dm_dcn_vert...pt0_high_irq(9)

✨ dm_dcn_vert...pt0_high_irq(9) ✨

okay so welcome to the Kernel API Manual, bestie 💖 this one's a lil page about dm_dcn_vert...pt0_high_irq(9) — yes the title's truncated, that's just how it is, we don't question the manpage gods 🫶

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🌸 NAME 🌸

dm_dcn_vertical_interrupt0_high_irq — literally the handler for OTG Vertical interrupt0 for DCN generation ASICs. that's it, that's the gig 💅

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🦋 SYNOPSIS 🦋

void dm_dcn_vertical_interrupt0_high_irq (void *interrupt_params );

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🎀 ARGUMENTS 🎀

• interrupt_params — the interrupt parameters, no cap. that's the whole description, she's a woman of few words 😭

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🔥 DESCRIPTION 🔥

so what does it actually do? it's used to set the crc window / read out the crc value at the vertical line 0 position. iconic behaviour only 👑

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⭐ SEE ALSO ⭐

the kernel file lives right here, go look:

./drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c

and the whole friend group 🫶:

• overview(9)
• struct amdgpu_dm_irq_handler_data(9)
• dm_irq_work_func(9)
• amdgpu_dm_irq_register_interrupt(9)
• amdgpu_dm_irq_unregister_interrupt(9)
• amdgpu_dm_irq_init(9)
• amdgpu_dm_irq_fini(9)
• amdgpu_dm_irq_handler(9)
• amdgpu_dm_hpd_init(9)
• amdgpu_dm_hpd_fini(9)
• amdgpu_dm_hdmi_hpd_debounce_work(9)
• dmub_hpd_callback(9)
• dmub_hpd_sense_callback(9)
• dm_pflip_high_irq(9)
• dm_crtc_high_irq_handler(9)
• dm_crtc_high_irq(9)
• dm_dmub_outbox1_low_irq(9)

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okay that's the whole page, we ate and left no crumbs 💀✨ this cutie came from ./drivers/gpu/drm/amd/display/... and it's dated October 2026 — see u in the next interrupt, mwah 🍓🧚💜