link_detect_ddc_probe(9)

✨ link_detect_ddc_probe ✨

okay so bestie, welcome to the link_detect_ddc_probe(9) page 💅 this is a kernel API manual situation, and honestly? it's a little icon. lowkey a vibe check for your monitor. let's get into it 🫶

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🌸 NAME 🌸

link_detect_ddc_probe — probe the DDC to see if a display is connected 🖥️✨

🦋 SYNOPSIS 🦋

bool link_detect_ddc_probe (struct dc_link *link );

🎀 ARGUMENTS 🎀

• link — the DC link whose DDC/I2C gets probed for the EDID header 👀 like, this is the exact link we're snooping on.

💖 DESCRIPTION 💖

so the whole ~thing~ here is detecting whether a display is connected to DDC without reading the full EDID. not me being efficient 💅

it reads only the EDID header — that's the first 8 bytes of EDID, no cap — from DDC, and then evaluates whether that matches. that's it. that's the whole personality. 🎀

🔥 RETURN 🔥

• true if the EDID header was read and passes validation ✨
• false otherwise 😭

👑 SEE ALSO 👑

• Kernel file ./drivers/gpu/drm/amd/display/dc/link/link_detection.c 📁
• link_detect_evaluate_edid_header(9)
• link_detect_dac_load_detect(9)
• link_detect_connection_type_analog(9)

go read those too, iykyk 🧚💜

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and that's the page!! 🌈 fr fr this came from the kernel source at ./drivers/gpu/drm/amd/display/..., dated October 2026, and it's literally the link_detect_ddc_probe(9) manifesto. slay, go probe some displays, bestie 💅🍓⭐