amdgpu_pll_get_use_mask(9)

✨ NAME ✨

Okay so welcome to amdgpu_pll_get_use_mask(9), bestie — this one is from the Kernel API Manual, and it's literally here to look up a mask of which pplls are in use. Iconic little helper, no cap 💅

🛠 SYNOPSIS 🛠

u32 amdgpu_pll_get_use_mask (struct drm_crtc *crtc );

🎀 ARGUMENTS 🎀

• crtc — drm crtc. That's the DRM CRTC you're handing over, bestie 🫶

🌸 DESCRIPTION 🌸

It returns the mask of which PPLLs (Pixel PLLs) are in use. That's the whole vibe — a mask, PPLLs, in use. Slay ✨

👀 SEE ALSO 👀

• Kernel file ./drivers/gpu/drm/amd/amdgpu/amdgpu_pll.c
• amdgpu_pll_reduce_ratio(9)
• amdgpu_pll_get_fb_ref_div(9)
• amdgpu_pll_compute(9)
• amdgpu_pll_get_shared_dp_ppll(9)
• amdgpu_pll_get_shared_nondp_ppll(9)

Source/version vibes: ./drivers/gpu/drm/amd/amdgpu · date: October 2026 · page: amdgpu_pll_get_use_mask(9) from the Kernel API Manual. Bye bestie, go read those PLL functions 💖🦋