dpu_crtc_get_num_lm(9)

💅 dpu_crtc_get_num_lm(9)

okay so this is straight out of the Kernel API Manual, section 9, and it's literally a one-job function: dpu_crtc_get_num_lm — get the mixer number in this CRTC pipeline. that's it, that's the whole vibe. short king behavior fr fr 👑

---

✨ SYNOPSIS ✨

unsigned int dpu_crtc_get_num_lm (const struct drm_crtc_state *state );

that's the whole signature bestie — unsigned int coming back at you, one const struct drm_crtc_state * going in 🫶

---

🎀 ARGUMENTS 🎀

• state — pointer to the drm crtc state object. that's the one thing you hand it, and it's a const pointer so like… it's not gonna touch your stuff, no cap 🌸

---

🦋 SEE ALSO 🦋

if you wanna keep reading (and you should, main character energy), the kernel file lives right here:

./drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c

and it's giving friend group, because all of these are in it together:

• _dpu_crtc_blend_setup(9)
• _dpu_crtc_complete_flip(9)
• dpu_crtc_get_intf_mode(9)
• dpu_crtc_vblank_callback(9)
• dpu_crtc_frame_event_cb(9)
• dpu_crtc_complete_commit(9)
• dpu_crtc_destroy_state(9)
• dpu_crtc_commit_kickoff(9)
• dpu_crtc_duplicate_state(9)
• dpu_crtc_check_mode_changed(9)
• dpu_crtc_vblank(9)
• dpu_crtc_init(9)

literally the whole squad, iykyk 💜

---

ngl there's not a ton here to memorize — one function, one arg, one mixer count. lowkey iconic for how unbothered it is. slay 💅

---

and that's a wrap! brought to you by ./drivers/gpu/drm/msm/disp/dpu1, dated October 2026 — stay gorgeous, drink water, and go read dpu_crtc.c 🍓✨