drm_crtc_mask(9)

okay bestie, welcome to drm_crtc_mask(9) from the Kernel API Manual 💖 this page is short, sweet, and very “one job, done right” — let’s get into it ✨

🎀 NAME 🎀

drm_crtc_mask — find the mask of a registered CRTC. no cap, that’s the whole name vibe 💅

✨ SYNOPSIS ✨

uint32_t drm_crtc_mask (const struct drm_crtc *crtc );

🦋 ARGUMENTS 🦋

• crtc — the CRTC you want to find the mask for 👀

🌸 DESCRIPTION 🌸

Given a registered CRTC, this returns the mask bit of that CRTC for the drm_encoder.possible_crtcs and drm_plane.possible_crtcs fields. literally that’s it — registered CRTC in, mask bit out, and those two fields are the ones getting the mask bit. periodt. ✨

🔥 SEE ALSO 🔥

Kernel file ./include/drm/drm_crtc.h — start here, bestie 🫶 and then the whole friend group:

• struct drm_crtc_state(9)
• struct drm_crtc_funcs(9)
• struct drm_crtc(9)
• struct drm_mode_set(9)
• drmm_crtc_alloc_with_planes(9)
• drm_crtc_index(9)
• drm_crtc_find(9)
• drm_for_each_crtc(9)
• drm_for_each_crtc_reverse(9)

xoxo, stay registered 💅 source/version: ./include/drm · date: October 2026 🌈