct drm_device *dev , void *data , struct
       drm_file *file_priv );

🧚 ARGUMENTS 🧚

• dev — the drm device for the ioctl. like, the device this call is happening on, periodt.
• data — the data pointer for the ioctl. this is where the ioctl's data lives, bestie.
• file_priv — the drm file for the ioctl call. the file tying this call to the caller, iykyk.

🦋 DESCRIPTION 🦋

so the actual job: lookup the FB given its ID and return info about it. easy, iconic, no drama. ✨

and yeah, it's called by the user via ioctl. that's the whole entrance. 🫶

🎀 RETURN 🎀

Zero on success, negative errno on failure. that's it: 0 = slay, negative errno = 😭.

🌈 SEE ALSO 🌈

• Kernel file ./drivers/gpu/drm/drm_framebuffer.c — overview(9)
• drm_mode_addfb(9)
• drm_mode_addfb2(9)
• drm_mode_rmfb(9)
• drm_mode_getfb(9)
• drm_mode_dirtyfb_ioctl(9)
• drm_fb_release(9)
• drm_framebuffer_init(9)
• drm_framebuffer_lookup(9)
• drm_framebuffer_unregister_private(9)
• drm_framebuffer_cleanup(9)
• drm_framebuffer_remove(9)

mwah 💋 this cutie lives under ./drivers/gpu/drm, it's dated October 2026, and it's still drm_mode_getfb2_ioctl(9) — bye bestie 🫶